1 Mon May 10 07:28:10 1999 Bruce Korb <autogen@autogen.freeservers.com>
3 * fixinc/inclhack.def(arm_norcroft_hint): check before fixing
4 (no_double_slash): portability
5 (math_exception): added reminder comment
7 Mon May 10 01:28:10 1999 Craig Burley <craig@jcb-sc.com>
9 From Fri May 7 9:31:41 1999 Donn Terry (donn@interix.com):
10 * varasm.c (mark_constant_pool): Add some transitive closure.
12 Sun May 9 22:51:04 1999 Craig Burley <craig@jcb-sc.com>
14 Fix gcc.dg/990506-0.c:
15 * c-typeck.c (require_complete_type): Handle ERROR_MARK input.
17 Sun May 9 13:19:12 1999 Jeffrey A Law (law@cygnus.com)
19 * gcse.c (cprop_insn): Do not try to simplify a simple jump.
21 Sun May 9 11:12:19 1999 Philip Blundell <bp@nexus.co.uk>
23 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Add (PLT) to branch if
24 necessary. Reported by jim@federated.com.
26 Sat May 8 23:05:35 1999 Jeffrey A Law (law@cygnus.com)
28 * pa.h (PRINT_OPERAND_ADDRESS): Output "%r0", not "r0" for the
29 base register in an absolute memory address.
30 * pa.md (conditional moves): Avoid using immediate zero for
33 Sat May 8 06:23:21 1999 Philip Blundell <pb@nexus.co.uk>
35 Based on patch by Scott Bambrough:
36 * config/arm/arm.h (NEED_PLT_GOT): New macro. Set to 0 if not
38 * config/arm/elf.h (NEED_PLT_GOT): Define to flag_pic.
39 * config/arm/arm.md (call_symbol, call_value_symbol et al.): If
40 NEED_PLT_GOT is true, add explicit "(PLT)" to generated branches.
41 * config/arm/arm.c (output_func_epilogue,
42 output_return_instruction): Likewise for calls to abort.
44 Sat May 8 01:57:58 1999 Donn Terry (donn@interix.com)
46 * calls.c (rtx_for_function_call): Extend function pointer being
47 passed to chkr_check_exec_libfunc, if needed.
49 Sat May 8 01:51:50 1999 David Edelsohn <edelsohn@gnu.org>
51 * ginclude/stdarg.h (__va_rounded_size): Use long type for
53 * ginclude/varargs.h: Likewise.
55 Sat May 8 01:47:20 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
57 * invoke.texi: Remove duplicates in the description of -d
58 letters. Fix use of @item vs. @itemx.
60 Sat May 8 01:43:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
62 * rs6000.h (RS6000_VARARGS_OFFSET): Die die die.
63 (CUMULATIVE_ARGS): Remove varargs_offset; update commentary.
64 * rs6000.c (setup_incoming_varargs): Fix typo last change.
65 (init_cumulative_args): Remove varargs_offset references.
67 * rs6000/linux.h (NO_IMPLICIT_EXTERN_C): Define.
68 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Undefine.
70 Sat May 8 01:34:19 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
72 * reload1.c (gen_mode_int): New function.
73 (reload_cse_move2add): Use it to generate the new constants.
75 Sat May 8 01:25:09 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
77 * varasm.c (output_constant): Do nothing if -fsyntax-only.
79 Fri May 7 19:10:15 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
81 * sparc.h (GO_IF_LEGITIMATE_ADDRESS): Prohibit REG+REG addressing
82 for TFmode when there are no instructions which accept REG+REG
85 Fri May 7 12:38:54 1999 Jim Wilson <wilson@cygnus.com>
87 * mips/elf64.h (MAKE_DECL_ONE_ONLY, UNIQUE_SECTION_P): Define.
88 * mips/mips.c (mips_select_rtx_section): When TARGET_MIPS16, use
89 function_section instead of text_section.
90 * mips/mips.h (ENCODE_SECTION_INFO): Add check for UNIQUE_SECTION_P
91 in TARGET_MIPS16 STRING_CST handling.
93 Fri May 7 09:54:11 1999 Nick Clifton <nickc@cygnus.com>
95 Patch from: Nick Burrett <nick.burrett@btinternet.com>
97 * arm.c (arm_poke_function_name): New function to implement
99 * aof.h (ASM_DECLARE_FUNCTION_NAME): Call it.
100 * aout.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
101 * elf.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
102 * arm.h: Prototype it.
103 (TARGET_SWITCHES): Add `no-poke-function-name'.
105 Fri May 7 14:19:31 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
107 * fixinc/server.c (load_data): Cast text_size to long, adapt
109 * fixinc/server.c (read_pipe_timeout): Declare volatile, modified
111 (sig_handler): Add debug code.
112 * fixinc/server.c (run_shell): Don't \-escape cd, it breaks the
114 * fixinc/server.c (def_args): Use static instead of STATIC to
115 avoid redefinition error from linker iff DEBUG.
117 * fixinc/hackshell.tpl: Don't strip trailing directory from
118 DESTDIR - that is already done
120 * fixinc/fixincl.c (run_compiles): fix memory leak
122 Thu May 6 20:34:00 1999 Mark Mitchell <mark@codesourcery.com>
124 * resource.c (mark_referenced_resources): Make volatil
125 monotonically increasing.
126 (mark_set_resources): Likewise.
128 Thu May 6 20:02:33 1999 Fred Fish <fnf@be.com>
130 * rs6000/xm-beos.h (HAVE_VPRINTF): Don't redefine if already defined.
131 (HAVE_PUTENV, HAVE_ATEXIT, HAVE_RENAME): Likewise.
133 Wed May 5 20:28:32 1999 Jason Merrill <jason@yorick.cygnus.com>
135 * install.texi (Header Dirs): s/GPLUS/GPLUSPLUS/.
137 Wed May 5 23:44:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
139 * unroll.c (copy_loop_body): Don't copy VTOP notes from copy_notes_from.
141 Wed May 5 16:26:13 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
143 * function.c (purge_addressof_replacements): Rename into
144 purge_bitfield_addressof_replacements.
145 (purge_addressof_replacements): New variable.
146 (purge_addressof_1): Add code for changing addressof in notes for
147 field values which are extracted by usage MEM with narrower mode.
148 (purge_addressof): Initialize purge_bitfield_addressof_replacements.
150 Wed May 5 07:40:02 1999 Nick Clifton <nickc@cygnus.com>
152 Patch from: Nick Burrett <nick.burrett@btinternet.com>
153 * config/arm/arm.h (ARM_MCOUNT_NAME): Define.
154 (FUNCTION_PROFILER): Remove assembler dialect dependency and use
156 (TRAMPOLINE_TEMPLATE): Remove assembler dialect dependency.
158 * config/arm/aof.h (ARM_MCOUNT_NAME): Define.
160 1999-05-05 09:58 -0400 Zack Weinberg <zack@rabi.columbia.edu>
162 * gcc.c (default_compilers): Fix brace nesting bug.
163 * objc/lang-specs.h: Use %i, not %g.mi, for the input file
164 when processing an .mi file.
166 Tue May 4 13:17:55 1999 Mark Mitchell <mark@codesourcery.com>
168 * resource.c (mark_set_resources): Handle UNSPEC_VOLATILE,
169 ASM_INPUT, TRAP_IF, and ASM_OPERANDS just like in
170 mark_referenced_resources.
172 Mon May 3 22:38:41 1999 David Edelsohn <edelsohn@gnu.org>
174 * rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Change non-PowerPC
175 and AIX64 combination to warning. Add warning for disabling
176 PowerPC64 support when using 64-bit mode.
177 (LIB_SPEC): Do not link with libg.a in 64-bit mode.
178 (LINK_SPEC): Do not export libg.exp symbols in 64-bit mode.
179 * rs6000/rs6000.h (MY_ISCOFF): Treat import/export files as valid
181 (read_only_data_section, private_data_section,
182 read_only_private_data_section): Always align CSECTs to doubleword
183 boundary regardless of mode.
184 (TEXT_SECTION_ASM_OP): Align text CSECT on doubleword boundary in
186 (DATA_SECTION_ASM_OP): Always align CSECT to doubleword boundary.
187 (ASM_OUTPUT_LOCAL): Use rounded size in 64-bit mode to
188 maintain doublword alignment.
190 Mon May 3 14:45:23 1999 Jeffrey A Law (law@cygnus.com)
192 * mn10200.md (btst insns): btst does not leave cc0 in a useable
193 state for redundant tst eliminatino.
194 * mn10300.md (btst insns): Likewise.
196 Mon May 3 16:14:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
198 * mips.h (Pmode): Revert Oct 14th change which added a cast.
200 Sun May 2 14:02:21 1999 Mark Mitchell <mark@codesourcery.com>
202 * tree.h (struct tree_decl): Add comdat_flag.
203 (DECL_COMDAT): Define it.
204 * toplev.c (wrapup_global_declarations): Don't output a
205 DECL_COMDAT function just because it's public.
207 Sun May 2 15:16:42 1999 Joseph S. Myers <jsm28@cam.ac.uk>
209 * pdp11.h (TARGET_SWITCHES): Fix error in previous change.
210 (ASSEMBLER_DIALECT): Define.
211 (CONDITIONAL_REGISTER_USAGE): Rename floating point registers if
212 required for the UNIX assembler.
213 (ASM_OUTPUT_INT): Remove. The compiler will synthesise it.
214 (ASM_OUTPUT_ADDR_VEC_PROLOGUE): Remove.
215 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Change to "[" and "]".
216 (TRAMPOLINE_TEMPLATE): Use ASM_OUTPUT_SHORT.
217 * pdp11.c (output_addr_const_pdp11): Copy of output_addr_const
218 adapted to output constants in octal.
219 * pdp11.c, pdp11.h, pdp11.md: Use output_addr_const_pdp11 instead
220 of output_addr_const. Output constants in octal. Use assembler
221 dialect alternatives where DEC and UNIX assemblers use different
224 Sun May 2 01:15:06 PDT 1999 Jeff Law (law@cygnus.com)
226 * version.c: Bump for snapshot.
228 Fri Apr 30 13:55:43 1999 Richard Henderson <rth@cygnus.com>
230 * va-ppc.h (__va_start_common): Let __builtin_saveregs do the work.
231 * rs6000.c (expand_builtin_saveregs): For V4, initialize a private
232 va_list struct, and return a pointer to it.
233 (setup_incoming_varargs): V4 save area based off virtual_stack_vars
234 instead of frame_pointer.
236 Thu Apr 29 23:02:22 1999 Mark Mitchell <mark@codesourcery.com>
238 * emit-rtl.c (start_sequence): Expand comments.
239 (start_sequence_for_rtl_expr): Likewise.
240 (push_to_sequence): Likewise.
241 (end_sequence): Likewise.
242 * expr.c (inhibit_defer_pop): Likewise.
243 * expr.h (inhibit_defer_pop): Likewise.
244 (NO_DEFER_POP): Likewise.
245 (OK_DEFER_POP): Likewise.
247 Thu Apr 29 22:13:46 1999 Robert Lipe <robertlipe@usa.net>
249 * configure.in (i?86-UnixWare7*-sysv): Set thread_file to 'posix'
250 --enable-threads[={yes,pthreads,posix}] is passed as a command
251 line parameter to configure.
252 * config/i386/sysv5.h (LIB_SPEC): Add support for '-pthread'.
253 (CPP_SPEC): Likewise.
255 Thu Apr 29 17:23:59 1999 Richard Henderson <rth@cygnus.com>
257 * emit-rtl.c (operand_subword): Religiously mask and sign-extend
258 from 32-bits to HOST_WIDE_INT.
260 Thu Apr 29 15:58:52 1999 Robert Lipe <robertlipe@usa.net>
262 * fixinc/regex.c, fixinc/regex.h: Removed. Replace with...
263 * fixinc/gnu-regex.c, fixinc/gnu-regex.h: Imported from GDB 4.18.
264 * fixinc/Makefile.in (OBJ, HDR): Handle name changes from above.
265 (gnu-regex.o): Define REGEX_MALLOC to avoid memory leak.
266 * fixinc/fixincl.c: new regex.h header name
267 * Makefile.in: new regex.[ch] file names
269 Thu Apr 29 12:53:33 1999 Richard Henderson <rth@cygnus.com>
271 * calls.c (emit_call_1): Pass rounded_stack_size to emit_call
272 instead of the unrounded size.
274 1999-04-28 14:40 Bruce Korb <ddsinc09@ix.netcom.com>
276 * fixinc/mkfixinc.sh: Makesure the result shell script is writable
278 Wed Apr 28 10:36:39 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
280 * config/m68k/m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit
281 constant with an address register.
283 Wed Apr 28 00:14:41 PDT 1999 Jeff Law (law@cygnus.com)
285 * version.c: Bump for snapshot.
287 Tue Apr 27 19:50:25 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
289 * rtl.h (REG_EH_REGION): Update comment to indicate a value of -1
290 indicates no throw and no nonlocal gotos.
291 * optabs.c (emit_libcall_block): Emit REG_EH_REGION with a value
292 of -1 instead of 0 to indicate a nonlocal goto won't happen either.
293 * flow.c (count_basic_blocks, find_basic_blocks_1): Ignore libcall
294 blocks, look for REG_EH_REGION note exclusively.
295 (make_edges): Check for REG_EH_REGION > 0 for specified handlers.
297 Tue Apr 27 15:33:42 1999 David Edelsohn <edelsohn@gnu.org>
299 * rs6000.h (read_only_data_section, private_data_section,
300 read_only_private_data_section, toc_section): Align CSECT on
301 doubleword boundary for 64-bit target.
302 (DATA_SECTION_ASM_OP): Likewise.
303 * rs6000.c (rs6000_stack_info): Leaf procedure stack limit is 288.
305 Tue Apr 27 20:19:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
307 * sh.md (insv): Use copy_addr_to_reg.
309 * final.c (insn_lengths_max_uid): New variable.
310 (init_insn_lengths, shorten_branches): Set it.
311 (get_attr_lengths): Test insn uid against insn_lengths_max_uid.
313 1999-04-27 08:32 -0400 Zack Weinberg <zack@rabi.columbia.edu>
315 * expr.c (emit_move_insn_1): Abort if MODE argument is invalid.
316 (compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.
318 Tue Apr 27 01:33:43 1999 Jeffrey A Law (law@cygnus.com)
320 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Renmaed from FLAGS_TO_PASS.
322 (FLAGS_TO_PASS): New variable.
324 Tue Apr 27 00:36:44 1999 Nick Burrett <nick.burrett@btinternet.com>
326 * arm.md (nop): Output instruction using output_asm_insn to fix
327 assembler dialect problems.
329 Mon Apr 26 23:55:50 1999 Robert Lipe <robertlipe@usa.net>
331 * Makefile.in (fixinc.sh): Fix dependencies.
333 * fixinc/inclhack.def (avoid_bool): Enable match if typedefs are
335 (sco5_stat_wrappers): New fix. Make sys/stat.h C++ safe.
336 * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
338 Mon Apr 26 23:28:54 1999 Mumit Khan <khan@xraylith.wisc.edu>
339 Donn Terry <donn@interix.com>
341 * function.c (put_var_into_stack): Change ptr_mode to Pmode
342 in setup for chkr_set_right_libfunc calls.
343 (assign_params): Likewise.
344 * expr.c (emit_push_insn): Change ptr_mode to Pmode in
345 setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
346 (expand_assignment): Change ptr_mode to Pmode in
347 setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
348 (store_expr): Change ptr_mode to Pmode in
349 setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
350 (expand_expr): Change ptr_mode to Pmode in
351 setup for chkr_check_addr_libfunc.
352 (expand_builtin): Change ptr_mode to Pmode in
353 setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
354 chkr_check_addr_libfunc.
355 * calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
356 setup for chkr_check_exec_libfunc.
357 (expand_call): Change ptr_mode to Pmode in
358 setup for chkr_set_right_libfunc.
359 (expand_call): Change ptr_mode to Pmode in
360 setup for chkr_set_right_libfunc.
361 (store_one_arg): Change ptr_mode to Pmode in
362 setup for chkr_set_right_libfunc.
364 * c-parse.in (absdcl1): Allow attributes in explicit typespecs.
366 * c-parse.y: Regenerate.
367 * c-parse.c: Likewise.
368 * objc/objc-parse.c: Likewise.
369 * objc/objc-parse.y: Likewise.
371 Mon Apr 26 21:17:41 1999 Jason Merrill <jason@yorick.cygnus.com>
373 * c-pragma.c (push_alignment): Don't ignore alignments greater than
375 (handle_pragma_token): Likewise.
377 * c-pragma.c: Support for #pragma pack (push, <id>, <n>).
378 (struct align_stack): Add id field.
379 (push_alignment, pop_alignment): Take id parameter.
380 (handle_pragma_token): Add necessary states.
381 * c-pragma.h (enum pragma_state): Add necessary states.
383 Tue Apr 27 13:58:23 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
385 * config/c4x/c4x.md (*cmpqf, *cmpqf_noov, *cmpqi_test,
386 *cmpqi_test_noov): Remove ? modifier from constraints list.
387 (*smulqi3_highpart_clobber, *umulqi3_highpart_clobber): Swap
388 output strings to match new constraint ordering.
390 1999-04-26 19:16 -0400 Zack Weinberg <zack@rabi.columbia.edu>
392 * cpphash.c (dump_definition): New function.
393 * cpphash.h: Prototype it.
395 * cpplib.c (handle_directive): Don't output anything here.
397 (pass_thru_directive): Take a length, not a pointer to the
398 end. All callers changed.
399 (do_define): Handle -dD, -dN, -g3 entirely here. Streamline.
400 (do_include): Handle -dI here.
401 (do_ident): Correct to match cccp.
402 (do_pragma): Copy the pragma through here.
403 (do_assert, do_unassert): Tidy.
405 * cppinit.c (cpp_finish): If -dM was specified, walk the macro
406 hash table and call dump_definition on all the entries.
407 * cppmain.c: cpp_finish may produce output.
409 Mon Apr 26 15:27:33 1999 Mark Mitchell <mark@codesourcery.com>
411 * toplev.c (compile_file): Move call to check_global_declarations
412 after output_exception_table to restore behavior as it was before
415 1999-04-26 10:50 -0700 Bruce Korb <ddsinc09@ix.netcom.com>
417 * fixinc/fixincl.c: Improve the handling of child process exits
418 * fixinc/server.[ch]: Export the interface for shutting down
420 * fixinc/inclhack.tpl: Remove unnecessary character quote
421 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate
423 Mon Apr 26 10:41:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
425 * alpha.md (builtin_setjmp_receiver): Use a label_ref instead of
428 1999-04-26 09:47 -0400 Zack Weinberg <zack@rabi.columbia.edu>
430 * rtl.texi: Document the rtl classes and their relation to
433 Mon Apr 26 01:02:38 1999 Richard Henderson <rth@cygnus.com>
435 * alpha.md (fix_trunc patterns): Use reg_no_subreg_operand on op0
436 for less work in reload.
437 (movsf and movdf patterns): Put fp reg alternatives first.
439 Mon Apr 26 01:55:56 1999 Marc Espie <espie@cvs.openbsd.org>
441 * configure.in (openbsd): Factorize xmake_file.
442 (ix86 openbsd): Trim obsolete comment.
443 (vax openbsd): Fix typo.
444 * configure: Rebuilt.
446 Mon Apr 26 01:30:59 1999 Donn Terry <donn@interix.com>
448 * expr.c (expand_assignment): Improve test for pointer type.
450 Mon Apr 26 00:26:18 1999 Richard Henderson <rth@cygnus.com>
452 * alpha.c (print_operand_address): Account for the subreg word.
454 Mon Apr 26 01:08:36 1999 Toshiyasu Morita (tm@netcom.com)
456 * fold-const.c (make_range): Always initialize arg0 and arg1.
457 (fold): Simlarly for alt0 and alt1.
458 * function.c (fixup_var_refs_insns): Initialize insn_list.
459 (instantiate_virtual_regs_1): Initialize offset.
460 * optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
462 * stmt.c (expand_end_case): Initialize minval and maxval.
464 Mon Apr 26 01:02:34 1999 Nathan Sidwell <nathan@acm.org>
466 * toplev.c (report_error_function): Reorder file stack and
467 function name printing. Ignore FILE parameter.
469 Mon Apr 26 00:58:54 1999 Jerry Quinn <jquinn@nortelnetworks.com>
471 * pa.h (architecture_type): New enum.
472 (pa_arch_string, pa_arch): Declare.
473 (MASK_PA_10, MASK_PA_20): New flags.
474 (TARGET_SWITCHES): Add pa-risc-2-0. Update docs for PA1.0 codegen.
475 (TARGET_OPTIONS): Add -march= option.
476 * pa.c (pa_arch, pa_arch_string): Define.
477 (override_options): Set them.
478 * pa/pa-hpux10.h (ASM_FILE_START): Output LEVEL 2.0 asm directive for
480 * invoke.texi (Option Summary, HPPA Options): Document new
483 * pa/pa-hpux.h, pa/pa-hpux10.h, pa/pa-hpux9.h, pa/pa-osf.h, pa.h,
484 pa.c, pa.md, configure.in, configure: Replace TARGET_SNAKE by
485 TARGET_PA_11 and MASK_SNAKE by MASK_PA_11.
487 Mon Apr 26 00:28:25 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
489 * flags.h (inline_max_insns): Declare.
490 * integrate.c (inline_max_insns): New variable.
491 (function_cannot_inline_p): Use it.
492 * toplev.c (main): Add the flag -finline-limit-n.
493 (display_help): Document -finline-limit-n.
494 * invoke.texi: Document -finline-limit-n
496 Sun Apr 25 23:03:32 1999 Richard Henderson <rth@cygnus.com>
498 * stmt.c (expand_asm_operands): Reload in-out reg-only memory operands.
500 Sun Apr 25 13:06:13 1999 Richard Henderson <rth@cygnus.com>
502 * function.c (assign_parms/STACK_BYTES): Revert last change,
505 Sun Apr 25 12:30:50 1999 Richard Henderson <rth@cygnus.com>
507 * calls.c (emit_call_1): New arg rounded_stack_size; update callers.
508 Update pending_stack_adjust based on this value.
509 (compute_argument_block_size): Include pending_stack_adjust in
510 PREFERRED_STACK_BOUNDARY alignment.
511 * function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.
513 Sun Apr 25 14:38:10 EDT 1999 John Wehle (john@feith.com)
515 * stupid.c (stupid_mark_refs): Generate a REG_UNUSED note
516 for a register which is clobbered even if the register
517 was used by an earlier instruction.
519 * i386.md (fix_truncsfdi2, fix_truncdfdi2,
520 fix_truncxfdi2): Don't bother with the gen_reg_RTX.
521 (fix_truncsfsi2, fix_truncsfdi2, fix_truncdfsi2,
522 fix_truncdfdi2, fix_truncxfsi2, fix_truncxfdi2): Update
523 operand constraints and modes.
524 * i386.c (output_fix_trunc): Use HImode register to avoid
525 memory stalls. Call output_move_double instead of output_to_reg.
526 (output_to_reg): Remove.
529 * i386.md (negsf2, negdf2, negxf2): Set the type
532 Sat Apr 24 23:15:57 1999 Donn Terry (donn@interix.com)
534 * alpha.md (call_value_nt): Correct subscripts.
536 Sat Apr 24 20:49:20 1999 Richard Henderson <rth@cygnus.com>
538 * alpha.h (PRINT_OPERAND_ADDRESS): Break out to ...
539 * alpha.c (print_operand_address): here. Handle subregs.
541 Fri Apr 23 22:35:41 EDT 1999 John Wehle (john@feith.com)
543 * acconfig.h (HAVE_GAS_FILDS_FISTS): Add.
544 * configure.in: Check assembler instructions.
545 * configure: Rebuild.
546 * config.in: Likewise.
547 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
548 * i386.c (print_operand): Use the proper suffix for a 387 HImode
549 operand. Abort if a 387 operand has an unsupported size.
551 Fri Apr 23 16:57:40 1999 Richard Henderson <rth@cygnus.com>
553 * alpha.c (alpha_write_verstamp): Mark `file' unused.
554 * alpha.h (FUNCTION_VALUE): Use gen_rtx_REG not gen_rtx.
555 (LIBCALL_VALUE): Likewise.
556 (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Handle normal subregs.
558 Fri Apr 23 14:57:33 1999 Donn Terry <donn@interix.com>
560 * alpha32.h (INITIALIZE_TRAMPOLINE): Get offsets right.
562 * alpha.c (alpha_initialize_trampoline): Add covert_memory_address
565 Fri Apr 23 14:36:47 1999 Richard Henderson <rth@cygnus.com>
567 * alpha.c (alpha_expand_prologue): Don't negate frame size
570 Fri Apr 23 09:43:18 1999 Nick Clifton <nickc@cygnus.com>
572 * print-rtl.c (print_rtx): Display LABEL_NUSES for labels.
574 Thu Apr 22 23:08:37 1999 Mark Mitchell <mark@codesourcery.com>
576 * toplev.h (wrapup_global_declarations): Declare.
577 (check_global_declarations): Likewise.
578 * toplev.c (wrapup_global_declarations): New function, split out
580 (check_global_declarations): Likewise...
581 (compile_file): Here.
583 Thu Apr 22 22:34:41 1999 Richard Henderson <rth@cygnus.com>
585 * c-parse.in (expr_no_commas): Verify we've an expr before
586 calling C_SET_EXP_ORIGINAL_CODE.
588 Thu Apr 22 22:22:15 EDT 1999 John Wehle (john@feith.com)
590 * toplev.c (rest_of_compilation): Always set
591 current_function_uses_only_leaf_regs appropriately.
593 Thu Apr 22 14:39:43 1999 Mumit Khan <khan@xraylith.wisc.edu>
595 * i386/xm-cygwin.h (HAVE_BCOPY): Delete unneeded macro.
596 (HAVE_BZERO): Likewise.
597 (HAVE_BCMP): Likewise.
598 (HAVE_RINDEX): Likewise.
599 (HAVE_INDEX): Likewise.
600 (DIR_SEPARATOR_2): Define.
601 (GET_ENV_PATH_LIST): Turn path lists into POSIX.
602 (PATH_SEPARATOR): Use ':'.
604 1999-04-22 Bruce Korb <ddsinc09@ix.netcom.com>
606 * configure.in: enable disabling of fast fixincludes
607 * configure: regenerate
609 1999-04-21 14:55 -0400 Zack Weinberg <zack@rabi.columbia.edu>
611 * gen-protos.c: #undef abort after including system.h.
612 Delete defns of fancy_abort and fatal.
613 * fix-header.c: Delete defn of fancy_abort.
615 Wed Apr 21 12:09:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
617 * cccp.c (simplify_filename): Always preserve leading double slash.
619 Wed Apr 21 18:15:55 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
621 * config/c4x/c4x.md: Add new peepholes to remove redundant loads.
623 Wed Apr 21 17:41:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
625 * config/c4x/c4x.md (binary patterns): Reorder alternatives
626 so that two operand instructions are chosen before three operand
629 Tue Apr 20 23:38:58 1999 Nathan Sidwell <nathan@acm.org>
631 * objc/Make-lang.in (objc-parse.c): Put BISON parameters in correct
634 * Makefile.in (c-parse.c): Put BISON parameters in correct
637 Tue Apr 20 16:38:11 1999 Richard Henderson <rth@cygnus.com>
639 * alpha.md (nt_lda): New pattern.
640 * alpha.c (alpha_expand_prologue): Use it for large frames
643 Tue Apr 20 17:57:14 1999 Catherine Moore <clm@cygnus.com>
645 * config/arm/arm.md (movhi): Add check for odd offset.
647 Tue Apr 20 13:14:58 EDT 1999 John Wehle (john@feith.com)
649 * i386.c (output_move_double): Abort if a non-offsettable
650 memory operand is encountered. Delete unused code.
651 (find_addr_reg): Remove.
653 Mon Apr 19 21:13:02 1999 Craig Burley <craig@jcb-sc.com>
655 * tree.def (BLOCK): Fix typo in comment.
657 1999-04-19 14:51 -0400 Zack Weinberg <zack@rabi.columbia.edu>
659 * cpplib.c (output_line_command): Drop CONDITIONAL argument.
660 We can omit unnecessary line commands if file_change ==
661 same_file and pfile->lineno != 0. All callers changed.
662 (cpp_get_token [case '\n']): Don't bump pfile->lineno if
663 CPP_OPTIONS (pfile)->no_line_commands is set.
664 * cpplib.h: Fix prototype of output_line_command.
666 1999-04-18 17:46 -0400 Zack Weinberg <zack@rabi.columbia.edu>
668 * cppfiles.c (find_position, read_and_prescan): Use `unsigned
669 long' variables consistently to count line and column numbers.
671 Sun Apr 18 15:50:33 EDT 1999 John Wehle (john@feith.com)
673 * output.h (current_function_is_leaf,
674 current_function_uses_only_leaf_regs): Declare.
675 * function.c (current_function_is_leaf,
676 current_function_uses_only_leaf_regs): Define.
677 (init_function_start): Initialize current_function_is_leaf
678 and current_function_uses_only_leaf_regs.
679 * final.c (leaf_function): Don't define.
680 (final_start_function): Replace uses of leaf_function with
681 current_function_uses_only_leaf_regs.
682 * toplev.c (rest_of_compilation): Set current_function_is_leaf
683 prior to invoking local register allocation.
684 (rest_of_compilation): Replace uses of leaf_function with
685 current_function_uses_only_leaf_regs.
686 * dbxout.c (dbxout_symbol, dbxout_parms): Likewise.
687 * dwarf2out.c (add_location_or_const_vaule_attribute): Likewise.
688 * dwarfout.c (add_location_or_const_value_attribute): Likewise.
689 * sdbout.c (sdbout_symbol): Likewise.
690 * sparc.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
691 * sparc.c (eligible_for_epilogue_delay, output_return,
692 sparc_return_peephole_ok): Likewise.
693 * sparc.md (leaf_function attribute, untyped_return): Likewise.
694 * i386.c (ix86_compute_frame_size): Don't align the stack
695 for leaf functions which don't allocate any stack slots.
696 * tm.texi: Update documentation.
698 Sun Apr 18 02:15:09 PDT 1999 Jeff Law (law@cygnus.com)
700 * version.c: Bump for snapshot.
702 Sun Apr 18 00:08:45 1999 Richard Henderson <rth@cygnus.com>
704 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Correct last change --
705 make sure FP_BASE_P registers are only used with an integer.
707 Sat Apr 17 22:54:17 1999 Richard Henderson <rth@cygnus.com>
709 * alpha.h (REG_OK_FP_BASE_P): New macro.
710 (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Use it.
711 * alpha.md (adddi3+1): New insn to handle large constants off
712 the soft frame pointer.
713 (adddi3+2): Don't split soft frame pointer or arg pointer additions.
715 Sun Apr 18 17:24:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
717 * config/c4x/c4x.c (legitimize_operands): Use rtx_cost
718 to determine if it is worthwhile forcing a constant into a register.
719 * config/c4x/c4x.h (CONST_COSTS): An integer value of 255 or 65535
720 used with a logical and or an integer value of 16 or 24 used with
721 a right shift has zero cost on the C40.
723 Sat Apr 17 21:30:11 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
725 * gcse.c (compute_local_properties): If setp is nonzero, clear
726 TRANSP instead of setting it to all ones.
728 Sat Apr 17 21:10:10 1999 Jan Hubicka <hubicka@freesoft.cz>
730 * i386.c (i386_preferred_stack_boundary_string): New global variable.
731 (i386_preferred_stack_boundary): New global variable.
732 (override_functions): Set it. Tidy option setting code.
733 * i386.h (TARGET_OPTIONS): New command line option.
734 (i386_preferred_stack_boundary_string): Declare it.
735 (i386_preferred_stack_boundary): Likewise.
736 (PREFERRED_STACK_BOUNDARY): Use i386_preferred_stack_boundary.
738 Sat Apr 17 19:22:38 1999 Jan Hubicka <hubicka@freesoft.cz>
740 * i386.c (k6_cost): Take into account the decoding time.
742 Sat Apr 17 19:13:22 1999 Donn Terry <donn@interix.com>
744 * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
745 * i386.c (print_operand): New %_ operator.
746 (load_pic_register): Proper number of leading _ in GOT literal.
747 * i386.md (prologue_get_pc_and_set_got): Likewise.
748 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.
750 Sat Apr 17 19:13:07 1999 Richard Henderson <rth@cygnus.com>
752 * alpha.c (alpha_expand_prologue): Use gen_adddi3 instead of
753 emit_move_insn+plus_constant. For NT, don't use the stack probe
754 loop pointer to allocate stack space.
755 * alpha.md (adddi3): Always use lda to set the stack pointer.
757 1999-04-17 20:11 -0400 Zack Weinberg <zack@rabi.columbia.edu>
759 * c-aux-info.c, emit-rtl.c, explow.c, expmed.c, gcse.c,
760 haifa-sched.c, optabs.c, reorg.c, resource.c, sched.c: Include
761 toplev.h for real declaration of trim_filename.
762 * Makefile.in: Update dependencies.
764 Sat Apr 17 14:36:19 1999 Craig Burley <craig@jcb-sc.com>
766 * tree.c (chainon): Check for circularity only if
767 ENABLE_CHECKING is defined.
769 1999-04-17 10:15 -0400 Zack Weinberg <zack@rabi.columbia.edu>
771 * cccp.c: Make fatal non-static.
773 Sat Apr 17 23:47:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
775 * config/c4x/c4x.md (*andqi3_255_clobber,*andqi3_65535_clobber):
776 New logical and patterns using C40 bit-field insert instructions.
777 (*lshrqi3_24_clobber,*ashrqi3_24_clobber,*lshrqi3_16_clobber,
778 *ashrqi3_16_clobber): New shift patterns using C40 bit-field insert
781 1999-04-16 22:44 -0400 Zack Weinberg <zack@rabi.columbia.edu>
783 * system.h: Always prototype abort. Prototype fatal. Define
784 abort to call fatal, not fprintf/exit. Define a stub macro
786 * toplev.c: Define DIR_SEPARATOR. (trim_filename): New
788 * toplev.h: Prototype trim_filename, and #undef system.h's stub.
790 * gcc.c, genattr.c, genattrtab.c, gencodes.c, genconfig.c,
791 genemit.c, genextract.c, genflags.c, genopinit.c, genoutput.c,
792 genpeep.c, genrecog.c: Make fatal non-static.
793 * gcov.c, gengenrtl.c, protoize.c: #undef abort after
796 * config/i386/dgux.h, config/m68k/xm-amix.h: Remove stale code
799 Sat Apr 17 11:25:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
801 * config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber):
802 New patterns to support parallel multiply and load of zero.
804 Fri Apr 16 01:23:47 1999 Jason Merrill <jason@yorick.cygnus.com>
806 * tree.c (valid_machine_attribute): If we're modifying the
807 FUNCTION_TYPE within a POINTER_TYPE and we don't get a decl,
808 update the POINTER_TYPE.
810 Fri Apr 16 00:19:31 1999 Jan Hubicka <hubicka@freesoft.cz>
812 * i386.c (x86_adjust_cost): Move break statement to correct place.
814 Thu Apr 15 23:17:33 1999 Jerry Quinn <jquinn@nortelnetworks.com>
816 * pa.h (HAVE_PRE_INCREMENT, HAVE_POST_INCREMENT,
817 HAVE_PRE_DECREMENT, HAVE_POST_DECREMENT): Fix pa_cpu value from
818 8000 to PROCESSOR_8000.
820 Thu Apr 15 20:46:57 1999 Donn Terry (donn@interix.com)
822 * expr.c (expand_assignment): Force pointers to proper mode if
823 POINTERS_EXTEND_UNSIGNED is defined.
825 * xm-alpha.h (alloca.h): Add Interix to list of special machines
826 that don't like alloca.h, pending using autoconf results.
828 * except.c (start_catch_hadler): Be sure rtime_address is Pmode
829 if POINTERS_EXTEND_UNSIGNED.
831 * except.c (expand_eh_return): Force pointers to proper mode if
832 POINTERS_EXTEND_UNSIGNED.
834 Thu Apr 15 23:13:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
836 * config/c4x/c4x.h: Tweaked comment formatting.
837 * config/c4x/c4x.c: Likewise.
839 Thu Apr 15 02:45:19 1999 Mumit Khan <khan@xraylith.wisc.edu>
841 * aclocal.m4 (GCC_FUNC_MKDIR_TAKES_ONE_ARG): Define.
843 * configure: Rebuilt.
844 * acconfig.h (MKDIR_TAKES_ONE_ARG): Add.
845 * config.in: Rebuilt.
848 Thu Apr 15 01:03:21 1999 Jan Hubicka <hubicka@freesoft.cz>
849 Jeff Law <law@cygnus.com>
851 * i386.md (QImode add pattern): Support lea instruction.
852 (HImode add pattern): Likewise.
854 * i386.md (ashlsi patterns): Call output_ashl instead of output_ashlsi3.
855 (ashlqi): Use expander, separate LEA and SAL / ADD patterns; call
858 * i386.h (output_ashl): Renamed from output_ashlsi3.
859 * i386.c (output_ashl): Likewise; support HImode and QImode operands
862 * i386.md (notsi, nothi, xorsi, xorhi, and xorqi patterns): Call
863 memory_address_displacement_length instead of memory_address_length.
864 * i386.c (memory_address_info): Renamed from memory_address_length.
865 Accept new argument DISP_LENGTH. All callers changed. If DISP_LENGTH,
866 then return the displacement length. Else return length of the
867 entire memory address. Handle MULT case correctly.
868 * i386.h (memory_address_info): Update declaration.
870 * i386.md (memory_bit_test): Fix paren error.
872 Wed Apr 14 21:29:18 1999 Andrew Haley <aph@cygnus.com>
874 * flow.c: (make_edges): Always make edges from a basic block
875 to its exception handlers, even if the block ends with a jump.
877 1999-04-14 23:26 -0400 Zack Weinberg <zack@rabi.columbia.edu>
879 * graph.c (node_data): Return void. Ignore result of
880 print_rtl_single. Change caller to match.
881 * integrate.c (subst_constants): Initialize op0_mode to an
882 invalid mode, and abort before use if it's still invalid.
883 (Can only happen if the RTX_CLASS, RTX_FORMAT tables are corrupted.)
884 * objc/objc-act.c (get_objc_string_decl,
885 build_selector_translation_table, generate_protocol_list,
886 synth_id_with_class_suffix, build_keyword_selector,
887 build_selector_expr, gen_declarator): Abort when the tree
888 structure is corrupted.
890 Wed Apr 14 19:57:49 1999 Jeffrey A Law (law@cygnus.com)
892 * configure.in (alpha interix): Use symbolic names to set
894 * configure: Rebuilt.
896 * explow.c (allocate_dynamic_stack_space): Undo last change. Use
897 convert_memory_address instead.
899 Wed Apr 14 19:42:02 1999 Donn Terry (donn@interix.com)
901 * alpha/lib1funcs.asm: New file.
902 * alpha/t-interix (lib1funcs.asm): Add to build.
904 * explow.c (allocate_dynamic_stack_space): Correctly convert TARGET
907 Wed Apr 14 14:26:36 1999 John Wehle (john@feith.com)
909 * i386.md (truncxfdf): Output the template supplied
910 by output_move_double with the correct operands.
912 * i386.md (extendsfdf, extendsfxf, extenddfxf): Use
913 output_float_extend instead specifying '#' as the template.
914 * i386.c (output_float_extend): Define.
915 * i386.h (output_float_extend): Declare.
917 Wed Apr 14 10:48:03 1999 Catherine Moore <clm@cygnus.com>
919 * config/mips/elf.h, config/mips/elf64.h
920 (CTORS_SECTION_ASM_OP): Define.
921 (DTORS_SECTION_ASM_OP): Define.
922 (EXTRA_SECTIONS): Define.
923 (INVOKE__main): Define.
924 (NAME__MAIN): Define.
925 (SYMBOL__MAIN): Define.
926 (EXTRA_SECTIONS_FUNCTIONS): Define.
927 (SECTION_FUNCTION_TEMPLATE): Define.
928 (ASM_OUTPUT_CONSTRUCTOR): Define.
929 (ASM_OUTPUT_DESTRUCTOR): Define.
930 (CTOR_LIST_BEGIN): Define.
931 (CTOR_LIST_END): Define.
932 (DTOR_LIST_BEGIN): Define.
933 (DTOR_LIST_END): Define.
935 (STARTFILE_SPEC): Define.
936 (ENDFILE_SPEC): Define.
937 * config/mips/linux.h: Undefine all of the above.
938 * config/mips/rtems64.h: Likewise.
939 * config/mips/t-r3900: Likewise.
940 * config/mips/t-elf: New file.
941 * config/mips/vxworks.h: New file.
942 * configure.in (mips-wrs-vxworks): Use mips/vxworks.h.
943 (mips*-*-*elf*): Use t-elf instead of t-ecoff.
944 * configure: Regenerate.
946 Wed Apr 14 09:59:38 1999 Richard Henderson <rth@cygnus.com>
948 * reload1.c (emit_reload_insns): Also find equivalent mems
949 for subregs of pseudos.
951 * alpha.c (aligned_memory_operand): Recognize the output of
952 LEGITIMIZE_RELOAD_ADDRESS. Examine reg_equiv_memory_loc in
953 the event of a pseudo.
954 (unaligned_memory_operand): Likewise. Don't otherwise accept
955 completely illegal addresses.
956 (normal_memory_operand): Likewise. Handle subregs of pseudos.
957 (get_aligned_mem): Revert previous change. Abort if we don't have a
958 mem. During reload, call find_replacement on all illegal memories.
959 (get_unaligned_address): Likewise.
960 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Use !aligned_memory_operand
961 instead of unaligned_memory_operand.
962 * alpha.md: Revert extra argument to get_aligned_mem.
963 (reload_inqi): Use any_memory_operand in constraints. Abort if
964 we're not given some sort of mem.
965 (reload_inhi): Likewise.
966 (reload_outqi, reload_outhi): Likewise.
968 Wed Apr 14 09:39:20 1999 Richard Henderson <rth@cygnus.com>
970 * i386.md (neghi): Use the whole register when widening the op.
972 1999-04-14 12:37 -0400 Zack Weinberg <zack@rabi.columbia.edu>
974 * cpperror.c, cppexp.c, cpplib.c: Never call abort.
975 * cpphash.c: Only call abort when we detect corruption of the
977 * cppmain.c: Don't define fatal or fancy_abort.
979 Wed Apr 14 09:19:39 1999 Jan Hubicka <hubicka@freesoft.cz>
981 * i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
982 requires value to be ready one extra cycle.
984 Wed Apr 14 11:28:34 1999 Dave Brolley <brolley@cygnus.com>
986 * config/i386/i386.c (memory_address_length): Add missing parenthesis.
988 Wed Apr 14 13:59:27 1999 Martin von Loewis <loewis@informatik.hu-berlin.de>
990 * extend.texi (Deprecated Features): New node.
991 * invoke.texi (-Wdeprecated): Document.
993 Wed Apr 14 00:18:22 1999 Jan Hubicka <hubicka@freesoft.cz>
995 * i386.md (SImode logical compare): Avoid outputing non-pariable testw
996 and testl on Pentium.
997 (register and memory bit tests): Likewise.
998 (setcc, normal and reversed conditional branches): Use shorter
999 sequence for testing flags stored in EAX.
1001 * i386.md (xorsi3): Do not output NOT instrctions on Pentium.
1006 (nothi2): Likewise; do not output prefixed opcodes when possible.
1008 * i386.md (neghi2): Do not output prefixed opcode when possible.
1009 (ashlhi3): Likewise.
1011 Wed Apr 14 00:08:46 1999 Richard Henderson <rth@cygnus.com>
1013 * i386.c (memory_address_length): New function.
1014 * i386.h (memory_address_length): Declare it.
1016 Tue Apr 13 22:52:04 1999 Donn Terry (donn@interix.com)
1017 Martin Heller (Ing.-Buero_Heller@t-online.de)
1019 * configure.in (interix Alpha): Add.
1020 (winnt Alpha): Use alpha32.h
1021 (interix i386): Parallel Alpha32.
1022 * configure: Rebuilt.
1024 * config/interix.h: Move common elements from i386-interix.h.
1025 * config/i386/i386-interix.h: Delete same.
1026 * config/alpha/alpha-interix.h: New file.
1028 * config/alpha/alpha32.h: New file, part fron win-nt.h.
1029 * config/alpha/win-nt.h: Deletions (-> alpha32.h).
1030 * config/alpha/interix.h: New file
1032 * config/alpha/alpha.md (interix): Comment.
1034 * config/alpha/xm-alpha-interix.h: New file.
1036 * config/alpha/t-interix: New file.
1038 * fixinc/mkfixinc.sh (interix/Alpha): Add.
1040 1999-04-13 Mike Stump <mrs@wrs.com>
1042 * i386/vxi386.h (CPP_CPU_SPEC): Define appropriately for vxworks.
1043 (CPP_PREDEFINES, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): likewise.
1045 Tue Apr 13 21:01:36 1999 Jason Merrill <jason@yorick.cygnus.com>
1047 * c-common.c (default_valid_lang_attribute): New fn.
1048 (valid_lang_attribute): New callback ptr.
1049 (decl_attributes): Call it. Move init_priority support into
1052 Tue Apr 13 17:47:14 1999 John Wehle (john@feith.com)
1054 * i386.md (movdi): Add splitter.
1056 Wed Apr 14 10:04:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1058 * config/c4x/c4x.md (storeqf_int, storeqf_int_clobber, loadqf_int,
1059 loadqf_int_clobber): Add new patterns with corresponding splitters
1060 to handle moves of floating point values into and out of intager
1061 registers by using memory.
1063 * config/c4x/c4x.c (c4x_check_legit_addr): Disallow PRE_INC for modes
1064 other than QFmode and QImode.
1065 (mixed_subreg_operand): New function.
1066 (c4x_emit_move_sequence): If moving a floating point value into or
1067 out of an integer register, use the new patterns storeqf_int_clobber
1068 or loadqf_int_clobber.
1069 (reg_imm_operand, *_reg_operand): Call reg_operand instead of
1071 (reg_operand, src_operand): Disallow operand if it satisifes
1072 mixed_subreg_operand.
1074 * config/c4x/c4x.h (mixed_subreg_operand): Add prototype.
1076 Tue Apr 13 14:49:13 1999 Jan Hubicka <hubicka@freesoft.cz>
1078 * i386.c (agi_dependent): Handle push operation more correctly.
1080 Tue Apr 13 14:45:17 1999 Jan Hubicka <hubicka@freesoft.cz>
1082 * i386.md (anddi3): Add % constraint.
1083 (iordi3, xordi3): Likewise.
1085 Tue Apr 13 14:29:58 1999 Jan Hubicka <hubicka@freesoft.cz>
1087 * i386.md (extendhisi2): Output mov instead of cw instruction for K6
1088 to improve decoding bandwidth.
1089 * i386.md (extendhiqi2): Likewise.
1091 Tue Apr 13 14:26:31 1999 Jan Hubicka <hubicka@freesoft.cz>
1093 * i386.md (movsf_push): Handle memory to memory case too, new splitter.
1094 (movdf_push, movxf_push): Likewise.
1095 (movsf_push_memory, movdf_push_memory, movxf_push_memory): Remove.
1097 Tue Apr 13 14:14:06 1999 Jan Hubicka <hubicka@freesoft.cz>
1099 * i386.md: Do not output mov %0,reg on AMD K6.
1101 Tue Apr 13 12:14:07 1999 Dave Brolley <brolley@cygnus.com>
1103 * cppinit.c (cpp_start_read): Fix buffer overwrite.
1104 * Makefile.in (cppinit.o): Typo in dependencies.
1106 Tue Apr 13 05:04:59 1999 Richard Earnshaw (rearnsha@arm.com)
1108 * arm.h (function prototypes for arm.c): Ifdef these out if
1109 HAVE_CONFIG_H is not defined.
1111 Tue Apr 13 02:11:11 1999 Jeffrey A Law (law@cygnus.com)
1113 * pa.c: Avoid Using immediate zero for register zero.
1116 * pa.c (print_operand, case 'f'): New case for FP register or 0.0.
1117 (print_operand, case 'r'): Use %r0 for zero value.
1118 * pa.md (move patterns, fcmp patterns): Use new %f output arg.
1120 * pa.c: Use a register name, not a raw immediate in branch,
1121 compare/clear, sub, subb, uaddcm and vshd instructions.
1124 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
1126 * pa.c: Use a register name, not a raw immediate in "bv" instructions.
1127 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
1129 * pa.c: Remove space register specification in memory addresses,
1130 except where it is actually needed.
1131 * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.
1133 Mon Apr 12 23:34:35 1999 Jeff Law (law@cygnus.com)
1135 * version.c: Bump for snapshot.
1137 Mon Apr 12 14:58:30 1999 Jan Hubicka <hubicka@freesoft.cz>
1139 * reg-stack.c (check_stack_regs_mentioned): Remove variable SIZE.
1141 Mon Apr 12 19:15:17 1999 Daniel Jacobowitz <dan@debian.org>
1143 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Add missing backslash.
1145 Mon Apr 12 19:11:38 1999 Mumit Khan <khan@xraylith.wisc.edu>
1147 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mconsole; fix
1148 -mno-nop-fun-dllimport and minor doc fixes.
1149 (STARTFILE_SPEC): Cygwin DLLs don't have dllcrt0.
1150 (LINK_SPEC): Add -mconsole support.
1151 * i386/mingw32.h (LIB_SPEC): Make libraries consistent with
1153 (LINK_SPEC): Remove. Use Cygwin's version.
1154 (MATH_LIBRARY): Make it null.
1155 * i386/crtdll.h (MATH_LIBRARY): Likewise.
1157 Fri Apr 12 15:00:52 1999 Stan Cox <scox@cygnus.com>
1159 * c-decl.c (c_decode_option, start_decl, start_function,
1160 finish_function) : Recognize -Wno-main so we can avoid warnings.
1162 1999-04-12 Zack Weinberg <zack@rabi.columbia.edu>
1164 * cpphash.c (collect_expansion, macroexpand,
1165 push_macro_expansion): Make the escape character in macro
1166 buffers '\r', not '@'. Remove code to protect literal
1167 occurences of the escape character; '\r' cannot appear
1168 in a macro buffer unless we put it there.
1169 * cpplib.c (skip_comment, copy_comment, cpp_skip_hspace,
1170 copy_rest_of_line, cpp_get_token, parse_string,
1171 parse_assertion): '\r' might be a backslash-newline marker, or
1172 it might be a macro escape marker, depending on
1173 CPP_BUFFER (pfile)->has_escapes. '@' is not a special
1175 * cpplib.h: Update commentary.
1177 Mon Apr 12 09:30:03 1999 Richard Earnshaw (rearnsha@arm.com)
1179 * arm.h (target_fp_name, structure_size_string, arm_cpu_select):
1181 * arm.c (target_fp_name, structure_size_string): Const-ify.
1183 * arm.md (reload_inhi, reload_outhi): Make the scratch DImode.
1184 * arm.c (arm_reload_in_hi): Handle cases when the input is still
1185 a pseudo, make use of scratch registers for reloading the address
1187 (arm_reload_outhi): Similarly for when the output is still a pseudo.
1189 * riscix.h (SUBTARGET_SWITCHES): Document.
1191 1999-04-12 Bruce Korb <ddsinc09@ix.netcom.com>
1194 make fixincludes behave like the scripts in fixinc/
1196 * Makefile.in( stmp-fixinc ):
1197 ensure the SHELL value is that of the make
1199 * fixincl/inclhack.tpl:
1200 the file name lists ought to be restricted to "*.h" anyway
1201 C++ files may be named .../[a-z]++/... also
1202 Adding copyright year and attribution to output
1204 * fixincl/inclhack.def:
1205 fixed broken expression
1206 Clarify a some comments
1208 * fixincl/fixincl.tpl:
1209 Clarify a some comments
1210 Remove dead template text
1211 Correct the counting of regular expressions
1213 Mon Apr 12 03:07:44 1999 Richard Henderson <rth@cygnus.com>
1215 * alpha.c (aligned_memory_operand): Handle out of range stack slots.
1216 Take a new SCRATCH argument for the occasion. Update all callers.
1217 (get_unaligned_address): Abort on out of range stack slots.
1218 * alpha.md (adddi3 splitter): Check s_p_rtx not REGNO.
1219 (reload_inqi): Check for aligned mems before unaligned.
1220 (reload_inhi): Likewise.
1222 Mon Apr 12 03:11:30 1999 Jeffrey A Law (law@cygnus.com)
1224 * flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
1225 it from the nonlocal_goto_handler_labels list.
1226 * jump.c (delete_insn): Likewise.
1227 (jump_optimize_1): Also recompute LABEL_NUSES when we are just
1229 * rtl.h (remove_node_from_expr_list): Declare.
1230 * rtlanal.c (remove_node_from_expr_list): New function.
1232 Mon Apr 12 02:37:02 1999 Jan Hubicka <hubicka@freesoft.cz>
1234 * reg-stack.c: Update comment, include varray.h.
1235 (stack_regs_mentioned_data): New global variable.
1236 (check_stack_regs_mentioned): New function.
1237 (stack_regs_mentioned): New function.
1238 (reg_to_stack): Initialize and free stack_regs_mentioned_data,
1239 use stack_regs_mentioned.
1240 (record_asm_reg_life): Change insn type cache for changed insn.
1241 (record_reg_life): Do not change the insn mode.
1242 (emit_pop_insn): Likewise.
1243 (emit_swap_insn): Likewise.
1244 (move_for_stack_reg): Likewise.
1245 (stack_reg_life_analysis): Use stack_regs_mentioned.
1246 (emit_swap_insn): Likewise.
1247 (subst_stack_regs): Likewise.
1248 (convert_regs): Likewise.
1249 * jump.c (find_cross_jump): Use stack_regs_mentioned.
1250 * rtl.h (stack_regs_mentioned): Declare.
1252 Mon Apr 12 00:57:10 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1254 * integrate.c (INTEGRATE_THRESHOLD): Sync it with the comment.
1256 Sun Apr 11 10:24:18 1999 Mark Mitchell <mark@codesourcery.com>
1258 * rtl.h (rtx_def): Update documentation for jump and call.
1260 Sun Apr 11 07:43:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * jump.c (jump_optimize_1): Make the definition static to match
1265 Sat Apr 10 22:51:53 1999 Jan Hubicka <hubicka@limax.paru.cas.cz>
1267 * flow.c (life_analysis): New parameter remove_dead_code.
1268 (life_analysis_1): Likewise.
1269 (propagate_block): Likewise; use it.
1270 * output.h: Update prototype.
1271 * toplev.c: Update calls to life_analysis.
1273 Sat Apr 10 22:12:12 1999 Jan Hubicka <hubicka@freesoft.cz>
1275 * recog.c (constrain_operands): Ignore unary operators when
1276 matching operands. Recognize '5'..'9' as well.
1278 Sat Apr 10 21:53:02 1999 Philipp Thomas (kthomas@gwdg.de)
1279 Richard Henderson <rth@cygnus.com>
1281 * configure.in: Set target_cpu_default2 for target_alias k6.
1282 * i386.h (TARGET_SWITCHES): Remove no-<cpu> entries.
1283 (CC1_CPU_SPEC): Likewise.
1284 (CPP_CPU_DEFAULT_SPEC): Streamline definition. Add K6 version.
1286 (CPP_CPU_SPEC): Add K6 variant.
1287 (EXTRA_SPECS): Likewise.
1289 Fri Apr 9 11:29:17 1999 Richard Henderson <rth@cygnus.com>
1291 * flow.c (merge_blocks_nomove): Rewrite to properly handle two
1292 blocks that vanish entirely during merging.
1294 Sat Apr 10 20:09:55 1999 John Wehle (john@feith.com)
1296 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
1297 floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
1298 movxfcc, movdicc): Remove unused register constraints from
1301 * i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
1302 fixuns_truncxfsi2): Delete.
1304 * reg-stack.c (delete_insn_for_stacker): Ensure that
1305 the only side effects of a PARALLEL are clobbers.
1306 (subst_stack_regs): Handle subst_stack_regs_pat deleting
1308 * i386.md (extendsfdf2, extenddfxf2,
1309 extendsfxf2): Rewrite using a splitter.
1310 * i386.c (output_op_from_reg): Remove.
1313 Sat Apr 10 13:09:18 1999 Nick Clifton <nickc@cygnus.com>
1315 * config/arm/arm.c (di_operand): Allow SUBREGs as well.
1316 (soft_df_operand): Allow SUBREGs as well.
1318 Sat Apr 10 06:14:31 1999 Jan Hubicka <hubicka@paru.cas.cz>
1320 * extend.texi (Assembler Instructions with C Expression Operands):
1321 Document the i386 floating point operands.
1323 1999-04-10 Mike Stump <mrs@wrs.com>
1325 * configure.in (*-*-vxworks): Add vxWorks thread support for all
1327 * configure.in (thumb-wrs-xvworks): Add vxWorks support for thumb.
1328 * configure: Rebuilt.
1330 Sat Apr 10 06:04:50 1999 Donn Terry (donn@interix.com)
1332 * i386/t-interix: Use mostly system headers unchanged.
1334 * fixinc/fixinc.interix: Ditto (make almost no-op).
1335 * config/x-interix.h (_ALL_SOURCE): add -D
1336 * config/x-interix.h (crti.o): Delete dependency.
1337 * config/xm-interix.h (ONLY_INT_FIELDS): Define only when bootstrapping.
1338 * i386/xm-i386-interix.h: New file.
1339 * i386/interix.h (ASM_OUTPUT_LIMITED_STRING): Fix warnings.
1340 * i386/i386-interix.h: Renamed from interix.h.
1341 * configure.in (interix): Use new files.
1342 * configure: Rebuilt.
1344 Sat Apr 10 05:25:28 1999 Daniel Jacobowitz <dan@debian.org>
1346 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions
1347 for -Dunix and -Dlinux, and remove duplicate definition.
1348 Change -Asystem(linux) to -Asystem(posix).
1349 (CPP_OS_SOLARIS_SPEC): Fix conditions for -Dunix, -Dsun,
1350 -DSVR4, -D__EXTENSIONS__.
1352 * rs6000/linux.h (CPP_PREDEFINES): Remove -Dunix,
1353 -Dlinux, -Asystem(linux), and -Asystem(unix).
1355 Sat Apr 10 05:14:50 1999 Mark Elbrecht <snowball3@usa.net>
1357 * i386/djgpp.h (SET_ASM_OP): Define.
1359 * cccp.c (DIR_SEPARATOR): Move to the top of the file.
1360 (is_dir_separator): New function.
1361 (simplify_filename): Use it.
1362 * collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
1363 of the DIR_SEPARATOR test.
1364 Consider any file starting with a drivename to be absolute.
1365 If the absolute filename test fails and EXECUTABLE_SUFFIX is
1366 defined, append EXECUTABLE_SUFFIX to the file and try again.
1367 * cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM
1368 in place of __MSDOS__ and _WIN32.
1369 * cppfiles.c (simplify_pathname): Likewise.
1370 * gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
1371 character is a directory separator.
1372 (find_a_file): Use it.
1373 (convert_filename): Likewise.
1374 (process_command): Likewise.
1375 (do_spec_1): Likewise.
1376 (is_directory): Likewise.
1378 * prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
1379 a directory separator.
1380 (translate_name): Use it.
1381 (update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix
1382 warning in block where '/' is changed to DIR_SEPARATOR.
1383 * i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
1384 (DIR_SEPARATOR_2): New macro. Set to '\'.
1385 (HAVE_DOS_BASED_FILESYS): Define.
1386 * i386/xm-mingw32.h: Updated copyright. Set
1387 DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
1388 * i386/xm-os2.h: Likewise.
1389 * winnt/xm-winnt.h: Likewise.
1390 * i386/xm-dos.h: Likewise. Add copyright.
1392 1999-04-10 Joseph S. Myers <jsm28@cam.ac.uk>
1394 * pdp11.h (TARGET_SWITCHES): Add option to vary assembler syntax.
1395 (TARGET_DEFAULT): Possibly use UNIX syntax.
1396 (TARGET_UNIX_ASM, TARGET_UNIX_ASM_DEFAULT): New macros.
1397 (REGISTER_NAMES): Use "r5" instead of "fp".
1398 (ASM_OUTPUT_ALIGN): Use ".even" directive, and abort for any
1400 * 2bsd.h (TARGET_UNIX_ASM_DEFAULT): Default to UNIX assembler
1402 * pdp11.c (output_ascii): Use working syntax for ".byte".
1403 (print_operand_address): Use "*" instead of "@" when using UNIX
1406 Sat Apr 10 03:50:12 1999 Jeffrey A Law (law@cygnus.com)
1408 * rtl.h (rebuild_jump_labels): Declare.
1409 * jump.c (jump_optimize_1): Renamed from jump_optimize. Make static.
1410 Add new argument MARK_LABELS_ONLY. Quit after mark_all_labels if
1412 (jump_optimize, rebuild_jump_labels): New wrapper functions for
1414 * toplev.c (rest_of_compilation): Use rebuild_jump_labels instead of
1415 running the entire jump optimizer.
1417 * rtl.h (local_alloc): Returns an integer now.
1418 * local-alloc.c (recorded_label_ref): New file scoped variable.
1419 (local_alloc): Initialize recorded_label_ref to zero. Return its
1420 value when local allocation has completed.
1421 (update_equiv_regs); If we create an equivalence for a LABEL_REF,
1422 set recorded_label_ref.
1423 * toplev.c (rest_of_compilation): Run the jump optimizer after
1424 register allocation and reloading if needed.
1426 Fri Apr 9 21:02:57 1999 Krister Walfridsson (cato@df.lth.se)
1428 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
1429 * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1431 1999-04-09 Zack Weinberg <zack@rabi.columbia.edu>
1433 * cpphash.c (special_symbol): When expanding __LINE__, use the
1434 top file buffer, not the top buffer.
1436 Fri Apr 9 13:41:04 1999 Jim Wilson <wilson@cygnus.com>
1438 * Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
1439 cd .. to TCL_LIBRARY command.
1441 Fri Apr 9 13:04:52 1999 Nick Clifton <nickc@cygnus.com>
1443 * config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
1444 not already specified.
1446 Fri Apr 9 11:18:55 1999 Jason Merrill <jason@yorick.cygnus.com>
1448 * c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
1451 Fri Apr 9 10:40:10 1999 Kaveh R. Ghazi <ghazi@snafu.rutgers.edu>
1453 * rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
1454 rs6000_float_const, rs6000_replace_regno, debug_stack_info,
1455 rs6000_output_load_toc_table, output_prolog, output_epilog):
1457 (output_mi_thunk): Likewise. Mark parameter `thunk_fndecl' with
1458 ATTRIBUTE_UNUSED. Hide unused variables `r0', `sp', `toc',
1459 `schain', `r12', `buf' and `labelno'.
1460 (output_ascii): Const-ify a char*.
1461 (rs6000_gen_section_name): Initialize variable `last_period'.
1462 (rs6000_adjust_priority): Mark parameter `insn' with
1464 (rs6000_trampoline_template, rs6000_dll_import_ref,
1465 rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.
1467 * rs6000.h (offsettable_mem_operand, optimization_options): Add
1470 * rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
1471 when comparing against one.
1473 Thu Apr 8 19:20:18 1999 Jeffrey A Law (law@cygnus.com)
1475 * expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
1476 Do not try to optimize a aggregate address which has VOIDmode.
1477 Mirrors March 23 change to expand_assignment.
1479 * flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
1480 for an edge when tidying an edge which connects consecutive basic
1483 * flow.c (can_delete_label_p): Do not convert a label into a
1486 * cse.c (flush_hash_table): New function.
1487 (cse_insn): Flush the hash table when we encounter a volatile asm.
1488 (cse_basic_block): Use flush_hash_table instead of doing it
1491 * reload1.c (reload_cse_regs_1): Flush known register values if
1492 we encounter a volatile asm.
1494 * loop.c (strength_reduce): Re-enable Joern's loop improvements.
1496 Thu Apr 8 09:37:40 1999 Nick Clifton <nickc@cygnus.com>
1498 * config/arm/arm.c (arm_print_operand): Undo previous change -
1499 always print large constants in decimal.
1501 Thu Apr 8 10:22:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1503 * configure.in (host_xm_file, build_xm_file): Include hwint.h.
1504 Use case statements instead of "if test -a ... -a ... -a ..."
1506 * machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
1507 HOST_WIDE_INT in #ifdef.
1509 * mips.h: Include hwint.h instead of providing definitions for
1510 HOST_WIDE_INT, etc. Wrap uses of HOST_WIDE_INT in #ifdef.
1512 Thu Apr 8 06:16:14 1999 John Wehle (john@feith.com)
1514 * i386.md (truncdfsf2, truncxfsf2,
1515 truncxfdf2): Rewrite using a splitter.
1517 Thu Apr 8 01:26:05 1999 Arg Haas (ahaas@neosoft.com)
1518 Jeffrey A Law (law@cygnus.com)
1520 * freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
1522 * gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1523 * linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1524 * openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1526 Wed Apr 7 22:40:19 1999 Jim Wilson <wilson@cygnus.com>
1528 * i960/i960.c (i960_function_prologue): Don't save static chain
1530 * i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
1531 (TRAMPOLINE_TEMPLATE): Likewise.
1532 (FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
1533 * i960/i960.md (nonlocal_goto): Rewrite.
1535 Tue Apr 6 17:49:49 1999 Philip Blundell <pb@nexus.co.uk>
1537 * config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.
1539 Wed Apr 7 14:07:34 1999 Jeffrey A Law (law@cygnus.com)
1541 * h8300.c (h8300_adjust_insn_length): Also avoid recognizing
1542 ADDR_VEC and ADDR_DIFF_VEC insns.
1544 * h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
1545 USE, CLOBBER or SEQUENCE insns.
1547 * unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
1548 to account for the uncopied insn that sets cc0 at the end of the loop.
1550 * unroll.c (copy_loop_body): Always ensure at least two insns
1551 are in the copied loop.
1553 Wed Apr 7 14:52:18 1999 Catherine Moore <clm@cygnus.com>
1555 * config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
1556 (UNIQUE_SECTION_P): Define.
1558 1999-04-07 Bruce Korb <ddsinc09@ix.netcom.com>
1560 * fixinc/inclhack.tpl & fixincl.tpl:
1561 Remove dynamic content from generated files
1563 Wed Apr 7 13:16:22 1999 John Wehle (john@feith.com)
1565 * i386.c (output_move_memory): Remove.
1568 * i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
1569 movsf, movdf, movxf, movdi): Check no_new_pseudos instead
1570 of (reload_in_progress | reload_completed).
1572 Wed Apr 7 03:16:45 1999 Richard Henderson <rth@cygnus.com>
1574 * alpha.c (reg_no_subreg_operand): New function.
1575 * alpha.h (PREDICATE_CODES): Add it.
1576 * alpha.md (floatdi?f patterns): Use it for op1.
1578 * alpha.c (alpha_end_function): Don't flag weak functions.
1580 Wed Apr 7 02:11:55 1999 Richard Henderson <rth@cygnus.com>
1582 * expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
1583 copy_to_mode_reg; don't force constants into a register.
1585 Tue Apr 6 22:55:25 1999 Richard Henderson <rth@cygnus.com>
1587 * toplev.c (compile_file): Typo flow_dump -> flow2_dump.
1589 1999-04-06 Joseph S. Myers <jsm28@cam.ac.uk>
1591 * pdp11.c (simple_memory_operand): Add default case in switch.
1592 * pdp11.h (TARGET_SWITCHES): Add help strings.
1593 (NOTICE_UPDATE_CC): Don't include excess argument to format.
1594 (ASM_OUTPUT_DOUBLE_INT): Remove.
1596 Tue Apr 6 22:09:40 1999 Richard Henderson <rth@cygnus.com>
1598 * expr.c (expand_builtin_setjmp): Put setjmp return label on
1599 nonlocal_goto_handler_labels for flow.
1601 Tue Apr 6 22:05:21 1999 Jan Hubicka <hubicka@paru.cas.cz>
1602 Richard Henderson <rth@cygnus.com>
1604 * flow.c (verify_flow_info): New function.
1605 (find_basic_blocks): Call it if ENABLE_CHECKING.
1606 (merge_blocks): Don't merge if there are non-deletable labels.
1607 * toplev.c (fatal_insn): Allow a printf-style arg list.
1608 * toplev.h (fatal_insn): Update prototype.
1610 Tue Apr 6 16:18:58 1999 Jan Hubicka <hubicka@paru.cas.cz>
1612 * flow.c (split_edge) update correctly flow graph, disable
1613 EDGE_CRITICAL flag on the split edge, update NUSES for new label.
1615 Tue Apr 6 15:47:51 1999 Richard Henderson <rth@cygnus.com>
1617 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
1618 Clear third and following slots, if they exist.
1620 Tue Apr 6 15:45:28 1999 Richard Henderson <rth@cygnus.com>
1622 * flow.c (create_basic_block): Make sure the bb note is in the block.
1623 (can_delete_note_p): Rename from delete_note_p.
1624 (delete_insn_chain): Preserve undeleteable labels too.
1625 (tidy_fallthru_edge): Use next_real_insn instead of confusing
1628 1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
1630 * cppexp.c (parse_charconst): Initialize c.
1631 (cpp_parse_expr): Initialize rprio.
1632 * cppfiles.c (merge_include_chains): Initialize prev.
1633 (finclude): Set fp->line_base to fp->buf before returning.
1634 * cpphash.c (macroexpand): Initialize token.
1635 * cppspec.c (lang_specific_driver): Change suff to
1636 const char *const *.
1638 1999-04-06 Zack Weinberg <zack@rabi.columbia.edu>
1640 * cppinit.c (install_predefs): Delete function.
1641 (cpp_start_read): Don't call install_predefs.
1642 (cpp_handle_option): Remove case 'u' and all refs to
1643 opts->inhibit_predefs.
1644 (print_help): Don't mention -undef.
1645 (initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
1647 * cpplib.h (struct cpp_options): Remove inhibit_predefs
1650 * cccp.c (predefs): Delete variable.
1651 (main): Remove case 'u' in argument parse loop,
1652 'inhibit_predefs' variable, and the code block that would
1653 process CPP_PREDEFINES.
1654 (initialize_builtins): Don't define __OBJC__, the driver will
1657 * gcc.c (default_compilers): Remove -undef from all specs that
1658 invoke a C preprocessor.
1659 * ch/lang-specs.h: Likewise.
1660 * cp/lang-specs.h: Likewise.
1661 * f/lang-specs.h: Likewise.
1662 * objc/lang-specs.h: Likewise.
1664 Mon Apr 5 11:55:31 1999 Donn Terry (donn@interix.com)
1666 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.
1668 Mon Apr 5 11:51:38 1999 Jeffrey A Law (law@cygnus.com)
1670 * m68k.md (movdf): Hide GPR sources & destinations from regclass.
1672 Mon Apr 5 09:54:42 1999 Jeff Law (law@cygnus.com)
1674 * version.c: Bump for snapshot.
1676 Mon Apr 5 05:55:15 1999 Bruce Korb <ddsinc09@ix.netcom.com>
1678 * fixincl.tpl: Separate "-e" from its argument, a la
1679 the Sat Apr 3 17:05:13 1999 fix.
1680 * genfixes: Ensure that the server shell is _NOT_ csh.
1682 Mon Apr 5 03:52:30 1999 Jeff Law (law@cygnus.com)
1684 * version.c: Bump for snapshot.
1686 Mon Apr 5 04:47:14 1999 Jeffrey A Law (law@cygnus.com)
1688 * i386.c (x86_double_with_add): Turn off for Pentium and PPro.
1689 (small_shift_operand, output_ashlsi3): New functions.
1690 * i386.h (small_shift_operand, output_ashlsi3): Declare.
1691 * i386.md (ashlsi3): Simplify ahlsi3 patterns. Remove splitters
1692 that are no longer needed.
1694 Sun Apr 4 04:05:04 1999 Jeffrey A Law (law@cygnus.com)
1696 * stmt.c (expand_loop_end): When copying the loop exit test,
1697 do not walk into a nested loop.
1699 Sun Apr 4 00:14:54 1999 Jeffrey A Law (law@cygnus.com)
1701 * fixinc/hackshell.tpl: Skip links to directories, to avoid
1703 * fixinc/inclhack.tpl: Likewise.
1704 * fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
1706 Sat Apr 3 23:46:13 1999 David Edelsohn <edelsohn@gnu.org>
1708 * rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
1709 movsi_got, movsi, movsf): Use no_new_pseudos.
1710 * rs6000.c (rs6000_got_register): Likewise.
1711 (offsettable_mem_opereand): Use || not |.
1713 Sat Apr 3 22:02:56 1999 Jeffrey A Law (law@cygnus.com)
1715 * acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
1716 * config.in: Rebuilt.
1718 Sat Apr 3 16:22:59 1999 Toshiyasu Morita (tm@netcom.com)
1720 * gcc.texi: Add info on regmove pass.
1722 * regmove.c (fixup_match_1): Consistently evaluate
1723 HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.
1725 Sat Apr 3 19:21:05 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1727 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
1728 instead of test and sed to check whether they're GNU programs.
1729 * configure: Rebuilt.
1731 Sat Apr 3 17:57:35 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1733 * Makefile.in (install-headers-tar, install-headers-cpio): Avoid
1734 problems with CDPATH.
1735 Reported by Ralf Canis <canis@bigfoot.com>
1737 Sat Apr 3 13:50:16 1999 Jeffrey A Law (law@cygnus.com)
1739 * fixinc.x86-linux-gnu: Deleted.
1741 Sat Apr 3 17:05:13 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1743 * inclhack.tpl: Insert spaces between `sed -e' and '...'.
1744 Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1745 * fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
1747 Sat Apr 3 14:54:46 1999 Craig Burley <craig@jcb-sc.com>
1749 * tree.def (BLOCK): Fix typo in comment.
1751 Sat Apr 3 00:53:29 1999 John Wehle (john@feith.com)
1753 * i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
1754 floatsixf2, floatdixf2): Rewrite using a splitter.
1756 Fri Apr 2 17:36:10 1999 Nick Clifton <nickc@cygnus.com>
1758 * config/arm/arm.c (arm_print_operand): Print large constants in
1759 hex rather than decimal.
1761 Fri Apr 2 17:23:58 1999 Nick Clifton <nickc@cygnus.com>
1763 * print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
1764 and HOST_WIDE_INT_PRINT_HEX to display constants.
1766 1999-04-02 Zack Weinberg <zack@rabi.columbia.edu>
1768 * config/i386/i386.h: Document all TARGET_SWITCHES or add
1769 explicit null initializer.
1771 * config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
1772 * config/i386/dgux.h: Likewise.
1773 * config/i386/osf1elf.h: Likewise.
1774 * config/i386/win32.h: Likewise.
1775 * config/i386/osfrose.h: Likewise. Drop obsolete -mno-ident option.
1777 Fri Apr 2 17:49:44 1999 Toshiyasu Morita <tm@netcom.com>
1779 * regmove.c (fixup_match_1): Remove now useless if (0).
1781 Sat Apr 3 11:37:20 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1783 * tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
1784 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
1785 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1786 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.
1788 * rtl.h (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
1789 USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
1790 USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1791 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
1794 * expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
1795 USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
1798 Fri Apr 2 16:03:05 1999 Jeffrey A Law (law@cygnus.com)
1800 * fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
1801 * fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.
1803 Fri Apr 2 15:46:25 1999 Donn Terry (donn@interix.com)
1805 * configure.in: Set and substitute quoted_cc_set_by_configure.
1806 * configure: Rebuilt.
1807 * Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.
1809 Fri Apr 2 14:35:45 1999 Stan Cox <scox@cygnus.com>
1811 * config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
1812 of a hardcoded path for -mno-cygwin.
1813 (mingw_include_path): New.
1815 1999-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1817 * pdp11.c: Include "recog.h".
1818 (output_function_prologue): Remove unused variables `nregs', `i',
1820 (output_function_epilogue): Remove unused variables
1821 `may_call_alloca', `nregs', `regno', `adjust_fp'.
1822 (output_ascii): Mark as returning void.
1823 (print_operand_address: Likewise.
1824 (simple_memory_operand): Remove unused variables `plus0', `plus1',
1826 * pdp11.h: Declare functions `arith_operand',
1827 `const_immediate_operand', `expand_shift_operand',
1828 `legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
1829 `output_function_epilogue', `output_function_prologue',
1830 `print_operand_address', `register_move_cost',
1831 `simple_memory_operand'.
1832 (HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
1833 (REGNO_REG_CLASS): Likewise.
1834 * pdp11.md: Add explicit `int' to `static count' (in two places).
1835 (addhi3): Add explicit braces to avoid ambiguous else.
1837 (ashlhi3): Likewise.
1839 Fri Apr 2 14:17:10 1999 Jerry James <jerry@cs.ucsb.edu>
1841 * gcc/invoke.texi: Add documentation for additional supported
1842 MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
1845 Fri Apr 2 14:12:06 1999 John Wehle (john@feith.com)
1847 * i386.md: Delete floating point compare, add, subtract,
1848 multiply, and divide patterns which allowed integer
1850 * i386.c (output_387_binary_op): Delete unused code.
1851 (output_float_compare): Likewise.
1853 Fri Apr 2 11:53:37 1999 John Wehle (john@feith.com)
1855 * i386.md (movsf+1, movdf+1, movxf+1): Update constraints
1856 so that SECONDARY_MEMORY_RELOAD is used. Remove dead code.
1858 1999-04-02 Bruce Korb <ddsinc09@ix.netcom.com>
1860 * fixinc/mkfixinc.sh: Added support for x86-interix.
1861 * fixinc/fixinc.interix: Fixincludes script, slight changes
1862 from ./fixinc.interix. Untested (needs interix box).
1863 * fixinc/inclhack.def:
1864 Complete the change to the 'fixinc.tmp' file.
1865 Fixed regex for finding C++ headers.
1866 * fixincl.x, fixincl.sh, inclhack.sh: Regenerate.
1868 Fri Apr 2 11:36:12 1999 Jan Hubicka (hubicka@paru.cas.cz)
1870 * i386.c (print_operand_address, case REG): Do not use ESI addressing
1873 * i386.c (print_operand_address, case MULT): Use more efficient
1874 encoding (mult (reg) (const_int 2)).
1876 Thu Apr 1 17:01:50 1999 Richard Henderson <rth@cygnus.com>
1878 Move over patch from Bernd Schmidt from GC branch:
1879 * emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
1880 (gen_rtx): Call it. Tidy cases.
1881 * rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
1882 * gengenrtl.c: Add commentary.
1883 (special_rtx): Also match CONST_DOUBLE.
1884 (gencode): Emit call to memset instead of bzero.
1886 Fri Apr 2 12:58:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1888 * config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
1889 into a register if shift count not constant.
1890 (ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
1893 Fri Apr 2 12:19:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1895 * config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
1897 (movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
1898 register constraints.
1899 (*movhi_clobber+1): Modify splitter pattern to handle destination
1900 register that is used in the source address.
1901 (*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.
1903 Fri Apr 2 12:16:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1905 * config/c4x/c4x.h: Added more comments.
1907 Fri Apr 2 11:58:22 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1909 * config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
1910 constants into memory if we get called directly from gen_move_insn
1911 rather than emit_move_insn.
1912 (c4x_legitimize_address): Fix up LABEL_REF addresses.
1914 Thu Apr 1 12:04:05 1999 Jim Wilson <wilson@cygnus.com>
1916 * expr.c (store_field): When check direct_store, assume all complex
1917 modes can be directly stored.
1919 1999-04-01 Bruce Korb <ddsinc09@ix.netcom.com>
1921 * fixinc/genfixes: New shell script that runs autogen
1922 to create the generated files.
1924 1999-04-01 Manfred Hollstein <manfred@s-direktnet.de>
1926 * Makefile.in (cppmain$(exeext)): Depend on intl.o. Link in intl.o.
1928 Thu Apr 1 03:48:34 1999 H.J. Lu (hjl@gnu.org)
1930 * i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
1931 signed integer comparisons.
1933 * i386.c (output_int_conditional_move): Use "enum rtx_code" for code
1936 * i386.c (notice_update_cc): No need to check the INT mode for
1937 conditional moves since FLOAT conditional moves don't affect cc0.
1939 Thu Apr 1 02:17:18 1999 Jeffrey A Law (law@cygnus.com)
1941 * fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
1942 string to only match on hpux11.
1943 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
1945 Thu Apr 1 01:09:27 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
1947 * fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
1948 * fixinc/inclhack.sh: Rebuilt.
1950 * fixinc/inclhack.def: Fix typos in c_asm.h fix.
1951 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.
1953 Wed Mar 31 17:20:11 1999 Jeffrey A Law (law@cygnus.com)
1955 * toplev.c (rest_of_compilation): Allow dbr_schedule to write to
1958 Wed Mar 31 12:32:43 1999 Richard Henderson <rth@cygnus.com>
1960 * flow.c (find_basic_blocks): New argument `do_cleanup'.
1961 Conditionally call delete_unreachable_blocks.
1962 (free_basic_block_vars): Zero ENTRY/EXIT data.
1963 (allocate_for_life_analysis): Kill. Split into...
1964 (allocate_bb_life_data, allocate_reg_life_data): ... new functions.
1965 (life_analysis_1): Update.
1966 * gcse.c (gcse_main): Update find_basic_blocks call.
1967 * toplev.c (rest_of_compilation): Likewise.
1968 * stupid.c (stupid_life_analysis): Update life data calls.
1969 * rtl.h, output.h: Update prototypes.
1971 Wed Mar 31 12:10:00 1999 Bruce Korb <ddsinc09@ix.netcom.com>
1973 * inclhack.def (several): Added spaces in tests to ensure
1974 correct shell syntax. Added c_asm.h fix from fixincludes.
1975 Also corrected the corrected fix to C++ comments :-}
1977 * inclhack.tpl: Changed method of traversing symlink trees
1978 so that file name matching will work correctly.
1980 * fixincl.c, hackshell.tpl: Fallout from above.
1981 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
1983 Tue Mar 30 10:43:49 1999 Philip Blundell <pb@nexus.co.uk>
1985 * config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
1986 dbxelf.h was previously included.
1987 (CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
1989 * config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
1990 definition from arm.h.
1992 Wed Mar 31 10:33:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1994 * Makefile.in (c-gperf.h): Generate using gperf language 'C', not
1995 'KR-C', so gperf uses the `const' keyword on strings.
1997 * c-parse.gperf (resword): Const-ify a char*.
1999 Wed Mar 31 01:49:31 1999 Ian Lance Taylor <ian@zembu.com>
2001 * t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2003 Wed Mar 31 00:50:48 1999 Jeffrey A Law (law@cygnus.com)
2005 * system.h (STDERR_FILENO): Fix typo.
2007 * inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
2008 * fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.
2010 Tue Mar 30 20:51:40 1999 Mark Mitchell <mark@codesourcery.com>
2012 * alias.c (alias_set_compare): Remove.
2013 (record_alias_subset): Use splay_tree_compare_ints instead of
2015 (init_alias_once): Likewise.
2016 * cse.c: Include splay-tree.h.
2018 (reg_tick): Likewise.
2019 (reg_table): Likewise.
2020 (cse_reg_info): New structure.
2021 (cse_reg_info_free_list): New variable.
2022 (cse_reg_info_tree): Likewise.
2023 (cached_regno): Likewise.
2024 (cached_cse_reg_info): Likewise.
2025 (all_minus_one): Remove.
2026 (consec_ints): Likewise.
2027 (GET_CSE_REG_INFO): New macro.
2028 (REG_TICK): Likewise. Use throughout instead of reg_tick.
2029 (REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
2030 (REG_QTY): Likewise. Use throughout instead of reg_qty.
2031 (get_cse_reg_info): New function.
2032 (free_cse_reg_info): Likewise.
2033 (new_basic_block): Reinitialize cse_reg_info_tree instead of
2034 reg_tick, all_minus_one, and consec_ints.
2035 * Makefile.in (cse.o): Depend on splay-tree.h
2037 Tue Mar 30 13:19:36 1999 Jason Merrill <jason@yorick.cygnus.com>
2039 * libgcc2.c (throw_helper): Just return the SP offset, rather than
2040 a whole udata. Include args_size in the offset.
2041 (__throw, __rethrow): Adjust.
2043 Tue Mar 30 11:39:27 1999 Craig Burley <craig@jcb-sc.com>
2045 * extend.texi (Extended Asm): Delete spurious `b' before
2046 `@end example', which was confusing texi2html.
2048 Tue Mar 30 00:26:34 1999 Jason Merrill <jason@yorick.cygnus.com>
2050 * dwarf2out.c (output_line_info): Don't emit redundant info.
2051 Do start a new row if the file changes and the line # doesn't.
2053 Mon Mar 29 15:48:39 1999 Jason Merrill <jason@yorick.cygnus.com>
2055 * invoke.texi (Invoking G++, C++ Dialect Options): Update.
2057 Mon Mar 29 15:05:39 1999 Richard Henderson <rth@cygnus.com>
2059 * except.c (start_dynamic_handler): Force jmp_buf address to
2060 and operand before moving to memory.
2062 Mon Mar 29 15:11:10 1999 Craig Burley <craig@jcb-sc.com>
2064 * invoke.texi (Code Gen Options): Attempt to clarify
2065 -fcheck-memory-usage. Minor edits to -fprefix-function-name.
2067 Mon Mar 29 20:52:47 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2069 * loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
2072 Mon Mar 29 20:35:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2074 * sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.
2076 Mon Mar 29 11:50:34 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2078 * pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
2080 (HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
2081 (HAVE_POST_DECREMENT): Likewise.
2083 Mon Mar 29 08:24:43 1999 Bruce Korb <korb@datadesign.com>
2085 * fixinc/mkfixinc.sh: Fix portability problems with old shells.
2087 * fixinc/README: Updated for release announcement
2089 Sun Mar 28 20:26:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2091 * recog.h (insn_outfun, insn_operand_predicate): Add prototype
2094 * rtl.h (note_stores): Likewise.
2096 * rtlanal.c (note_stores): Likewise.
2098 Sun Mar 28 15:34:28 1999 Richard Henderson <rth@cygnus.com>
2100 * varasm.c (output_constant_pool): Always mark the constant pool.
2102 Sun Mar 28 16:09:01 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2104 * pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity. Use
2105 shift/mem ops in pa7100LCalu.
2107 * pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
2108 (pa_reorg): Don't call pa_combine_instructions on pa8000.
2110 Sun Mar 28 15:27:26 1999 Jeffrey A Law (law@cygnus.com)
2112 * reload1.c (reload): Remove accidental code duplication.
2114 Sun Mar 28 12:22:12 1999 Robert Lipe (robertlipe@usa.net)
2116 * i386/sysv5.h: New file to describe UnixWare7/SVR5.
2117 * configure.in (i?86-UnixWare7*-sysv): Use it.
2118 * i386/udk.h: Use sysv5.h. Now uses Dwarf-2.
2120 Sun Mar 28 01:15:04 1999 Jeff Law (law@cygnus.com)
2122 * version.c: Bump for snapshot.
2124 Sun Mar 28 00:44:27 1999 Jeffrey A Law (law@cygnus.com)
2126 * sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
2127 one on the fly and do not cache the result.
2129 * gcc.cps, cpp.cps: Delete unwanted files.
2131 Sat Mar 27 23:37:40 1999 John Wehle (john@feith.com)
2133 * i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
2134 * i386.c (output_int_conditional_move): Delete unused code.
2136 Sat Mar 27 21:17:36 1999 David Edelsohn <edelsohn@gnu.org>
2138 * rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.
2140 Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com)
2142 * flow.c (mark_used_regs): Improve handling of ASMs.
2144 1999-03-26 Zack Weinberg <zack@rabi.columbia.edu>
2146 * Makefile.in (xcpp, cppspec.o): New targets.
2147 (CPP_INSTALL_NAME): New macro.
2148 (install-cpp): Install xcpp. Use CPP_INSTALL_NAME.
2149 (all.build, start.encap): Build xcpp.
2151 * cppspec.c: New file, implements argument filtering for a
2152 user-visible C preprocessor.
2155 Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com>
2157 * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.
2159 Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com>
2161 * configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
2162 * configure: Regenerate.
2163 * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
2164 including arm/coff.h
2166 1999-02-16 Scott Bambrough <scottb@corelcomputer.com>
2168 * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
2169 --enable-threads[={yes,pthreads,posix}] is passed as a command
2170 line parameter to configure.
2172 * configure: Regenerate.
2174 * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.
2176 Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2178 * loop.c (combine_givs): Fix index into can_combine when doing
2179 benefit adjustment for remaining givs when having combined a giv.
2181 Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com>
2183 * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.
2185 Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com>
2187 * config/arm/linux-elf.h: Include dbxelf.h
2189 Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com>
2191 * config/svr4.h: Include new header file dbxelf.h.
2192 (DBX_DEBUGGING_INFO): Remove definition.
2193 (DBX_USE_BINCL): Remove definition.
2194 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
2195 (ASM_IDENTIFY_GCC): Remove definition.
2196 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
2197 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
2198 (DBX_FUNCTION_FIRST): Remove definition.
2199 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.
2201 * config/elfos.h: Include new header file dbxelf.h.
2202 (DBX_DEBUGGING_INFO): Remove definition.
2203 (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
2204 (ASM_IDENTIFY_GCC): Remove definition.
2205 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
2206 (ASM_OUTPUT_SOURCE_LINE): Remove definition.
2207 (DBX_FUNCTION_FIRST): Remove definition.
2209 * config/dbxelf.h: New header file.
2210 (DBX_DEBUGGING_INFO): Define.
2211 (DBX_BLOCKS_FUNCTION_RELATIVE): Define.
2212 (DBX_FUNCTION_FIRST): Define.
2213 (DBX_USE_BINCL): Define.
2214 (DBX_CONTIN_LENGTH): Define.
2215 (ASM_IDENTIFY_GCC): Define.
2216 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
2217 (ASM_OUTPUT_SOURCE_LINE): Define.
2218 (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
2220 Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net>
2222 * fold-const.c (fold_truthop): Optimize bitfield references with
2223 different masks as long as their size and bit position are the same.
2225 * fold-const.c (fold_truthop): Build a type for both the lhs and
2226 rhs and use it appropriately.
2228 * fold-const.c (fold_truthop): Mask the lhs and rhs after merging
2229 adjacent bitfield references.
2231 * fold-const.c (fold_truthop): Verify that the lhs and rhs are
2232 in the same bit position when optimizing bitfield references
2233 which have the same mask.
2235 Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
2237 * gcc.texi (Copy Assignment): New node.
2239 1999-03-25 Zack Weinberg <zack@rabi.columbia.edu>
2241 * gcc.c: Compile unconditionally all code formerly dependent
2242 on #ifdef LANG_SPECIFIC_DRIVER.
2243 * gccspec.c: New file with stub lang_specific_driver,
2244 lang_specific_pre_link.
2245 * Makefile.in: Link gccspec.o into xgcc. Add rule to compile
2247 Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com>
2249 * gcc.texi (Temporaries): Update.
2251 Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com>
2253 * combine.c (distribute_notes): Place REG_LABEL also where
2254 REG_EQUAL indicates.
2256 Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com>
2258 * a29k/a29k.h (TARGET_SWITCHES): Add doc strings.
2259 * i960/i960.h (TARGET_SWITCHES): Add doc strings.
2260 * invoke.texi (a29k): Add documentation for -mno-multm option.
2262 Thu Mar 25 14:04:54 1999 Andrew MacLeod <amacleod@cygnus.com>
2264 * rtl.texi (RTX_FRAME_RELATED_P): Add documentation.
2265 * rtl.h (struct rtx_def): Update comment for frame_related field.
2266 (set_unique_reg_note): Declare prototype.
2267 * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from
2268 'dwarf2out_frame_debug' to handle only expressions, and process
2269 component parts of a PARALLEL expression.
2270 (dwarf2out_frame_debug): Process insns only, and call
2271 new function 'dwarf2out_frame_debug_expr' for patterns.
2272 * emit-rtl.c (set_unique_reg_note): New function to add a reg note,
2273 but if there is an existing one, delete it first.
2274 * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note.
2275 * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note.
2276 (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note.
2277 (expand_fix): Use set_unique_reg_note.
2279 Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com>
2281 * tlink.c (symbol_hash_newfunc): Remove redundant call to
2283 (file_hash_newfunc, demangled_hash_newfunc): Likewise.
2285 Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com>
2287 * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128.
2289 1999-03-25 Philip Blundell <pb@nexus.co.uk>
2291 Based on patch from Jim Studt <jim@federated.com>:
2292 * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy
2293 definitions from config/linux.h.
2294 (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1.
2296 Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com>
2298 * loop.c (strength_reduce): Correct a comment.
2300 * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash.
2302 Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de>
2304 * Makefile.in (RANLIB_TEST): Improve test.
2306 Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com>
2308 * combine.c (force_to_mode, case PLUS): Use sign extended mask
2309 when masking the low bits out of a constant.
2311 Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com)
2312 Jeff Law <law@cygnus.com>
2314 * fold-const.c (make_range): If orig_type is unset, set it as soon
2315 as we know the type. Remove now unnecessary set of orig_type for
2318 Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net>
2319 Jeff Law <law@cygnus.com>
2321 * system.h (STDIN_FILENO): Provide default definition if one is not
2322 provided by the system header files.
2323 (STDOUT_FILENO, STDERR_FILENO): Likewise.
2325 * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro.
2326 * collect2.c (main): Use it.
2327 (pexecute_pid): New variable. Holds return value from call to pexecute.
2328 (collect2_execute): Rework to use pexecute instead of fork.
2329 (collect2_wait): Use pwait() instead of wait().
2331 * i386/djgpp.h: Fix typo.
2333 Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com)
2335 * fixinc/mkfixinc.sh: Recognize cygwin* instead of only
2338 Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com>
2340 * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__
2341 versions of attribute names and values.
2342 (m32r_valid_machine_decl_attribute): Likewise.
2343 (m32r_encode_section_info): Likewise.
2345 Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2347 * reload1.c (choose_reload_regs): If output-reloading for a
2348 simple move insn, try to inherit an equivalence for the input.
2350 1999-02-24 Mike Stump <mrs@wrs.com>
2352 * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting.
2354 1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com>
2356 * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all
2359 Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au>
2361 * fold-const.c (fold): Recognize a rotate by an unsigned amount.
2363 Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com)
2365 * pa.md (rotlsi3): New expander. Synthesize a variable rotate
2366 left using a variable rotate right. Provide anonymous pattern for
2367 rotate left by a constant value.
2369 * expr.c (expand_assignment): Do not try to optimize a aggregate
2370 address which has VOIDmode.
2372 Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu>
2373 Donn Terry <donn@interix.com>
2375 * protoize.c (abspath): Preserve multiple leading slashes for
2378 1999-01-23 Mike Stump <mrs@wrs.com>
2380 * arm/vxarm.h: Split out vxWorks support into separate headerfile
2382 * arm/arm.c (cpu_defaults): Allow arm710 as default.
2384 * configure.in: Split out vxWorks support for Arm.
2385 * configure: Rebuilt.
2387 Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com>
2389 * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR.
2391 Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com>
2393 * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string.
2394 * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string.
2396 Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com>
2398 * function.c: Include hash.h.
2399 (insns_for_mem_entry): New struct.
2400 (put_reg_into_stack): Take an optional hash-table mapping MEMs to
2401 the INSNs that use them.
2402 (fixup_var_refs): Likewise.
2403 (put_addressof_into_stack): Likewise.
2404 (purge_addressof_1): Likewise. Keep the hash-table up to date if
2405 we add new instructions.
2406 (fixup_var_refs_insns): Use it to avoid searching the entire
2408 (insns_for_mem_newfunc): New function.
2409 (insns_for_mem_comp): Likewise.
2410 (insns_for_mem_walk): Likewise.
2411 (compute_insns_for_mem): Likewise.
2412 (pop_function_context_from): Pass NULL for the hash-table.
2413 (put_var_into_stack): Likewise.
2414 (gen_mem_addressof): Likewise.
2415 (flush_addressof): Likewise.
2416 (purge_addressof): Call compute_insns_for_mem to pre-compute the
2418 * Makefile.in (OBJS): Include hash.o.
2419 (function.o): Depend on hash.h.
2421 Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com)
2423 * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of
2425 * i386/netbsd.h, i386/freebsd.h: Likewise.
2427 * crtstuff.c: Use ANSI function definitions. Fix minor whitespace
2430 * i386/openbsd.h (TARGET_DEFAULT): Define.
2431 * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD
2433 * configure: Rebuilt.
2435 Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com)
2437 * i386/freebsd.h (TARGET_DEFAULT): Define instead
2438 of TARGET_CPU_DEFAULT.
2439 * i386/netbsd.h (TARGET_DEFAULT): Likewise.
2441 Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2442 Donn Terry <donn@interix.com>
2444 * sdbout.c (syms.h): Don't include on Interix.
2445 * toplev.c (main): No sbrk on Interix.
2447 * configure.in: Add i386-pc-interix support.
2448 * configure: Regenerate.
2449 * fixinc.interix: New file.
2450 * config/interix.h: New file.
2451 * config/x-interix: New file.
2452 * config/xm-interix.h: New file.
2453 * i386/interix.h: New file.
2454 * i386/interix.c: New file.
2455 * i386/t-interix: New file.
2457 Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com)
2459 * i386.h (PREFERRED_STACK_BOUNDARY): Define.
2461 Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com)
2463 * i386.c (ix86_compute_frame_size): New function.
2464 (ix86_prologue, ix86_epilogue): Use it.
2465 * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2466 * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY.
2468 Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com>
2470 * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc
2472 * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise.
2474 Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com>
2476 * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
2477 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
2479 * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother
2480 passing ATTRIBUTES to arm_valid_machine_decl_attribute.
2482 * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing
2483 OUTER_CODE to arm_rtx_costs - it is not used.
2484 (arm_compare_fp): Delete declaration.
2485 (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to
2486 arm_final_prescan_insn - they are not used.
2487 (const_ok_for_op): Remove prototype.
2488 (arm_rtx_costs): Fix prototype.
2489 (arm_valid_machine_decl_attribute): Fix prototype.
2490 (final_prescan_insn): Fix prototype.
2492 * config/arm/arm.md: Remove references to arm_compare_fp.
2494 * config/arm/arm.c (arm_compare_fp): Delete.
2495 (const_ok_for_op): Make function static. Add prototype. Remove
2496 mode parameter - it is unused.
2497 (arm_rtx_costs): Remove outer_code parameter.
2498 (reload_memory_operand): Declare mode parameter unused.
2499 (power_of_two_operand): Declare mode parameter unused.
2500 (equality_operator): Declare mode parameter unused.
2501 (load_multiple_operation): Declare mode parameter unused.
2502 (store_multiple_operation): Declare mode parameter unused.
2503 (multi_register_push): Declare mode parameter unused.
2504 (arm_valid_machine_decl_attribute): Remove attributes parameter -
2506 (select_dominance_cc_mode): Remove op parameter - it is unused.
2507 (gen_compare_reg): Remove fp parameter - it is unused.
2508 (final_prescan_insn): Remove opvec and noperands parameters - they
2511 Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com>
2513 * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis.
2515 Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2517 * reload1.c (reload_as_needed): Set reload_is_output_reload /
2518 reload_has_output_reload for auto_inc expressions that could be
2519 reloaded. Call forget_old_reloads for REG_INC notes.
2521 Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2523 * cse.c (cse_insn): Don't change the result register of a libcall.
2525 Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2527 * rtl.h (shallow_copy_rtx): Declare.
2528 * rtl.c (shallow_copy_rtx): New function.
2529 * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of
2532 Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2534 * config/h8300/h8300.md (adjust_length): New attribute.
2535 (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn
2536 default value of attribute "adjust_length" onto "no".
2538 * config/h8300/h8300.c (h8300_adjust_insn_length): Adjust
2539 length only if the attribute "adjust_length" value is "yes".
2540 Use 0 if the shift is negative.
2542 * final.c (shorten_branches): Check insn length after its
2545 Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com)
2547 * i860.h (TARGET_SWITCHES): Add documentation for default case.
2548 * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case.
2549 * i370.h (TARGET_SWITCHES): Add documentation for default case.
2550 * fx80.h (TARGET_SWITCHES): Add documentation for default case.
2551 * elxsi.h (TARGET_SWITCHES): Add documentation for default case.
2552 * clipper.h (TARGET_SWITCHES): Add documentation for default case.
2553 * 1750a.h (TARGET_SWITCHES): Add documentation for default case.
2554 * pa.h (TARGET_SWITCHES): Add documentation for default case.
2555 (TARGET_OPTIONS): Likewise for default case.
2556 * mn10300.h (TARGET_SWITCHES): Add documentation for default case.
2557 * h8300.h (TARGET_SWITCHES): Add documentation for default case.
2559 * gcse.c (dump_hash_table): Fix whitespace in declaration.
2560 (compute_transpout): Renamed from pre_compute_transpout.
2561 (compute_pre_*): Deleted.
2562 (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All
2564 (insert_insn_end_bb): Renamed from pre_insert_insn.
2565 (pre_*): Delete unused variables. Only leave local properties and
2566 global redundant/optimal computation points.
2567 (alloc_pre_mem, free_pre_mem): Corresponding changes.
2568 (compute_pre_data): Simplify and call pre_lcm to run the lazy
2569 code motion dataflow analysis.
2570 (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM
2571 based redundant and optimal computation points.
2573 * basic-block.h (pre_lcm, pre_rev_lcm): Declare.
2575 * toplev.c (main): A debug option without a level defaults to
2578 Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com>
2580 * flow.c (can_delete_label_p): Do not allow user specified
2581 labels to be deleted.
2582 * dwarf2out.c (gen_label_die): Generate addresses for deleted
2583 (programmer specified) labels.
2584 * dwarfout.c (output_label_die): Generate addresses for deleted
2585 (programmer specified) labels.
2587 1999-03-21 Manfred Hollstein <manfred@s-direktnet.de>
2589 * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be
2592 Sun Mar 21 01:15:03 1999 Jeff Law (law@cygnus.com)
2594 * version.c: Bump for snapshot.
2596 Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2598 * sparc.h (TARGET_SWITCHES): Add null description to default case.
2600 Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2602 * c-lex.c (yylex): Remove unused variable `bytes'.
2604 * flow.c (print_rtl_with_bb): Cast the return value of alloca.
2606 * function.c (assign_parms): Wrap variable `varargs_setup' in
2607 macro SETUP_INCOMING_VARARGS.
2608 (thread_prologue_and_epilogue_insns): Mark parameter `f' with
2611 * local-alloc.c (no_equiv): Likewise for parameter `store'.
2613 * sched.c (schedule_insns): Remove unused variables `insn' and `next'.
2615 * tlink.c (symbol_hash_newfunc, symbol_hash_lookup,
2616 file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc,
2617 demangled_hash_lookup, symbol_push, symbol_pop, file_push,
2618 file_pop, tlink_init, tlink_execute, frob_extension,
2619 obstack_fgets, tfgets, pfgets, freadsym, read_repo_file,
2620 maybe_tweak, recompile_files, read_repo_files,
2621 demangle_new_symbols, scan_linker_output): Add static prototype.
2623 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc):
2624 Make the third argument a `hash_table_key'.
2626 * toplev.c (debug_start_source_file): Mark parameter `filename'
2627 with ATTRIBUTE_UNUSED.
2629 Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2631 * tm.texi (Varargs): Don't split argument of @item across lines.
2633 * invoke.texi: Fix use of @item vs @itemx.
2635 Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2637 * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to
2640 Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2642 * loop.c (check_dbra_loop): Fix debug message.
2644 Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2646 * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end
2647 pattern instead of decrement_and_branch_until_zero pattern.
2649 Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2651 * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation.
2652 * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation.
2654 Fri Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de>
2656 * expr.c (expand_expr): Handle ERROR_MARK much earlier.
2658 Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2660 * cccp.c (create_definition): Cast to U_CHAR* when assigning to one.
2662 * cppfiles.c (read_and_prescan): Likewise.
2663 Start a #define in column 0.
2665 * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one.
2666 (cpp_push_buffer): Likewise for cpp_buffer*.
2667 (do_include): Change the type of `fbeg' and `fend' to unsigned char*.
2668 (do_endif): Cast to char* when assigning to one.
2669 (do_assert): Likewise.
2670 (do_unassert): Likewise.
2671 (cpp_read_check_assertion): Change the type of `name' to U_CHAR*.
2672 Don't do unnecessary cast to char* anymore.
2674 * genrecog.c (make_insn_sequence): Cast to char** when assigning
2675 to one. Cast the first argument of bzero to PTR.
2677 * loop.c (strength_reduce): Remove unused variable `note'.
2679 * reload1.c (new_insn_chain): Cast to struct insn_chain* when
2682 * rtl.c (copy_rtx): Use memcpy instead of bcopy.
2684 Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2686 * calls.c (initialize_argument_information): Mark parameters
2687 `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED.
2689 * dbxout.c (dbxout_start_new_source_file): Likewise for parameter
2691 (dbxout_finish): Likewise for parameters `file' and `filename'.
2692 (dbxout_prepare_symbol): Likewise for parameter `decl'.
2693 (dbxout_begin_function): Likewise.
2695 * explow.c (hard_function_value): Likewise for parameter `func'.
2697 * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'.
2699 * expmed.c (expand_divmod): Omit unused argument to `expand_abs'.
2700 * expr.c (expand_expr): Likewise.
2701 * expr.h (expand_abs): Delete unused argument from prototype.
2702 * optabs.c (expand_abs): Remove unused parameter `unsignedp'.
2704 * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED.
2705 (sdbout_end_block): Likewise for parameter `n'.
2707 * toplev.c (debug_define): Likewise for parameters `lineno' and
2709 (debug_undef): Likewise.
2711 * varasm.c (named_section): Likewise for parameter 'reloc'.
2712 (assemble_external): Likewise for parameter `decl'.
2713 (assemble_alias): Likewise for parameter `target'.
2715 Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2717 * toplev.c (read_integral_parameter): Constify. Better control of
2719 (main): Use read_integral_parameter to set optimize, id_clash_len,
2720 larger_than_size, and the debugging level.
2721 * toplev.h (read_integral_parameter): Update prototype.
2723 Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2725 * system.h: Use putc_unlocked, fputc_unlocked, and
2726 fputs_unlocked only if putc_unlocked has a prototype already.
2727 Prototype fputs_unlocked if necessary.
2728 * configure.in: Check for prototypes of putc_unlocked and
2730 * acconfig.h: Updated.
2731 * config.in, configure: Rebuilt.
2733 Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
2735 * Makefile.in (INTL_TARGETS): New macro.
2736 ($(INTL_TARGETS)): Depend on generated sources; drop dependencies
2737 on cp/parse.c and objc/objc-parse.c.
2738 ($(srcdir)/cp/parse.c): Move to cp/Make-lang.in.
2739 * objc/Make-lang.in ($(INTL_TARGETS)): Depend on objc/objc-parse.c.
2741 Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com)
2743 * i860.h (TARGET_SWITCHES): Add documentation.
2744 * i860/paragon.h (TARGET_SWITCHES): Add documentation.
2745 * i370.h (TARGET_SWITCHES): Add documentation.
2746 * fx80.h (TARGET_SWITCHES): Add documentation.
2747 * elxsi.h (TARGET_SWITCHES): Add documentation.
2748 * clipper.h (TARGET_SWITCHES): Add documentation.
2749 * 1750a.h (TARGET_SWITCHES): Add documentation.
2750 * pa.h (TARGET_SWITCHES): Add documentation.
2751 (TARGET_OPTIONS): Likewise.
2752 * mn10300.h (TARGET_SWITCHES): Add documentation.
2753 * h8300.h (TARGET_SWITCHES): Add documentation.
2755 Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com>
2757 * loop.c (strength_reduce): Do not perform pseudo replacements
2758 if the loop contains volatile memory references.
2760 Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2762 * reload.c (find_reloads_toplev): When processing X recursively,
2763 don't alter it destructively except by filling in constants.
2765 Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * cccp.c (default_include): Initialize structure members.
2768 (pass_thru_directive): Change the type of 'keyword_length' to int.
2769 (main): Cast `bindtextdomain' and `textdomain' to (void).
2771 * collect2.c (main): Likewise.
2773 * cppmain.c (main): Likewise.
2775 * gcc.c (main): Likewise.
2777 * gcov.c (main): Likewise.
2779 * protoize.c (main): Likewise.
2781 * toplev.c (main): Likewise.
2783 1999-03-18 Gavin Romig-Koch <gavin@cygnus.com>
2785 * config/mips/mips.c (mips_explicit_type_size_string): Correct
2788 Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com)
2790 * configure.in: Use "exit 1", not "exit (1)".
2791 * configure: Rebuilt.
2793 Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org>
2795 * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to
2796 `/include' in order to find the system's limits.h.
2798 Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net>
2800 * fixinc/fixincl.c: Include auto-host.h instead of config.h.
2801 * fixinc/procopen.c: Likewise.
2802 * fixinc/regex.c: Likewise.
2803 * fixinc/server.c: Likewise.
2805 Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net.
2807 * config/i386/go32.h: Delete.
2808 * config/i386/djgpp.h: New. Renamed from go32.h.
2809 Added -DDJGPP=2 to CPP_PREDEFINES.
2810 * config/i386/go32-rtems.h: Delete.
2811 * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h.
2812 Added -DDJGPP=2 to CPP_PREDEFINES.
2813 * config/i386/xm-go32.h: Delete.
2814 * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h.
2815 * config/i386/x-go32: Delete.
2816 * config/i386/x-djgpp: New. Renamed from x-go32.
2817 * config/i386/t-go32: Delete.
2818 * config/i386/t-djgpp: New. Renamed from t-go32.
2819 * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h.
2820 Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp.
2821 Set xmake_file to i386/x-djgpp.
2822 (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X
2823 is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be
2825 * configure: Rebuilt.
2827 * gcc.c (process_command): Dump link_command_spec too.
2829 Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com>
2830 Jeff Law <law@cygnus.com>
2832 * pa.md: Add real PA8000 scheduling information.
2834 * pa.h (processor_type): Add PROCESSOR_8000 symbol.
2835 (ISSUE_RATE): Revamp, including PA8000 support.
2836 * pa.c (override_options): Add 8000 as -mschedule= option.
2837 Do not call strcmp if pa_cpu_string is null.
2838 * pa.md (attr cpu): Add 8000.
2839 * invoke.texi: Add documentation for PA8000 scheduling.
2841 Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com>
2843 * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS):
2845 * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
2846 * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise.
2848 Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com>
2850 * flow.c (compute_immediate_dominators): New function.
2851 * basic-block.h (compute_immediate_dominators): Declare it.
2853 * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes
2855 (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs.
2857 Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com>
2859 * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile
2861 * config/arm/arm.md: Fix various compile time warnings.
2862 * config/arm/arm.h: Fix various compile time warnings. Add
2863 function prototypes.
2864 * config/arm/arm.c: Fix various compile time warnings.
2865 (arm_override_options): Reorganize to separate tuning from
2867 (bit_count): New function: Return a count of the number of bits
2870 Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2872 * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for
2873 things that were eliminated.
2875 Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com>
2877 * function.c (fixup_var_refs_1): First try moving the expression
2878 directly into a register. Don't separate cc0 setter and user.
2880 Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com>
2882 * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already.
2884 Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * c-lex.c: Don't include setjmp.h.
2887 (parse_float): New static function.
2888 (pf_args): New struct.
2889 (yylex): Use them in call to `do_float_handler'.
2891 1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2893 * cexp.y (yyerror): Call verror to get a useful error message.
2896 * .gdbinit: Move command to put breakpoint at abort to end of file
2897 so that gdb does not bail out early.
2899 Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com>
2901 * rtl.h: Rename prototype for free_bb_memory to free_bb_mem.
2903 Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2905 * sh.md (movsi_i): Move t/r alternative after r/rI alternative.
2907 Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com>
2909 * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3):
2910 Delete emit_library_call_value declaration.
2912 1999-03-16 Zack Weinberg <zack@rabi.columbia.edu>
2914 * cppfiles.c (read_and_prescan): Map backslash-newline to '\r'
2915 (which cannot otherwise appear in the processed buffer) and
2916 move it out of tokens that it appears in the middle of.
2917 Improve performance.
2918 (find_position): New function.
2920 * cpplib.c: \r (one character) indicates backslash
2921 newline, not \\\n (two characters). It cannot appear in the
2922 middle of a token. Call CPP_BUMP_LINE (pfile) whenever
2923 parsing moves past \n or \r. Increment pfile->lineno whenever
2924 a \n is placed into token_buffer. Only one mark can exist at
2925 a time, and CPP_BUMP_LINE must not be used while it is
2926 active. It is automatically cleared by cpp_pop_buffer and
2927 parse_goto_mark. \r is not in is_hor_space or is_space.
2929 (NEWLINE_FIX, NEWLINE_FIX1, adjust_position,
2930 update_position, count_newlines, parse_move_mark): Removed.
2931 (parse_string, copy_comment): New functions.
2932 (parse_name): Returns void.
2933 (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only
2934 one argument, a cpp_reader *. Change for new marking scheme.
2935 (skip_comment): Handle CHILL line comments too. Second
2936 argument is now first character of comment marker; all callers
2937 changed. Issue error for unterminated block comment here.
2938 (cpp_skip_hspace): Recognize CHILL comments.
2939 (copy_rest_of_line): Likewise. Call skip_comment and
2940 parse_string directly, don't go through cpp_get_token. Emit
2941 "/**/" for block comments if -traditional (create_definition
2943 (do_define): Don't play with put_out_comments.
2944 (cpp_push_buffer): Initialize ->mark to -1.
2945 (cpp_buf_line_and_col): Just read out the values in the buffer
2947 (output_line_command): Use cpp_buf_line_and_col. Fix
2948 formatting. Remove stale code.
2949 (cpp_get_token): Break out string parsing code to
2950 parse_string. Use skip_comment for CHILL comments too. Use
2951 copy_comment for put_out_comments instead of dinking with
2952 marks. Remove stale code. Don't call output_line_command
2953 unless it's necessary.
2955 * cpplib.h (parse_marker): Removed.
2956 (struct cpp_buffer): Line_base is now a unsigned char *; add
2957 `mark' [long], remove `marks' [struct parse_marker *].
2958 (parse_set_mark, parse_clear_mark, parse_goto_mark): Update
2960 (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros.
2961 * cppinit.c (is_hor_space, is_space): '\r' is not considered
2963 * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not
2965 * cpphash.c (macarg): Disable line commands while expanding.
2967 Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com>
2969 * c-lex.c (yylex) : Remove warning for integer literals being
2970 larger than the largest target int. Add warning for integer
2971 literal being larger than than its chosen type.
2973 Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com>
2975 * invoke.texi: Add -mlong32 documentation.
2976 * config/mips/mips.h (mips_explicit_type_size_string): New.
2977 (TARGET_SWITCHES): Add 'long32'.
2978 (TARGET_OPTIONS): Add 'explicit-type-size'.
2979 (CC1_SPECS): Set -mexplicit-type-size.
2980 (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'.
2981 * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'.
2982 * config/mips/mips.c (mips_explicit_type_size_string): New.
2983 (override_options): Use it.
2984 * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size.
2986 * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC):
2987 Pointer size now depends on both size longs and size of GP
2990 Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
2992 * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP,
2993 dtors_section): Use Pmode == DImode rather than TARGET_LONG64.
2994 * config/mips/mips.c (override_options): Allow -mlong64 and
2995 -mint64 with -mips2 or less.
2996 * config/mips/mips.h (MASK_LONG64): Fix comment.
2997 (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64.
2998 (Pmode): Make Pmode the smaller of longs or gp registers.
2999 * invoke.texi: Note the new size for pointers.
3001 Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org>
3003 * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754
3004 bit-pattern directly.
3005 (ASM_OUTPUT_REG_{PUSH,POP}): Delete.
3006 * rs6000.c (first_reg_to_save): If profiling and context needed,
3007 allocate a reg to save static chain for all ABIs. For AIX
3008 profiling, calculate parameter registers to save based on need.
3009 (output_function_profiler): Save and restore static chain around
3010 profile call for all ABIs.
3012 1999-03-15 Zack Weinberg <zack@rabi.columbia.edu>
3014 * cppinit.c: Instead of one pending list, keep separate lists
3015 for each category of pending option: -D/-U, -A, -include,
3016 -imacros. Move the four partial include-path lists into the
3017 pending block. Use head and tail pointers so we don't ever
3018 have to reverse the lists.
3020 (cpp_start_read): Break out blocks of code to their own
3021 functions: install_predefs and initialize_dependency_output.
3022 Use path_include for C_INCLUDE_PATH and friends as well as
3023 CPATH. Remove include_defaults gunk. Warn about the
3024 combination of -lang-chill and -trigraphs. Optimize string
3025 bashing. Walk each pending list once, deallocating as we go.
3027 (append_include_chain): Brought over from cppfiles.c. Mark
3028 dirs as system include dirs if and only if appending to
3029 system include path. If opts->verbose, print a notice when a
3030 dir is dropped from the include path because it doesn't
3031 exist. Fix memory leak: this function is not supposed to copy
3034 (nreverse_pending, push_pending): Removed.
3035 (APPEND): New macro for adding to pending lists.
3036 (path_include): Can now add to any partial include path.
3037 (base_name): Bring over from cccp.c.
3038 (cpp_options_init): Allocate the pending block.
3039 (cpp_handle_option): Add --version. Exit after --help. Fix
3040 formatting. Order -ifoo options by frequency of usage.
3041 (install_predefs): New function, simplified version of code
3042 that was in cpp_start_read.
3043 (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX.
3045 * cppfiles.c (simplify_pathname): Export.
3046 (merge_include_chains): Don't nreverse the lists. If
3047 opts->verbose, print a notice when a duplicate dir is detected
3048 and dropped from the include path.
3049 (finclude): Fix excessive cleverness in setting
3050 fp->system_header_p.
3051 (actual_directory): Set x->sysp from
3052 CPP_BUFFER (pfile)->system_header_p so that one system header
3053 may include another with "".
3054 (deps_output): Fix double adjustment of deps_size which would
3055 cause all dependencies after the first two lines to be lost.
3057 * cpplib.c (cpp_unassert): New function.
3058 * cpplib.h: Lay out struct cpp_pending here. Adjust
3059 prototypes. Add include_prefix_len to struct cpp_options.
3061 Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com>
3063 * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving
3064 from HI/LO/HILO/MD into general registers the same as for one
3065 of moving general registers to HI/LO/HILO/MD.
3067 Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com>
3069 * config/m32r/m32r.c (init_idents): New function. Initialize
3070 static tree nodes for m32r specific attribute identifiers. Remove
3071 leading and trailing double underscores from the attribute names.
3072 (m32r_valid_machine_decl_attribute): Call init_idents.
3073 (m32r_encode_section_info): Call init_idents.
3075 Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com>
3077 * reload.c (find_reloads): Add a REG_LABEL note if we substitute a
3078 LABEL_REF for something else.
3080 Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3082 * fold-const.c (exact_real_inverse): Move variable `float_error'
3083 into the scope where it is used.
3084 (const_binop_1): New static function.
3085 (cb_args): New struct.
3086 (const_binop): Use them in call to `do_float_handler'.
3087 (fold_convert_1): New static function.
3088 (fc_args): New struct.
3089 (fold_convert): Use them in call to `do_float_handler'.
3091 Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3093 * rtlanal.c (auto_inc_p): New function.
3094 * rtl.h (auto_inc_p): Prototype it.
3095 * reload1.c (add_auto_inc_notes): New function.
3096 (reload): Strip REG_INC notes and call add_auto_inc_notes
3097 for each insn to restore them correctly.
3099 1999-03-15 Manfred Hollstein <manfred@s-direktnet.de>
3101 * fixinc/Makefile.in (procopen.o): List the actual
3104 Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3106 * cse.c (check_fold_consts): New static function.
3107 (cfc_args): New struct.
3108 (simplify_relational_operation): Use them in call to
3111 * toplev.c (do_float_handler): New function to wrap calls to
3112 setjmp/set_float_handler.
3114 * toplev.h (do_float_handler): Add extern prototype.
3116 * tree.c (build_real_from_int_cst_1): New static function.
3117 (brfic_args): New struct.
3118 (build_real_from_int_cst): Use them in call to
3121 Sun Mar 14 01:15:06 1999 Jeff Law (law@cygnus.com)
3123 * version.c: Bump for snapshot.
3125 Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
3127 * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
3129 Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
3131 * arm.c (arm_split_constant): Don't try to force a constant to
3132 memory after arm_reorg has run.
3133 (after_arm_reorg): New static variable.
3134 (arm_reorg): Set it.
3135 (output_func_epilogue): Clear it.
3137 Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org>
3139 * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none.
3140 * configure: Rebuilt.
3142 Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3144 * unroll.c (loop_iterations): Don't return a final value for EQ
3147 Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com>
3149 * reload1.c (calculate_needs_all_insns): When ignore equivalence
3150 setting insn, clear need_elim, need_reload, and need_operand_change.
3152 Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com>
3154 * fixinc/fixinc.*: Some changes from the fixincl-branch
3155 were not applied (??!!). Corrected.
3157 * fixinc/Makefile.in: Same thing.
3159 Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com)
3161 * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than
3162 MAX_INTEGER_COMPUTATION_MODE.
3164 Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com>
3166 * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs.
3167 (MODES_TIEABLE_P): Update.
3169 * alpha.md (ev5_e0): Conflict loads and stores.
3171 Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com>
3173 * machmode.h (smallest_mode_for_size): Prototype.
3174 * stor-layout.c (smallest_mode_for_size): Remove static.
3176 Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3178 * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv
3179 conversion if we don't know the lifetime.
3181 Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3183 * reload.1c (delete_address_reloads_1): Check for reloads of
3184 CURRENT_INSN even if it sets DST.
3186 Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com>
3188 * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset.
3189 (print_die, size_of_die, value_format, output_die): Adjust.
3191 Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net>
3193 * dwarf2out.c (TEXT_SECTION_LABEL, DEBUG_LINE_SECTION_LABEL,
3194 DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL,
3195 text_section_label, debug_line_section_label,
3196 debug_info_section_label, abbrev_section_label): New.
3197 (output_compilation_unit_header): Emit label associated
3198 with section instead of section name itself.
3199 (out_pubnames, output_aranges, output_line_info,
3200 dwarf2out_finish): Likewise.
3201 (dwarf2out_init): Build internal label names for sections
3204 Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3206 * sh.md (mulsi3): End mul.l sequence with a no-op move.
3208 Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com>
3210 * Makefile.in: Activated fixinc/mkfixinc.sh.
3211 * configure.in: Activated fixinc/mkfixinc.sh.
3213 Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu>
3215 * cppfiles.c (INO_T_EQ): Handle UWIN.
3217 * c-common.c (decl_attributes): Flag unrecognized attribute
3218 functions as warnings instead of as errors.
3220 Support for i386-pc-uwin.
3221 * i386/uwin.h: New file.
3222 * i386/xm-uwin.h: New file.
3223 * i386/t-uwin: New file.
3224 * i386/uwin.asm: New file.
3225 * configure.in (i[3456]86-*-uwin*): Define.
3226 Add Workaround for vfork bug when hosted on uwin.
3227 * configure: Regenerate.
3229 * cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
3230 (absolute_filename): UWIN uses POSIX pathnames only.
3231 * libgcc2.c (getpagesize): Do not define for UWIN.
3232 (mprotect): Likewise.
3233 * protoize.c (dirent.h): Conditionally include.
3234 (fputc): Prototype only if it's not a macro.
3236 Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com>
3238 * configure.in: Remove init_priority stuff.
3240 1999-03-11 Colin Smith <colin@wrs.com>
3242 * sdbout.c (plain_type_1): Make boolean types work better with sdb.
3244 Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
3246 * gcc.texi: Update bug reporting instructions to match
3247 current ezmlm list reality.
3249 Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3251 * gcc.c (print_file_name, print_prog_name, spec_machine,
3252 read_specs, set_spec, lookup_compiler, build_search_list,
3253 putenv_from_prefixes, find_a_file, record_temp_file,
3254 delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file,
3255 is_directory, validate_switches, used_arg, default_arg,
3256 pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error,
3257 notice, add_preprocessor_option, add_assembler_option,
3258 add_linker_option, process_command, execute,
3259 unused_prefix_warnings, clear_args, fatal_error,
3260 lang_specific_driver, user_specs, compiler, link_command_spec,
3261 option_map, translate_options, make_temp_file, temp_name,
3262 programname, path_prefix, machine_suffix, just_machine_suffix,
3263 gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1,
3264 md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1,
3265 standard_startfile_prefix, standard_startfile_prefix_1,
3266 standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix,
3267 multilib_dir, temp_filename, temp_file, command, switchstr,
3268 infile, outfiles, input_filename, input_basename, input_suffix,
3269 check_live_switch, main): Qualify a char* with the `const' keyword.
3271 Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com)
3274 * Makefile.in (OBJS): Add lcm.o.
3275 (lcm.o): Add dependencies.
3277 * gcse.c (compute_pre_local_properties): Delete.
3278 (compute_pre_data): Use compute_local_properties instead of
3279 compute_pre_local_properties.
3281 * gcse.c: More comments, whitespace and similar fixes.
3282 (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete.
3283 (dump_pre_data, compute_cprop_local_properties): Likewise.
3284 (one_classic_gcse_pass): Lose unused argument. All callers changed.
3285 (compute_hash_table, compute_expr_hash_table): Likewise.
3286 (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise.
3287 (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS.
3288 All callers changed. Only alter jumps if ALTER_JUMPS is nonzero.
3289 Lose unused argument.
3290 (gcse_main): Always run a cprop pass after finishing global cse.
3291 (compute_local_properties): New function.
3292 (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen.
3293 (compute_cprop_data): Use compute_local_properties.
3295 * gcse.c: Update various comments.
3296 (current_function_calls_longjmp): Delete declaration.
3298 * gcse.c (run_jump_opt_after_gcse): New variable.
3299 (gcse_main): Returns an integer.
3300 (hash_scan_set): Record initializations from CONST_DOUBLEs too.
3301 (try_replace_reg): Update some comments.
3302 (cprop_insn): Allow propagation into some JUMP_INSNs too.
3303 * rtl.h (gcse_main): Update prototype.
3304 * toplev.c (rest_of_compilation): If gcse_main returns nonzero,
3305 then run a jump optimization pass.
3306 * jump.c (delete_barrier_successors): Delete nop jumps too.
3308 Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3310 * sh.c (fp_arith_reg_operand): Actually test if reg is suitable
3311 for FP arithmetic. Changed caller.
3312 * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand.
3314 Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3316 * reload1.c (choose_reload_regs): When inheriting from the frame
3317 pointer, don't clobber it.
3319 Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com>
3321 * fixinc/fixinc.*: Resync-ed with the files in this
3324 * fixinc/mkfixinc.sh: The machine case elements were
3325 out-of-order. (the ix86-*-linux-gnu* entry needed to
3328 Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3330 * reload1.c (reload_combine_note_store): Fix calculation of number
3331 of affected registers.
3333 Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com>
3335 * flow.c (tidy_fallthru_edge): Be more careful finding the last
3336 BARRIER of a list. Delete the cc0 setter as well as a cond jump.
3338 Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com>
3340 * i386.md (ashlsi3 splitter): Fix typo in last change.
3342 Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com>
3344 * reg-stack.c (stack_reg_life_analysis): Use returnjump_p
3345 instead of an explicit test for RETURN.
3347 Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H).
3351 * toplev.c: Include basic-block.h.
3353 Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com)
3355 * calls.c (load_register_parameters): New function.
3356 (expand_call): Use it.
3358 * calls.c (expand_call): Slightly reorganize code.
3360 * calls.c (compute_argument_addresses): New function.
3361 (rtx_for_function_call): New function.
3362 (expand_call): Use them.
3364 * i386.md (zero_extendhisi2): Split into an expander and anonymous
3365 pattern. Add new anonymous pattern for use when optimizing for
3366 size or for the PPro.
3367 (zero_extendqihi2, zero_extendqisi2): Likewise.
3369 Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com>
3371 * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber
3372 dependencies to sets in the non-hard-reg case too.
3374 Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org>
3376 * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define.
3378 Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com>
3380 * local-alloc.c (combine_regs): Don't combine if we have a hard reg
3381 for which CLASS_LIKELY_SPILLED_P is true.
3383 * unroll.c (loop_iterations): Only call loop_find_equiv_value if we
3384 have a REG or SUBREG.
3386 Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com)
3388 * i386.md (ashlsi3): Revise comments. Provide new anonymous
3389 pattern for Pentium and PPro/PII. Reverse constraints in
3390 generic ashlsi3 anonymous pattern.
3392 * calls.c (initialize_argument_info): Accept a pointer to
3394 (expand_call): Pass the address of CUMULATIVE_ARGS.
3396 * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0.
3398 * mn10300.h (CASE_DROPS_THROUGH): Delete.
3399 * mn10200.h (CASE_DROPS_THROUGH): Delete.
3400 * h8300.h (CASE_DROPS_THROUGH): Delete.
3402 * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure
3403 to also delete the cc0 setter when deleting a conditional branch
3406 Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3408 * regmove.c (copy_src_to_dest): New argument max_old_uid.
3410 Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com>
3412 * ChangeLog: Merged entries from fixincl-branch.
3414 Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com>
3416 * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far.
3417 (print_exp): Special case addition of a constant.
3418 (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX.
3420 Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com>
3422 * haifa-sched.c (reg_last_clobbers): New.
3423 (reg_pending_clobbers, bb_reg_last_clobbers): New.
3424 (compute_block_backward_dependences): Allocate memory for them.
3425 (schedule_region): Likewise.
3426 (sched_analyze_1): Clobbers don't interfere with one another.
3427 They do interfere with sets ...
3428 (sched_analyze_2): ... and uses.
3429 (sched_analyze): Likewise.
3430 (sched_analyze_insn): Update reg_last_clobbers appropriately.
3432 Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3434 * gmon-sol2.c: Include config.h and system.h. Don't redundantly
3435 include system header files.
3437 (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype.
3438 (_mcleanup): Add the `const' keyword to a char*.
3439 (internal_mcount): Declare `etext' as a char[] not a function.
3440 Cast `etext' to char* when calling `monstartup'.
3442 * sparc.c (frame_base_name, save_regs, restore_regs,
3443 build_big_number, sparc_cmodel_string, sparc_align_loops_string,
3444 sparc_align_jumps_string, sparc_align_funcs_string, code_model,
3445 cpu_default, cpu_table, output_function_prologue,
3446 output_function_epilogue, output_return,
3447 sparc_flat_output_function_prologue, ultra_code_names,
3448 sparc_flat_output_function_epilogue): Constify a char*.
3449 (hypersparc_adjust_cost): Add a default case in a switch.
3451 * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS,
3452 sparc_cpu_select, sparc_align_loops_string,
3453 sparc_align_jumps_string, sparc_align_funcs_string,
3454 output_return): Constify a char*.
3456 * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT
3457 so that we check "== 32", instead of "!= 64". Cast a value to
3458 HOST_WIDE_INT when comparing against one. Hide the declaration
3459 for variable `chain'.
3461 Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3463 * system.h (const, inline): Move the stage2 handling of these
3464 keywords-as-macros from here...
3466 * gansidecl.h (const, inline): ...to here.
3468 Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com>
3470 * recog.c (push_operand, pop_operand): VOIDmode needn't match modes.
3472 Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com>
3474 * cse.c (canon_hash): Never reject hard regs in CCmode.
3476 Sun Mar 7 01:15:04 1999 Jeff Law (law@cygnus.com)
3478 * version.c: Bump for snapshot.
3480 Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com)
3481 Richard Henderson <rth@cygnus.com>
3483 * flow.c (make_edges): Handle casesi that jump to default branch.
3484 If CASE_DROPS_THROUGH, force fallthru to block after casesi.
3486 Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3488 * c-aux-info.c (data_type, affix_data_type, gen_decl,
3489 gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type):
3490 Qualify a char* with the `const' keyword.
3492 * c-common.c (declare_hidden_char_array, add_attribute, if_elt,
3493 declare_function_name, decl_attributes, format_char_info,
3494 check_format_info, binary_op_error): Likewise.
3496 * cexp.y (yyerror, error, pedwarn, warning, token): Likewise.
3498 * gcse.c (dump_hash_table): Likewise.
3500 * integrate.c (function_cannot_inline_p): Likewise.
3502 * optabs.c: Include insn-config.h earlier.
3503 (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs):
3504 Qualify a char* with the `const' keyword.
3506 * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe,
3507 asctoeg, mtherr, ereal_atof): Likewise.
3509 * real.h (ereal_atof): Likewise.
3511 * sbitmap.c (dump_sbitmap_vector): Likewise.
3513 * sbitmap.h (dump_sbitmap_vector): Likewise.
3515 * stmt.c (nesting, n_occurrences, expand_start_case): Likewise.
3517 * toplev.c (rest_of_compilation): Likewise.
3519 * tree.h (function_cannot_inline_p, expand_start_case): Likewise.
3521 Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org>
3523 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do
3524 not overwrite AIX link register save area.
3526 Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3528 * reload.c (find_reloads_subreg_address): Actually create the USE
3529 for the register, not the new memory location.
3531 Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3533 * reload1.c (emit_reload_insns): If pseudo that can't be replaced
3534 with its equivalent constant, fall back to reload_in.
3536 Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com>
3538 * Makefile.in: Delete .flow2 debugging files.
3540 Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com>
3542 * config/arm/arm.c (arm_override_options): Change default target
3543 cpu selection so that enabling TARGET_APCS_32 does not override
3546 Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3548 * sh.h (SLOW_BYTE_ACCESS): Define to 1.
3549 (BOOL_TYPE_SIZE): Define.
3551 Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com)
3553 * function.c (assign_stack_temp_for_type): Abort
3554 if mode == Blkmode and align is less than
3555 BIGGEST_ALIGNMENT / BITS_PER_UNIT.
3556 (assign_stack_temp_for_type): Round the size parameter
3557 passed to assign_stack_local instead of size itself.
3559 Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com>
3561 * flow.c (delete_unreachable_blocks): Mark blocks as they
3562 are put on to the worklist, not as they are taken off.
3564 Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com)
3566 * function.c (current_function_has_computed_jump): Remove duplicate
3569 Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com>
3571 * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef.
3572 (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string.
3574 * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL,
3575 MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef.
3576 (INIT_SUBTARGET_OPTABS): Define to empty.
3578 Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3580 * sh.c (force_into): New function.
3581 (expand_block_move): Use it.
3583 Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com>
3585 * cccp.c (struct default_include): Add 'included' field.
3586 (main): Set 'included' field when a default include directory
3587 is added to the chain. If -v is specified list all default
3588 include directories which do not get appended to the chain.
3590 Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com>
3592 * configure.in (gxx_include_dir): Rename to
3593 gcc_gxx_include_dir in order to prevent it being overridden by
3594 a top level Makefile.
3595 (gcc_tooldir): If $exec_prefix != $prefix then use the
3596 difference between the two as the basis for gcc_tooldir.
3598 * configure: Rebuild.
3600 * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir.
3602 Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3604 * unroll.c (copy_loop_body): Don't make extra copies of
3605 NOTE_INSN_LOOP_CONT notes.
3607 Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com>
3609 * tree.c (save_tree_status): Don't treat functions with no context
3612 Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net>
3614 * Makefile.in (MAKEINFO): Use makeinfo built from sibling
3615 tree when available.
3617 Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3619 * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string,
3620 alpha_fprm_string, alpha_fptm_string, alpha_mlat_string,
3621 current_function_file): Add the `const' keyword.
3622 (normal_memory_operand): Mark parameter `mode' with
3624 (alpha_expand_unaligned_load): Add a default case to a switch.
3626 * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string,
3627 alpha_tp_string, alpha_mlat_string): Add the `const' keyword.
3628 (normal_memory_operand): Add prototype.
3630 * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when
3631 comparing against one.
3633 Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3635 * mips.c (abort_with_insn): Make function static, add a prototype,
3636 constify 2nd parameter and mark with ATTRIBUTE_NORETURN.
3637 (current_function_file, mips_cpu_string, mips_isa_string,
3638 mips_abi_string, mips_no_mips16_string, mips_entry_string,
3639 mips_move_1word, mips_move_2words, output_block_move, load_store,
3640 override_options, make_temp_file, mips16_fp_args): Qualify a char*
3641 with the `const' keyword.
3643 * mips.h (current_function_file, mips_cpu_string, mips_isa_string,
3644 mips_abi_string, mips_entry_string, mips_no_mips16_string,
3645 mips_move_1word, mips_move_2words, output_block_move): Likewise.
3646 (abort_with_insn): Remove extern prototype.
3648 * mips.md: Qualify a char* with the `const' keyword.
3649 Remove many unused variables named `label'.
3651 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
3653 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
3655 (install-cpp, uninstall-cpp): New targets.
3656 (install-normal): Depend on $(INSTALL_CPP).
3657 (uninstall): Depend on $(UNINSTALL_CPP).
3658 * configure.in (cpp_install_dir): New, substitute.
3659 (tmake_file): Added t-install-cpp for --enable-cpp.
3660 * configure: Rebuilt.
3661 * cpp.sh: New cpp script.
3662 * config/t-install-cpp: New target fragment.
3664 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3665 Jeffrey A Law (law@cygnus.com)
3667 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
3669 (cse_insn): Avoid creating a bogus REG_EQUAL note for
3670 (const (minus (label) (label)))
3671 (record_jump_cond): Fix mismatched paren in comment.
3673 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
3675 * final.c (end_final): There are 11 words in the "main header"
3678 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
3680 * extend.texi: Reference __extension__ in the index.
3682 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
3684 * Makefile.in (CROSS_FLOAT_H): Delete.
3685 (FLOAT_H): Use float_h_file.
3686 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
3688 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
3689 (mostlyclean): Delete gloat.h reference.
3690 (install-cross-rest, install-float-h-cross, stmp-headers): Update
3692 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
3693 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
3694 (float_h_file): Set from float_format. Substitute into Makefile.in.
3695 (float_format): No longer substitute into Makefile.in.
3696 * cross-make (FLOAT_H): Delete.
3697 * config/mips/t-cross64 (FLOAT_H): Delete.
3698 * configure: Rebuilt.
3700 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
3702 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
3703 insn to be an INSN before looking at its pattern.
3705 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
3707 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
3708 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
3709 HImode reg when TARGET_5200.
3711 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3713 From Toshiyasu Morita:
3714 * sh.h (CACHE_LOG): SH2 has cache, too.
3716 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
3718 * toplev.c (compile_file): Disable -ffunction-sections and
3719 debugging warning if the object format is elf.
3721 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
3723 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
3724 when the data in 8-bit area and can not be addressed by 8-bit.
3726 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
3728 * flow.c (create_basic_block): Disregard integrated bb notes.
3730 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
3732 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
3734 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
3736 * config/i386/t-sco5gas (crti.o): New target.
3738 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org>
3740 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
3741 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
3742 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
3743 load_multiple, allocate_stack, call_indirect_aix32,
3744 call_indirect_aix64, call_value_indirect_aix32,
3745 call_value_indirect_aix64, call_indirect_nt,
3746 call_value_indirect_nt): Use gpc_reg_operand instead of
3749 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
3751 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
3752 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
3754 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
3755 allow andi. or andis. which always set cr0.
3757 Sun Feb 28 01:15:04 1999 Jeff Law (law@cygnus.com)
3759 * version.c: Bump for snapshot.
3761 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
3763 * invoke.texi: Update information for PA scheduling.
3765 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
3766 Mike Stump <mrs@wrs.com>
3768 * pa.c (override_options): Change default to 7100LC.
3770 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
3771 float regs before right half of float regs.
3773 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
3774 Jeffrey A Law (law@cygnus.com)
3776 * frame.h: Update some comments.
3777 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
3778 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
3779 using TARGET_WEAK_ATTRIBUTE.
3780 (__do_global_dtors_aux): Check if __deregister_frame_info is
3781 zero before calling it.
3782 (__do_global_dtors): Likewise.
3783 (frame_dummy): Check if __register_frame_info is zero before
3785 (__frame_dummy): Likewise.
3787 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
3789 * SERVICE: Update from the FSF.
3791 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
3793 * config/i386/t-sco5 (crti.o): New target.
3794 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
3796 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
3798 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
3800 * md.texi (prologue,epilogue): Document named patterns.
3802 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
3804 * md.texi, invoke.texi: Fix unterminated @xrefs.
3806 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
3808 * genattrtab.c (simplify_knowing): Fix uninitialized read
3811 * genextract.c (main): Clear recog_operands before extracting.
3813 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
3815 * c-pragma.c (add_weak); Delete. Moved into...
3816 * varasm.c (add_weak): New external function.
3817 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
3818 the list of weak functions.
3819 * c-pragma (add_weak): Declare.
3821 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
3823 Flow rewrite to use basic block structures and edge lists:
3825 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
3826 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
3827 (struct edge_def): New.
3828 (struct basic_block_def): New.
3829 (basic_block_info): New.
3830 (BLOCK_HEAD, BLOCK_END): Update.
3831 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
3832 (uid_block_number): Kill.
3833 (basic_block_for_insn, BLOCK_FOR_INSN): New.
3834 (BLOCK_NUM): Update.
3835 * flow.c (XNMALLOC): Kill.
3836 (max_uid_for_flow): Kill.
3837 (uid_block_number): Kill.
3838 (uid_volatile): Turn into a bitmap.
3839 (SET_INSN_VOLATILE): New.
3840 (basic_block_info): New.
3841 (entry_exit_blocks): New.
3842 (x_basic_block_head, x_basic_block_end): Kill.
3843 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
3844 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
3845 (basic_block_loop_depth): Kill.
3846 (basic_block_for_insn): New.
3847 (find_basic_blocks): Split out initial block counting into
3848 count_basic_blocks. Call functions split out of find_basic_blocks_1.
3849 (count_basic_blocks): New.
3850 (find_basic_blocks_1): Split out edge recognition, unreachable
3852 (create_basic_block): New.
3853 (compute_bb_for_insn): New.
3855 (free_bb_memory): Kill.
3856 (add_edge, add_edge_to_label): Kill.
3857 (mark_label_ref): Kill.
3858 (make_edges): Rewrite to use edge lists.
3859 (make_edge, make_label_edge): New.
3860 (mark_critical_edges): New.
3861 (split_edge, insert_insn_on_edge): New.
3862 (commit_one_edge_insertion, commit_edge_insertions): New.
3863 (delete_unreachable_blocks): Rewrite to use edge lists.
3864 Split out EH region manipulation into delete_eh_regions.
3865 Call tidy_fallthru_edge and merge_blocks.
3866 (delete_eh_regions): New.
3867 (delete_note_p): New.
3868 (delete_insn_chain): New.
3869 (delete_block): Split out code into delete_insn_chain and
3870 tidy_fallthru_edge. Update edge lists.
3871 (expunge_block): New.
3872 (flow_delete_insn): New?
3873 (can_delete_label_p): New?
3874 (merge_blocks_nomove, merge_blocks): New.
3875 (tidy_fallthru_edge): New.
3876 (calculate_loop_depth): New.
3877 (life_analysis): Allocate and free uid_volatile.
3878 (free_basic_block_vars): Update for new structures.
3879 (record_volatile_insns): Use SET_INSN_VOLATILE.
3880 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
3881 (mark_used_regs): Likewise.
3882 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
3883 local_set regsets. Use bb->aux to store new_live_at_end. Begin
3884 life propagation from EXIT_BLOCK rather than last block. Clear
3885 regs_ever_live after mark_regs_live_at_end.
3886 (allocate_for_life_analysis): Update for new structures.
3887 (propagate_block): Split out loop depth calculation to
3888 calculate_loop_depth.
3889 (regno_uninitialized): Use bb->global_live_at_start.
3890 (regno_clobbered_at_setjmp): Likewise.
3891 (dump_bb_data): Likewise.
3892 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
3893 (dump_flow_info): Update for new structures.
3894 (dump_edge_info): New.
3895 (print_rtl_with_bb): Update for new structures.
3896 (compute_preds_succs): Do no work -- convert edge lists.
3897 (set_block_for_insn): From corpse of old set_block_num.
3898 (set_block_num): Call it.
3900 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
3901 * rtl.h (rtunion_def): Add bb entry.
3902 (NOTE_BASIC_BLOCK): New.
3903 (NOTE_INSN_BASIC_BLOCK): New.
3905 * varray.h (varray_data_tag): Add bb entry.
3906 (VARRAY_BB_INIT, VARRAY_BB): New.
3908 * emit-rtl.c (emit_label_before): New.
3910 * except.c (expand_rethrow): Delete insns following the call to
3911 rethrow. Put the REG_EH_RETHROW on the call.
3913 * jump.c (returnjump_p, returnjump_p_1): New.
3915 * expr.h (nonlocal_goto_handler_labels): New declaration.
3916 * function.c (nonlocal_goto_handler_labels): Define it.
3917 (push_function_context_to): Save it.
3918 (pop_function_context_from): Restore it.
3919 (init_function_start): Clear it.
3920 (nonlocal_label_rtx_list): Kill.
3921 * function.h (struct function): Add storage space for it.
3922 * stmt.c (expand_nl_handler_label): Return the new label.
3923 (expand_nl_goto_receivers): Collect a list of them in
3924 nonlocal_goto_handler_labels.
3926 * Makefile.in (print-rtl.o): Depend on basic-block.h.
3927 (flow.o): Depend on insn-flags.h.
3929 * function.c (thread_prologue_and_epilogue_insns): Do not
3930 half-heartedly update bb structures.
3932 * toplev.c: Add flow2 dump as -dw.
3933 (rest_of_compilation): Finish .greg before flow2.
3935 * graph.c (draw_edge): Handle class 3.
3936 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
3937 change non-fall-thru but adjacent to green class 3. Update
3938 to use new structures.
3940 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
3942 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
3944 (reg_to_stack): Initialize block_num to -1.
3946 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
3947 to basic_block_live_at_start to bb->global_live_at_start.
3948 (try_combine): Likewise.
3949 (reg_dead_at_p): Likewise.
3950 * global.c (global_conflicts): Likewise.
3951 Handle stack regs on all abnormal edges, not just computed jumps.
3952 (mark_elimination): Update reference to basic_block_live_at_start.
3953 (build_insn_chain): Likewise.
3954 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
3955 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
3956 of nonlocal_label_rtx_list.
3957 (check_live_1): Update reference to basic_block_live_at_start.
3958 (update_live_1): Likewise.
3959 (find_pre_sched_live): Likewise.
3960 (find_post_sched_live): Likewise.
3961 * local-alloc.c (update_equiv_regs): Likewise.
3962 (block_alloc): Likewise.
3963 * reload1.c (reload, reload_combine): Likewise.
3964 * regmove.c (mark_flags_life_zones): Likewise.
3965 * resource.c (mark_target_live_regs): Likewise.
3966 * sched.c (schedule_block): Likewise.
3968 * regclass.c (regset_release_memory): Don't free
3969 basic_block_live_at_start.
3971 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
3973 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
3975 * fixinc.wrap: Also handle struct queue in sys/stream.h.
3976 * fixinc.svr4: Likewise.
3978 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
3979 rather than asserting it.
3981 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3983 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
3984 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
3985 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
3987 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
3988 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
3989 scan-decls.o): Don't depend on machmode.h.
3991 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
3992 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
3994 * cppfiles.c: Likewise.
3996 * cpplib.c: Likewise.
3998 * cpplib.h: Likewise. Also don't include machmode.h anymore.
4000 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
4002 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
4003 * objc/lang-specs.h: Likewise.
4005 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
4007 * pa.md (call patterns): Lose unused argument to output_call.
4009 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
4011 1999-02-25 Zack Weinberg <zack@rabi.columbia.edu>
4013 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
4014 first argument. All callers changed.
4016 (cpp_lookup, cpp_install): Change all refs to hashtab to
4018 (cpp_hash_cleanup): Removed.
4019 * cpphash.h: Adjust prototypes.
4020 * cpplib.h (struct cpp_reader): Add hashtab pointer.
4021 * cppinit.c (cpp_reader_init): Also allocate space for the
4023 (cpp_cleanup): Delete all macros and free the hashtab.
4025 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4027 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
4030 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
4031 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
4032 * calls.c (expand_call): Likewise.
4034 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
4036 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
4037 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
4038 arguments in registers.
4039 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
4040 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
4043 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4045 * cse.c (dump_class): Revert last change and make the prototype
4048 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4050 * rtl.h (insn_first_p): Don't declare.
4051 * rtlanal.c (insn_first_p): Delete.
4052 * loop.c (loop_insn_first_p): Faster implementation.
4054 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
4056 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
4057 (TARGET_3, TARGET_6): Delete.
4058 (ARM_FLAG_ARM[36]): Delete.
4059 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
4060 (CC1_SPEC): Don't expand -m[236] into new equivalents.
4061 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
4062 * arm.c (arm_override_options): Delete warnings about deprecated
4065 * arm.c (arm_finalize_pic): Build the label into the special pic
4066 adjustment insn instead of issuing it separately.
4067 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
4070 * arm.md (*zeroextractqi_compare0_scratch): Delete.
4071 (*ne_zeroextractsi): New pattern.
4073 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4075 * stmt.c (expand_end_loop): Grok code emitted by
4076 expand_exit_loop_if_false.
4078 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
4080 * config/arm/arm.c (return_in_memory): Float fields in unions
4081 force a return in memory.
4082 (load_multiple_sequence): Add comment explaining why two LDR
4083 instructions can be better than an LDMIA instruction.
4085 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
4086 describing the real meaning of this option.
4087 (FIXED_REGISTERS): Default r10 to not-fixed.
4088 (CALL_USED_REGISTERS): Default r10 to not-call-used.
4089 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
4091 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
4092 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
4093 performing other checks.
4095 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
4096 (extendhisi2): Undo previous change.
4097 Also add comments describing why TARGET_SHORT_BY_BYTES can be
4098 ignored for armv4(t) architectures.
4100 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
4103 * config/arm/riscix1-1.h
4104 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
4106 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4108 * cse.c (dump_class): Make the function definition static to match
4111 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
4113 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
4115 * dwarf2out.c (add_location_or_const_value_attribute): Add big
4116 endian correction for parms passed in regs but living on the stack.
4118 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
4120 * calls.c (initialize_argument_information): New function extracted
4122 (expand_call): Use initialize_argument_information. Remove variables
4123 which are no longer used due to cleanups.
4125 * calls.c (compute_argument_block_size): New function, extracted from
4127 (expand_calls): Use compute_argument_block_size. Delete
4128 original_args_size, use unadjusted_args_size instead.
4130 * calls.c (precompute_arguments): New function, extracted from
4132 (expand_call): Use precompute_arguments.
4134 * calls.c (finalize_must_preallocate): New function, extracted from
4136 (expand_call): Use finalize_must_preallocate.
4138 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
4140 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
4141 An alternative always fails if it needs a pseudo and no suitable
4142 register class can be found.
4144 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4146 * loop.h (loop_insn_first_p): Declare.
4147 * loop.c (loop_insn_first_p): No longer static.
4148 * unroll.c (iteration_info): Fix comparison to
4149 reg_iv_type->num_elements.
4150 Before accessing reg_biv_class, check index against
4151 max_reg_before_loop.
4152 Fix and enable code for giv iterators.
4153 (loop_iterations): Compare with reg_iv_type->num_elements instead
4154 of with max_reg_before_loop.
4156 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4158 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
4160 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4162 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
4163 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
4165 Tue Feb 23 16:24:19 1999 Marc Lehmann <pcg@goof.com>
4167 * config/i386/i386.md: Fix typo.
4169 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
4171 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
4172 frame_pointer_needed adjust frame size.
4173 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
4174 in .frame pseudo-op.
4175 Frm Jim Wilson <wilson@cygnus.com>:
4176 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
4177 when TARGET_MIPS16 && frame_pointer_needed.
4179 1999-02-22 Nick Clifton <nickc@cygnus.com>
4181 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
4182 Add -mno-sched command line switch to disable scheduling of
4183 instructions into the function's prologue.
4184 (enum processor_type): Remove.
4185 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
4186 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
4187 fields with 'processors' field.
4188 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
4189 checking is not enabled.
4190 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
4192 * config/arm/arm.c (arm_cpu): Remove.
4193 (tune_flags): Remove.
4194 (arm_is_strong): New variable: true iff the target processor is a
4196 (arm_is_6_or_7): New variable: true iff the target processor is an
4198 (arm_select): Fields reorganised.
4199 (struct processors): processor_type field removed.
4200 (all_procs): Remove.
4201 (all_cores): New array: Definitions of all known ARM cpu cores.
4202 (all_architectures): New array: Definitions of all known ARM
4205 (FL_SCHED): New processor flag: processor required load
4207 (FL_STRONG): New processor flag: processor is a StrongARM.
4208 (arm_override_options): Reorganized to make code clearer.
4209 (use_return_insn): Test for "not (TARGET_APCS and
4210 frame_pointer_needed)".
4211 (arm_return_in_memory): Improve handling of structures.
4213 * config/arm/arm.md: Remove "cpu" attribute. Replace with
4214 "is_strongarm" and "is_arm_6_or_7" attributes.
4215 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
4217 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
4219 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
4221 1999-02-22 Philip Blundell <philb@gnu.org>
4223 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
4224 definition with one including cache synchronization.
4225 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
4226 Move definition of inhibit_libc to...
4227 * config/arm/xm-linux.h: ... here.
4229 * config/arm/t-linux: Disable multilib configurations since the
4230 only effect for most people is to cause builds to fail.
4232 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
4233 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
4235 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
4236 (HANDLE_SYSV_PRAGMA): Likewise.
4237 (LIB_SPEC): Copy definition from generic Linux files.
4238 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
4239 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
4240 (DWARF2_DEBUGGING_INFO): Define.
4241 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
4243 Mon Feb 22 16:54:18 1999 Andrew MacLeod <amacleod@cygnus.com>
4245 * loop.c (libcall_other_regs): Make extern.
4246 * rtl.h (find_last_value): Add parameter to prototype.
4247 (libcall_other_reg): Add extern declaration.
4248 * rtlanal.c (find_last_value): Add another parameter to allow
4249 a definition using a hardware register to be found as well.
4251 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
4253 * cse.c (dump_class): New function.
4254 (invalidate_memory): Fix typo in comment.
4255 * function.c (temp_slot): Add an alias set field.
4256 (assign_stack_temp): Only reuse slots if they will have the
4257 same alias set as before.
4258 (combine_temp_slots): Don't combine if -fstrict-aliasing;
4260 * rtl.c (copy_rtx): Copy all the flags (in particular,
4263 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4265 * configure.in (i[34567]86-*-linux-gnu*,
4266 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
4267 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
4270 * configure: Rebuilt.
4272 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
4275 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
4277 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
4278 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
4279 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
4282 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
4284 * objc/objc-act.c (encode_type): Temporary revert to the old
4285 behavior of encoding types as the new one seems to break the
4286 encoding of bitfields.
4288 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
4289 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
4291 * Makefile.in (all.internal, all.cross): Depend on `doc'
4292 target, to ensure docs get made before installation.
4294 Decrease spurious warnings from -fsyntax-only:
4295 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
4297 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
4299 * c-lex.c (yylex): Replace warning about integer constants being
4300 larger than long-longs, with a warning about integer constants
4301 being larger than the largest target integer.
4303 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
4305 Fix -fsyntax-only ICEs:
4306 * varasm.c (assemble_zeros, assemble_variable,
4307 output_constant_def): Do nothing when -fsyntax-only.
4309 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
4311 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
4312 * configure: Rebuilt.
4314 Sun Feb 21 20:34:44 1999 Jeff Law (law@cygnus.com)
4316 * version.c: Bump for snapshot.
4318 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
4320 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
4321 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
4322 * tm.texi: Update docs for constructors and destructors.
4324 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
4326 * genattrtab.c (check_attr_value): Allow negative const_int if
4327 negative_ok. Accept integral arithmetic operators. Accept
4328 direct references to other attributes. Accept symbol_ref in
4329 non-constant attributes.
4330 (max_attr_value): Add new argument `unknownp'. Update all callers.
4331 (or_attr_value): Likewise.
4332 (simplify_knowing): Don't optimize if max_attr_value unknown.
4333 (write_length_unit_log): Likewise with or_attr_value.
4334 (find_and_mark_used_attributes): Don't fallthru case.
4335 (write_attr_set): Pass thru all non-cond expressions.
4336 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
4338 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4340 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
4342 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
4344 * regmove.c (discover_flags_reg): Remove cc0 code.
4345 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
4346 a potential flags register was identified.
4348 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4350 * rs6000.md (scc plus ltu): Fix typo in last change.
4352 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
4354 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
4356 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
4358 * regmove.c (discover_flags_reg): New function.
4359 (flags_set_1, mark_flags_life_zones): New functions.
4360 (regmove_optimize): Call them.
4361 (fixup_match_1): Use insn modes rather than sets_cc0_p.
4363 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4365 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
4367 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
4368 Use loop_insn_first_p.
4370 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
4371 David Edelsohn <edelsohn@gnu.org>
4373 * rs6000.md (scc plus eq): Fix output template.
4374 (scc plus ltu): Fix output template and collapse variants
4375 correcting early clobbers.
4376 (scc plus geu): Fix output template.
4377 (scc plus gt): Fix output template.
4378 (scc plus gtu): Fix output template and collapse variants.
4380 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * cppinit.c (print_help): Remove unescaped newline in string.
4384 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4386 * loop.c (strength_reduce): Check for intervening jumps when
4387 converting biv increment to giv.
4389 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
4391 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
4392 * expr.c (expand_expr): Support new tree nodes.
4394 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4396 * config/m68k/m68k.c (m68k_align_loops_string,
4397 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
4398 * config/m68k/m68k.h (m68k_align_loops_string,
4399 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
4401 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4403 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
4405 * bitmap.h (bitmap_print): Likewise.
4407 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
4409 * c-lang.c (build_objc_string): Likewise.
4411 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
4412 limits.h or ctype.h. Remove unused variable `p'.
4414 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
4416 * c-pragma.c (handle_pragma_token): Likewise.
4418 * c-pragma.h (handle_pragma_token): Likewise.
4420 * c-tree.h (build_objc_string, builtin_function, grokfield,
4421 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
4422 pedwarn_init): Likewise.
4424 * c-typeck.c (convert_for_assignment, warn_for_assignment,
4425 push_string, warning_init, incomplete_type_error,
4426 build_indirect_ref, lvalue_or_else, readonly_warning,
4427 build_c_cast, spelling, push_member_name, print_spelling,
4428 error_init, pedwarn_init, start_init): Likewise.
4430 * objc/objc-act.c (build_objc_string): Likewise.
4432 * print-tree.c (print_node_brief, print_node): Likewise.
4434 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
4436 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org>
4438 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
4440 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
4442 * configure.in :Handle OpenBSD platforms.
4443 * configure: Rebuilt.
4444 * config/openbsd.h: New file.
4445 * config/xm-openbsd.h: New file.
4446 * config/t-openbsd: New file.
4447 * config/t-openbsd-thread: New file.
4449 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
4451 * function.c (assign_stack_temp_for_type): Round SIZE before calling
4452 assign_stack_local for BLKmode slots.
4454 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4456 * loop.c (strength_reduce): For derived givs, replace the
4457 giv this was derived from with its new_reg.
4458 (recombine_givs): Don't set new_reg for derived giv.
4459 And don't print it, print SUM instead.
4461 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
4463 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
4465 1999-02-18 Zack Weinberg <zack@rabi.columbia.edu>
4467 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
4468 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
4470 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
4471 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
4472 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
4473 cpp_pending, version_string, struct default_include,
4474 include_defaults_array, path_include, cpp_options_init,
4475 dump_special_to_buffer, initialize_builtins, cpp_start_read,
4476 cpp_reader_init, nreverse_pending, push_pending, print_help,
4477 cpp_handle_option, cpp_handle_options, cpp_finish,
4478 cpp_cleanup): Move to cppinit.c.
4479 (macro_cleanup, struct arglist, collect_expansion,
4480 create_definition, compare_defs, comp_def_part, ARG_BASE,
4481 struct argdata, macarg, change_newlines, timestamp,
4482 monthnames, special_symbol, unsafe_chars, macroexpand,
4483 push_macro_expansion): Move to cpphash.c.
4484 (quote_string, check_macro_name, cpp_expand_to_buffer,
4485 output_line_command, cpp_undef): Export.
4486 (null_underflow, null_cleanup, handle_directive): Make static.
4488 * cpplib.h: Prototype now-exported functions. Adjust decls of
4489 syntax tables so we can include cpplib.h in cppinit.c.
4490 * cpphash.h: Prototype all functions exported by cpphash.c.
4491 * cppinit.c: Make syntax tables initialized data if possible
4492 (uses GCC designated-initializer extension).
4493 * cppexp.c: Make cpp_lex static.
4494 * Makefile.in: Move -D switches for the various include dirs
4495 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
4497 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
4499 * alpha/openbsd.h: New file.
4500 * alpha/xm-openbsd.h: New file.
4501 * sparc/openbsd.h: New file.
4502 * sparc/xm-openbsd.h: New file.
4503 * m68k/openbsd.h: New file.
4504 * m68k/xm-openbsd.h: New file.
4505 * i386/openbsd.h: New file, originally from netbsd.
4506 * i386/xm-openbsd.h: New file.
4508 1999-02-17 Zack Weinberg <zack@rabi.columbia.edu>
4510 * Makefile.in: Correct dependencies for cpplib object files.
4512 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
4514 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
4517 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4519 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
4522 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4524 * tree.c (tree_node_kind_names, print_obstack_name,
4525 get_identifier, maybe_get_identifier, build_string,
4526 build_expr_wfl, is_attribute_p, lookup_attribute,
4527 print_obstack_statistics, get_file_function_name_long, tree_check,
4528 tree_class_check, expr_check): Qualify a char* with the `const'
4531 * tree.h (get_identifier, maybe_get_identifier, build_string,
4532 build_expr_wfl, is_attribute_p, lookup_attribute,
4533 print_obstack_statistics, print_obstack_name, tree_check,
4534 tree_class_check, expr_check): Likewise.
4536 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
4538 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
4541 * calls.c (store_one_arg): Mark any slots used for the argument
4542 as in-use immediately after we're done saving any slots which
4543 will be overwritten by this argument.
4545 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
4547 * rs6000.md (call_value): Fix typo.
4549 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4551 * loop.c (strength_reduce): Calculate maybe_dead before
4552 calling recombine_givs.
4554 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4556 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
4558 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
4560 * objc/objc-act.c (encode_type): Encode the type instead of
4561 encoding the mode of the type (patch from Richard Frith-Macdonald
4562 <richard@brainstorm.co.uk>).
4564 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
4566 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
4567 instruction killed in previous change. Simplify mask generation.
4568 (*zeroextractsi_compare0_scratch): Simplify mask generation.
4570 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
4572 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
4573 bitfield does not overflow a byte boundary.
4575 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
4577 * c-common.c (shorten_compare): Get the min/max value from the
4578 underlying type of an enumeration, not the enumerated type itself.
4580 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
4582 * jump.c: Include insn-attr.h.
4583 (delete_computation): If reload has completed and insn scheduling
4584 after reload is enabled, then do not depend on REG_DEAD notes.
4585 * Makefile.in (jump.o): Depend on insn-attr.h.
4587 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
4589 * i386.md (addsi3): Allow lea for any constant_p.
4591 1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
4593 * toplev.c (documented_lang_options): Remove -fident and
4594 -fnoident, which are now handled by the language independent
4597 1999-02-15 Zack Weinberg <zack@rabi.columbia.edu>
4599 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
4600 * c-lex.c: Likewise.
4601 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
4602 list in malloced memory for the buffer stack.
4603 (cpp_get_token): Don't pop the last buffer off the stack.
4604 Calls after CPP_EOF has been returned produce CPP_EOF with no
4606 (cpp_finish): Pop last buffer here.
4607 (do_line): Don't free ip->last_nominal_fname if it is equal to
4609 (special_symbol): If a T_CONST is the empty string, push a
4610 single `@ ' escape instead.
4611 (macroexpand): Special symbol buffers have escapes too.
4612 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
4614 (struct cpp_reader): Remove buffer_stack. Add
4616 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
4619 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4621 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
4622 WIDE_INT with WIDEST_INT.
4625 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
4626 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
4627 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
4628 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
4629 definition of variable `c89' when compiling a test binary and set it.
4631 * system.h: Don't define the PRINTF_PROTO_* macros.
4633 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
4635 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
4636 we do not understand, mark the loop and containing loops as invalid.
4638 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4640 * alias.c (init_alias_analysis): Avoid self-referential value
4641 when setting reg_known_value from REG_EQUAL notes.
4643 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
4645 * i386.c (legitimate_address_p): Verify modes of base and index.
4647 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
4649 * i386.c (legitimate_pic_address_disp_p): Remove static.
4650 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
4653 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
4655 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
4656 * explow.c (probe_stack_range): Likewise.
4657 * expmed.c (do_cmp_and_jump): Likewise.
4658 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
4659 (do_tablejump): Likewise.
4660 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
4661 (do_jump_if_equal, emit_case_nodes): Likewise.
4662 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
4663 then convert comparison to an unsigned code before emitting the jump.
4664 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
4666 Sun Feb 14 02:24:15 1999 Jeff Law (law@cygnus.com)
4668 * version.c: Bump for snapshot.
4670 Sun Feb 14 01:15:04 1999 Jeff Law (law@cygnus.com)
4672 * version.c: Bump for snapshot.
4674 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
4676 * loop.c: Disable recent loop changes. Temporary as Joern
4677 continues to fix problems.
4679 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
4681 * loop.c (combine_givs_used_by_other): Delete.
4682 (combine_givs_benefit_from): Delete.
4683 (combine_givs): Deny combination of givs only used once. Simplify
4684 code with the death of combine_givs_benefit_from.
4686 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4688 * loop.c (scan_loop): Call reg_in_basic_block_p before
4689 loop_reg_used_before_p.
4691 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
4693 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
4697 * arm.h (TARGET_OPTIONS): Reformat for clarity.
4698 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
4699 in the constant pool aren't valid.
4700 (LEGITIMATE_PIC_OPERAND_P): Likewise.
4702 * arm.c: Include "system.h", not stdio.h and string.h.
4704 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
4706 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
4707 (optimize_tail_recursion): Change return type from void to int.
4708 Add return statements.
4709 * tree.h (optimize_tail_recursion): Change prototype to match.
4711 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4713 * reload.c (find_reloads_subreg_address): New function, broken out of
4714 find_reloads_toplev.
4715 (find_reloads_toplev, find_reloads_address_1): Use it.
4717 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
4719 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
4720 extending a CONST_INT.
4722 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
4724 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4726 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
4728 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
4730 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4732 * loop.c (load_mems): Don't guess how to do a load / store, use
4735 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4737 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
4739 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4741 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
4743 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
4745 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
4746 pseudo which is homed in the stack.
4748 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
4749 (compute_frame_size): Change loop over FP regs to be consistent
4750 with the loop in save_restore_insns.
4752 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
4754 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
4755 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
4757 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
4759 * mn10200.md (bset); Re-enable.
4761 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4763 * sh.md (is_sfunc): New attribute.
4764 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
4766 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
4768 * fold-const.c (range_binop): Take account of the bounded nature
4769 of fixed length arithmetic when comparing unbounded ranges.
4771 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
4773 * function.c (assign_stack_temp_for_type): Clear best_p
4774 when an exact match is found.
4776 * i386.h (LOCAL_ALIGNMENT): Define.
4777 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
4778 (assign_stack_temp_for_type): New function based on assign_stack_temp.
4779 (assign_stack_temp): Call it.
4780 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
4781 * stmt.c: Use assign_temp, not assign_stack_temp.
4782 * tm.texi: Document LOCAL_ALIGNMENT.
4784 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
4786 * reorg.c: Finish deleting half-deleted comment.
4788 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
4790 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
4792 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
4794 * real.c (endian): Delete sign extension code.
4795 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
4796 replaced with operand_subword call.
4798 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
4800 * alpha.md (cmov compound patterns): Delete. Jump can now
4801 create the correct constructs in the first place.
4803 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
4805 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
4807 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
4809 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
4811 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
4813 * tmp-emsgids.c: Delete.
4815 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
4817 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
4820 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
4822 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
4824 * reload1.c (reload_combine_note_store): Second argument is no
4825 longer unused/ignored. Handle multi-register hard regs.
4826 (move2add_note_store): Simplify.
4828 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
4830 * collect2.c (collect_execute): Remove cygwin-specific code.
4832 Tue Feb 9 17:27:29 1999 Nathan Sidwell <nathan@acm.org>
4834 * system.h (_, N_): Remove dummy i18n macros.
4835 * protoize.c: Move inclusion of intl.h to after system.h.
4836 * cexp.y: Include intl.h.
4839 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
4841 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
4842 fpic/fPIC for windows32 targets.
4843 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
4845 * i386/mingw32.h (CPP_SPEC): Define.
4846 (CPP_PREDEFINES): Add MINGW32 version id.
4847 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
4849 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
4850 add missing exeext to target.
4852 * gcc.c (convert_filename): Handle null filename argument.
4854 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4856 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
4857 m constraint instead of QT.
4859 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
4861 * cpplib.c (special_symbol): Move IP to be declared in function
4862 scope, rather than individual case statements.
4864 1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
4866 * cppfiles.c (finclude): Handle pipes properly under old BSD
4869 1999-02-09 Melissa O'Neill <oneill@cs.sfu.ca>
4871 * system.h: Provide fallback definitions for S_ISCHR,
4872 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
4874 1999-02-09 Zack Weinberg <zack@rabi.columbia.edu>
4876 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
4878 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
4880 * configure.in: For PowerPC configurations, accept "401", "ec603e",
4881 "740", and "750" as valid arguments to --with-cpu.
4882 * configure: Rebuilt.
4884 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
4886 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
4887 * configure: Rebuilt.
4889 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
4891 * rs6000.md: Revert "alternate use of crs if cr0 not available"
4892 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
4894 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
4896 * output.h (current_function_has_computed_jump): Rename from
4897 current_function_addresses_labels.
4898 * function.h (struct function): Likewise for addresses_labels member.
4899 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
4900 * function.c (current_function_has_computed_jump): Likewise.
4901 Update all references.
4902 * integrate.c (function_cannot_inline_p):
4903 Test current_function_has_computed_jump instead of addresses_labels.
4904 (initialize_for_inline): Likewise save.
4905 (output_inline_function): Likewise restore.
4907 * expr.c (expand_expr): Don't reference addresses_labels variables.
4908 * stmt.c (expand_computed_goto): Set has_computed_jump.
4910 1999-02-08 Michael Meissner <meissner@cygnus.com>
4912 This is being installed only to get it into the repository to help
4913 with the revert, resubmit & review process for the massive rs6000.md
4915 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
4917 (anddi3_internal1): Likewise.
4918 (andsi3_internal{2,3}): Correct some insn lengths.
4919 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
4922 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
4924 * loop.c (reg_single_usage): New file-scope variable ...
4925 (scan_loop): ... moved out of here. Always initialize.
4926 Test loop_has_call instead of reg_single_usage not zero.
4927 Free reg_single_usage after strength reduction.
4928 (count_loop_regs_set): Assume single_usage non-zero.
4929 (combine_givs_used_by_other): Test reg_single_usage.
4930 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
4931 as a parameter. Assume non-zero.
4933 1999-02-08 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
4935 * cpplib.c (special_symbol): Rewrite. Don't copy things
4936 multiple times. Handle __STDC__ specially. T_CONST
4937 indicates a constant /string/. Don't handle T_*_TYPE and
4938 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
4939 adjust_position. Determine the file buffer only if needed.
4940 (initialize_builtins): Handle __SIZE_TYPE__,
4941 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
4942 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
4943 Don't provide __OBJC__; the driver does that. Provide
4944 __STDC_VERSION__, using T_CONST. Use T_STDC for
4945 __STDC__. Give install the length of all symbols defined.
4946 (eval_if_expression): Drop code to insert and remove the
4947 "defined" special symbol.
4949 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
4950 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
4952 * cpphash.c (install): Drop the `ivalue' parameter. Constify
4953 the `value' parameter. All callers changed.
4954 * cpphash.h (install): Change prototype to match.
4955 (union hashval): Remove `ival' member.
4956 * cppexp.c (cpp_lex): Handle `defined' here.
4958 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
4960 * pa.h (EXTRA_CONSTRAINT): Fix comment.
4962 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
4964 * c-typeck.c (check_init_type_bitfields): Use nonincremental
4965 initialization of unions whose first member is a bitfield.
4966 Remove unnecessary code for checking the declaration mode
4967 after DECL_C_BIT_FIELD.
4969 * varasm.c (output_constructor): Additional comment about the
4970 constructor of bitfield union initialization.
4972 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4974 * config/c4x/c4x.md (*movhi_stik): New pattern.
4975 (movhi): Allow some immediate constants to be directly
4978 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4980 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
4981 (call, call_value): Force address into a register if not valid
4982 for a call instruction.
4983 (load_immed_address): Emit a USE of the SYMBOL_REF that is
4985 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
4987 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4989 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
4990 Rename from call_operand and symbolic_operand respectively. All
4992 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
4994 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
4996 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
4998 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5000 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
5001 LO_SUM address for HImode or HFmode but instead force address into
5002 a register so that it is offsettable.
5003 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
5005 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5007 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
5008 REG+REG addressing if strength reduction enabled.
5010 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5012 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
5013 (TARGET_LIBGCC2_CFLAGS): Define.
5015 1999-02-08 Nick Clifton <nickc@cygnus.com>
5017 * config/v850/v850.md: Replace \\n\\t with \\;
5019 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
5020 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
5021 Enforce TARGET_LONG_CALLS option.
5023 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
5025 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
5027 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
5029 * m88k/t-luna-gas: Remove bash dependency.
5031 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
5033 * collect2.c (xrealloc): Fix typo in last change.
5035 Mon Feb 8 09:13:38 1999 Jeff Law (law@cygnus.com)
5037 * version.c: Bump for snapshot.
5039 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
5041 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
5042 that we do not want macro replacement within a character constant.
5043 (TYPE_CHECK1): Likewise.
5045 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
5047 * tree.h (DECL_P): New macro.
5049 Sun Feb 7 01:15:04 1999 Jeff Law (law@cygnus.com)
5051 * version.c: Bump for snapshot.
5053 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
5055 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
5057 * README.g77, gcc.c, gcc.texi: Update email addresses.
5058 * invoke.texi system.h: Likewise.
5060 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
5062 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
5063 to convert dest_reg to new_reg.
5065 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
5067 * reload1.c (reload_combine_note_store): Be more careful with
5068 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
5069 (move2add_note_store): Likewise.
5071 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5073 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
5074 U_CHAR* when assigning to one. Ensure the values of a ?: operator
5077 * cppinit.c (initialize_char_syntax): Use K&R function definition.
5079 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
5082 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
5083 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
5084 (TARGET_CPU_DEFAULT): Rework to support ARM9.
5085 (CPP_CPU_ARCH_SPEC): Likewise.
5086 (enum processor_type): Likewise.
5087 * config/arm/arm.md (attr cpu): Add arm9.
5089 General scheduling changes
5090 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
5091 (max_insns_skipped): New variable.
5092 (arm_override_options): If generating hard floating point code for
5093 the FPA, emit code for version 3.
5094 When optimizing for space, don't synthesize constants.
5095 Reword several flags based on the requested processor and optimization
5097 (use_return_insn): New argument iscond, all callers changed. Don't
5098 use a return insn if it will be conditional and that would be
5099 expensive; eg on StrongARM.
5100 (arm_adjust_cost): Anti- and output- dependencies normally have no
5102 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
5103 the sequence is short.
5104 (final_prescan_insn): Use max_insns_skipped instead of
5105 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
5106 conditional, and aviod this if it would be expensive.
5107 * config/arm/arm.md (scheduling attributes and function units):
5108 Rewrite to better describe ARM8, 9 and StrongARM.
5110 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
5112 (*ifcompare_plus_move): Use arm_rhs_operand in place of
5113 arm_rhsm_operand. Rework constraints.
5114 (*if_plus_move): Likewise.
5115 (*ifcompare_move_plus): Likewise.
5116 (*if_move_plus): Likewise.
5117 (*ifcompre_arith_move): Likewise.
5118 (*if_arith_move): Likewise.
5119 (*ifcompare_move_arith): Likewise.
5120 (*if_move_arith): Likewise.
5122 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
5124 1999-02-05 Michael Meissner <meissner@cygnus.com>
5126 * loop.c (check_dbra_loop): A store using an address giv for which
5127 we have no life information is not reversible.
5129 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
5131 * function.c (fixup_var_refs): Scan catch_clauses too.
5133 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
5135 * c-common.c (decl_attributes): Fix reserved space for init_priority.
5136 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
5138 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
5140 * loop.c (strength_reduce): Clear not_every_iteration when
5141 passing the NOTE_INSN_LOOP_CONT note.
5143 * haifa-sched.c (add_dependence): Do not add a dependency on a
5146 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
5148 * recog.c (split_block_insns): Only call update_flow_info if
5149 instruction scheduling is enabled.
5151 1999-02-05 Zack Weinberg <zack@rabi.columbia.edu>
5153 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
5155 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5157 * loop.c (first_loop_store_insn): New file-scope variable.
5158 (prescan_loop): Set it.
5159 (check_dbra_loop): Check if a store depends on a register
5160 that is set after the store.
5162 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5164 * unroll.c (entire file): Remove tabs / spaces at end of lines.
5165 Replace spaces with tabs where appropriate.
5167 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5169 * loop.c (scan_loop): New argument loop_cont. Changed caller.
5170 (strength_reduce): New argument loop_cont. Changed caller.
5171 Before clearing not_every_iteration after a label, check if
5172 we are not already past LOOP_CONT.
5174 1999-02-04 Zack Weinberg <zack@rabi.columbia.edu>
5176 * cpperror.c (cpp_print_containing_files): Fix formatting
5177 bug induced by merge.
5179 1999-02-04 Zack Weinberg <zack@rabi.phys.columbia.edu>
5181 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
5182 (cpp_define): Remove redundant syntax checks.
5183 (make_assertion): Rename cpp_assert, remove redundant syntax
5185 (cpp_options_init): Don't init things to zero twice.
5186 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
5187 (do_include): Kill excessively verbose #import warning that
5188 snuck back in in the gcc2 merge.
5189 (convert_string): Removed.
5190 (do_line): Rewrite with simple last-name-used cache instead of
5192 (cpp_start_read): Call initialize_char_syntax here, not...
5193 (cpp_reader_init): ...here.
5194 (cpp_handle_options): Support the -std switch.
5195 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
5196 (cpp_options): Add c9x flag.
5197 Declare all the is_* tables and trigraph table here, as const.
5198 Prototype cpp_assert and initialize_char_syntax.
5199 * cppinit.c: New file.
5200 * cppfiles.c (read_and_prescan): Optimize.
5201 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
5203 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
5205 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
5206 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
5207 before calling gen_div_trap.
5209 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
5211 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
5212 than numeric value for target_cpu_default..
5213 * configure: Rebuilt.
5215 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
5217 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
5218 mkstemp. Get them from libiberty.
5219 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
5220 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
5221 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
5222 (mkstemp.o, getopt1.o, getopt.o): Likewise.
5224 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
5226 * pa-hpux.h (LINK_SPEC): Likewise.
5227 * pa-hpux10.h (LINK_SPEC): Likewise.
5228 * pa-hpux9.h (LINK_SPEC): Likewise.
5229 * pa-osf.h (LINK_SPEC): Likewise.
5230 * pa-pro.h (TARGET_DEFAULT): Likewise.
5231 * pa1.h (TARGET_DEFAULT): Likewise.
5232 * pa.h (MASK_*): New defines.
5233 (TARGET_*): Use symbolic values rather than numeric values.
5234 (TARGET_SWITCHES): Likewise.
5235 (TARGET_DEFAULT): Likewise.
5236 (CPP_SPEC): Likewise.
5238 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5240 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
5241 * reload.c (find_reusable_reload): New function, broken out of
5242 push_reload. Add code to verify that none of the involved
5243 outputs are subject to earlyclobbers.
5244 (push_reload): Break out new function find_reusable_reload.
5245 Delete "register" keyword for IN, OUT args.
5247 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
5249 * config/mips/mips.c (true_reg_or_0_operand) : New function.
5250 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
5251 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
5252 Use true_reg_or_0_operand for div_trap.
5254 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5256 * loop.h (express_from): Declare.
5257 (struct induction): Replace derived flag with derived_from pointer.
5258 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
5259 (express_from): No longer static.
5260 * unroll.c (find_splittable_givs): Replace derived with derived_from.
5261 When processing an address giv with which another giv has been
5262 combined that has also been derived from a third giv, handle like
5263 having combined with the third giv.
5264 Set splittable_regs_updates appropriately for derived givs.
5266 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
5268 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
5270 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
5272 * pa.c (insn_sets_and_refs_are_delayed): New function.
5273 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
5274 (INSN_REFERENCES_ARE_DELAYED): Likewise.
5276 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
5278 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
5279 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
5280 (TARGET_LIBGCC2_CFLAGS): Define.
5281 (LIBGCC2_DEBUG_CFLAGS): Define.
5282 * config/arm/t-netbsd: Likewise.
5283 * config/arm/t-semi: Likewise.
5284 * config/arm/t-semiaof: Likewise.
5285 * config/arm/t-riscix: Likewise.
5287 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5289 * config/m68k/m68k.c (print_operand_address): When printing a
5290 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
5292 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
5294 * i386/freebsd*.h now allows '$' in label names and does not use the
5295 PCC struct return method.
5297 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
5299 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
5300 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
5301 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
5302 names if host == target.
5303 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
5304 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
5305 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
5306 setting them to *_FOR_TARGET.
5307 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
5310 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
5312 * toplev.h (read_integral_parameter): Declare.
5313 * toplev.c (read_integral_parameter): New function.
5315 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
5317 * resource.c, resource.h: New files.
5318 * Makefile.in (OBJS): Add it.
5320 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
5321 (split_block_insns): Moved to recog.c.
5322 (update_flow_info): Make public.
5323 * rtl.h: Declare them.
5325 * reorg.c: Moved the functions dealing with computing resource
5326 usage to resource.c.
5328 * sched.c (regno_use_in): Moved to rtlanal.c.
5329 (update_flow_info): Make public.
5330 (schedule_insns): Use split_block_insns.
5332 * recog.c (split_block_insns): New function.
5334 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org>
5336 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
5337 (LINK_OS_DEFAULT_SPEC): Delete, unused.
5339 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
5341 * configure.in (arm-*-oabi): Support.
5342 * configure: Regenerate.
5343 * config/arm/unknown-elf-oabi.h: New file.
5345 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
5347 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
5348 Make the anonymous pattern match when ! optimize_size.
5349 (ashlsi3 size optimizer): New pattern.
5351 * intl/Makefile.in (uninstall): Add missing "; \".
5353 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
5355 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
5358 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5360 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
5361 to after find_and_verify_loops call.
5363 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5365 * (recombine_givs): Don't use a giv that's likely to be dead to
5368 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
5369 wrap around when deriving givs.
5371 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
5373 * recog.c (check_asm_operands): Treat indeterminate operand ok
5374 results as success. Try harder to resolve a matching constraint.
5375 * stmt.c (expand_asm_operands): Recognize when an output operand's
5376 constraint does not allow memory. Treat indeterminate operand ok
5377 results as failure. Try harder to resolve a matching constraint.
5379 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
5381 Use varrays for constant-equivalence data:
5383 * varray.h (struct const_equiv_data): New type.
5384 (union varray_data_tag): New element const_equiv.
5385 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
5386 (VARRAY_SIZE): New macro, returns number of elements.
5387 * integrate.h: Include varray.h.
5388 (struct inline_remap): Replace const_equiv_map, const_age_map and
5389 const_equiv_map_size with a const_equiv_varray element.
5390 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
5392 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
5393 simultaneously, growing the varray if needed.
5395 * integrate.c (global_const_equiv_map,
5396 global_const_equiv_map_size): Deleted, replaced by....
5397 (global_const_equiv_varray): New variable.
5398 (expand_inline_function): References changed.
5399 * integrate.h: Update declarations.
5401 * integrate.c (process_reg_parm, expand_inline_function,
5402 copy_rtx_and_substitute, try_constants, subst_constants,
5403 mark_stores): Use varray allocation and accessor macros, new
5404 integrate.h macros, and global_const_equiv_varray. Don't
5405 conditionalize non-NULL stores on array size; instead, expand the
5407 * unroll.c (unroll_loop): Likewise.
5409 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
5410 zero. After allocating varray, always exit through bottom of
5411 function, where it can be deallocated if needed. Don't explicitly
5412 reallocate const_equiv_map storage; instead, just ensure the
5413 varray has been initialized, and update the global reference.
5415 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5417 * system.h (inline, const): Handle these for stage2 (and later) gcc.
5419 * dwarf2out.c (inline): Don't define.
5421 * dwarfout.c (inline): Likewise.
5423 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
5425 * loop.c (recombine_givs): Dump recombination and derivation data.
5427 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
5429 * flags.h: Declare flag_no_ident.
5430 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
5431 * c-tree.h: Don't declare flag_no_ident.
5432 * c-decl.c: Don't define flag_no_ident. Don't process
5433 -f(no-)ident switches here.
5435 * config/elfos.h (ASM_FILE_END): Output final .ident directive
5436 only if !flag_no_ident.
5437 * config/ptx4.h: Likewise.
5438 * config/svr4.h: Likewise.
5439 * config/alpha/elf.h: Likewise.
5440 * config/arm/linux-elf.h: Likewise.
5441 * config/i386/sco5.h: Likewise.
5442 * config/i860/fx2800.h: Likewise.
5443 * config/mips/gnu.h: Likewise.
5444 * config/i386/osfrose.h: Likewise.
5446 * gcc.c (C specs): Map -Qn to -fno-ident.
5447 * objc/lang-specs.h: Likewise.
5449 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5451 * configure.in: Don't remove loop.o and unroll.o when
5452 enable-haifa is selected.
5453 * configure: Rebuilt.
5455 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
5457 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
5458 movxfcc, movdicc): Delete unconstrained alternatives.
5459 * i386.c (output_fp_conditional_move,
5460 output_int_conditional_move): Delete unused case.
5462 Sun Jan 31 01:15:04 1999 Jeff Law (law@cygnus.com)
5464 * version.c: Bump for snapshot.
5466 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
5468 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
5469 instead of bis and cpys. Combine alternatives where possible.
5471 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5473 * gcov.c (fnotice): Add missing FILE* parameter.
5474 (function_summary): Fix format specifiers in calls to `fnotice'.
5475 (output_data): Likewise.
5477 * toplev.c (fnotice): Constify char* parameter.
5479 * toplev.h (fnotice): Add prototype.
5480 Wrap prototype with BUFSIZ to protect FILE* usage.
5482 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5484 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
5486 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
5488 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
5490 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
5491 function definition.
5492 (aliases_everything_p, write_dependence_p):Likewise.
5494 * install.texi: Fix merge lossages.
5496 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
5498 * collect2.c (main): Likewise.
5499 * cppmain.c (main): Likewise.
5500 * gcc.c (main): Likewise.
5501 * gcov.c (main): Likewise.
5502 * protoize.c (main): Likewise.
5503 * toplev.c (main): Likewise.
5505 * pa.md (parallel shift and shiftadd): Mark output of shift as an
5508 * loop.c: Disable recent loop changes. Temporary as Joern
5509 continues to fix problems.
5511 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5513 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
5515 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
5517 * emit-rtl.c (remove_insn): New function.
5518 * rtl.h (remove_insn): Add prototype.
5519 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
5521 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5523 * loop.c (recombine_givs): Don't try to derive givs that have combined.
5525 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5527 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
5528 when declaring arguments and calling va_arg() to initialize them.
5530 * collect2.c (notice): Likewise.
5532 * loop.c (find_life_end): Use PROTO() macro in the prototype.
5534 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5536 * collect2.c (error): Fix typo in declaration.
5538 * cpperror.c (cpp_message): Likewise.
5540 * cpplib.c (cpp_warning): Likewise.
5542 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
5545 * toplev.c (error): Fix typo in declaration.
5547 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5549 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
5550 forward from cont dominator.
5552 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5554 * cccp.c (eprint_string): Constify a char*.
5555 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5556 (vnotice): Constify a char*.
5557 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5558 (verror): Constify a char*.
5559 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
5560 (vwarning): Constify a char*.
5561 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
5563 (verror_with_line): Constify a char*.
5564 (vwarning_with_line): Likewise.
5565 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
5567 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
5569 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
5570 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
5571 Also correct typo in parameter name declaration.
5572 (make_assertion): Constify a char*.
5573 (quote_string_for_make): Likewise.
5574 (deps_output): Likewise.
5575 (fatal): Likewise. Use PVPROTO not VPROTO, add
5576 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
5577 "__attribute__ ((noreturn))".
5578 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
5579 (pfatal_with_name): Likewise.
5580 (pipe_closed): Likewise.
5581 (memory_full): Likewise.
5583 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5585 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
5586 may_not_optimize to proper size when converting biv increments
5588 If necessary, reallocate reg_iv_type / reg_iv_info before calling
5591 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5593 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
5594 generate complex adds. Changed caller.
5595 Don't generate adds that cost more than the original one.
5596 (strength_reduce): Warning fixes.
5598 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
5600 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
5601 * configure: Rebuilt.
5603 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5605 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
5606 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
5607 * loop.h (varray.h): Include.
5608 (struct induction): Change combined_with to unsigned.
5609 New members derived, ix and last_use.
5610 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
5611 (REG_IV_TYPE, REG_IV_INFO): Define.
5612 (first_increment_giv, last_increment_giv): Declare.
5613 * loop.c (loop_number_loop_cont): New static variable.
5614 (loop_number_cont_dominator): Likewise.
5615 (reg_iv_type, reg_iv_info): Now varray_type.
5616 (first_increment_giv, last_increment_giv): New variables.
5617 (compute_luids, verify_dominator, find_life_end): New functions.
5618 (cmp_recombine_givs_stats, recombine_givs): Likewise.
5619 (loop_optimize): Allocate loop_number_loop_cont and
5620 loop_number_cont_dominator. Use compute_luids.
5621 (find_and_verify_loops): Initialize loop_number_loop_cont and
5622 loop_number_cont_dominator.
5623 (strength_reduce): Try to find bivs that can be expressed as givs
5624 of another biv, and to convert biv increments into givs.
5625 Call recombine_givs. Handle derived givs.
5626 (record_biv): New argument location. All callers changed.
5627 (record_giv): Initialize derived and last_use fields.
5628 (basic_induction_var): New argument location. All callers changed.
5629 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
5630 Increment combined_with instead of setting to 1.
5631 * unroll.c (derived_regs): New static variable.
5632 (unroll_loop): Initialize it.
5633 Allocate local_regno according to max_reg_num.
5634 (copy_loop_body): Cope with derived givs.
5635 (find_splittable_givs): Check for Givs made from biv increments.
5636 Set derived_regs for givs.
5637 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
5639 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5641 * function.c (purge_addressof_1): Handle case when a register
5642 has been used in a wider mode.
5644 1999-01-27 Bruce Korb <autogen@linuxbox.com>
5646 * fixinc/fixincl.c, fixinc/server.[ch]:
5647 Removed the last of the capitalized variable and proc names.
5649 * fixinc/server.c: Removed the process open code.
5650 * fixinc/procopen.c: New file containing the proc open code.
5651 * fixinc/inclhack.tpl: Added code to bypass a readability test
5652 when a file is not present. A problem on some systems.
5653 * fixinc/inclhack.sh, fixinc/fixincl.sh: Regenerated.
5655 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
5657 * cpplib.h (cpp_notice): Add prototype.
5659 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
5661 * Merge gcc2 snapshot 19980929.
5663 * cccp.c (PRINTF_PROTO): Remove.
5664 (PRINTF_PROTO_{1,2,3,4}: Likewise.
5666 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
5668 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
5669 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
5670 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
5672 * gen-protos.c (hashf): Delete in cpphash.o.
5673 * gen-protos.c (hashf): Delete in cpphash.o.
5675 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
5676 * expmed.c: Likewise.
5677 * rs6000.md: Likewise.
5679 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
5681 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
5683 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
5684 * rs6000.md (movsi, movdi): Likewise.
5686 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
5688 * function.c (expand_function_end): Pass arg_pointer_save_area to
5689 validize_mem before using it. Emit code into a sequence.
5691 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org>
5693 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
5694 '#' to split patterns. Correct indentation of some new patterns.
5696 1999-01-26 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
5698 * cppfiles.c (safe_read): Deleted.
5699 (read_and_prescan): New function, replaces safe_read, converts
5700 and/or warns about trigraphs, silently converts odd line
5701 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
5702 (finclude): Use read_and_prescan; turn off nonblocking mode on
5703 the input descriptor; remove file-size-examination and
5704 no-newline-at-EOF gunk which is longer necessary; be more
5705 careful about checking that we've been handed a legitimate
5706 file to read (only real files, pipes, and ttys are acceptable).
5707 * cpplib.h (cpp_options): Rename no_trigraphs flag to
5708 `trigraphs' and invert its sense.
5709 (trigraph_table): Declare.
5710 (cpp_warning_with_line): Prototype.
5711 * cpplib.c: Remove all references to trigraph_pcp. Define
5712 trigraph_table; initialize it in initialize_char_syntax. Open
5713 files in nonblocking mode. s/no_trigraphs/trigraphs/
5714 throughout, and invert sense. Put cpp_warning_with_line back
5717 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5719 * config/c4x/c4x.h (COUNTER_REGS): New register class.
5720 * config/c4x/c4x.md (*rptb_init): Change constraints.
5721 (rptb_end): Emit alternate looping instructions if
5722 RC register not allocated for loop counter.
5723 (decrement_and_branch_on_count): Allow other registers
5726 1999-01-25 Zack Weinberg <zack@rabi.columbia.edu>
5728 * cppexp.c (struct arglist): Removed.
5729 (parse_number): Use HOST_WIDE_INT for the accumulator.
5730 Allow two `l' suffixes unless C89. Clean up. Make static.
5731 (parse_charconst): New function broken out of cpp_lex.
5732 Code cleaned up drastically. Don't use a token_buffer.
5733 (token_buffer): Removed.
5734 (cpp_lex): Don't call parse_number on a constant string.
5735 Use parse_charconst.
5736 (cpp_parse_expr): Properly handle an ERROR op returned by
5739 1999-01-25 Zack Weinberg <zack@rabi.phys.columbia.edu>
5741 * cpplib.c: Don't include signal.h, sys/times.h, or
5742 sys/resource.h. Don't declare localtime.
5743 (macroexpand): Handle special symbols here.
5744 (push_macro_expansion): Chop off the trailing '@ ' if possible
5746 (cpp_get_token): Don't do either of the above two things here.
5747 Move `string' label just after case '"' so that wide strings
5748 don't crash the preprocessor.
5750 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org>
5752 * rs6000.md (left shift + set cr patterns): Add missing '#' to
5754 (move register + set cr pattern): Likewise.
5755 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
5756 inadvertently deleted.
5758 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
5760 * stmt.c (stmt_loop_nest_empty): New function.
5761 * tree.h (stmt_loop_nest_empty): Declare it.
5762 * rtl.def (CALL_PLACEHOLDER): New rtx code.
5764 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5766 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
5768 (c4x_check_legit_addr): Remove USE and PLUS, allow
5769 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
5770 (c4x_legitimize_address): Penalize SYMBOL_REF, LABEL_REF, and
5771 CONST cases. Add LO_SUM.
5772 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
5773 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
5774 (c4x_print_operand_address): Handle LO_SUM.
5775 (c4x_scan_for_ldp): Delete. Hooray!
5776 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
5778 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
5780 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
5782 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
5784 (c4x_U_constraint, symbolic_operand): New functions.
5785 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
5786 disable SYMBOL_REF, LABEL_REF, and CONST.
5787 (lsrc_operand, tsrc_operand): Call src_operand instead of
5789 (c4x_operand_subword): Update comments.
5791 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
5792 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
5793 plus HIGH and LO_SUM for the C40.
5794 (ENCODE_SECTION_INFO): Define macro.
5795 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
5797 (PREDICATE_CODES): Add symbolic_operand.
5799 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
5800 c4x_emit_move_sequence.
5801 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
5802 to avoid symbol references.
5803 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
5804 (set_high): Renamed from set_high_use.
5805 (set_lo_sum): Renamed from set_ior_lo_use.
5806 (all call patterns): Make MEM explicit in call address operands.
5807 Modified output templates to use 'U' modifier.
5809 Sun Jan 24 01:15:05 1999 Jeff Law (law@cygnus.com)
5811 * version.c: Bump for snapshot.
5813 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5815 * final.c (bb_str): Qualify a char* with the keyword `const'.
5816 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
5818 * fix-header.c (read_scan_file): Likewise.
5820 * genoutput.c (output_epilogue, process_template): Likewise.
5822 * local-alloc.c (requires_inout, block_alloc): Likewise.
5824 * output.h (output_asm_insn, assemble_string): Likewise.
5826 * recog.c (recog_constraints, check_asm_operands,
5827 decode_asm_operands, extract_insn, preprocess_constraints,
5828 constrain_operands): Likewise.
5830 * recog.h (operand_alternative, recog_constraints, insn_template,
5831 insn_outfun, insn_operand_constraint, insn_name): Likewise.
5833 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
5835 * regmove.c (find_matches): Likewise.
5837 * reload.c (alternative_allows_memconst): Likewise.
5839 * reload1.c (constraint_accepts_reg_p,
5840 reload_cse_simplify_operands): Likewise.
5842 * rtl.h (decode_asm_operands): Likewise.
5844 * scan.h (fn_decl): Likewise.
5846 * varasm.c (assemble_string): Likewise.
5848 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
5850 * configure.in (gcc_tooldir): Handle case where exec_prefix has
5851 not been explicitly set.
5852 * configure: Rebuilt.
5854 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
5857 * bitmap.h (bitmap_head_def): Make indx field unsigned.
5859 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
5860 use $exec_prefix/$target_alias for gcc_tooldir.
5861 * configure: Rebuilt.
5863 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
5865 * cppp.c (xrealloc): Fix typo last change.
5866 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
5867 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
5868 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5870 1999-01-22 Michael Meissner <meissner@cygnus.com>
5872 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
5873 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
5874 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
5875 (cc_reg_not_cr0_operand): Add declaration.
5877 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
5878 pseudo register, or a control register that is not CR0.
5880 * rs6000.md (all combiner patterns building . instructions): For
5881 all `.' instructions that do something and set cr0, add an
5882 alternative that does the operation, and then sets a different
5883 flag, in order to avoid using the costly mcrf instruction and also
5884 allow cr0 to be clobbered in asm statements. Also fix a few
5885 patterns that used the wrong register.
5887 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
5888 (rs6000_debug_name): Make const char *, not char *.
5890 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
5892 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
5893 (rs6000_select): Use const char * in casts.
5895 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
5897 * Makefile.in (gcc_tooldir): Move before first reference.
5898 Let autoconf substitute in a value.
5899 * configure.in (gcc_tooldir): Only use a relative path to the
5900 tool directory if $exec_prefix == $prefix.
5901 * configure: Rebuilt.
5903 * Makefile.in (tooldir): Replace with gcc_tooldir.
5905 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
5907 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indentation.
5908 (ashldi3 expander): Similarly. Update comments.
5909 (ashrdi_const, lshrdi_const): Fix indentation.
5910 (ashrdi3, lshrdi3): Fix indentation. Update comments.
5912 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
5914 * emit-rtl.c (try_split): Don't try to split non-instructions.
5916 Thu Jan 21 23:47:30 1999 Andrew MacLeod <amacleod@cygnus.com>
5918 * expr.c (emit_push_insn): Fix dumb typo.
5920 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
5922 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
5923 transformations that we have performed earlier.
5924 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5926 * alpha.md (prologue_stack_probe_loop): Don't do our own label
5927 handling, call gen_label_rtx instead.
5929 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
5931 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
5933 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
5934 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
5935 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5936 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
5937 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
5939 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
5941 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
5942 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
5943 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
5944 * configure: Regenerate.
5946 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
5948 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
5950 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
5952 Thu Jan 21 14:18:04 1999 Andrew MacLeod <amacleod@cygnus.com>
5954 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
5956 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
5957 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
5958 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
5959 (move_by_pieces): Use new macros.
5960 (emit_block_move): Use new macros.
5961 (clear_by_pieces): Use new macros.
5962 (clear_storage): Use new macros.
5963 (emit_push_insn): Use new macros.
5964 (expand_expr): Use new macros.
5965 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
5967 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
5968 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
5969 (MOVE_MAX_PIECES): Move 8 bytes on SH4.
5970 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
5971 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
5972 USE_STORE_PRE_DECREMENT): Describe new macros.
5974 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
5976 * varasm.c (output_constant_pool): Use floor_log2 instead of
5977 exact_log2 for ASM_OUTPUT_ALIGN.
5979 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
5981 * emit-rtl.c (operand_subword): Handle case when a subword outside
5984 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
5987 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
5989 * cse.c (fold_rtx): Revert 29 Dec change.
5990 (cse_insn): Revert 12 Jan change.
5991 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
5992 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
5993 * rtl.def: Likewise.
5994 * rtl.h (CONSTANT_P): Likewise.
5996 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
5998 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
5999 * alpha.c (input_operand): Likewise.
6000 * c4x.c (const_operand): Likewise.
6002 * explow.c (allocate_dynamic_stack_space): Use register_operand
6003 instead of arith_operand, which does not exist.
6005 * 1750a.h: Fix comment closure.
6006 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
6007 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
6008 * arm.h (TARGET_SWITCHES): Fix typo.
6009 * i370.md (anon mult and div patterns): Fix set mode mismatch.
6010 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
6011 (output_delay_insn): Likewise.
6012 * m88k.md (anon rotate insns): Fix set mode mismatch.
6013 (anon BLKmode moves): Commonize and fix set mode mismatches.
6014 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
6015 * romp.md (movdf): Fix typo.
6017 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
6019 * Makefile.in (install-common): Remove extraneous chmod for gcov
6022 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
6024 * function.c (assign_parms): Save and restore setting of
6027 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
6029 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
6030 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
6032 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
6034 * recog.c (pop_operand): New function.
6035 * recog.h (pop_operand): Declare it.
6036 * genrecog.c (preds): Define it.
6038 * expr.c (do_jump_for_compare): Handle conditional branch expanders
6039 emitting multiple jump instructions.
6040 * jump.c (condjump_label): New function.
6041 * rtl.h (condjump_label): Declare it.
6043 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
6045 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
6046 clobber during or after reload.
6048 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
6050 * genoutput.c (name_for_index): New function.
6051 (scan_operands, validate_insn_alternatives): Use it.
6052 * genrecog.c (insn_name_ptr_size): New variable.
6053 (make_insn_sequence): Fill in insn_name_ptr.
6054 (merge_trees): Use it.
6056 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
6058 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
6059 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
6060 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
6062 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
6064 * loop.c (NUM_STORES): Delete.
6065 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
6066 (prescan_loop): Properly initialize loop_mems_idx.
6067 (note_addr_stored): Simplify using list structure instead of
6069 (invariant_p, check_dbra_loop, load_mems): Similarly.
6071 * flow.c (invalidate_from_autoinc): New function.
6072 (mark_set_1, mark_used_regs): Use it.
6074 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
6076 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
6078 * invoke.texi (-mlong-double-64): New option description.
6080 1999-01-19 Jim Wilson <wilson@cygnus.com>
6082 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
6083 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
6084 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
6086 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
6087 (CPP_SPECS): Add -mlong-double-64 support.
6088 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
6089 (TARGET_SWITCHES): Add -mlong-double-64 support.
6090 (LONG_DOUBLE_TYPE_SIZE): Likewise.
6091 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
6092 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
6093 (CPP_SPECS): Add -mlong-double-64 support.
6094 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
6095 (MULTILIB_DIRNAMES): Add ld64.
6096 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
6098 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
6100 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
6101 invisible reference.
6103 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org>
6105 * rs6000.c (offsettable_addr_operand): Delete.
6106 (offsettable_mem_operand): New function.
6107 * rs6000.h (PREDICATE_CODES): Reflect function change.
6108 (RS6000_SAVE_TOC): Represent address as MEM.
6109 * win-nt.h (RS6000_SAVE_TOC): Same.
6110 * rs6000.md (indirect calls): Change offsettable address parameter
6111 to offsettable memory parameter.
6113 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
6115 * rtl.h (rtx_def): Update documentation.
6116 (MEM_IN_STRUCT_P): Likewise.
6117 (MEM_SCALAR_P): New macro.
6118 (MEM_COPY_ATTRIBUTES): Likewise.
6119 (MEM_SET_IN_STRUCT_P): Likewise.
6120 * rtl.texi (MEM_SCALAR_P): Document.
6121 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
6122 (fixed_scalar_and_varying_struct_p): New function. Use
6123 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
6124 (aliases_everything_p): Likewise.
6125 (true_dependence): Use them.
6126 (write_dependence_p): New function, containing code common to
6127 anti_dependence and output_dependence.
6128 (anti_dependence): Use it.
6129 (output_dependence): Likewise.
6130 * calls.c (save_fixed_argument_area): Don't clear
6132 (expand_call): Use MEM_SET_IN_STRUCT_P.
6133 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
6134 (emit_library_call_value): Likewise.
6135 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
6136 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
6137 (make_extraction): Likewise.
6138 (simplify_shift_const): Likewise.
6139 (gen_lowpart_for_combine): Likewise.
6140 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
6141 * emit-rtl.c (operand_subword): Likewise.
6142 (change_address): Likewise.
6143 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
6144 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
6145 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
6146 (copy_blkmode_from_reg): Likewise.
6147 (store_field): Likewise.
6148 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
6149 heuristically. Use MEM_SET_IN_STRUCT_P.
6150 (get_memory_rtx): Likewise.
6151 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
6152 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
6153 MEM_ALIAS_SET on newly returned MEMs.
6154 (assign_temp): Use MEM_SET_IN_STRUCT_P.
6155 (put_reg_into_stack): Likewise.
6156 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
6157 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
6158 (assign_parms): Likewise.
6159 (expand_function): Likewise.
6160 * integrate.c (expand_inline_function): Likewise.
6161 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
6162 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
6163 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
6164 * print-rtl.c (print_rtx): Print /f for frame_related.
6165 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
6166 * reload1.c (reload): Copy MEM_SCALAR_P as well.
6167 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
6168 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
6169 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
6170 (output_constant_def): Likewise.
6171 * a29k.c (a29k_set_memflags_1): Take scalar_p.
6173 (a29k_set_memflags): Use it.
6174 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
6175 * c4x.c (c4x_scan_for_ld): Likewise.
6176 * h8300.c (fix_bit_operand): Likewise.
6177 * m88k.c (legitimize_address): Likewise.
6178 (block_move_loop): Likewise.
6179 (block_move_no_loop): Likewise.
6180 (block_move_sequence): Likewise.
6181 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
6182 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
6183 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
6184 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
6185 * arm.h (arm_gen_load_multiple): Take scalar_p.
6186 (arm_store_load_multiple): Likewise.
6187 * arm.c (arm_gen_load_multiple): Likewise.
6188 (arm_gen_store_multiple): Likewise.
6189 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
6191 Tue Jan 19 12:30:37 1999 Andrew MacLeod <amacleod@cygnus.com>
6193 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
6194 calls within a libcall block to indicate no throws are possible.
6195 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
6196 libcall blocks. Don't add edges to exception handlers if we see
6197 a REG_EH_REGION note with a value of 0.
6198 (make_edges): Override active_eh_region vector if the call has a note
6199 indicating the call does not throw.
6201 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
6203 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
6205 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
6207 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
6209 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
6211 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
6213 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
6215 * invoke.texi (-mcpu=740, -mcpu=750): New options.
6216 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
6219 1999-01-18 Michael Meissner <meissner@cygnus.com>
6221 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6222 supported with -mcpu=xxx.
6223 (processor_type): Add PROCESSOR_PPC750.
6224 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
6225 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
6226 (rs6000_adjust_priority): Add declaration.
6228 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
6229 processor type as 750, not 603. Allow -mmultiple and -mstring on
6230 little endian 750 systems.
6231 (rs6000_adjust_priority): Stub for now.
6232 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
6234 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
6236 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
6238 (CC1_SPEC): Pass -mstrict-align if little endian, and not
6240 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
6241 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
6243 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
6246 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
6248 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
6250 * config/mips/mips.md (div_trap): Split div_trap_mips16
6252 (div_trap_normal,div_trap_mips16): Correct the length attributes.
6254 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6256 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
6257 Instead of writing to const char *buf directly, use a non-const
6258 variable `wbuf' to allocate and write a string, then set buf = wbuf.
6260 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
6263 * dyn-string.c (dyn_string_append): Likewise.
6265 * dyn-string.h (dyn_string_append): Likewise.
6267 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
6269 * output.h (end_final, output_operand_lossage, asm_fprintf,
6270 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
6273 * profile.c (init_branch_prob): Likewise.
6275 * toplev.c (set_target_switch, vmessage,
6276 v_message_with_file_and_line, v_message_with_decl,
6277 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6278 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6279 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6280 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
6281 open_dump_file, dump_rtl, clean_dump_file,
6282 print_version, print_single_switch, print_switch_values,
6283 dump_base_name, debug_args, lang_independent_options,
6284 user_label_prefix, documented_lang_options, target_switches,
6285 target_options, print_time, pfatal_with_name, fatal_io_error,
6286 fatal_insn, default_print_error_function, print_error_function,
6287 report_error_function, error_with_file_and_line, error_with_decl,
6288 error_for_asm, error, fatal, warning_with_file_and_line,
6289 warning_with_decl, warning_for_asm, warning, pedwarn,
6290 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
6291 really_sorry, botch, output_quoted_string, output_file_directive,
6292 open_dump_file, rest_of_decl_compilation, display_help, main):
6295 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
6296 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
6297 warning_with_file_and_line, error_with_file_and_line, sorry,
6298 really_sorry, default_print_error_function, report_error_function,
6299 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
6300 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
6301 output_file_directive, botch): Likewise.
6303 * tree.h (make_decl_rtl): Likewise.
6305 * varasm.c (strip_reg_name, named_section, decode_reg_name,
6306 make_decl_rtl): Likewise.
6308 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
6310 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
6311 directory logically rather than physically.
6313 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6315 * loop.c (insert_bct): Hide the definition of variables
6316 `increment_direction', `compare_direction', `add_iteration' and
6319 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
6320 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
6321 (mode_independent_operand): Mark label `lose' with
6322 ATTRIBUTE_UNUSED_LABEL.
6324 * regclass.c (n_occurrences): Remove prototype and definition.
6326 * reload.c (find_reloads_address_1): Mark variable `tem' with
6329 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
6331 * sbitmap.c (sbitmap_copy): Likewise.
6333 * scan-decls.c (scan_decls): Hide label `handle_comma'.
6335 * toplev.c (output_lang_identify): Mark prototype with
6338 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
6339 (make_tree_vec): Likewise.
6342 * varasm.c (assemble_static_space): Mark variable `tem' with
6345 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
6347 * Makefile.in (GCOV_INSTALL_NAME): New macro.
6348 (install-common): Use it.
6349 (uninstall): Use it.
6350 (uninstall): Use correct names for protoize and unprotoize.
6352 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
6353 Jeffrey A Law (law@cygnus.com)
6355 * flow.c (last_mem_set): Delete variable. References removed.
6356 (mem_set_list): New variable.
6357 (life_analysis): Initialize and finalize alias analysis.
6358 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
6359 (insn_dead_p): For a store to memory, search the entire mem_set_list
6361 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
6362 changes to their addresses. Add new entries to the mem_set_list for
6363 memory writes writes.
6364 (mark_used_regs): Kill entries on the mem_set_list which may be
6365 referenced by a load operation.
6367 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
6369 * alias.c (base_alias_check): Add missing return for differing
6372 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6374 * mips-tdump.c (print_file_desc): Handle unknown filenames and
6375 missing local symbols.
6377 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
6379 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
6381 * system.h (bcopy): Implement with memmove not memcpy.
6383 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
6385 * Makefile.in (cppulp.o): Add dependencies.
6387 * i386.md (integer conditional moves): Add missing earlyclobbers.
6389 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
6390 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
6391 where a register is live.
6393 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
6395 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
6396 of a FP conditional move is not on the FP register stack.
6398 Sun Jan 17 01:15:04 1999 Jeff Law (law@cygnus.com)
6400 * version.c: Bump for snapshot.
6402 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
6404 * reload1.c (reload_cse_regs_1): Do not call
6405 reload_cse_simplify_operands for an insn with asm operands.
6407 * cccp.c (print_help): Fix typos.
6408 * cpplib.c (print_help): Fix typos.
6409 * toplev.c (f_optiosn): Fix typos.
6410 (documented_lang_options): Fix typos.
6412 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
6414 * gcc.c (do_spec_1): Fix obvious typo.
6416 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6418 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
6419 a non-static function declaration follows a static one.
6421 * invoke.texi (-Wtraditional): Document the extra check now done
6424 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
6426 * pa.md (shadd): Create shadd insns, even if the result of the shift is
6427 needed without the addition.
6429 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6431 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
6433 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
6435 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
6437 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org>
6439 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
6440 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
6441 non_add_cint_operand, non_logical_cint_operand): Likewise.
6442 (get_issue_rate): Add CPU_PPC604E case.
6443 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
6445 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
6447 * expr.c (queued_subexp_p): Make public.
6448 * expr.h (queued_subexp_p): Declare it.
6449 * recog.c (asm_operand_ok): New function.
6450 (check_asm_operands): Use it. After reload, use constrain_operands
6452 * recog.h (asm_operand_ok): Declare it.
6453 * stmt.c (expand_asm_operands): Use it to try harder to make
6454 asms initially satisfy their constraints.
6456 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
6458 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
6459 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
6461 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6463 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
6464 in delay slot of RPTBD.
6466 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6468 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
6469 divide and modulo sign problem.
6471 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6473 * unroll.c (loop_iterations): Return 0 if the last loop insn
6474 is not a jump insn or if the loop has multiple back edges.
6476 1999-01-15 Manfred Hollstein <manfred@s-direktnet.de>
6478 * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3};
6479 it's working properly now. Remove comment saying "see m68k-motorola-sysv
6481 * configure: Regenerate using autoconf.
6483 * fixinc/fixincl.c (main): Do not ignore SIGCHLD.
6485 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
6487 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
6488 a register with another DEST_ADDR giv if the address is not valid.
6490 * pa.c (hppa_expand_epilogue): Save and restore the static chain
6491 around the call to mcount.
6493 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
6495 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
6496 generating non-canonical rtl.
6498 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
6500 * config/i960/i960.c (i960_output_move_double_zero,
6501 i960_output_move_quad_zero): New functions for moving zeros.
6502 (i960_output_move_double, i960_output_move_quad): Additional code
6503 for situation when moving unaligned register group.
6505 * config/i960/i960.h (i960_output_move_double_zero,
6506 i960_output_move_quad_zero): The function definitions.
6508 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
6510 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
6512 * config/i960/i960.c (i960_function_prologue): New code (optimal
6513 solution) for saving global registers in local registers.
6514 (form_reg_groups, reg_group_compare, split_reg_group): New
6515 functions used by the code.
6516 (reg_group): New structure definition for the new code.
6518 1999-01-13 Manfred Hollstein <manfred@s-direktnet.de>
6520 * fixinc/fixincl.c (create_file): Pass file creation mask as
6521 third parameter to "open". Use O_TRUNC flag to open instead of
6522 explicitly unlink'ing the file.
6523 (process): and forget about the "chmod" stuff.
6525 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
6527 * integrate.c (expand_inline_function): Recognize (mem (addressof))
6528 and substitute. Copy the return value from there into a new pseudo.
6530 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
6532 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
6533 before generating a call to abort for volatile functions.
6534 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
6535 (TARGET_ABORT_NORETURN): Define.
6536 (abort-on-noreturn): New option.
6538 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6540 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
6541 and binarycc operations in 3rd annulled delay slot!
6543 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
6545 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
6546 before generating a call to abort for volatile functions.
6547 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
6548 (TARGET_ABORT_NORETURN): Define.
6549 (abort-on-noreturn): New option.
6551 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6553 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
6554 Remove prototype which we get from libiberty.h.
6556 * collect2.c (xstrdup): Likewise.
6558 * genextract.c (xstrdup): Likewise for `copystr'.
6559 (mybzero): Remove it and use `memset' instead.
6561 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
6562 to use `memcpy' and `memset' instead.
6564 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
6565 changed. Remove prototype.
6566 (mybcopy, mybzero): Remove these and use memcpy/memset.
6568 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
6570 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
6571 generating code for TARGET_64BIT.
6573 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org>
6575 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
6576 HOST_WIDE_INT word-size.
6577 (rs6000_stack_info): Remove redundant alignment of fpmem.
6579 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
6581 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
6582 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
6583 (input_operand): Adjust CONSTANT_P_RTX handling.
6584 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
6585 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
6586 (movhi, movqi): Remove CONSTANT_P_RTX handling.
6587 (movdi): Adjust CONSTANT_P_RTX handling.
6589 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
6591 * configure: Regenerate using autoconf.
6593 * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include.
6594 * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems.
6595 (process): "fchmod" isn't available on all systems, use "chmod"
6597 * fixinc/server.c: Add #include <sys/types.h>.
6598 (STDIN_FILENO): Add default definition if no include file defines
6600 (STDOUT_FILENO): Likewise.
6602 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
6604 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
6606 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
6608 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
6609 ensure all prototypes necessary for building libio will be available.
6610 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
6611 definitions here as they are not host specific.
6612 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
6614 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
6616 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
6618 Tue Jan 12 02:36:10 1999 Jeff Law (law@cygnus.com)
6620 * version.c: Bump for snapshot.
6622 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
6624 * rtl.c (rtx_alloc): Use memset instead of inline loop.
6626 * recog.h (recog_op_alt): Declare extern.
6628 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
6630 * function.c (purge_addressof_1): If the note accesses a mem+addressof
6631 in a wider mode than any replacement, adjust the cached replacement.
6632 Cache trivial substitutions as well.
6634 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
6636 * Makefile.in (OBJECTS): Add sbitmap.o.
6637 (BASIC_BLOCK_H): Add sbitmap.h.
6638 * basic-block.h: Move simple bitmap code to sbitmap.h.
6639 * flow.c: Move simple bitmap code to sbitmap.c.
6640 * sbitmap.h, sbitmap.c: New files.
6642 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
6644 * alpha.h (TARGET_SWITCHES): Document switches.
6645 (TARGET_OPTIONS): Likewise.
6647 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
6649 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
6651 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
6653 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
6655 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
6656 (basic_block_end): Rename to x_basic_block_end.
6657 (BLOCK_HEAD, BLOCK_END): Update.
6659 * caller-save.c: Change basic_block_head/end references to
6661 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
6662 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
6663 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
6665 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6667 * gcc.c (xstrerror): Renamed from my_strerror. All callers
6668 changed. Remove prototype since we get that from libiberty.h.
6670 * protoize.c (xstrerror): Likewise.
6672 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6674 * gcc.c (read_specs): Ensure format specifiers match their arguments.
6676 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
6678 * tree.c (copy_node): Oops. That would be copy not zero
6679 in that last change.
6681 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6683 * config/c4x/c4x.c: Include system.h.
6684 (c4x_caller_save_map): Disable caller save for RC.
6685 (c4x_optimization_options): Disable scheduling before reload.
6686 (valid_parallel_load_store) : Define return type as int.
6687 Remove unused variable regs.
6688 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
6690 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
6692 (*db, decrement_and_branch_until_zero): Fix up constraints
6693 to keep reload happy.
6695 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
6697 * tree.c (make_node): Call bzero instead of inline clear.
6698 (copy_node, make_tree_vec, build1): Likewise.
6699 (get_identifier): Call strlen instead of inline count.
6700 (maybe_get_identifier): Likewise.
6702 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6704 * config/c4x/c4x.md (in_annul_slot_3): Allow unarycc and binarycc
6705 operations in 3rd annulled delay slot.
6706 (*lshrqi3_const_set): Disallow c constraint for operand0.
6707 (modhi3+1, modhi3+2): Set attribute type to multi.
6708 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
6711 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * gansidecl.h: Allow attribute unused on labels only when we are
6714 version 2.93 or higher. Not all versions of 2.92 have this feature.
6716 * version.c: Bump minor number to 93.
6718 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6720 * config/m68k/m68k.h: Declare output_function_epilogue.
6721 * recog.h: Declare next_insn_tests_no_inequality.
6723 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
6725 * stmt.c (optimize_tail_recursion): New function, extracted from ...
6726 (expand_return): Use optimize_tail_recursion.
6727 * tree.h (optimize_tail_recursion): Declare.
6729 * toplev.c (compile_file): Move call to output_func_start_profiler
6730 to after the loop to emit deferred functions.
6732 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6734 * system.h (abort): Supply more detailed information on how to
6735 report an Internal Compiler Error.
6737 Thu Jan 7 09:25:58 1999 Bruce Korb (korb@datadesign.com)
6739 * fixinc/fixincl.c (*): More decapitalization of variables
6740 plus some explanatory comments.
6742 * fixinc/Makefile.in fixinc/mkfixinc.sh:
6743 When the fixincl program does not work for a certain system,
6744 we substitute a shell script. Added user commentary when
6747 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
6749 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
6750 allocate memory that will live beyond this function.
6751 (expand_call): Free it here.
6753 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
6755 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
6756 integer data not destined for fp regs.
6757 (LEGITIMIZE_RELOAD_ADDRESS): New.
6759 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
6760 Richard Henderson <rth@cygnus.com>
6762 Support for Hypersparc and Sparclite86x:
6763 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
6764 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
6765 (ASM_CPU32_DEFAULT_SPEC): Likewise.
6766 (TARGET_CPU_DEFAULT): Likewise.
6767 (enum processor_type): Likewise.
6768 (CPP_ENDIAN_SPEC): Handle little endian data.
6769 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
6770 (ADJUST_COST): Call sparc_adjust_cost.
6771 * sparc.c (sparc_override_options): Fix up for the new targets.
6772 (supersparc_adjust_cost): Make static.
6773 (hypersparc_adjust_cost): New.
6774 (ultrasparc_adjust_cost): Make static.
6775 (sparc_adjust_cost): New.
6776 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
6777 (function_unit): Add hypersparc scheduling rules.
6779 * configure.in (with_cpu handler): Recognize hypersparc.
6781 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6783 * config/c4x/c4x.c: Added space after negation operator.
6784 * config/c4x/c4x.h: Likewise.
6785 * config/c4x/c4x.md: Likewise.
6787 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6789 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
6791 Thu Jan 7 00:29:25 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6793 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
6794 when a test can't be performed due to limited width of
6795 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
6796 Fix UDIV case for cases where the first operand has the highest bit
6799 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
6801 * pa.h (reg_class): Add FPUPPER_REGS.
6802 (REG_CLASS_NAMES): Similarly.
6803 (REG_CLASS_CONTENTS): Similarly.
6804 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
6805 (FP_REG_CLASS_P): Likewise.
6806 (REG_CLASS_FROM_LETTER): Similarly.
6807 (CLASS_MAX_NREGS): Similarly.
6809 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
6811 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
6812 for a typedef of bool. Make sure to have a copy of the file is
6813 in place before we look to fix it. Fix typo in variable name to
6816 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
6818 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
6819 value_mode for the return mode.
6821 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
6823 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
6824 debugging as default.
6826 * config/tm-dwarf2.h: New file.
6828 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
6830 * h8300.h (ASM_OUTPUT_LABELREF): Define.
6832 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
6833 * local-alloc.c (update_equiv_regs): Corresponding changes.
6834 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
6836 * calls.c (special_function_p): Push alloca test inside the large
6837 conditional which excludes functions not at file scope or not
6840 * calls.c (special_function_p): New function broken out of
6842 (precompute_register_parameters): Likewise.
6843 (store_one_arg): Likewise.
6844 (store_unaligned_argumetns_into_pseudos): Likewise.
6845 (save_fixed_argument_area): Likewise.
6846 (restore_fixed_argument_area): Likewise.
6847 (expand_call): Corresponding changes.
6849 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6851 * config/c4x/c4x.md (addqi3): If the destination operand is
6852 a hard register other than an extended precision register,
6853 emit addqi3_noclobber.
6854 (*addqi3_noclobber_reload): New pattern added so that reload
6855 will recognize a store of a pseudo, equivalent to the sum
6856 of the frame pointer and a constant, as an add insn.
6858 1999-01-06 Manfred Hollstein <manfred@s-direktnet.de>
6860 * fixinc/fixincl.c: Re-indent according to the GNU standards.
6861 fixinc/server.c: Likewise.
6862 fixinc/server.h: Likewise.
6864 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6866 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
6868 (const_sint32_operand): Likewise.
6870 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6872 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
6873 is a macro when deciding if we can use `jmp_buf' in prototypes.
6875 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net>
6877 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
6878 * configure: Rebuilt.
6879 * i386/xm-go32.h: Define LIBSTDCXX.
6881 * i386/go32.h (MD_EXEC_PREFIX): Define.
6882 (FILE_NAME_ABSOLUTE_P): Define.
6883 (LINK_COMMAND_SPEC): Define.
6885 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
6887 * expr.c (store_expr): If the lhs is a memory location pointed
6888 to be a postincremented (or postdecremented) pointer, always
6889 force the rhs to be evaluated into a pseudo.
6891 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
6893 * real.c (mtherr): Print more reasonable warning messages.
6895 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6897 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
6899 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
6900 (new_include_prefix): Constify char* parameters.
6902 * cppfiles.c (read_name_map): Likewise.
6903 (append_include_chain): Likewise. Also, use a writable char* copy
6904 of parameter `dir' which we then modify, rather than using the
6905 parameter itself to store the new writable string.
6906 (remap_filename): Constify some variables. Also, use a writable
6907 char* to store an allocated string which we will be modifying.
6909 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
6910 (cpp_start_read): Constify variable `str'.
6912 * cpplib.h (append_include_chain): Constify a char* parameter.
6914 * gcc.c Include prefix.h, don't prototype prefix.c functions.
6915 (add_prefix, save_string): Constify char* parameters.
6916 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
6918 * prefix.c: Include prefix.h.
6919 (get_key_value, translate_name, save_string, update_path,
6920 set_std_prefix): Constify various char* parameters and variables.
6921 (save_string): Use xmalloc, not malloc.
6922 (translate_name): Use a writable temporary variable to create and
6923 modify a string before setting it to a const char*.
6925 * prefix.h: New file to prototype functions exported from prefix.c.
6927 Tue Jan 5 08:52:18 1999 Bruce Korb (korb@datadesign.com)
6929 * fixinc/fixincl.c (various): Added debug code so
6930 Manfred can trace the processing.
6932 * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of
6933 struct utsname on Ultrix V4.[35].
6935 * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : Regenerated.
6937 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
6939 * cpplib.c (skip_if_group): Split out the logic that handles
6940 directive recognition to its own function. Don't use
6941 parse markers; use a bare pointer into the buffer. Use
6942 copy/skip_rest_of_line instead of doing it by hand. Remove
6943 `return on any directive' mode which was never used, and take
6945 (consider_directive_while_skipping): New function, subroutine
6946 of skip_if_group. Logic streamlined a bit.
6947 (conditional_skip, do_elif, do_else): Call skip_if_group with
6950 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
6952 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
6955 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
6957 * extend.texi (Bound member functions): Document.
6959 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6961 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
6962 lang_to_string, type_to_string): Make return type const char*.
6963 (print_symbol): Apply `const' keyword to a char*.
6964 (print_file_desc): Cast structure member `crfd' to ulong when
6965 comparing against one.
6967 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
6968 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
6969 (progname, input_name): Apply `const' keyword to a char*.
6970 Don't redundantly include sys/stat.h.
6971 (alloc_info): Apply `const' keyword to a char*.
6972 (st_to_string, sc_to_string): Likewise.
6973 (hash_string): Cast variable `hash_string' to a symint_t when
6974 comparing against one.
6975 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
6976 Likewise cast it to long when comparing against one.
6977 (add_local_symbol): Apply `const' keyword to a char*.
6978 (add_ext_symbol): Likewise.
6979 (add_unknown_tag): Likewise.
6980 (add_procedure): Cast a printf-style field width to an int.
6981 (add_file): Cast PAGE_USIZE to long when comparing against one.
6982 (parse_begin): Cast a printf-style field width to an int.
6983 (parse_bend): Likewise.
6984 (parse_def): Likewise.
6985 (parse_end): Likewise.
6986 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
6987 (parse_stabs_common): Fix format specifier.
6988 (parse_input): Change type of variable `i' to Size_t.
6989 (write_object): Fix arguments to match format specifiers.
6990 Cast variable `num_write' to long when comparing against one.
6991 (read_seek): Cast variable `sys_read' to symint_t when comparing
6992 against one. Fix arguments to match format specifiers. Cast
6993 variable `size' to long when comparing against one.
6994 (copy_object): Cast result of `sizeof' to int when comparing
6995 against one. Fix arguments to match format specifiers. Cast
6996 variable `ifd' to long when comparing against a signed value.
6999 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7001 * c-common.c (decl_attributes): Allow applying attribute `unused'
7004 * c-parse.in (label): Parse attributes after a label, and call
7005 `decl_attributes' to handle them.
7007 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
7009 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
7010 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
7012 * invoke.texi: Note that labels can be marked `unused'.
7014 Sun Jan 3 23:32:18 1999 Jeff Law (law@cygnus.com)
7016 * version.c: Bump for snapshot.
7018 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
7020 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
7021 RTL for a compare/jump sequence.
7023 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7025 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
7026 for a target with HAVE_cc0 defined.
7027 (emit_cmp_and_jump_insns): New function.
7028 * expr.h (emit_cmp_and_jump_insns): Prototype it.
7029 * loop.c (check_dbra_loop): Use it to replace calls
7030 to emit_cmp_insn and emit_jump_insn and to canonicalize
7031 the comparison if necessary.
7032 * unroll.c (unroll_loop): Likewise.
7034 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7036 * fixincludes (sys/utsname.h): Provide forward declaration of
7037 struct utsname on Ultrix V4.[35].
7039 * mips.md (div_trap): Use local labels instead of dot-relative
7042 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
7044 * pa.md (branch, negated branch): Handle (const_int 0) as first
7046 * pa.c (output_cbranch): Likewise.
7048 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org>
7050 * rs6000.c (rs6000_stack_info): Undo spurious part of last
7053 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
7055 * extend.texi (__builtin_constant_p): Add missing @smallexample.
7057 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
7059 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
7061 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
7063 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
7064 (adddi_dishl32): Similarly.
7066 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
7067 for each insn in the skipped block.
7069 * reload1.c (reload_as_needed): Verify that the insn satisfies its
7070 constraints after replacing a register address with an autoincrement
7071 address for reload inheritance purposes.
7073 * i386.md (doubleword shifts): Avoid namespace pollution.
7075 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
7077 * configure.in (FreeBSD ELF): Needs special crt files.
7079 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
7081 * i386/xm-cygwin.h: Change DIR_SEPARATOR to forward slash.
7083 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7085 * loop.c (check_dbra_loop): While reversing the loop, if the
7086 comparison value has a VOID mode use the mode of the other operand
7087 to compute the mask.
7089 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
7091 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
7092 avoid warnings in compiling explow.c.
7094 (patch from Ken Raeburn, raeburn@cygnus.com)
7095 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
7096 fpmem_offset. Compute total size after that, and then
7097 rs6000_fpmem_offset using both values.
7099 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7101 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
7102 the future; indeed that already happens in some cases.
7104 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
7106 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
7107 (arith_operand): Remove constant_p_rtx handling.
7108 (const64_operand, const64_high_operand): Likewise.
7109 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
7110 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
7111 (small_int_or_double, uns_small_int, zero_operand): Likewise.
7112 * sparc.h (PREDICATE_CODES): Likewise.
7114 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
7116 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7118 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
7119 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
7120 consider constant CONSTRUCTOR constant and to defer some cases
7122 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
7123 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
7125 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
7127 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
7128 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
7130 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
7131 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
7132 (sext_add_operand, and_operand, or_operand): Likewise.
7133 (reg_or_cint_operand, some_operand, input_operand): Likewise.
7134 * alpha.h (PREDICATE_CODES): Likewise.
7136 Sat Dec 26 23:26:26 1998 Jeff Law (law@cygnus.com)
7138 * version.c: Bump for snapshot.
7140 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
7142 * gengenrtl.c (gencode): Always use bzero to clear memory instead
7143 of dangerous casts and stores.
7145 * Makefile.in (compare, gnucompare): Add missing else true clauses.
7147 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
7149 * alpha.md (builtin_longjmp): Add missing "DONE".
7151 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
7153 * gcc.c (execute): Enable -pipe with win32.
7155 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
7157 * config/arm/t-arm-elf: Add multiplib option for leading
7160 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
7161 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
7163 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
7164 than variable 'reload_address_base_reg_class'. [Note this
7165 change is unrelated to the others in this patch].
7167 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
7170 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7172 * alias.c (record_alias_subset): Remove ignored `&'.
7173 (init_alias_once): Likewise.
7175 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
7177 * config/mips/mips.c (mips_asm_file_end): Cast the result of
7178 fwrite to `int' when comparing against one.
7180 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
7181 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
7183 * cse.c (rehash_using_reg): Change type of variable `i' to
7186 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
7187 assigning it to one.
7189 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
7191 * final.c (final_scan_insn): Likewise for variable `i'.
7192 (output_asm_insn): Cast a char to unsigned char when used as an
7195 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
7196 assigning it to one.
7198 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
7200 * recog.c (preprocess_constraints): Cast a char to unsigned char
7201 when used as an array index.
7203 * regmove.c (find_matches): Likewise.
7205 * reload1.c (calculate_needs): Add default case in switch.
7206 (eliminate_regs_in_insn): Initialize variable `offset'.
7207 (set_offsets_for_label): Change type of variable `i' to unsigned.
7208 (reload_as_needed): Wrap variable `i' in macro check on
7209 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
7211 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
7212 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
7213 when comparing against one.
7215 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
7216 unsigned when comparing against one. Likewise for
7217 GET_MODE_ALIGNMENT().
7218 (layout_record): Cast record_align to int when comparing against a
7220 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
7223 * tree.c (get_identifier): Cast variable `len' to unsigned when
7224 comparing against one.
7225 (maybe_get_identifier): Likewise
7227 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
7229 * toplev.c (rest_of_compilation): Do not set reload_completed.
7230 * reload1.c (reload): Set reload_completed before calling
7231 cleanup_subreg_operands.
7233 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
7235 * reload1.c (emit_reload_insns): Check `set' not null before use.
7237 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
7239 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
7242 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7244 * halfpic.c (half_pic_encode): Delete redundant code.
7246 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
7248 * toplev.c (main): Delete handling of -dM as a preprocessor
7251 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
7253 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
7254 -dI, which are handled by the preprocessor.
7256 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
7258 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
7259 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
7261 Sun Dec 20 07:39:52 1998 Jeff Law (law@cygnus.com)
7263 * version.c: Bump for snapshot.
7265 Sat Dec 19 22:24:22 1998 Jeff Law (law@cygnus.com)
7267 * version.c: Bump for snapshot.
7269 Sat Dec 19 21:41:32 1998 Jeff Law (law@cygnus.com)
7271 * version.c: Bump for snapshot.
7273 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7275 * genattr.c (fatal): Qualify a char* with the `const' keyword.
7277 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
7278 write_unit_name, write_eligible_delay, expand_units,
7279 make_length_attrs, write_attr_case, find_attr,
7280 make_internal_attr): Likewise.
7281 * gencheck.c (tree_codes): Likewise.
7282 * gencodes.c (fatal): Likewise.
7283 * genconfig.c (fatal): Likewise.
7284 * genemit.c (fatal): Likewise.
7285 * genextract.c (fatal, walk_rtx, copystr): Likewise.
7286 * genflags.c (fatal): Likewise.
7287 * genopinit.c (fatal, optabs, gen_insn): Likewise.
7288 * genoutput.c (fatal, error, predicates): Likewise.
7289 * genpeep.c (fatal): Likewise.
7290 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
7291 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
7293 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7295 * configure.in (with-fast-fixincludes): Fix whitespace.
7296 * configure: Rebuilt.
7298 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
7299 asm() etc. function declarations in __DECC.
7301 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
7303 * expr.c (emit_move_insn_1): Only emit a clobber if the target
7304 is a pseudo register.
7306 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
7308 * gcse.c: Include expr.h in order to get the prototype for
7309 get_condition() which is used in delete_null_pointer_checks().
7311 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
7315 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
7317 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
7318 (ALL_CFLAGS): Delete SCHED_CFLAGS.
7320 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
7322 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
7325 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
7327 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
7328 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
7329 optimizations from the combiner.
7331 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7333 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
7335 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
7337 * toplev.c (main): Disable optimize_size if a specific
7338 optimization level is requested. Always set optimization
7339 level to 2 if -Os is specified.
7341 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
7343 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
7345 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
7346 initialize it using fname.
7348 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
7350 * cpplib.c (do_include): Treat #include_next in the
7351 primary source file as #include plus warning. Treat
7352 #include_next in a file included by absolute path as an
7353 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
7355 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7357 * cccp.c: Don't define MIN/MAX anymore.
7358 * cpplib.c: Likewise.
7359 * machmode.h: Likewise.
7360 * system.h: Provide definitions for MIN/MAX.
7362 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7364 * fix-header.c: Don't define xstrdup here.
7366 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7368 * loop.c (consec_sets_giv): New argument last_consec_insn.
7369 (strength_reduce): Provide / use it.
7371 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7373 * loop.h (loop_info): New field 'vtop'.
7374 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
7375 scanning loop for vtop.
7376 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
7377 (loop_iterations): Use them to determine if loop has a constant
7378 number of iterations. Set loop_info->vtop. Don't subtract
7379 common reg term from initial_value and final_value if have a
7382 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
7384 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
7386 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
7388 * mn10200.md (abssf2, negsf2): New expanders.
7390 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
7392 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
7394 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
7395 replaced by a CONCAT whose components do not have the same
7396 mode as the original SUBREG, use a new SUBREG to restore the
7399 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
7400 multiword complex values.
7402 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
7404 * cppalloc.c: Add xstrdup here.
7405 * cpplib.h: Remove savestring prototype.
7406 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
7408 * cppfiles.c: s/savestring/xstrdup/ throughout.
7410 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
7412 * cpplib.c: Make all directive handlers read their own
7414 (struct directive): Remove last two arguments from FUNC
7415 member prototype. Remove `command_reads_line' member
7417 (directive_table): Remove initializations of
7418 command_reads_line flag. Pretty-print.
7419 (eval_if_expression, do_define, do_line, do_include,
7420 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
7421 do_else, do_elif, do_sccs, do_assert, do_unassert,
7422 do_warning): Take only two args.
7424 (cpp_define): Call do_define with two args and the text to
7425 define stuffed into a buffer.
7426 (make_assertion): Call do_assert with two args.
7427 (handle_directive): Call do_line with two args. Call
7428 kt->func with two args. Remove command_reads_line
7430 (do_define, do_undef, do_error, do_warning, do_pragma,
7431 do_sccs): Read the rest of the line here.
7432 (do_ident): Gobble rest of line, as cccp does.
7433 (cpp_undef): New function.
7434 (cpp_start_read): Call cpp_undef instead of do_undef.
7436 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
7438 * cpphash.h (union hash_value): Remove `keydef' member, add a
7439 `struct hashnode *aschain' member for #assert.
7441 * cpplib.c (struct tokenlist_list, struct
7442 assertion_hashnode): Delete structure definitions.
7443 (assertion_install, assertion_lookup, delete_assertion,
7444 check_assertion, compare_token_lists, reverse_token_list,
7445 read_token_list, free_token_list): Delete functions.
7446 (parse_assertion): New function.
7447 (cpp_cleanup): Don't destroy the assertion_hashtable.
7449 (do_assert): Gut and rewrite. #assert foo (bar) places
7450 entries for `#foo' and `#foo(bar)' in the macro hash table,
7451 type T_ASSERT. The value union's `aschain' member is used
7452 to chain all answers for a given predicate together.
7453 (do_unassert): Also rewritten. Take an un-asserted
7454 answer off the chain from its predicate and call
7455 delete_macro on the hashnode, or walk a predicate chain
7456 calling delete_macro on all the entries.
7457 (cpp_read_check_assertion): Simply call parse_assertion to
7458 get the canonical assertion name, and look that up in the
7461 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
7464 * cpphash.c (install): Use bcopy instead of an explicit loop
7465 to copy the macro name.
7467 * cppexp.c (cpp_lex): Convert the result of
7468 cpp_read_check_assertion to a `struct operation' directly;
7469 don't go through parse_number.
7471 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7473 * loop.h (struct induction): Delete times_used member.
7474 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
7475 (n_times_used): Rename to n_times_set. Changed all users.
7476 (scan_loop): Free reg_single_usage before strength reduction.
7477 (record_giv, combine_givs): Remove handling of times_used member.
7478 (combine_givs_used_once): Rename to:
7479 (combine_givs_used_by_other) . Changed all callers.
7481 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
7483 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
7484 instead of TREE_CODE_CLASS == 't'.
7485 (gen_type_die): Likewise.
7486 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
7488 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
7490 * real.c (endian): Disable last change unless
7491 HOST_BITS_PER_WIDE_INT is greater than 32.
7493 Mon Dec 14 17:13:36 1998 Andrew MacLeod <amacleod@cygnus.com>
7495 * output.h (force_data_section): New prototype.
7496 * varasm.c (force_data_section): New function to force the
7497 data section, regardless of what in_section thinks.
7498 * dwarf2out.c (output_call_frame_info): Call force_data_section
7499 since varasm may not realize we've changes sections.
7501 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
7503 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
7504 after completing reload.
7506 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
7507 deleted after reload.
7509 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
7511 * rtl.h (multiple_sets): Fix prototype.
7512 * rtlanal.c (multiple_sets): Fix return type.
7514 Sun Dec 13 12:43:58 1998 Jeff Law (law@cygnus.com)
7516 * version.c: Bump for snapshot.
7518 Sun Dec 13 01:05:22 1998 Jeff Law (law@cygnus.com)
7520 * version.c: Bump for snapshot.
7522 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
7524 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
7526 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7528 * rtl.h (recompute_reg_usage): Add second argument.
7529 * flow.c (recompute_reg_usage): Likewise.
7530 * toplev.c (rest_of_compilation): Supply second argument to
7531 recompute_reg_usage.
7533 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
7536 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
7538 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
7539 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
7540 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
7543 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
7545 * rtlanal.c (multiple_sets): New function.
7546 * rtl.h (multiple_sets): Declare it.
7547 * local-alloc.c (wipe_dead_reg): Use it.
7548 * global.c (global_conflicts): Likewise.
7550 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
7552 * global.c (record_conflicts): Don't use an array of shorts to
7553 store an array of ints.
7554 (global_conflicts): Likewise.
7556 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
7558 * alpha.c (alpha_expand_block_move): mode_for_size expects
7559 bits, not bytes. Infer extra alignment from addressof.
7561 1998-12-11 Michael Meissner <meissner@cygnus.com>
7563 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
7564 .sbss section, not .sdata.
7566 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
7568 * cccp.c: Do not #include <sys/stat.h> here; this is already done
7570 * collect2.c: Likewise.
7571 * cpplib.h: Likewise.
7574 * getpwd.c: Likewise.
7575 * protoize.c: Likewise.
7576 * toplev.c: Likewise.
7578 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
7579 and don't try to define it here.
7580 * Makefile.in (cppmain.o): Depend on machmode.h.
7581 (cpplib.o): Likewise.
7582 (cpperror.o): Likewise.
7583 (cppexp.o): Likewise.
7584 (cppfiles.o): Likewise.
7585 (cpphash.o): Likewise.
7586 (cppalloc.o): Likewise.
7587 (fix-header.o): Likewise.
7588 (scan-decls.o): Likewise.
7590 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
7592 * sh.c (print_operand): Lookup interrupt_handler attribute instead
7593 of relying on static variable.
7594 * (calc_live_regs): Likewise.
7595 * (sh_pragma_insert_attributes): Create interrupt_handler
7596 attribute if a pragma was specified.
7597 * (sh_valid_machine_decl_attribute): Don't set static flag.
7598 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
7600 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7602 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
7603 to determine if a register is live at a jump destination.
7604 Everything is dead at a BARRIER.
7606 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
7608 * cse.c (simplify_unary_operation): Sign-extend constants when
7609 they have the most significant bit set for the target.
7610 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
7612 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
7613 HOST_WIDE_INT temporary before negating it.
7614 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
7616 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
7618 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
7621 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7623 * collect2.h: New header file for prototypes.
7625 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
7627 * collect2.c: Include collect2.h.
7628 * tlink.c: Likewise.
7630 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
7632 * flow.c: Update some comments.
7634 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
7636 * objc/objc-act.c (cpp_initialized): Removed.
7637 (lang_init_options): Initialize cpplib.
7638 (lang_decode_option): Move initialization of cpplib to
7640 * c-lang.c (parse_options,parse_in): Added.
7641 (lang_init_options): Initialized cpplib here.
7642 * c-decl.c (parse_options,cpp_initialized): Removed.
7643 (c_decode_option): Move initialization of cpplib to
7646 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7648 * reload1.c (reload_combine, reload_combine_note_store):
7649 Make STORE_RUID always valid.
7650 (reload_combine): Check if BASE is clobbered too early.
7652 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
7654 * reload.c (find_reloads): Display the insn that cannot be
7657 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
7659 * cccp.c (create_definition): Fix end of buffer logic.
7661 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7663 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
7664 pointer parameters changed to use the PARAMS() macro.
7666 Wed Dec 9 09:12:40 1998 Andrew MacLeod <amacleod@cygnus.com>
7668 * except.h (struct handler_info): Add handler_number field.
7669 * except.c (gen_exception_label): EH labels no longer need to be
7670 on the permanent obstack.
7671 (get_new_handler): Set the label number field.
7672 (output_exception_table_entry): Regenerate handler label reference
7673 from the label number field.
7674 (init_eh): Remove a blank line.
7675 * integrate.c (get_label_from_map): Labels no longer need to be
7676 on the permanent obstack.
7678 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
7680 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
7681 only when OUTER_CODE is SET.
7683 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7685 * loop.c (strength_reduce): If scan_start points to the loop exit
7686 test, be wary of subversive use of gotos inside expression statements.
7687 Don't set maybe_multiple for a backward jump that does not
7688 include the label under consideration into its range.
7689 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
7691 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7693 * explow.c (plus_constant_wide): Don't immediately return with
7694 result of recursive call.
7696 Tue Dec 8 15:32:56 1998 Andrew MacLeod <amacleod@cygnus.com>
7698 * eh-common.h (struct eh_context): Add table_index for rethrows.
7700 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
7701 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
7702 processed when inlined or unrolled (ie duplicated in some way).
7704 * rtl.c (reg_note_name): Add strings for new reg_note enums.
7706 * expr.h (rethrow_libfunc): New library decl.
7708 * optabs.c (rethrow_libfunc): Initialize.
7710 * except.h (struct eh_entry): Add new field 'rethrow_label'.
7711 (new_eh_region_entry): No longer exported from except.c.
7712 (duplicate_handlers): Renamed to duplicate_eh_handlers and
7713 different prototype.
7714 (rethrow_symbol_map, rethrow_used): New exported functions.
7715 (eh_region_from_symbol): New exported function.
7717 * except.c (create_rethrow_ref): New function to create a single
7718 SYMBOL_REF for a rethrow region.
7719 (push_eh_entry): Initialize a rethrow ref.
7720 (func_eh_entry): Add a rethrow_label field.
7721 (new_eh_region_entry): Make static, and initialize the rethrow entry.
7722 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
7723 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
7724 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
7725 a region into an appropriate new symbol.
7726 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
7727 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
7728 (end_catch_handler): Emit a barrier for new-exceptions since
7729 control can never drop through the end of a catch block.
7730 (expand_end_all_catch): new-exceptions never fall through a catch
7732 (expand_rethrow): Use __rethrow routine for new exceptions.
7733 (output_exception_table_entry): Generate rethrow labels, if needed.
7734 (output_exception_table): Generate start and end rethrow labels.
7735 (init_eh): Create rethrow symbols for beginning and end of table.
7736 (scan_region): Don't eliminate EH regions which are the targets of
7739 * flow.c (make_edges): Add different edges for rethrow calls,
7740 identified by having the REG_EH_RETHROW reg label.
7741 (delete_unreachable_blocks): Don't delete regions markers which are
7742 the target of a rethrow.
7744 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
7745 allow save_for_inline_copying to call duplicate_eh_handlers.
7746 (save_for_inline_copying): Call duplicate_eh_handlers instead of
7747 exposing internal details of exception regions.
7748 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
7749 (expand_inline_function_eh_labelmap): New callback routine to
7750 allow expand_inline_function to call duplicate_eh_handlers.
7751 (expand_inline_function): Call duplicate_eh_handlers instead of
7752 exposing internal details of exception regions.
7753 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
7756 * libgcc2.c (find_exception_handler): Generalize to enable it to
7757 pick up processing where it left off last time for a rethrow.
7758 (__unwinding_cleanup): New function. debug hook which is called before
7759 unwinding when __throw finds there is nothing but cleanups left.
7760 (throw_helper): Common parts of __throw extracted out for reuse.
7761 (__throw): Common parts moved to throw_helper.
7762 (__rethrow): New function for performing rethrows.
7764 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
7766 * reload1.c (current_function_decl): Tweak declaration.
7768 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
7770 * c-decl.c (flag_isoc9x): Default off.
7771 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
7772 * cccp.c (print_help, main): Likewise.
7773 * gcc.c (default_compilers): Update for -std=gnu*.
7775 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
7777 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
7778 * demangle.h: Deleted.
7780 * reload1.c (current_function_decl): Declare.
7782 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7784 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
7786 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7788 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
7790 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
7792 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
7794 * configure: Rebuilt.
7795 * system.h: If the *_unlocked functions are available use them
7796 instead of the locked counterparts by defining macros.
7797 * config.in: Regenerated.
7799 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
7801 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
7802 wrong and should only be used for dump related things, not
7803 debugging information, instead main_input_filename should be used.
7804 Also, reuse output_file_directive if possible.
7805 * i386/aix386ng.h (ASM_FILE_START): Likewise.
7806 * i386/isc.h (ASM_FILE_START): Likewise.
7807 * i386/win-nt.h (ASM_FILE_START): Likewise.
7808 * i386/sun386.h (ASM_FILE_START): Likewise.
7810 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
7812 * configure.in (mips*-*-linux*): Handle big and little endian
7814 * configure: Rebuilt.
7816 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
7818 * emit-rtl.c: Fix typo.
7820 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
7822 * reload1.c (eliminate_regs): Don't do anything, if we're not
7825 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
7827 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
7829 * mips/mips.c (mips_select_section): Add comment.
7831 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
7833 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
7834 characters in file names in #line to be consistent with #include
7835 handling. We support escape processing in the # 1 "..." version of
7836 the command. See also support in cp/lex.c.
7837 (handle_directive): Likewise.
7838 (do_line): Likewise.
7840 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
7842 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
7843 so it'll work on non-ASCII platforms. Always consider $ an
7844 identifier character. Take no arguments.
7845 (cpp_reader_init): Call initialize_char_syntax with no
7847 (cpp_start_read): Don't call initialize_char_syntax again.
7848 Clear is_idchar['$'] and is_idstart['$'] if not
7849 opts->dollars_in_ident.
7851 * cpplib.h (struct cpp_reader): Replace void *data element by
7852 cpp_options *opts. Rearrange elements to make gdb printout
7853 less annoying (put buffer stack at end).
7854 (CPP_OPTIONS): Get rid of now-unnecessary cast.
7856 * cppmain.c: s/data/opts/ when initializing cpp_reader
7858 * c-decl.c: Likewise.
7859 * objc/objc-act.c: Likewise.
7860 * fix-header.c: Likewise.
7862 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
7864 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
7865 with a struct file_name_list pointer.
7866 (struct cpp_reader): Add pointer to chain of `actual
7867 directory' include searchpath entries.
7868 (struct file_name_list): Add *alloc pointer for the sake of
7869 the actual-directory chain.
7871 Move definition of HOST_WIDE_INT here.
7872 (cpp_parse_escape): Change prototype to match changes in
7875 * cppfiles.c (actual_directory): New function.
7876 (finclude): Use it to initialize the buffer's actual_dir
7878 (find_include_file): We don't need to fix up max_include_len
7881 * cpplib.c (do_include): Don't allocate a file_name_list on
7882 the fly for current directory "" includes, use the one that's
7883 been preallocated in pfile->buffer->actual_dir. Hoist out
7884 duplicate code from the search_start selection logic.
7885 (cpp_reader_init): Initialize pfile->actual_dirs.
7887 Remove definition of HOST_WIDE_INT. Change calls
7888 to cpp_parse_escape to match changes in cppexp.c (note
7889 hardcoded MASK, which is safe since this is the source
7892 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
7893 to handle wide character constants in #if directives. The
7894 function now returns a HOST_WIDE_INT, and takes a third
7895 argument which is a binary mask for all legal values (0x00ff
7896 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
7897 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
7898 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
7900 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
7902 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
7904 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7906 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
7907 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
7908 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
7910 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
7912 * final.c (output_asm_name): Use tabs to separate comments from
7915 Include instruction lengths (if defined) in output.
7917 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7919 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
7920 in the loop_info structure.
7922 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
7924 * configure.in (arm*-*-ecos-elf): New target.
7925 * configure: Regenerated.
7926 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
7927 * config/arm/ecos-elf.h: New file.
7928 * config/arm/unknown-elf.h (TARGET_VERSION): Check
7931 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7933 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
7935 Sun Dec 6 04:19:45 1998 Jeff Law (law@cygnus.com)
7937 * version.c: Bump for snapshot.
7939 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7941 * loop.c (check_dbra_loop): New argument loop_info. Update fields
7944 Sun Dec 6 03:40:13 1998 Jeff Law (law@cygnus.com)
7946 * version.c: Bump for snapshot.
7948 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7950 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
7951 compressed reports are ok and preferred over URLs.
7953 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7955 * invoke.texi (Warning Options): Soften the tone of -pedantic.
7957 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
7959 * print-rtl.c (print_rtx): Add prototype.
7961 * unroll.c (iteration_info): Make it static.
7963 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
7965 * alias.c (memrefs_conflict_p): A second ANDed address
7966 disables the aligned address optimization.
7968 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
7970 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
7973 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
7975 * i960.h (BOOL_TYPE_SIZE): Define.
7977 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7979 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
7980 from old valid_parallel_operands_4.
7981 (valid_parallel_operands_4): Check that operands for 4 operand
7982 parallel insns are valid, excluding load/store insns.
7983 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
7984 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
7985 valid_parallel_load_store instead of valid_parallel_operands_4.
7986 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
7987 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
7988 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
7989 *notqi_movqi_clobber): Use valid_parallel_operands_4.
7990 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
7991 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
7992 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
7994 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7996 * config/c4x/c4x.c (iteration_info): Delete extern.
7998 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8000 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
8002 * final.c (cleanup_subreg_operands): Delete some unused code.
8004 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
8005 (struct insn_alternative): New structure definition.
8006 (recog_op_alt): Declare variable.
8007 (preprocess_constraints): Declare function.
8008 * recog.c (recog_op_alt): New variable.
8009 (extract_insn): Verify number of alternatives is in range.
8010 (preprocess_constraints): New function.
8011 * reg-stack.c: Include recog.h.
8012 (constrain_asm_operands): Delete.
8013 (get_asm_operand_lengths): Delete.
8014 (get_asm_operand_n_inputs): New function.
8015 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
8016 N_OUTPUTS args. All callers changed.
8017 Compute number of inputs and outputs here by calling
8018 get_asm_operand_n_inputs.
8019 Instead of constrain_asm_operands, call extract_insn,
8020 constrain_operands and preprocess_constraints. Use information
8021 computed by these functions throughout.
8022 (record_reg_life): Delete code that is unused due to changes in
8023 record_asm_reg_life.
8024 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
8025 N_INPUTS and N_OUTPUTS args. All callers changed.
8026 Similar changes as in record_asm_reg_life.
8027 (subst_stack_regs): Move n_operands declaration into the if statement
8029 Delete code that is unused due to changes in subst_asm_stack_regs.
8030 * stmt.c (expand_asm_operands): Verify number of alternatives is in
8032 * Makefile.in (reg-stack.o): Depend on recog.h.
8034 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
8036 * except.c (set_exception_version_code): Argument is an "int".
8038 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
8040 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
8041 * configure: Rebuilt.
8043 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
8045 * configure.in (mipsel-*-linux*): New target.
8046 * mips/linux.h: New file, based on other Linux targets.
8048 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
8050 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
8051 runs in the context of the deleter, not the deletee, so we must
8052 use taskVarGet to find the correct memory to free.
8053 (__gthread_key_create): Initialize the task
8054 variable subsystem so that the task variable is still active when
8055 the delete hook is run.
8057 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
8059 * pdp11.h: Use optimize_size for space optimizations.
8060 * pdp11.c: Likewise.
8061 * pdp11.md: Likewise.
8063 * pdp11.h (TARGET_40_PLUS): Fix typo.
8065 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
8067 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
8070 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8072 * alias.c (addr_side_effect_eval): New function.
8073 (memrefs_conflict_p): Use it.
8074 * rtl.h (addr_side_effect_eval): Prototype it.
8076 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
8078 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
8080 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
8082 * reload.c (find_reloads): When force const to memory, put result
8083 in substed_operand not *recog_operand_loc.
8085 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
8087 * c-lex.c: Fix indentation from last patch.
8088 Remove trailing whitespace.
8091 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
8093 * flow.c (delete_block): Call set_last_insn after we have reset
8094 NEXT_INSN (kept_tail).
8096 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
8098 * mips.md (trap_if): Use "$0" for the value zero.
8100 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
8101 Stephen L Moshier <moshier@world.std.com>
8102 Richard Henderson <rth@cygnus.com>
8104 * c-common.c (declare_function_name): Declare predefined variable
8107 * c-decl.c (flag_isoc9x): Set to 1 by default.
8108 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
8109 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
8111 * c-parse.in: Allow constructors in ISO C 9x.
8112 Rewrite designator list handling.
8113 Allow [*] parameters.
8114 Don't warn about comma at end of enum definition for ISO C 9x.
8116 * cccp.c (c9x): New variable.
8117 (rest_extension): New variable.
8118 (print_help): Document new -std= option.
8119 (main): Recognize -std= option. Set c9x appropriately.
8120 (create_definition): Recognize ISO C 9x vararg macros.
8122 * gcc.c (default_compilers): Adjust specs for -std options.
8123 (option_map): Add --std.
8124 (display_help): Document -std.
8126 * toplev.c (documented_lang_options): Add -std and remove
8129 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
8130 or REAL_VALUE_HTOF based on base of the constants.
8131 * fold-const.c (real_hex_to_f): New function. Replacement function
8132 for hex FP conversion if REAL_ARITHMETIC is not defined.
8133 * real.c (asctoeg): Add handling of hex FP constants.
8134 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
8137 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
8139 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
8140 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
8141 expansion. Use hi/lo as destination register.
8143 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
8144 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
8145 Avoid as macro expansion. Use hi/lo as destination register.
8147 * mips.h (MASK_CHECK_RANGE_DIV): New.
8148 (MASK_NO_CHECK_ZERO_DIV): New.
8149 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
8150 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
8151 return address for leaf functions out of r31 to support
8152 builtin_return_address.
8154 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8156 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
8157 NEXT_INSN(x) to check insn x.
8159 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
8161 * flow.c (delete_block): Call set_last_insn if we end up deleting the
8162 last insn in the rtl chain.
8164 * reload1.c (reload): Do not set reload_completed or split insns
8166 * toplev.c (rest_of_compilation): Set reload_completed after
8167 reload returns. Split insns after reload_cse has run.
8169 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
8171 * final.c (final_scan_insn): Abort if block_depth falls below 0.
8173 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
8175 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
8177 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
8179 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
8180 use of user-label_prefix.
8182 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8184 * reload1.c (emit_reload_insns): Clear spill_reg_store
8185 when doing a new non-inherited reload from the same pseudo.
8187 * local-alloc.c (function_invariant_p): New function.
8188 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
8189 to decide if an equivalence should be recorded.
8190 * reload1.c (num_eliminable_invariants): New static variable.
8191 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
8192 to decide if an equivalence should be recorded.
8194 (calculate_needs_all_insns): Skip insns that only set an equivalence.
8195 Take num_eliminable_invariants into account when deciding
8196 if register elimination should be done.
8197 (reload_as_needed): Take num_eliminable_invariants into account
8198 when deciding if register elimination should be done.
8199 (eliminate_regs): Handle non-constant reg_equiv_constant.
8200 * rtl.h (function_invariant_p): Declare.
8202 Mon Nov 30 02:00:08 1998 Jeff Law (law@cygnus.com)
8204 * version.c: Bump for snapshot.
8206 Mon Nov 30 00:42:59 1998 Jeff Law (law@cygnus.com)
8208 * version.c: Bump for snapshot.
8210 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
8212 * except.c (add_new_handler): Complain about additional handlers
8213 after one that catches everything.
8215 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
8217 * configure.in (alpha*-*-netbsd): Fix typo.
8218 * configure: Rebuilt.
8220 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8222 * system.h: Include libiberty.h.
8224 * c-aux-info.c: Remove prototypes for concat/concat3. Change
8225 function `concat' from fixed parameters to variable parameters,
8226 as is done in libiberty. All callers of concat/concat3
8227 changed to use the new `concat' with variable args.
8229 * cccp.c: Remove things made redundant by libiberty.h and/or
8230 conform to libiberty standards.
8232 * collect2.c: Likewise.
8233 * config/1750a/1750a.h: Likewise.
8234 * cppalloc.c: Likewise.
8235 * cppexp.c: Likewise.
8236 * cppfiles.c: Likewise.
8237 * cpphash.c: Likewise.
8238 * cpplib.c: Likewise.
8239 * dyn-string.c: Likewise.
8240 * fix-header.c: Likewise.
8243 * genattr.c: Likewise.
8244 * genattrtab.c: Likewise.
8245 * gencheck.c: Likewise.
8246 * gencodes.c: Likewise.
8247 * genconfig.c: Likewise.
8248 * genemit.c: Likewise.
8249 * genextract.c: Likewise.
8250 * genflags.c: Likewise.
8251 * gengenrtl.c: Likewise.
8252 * genopinit.c: Likewise.
8253 * genoutput.c: Likewise.
8254 * genpeep.c: Likewise.
8255 * genrecog.c: Likewise.
8256 * getpwd.c: Likewise.
8257 * halfpic.c: Likewise.
8259 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
8260 in NEED_DECLARATION_* macros.
8262 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
8263 conform to libiberty standards.
8264 (fatal): Fix const-ification of variable `format' in
8265 !ANSI_PROTOTYPES case.
8267 * prefix.c: Remove things made redundant by libiberty.h and/or
8268 conform to libiberty standards.
8270 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
8271 conflicting with function `spaces' from libiberty.
8273 * profile.c: Remove things made redundant by libiberty.h and/or
8274 conform to libiberty standards.
8275 * protoize.c: Likewise.
8278 * tlink.c: Likewise.
8279 * toplev.c: Likewise.
8280 * toplev.h: Likewise.
8283 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8285 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
8287 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8289 * README.C4X: Updated URLs.
8290 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
8291 (valid_parallel_operands_5): Remove unused variable.
8293 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8295 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
8297 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
8299 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
8300 which can be configured.
8301 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
8302 (Makefile): Pass actual LANGUAGES through the environment when
8304 (cstamp-h): Likewise.
8305 (config.status): Likewise.
8307 * configure.in (enable_languages): Add new configuration parameter
8308 "--enable-languages=lang1,lang2,...".
8309 (${srcdir}/*/config-lang.in): Change handling to configure only
8310 those directories, that the user might have enabled; default to
8311 "all" existing languages.
8312 * configure: Regenerate.
8314 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
8316 * rtlanal.c (regs_set_between_p): New function.
8317 * rtl.h (regs_set_between_p): Prototype it.
8318 * jump.c (jump_optimize): Use it instead of modified_between_p
8319 in the Sep 2 change.
8321 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
8322 Matthias Pfaller <leo@dachau.marco.de>
8324 * invoke.texi (Option Summary, NS32K Options): Add description
8325 of NS32K specific options.
8327 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
8328 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
8329 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
8330 negdf2, absdf2): Use l instead of f since the double class and
8331 float class are no longer the same.
8332 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
8333 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
8334 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
8335 Use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
8337 (cmpsi, cmphi, cmpqi): Use general_operand instead of
8338 non_immediate_operand. Removes erroneous assumption that can't
8340 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
8341 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
8343 (movstrsi, movstrsi1, movstrsi2): Completely new block move
8345 (...): Patterns to exploit multiply-add instructions.
8346 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
8347 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): New
8348 patterns to exploit extended divide insns.
8349 (udivsi3, udivhi3, udivqi3): Remove since superseded by udivmodsi
8352 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
8353 float return values as well as simple scalar floats.
8354 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
8355 Support new flag to denote 32381 fpu.
8356 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
8357 (CONDITIONAL_REGISTER_USAGE): Disable extra 32381 registers if not
8358 compiling for 32381.
8359 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
8360 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
8361 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
8362 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
8363 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
8364 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
8365 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
8366 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
8367 REG_OK_FOR_BASE_P, MEM_REG): New register scheme to include 32381
8368 fpu registers and special register classes for new 32381
8369 instructions dotf and polyf.
8370 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
8372 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
8373 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
8375 (SMALL_REGISTER_CLASSES): Make dependent on -mmult-add option.
8376 (MOVE_RATIO): Set to zero because of smart movstrsi implementation.
8377 (REGISTER_MOVE_COST): Move code to register_move_cost function for
8378 ease of coding and debugging.
8379 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
8380 LONG_FLOAT_REGO is likely spilled but not caught by default
8382 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): Use macro
8383 instead of hard coded numbers in range check.
8384 (ASM_OUTPUT_LABELREF_AS_INT): Delete since unused.
8385 (...): Add prototypes for functions in ns32k.c but disable because
8386 of problems when ns32k.h is included in machine independent files.
8388 * ns32k.c: Include "system.h", "tree.h", "expr.h", "flags.h".
8389 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
8390 hard_regno_mode_ok, secondary_reload_class,
8391 print_operand, print_operand_address): New register scheme to
8392 include 32381 fpu registers and special register classes for new
8393 32381 instructions dotf and polyf.
8394 (gen_indexed_expr): Make static to keep namespace clean.
8395 (check_reg): Remove since never called.
8396 (move_tail, expand_block_move): Helper functions for "movstrsi"
8398 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
8399 Increase cost of moves which go via memory.
8400 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
8401 (CPP_PREDEFINES): No longer predefine "unix".
8403 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
8404 Remove erroneous %$. print_operand() can work out from the rtx is
8405 an immediate prefix is required.
8407 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
8408 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
8409 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
8411 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
8414 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
8415 Correct handling of pic operands.
8416 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
8417 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
8418 -mrtd calling convention.
8420 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
8422 * gcc.c (option_map): Recognize --output-class-directory.
8424 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8426 * loop.h (precondition_loop_p): Added new mode argument.
8427 * unroll.c (precondition_loop_p): Likewise.
8428 (approx_final_value): Function deleted and subsumed
8429 into loop_iterations.
8430 (loop_find_equiv_value): New function.
8431 (loop_iterations): Use loop_find_equiv_value to find increments
8432 too large to be immediate constants. Also use it to find terms
8433 common to initial and final iteration values that can be removed.
8435 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8437 * loop.h (struct loop_info): Define new structure.
8438 (precondition_loop_p): Added prototype.
8439 (unroll_loop): Added new argument loop_info to prototype.
8440 (final_biv_value, final_giv_value): Added new argument n_iterations
8442 * loop.c (strength_reduce): Declare new structure loop_iteration_info
8443 and new pointer loop_info.
8444 (loop_n_iterations): Replace global variable by element in
8445 loop_info structure.
8446 (check_final_value): New argument n_iterations.
8447 (insert_bct): New argument loop_info.
8448 (loop_unroll_factor): Replace global array by element in
8449 loop_info structure.
8450 (loop_optimize): Remove code to allocate and initialize
8451 loop_unroll_factor_array.
8452 * unroll.c (precondition_loop_p): No longer static since
8453 used by branch on count optimization.
8454 (precondition_loop_p, unroll_loop): New argument loop_info.
8455 (final_biv_value, final_giv_value, find_splittable_regs): New
8456 argument n_iterations.
8457 (loop_iteration_var, loop_initial_value, loop_increment,
8458 loop_final_value, loop_comparison_code, loop_unroll_factor):
8459 Replaced global variables by loop_info structure.
8460 (loop_unroll_factor): Replace global array by element in
8461 loop_info structure.
8463 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8465 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
8468 * unroll.c (precondition_loop_p): Return loop_initial_value
8469 for initial_value instead of loop_iteration_var.
8471 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8473 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
8474 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
8475 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
8476 to output the instruction sequences.
8478 (rptb_top): Provide alternatives to use any register or memory
8480 (rptb_end): Emit use of operands rather than assigning them
8481 explicitly to the RS and RE registers.
8483 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8485 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
8486 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
8487 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
8488 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
8489 c4x_merge_notes, c4x_parallel_process,
8490 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
8491 c4x_combine_parallel): Delete.
8493 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8495 * config/c4x/c4x.c (c4x_override_options): For compatibility
8496 with old target options clear flag_branch_on_count_reg if
8497 -mno-rptb specified and set flag_argument_alias is -mno-aliases
8499 (c4x_output_cbranch): Handle a sequence of insns rather than a
8501 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
8502 has not been allocated as the loop counter.
8503 (c4x_address_conflict): Do not allow two volatile memory references.
8504 (valid_parallel_operands_4, valid_parallel_operands_5,
8505 valid_parallel_operands_6): Reject pattern if the register destination
8506 of the first set is used as part of an address in the second set.
8508 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8510 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
8511 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
8512 is no longer enabled if PARALLEL_MPY_FLAG set.
8513 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
8514 (REG_CLASS_CONTENTS): Add braces around initializers.
8515 (HAVE_MULTIPLE_PACK): Define.
8516 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
8517 REAL_VALUE_TO_DECIMAL.
8518 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
8519 REAL_VALUE_TO_DECIMAL.
8520 (ar0_reg_operand): Add prototype.
8521 (ar0_mem_operand): Likewise.
8522 (ar1_reg_operand): Likewise.
8523 (ar1_mem_operand): Likewise.
8524 (ar2_reg_operand): Likewise.
8525 (ar2_mem_operand): Likewise.
8526 (ar3_reg_operand): Likewise.
8527 (ar3_mem_operand): Likewise.
8528 (ar4_reg_operand): Likewise.
8529 (ar4_mem_operand): Likewise.
8530 (ar5_reg_operand): Likewise.
8531 (ar5_mem_operand): Likewise.
8532 (ar6_reg_operand): Likewise.
8533 (ar6_mem_operand): Likewise.
8534 (ar7_reg_operand): Likewise.
8535 (ar7_mem_operand): Likewise.
8536 (ir0_reg_operand): Likewise.
8537 (ir0_mem_operand): Likewise.
8538 (ir1_reg_operand): Likewise.
8539 (ir1_mem_operand): Likewise.
8540 (group1_reg_operand): Likewise.
8541 (group1_mem_operand): Likewise.
8542 (ir1_reg_operand): Likewise.
8543 (arx_reg_operand): Likewise.
8544 (not_rc_reg): Likewise.
8545 (not_modify_reg): Likewise.
8546 (c4x_group1_reg_operand): Remove prototype.
8547 (c4x_group1_mem_operand): Likewise.
8548 (c4x_arx_reg_operand): Likewise.
8550 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
8552 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
8553 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
8555 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8557 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
8560 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8562 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
8563 unless FMOVD_WORKS is defined.
8565 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8567 * regclass.c (init_reg_sets): Move code that calculates tables
8568 dependent on reg_class_contents from here...
8569 (init_reg_sets_1): To here.
8571 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8573 * cpplib.h: Delete struct import_file. Add ihash element to
8574 struct cpp_buffer. Delete dont_repeat_files and
8575 import_hash_table elements from cpp_reader; change
8576 all_include_files to a hash table. Delete all foobar_include
8577 / last_foobar_include elements from struct cpp_options; put
8578 back four such: quote_include, bracket_include,
8579 system_include, after_include. Redo struct file_name_list
8580 completely. Add new structure type include_hash. Add
8581 prototypes for merge_include_chains and include_hash. Change
8582 prototypes for finclude, find_include_file, and
8583 append_include_chain to match changes below.
8585 * cppfiles.c (simplify_pathname, include_hash,
8586 remap_filename, merge_include_chains): New functions.
8587 (add_import, lookup_import, open_include_file): Removed.
8588 (INO_T_EQ): Define this (copied from cccp.c).
8589 (hack_vms_include_specification): Remove all calls and #if 0
8590 out the definition. It was being called incorrectly and at
8591 the wrong times. Until a VMSie can look at this, it's better
8592 to not pretend to support it.
8593 (append_include_chain): Change calling convention; now takes
8594 only one directory at a time, and sets up the data structure
8596 (redundant_include_p): Rewritten - this is now used for all
8597 include redundancy, whether by #ifndef, #import, or #pragma
8598 once. Looks up things in the include hash table.
8599 (file_cleanup): Decrement pfile->system_include_depth here if
8601 (find_include_file): Calling convention changed; now passes
8602 around a struct include_hash instead of 3 separate parameters.
8603 Guts ripped out and replaced with new include_hash mechanism.
8604 (finclude): Calling convention changed as for
8605 find_include_file. Error exits pulled out-of-line. Reformat.
8606 (safe_read): Return a long, not an int.
8607 (deps_output): Don't recurse.
8609 * cpplib.c (is_system_include): Deleted.
8610 (path_include): Fix up call to append_include_chain.
8611 (do_include): Fix up calls to find_include_file and finclude.
8612 Clean up dependency output a bit. Shorten obnoxiously lengthy
8613 #import warning message. Don't decrement
8614 pfile->system_include_depth here.
8615 (do_pragma): Understand the include_hash structure. Reformat.
8616 (do_endif): Correct handling of control macros. Understand
8618 (cpp_start_read): Fix up calls to finclude. Call
8619 merge_include_chains.
8620 (cpp_handle_option): Fix up calls to append_include_chain.
8621 Understand the four partial include chains.
8622 (cpp_finish): Add debugging code (#if 0-ed out) for the
8624 (cpp_cleanup): Free the include_hash, not the import hash and
8625 the all_include and dont_repeat lists which no longer exist.
8627 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
8629 * toplev.c (no_new_pseudos): Define.
8630 (rest_of_compilation): Set no_new_pseudos as needed.
8631 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
8632 if no_new_pseudos is set.
8633 * rtl.h (no_new_pseudos): Declare it.
8634 * reload1.c (reload): Update comments.
8635 * md.texi: Corresponding changes.
8637 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8639 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
8640 (choose_reload_regs): Rename it here as well. When computing it,
8641 also merge in used hardregs.
8643 1998-11-25 Zack Weinberg <zack@rabi.phys.columbia.edu>
8645 * gcc.c: Split out Objective-C specs to...
8646 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
8649 * c-lex.c (init_parse): Always initialize the filename global.
8650 * objc/objc-act.c (lang_init): Always call check_newline at
8653 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
8655 * reload1.c (reload): Remove unused variable.
8656 (reload_reg_free_for_value_p): Add missing parameter definition.
8658 * jump.c (jump_optimize): Remove unused variable.
8660 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
8662 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
8664 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
8666 * expr.c (move_by_pieces): Similarly.
8667 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
8668 * flow.c (find_auto_inc): Similarly.
8669 (try_pre_increment): Similarly.
8670 * loop.c (strength_reduce): Similarly.
8671 * regclass.c (auto_inc_dec_reg_p): Similarly.
8672 * regmove.c (try_auto_increment): Similarly.
8673 (fixup_match_1): Similarly.
8674 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
8675 (HAVE_PRE_DECREMENT): Similarly.
8676 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
8677 * Corresponding changes to all target header files.
8678 * tm.texi: Update docs for autoinc addressing modes.
8680 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
8682 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
8683 * configure: Rebuild.
8684 * config/elfos.h: New file.
8685 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
8686 config/m68k/t-m68kelf: New file.
8688 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
8690 * Makefile.in (HOST_AR): Define.
8691 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
8692 (libcpp.a): Use the host tools explicitly.
8693 (STAGESTUFF): Add libcpp.a.
8695 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
8697 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
8698 to source and destination registers.
8700 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
8702 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
8703 The strategy we now use is to pre allocate the top_elt along
8704 with the EH context so that each thread has its own top_elt.
8705 This is necessary as the dynamic cleanup chain is used on the
8706 top element of the stack and each thread MUST have its own.
8707 (eh_context_static): Likewise.
8708 (new_eh_context): Likewise.
8709 (__sjthrow): Likewise.
8711 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
8713 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
8714 * i386.md (prologue_get_pc): Remove unused variable.
8716 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
8718 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
8720 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
8722 * Makefile.in (OBJS): Add graph.o.
8723 (graph.o): New dependency list.
8724 * flags.h: Declare dump_for_graph and define graph_dump_types type.
8725 * print-rtl.c (dump_for_graph): Define new variable.
8726 (print_rtx): Rewrite to allow use in graph dumping functions.
8727 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
8728 finish_graph_dump_file.
8729 Define graph_dump_format.
8730 (compile_file): If graph dumping is enabled also clear these files.
8731 Finish graph dump files.
8732 (rest_of_compilation): Also dump graph information if enabled.
8733 (main): Recognize -dv to enabled VCG based graph dumping.
8734 * graph.c: New file. Graph dumping functions.
8736 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
8738 * configure.in: Look for <sys/stat.h>.
8739 * system.h: Include it before substitute S_ISREG definitions.
8741 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
8743 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
8744 * config/mips/iris6.h: Same.
8745 * config/mips/mips.md: Same.
8746 * config/mips/mips.c: Same; also add "-mabi=o64" option.
8747 * config/mips/mips.h: Same; also define ABI_O64.
8749 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8751 * configure.in: Use AC_PREREQ(2.12.1).
8753 Mon Nov 23 10:16:38 1998 Melissa O'Neill <oneill@cs.sfu.ca>
8755 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
8756 * cpplib.c, gcc.c: Likewise.
8757 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
8759 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
8761 * local-alloc.c (local_alloc): Use malloc not alloca for
8762 reg_qty, reg_offset, ref_next_in_qty.
8764 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8766 * caller-save.c (insert_one_insn): Initialize the live_before and
8767 live_after register sets.
8771 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
8772 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
8773 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
8774 (fp_reg_names, assembler_dialect): New variables.
8775 (print_operand_address): Handle SUBREGs.
8776 (print_operand): Added 'o' case.
8777 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
8778 Name of FP registers depends on mode.
8779 (expand_block_move): Emit different code for SH4 hardware.
8780 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
8781 (from_compare): Likewise.
8782 (add_constant): New argument last_value. Changed all callers.
8783 (find_barrier): Don't try HImode load for FPUL_REG.
8784 (machine_dependent_reorg): Likewise.
8785 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
8786 (gen_far_branch): Emit a barrier after the new jump.
8787 (barrier_align): Don't trust instruction lengths before
8789 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
8790 Use auto-inc addressing for fp registers if doubles need to
8791 be loaded in two steps.
8792 Set sh_flag_remove_dead_before_cse.
8793 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
8794 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
8795 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
8796 Support for FIRST_XD_REG .. LAST_XD_REG.
8797 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
8798 (sh_expand_epilogue): Likewise.
8799 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
8800 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
8801 (arith_reg_operand): FPUL_REG is OK for SH4.
8802 (fp_arith_reg_operand, fp_extended_operand): New functions.
8803 (tertiary_reload_operand, fpscr_operand): Likewise.
8804 (commutative_float_operator, noncommutative_float_operator): Likewise.
8805 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
8806 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
8807 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
8808 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
8809 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
8810 (CONDITIONAL_REGISTER_USAGE): Likewise.
8811 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
8812 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
8813 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
8814 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
8815 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
8816 to -1 and sh_flag_remove_dead_before_cse to 1.
8817 (ASSEMBLER_DIALECT): Define to assembler_dialect.
8818 (assembler_dialect, fp_reg_names): Declare.
8819 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
8820 Hide names of registers that are not accessible.
8821 (CACHE_LOG): Take TARGET_CACHE32 into account.
8822 (LOOP_ALIGN): Take TARGET_HARWARD into account.
8823 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
8824 (FIRST_PSEUDO_REGISTER: Now 49.
8825 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
8826 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
8827 (HARD_REGNO_MODE_OK): Update.
8828 (enum reg_class): Add DF_REGS and FPSCR_REGS.
8829 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
8830 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
8831 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
8832 (NPARM_REGS): Eight floating point parameter registers on SH4.
8833 (BASE_RETURN_VALUE_REG): SH4 also passes double values
8834 in floating point registers.
8835 (GET_SH_ARG_CLASS): Likewise.
8836 Complex float types are also returned in float registers.
8837 (BASE_ARG_REG): Complex float types are also passes in float registers.
8838 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
8839 (LIBCALL_VALUE): Remove trailing semicolon.
8840 (ROUND_REG): Round when double precision value is passed in floating
8842 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
8843 passed on the stack.
8844 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
8845 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
8846 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
8847 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
8848 (MODE_DISP_OK_8): Not for SH4 DFmode.
8849 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
8850 Allow indexed addressing for PSImode after reload.
8851 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
8852 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
8853 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
8854 (DOUBLE_TYPE_SIZE): 64 for SH4.
8855 (RTX_COSTS): Add PLUS case.
8856 Increase cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
8857 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
8858 MAC_REGS, PR_REGS, DF_REGS.
8859 (REGISTER_NAMES): Use fp_reg_names.
8860 (enum processor_type): Add PROCESSOR_SH4.
8861 (sh_flag_remove_dead_before_cse): Declare.
8862 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
8863 (PREDICATE_CODES): Add binary_float_operator,
8864 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
8865 fpscr_operand, noncommutative_float_operator.
8866 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
8867 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
8868 * sh.md (attribute cpu): Add value sh4.
8869 (attrbutes fmovd, issues): Define.
8870 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
8871 (function units memory, int, mpy, fp): Make dependent on issue rate.
8872 (function units issue, single_issue, load_si, load): Define.
8873 (function units load_store, fdiv, gp_fpul): Define.
8874 (attribute hit_stack): Provide proper default.
8875 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
8876 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
8877 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
8878 (mulsi3_call): Now uses match_operand for function address.
8879 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
8881 (push, pop, push_e, pop_e): Now define_expands.
8882 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
8883 (movsi_ie): Added y/i alternative.
8884 (ic_invalidate_line_i, movdf_i4): New insns.
8885 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
8886 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
8887 (movdf): Add special code for SH4.
8888 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
8889 (call_valuei, calli, call_value): Likewise.
8890 (movsf): Emit no-op move.
8891 (mov_nop, movsi_y): New insns.
8892 (blt, sge): Generalize to handle DFmode.
8893 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
8894 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
8895 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
8896 (fpu_switch0, fpu_switch1, movpsi): New expanders.
8897 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
8898 (toggle_sz): New insn.
8899 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
8900 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
8901 (macsf3): Make use of fpscr visible. Disable for SH4.
8902 (floatsisf2): Make use of fpscr visible.
8903 (floatsisf2_i4): New insn.
8904 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
8905 (ieee_ccmpeqsf_t): Likewise.
8906 (fix_truncsfsi2): Emit different code for SH4.
8907 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
8908 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
8909 (negsf2, sqrtsf2, abssf2): Now expanders.
8910 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
8911 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
8912 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
8913 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
8914 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
8915 (fix_truncdfsi2_i4_2+1): New splitters.
8916 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
8917 (extendsfdf2, truncdfsf2): New expanders.
8918 (truncdfsf2_i4): New insn.
8919 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
8920 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
8921 * float-sh.h: When testing for __SH3E__, also test for
8922 __SH4_SINGLE_ONLY__ .
8923 * va-sh.h (__va_freg): Define to float.
8924 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
8925 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
8926 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
8927 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
8929 (TARGET_SH4_P): Define.
8932 * sh.md (movdf_k, movsf_i): Tweak the condition so that
8933 init_expr_once is satisfied about the existence of load / store insns.
8935 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
8936 Change m constraint in source operand to mr / mf.
8938 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
8940 * (__VA_REEF): Define.
8941 (__va_arg_sh1): Use it.
8943 * va-sh.h (va_start, va_arg, va_copy): Add parentheses.
8945 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
8947 * i386/dgux.c (struct option): Add new "description field".
8948 * m88k/m88k.c (struct option): Likewise.
8950 Sun Nov 22 16:07:57 1998 Jeff Law (law@cygnus.com)
8952 * version.c: Bump for snapshot.
8954 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8956 * regmove.c (regmove_profitable_p): Use return value of find_matches
8959 Sun Nov 22 02:47:37 1998 Jeff Law (law@cygnus.com)
8961 * version.c: Bump for snapshot.
8963 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
8965 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
8966 without reload having been called earlier.
8968 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
8970 (v850_reorg): Similarly.
8972 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
8974 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8976 * loop.c (move_movables): Start of libcall might be new loop start.
8978 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8980 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
8982 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8984 * function.c (nonlocal_goto_handler_slots): Renamed from
8985 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
8986 (push_function_context_to): Adjust for this change.
8987 (pop_function_context_from): Likewise.
8988 (init_function_start): Likewise.
8989 (expand_function_end): Likewise.
8990 * function.h (struct function): Likewise.
8991 * calls.c (expand_call): Likewise.
8992 * explow.c (allocate_dynamic_stack_space): Likewise.
8993 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
8994 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
8996 (expand_goto): When doing a nonlocal goto, find corresponding handler
8997 slot for it. Don't put the label address in the static chain register.
8998 (expand_end_bindings): Break out nonlocal goto handling code into
8999 three new functions.
9000 (expand_nl_handler_label, expand_nl_goto_receiver,
9001 expand_nl_goto_receivers): New static functions, broken out of
9002 expand_end_bindings and adapted to create one handler per nonlocal
9004 * function.c (delete_handlers): Delete insn if it references any of
9005 the nonlocal goto handler slots.
9006 * i960.md (nonlocal_goto): Comment out code that modifies
9008 * sparc.md (nonlocal_goto): Likewise.
9009 (goto_handler_and_restore_v9): Comment out.
9010 (goto_handler_and_restore_v9_sp64): Comment out.
9012 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9014 * expr.c (STACK_BYTES): Delete unused macro.
9015 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
9016 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
9017 (expand_call): Likewise.
9018 (emit_library_call): Likewise.
9019 (emit_library_call_value): Likewise.
9020 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
9021 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
9022 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
9023 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
9024 (allocate_dynamic_stack_space): Likewise.
9025 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
9026 (STACK_BOUNDARY): Update description to reflect the new situation.
9028 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
9030 * reorg.c (relax_delay_slots): When optimizing for code size, if a
9031 return with a filled delay slot is followed by a return with an
9032 unfilled delay slot, delete the first return and reemit the insn
9033 that was previously in its delay slot.
9035 * i860.c (single_insn_src_p): Add missing parens.
9036 * ginclude/math-3300.h: Likewise.
9038 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
9040 * regclass.c (init_reg_sets_1): Add prototype.
9041 (init_reg_modes): Likewise.
9043 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
9045 * c-common.c: Change warning messages to say `comparison is
9046 always true' or `comparison is always false' instead of the
9047 confusing `is always 0', `is always 1'.
9049 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
9051 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
9052 break instead of return (which loses closing '>').
9054 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
9056 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
9057 standard 387 constants.
9059 * i386.md (jump): Explicitly set "memory" attribute.
9060 (indirect_jump, prologue_set_stack_ptr): Likewise.
9061 (prologue_get_pc_and_set_got, pop): Likewise.
9062 (allocate_stack_worder, blockage, return_internal): Likewise.
9063 (return_pop_internal, nop): Likewise.
9064 (epilogue_set_stack_ptr, leave): Likewise.
9066 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
9068 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
9070 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9072 * reload1.c (reload_reg_free_for_value_p):
9073 Early auto_inc reloads don't conflict with outputs.
9075 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9077 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
9078 Instead call AC_HEADER_SYS_WAIT.
9080 * collect2.c: Don't provide defaults for sys/wait.h macros.
9082 * protoize.c: Likewise. Also, don't include sys/wait.h.
9084 * system.h: Include sys/wait.h and provide macro defaults.
9086 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9088 * Makefile.in (mandir): Set to @mandir@.
9089 (man1dir): New variable to hold the former value of $(mandir).
9090 Replace all uses of $(mandir) by $(man1dir).
9092 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
9094 * reload.c (find_reloads_address_part): If have a CONST_INT, create
9095 a new one before passing it to force_const_mem.
9097 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
9098 find_reloads_address call.
9100 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9102 * expr.c (store_expr): Don't generate load-store pair
9103 if TEMP is identical (according to ==) with TARGET.
9105 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9107 * reload1.c (reload_reg_free_for_value_p): When considered reload
9108 has an output, matching inputs are not sufficient to avoid conflict.
9110 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
9112 * hash.h (hash_table_key): New type.
9113 (hash_entry): Change `string' field to generic `key'.
9114 (hash_table): Add `comp' and `hash' functions.
9115 (hash_table_init): Take them as input.
9116 (hash_table_init_n): Likewise.
9117 (hash_lookup): Modify for generic keys.
9118 (hash_newfunc): Likewise.
9119 (hash_traverse): Likewise.
9120 (string_hash): New function.
9121 (string_compare): Likewise.
9122 (string_copy): Likewise.
9123 * hash.c (hash_table_init_n): Modify for generic keys.
9124 (hash_table_init): Likewise.
9125 (hash_lookup): Likewise.
9126 (hash_newfunc): Likewise.
9127 (hash_traverse): Likewise.
9128 (string_hash): Split out from hash_lookup.
9129 (string_compare): New function.
9130 (string_copy): Split out from hash_lookup.
9131 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
9133 (symbol_hash_lookup): Likewise.
9134 (file_hash_newfunc): Likewise.
9135 (file_hash_lookup): Likewise.
9136 (demangled_hash_newfunc): Likewise.
9137 (demangled_hash_lookup): Likewise.
9138 (tlink_int): Likewise.
9139 (read_repo_file): Likewise.
9140 (recompile_files): Likewise.
9141 (demangle_new_symbols): Likewise.
9142 (scan_linker_output): Likewise.
9144 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9146 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
9148 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org>
9150 * rs6000.c (output_mi_thunk): Improve test for local branch.
9152 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9154 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
9156 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9158 * reload1.c (reload_reg_free_before_p): Delete.
9159 Changed all callers to use reload_reg_free_for_value_p instead.
9160 (reload_reg_free_for_value_p): Handle more reload types.
9161 A RELOAD_FOR_INPUT doesn't conflict with its
9162 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
9163 Add special case for OUT == const0_rtx.
9164 Added ignore_address_reloads argument. Changed all callers.
9166 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
9168 * toplev.c (compile_file): Don't pedwarn about undefined static
9169 functions just because we passed -Wunused.
9171 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9173 * function.c (purge_addressof_1): Unshare rtl created by
9176 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9178 * regmove.c (regmove_optimize): Don't do anything but
9179 optimize_reg_copy[123] when flag_regmove is not set.
9181 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
9183 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
9184 value in paradoxical SImode result, rather than truncating midpoint.
9186 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
9188 * alpha.c (reg_not_elim_operand): New.
9189 * alpha.h (PREDICATE_CODES): Add it.
9190 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
9191 for the multiplicand.
9193 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org>
9195 * rs6000.md (movsf): Remove explicit secondary-reload-like
9196 functionality. Only truncate SFmode store if in FPR.
9197 (movsf splitters): Combine const_double splitters.
9198 (movsf_hardfloat): Add GPR support.
9200 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
9202 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
9203 deprecate -mlive-g0 and -mbroken-saverestore.
9204 * t-splet (MULTILIB_OPTIONS): Likewise.
9206 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
9207 in a leaf function. Clarify total_size/extra_size relationship.
9209 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
9211 * i386/cygwin32.asm: Delete.
9212 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
9213 * i386/cygwin32.h: Delete.
9214 * i386/cygwin.h: New file, renamed from cygwin32.h.
9215 * i386/t-cygwin32: Delete.
9216 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
9217 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
9218 * i386/x-cygwin32: Delete.
9219 * i386/x-cygwin: New file, renamed from x-cygwin32.
9220 * i386/xm-cygwin32: Delete.
9221 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
9222 renamed cygwin_ funcs for path translations.
9223 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
9224 * i386/winnt.c: Remove "32" from comment about cygwin.
9225 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
9226 * rs6000/cygwin32.h: Delete.
9227 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
9228 -D__CYGWIN__ to CPP_PREDEFINES.
9229 * rs6000/x-cygwin32: Delete.
9230 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
9231 * rs6000/xm-cygwin32: Delete.
9232 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
9234 * configure.in: Check for cygwin* instead of cygwin32. Account
9235 for the rename of cygwin-related config files to lose the "32"s.
9236 * configure: Regenerate.
9238 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
9239 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
9241 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
9243 * Makefile.in (JAVAGC): New macro.
9244 * configure: Rebuilt.
9245 * configure.in: Recognize --enable-java-gc argument. Subst
9248 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9250 Handle equivalences that have been obscured by gcse:
9252 * reload1.c (reload): Handle equivalences set up in multiple places.
9253 * local-alloc.c (reg_equiv_init_insns): New variable.
9254 (no_equiv): New function.
9255 (update_equiv_regs): Handle equivalences set up in multiple places.
9256 Don't ignore an insn just because its destination is likely to be
9259 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
9261 * except.c (expand_eh_return): Readd force_operand call lost in
9264 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org>
9266 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
9268 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9270 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
9272 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9274 * regmove.c (regmove_optimize): Fix error in last change.
9276 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
9278 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
9279 offset in the .mask pseudo to compensate for frame pointer adjustments.
9280 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
9281 word swap arguments moved to/from FP registers.
9282 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
9284 Mon Nov 9 09:47:06 1998 Jeff Law (law@cygnus.com)
9286 * version.c: Bump for snapshot.
9288 Mon Nov 9 02:14:14 1998 Jeff Law (law@cygnus.com)
9290 * version.c: Bump for snapshot.
9292 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
9294 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
9295 times, then it can not be completely replaced.
9297 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
9299 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
9301 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9303 * gansidecl.h: Prepend a "G" to the macro wrapping this file
9304 (to distinguish it from the macro wrapping ansidecl.h.)
9305 Include libiberty's ansidecl.h. Remove all redundant definitions.
9306 Define the PROTO() style macros in terms of the PARAMS() ones.
9309 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
9310 __STDC__, when deciding whether to use ANSI variable args.
9311 (emit_library_call_value): Likewise.
9313 * cccp.c (error): Likewise.
9314 (warning): Likewise.
9315 (error_with_line): Likewise.
9316 (warning_with_line): Likewise.
9317 (pedwarn): Likewise.
9318 (pedwarn_with_line): Likewise.
9319 (pedwarn_with_file_and_line): Likewise.
9322 * cexp.y (error): Likewise.
9323 (pedwarn): Likewise.
9324 (warning): Likewise.
9326 * collect2.c (fatal_perror): Likewise.
9330 * combine.c (gen_rtx_combine): Likewise.
9332 * cpperror.c (cpp_message): Likewise.
9333 (cpp_fatal): Likewise.
9335 * cpplib.c (cpp_error): Likewise.
9336 (cpp_warning): Likewise.
9337 (cpp_pedwarn): Likewise.
9338 (cpp_error_with_line): Likewise.
9339 (cpp_warning_with_line): Likewise.
9340 (cpp_pedwarn_with_line): Likewise.
9341 (cpp_pedwarn_with_file_and_line): Likewise.
9343 * cpplib.h: Don't define PARAMS() macro.
9345 * demangle.h: Likewise.
9347 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
9348 when deciding whether to use ANSI variable args.
9350 * emit-rtl.c (gen_rtx): Likewise.
9351 (gen_rtvec): Likewise.
9353 * final.c (asm_fprintf): Likewise.
9355 * fix-header.c (cpp_message): Likewise.
9357 (cpp_fatal): Likewise.
9359 * gcc.c (concat): Likewise.
9363 * genattr.c (fatal): Likewise.
9365 * genattrtab.c (attr_rtx): Likewise.
9366 (attr_printf): Likewise.
9369 * gencodes.c (fatal): Likewise.
9371 * genconfig.c (fatal): Likewise.
9373 * genemit.c (fatal): Likewise.
9375 * genextract.c (fatal): Likewise.
9377 * genflags.c (fatal): Likewise.
9379 * genopinit.c (fatal): Likewise.
9381 * genoutput.c (fatal): Likewise.
9384 * genpeep.c (fatal): Likewise.
9386 * genrecog.c (fatal): Likewise.
9388 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
9389 deciding whether to declare `tree_node' and `rtx_def'.
9391 * hash.h: Don't define stuff we get from gansidecl.h.
9393 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
9394 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
9395 whether to use ANSI variable args.
9398 * prefix.c (concat): Likewise.
9402 * system.h: Likewise.
9404 * toplev.c (error_with_file_and_line): Likewise.
9405 (error_with_decl): Likewise.
9406 (error_for_asm): Likewise.
9409 (warning_with_file_and_line): Likewise.
9410 (warning_with_decl): Likewise.
9411 (warning_for_asm): Likewise.
9412 (warning): Likewise.
9413 (pedwarn): Likewise.
9414 (pedwarn_with_decl): Likewise.
9415 (pedwarn_with_file_and_line): Likewise.
9417 (really_sorry): Likewise.
9419 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
9420 whether to declare `tree_node' and `rtx_def'.
9422 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
9423 deciding whether to use ANSI variable args.
9424 (build_nt): Likewise.
9425 (build_parse_node): Likewise.
9427 Sun Nov 8 13:10:55 1998 Jeff Law (law@cygnus.com)
9429 * version.c: Bump for snapshot.
9431 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9433 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
9435 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org>
9437 * collect2.c (main, case 'b'): Use else if.
9439 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9441 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
9442 Arrange to include gansidecl.h in {ht}config.h & tm.h just
9443 before the config/ directory headers.
9444 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
9445 gansidecl.h in the list of dependencies.
9447 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
9448 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
9449 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
9450 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
9451 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
9452 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
9455 * cccp.c: Don't include gansidecl.h.
9457 * collect2.c: Likewise.
9458 * config/c4x/c4x.c: Likewise.
9459 * config/v850/v850.h: Likewise.
9460 * cppalloc.c: Likewise.
9461 * cpperror.c: Likewise.
9462 * cppexp.c: Likewise.
9463 * cppfiles.c: Likewise.
9464 * cpphash.c: Likewise.
9465 * cpplib.c: Likewise.
9466 * cppmain.c: Likewise.
9467 * cppulp.c: Likewise.
9468 * demangle.h: Likewise.
9469 * doprint.c: Likewise.
9470 * dyn-string.c: Likewise.
9471 * eh-common.h: Likewise.
9472 * fix-header.c: Likewise.
9473 * frame.c: Likewise.
9476 * gen-protos.c: Likewise.
9477 * gencheck.c: Likewise.
9478 * halfpic.h: Likewise.
9480 * machmode.h: Likewise.
9481 * mbchar.c: Likewise.
9482 * prefix.c: Likewise.
9483 * protoize.c: Likewise.
9484 * recog.h: Likewise.
9486 * scan-decls.c: Likewise.
9488 * varray.h: Likewise.
9490 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
9492 * i386.md (call_value_pop): If we're not popping anything,
9493 defer to call_value.
9494 (call_pop): Likewise defer to call.
9496 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
9498 * function.c (purge_addressof): Clear purge_addressof_replacements
9499 only after processing the whole function.
9501 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
9503 * reload1.c (reload): If we can not perform a particular elimination
9504 when we thought we could earlier, then we must always iterate through
9505 the loop at least one more time.
9507 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
9509 * alpha.c (add_operand): Simplify the CONST_INT match.
9510 (sext_add_operand): Correct typo in comparison by using
9511 CONST_OK_FOR_LETTER_P.
9512 * alpha.md (s?addq): Use sext_add_operand to allow the negative
9513 constant alternatives to be generated.
9514 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
9515 small constants, since the hw instructions do.
9517 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9519 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
9520 previous insn to store directly into our reload register, make sure
9521 that if the source of the previous insn is a reload register, its
9522 spill_reg_store and spill_reg_stored_to values are cleared.
9524 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org>
9526 * rs6000.md (floatunssidf2_internal splitter): Use base register
9527 operand, not hard-coded SP.
9529 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9531 * jump.c (calculate_can_reach_end): Fix thinko.
9533 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
9535 * reorg.c (fill_simple_delay_slots): Fix typo.
9537 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
9539 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
9541 * i386.md (extendsidi2): Use # in the output template.
9542 (extendsidi splitters): New splitters.
9544 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
9546 * configure.in: Use unknown-elf.h as tm_file for arm-elf
9548 * configure: Regenerate.
9550 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9552 * jump.c (init_label_info, delete_barrier_successors,
9553 mark_all_labels, delete_unreferenced_labels,
9554 delete_noop_moves, calculate_can_reach_end): New functions broken
9555 out of jump_optimize.
9556 (jump_optimize): Use them.
9558 Thu Nov 5 07:57:45 1998 Andrew MacLeod <amacleod@cygnus.com>
9560 * except.c (expand_fixup_region_end): Make sure outer context labels
9561 are not issued in an inner context during cleanups.
9563 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
9565 * alpha.md (addsi3, subsi3): No new temporaries once cse is
9568 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
9570 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
9571 to expose this midpoint to CSE.
9573 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9575 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
9577 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9579 * configure.in: Bring over gcc2 change of Nov 19 1997.
9581 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
9583 * toplev.c (output_lang_identify): Make definition dependent on
9584 ASM_IDENTIFY_LANGUAGE.
9586 * print-rtl.c (spaces): Make static.
9588 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
9590 * extend.texi: Clarify proper uses for register clobbers in asms.
9592 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9594 * recog.h (enum op_type): Define.
9595 (constrain_operands): Adjust prototype.
9596 (recog_op_type): Declare new variable.
9597 * recog.c (recog_op_type): New variable.
9598 (insn_invalid_p): Allow modifying an asm statement after reload.
9599 (extract_insn): Set up recog_op_type.
9600 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
9601 Don't compute operand types, use recog_op_type.
9602 Use the information computed by extract_insn instead of the previous
9603 method of finding it by insn code number.
9604 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
9605 * reorg.c (fill_slots_from_thread): Likewise.
9606 * reload1.c (reload_as_needed): Likewise.
9607 (gen_reload): Likewise.
9608 (inc_for_reload): Likewise.
9609 (reload_cse_simplify_operands): Likewise.
9610 Use the information computed by extract_insn instead of the previous
9611 method of finding it by insn code number.
9612 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
9614 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
9615 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
9616 Use the information computed by extract_insn instead of the previous
9617 method of finding it by insn code number.
9618 * regmove.c (find_matches): Likewise. Change meaning of the return
9619 value to be nonzero if the optimization can be performed, zero if
9620 not. All callers changed.
9621 Shorten some variable names to fix formatting problems.
9622 (regmove_optimize): Shorten some variable names to fix formatting
9624 Use the information computed by extract_insn instead of the previous
9625 method of finding it by insn code number.
9626 * regclass.c (scan_one_insn): Likewise.
9627 (record_reg_classes): Don't compute operand types, use recog_op_type.
9628 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
9629 recog_constraints instead.
9631 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
9633 * rtl.h (flow2_completed): Declare.
9634 * flow.c (flow2_completed): Definition.
9635 * toplev.c (rest_of_compilation): Set and clear flow2_completed
9638 Wed Nov 4 19:15:37 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9640 * Makefile.in (libcpp.a): Ranlib libcpp.a.
9642 * cppulp.c (user_label_prefix): Initialize.
9644 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
9646 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
9647 at a RETURN if current_function_sp_is_unchanging is set.
9649 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9651 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
9653 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
9655 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
9656 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
9657 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
9658 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
9659 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
9660 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
9662 (LIB_SPEC): Handle -mno-cygwin option.
9663 (LINK_SPEC): Handle -mdll.
9665 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9667 * reload.c (find_reloads): Fix test for usage by other reload
9668 to handle secondary reloads properly.
9670 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9672 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
9673 intermediate structure which has exactly the members provided by
9674 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
9675 static intermediate structure.
9677 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
9678 from the intermediate structure. Do the same analogous fix in
9679 the case where ELIMINABLE_REGS is not defined.
9681 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
9683 * pa.h (SELECT_SECTION): Fix thinko.
9685 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
9687 * dwarf2out.c (output_call_frame_info): Comments on last change.
9689 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
9691 * arm.c (add_constant): When taking the address of an item in the
9692 pool, get the mode of the item addressed.
9694 * arm.c (final_prescan_insn case INSN): If an insn doesn't
9695 contain a SET or a PARALLEL, don't consider it for conditional
9698 Restore ABI compatibility for NetBSD.
9699 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
9701 (RETURN_IN_MEMORY): Likewise.
9703 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
9705 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
9706 (m32r_output_block_move): Rewrite bytes < 4 handling.
9708 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9710 * configure.in: Call AC_FUNC_VFORK.
9712 * collect2.c: Define VFORK_STRING as a printable string for
9713 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
9714 defined, include vfork.h. If VMS is defined, define vfork()
9715 appropriately. Remove vfork check on USG, we're using autoconf.
9716 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
9717 checking locally what string to pass.
9718 (scan_prog_file): Likewise.
9719 (scan_libraries): Likewise.
9721 * gcc.c: Remove vfork check on USG, we're using autoconf.
9722 Besides, no calls to vfork/fork occur in this file.
9724 * protoize.c: Likewise.
9726 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9728 * configure.in (DEFAULT_LINKER): Renamed from LD.
9729 (DEFAULT_ASSEMBLER): Renamed from AS; reverted Schwab's patch.
9730 (gcc_cv_as): Try $DEFAULT_ASSEMBLER before $AS.
9731 * configure: Rebuilt.
9733 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9735 * BUGS: Fix the regexp for `more' to find the appropriate node.
9736 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
9738 * BUGS: Added link to the WWW FAQ.
9740 Sun Nov 1 18:27:15 1998 Jeff Law (law@cygnus.com)
9742 * version.c: Bump for snapshot.
9744 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
9746 * From Christian Gafton:
9747 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
9748 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
9749 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
9751 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
9753 * c-common.c (c_get_alias_set): Allow all type-punning through
9754 unions. Don't get confused about the type of a bit-field, despite
9755 the antics of build_modify_expr.
9757 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
9759 * fixinc.sco: Parameterize #include_next values.
9760 * fixinc/fixinc.sco: Likewise.
9762 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
9764 * toplev.c (rest_of_compilation): No longer set reload_completed.
9765 * reload1.c (reload): Set it here. Perform instruction splitting
9766 after reload has completed if we will be running the scheduler
9769 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
9771 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
9772 EH region if exceptions are enabled and we're performing cross
9774 (find_cross_jump): Exit loop if the insns are in different EH regions.
9776 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
9778 * dwarf2out.c (output_call_frame_info): Use
9779 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
9781 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9783 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
9784 * c-common.c (check_format_info): Don't check for the 'x'
9785 format character twice, instead check for 'x' and 'X'
9787 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
9789 * configure.in (assembler features): Also make gas is configured if
9790 we find it in the source tree.
9792 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
9794 * i386.c (i386_comp_type_attributes): Compare whether the
9795 attributes are defined, not their tree nodes.
9797 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9799 * configure.in (gxx_include_dir): Bitten by autoconf quoting
9801 * configure: Rebuilt.
9803 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9805 * configure.in: Ignore non-absolute value in $AS.
9807 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
9809 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
9811 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
9813 * configure.in (msdosdjgpp): Set exeext and target_alias.
9815 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9817 * flow.c (XNMALLOC): New macro.
9818 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
9820 (add_edge, add_edge_to_label): New static functions.
9821 (free_bb_memory): New function.
9822 (flow_delete_insn): Delete function.
9823 (basic_block_drops_in): Delete variable.
9824 (find_basic_blocks): Allocate and initialize basic_block_head,
9825 basic_block_succ. Don't allocate basic_block_drops_in.
9826 Call free_bb_memory at the beginning.
9827 (find_basic_blocks_1): Don't do multiple passes.
9828 Delete code to compute basic_block_drops_in.
9829 After calling make_edges, mark blocks reached by current block live.
9830 Update test for unreachable live blocks.
9831 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
9833 Simplify to call add_edge_to_label when a LABEL_REF is found.
9834 (make_edges): Simplify to call add_edge_to_label instead of
9835 mark_label_ref most of the time.
9836 Compute here whether control drops into the next block.
9837 (delete_unreachable_blocks): Return void. All callers changed.
9838 Delete unreachable blocks in reverse order.
9839 After deleting all unreachable blocks, renumber the remaining ones
9840 and update n_basic_blocks.
9841 (delete_block): Speed up deletion a bit.
9842 Don't set basic_block_drops_in for deleted blocks.
9843 (free_basic_block_vars): Don't free basic_block_drops_in.
9844 (life_analysis_1): Update to use new edge representation.
9845 (dump_flow_info): Delete code to print basic block info; call
9846 dump_bb_data instead.
9847 (compute_preds_succs): Delete code to recompute basic_block_drops_in
9848 and uid_block_number.
9849 Simply copy the previously computed cfg.
9850 (dump_bb_data): New arg LIVE_INFO. All callers changed.
9851 Print register lifetime information if LIVE_INFO is nonzero.
9852 * basic-block.h (dump_bb_data): Adjust prototype.
9853 * gcse.c (gcse_main): Update call to dump_bb_data.
9854 * rtl.h (free_bb_memory): Declare.
9855 * toplev.c (rest_of_compilation): Call free_bb_memory.
9857 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
9858 (update_eliminable_offsets): Don't compute it.
9859 (set_initial_elim_offsets): Don't initialize it.
9860 Break out some code into set_initial_label_offsets so the rest of
9861 this function can be called from reload_as_needed.
9862 Assume that INITIAL_FRAME_POINTER_OFFSET is defined when
9863 ELIMINABLE_REGS isn't.
9864 (set_initial_label_offsets): New function, broken out of
9865 set_initial_elim_offsets.
9866 (set_offsets_for_label): New function, broken out of set_label_offsets
9867 and reload_as_needed.
9868 (reload): Call the two new functions.
9869 (reload_as_needed): Call set_initial_elim_offsets instead of
9870 duplicating the code. Likewise for set_offsets_for_label.
9872 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
9873 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
9874 any hard reg, reg_reloaded_dead contains valid data.
9876 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
9878 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
9879 "stdcall" and "cdecl" attributes.
9881 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
9883 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
9884 handle deleted no-op moves of hard registers.
9885 * haifa-sched.c (update_flow_info): Likewise.
9887 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
9889 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
9890 of the sequences to reload the HILO register which do not actually
9893 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
9895 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
9897 Thu Oct 29 14:10:22 1998 Andrew MacLeod <amacleod@cygnus.com>
9899 * except.c (emit_eh_context): Make the EH context register stay alive
9900 at -O0 so stupid.c doesn't get confused.
9902 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9904 * emit-rtl.c (try_split): Do not try to split a BARRIER.
9906 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
9907 Jeffrey A Law (law@cygnus.com)
9909 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM.
9910 (zero_extendsidi2): Use # in output template and handle completely by
9912 (zero_extend splitters): New define_splits.
9913 (ashiftrt_32): New pattern.
9915 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
9917 * tree.c (append_random_chars): New fn.
9918 (get_file_function_name_long): Use it.
9920 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
9922 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
9923 (LIBCPP_OBJS): New. Add cppulp.o.
9924 (cppmain, fix-header): Depend on and use libcpp.a.
9925 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
9926 of the individual object files.
9927 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
9930 * cccp.c (user_label_prefix): New.
9931 (main): Set it off -f*leading-underscore.
9932 (special_symbol): Use it.
9933 * cpplib.c (special_symbol): Likewise.
9934 (cpp_handle_option): Handle -f*leading-underscore.
9935 * cppulp.c: New file.
9937 * output.h (user_label_prefix): Declare it.
9938 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
9939 * toplev.c (f_options, main): Handle -f*leading-underscore.
9941 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
9942 referencing USER_LABEL_PREFIX directly.
9943 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
9944 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9945 * final.c (asm_fprintf): Use user_label_prefix instead.
9946 * arm/thumb.c (thumb_print_operand): Likewise.
9948 * gcc.c (default_compilers): Pass -f*leading-underscore on to
9949 cpp wherever appropriate.
9951 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
9953 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
9954 specific compiler switches.
9956 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
9958 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
9961 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9963 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
9964 structure which has exactly the members provided by EXTRA_SPECS.
9965 Xmalloc() the real `extra_specs', and initialize it from this
9966 intermediate structure.
9968 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
9970 * mips.h (EXTRA_SPECS): Likewise.
9972 * sparc.h (EXTRA_SPECS): Likewise.
9974 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
9976 * function.c (purge_addressof_1): Instead of aborting when a
9977 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
9978 work just put the ADDRESSOF on stack. Otherwise remember all such
9979 successful replacements, so that exactly the same replacements
9980 can be made on the REG_NOTEs. Remove the special case for CALL
9982 (purge_addressof_replacements): New variable.
9983 (purge_addressof): Clear it at end.
9985 1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu>
9987 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
9988 (lang_init): Call check_newline always.
9989 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
9990 cpp_start_read, set yy_cur and yy_lim to read from
9991 parse_in.token_buffer, so that we'll see the first #line
9993 * cpplib.c (cpp_start_read): finclude the main input file
9994 before processing -include/-imacros. Process -imacros and
9995 -include separately, and handle -include by stacking a
9996 buffer for the file in question as if it'd been #included.
9997 * toplev.c (documented_lang_options): Recognize -H when
10000 1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu>
10002 * cpplib.c: Merge do_once into do_pragma. Break file handling
10003 code out of do_include.
10004 Move append_include_chain, deps_output,
10005 file_cleanup, redundant_include_p, import_hash,
10006 lookup_import, add_import, read_filename_string, read_name_map,
10007 open_include_file, finclude, safe_read to cppfiles.c.
10008 Move prototypes for deps_output, append_include_chain,
10009 finclude to cpplib.h. Move definition of struct
10010 file_name_list there also.
10012 * cppfiles.c: New file. Contains all the above functions
10013 broken out of cpplib.c; also hack_vms_include_specification
10014 from cccp.c and find_include_file, a new function broken out of
10017 * Makefile.in (cppmain): Depend on cppfiles.o.
10018 (fix-header): Likewise.
10019 (cppfiles.o): New target.
10020 * configure.in (--enable-c-cpplib): Add cppfiles.o to
10021 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
10023 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
10025 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
10026 if pending_types is non-zero.
10027 (dwarfout_finish): Verify pending_types is zero before finishing.
10029 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
10031 * expr.c (convert_move): Use shifts to perform the move if a
10032 suitable extend pattern cannot be found. Code written by
10033 Richard Henderson <rth@cygnus.com>.
10035 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10037 * regclass.c (renumber, regno_allocated): New static variables, moved
10038 out of allocate_reg_info.
10039 (allocate_reg_info): Move these two variables outside the function.
10040 Move code to free memory into new function free_reg_info.
10041 (free_reg_info): New function, broken out of allocate_reg_info.
10042 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
10043 * rtl.h (allocate_reg_info): Don't declare.
10044 (free_reg_info): Declare.
10046 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
10048 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
10050 * toplev.c (compile_file): Temporarily revert last change.
10052 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
10054 * c-typeck.c (convert_for_assignment): Parenthesize.
10056 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
10058 * reload1.c (delete_output_reload): Avoid ambigous else.
10060 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
10062 * toplev.c (compile_file): Call allocate_reg_info to free register
10064 * rtl.h (allocate_reg_info): Declare.
10066 * PROJECTS: Remove entry for local spilling.
10068 * final.c (cleanup_subreg_operands): New function.
10069 (final_scan_insn): Use it.
10070 (alter_subreg): Clear the "used" field when we turn a SUBREG into
10072 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
10073 operands when reload has finished.
10074 * reload.h (cleanup_subreg_operands): Declare..
10075 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
10076 reload. Handled in reload itself.
10078 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10080 * reload1.c (verify_initial_offsets): New function.
10081 (reload): Call it after reload_as_needed. Also verify that the frame
10082 size stays constant during reload_as_needed.
10083 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
10085 * reload.h (struct insn_chain): Add need_operand_change element.
10086 * reload1.c (new_insn_chain): Clear it.
10087 (calculate_needs_all_insns): Set it; don't overload need_reload.
10088 (reload_as_needed): Use it.
10090 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
10091 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
10092 and reload_address_index_reg_class.
10093 (find_reloads_address_1): Likewise.
10094 * reload.h (reload_address_base_reg_class,
10095 reload_address_index_reg_class): Don't declare.
10096 * reload1.c (reg_old_renumber, pseudo_previous_regs,
10097 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
10098 (used_spill_regs): Now static.
10099 (reload_address_base_reg_class, reload_address_index_reg_class,
10100 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
10101 basic_block_needs, max_needs, group_size, group_mode, max_groups,
10102 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
10105 (init_reload): Delete code to compute base/index reg classes.
10106 (reload): Delete variable J.
10107 Delete code to manage basic_block_needs.
10108 Don't compute regs_explicitly_used.
10109 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
10110 pseudo_previous_regs.
10111 Initialize bad_spill_regs_global.
10112 Don't call order_regs_for_reload here.
10113 Don't initialize spill_reg_order and n_spills.
10114 Don't forbid explicitly used regs to be used for spill regs.
10115 Change main loop to infinite loop, with explicit break statements.
10116 Make SOMETHING_CHANGED variable local to that loop.
10117 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
10118 max_groups_insn, max_nongroups_insn, group_size, group_mode.
10119 Make sure spilled_pseudos is cleared before calling spill_hard_reg or
10121 Don't call dump_needs.
10122 Delete code to reset potential_reload_regs.
10123 Delete code to terminate loop conditional on the global needs variables
10124 showing no further needs.
10125 (calculate_needs_all_insns): Return void. All callers changed.
10126 Initialize something_needs_elimination here, not in reload.
10127 Delete avoid_return_reg kludge.
10128 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
10129 All callers changed.
10130 Initialize the group_mode and group_size elements of the arg CHAIN.
10131 Delete code to manage basic_block_needs.
10132 Operate on elements of CHAIN instead of global variables.
10133 Delete avoid_return_reg kludge.
10134 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
10135 All callers changed.
10136 Operate on elements of CHAIN instead of global variables.
10137 Delete special SMALL_REGISTER_CLASSES code.
10138 Delete spill_failure code; now in new_spill_reg.
10139 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
10140 All callers changed.
10141 Operate on elements of CHAIN instead of global variables.
10142 (maybe_mark_pseudo_spilled): New static function.
10143 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
10144 All callers changed.
10145 Operate on elements of CHAIN instead of global variables.
10146 Call order_regs_for_reload here, not in reload.
10147 Initialize spill_reg_order and n_spills.
10148 Simplify test whether an asm insn is involved.
10149 Delete spill_failure code; now in new_spill_reg.
10150 Call maybe_mark_pseudo_spilled for everything marked as live in
10151 CHAIN. Merge CHAIN's used_spill_regs into the global variable
10153 (dump_needs): Take CHAIN arg. No longer static, to prevent the
10154 compiler from optimizing this function (now unused) away.
10155 Operate on elements of CHAIN instead of global variables.
10156 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
10158 Operate on elements of CHAIN instead of global variables.
10159 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
10160 take CHAIN arg. All callers changed.
10161 Operate on elements of CHAIN instead of global variables.
10162 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
10163 CHAIN, NONGROUP args. Return void. All callers changed.
10164 Verify caller isn't trying to spill a pseudo.
10165 Simplify test for illegal reg, just use bad_spill_regs.
10166 Generate better error messages.
10167 Operate on elements of CHAIN instead of global variables.
10168 Mark spilled register in CHAIN's used_spill_regs element.
10169 Don't call spill_hard_reg.
10170 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
10171 Mark spilled hard regs in bad_spill_regs_global.
10172 Mark affected pseudos in spilled_pseudos, but don't spill them.
10173 (ior_hard_reg_set): New static function.
10174 (finish_spills): Return int. All callers changed.
10175 Compute spill_reg_order, n_spills and spill_regs here. Also update
10176 regs_ever_live for regs used as spills.
10177 For every pseudo in spilled_pseudos, spill it and mark the previous
10178 hard reg it had in pseudo_previous_regs. Compute which hard regs
10179 are used as spills in insns during which it is live, and retry global
10180 register allocation. Update all life information in the
10181 reload_insn_chain not to include pseudos without hard regs.
10182 Call alter_reg for all affected speudos.
10184 (scan_paradoxical_subregs): Disable SMALL_REGISTER_CLASSES special
10185 case, it's not clear what it's supposed to do.
10187 (hard_reg_use_compare): Take bad_spill_regs into account.
10188 (pseudos_counted): New static variable.
10189 (count_pseudo): New static function.
10190 (order_regs_for_reload): Take CHAIN arg. All callers changed.
10191 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
10192 hard registers explicitly used across the current insn into the set.
10193 Compute hard_reg_n_uses taking only pseudos live across this insn
10195 Tweak sorting of potential_reload_regs.
10196 (compare_spill_regs): Delete function.
10197 (reload_as_needed): Don't sort the spill_regs array, it's computed
10198 in proper order in finish_spills.
10199 Delete avoid_return_reg kludge.
10200 Delete code to manage basic_block_needs.
10201 (allocate_reload_reg): Minor speed/readability tweaks.
10202 Operate on elements of CHAIN instead of global variables.
10203 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
10204 Delete avoid_return_reg kludge.
10205 Initialize reload_reg_used from CHAIN's used_spill_regs element.
10206 Delete unused label FAIL.
10207 (reload_combine): Replace reload_address_index_reg_class with
10209 Don't use used_spill_regs to determine information about lifetime of
10212 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
10214 * toplev.c (display_help): Ignore empty target specific
10215 options, and if -W is also specified on the command line then
10216 display undocumented options.
10218 * config/arm/arm.c: Updated with changes in devo sources.
10219 * config/arm/arm.h: Updated with changes in devo sources.
10220 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
10221 * config/arm/lib1thumb.asm: Add ELF support.
10223 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org>
10225 * collect2.c (aix64_flag): New variable.
10226 (main, case 'b'): Parse it.
10227 (GCC_CHECK_HDR): Object magic number must match mode.
10228 (scan_prog_file): Only check for shared object if valid header.
10229 Print debugging if header/mode mismatch.
10231 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
10233 Added support for arm-elf-linux configuration, submitted by Philip
10234 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
10235 code developed by Catherine Moore <clm@cygnus.com>. The following
10236 files are affected:
10238 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
10241 * configure: Regenerated.
10243 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
10244 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
10245 definitions conditional on their not having been already defined.
10247 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
10248 and .type directives, and add "(PLT)" qualification to function
10251 * config/arm/linux.h: Deleted. This file is now superseded by
10252 either linux-elf.h or linux-aout.h.
10254 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
10255 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
10257 Move definitions from old linux.h file here.
10259 * config/arm/elf.h: New file. Generic ARM/ELF support.
10261 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
10263 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
10265 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
10266 using the 26bit APCS.
10268 * config/arm/unknown-elf.h: New file. Support for OS'es other
10269 than Linux with ELF.
10271 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
10274 * config/arm/coff.h: Include aout.h for basic assembler macros.
10275 Add support for -mstructure_size_boundary=<n> command line option.
10277 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
10278 command line option. Make macro definitions conditional on their
10279 not having been already defined.
10281 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
10282 command line option.
10285 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
10287 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
10288 has been changed to not include a newline. Use this macro instead.
10289 (output_enumeral_list, const_value_attribute, name_attribute,
10290 comp_dir_attribute, prototyped_attribute, producer_attribute,
10291 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
10292 dwarfout_file_scope_decl, generate_new_sfname_entry,
10293 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
10294 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
10296 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
10298 * combine.c (subst): Process the inputs to a parallel asm_operands
10301 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
10303 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
10305 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
10307 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
10309 Mon Oct 26 00:36:58 1998 Jeff Law (law@cygnus.com)
10311 * version.c: Bump for snapshot.
10313 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
10315 * stmt.c (expand_fixup): Set fixup->before_jump to a
10316 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
10318 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10320 * Makefile.in (recog.o): Depend on toplev.h.
10321 (insn-emit.o): Depend on recog.h.
10322 (insn-peep.o): Depend on recog.h and insn-config.h.
10324 * combine.c (simplify_set): Remove unused variable `scratches'.
10326 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
10327 and `idx' in macro conditional controlling their use.
10329 * genemit.c (main): Make the generated output file include
10330 recog.h. Don't have it declare `insn_operand_constraint', since
10331 we get it from recog.h.
10333 * genpeep.c (main): Make the generated output file include
10334 insn-config.h and recog.h.
10336 * recog.c: Include toplev.h.
10337 (extract_insn): Remove unused variable `p'.
10339 * regclass.c (fix_register): Add missing braces around initializer
10341 (allocate_reg_info): Move variable `i' into the scope where it is
10342 used. Change its type to `size_t'.
10344 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10346 * reload.c (push_reload): When merging reloads, make sure
10347 that reload_in_reg and reload_in are from the same reload in
10350 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
10352 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
10353 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
10355 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org>
10357 * loop.c (loop_has_tablejump): New variable.
10358 (prescan_loop): Scan for it.
10359 (insert_bct): Replace explicit scan with use of it.
10360 * regclass.c (regclass): Restore loop variable j.
10361 (record_reg_classes): Deterine op_types modifiers and initialize
10362 classes[i] before matching constraints. Handle matching
10365 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
10367 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
10370 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10372 * mips.h (EXTRA_SPECS): Add missing initializers.
10374 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10376 * sparc.h (EXTRA_SPECS): Add missing initializers.
10377 (sparc_defer_case_vector): Provide a prototype.
10379 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
10380 comparing it to the result of a pointer subtraction.
10382 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10384 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
10385 the argument to (unsigned char).
10387 * alpha.h (EXTRA_SPECS): Add missing initializers.
10388 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
10391 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
10393 * flow.c (life_analysis_1): Enable "rescan" code after reload.
10394 (propagate_block): Delete dead code after reload.
10396 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
10397 back Oct 15, 1998 change.
10398 * haifa-sched.c (update_flow_info): Likewise.
10399 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
10401 * mn10200.md (truncated shift): Accept constant inputs too.
10403 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
10405 * machmode.h (mode_mask_array): No longer const.
10406 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
10408 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10410 * frame.c: Somewhat explain `FDE'.
10411 Suggested by Brendan Kehoe
10413 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
10415 * expr.c (pending_chain): Move up.
10416 (save_expr_status): Do save pending_chain.
10417 (restore_expr_status): And restore it.
10418 * function.h (struct function): Add pending_chain.
10420 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10422 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
10423 did not match the code.
10425 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10427 * regclass.c (regclass): Break out some code into new function
10428 scan_one_insn, and into regclass_init.
10429 (init_cost): New static variable, moved out of regclass.
10430 (regclass_init): Initialize it here, not in .
10431 (scan_one_insn): New static function, broken out of regclass.
10432 * recog.c (apply_change_group): Break out some code into new
10433 function insn_invalid_p.
10434 (insn_invalid_p): New static fn, broken out of apply_change_group.
10436 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
10438 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
10439 reg_reloaded_contents matches incremented pseudo.
10441 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
10443 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10445 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
10446 addressing modes with side effects. These are currently
10447 placeholders for the C4x target.
10449 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10451 * loop.c (express_from): Make sure that when generating a PLUS of
10452 a PLUS, any constant expression appears on the outermost PLUS.
10454 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
10456 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
10457 works if "$(srcdir)" != ".".
10459 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
10461 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
10462 existing SUBREG if we can, otherwise abort.
10464 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
10466 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
10467 `restrict' is applied to a non-pointer variable.
10469 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
10471 * invoke.texi: Document -flang-isoc9x.
10473 * Makefile.in (OBJS): Add splay-tree.o.
10474 (c-common.o): Depend on rtl.h.
10475 (splay-tree.o): List dependencies and provide build rule.
10477 * rtl.h (record_alias_subset): New function.
10478 * alias.c: Include splay-tree.h.
10479 (alias_set_entry): New type.
10480 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
10481 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
10482 (mems_in_disjoin_alias_sets_p): New function.
10483 (alias_set_compare): Likewise.
10484 (insert_subset_children): Likewise.
10485 (get_alias_set_entry): Likewise.
10487 * tree.h (TYPE_RESTRICT): New macro.
10488 (TYPE_UNQUALIFIED): New manifest constant.
10489 (TYPE_QUAL_CONST): Likewise.
10490 (TYPE_QUAL_VOLATILE): Likewise.
10491 (TYPE_QUAL_RESTRICT): Likewise.
10492 (tree_type): Add restrict_flag. Reduce count of free bits.
10493 (DECL_POINTER_ALIAS_SET): New macro.
10494 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
10495 (tree_decl): Add pointer_alias_set.
10496 (build_qualified_type): New function.
10497 (build_type_variant): Define in terms of build_qualified_type.
10498 * tree.c (set_type_quals): New function.
10499 (make_node): Initialize DECL_POINTER_ALIAS_SET.
10500 (build_type_attribute_variant): Use build_qualified_type and
10502 (build_type_variant): Rename, and modify, to become...
10503 (build_qualified_type): New function.
10504 (build_complex_type): Use set_type_quals.
10506 * c-tree.h (C_TYPE_OBJECT_P): New macro.
10507 (C_TYPE_FUNCTION_P): Likewise.
10508 (C_TYPE_INCOMPLETE_P): Likewise.
10509 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
10510 (c_apply_type_quals_to_decl): New function.
10511 (c_build_qualified_type): New function.
10512 (c_build_type_variant): Define in terms of c_build_qualified_type.
10513 (flag_isoc9x): Declare.
10514 * c-typeck.c (qualify_type): Use c_build_qualified_type.
10515 (common_type): Change to use TYPE_QUALS.
10516 (comptypes): Likewise.
10517 (convert_for_assignment): Likewise.
10518 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
10519 * c-decl.c (flag_isoc9x): Define.
10520 (c_decode_option): Handle -flang-isoc9x.
10521 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
10522 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
10523 * c-lex.c (init_lex): Deal with restrict.
10524 (init_lex): Don't treat restrict as a reserved word in
10525 -traditional mode, or without -flang-isoc9x.
10526 * c-lex.h (rid): Add RID_RESTRICT.
10527 * c-parse.gperf (restrict, __restrict, __restrict__): Make
10528 equivalent to RID_RESTRICT.
10529 * c-parse.in (TYPE_QUAL): Update comment.
10530 * c-common.c: Include rtl.h.
10531 (c_find_base_decl): New function.
10532 (c_build_type_variant): Rename, and modify, to become ...
10533 (c_build_qualified_type): New function.
10534 (c_apply_type_quals_to_decl): Likewise.
10535 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
10536 a particular alias set for the reference.
10537 * toplev.c (documented_lang_options): Add -flang-isoc9x.
10539 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
10541 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
10542 command line switches.
10544 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
10546 * reload.c (loc_mentioned_in_p): Add missing braces to bind
10547 else to correct if.
10549 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
10551 * gcc.c (option_map): Added --classpath and --CLASSPATH.
10553 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
10555 * regclass.c (fix_register): Add error message.
10556 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
10559 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10561 * c-decl.c (warn_missing_noreturn): New global variable.
10562 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
10563 (finish_function): Implement missing noreturn warning.
10565 * c-tree.h (warn_missing_noreturn): Declare extern.
10567 * invoke.texi: Document new flags.
10569 * toplev.c (documented_lang_options): Add description.
10571 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10573 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
10574 loop optimization stable for the C4x.
10575 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
10576 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
10577 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superseded by BCT
10578 loop optimization).
10579 (c4x_address_conflict): Be more paranoid when packing a volatile
10580 memref in a parallel load/store.
10582 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10584 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
10585 repeat_block_filler): Deleted.
10586 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
10587 Condition code not set if destination register from 'c' class.
10588 (*subbqi3_carry_clobber): Fix typo.
10590 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10592 * reorg.c (steal_delay_list_from_target): Check for insns that
10593 modify the condition codes and effect the direction of the jump
10596 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
10598 * function.c (purge_addressof_1): Replace call to
10599 emit_insns_before() with emit_insn_before().
10601 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
10603 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
10605 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10607 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
10609 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
10611 * gcse.c (compute_hash_table): Correctly identify hard regs which are
10612 clobbered across calls.
10614 * loop.c (scan_loop): Be more selective about what invariants are
10615 moved out of a loop.
10617 Mon Oct 19 10:46:58 1998 Jeff Law (law@cygnus.com)
10619 * version.c: Bump for snapshot.
10621 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
10623 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
10624 static eh_context structure.
10626 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10628 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
10630 (try_combine): Don't update max_scratch.
10631 * flow.c (max_scratch, num_scratch): Delete variables.
10632 (life_analysis_1): Don't initialize max_scratch.
10633 (propagate_block): Don't update max_scratch.
10634 (mark_set_1): Don't increment num_scratch.
10635 * regs.h (max_scratch): Delete declaration.
10637 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
10639 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
10640 is nonzero. This is temporary!
10642 * sched.c (update_flow_info): Handle death notes made invalid by
10643 instruction splitting. Partially reverts Oct 15, 1998 patch.
10644 * haifa-sched.c (update_flow_info): Likewise.
10646 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
10648 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
10649 if it has a nonzero DECL_INITIAL.
10651 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10653 * Makefile.in (flow.o): Depend on recog.h.
10655 * cpplib.h (directive_table): Add missing initializiers.
10656 (finclude): Change type of variable `bsize' to size_t.
10658 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
10660 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
10662 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
10663 `int' when comparing against one.
10664 (cpp_file_line_for_message): Mark parameter `pfile' with
10666 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
10668 * flow.c: Include recog.h.
10669 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
10671 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
10672 `f' with ATTRIBUTE_UNUSED.
10673 (reposition_prologue_and_epilogue_notes): Likewise.
10675 * genopinit.c (gen_insn): Cast argument of ctype functions to
10678 * haifa-sched.c: Include recog.h.
10679 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
10680 comparing against one.
10682 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
10684 * mips-tfile.c (parse_end): Cast the argument of ctype function to
10686 (parse_ent): Likewise.
10687 (parse_input): Likewise.
10689 * optabs.c (init_libfuncs): Likewise.
10691 * protoize.c (find_rightmost_formals_list): Likewise.
10693 * recog.h (const_double_operand): Fix typo in prototype.
10695 * tlink.c (scan_linker_output): Cast the argument of ctype
10696 function to `unsigned char'.
10698 * toplev.c (check_lang_option): Cast the result of `strlen' to
10699 `int' when comparing against one.
10701 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
10703 * gcse.c (dump_cuid_table): Correct typo.
10705 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
10707 * toplev.c (display_help): Prepend '-m' to target specific
10709 (check_lang_option): Ignore text after end of first word of a
10710 language specific option.
10712 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10714 * reload1.c (reg_used_by_pseudo): New static variable.
10715 (choose_reload_regs): Initialize it.
10716 Use it instead of testing spill_reg_order to determine whether a
10717 pseudo is live in a hard register across the current insn.
10718 Fix a typo in a reference to reload_reg_rtx.
10720 * flow.c (propagate_block): Replace code that computes and uses
10721 regs_sometimes_live with simpler code that just walks the set of
10722 currently live registers.
10724 * Makefile.in (insn-extract.o): Fix dependencies.
10725 * genextract.c (main): Generate includes for insn-config.h and
10727 Delete generation of declarations which are now in recog.h.
10728 * genrecog.c (main): Delete generation of definitions which are
10730 * local-alloc.c (block_alloc): Use extract_insn and the variables
10731 it sets up instead of looking up values by insn_code.
10732 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
10733 recog_dup_num): Define here instead of generating the definition in
10735 (recog_n_operands, recog_n_dups, recog_n_alternatives,
10736 recog_operand_mode, recog_constraints, recog_operand_address_p):
10738 (extract_insn): New function.
10739 * recog.h (extract_insn): Declare function.
10740 (which_alternative, recog_n_operands, recog_n_dups,
10741 recog_n_alternatives, recog_operand_mode, recog_constraints,
10742 recog_operand_address_p): Declare variables.
10743 * regclass.c (n_occurrences): New static function.
10744 * reload.c (n_occurrences): Delete function.
10745 (find_reloads): Use extract_insn.
10746 * reload.h (n_occurrences): Delete declaration.
10748 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
10750 * reload1.c (reload_as_needed): Fix test for when to call
10751 update_eliminable_offsets.
10753 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10755 Fix consistency problems with reg_equiv_{mem,address};
10756 Improve reload inheritance;
10758 * reload.c (reload_out_reg): New variable.
10759 (loc_mentioned_in_p, remove_address_replacements): New functions.
10760 (remove_replacements): Deleted.
10761 (push_reload): Set reload_out_reg[i].
10762 When merging, also set reload_{in,out}_reg[i], and remove
10763 duplicate address reloads.
10764 (combine_reloads): Copy reload_out_reg[i].
10765 (find_reloads): Do make_memloc substitution also when
10766 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
10768 Include *recog_operand_loc in commutativity operand changes.
10769 Generate optional output reloads.
10770 Delete reference to n_memlocs. Don't set *recog_operand_loc before
10771 processing operands. Call make_memloc in reg_equiv_address code.
10772 Set *recog_operand_loc only after processing operands, and only
10773 if replace is true. Return a value.
10774 When changing address reload types for operands that didn't get
10775 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
10776 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
10777 Don't emit USEs for pseudo SUBREGs when not replacing.
10778 (find_reloads_address): Do make_memloc substitution also when
10779 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
10781 (find_reloads_toplev): Likewise.
10782 Call make_memloc in reg_equiv_address code.
10783 (debug_reload_to_stream): Add code to output reload_out_reg.
10784 (make_memloc): Delete local variable i, ifdefed out code, and
10785 references to memlocs and n_memlocs.
10786 (memlocs, n_memlocs): Delete.
10787 (push_secondary_reload): Clear reload_out_reg.
10788 (find_reloads_address_1): Provide memrefloc argument to all calls
10789 to find_reloads_address.
10790 In AUTO_INC code, handle non-directly addressable equivalences properly.
10791 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
10792 (find_reloads): Add return type.
10793 (remove_address_replacements, deallocate_reload_reg): Declare.
10794 * reload1.c (num_not_at_initial_offset): No longer static.
10795 (delete_address_reloads, delete_address_reloads_1): Likewise.
10796 (deallocate_reload_reg): New function.
10797 (spill_reg_stored_to): New array.
10798 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
10799 (eliminate_regs_in_insn): Move assignments of previous_offset and
10800 max_offset fields, and recalculation of num_not_at_initial_offset
10801 into new static function:
10802 (update_eliminable_offsets) .
10803 (reload_as_needed): Call update_eliminable_offsets after calling
10805 Call forget_old_reloads_1 with contents of reloaded auto_inc
10806 expressions if the actual addressing can't be changed to match the
10808 (choose_reload_regs): For inheritance, replace
10809 reload_reg_free_before_p test with reload_reg_used_at_all test, and
10810 remove stand-alone reload_reg_used_at_all test.
10811 Use reload_out_reg to determine which reload regs have output reloads.
10812 Treat reload_override_in more similar to inherited reloads.
10813 Handle (subreg (reg... for inheritance.
10814 For flag_expensive_optimizations, add an extra pass to remove
10815 unnecessary reloads from known working inheritance.
10816 Delete obsolete code for pseudos replaced with MEMs.
10817 Handle inheritance from auto_inc expressions.
10818 (emit_reload_insns): If reload_in is a MEM, set OLD to
10820 Don't reload directly from oldequiv; if it's a pseudo with a
10821 stack slot, use reload_in[j].
10822 Check that reload_in_reg[j] is a MEM before replacing reload_in
10823 from reg_reloaded_contents.
10824 Include non-spill registers in reload inheritance processing.
10825 Also try to use reload_out_reg to set spill_reg_store /
10826 reg_last_reload_reg.
10827 In code to set new_spill_reg_store, use single_set to find out if
10828 there is a single set.
10829 Add code that allows to delete optional output reloads.
10830 Add code to allow deletion of output reloads that use no spill reg.
10831 At the end, set reload_override_in to oldequiv.
10832 Also call delete_output_reload if reload_out_reg is equal to old
10834 Add code to call delete_output_reload for stores with no matching load.
10835 Set / use spill_reg_stored_to.
10836 Handle case where secondary output reload uses a temporary, but
10837 actual store isn't found.
10838 When looking for a store of a value not loaded in order to call
10839 delete_output_reload, count_occurrences should return 0 for no
10840 loads; but discount inherited input reloadill_reg_stored_to.
10841 Do checks for extra uses of REG. Changed all
10843 Use delete_address_reloads.
10844 (reload): Take return value of find_reloads into account.
10845 If a no-op set needs more than one reload, delete it.
10846 (reload_reg_free_before_p): RELOAD_FOR_INPUT
10847 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
10848 for the same operand.
10849 (clear_reload_reg_in_use): Check for other reloads that keep a
10851 (reload_reg_free_for_value_p): Handle RELOAD_FOR_OPERAND_ADDRESS /
10852 RELOAD_FOR_OPADDR_ADDR.
10853 Take into account when an address address reload is only needed
10854 for the address reload we are considering.
10855 (count_occurrences): Use rtx_equal_p for MEMs.
10856 (inc_for_reload): Return instruction that stores into RELOADREG.
10857 New argument two, IN, and rtx. Changed all callers.
10858 (calculate_needs_all_insns, reload_as_needed):
10859 Don't clear after_call for a CLOBBER.
10860 Keep track of how many hard registers need to be copied from
10861 after_call, and don't clear after_call before we have seen
10862 that much copies, or we see a different instruction.
10864 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
10866 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
10867 after reload has completed.
10869 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
10871 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
10872 a macro name and the next token with a single blank if that whitespace
10873 is in a macro buffer and the next token is not '('.
10875 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
10877 * cccp.c (rescan): Handle multibyte characters ending in backslash.
10878 (rescan): Likewise.
10879 (skip_if_group): Likewise.
10880 (skip_to_end_of_comment): Likewise.
10881 (macarg1): Likewise.
10882 (discard_comments): Likewise.
10883 (change_newlines): Likewise.
10885 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
10887 * c-lex.c (yylex): Fix unaligned access of wchar_t.
10889 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
10891 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
10892 (TARGET_OPTIONS): Add --help documentation.
10894 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10896 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
10898 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
10900 * fixinc/* Moved in from ../contrib directory in preparation
10901 for integrating it into the normal build process. In particular,
10902 fixinc/Makefile.in must be config-ed into the build directory
10903 as fixinc/Makefile. Proposed patches to ./Makefile.in and
10904 ./configure.in will be "in the mail" momentarily.
10906 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
10908 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
10909 accidently walk into the free list. Comment how that can happen.
10910 (invalidate): Fix indentation.
10912 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10913 Jeffrey A Law (law@cygnus.com)
10915 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
10916 reload. Never perform rescans of the insn chain after reload.
10917 (propagate_block): Do not delete insn or create new autoinc addressing
10918 modes after reload.
10920 * jump.c (jump_optimize): Unconditionally use the code that was
10921 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
10922 * reload1.c (reload): When reloading is finished, delete all
10923 REG_DEAD and REG_UNUSED notes.
10924 (emit_reload_insns): Delete all code that was conditional on
10925 PRESERVE_DEATH_INFO_REGNO_P.
10926 (no_longer_dead_regs): Delete variable.
10927 (reload_cse_delete_death_notes): Delete function.
10928 (reload_cse_no_longer_dead): Delete function.
10929 (reload_cse_regs_1): Delete all code to handle deletion of death
10931 (reload_cse_noop_set_p): Likewise.
10932 (reload_cse_simplify_set): Likewise.
10933 (reload_cse_simplify_operands): Likewise.
10934 (reload_cse_move2add): Likewise.
10935 * reorg.c (used_spill_regs): Delete declaration.
10936 (max_label_num_after_reload): Delete declaration.
10937 (find_dead_or_set_registers): Don't assume that spill regs are
10938 dead at a CODE_LABEL.
10939 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
10941 * sched.c (sched_analyze_insn): Likewise.
10942 (update_flow_info): Likewise.
10943 * haifa-sched.c (sched_analyze_insn): Likewise.
10944 (update_flow_info): Likewise.
10945 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
10946 * toplev.c (max_label_num_after_reload): Delete variable.
10947 (rest_of_compilation): Don't set max_label_num_after_reload.
10948 Call life_analysis after reload_cse_regs if optimizing.
10949 * config/gmicro/gmicro.h: Delete comment referring to
10950 PRESERVE_DEATH_INFO_REGNO_P.
10951 * config/i386/i386.h: Likewise.
10952 * config/m88k/m88k.h: Likewise.
10953 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
10954 * config/sh/sh.h: Likewise.
10956 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org>
10958 * loop.c (strength_reduce): Restore marking bct_p as
10960 * rs6000.c (optimization_options): Change #ifdef HAIFA to
10961 HAVE_decrement_and_branch_on_count.
10962 (small_data_operand): Remove TARGET_ELF condition for marking
10963 parameters ATTRIBUTE_UNUSED.
10965 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
10967 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
10968 (SELECT_SECTION): Resync with svr4.h.
10970 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org>
10972 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
10975 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
10977 * c-pragma.c (handle_pragma_token): Test for null tree before
10978 dereferencing TREE_CODE.
10980 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10982 * config/c4x/c4x.c: Convert to use GEN_INT.
10983 (c4x_parallel_process): Rework to handle new repeat loop structure.
10985 * config/c4x/c4x.md: Convert to use GEN_INT.
10986 (rptb_end): Convert to use GE test. Replace uses with clobbers.
10987 (decrement_and_branch_on_count): Likewise.
10989 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
10990 loop.c has the desired functionality.
10991 (rc_reg_operand): New prototype.
10993 * config/c4x/t-c4x: Can now build all front ends.
10995 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
10997 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
10999 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
11001 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
11002 * config/t-rtems: Do not install assert.h -- use newlib's.
11004 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11006 * combine.c (combine_instructions): When finished, call init_recog.
11007 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
11009 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
11011 * toplev.c: If flag_syntax_only, don't open or write assembler file.
11013 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11015 * cppalloc.c (memory_full): Mark function prototype with
11016 ATTRIBUTE_NORETURN.
11018 * demangle.h (collect_exit): Likewise.
11020 * fix-header.c (v_fatal, fatal): Likewise.
11022 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
11025 * gcov.c (print_usage): Likewise.
11027 * genattr.c (fatal, fancy_abort): Likewise.
11029 * genattrtab.c (fatal, fancy_abort): Likewise.
11031 * gencodes.c (fatal, fancy_abort): Likewise.
11033 * genconfig.c (fatal, fancy_abort): Likewise.
11035 * genemit.c (fatal, fancy_abort): Likewise.
11037 * genextract.c (fatal, fancy_abort): Likewise.
11039 * genflags.c (fatal, fancy_abort): Likewise.
11041 * genopinit.c (fatal, fancy_abort): Likewise.
11043 * genoutput.c (fatal, fancy_abort): Likewise.
11045 * genpeep.c (fatal, fancy_abort): Likewise.
11047 * genrecog.c (fatal, fancy_abort): Likewise.
11049 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
11050 __sjpopnthrow, __throw): Likewise.
11052 * objc/objc-act.c (objc_fatal): Likewise.
11054 * protoize.c (usage, aux_info_corrupted,
11055 declare_source_confusing): Likewise.
11057 * rtl.c (dump_and_abort): Likewise.
11059 * rtl.h (sets_cc0_p): Likewise.
11061 * toplev.c (float_signal, pipe_closed): Likewise.
11063 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11065 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
11066 when generating the decision tree for the general case.
11068 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
11069 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
11071 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11073 * Makefile.in (sched.o): Depend on recog.h.
11075 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
11076 (unsigned) when comparing against one.
11077 (find_base_value): Likewise.
11078 (record_base_value): Cast variable `regno' to (unsigned) when
11079 comparing against one. Cast the result of REGNO() macro to
11080 (unsigned) when comparing against one.
11081 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
11083 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
11084 variable where an unsigned index is needed.
11086 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
11087 before comparing against one.
11089 * collect2.c: Add prototypes for functions `error', `fatal' and
11090 `fatal_perror'. Make these functions take variable arguments
11091 instead of faking it with a fixed number of args.
11092 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
11095 * combine.c (can_combine_p): Mark parameter `pred' with
11097 (find_split_point): Cast variable `src' to (unsigned
11098 HOST_WIDE_INT) when comparing against one.
11099 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
11100 (simplify_logical): Likewise.
11101 (force_to_mode): Cast result of INTVAL() macro to (unsigned
11102 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
11103 HOST_WIDE_INT) in shift.
11104 (simplify_and_const_int): Cast result of INTVAL() macro to
11105 `unsigned HOST_WIDE_INT' when comparing against one.
11106 (merge_outer_ops): Cast variable const0 to `unsigned
11107 HOST_WIDE_INT' when comparing against the result of
11108 GET_MODE_MASK() macro.
11109 (simplify_comparison): Likewise for variable `c0'. Cast variable
11110 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
11111 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
11112 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
11113 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
11114 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
11115 comparing against one.
11116 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
11118 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
11119 macro to `unsigned HOST_WIDE_INT' when comparing against one.
11120 (output_block_move): Cast `sizeof' expression to (int) when
11121 comparing against one.
11122 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
11124 (save_restore_insns): Cast `base_offset' to `long' to match format
11125 specifier in fprintf.
11127 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
11128 to `enum machine_mode'.
11130 * flow.c (life_analysis_1): Remove unused variable `insn'.
11132 * gcc.c (translate_options): Move variables `j' and `k' into the
11133 scope in which they are used. Change their types to `size_t'.
11134 (set_spec): Cast the argument of ctype macro to `unsigned char'.
11135 (read_specs): Likewise.
11136 (process_command): Cast `sizeof' to (int) when comparing against one.
11137 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
11138 (handle_braces): Cast both sides of `==' expression to `long' to
11139 ensure sign matching.
11140 (main): Cast variable `i' to `int' when comparing against one.
11142 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
11143 int to size_t. Cast variable `i' to size_t when comparing against
11146 * genattrtab.c (convert_set_attr_alternative): Remove unused
11147 parameter `insn_code'. All callers changed.
11148 (convert_set_attr): Likewise.
11150 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
11151 size_t when comparing against one. Likewise for variable `len'.
11153 * global.c (global_alloc): Cast variable `max_regno' to size_t
11154 when comparing against one. Likewise for variable `max_allocno'.
11156 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
11158 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
11159 `set' with ATTRIBUTE_UNUSED.
11160 (find_free_reg): Cast `sizeof' expression to (int) when comparing
11163 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
11164 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
11165 (get_condition): Cast variable `const_val' to `unsigned
11166 HOST_WIDE_INT' when comparing against one. Cast unsigned
11167 expression to HOST_WIDE_INT when comparing against one.
11168 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
11169 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
11170 `unsigned' when comparing against one.
11172 * protoize.c (is_id_char): Change type of parameter `ch' to
11174 (munge_compile_params): Cast argument of ctype macro to (const
11176 (process_aux_info_file): Cast variable `aux_info_size' to int when
11177 comparing against one.
11178 (forward_to_next_token_char): Cast argument of ctype macro to
11179 `const unsigned char'.
11180 (edit_formals_lists): Likewise.
11181 (find_rightmost_formals_list): Likewise.
11182 (add_local_decl): Likewise.
11183 (add_global_decls): Likewise.
11184 (edit_fn_definition): Likewise.
11185 (do_cleaning): Likewise.
11186 (scan_for_missed_items): Likewise.
11187 (edit_file): Cast variable `orig_size' to (int) when comparing
11189 (main): Cast argument of ctype macro to `const unsigned char'.
11191 * recog.c (const_int_operand): Mark parameter `mode' with
11194 * regclass.c (record_reg_classes): Change type of variable `c' to
11195 `unsigned char'. Cast `char' array index to `unsigned char'.
11197 * reload.c (push_secondary_reload): Cast argument to
11198 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
11200 * reload1.c (calculate_needs): Cast `char' array index to
11202 (set_label_offsets): Change type of variable `i' to unsigned int.
11203 Cast result of XVECLEN() macro to unsigned when comparing against
11205 (mark_not_eliminable): Change type of variable `i' to unsigned.
11206 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
11207 when comparing against one.
11208 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
11209 comparing against one.
11210 (choose_reload_regs): Hide unused label `fail'.
11211 (reload_cse_simplify_operands): Cast `char' array index to
11213 (reload_combine_note_store): Mark parameter `set' with
11214 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
11216 (reload_cse_move2add): Remove unused variable `src2'.
11218 * sched.c: Include recog.h.
11219 (sched_note_set): Remove unused parameter `b'. All callers
11221 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
11222 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
11223 when comparing against one.
11225 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
11226 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
11227 comparing against one.
11229 * unroll.c (precondition_loop_p): Remove unused parameter
11230 `loop_end'. All callers changed.
11232 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11234 * reload1.c (maybe_fix_stack_asms): New static function.
11237 * reload.h (compute_use_by_pseudos): Declare.
11239 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
11240 (something_needs_reloads): Delete variable.
11241 (finish_spills): New function.
11242 (compute_use_by_pseudos): New function.
11244 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
11245 Use the reload_insn_chain instead of walking the rtl directly.
11247 (reload): Allocate and free spilled_pseudos.
11248 Ensure that all calls of spill_hard_reg are followed by a call to
11250 Use the insns_need_reload list instead of something_needs_reloads
11251 to find out if reload_as_needed must be called.
11252 Clear unused_insn_chains at the end.
11254 (calculate_needs_all_insns): Lose FIRST parameter. All callers
11256 Delete code to keep track of current basic block.
11257 Walk reload_insn_chain instead of the rtl structure. Build the
11258 insns_need_reload chain.
11259 Remember which insns need reloading/elimination by setting the
11260 appropriate fields in struct insn_chain, not by putting modes on the
11263 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
11264 arg INSN. All callers changed.
11265 Delete declaration of struct needs.
11266 Don't set something_needs_reloads.
11267 Record insn needs in the CHAIN argument.
11269 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
11271 (reload_as_needed): Lose FIRST arg. All callers changed.
11272 Walk the reload_insn_chain instead of the rtx structure.
11273 Delete code to keep track of current basic block.
11274 Rename one of the NEXT variables to OLD_NEXT.
11276 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
11278 (choose_reload_regs): Likewise.
11280 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
11283 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
11284 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
11285 (hard_regs_live, hard_regs_need_restore): Delete variables.
11286 (n_regs_saved): Now static.
11287 (referenced_regs, this_insn_sets): New variables.
11289 (setup_save_areas): Restructure the code a bit.
11291 (restore_referenced_regs): Delete function.
11292 (mark_referenced_regs): New function, similar to the old
11293 restore_referenced_regs, but mark registers in referenced_regs.
11295 (clear_reg_live): Delete function.
11296 (mark_set_regs): Renamed from set_reg_live. All callers changed.
11297 Only mark registers in this_insn_sets.
11299 (save_call_clobbered_regs): Rework this function to walk the
11300 reload_insn_chain instead of using the list of instructions directly.
11301 Delete code to keep track of register lives, compute live regs on the
11302 fly from information in the chain.
11303 Instead of calling restore_referenced_regs, use mark_referenced_regs,
11304 then walk the set it computes and call insert_restore as appropriate.
11306 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
11308 Restructure the code a bit. Test hard_regs_saved instead of
11309 hard_regs_need_restore.
11310 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
11311 args. All callers changed.
11312 Restructure the code a bit. Use TO_SAVE to determine which regs to
11313 save instead of more complicated test.
11314 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
11316 Create a new insn_chain structure for the new insn and place it
11319 * rtl.texi: Update documentation to reflect that reload no longer
11320 puts modes on the insns.
11322 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11324 * function.c (purge_addressof_1): Force the first argument of a
11325 CALL insn to memory.
11327 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
11329 * rtl.h: Delete duplicate prototypes. Add some missing
11331 * rtlanal.c (for_each_rtx): Formatting tweak.
11333 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11335 * real.c (emdnorm and etoasc): Disable round to even for c4x target
11336 to be compatible with TI compiler.
11338 * Makefile.in (USER_H): Add va-c4x.h to definition.
11340 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
11342 * function.c (purge_addressof_1): Fix typo in inequality: do
11343 bitfield optimization for equal mode sizes.
11344 * expmed.c (store_bit_field): Don't take subregs of subregs in
11345 the movstrict case. Tidy a potential problem in the multi-word case.
11346 (extract_bit_field): Likewise.
11348 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11350 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
11352 Compute max_uid_for_flow by calling get_max_uid after the scan.
11353 (find_basic_blocks_1): Don't emit NOPs here.
11355 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
11357 * alias.c (base_alias_check): Accept new args for the modes of the
11358 two references. Use them to determine if an AND can overlap. Update
11360 (memrefs_conflict_p): Assume sizes are aligned, and uses them
11361 to determine if an AND can overlap.
11363 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
11365 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
11366 check. Add comment to document problems with TARGET_SUN_FPA version
11368 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
11370 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11372 * Makefile.in (gencheck.o): Depend on gansidecl.h.
11374 * c-common.c (print_char_table): Add missing initializers.
11375 (scan_char_table): Likewise.
11376 (time_char_table): Likewise.
11378 * c-decl.c (c_decode_option): Mark parameter `argc' with
11380 (declare_parm_level): Mark parameter `definition_flag' with
11383 * c-lex.c (readescape): Use `(unsigned)1' in shift.
11384 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
11387 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
11389 (emit_call_1): Mark parameters `fndecl' and `funtype' with
11391 (expand_call): Cast result of MIN() to (unsigned int) when
11392 comparing against an unsigned value.
11394 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
11396 (make_definition): Remove unused parameter `op'. All callers
11398 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
11399 comparing against the result of pointer arithmetic.
11401 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
11402 when comparing against one.
11404 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
11405 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
11407 (output_die): Move variable `i' into the scope in which it is
11408 used. Change its type to `unsigned'.
11409 (output_die): Cast the result of `strlen' to (int) when passing it
11410 to ASM_OUTPUT_ASCII().
11411 (output_pubnames): Likewise.
11412 (output_line_info): Likewise.
11414 * emit-rtl.c (global_rtl): Add missing initializers.
11416 * explow.c (promote_mode): Mark parameter `for_call' with
11419 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
11420 `unsigned HOST_WIDE_INT' when comparing against one.
11421 (synth_mult): Change type of variable `cost' to int.
11422 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
11424 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
11425 when comparing against one.
11426 (get_inner_reference): Change variable `alignment' to unsigned.
11427 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
11428 int) when comparing against one.
11429 (expand_builtin_setjmp): Change type of variable `i' to size_t.
11431 * fold-const.c (div_and_round_double): Cast BASE to
11432 (HOST_WIDE_INT) when comparing against one.
11434 * gencheck.c: Include gansidecl.h.
11435 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
11437 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
11438 `tcode' with ATTRIBUTE_UNUSED.
11440 * real.c (edivm): Cast constant value to (unsigned long) in
11441 expression compared against an unsigned value.
11443 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
11444 comparing against one.
11445 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
11446 when comparing against one.
11448 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
11449 (unsigned int) when comparing against one. Likewise for
11451 (smallest_mode_for_size): Likewise.
11452 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
11453 (restore_storage_status): Likewise.
11455 * toplev.c (debug_args): Add missing initializer.
11456 (f_options): Spelling correction. Add missing initializers.
11457 (documented_lang_options): Likewise.
11458 (debug_end_source_file): Mark parameter `lineno' with
11461 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
11462 `decl' and `type' with ATTRIBUTE_UNUSED.
11464 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
11465 when comparing against one.
11466 (assemble_variable): Mark parameter `top_level' with
11468 (assemble_external_libcall): Mark parameter `fun' with
11470 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
11473 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
11475 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
11476 Replace use of r5 with use of r19.
11478 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
11480 * config/v850/v850.c (compute_register_save_size): Allow for the
11481 fact that helper functions save all registers, not just those used
11484 Replace constant 31 with macro LINK_POINTER_REGNUM.
11486 * config/v850/v850.md: Use 'indirect_operand' rather than
11487 'memory_operand' for bit test/set/clear patterns.
11489 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
11491 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
11492 * varasm.c (assemble_start_function et al): Don't call
11493 ASM_GLOBALIZE_LABEL for weak symbols.
11495 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
11497 * cse.c (equiv_constant): Check for NULL return from
11498 gen_lowpart_if_possible().
11500 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
11502 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
11504 * collect2.c (main): Pass -EL/-EB through to the compiler.
11506 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11508 * expr.c (push_block): Handle targets where the stack grows
11509 to higher addresses, but args grow to lower addresses and
11510 ACCUMULATE_OUTGOING_ARGS is not defined.
11512 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
11514 * config/v850/v850.c (print_operand): Extend meaning
11515 of 'c' operands to support .vtinherit.
11517 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11519 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
11520 Added ATTRIBUTE_UNUSED to unused function arguments.
11521 (rc_reg_operand): New predicate.
11522 (c4x_rptb_insert): New function.
11523 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
11524 (c4x_optimization_options): New function.
11526 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
11527 (decrement_and_branch_on_count): New pattern.
11528 (rptb_top): Modified pattern to work with BCT optimization.
11530 * config/c4x/c4x.h (RC_REG): New register class.
11531 (rc_reg_operand): Define prototype.
11532 (IS_RC_REG): New macro.
11533 (IS_RC_OR_PSEUDO_REG): New macro.
11534 (IS_RC_OR_PSEUDO_REGNO): New macro.
11535 (OPTIMIZATION_OPTIONS): Define.
11537 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
11539 * collect2.c (extract_init_priority): No priority is 65535.
11541 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
11543 * Makefile.in (build_tooldir): New variable, same as old
11544 $(tooldir), but without depending on $(libdir)/$(unlibsubdir).
11545 (GCC_FOR_TARGET): Add -B$(build_tooldir)/bin/.
11546 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Likewise.
11548 * configure.in (gxx_include_dir): Set default based on unlibsubdir.
11549 * Makefile.in (tooldir): Likewise.
11550 (cccp.o, cpplib.o): Use unlibsubdir implicitly through
11551 gxx_include_dir, includedir and tooldir.
11552 (protoize.o, unprotoize.o): Likewise.
11554 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
11556 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
11558 * config/arm/thumb.c (thumb_override_options): Add warning about
11559 PIC code not being supported just yet.
11561 Sun Oct 11 16:49:15 1998 John Wehle (john@feith.com)
11563 * flow.c: Update comment.
11564 (notice_stack_pointer_modification): New static function.
11565 (record_volatile_insns): Use it.
11566 (mark_regs_live_at_end): Mark the stack pointer as alive
11567 at the end of the function if current_function_sp_is_unchanging
11569 (life_analysis_1): Set current_function_sp_is_unchanging.
11570 * function.c: Define it.
11571 (init_function_start): Initialize it.
11572 * output.h: Declare it.
11573 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
11574 the stack pointer as alive at the end of the function if
11575 current_function_sp_is_unchanging is set.
11576 * i386.c (ix86_epilogue): Optimize the restoring
11577 of the stack pointer.
11579 Mon Oct 12 01:22:53 1998 Jeff Law (law@cygnus.com)
11581 * version.c: Bump for snapshot.
11583 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
11585 * c-pragma.c (handle_pragma_token): If passed a token instead
11586 of a tree, use that as the pack value.
11588 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
11590 * flow.c (find_basic_blocks_1): Fix prototype.
11592 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
11594 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
11595 (struct tree_decl): New fields no_check_memory_usage.
11596 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
11597 (init_attributes): Register it as a new attribute.
11598 (decl_attributes): Set flags on functions given that attribute.
11599 * c-decl.c (duplicate_decls): Merge new attribute.
11600 * expr.h (current_function_check_memory_usage): Declare new var.
11601 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
11602 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
11603 current_function_check_memory_usage.
11604 * function.h: Add field to struct function.
11605 * function.c (current_function_check_memory_usage): Define it.
11606 (push_function_context_to, pop_function_context_from): Save and
11608 (expand_function_start): Set it, based on global flag and function
11611 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
11612 check non-automatic variables, to permit detection of writes to
11613 read-only locations in embedded systems without memory management.
11614 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
11615 when emitting chkr_set_right_libfunc call, even if the argument is
11616 BLKmode or variable-sized; don't abort.
11618 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
11619 symbols in Pmode, not VOIDmode.
11621 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
11623 * cppexp.c: When forcing unsigned comparisons, cast both sides
11626 * cpphash.h: Move static declaration of hashtab[]...
11627 * cpphash.c: ...here.
11629 * cpplib.c: Cast difference of two pointers to size_t before
11630 comparing it to size_t. Cast signed to unsigned
11631 before comparing to size_t. (FIXME: struct argdata should use
11632 unsigned buffer sizes.)
11633 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
11634 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
11635 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
11636 size_t before comparison.
11638 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
11640 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
11641 (find_basic_blocks_1): Similarly.
11642 * output.h (find_basic_blocks): Fix prototype.
11643 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
11644 find_basic_blocks anymore.
11646 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
11648 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
11649 (sbitmap_free, sbitmap_vector_free): New macros.
11650 * output.h (rtl_dump_file): Declare.
11652 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
11654 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
11656 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11658 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
11659 (DFtype): Likewise.
11660 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
11661 (divide): Remove unused variable `tmp'.
11662 (si_to_float): Cast numeric constant to (SItype) before comparing
11665 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
11667 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
11668 * gcc.c (add_preprocessor_option): Correct typo when allocating
11669 memory, sizeof() argument had one too many `*'.
11670 (add_assembler_option): Likewise.
11671 (add_linker_option): Likewise.
11672 * gcov.c (output_data): Likewise.
11673 * local-alloc.c (memref_used_between_p): Likewise.
11674 (update_equiv_regs): Likewise.
11675 * loop.c (strength_reduce): Likewise.
11676 * reg-stack.c (record_asm_reg_life): Likewise.
11677 (subst_asm_stack_reg): Likewise.
11678 * reorg.c (dbr_schedule): Likewise.
11680 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11682 * flow.c (life_analysis_1): Break out some functions.
11683 (find_basic_blocks_1): Likewise. Also move some variables out and
11685 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
11686 new static var nonlocal_label_list with it.
11687 (active_eh_region, nested_eh_region, label_value_list,
11688 nonlocal_label_list): New static variables.
11689 (make_edges, delete_unreachable_blocks, delete_block): New static
11690 functions, broken out of find_basic_blocks_1.
11691 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
11692 noop_move_p): New static functions, broken out of life_analysis_1.
11694 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
11696 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
11697 Take extra care for op0 now possibly being a subreg.
11698 (extract_bit_field): Likewise.
11699 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
11700 the reg to memory if there is no equal sized integral mode.
11701 * stor-layout.c (int_mode_for_mode): New function.
11702 * machmode.h: Prototype it.
11704 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
11706 * global.c (build_insn_chain): Verify no real insns exist past the
11707 end of the last basic block, then exit the loop.
11709 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org>
11711 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
11713 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
11715 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
11717 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org>
11719 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
11721 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
11723 * flow.c (find_basic_blocks): Correctly determine when a call
11724 is within an exception region.
11726 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
11728 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
11730 * cpplib.h: Protect from multiple inclusions.
11731 * cpplib.c: Fix minor formatting problems.
11733 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
11735 * jump.c (jump_optimize): Revert accidental patch.
11737 * Makefile.in (cpplib.o): Use unlibsubdir.
11739 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
11741 * loop.c (get_condition): Allow combine when either compare is
11744 Thu Oct 8 11:31:01 1998 Jeff Law (law@cygnus.com)
11746 * version.c: Bump for snapshot.
11748 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
11750 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
11751 (init_lex): Initialize ridpointers[RID_BYREF].
11752 * c-lex.h (enum rid): Add RID_BYREF.
11753 * c-parse.gperf: Add RID_BYREF as a type qualifier.
11754 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
11755 (encode_type_qualifiers): Similarly.
11756 * c-gperf.h: Rebuilt.
11758 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
11760 * c-common.c (type_for_mode): Only return TItype nodes when
11761 HOST_BITS_PER_WIDE_INT is >= 64 bits.
11762 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
11763 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
11764 (init_decl_processing): Only create TItype nodes when
11765 HOST_BITS_PER_WIDE_INT is >= 64 bits.
11766 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
11767 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
11769 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11771 * stmt.c (n_occurrences): New static function.
11772 (expand_asm_operands): Verify that all constrains match in the
11773 number of alternatives.
11774 Verify that '+' or '=' are at the beginning of an output constraint.
11775 Don't allow '&' for input operands.
11776 Verify that '%' isn't written for the last operand.
11777 * reload.c (find_reloads): Abort if an asm is found with invalid
11778 constraints; all possible problems ought to be checked for earlier.
11780 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11782 * flags.h (flag_branch_on_count_reg): Always declare.
11783 * toplev.c (flag_branch_on_count_reg): Likewise.
11784 * toplev.c: Fix typos.
11786 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
11787 (toc4x): Similarly.
11789 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
11791 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
11793 (find_basic_blocks_1): Add a nop to the end of a basic block when
11794 a trailing call insn does not have abnormal control flow.
11795 * gcse.c (pre_transpout): New variable.
11796 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
11797 (compute_pre_transpout): Calculate it.
11798 (compute_pre_ppinout): Use it to eliminate impossible placements
11799 due to abnormal control flow through calls.
11800 (compute_pre_data): Call compute_pre_transpout.
11802 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11804 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
11806 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
11808 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
11809 and matching define_insns): Tack on a `use' of the table label, so
11810 flow analysis will recognize a tablejump.
11812 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
11814 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
11815 always end basic blocks for abnormal edge reasons.
11817 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
11819 * config/i386/i386.h: Remove definition of
11820 HANDLE_PRAGMA_PACK_PUSH_POP.
11822 * config/i386/go32.h: Add definition of
11823 HANDLE_PRAGMA_PACK_PUSH_POP.
11825 * config/i386/win32.h: Add definition of
11826 HANDLE_PRAGMA_PACK_PUSH_POP.
11828 * config/i386/cygwin32.h: Add definition of
11829 HANDLE_PRAGMA_PACK_PUSH_POP.
11831 * c-pragma.c (insert_pack_attributes): Do not insert
11832 attributes unless #pragma pack(push,<n>) is in effect.
11834 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
11836 * expr.c (emit_group_store): Handle a PARALLEL destination.
11838 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
11840 * gcse.c (pre_insert_insn): When a call ends a bb, insert
11841 the new insns before the argument regs are loaded.
11843 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11845 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
11846 (c-parse.gperf): Update comments describing invocation flags.
11847 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
11849 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
11851 * reload1.c (reload): Call free before clobbering the memory
11852 locations or constants pointers.
11854 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11856 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
11857 for efficiency by checking whether we need to modify the current
11858 stack permission at all.
11859 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
11860 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
11861 __enable_execute_stack libcall here too if
11862 TRANSFER_FROM_TRAMPOLINE is defined.
11863 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
11866 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
11868 * Makefile.in (DRIVER_DEFINES): Remove last change.
11870 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11872 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
11873 insns we're going to copy.
11874 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
11876 * loop.c (count_one_set): Add prototype.
11878 * caller-save.c (restore_referenced_regs): Lose mode argument.
11879 (insert_save): Lose mode argument.
11880 (insert_restore): Lose mode argument.
11881 (insert_one_insn): Lose mode argument.
11882 (save_call_clobbered_regs): Lose mode argument.
11883 (setup_save_areas): Take no argument and return void. All callers
11885 Don't verify validity of memory addresses.
11886 * reload.h (setup_save_ares): Adjust prototype.
11887 (save_call_clobbered_regs): Likewise.
11888 * reload1.c (delete_caller_save_insns): New function.
11889 (caller_save_spill_class): Delete variable.
11890 (caller_save_group_size): Delete variable.
11891 (reload): Call setup_save_areas and save_call_clobbered_regs
11892 in the main loop, before calling calculate_needs_all_insns.
11893 Don't call save_call_clobbered_regs after the loop.
11894 Call delete_caller_save_insns at the end of an iteration if
11896 Delete code to manage caller_save_spill_class.
11897 Emit the final note before setting reload_first_uid.
11898 Simplify test that determines whether reload_as_needed gets run.
11899 (calculate_needs): Delete code to manage caller_save_spill_class.
11901 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
11903 * collect2.c (main): Initialize ld_file_name.
11905 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
11907 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
11908 check for flag_function_sections.
11910 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11912 * cse.c (insert_regs): Fix bug in Sep 24 change.
11914 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
11916 * flags.h (flag_dump_unnumbered): Declare.
11917 * toplev.c (flag_dump_unnumbered): Don't declare.
11918 * print-rtl.c (flags.h): Include.
11919 (print_rtl_single): Add return value.
11920 * rtl.h (print_rtl_single): Update declaration.
11921 * flow.c (flag_dump_unnumbered): Don't declare.
11922 (print_rtl_with_bb): Use return value of print_rtl_single.
11924 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
11926 * loop.c (count_one_set): New static function, broken out of
11927 count_loop_regs_set.
11928 (count_loop_regs_set): Call it.
11929 * global.c (mark_reg_store): Handle clobbers here by not calling
11931 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
11932 is in fact a clobber.
11933 * integrate.c (process_reg_param): New function, broken out of
11934 expand_inline_function.
11935 (expand_inline_function): Call it.
11937 * i386.md (addsidi3_1): Delete unused variable temp.
11938 (addsidi3_2): Likewise.
11939 (clstrstrsi): Delete unused variable addr1.
11941 * rtl.h: Don't declare any functions also declared in recog.h.
11943 * Makefile.in (stupid.o): Update dependencies.
11944 (global.o): Likewise.
11946 * global.c: Include reload.h.
11947 (reg_becomes_live): New function.
11948 (reg_dies): New function.
11949 (build_insn_chain): New function.
11950 (global_alloc): Call build_insn_chain before calling reload.
11952 * reload.h (struct needs): New structure definition.
11953 (struct insn_chain): Likewise.
11954 (reload_insn_chain): Declare variable.
11955 (new_insn_chain): Declare function.
11957 * reload1.c (reload_startobj): New variable.
11958 (reload_insn_chain): New variable.
11959 (unused_insn_chains): New variable.
11960 (new_insn_chain): New function.
11961 (init_reload): Initialize reload_startobj, not reload_firstobj.
11962 (reload): Initialize reload_firstobj.
11963 Before returning, free everything on the reload_obstack.
11965 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
11966 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
11967 current_chain): New variables.
11968 (reg_where_born): Delete variable.
11969 (REG_WHERE_BORN): New macro.
11970 (find_clobbered_regs): New function.
11971 (stupid_life_analysis): Don't allocate/free reg_where_born.
11972 Allocate and free reg_where_born_exact, reg_where_born_clobber,
11973 reg_where_dead_chain.
11974 Use REG_WHERE_BORN instead of reg_where_born.
11975 While processing the insns, build the reload_insn_chain with
11976 information about register lifetimes.
11977 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
11978 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
11980 Compute and information about birth and death of pseudo registers in
11981 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
11982 Delete code to set elements of reg_where_born.
11984 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11986 * tree.def (GOTO_EXPR): Modified documentation.
11987 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
11990 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org>
11992 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
11993 loop_final_value, loop_comparison_code): No longer static.
11994 (unroll_loop): Delete loop_start_value update.
11995 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
11996 loop_final_value, loop_comparison_code): Extern.
11997 (loop_start_value): Delete extern.
11998 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
11999 loop_comparison_value, loop_comparison_code): Delete.
12000 (loop_optimize): Remove initialization for deleted variables.
12001 (strength_reduce): Delete analyze_loop_iterations call. Only call
12002 insert_bct if flag_branch_count_on_reg set.
12003 (analyze_loop_iterations): Delete.
12004 (insert_bct): Remove iteration count calculation. Move checks for
12005 viable BCT optimization to here. Obtain iteration count from
12006 loop_iterations and correct for unrolling. Check for enough
12007 iteration to be beneficial. Comment out runtime iteration count
12009 (insert_bct): Print iteration count in dump file. Remove
12010 loop_var_mode and use word_mode directly.
12012 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
12013 * rs6000.c (rs6000_override_options): Use it.
12014 (optimization_options): Enable use of flag_branch_on_count_reg.
12015 * rs6000.md (define_function_unit): Describe 604e.
12017 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12019 * loop.c (move_movables): Corrected threshold calculation for
12020 moved_once registers.
12022 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
12024 * loop.c (combine_givs_p): Fix test for identical givs.
12026 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
12028 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
12029 call abort if the function is already defined.
12031 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
12033 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
12034 truncation is not a no-op.
12036 Mon Oct 5 09:02:04 1998 Jeff Law (law@cygnus.com)
12038 * version.c: Bump for snapshot.
12040 Mon Oct 5 08:19:55 1998 Jeff Law (law@cygnus.com)
12042 * version.c: Bump for snapshot.
12044 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
12046 * expmed.c (expand_divmod): Don't widen for computing remainder
12047 if we seem to have a divmod pattern for needed mode.
12049 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
12051 * cpplib.c (macroexpand): Correct off-by-one error in handling
12054 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
12056 * combine.c (expand_field_assignment): Don't do bitwise operations
12057 on MODE_FLOAT; pun to MODE_INT if possible.
12059 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
12060 scott snyder <snyder@d0sgif.fnal.gov>
12062 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
12063 linker. Recognize mangled names in quotes.
12065 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12067 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
12068 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
12069 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
12070 (lshrsi3_extend, lshrsi3_extend2): Likewise.
12072 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12074 * function.c (purge_addressof_1): If trying to take a sub-word
12075 integral piece of a floating point mode, put it on the stack.
12077 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
12079 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
12081 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
12083 * PROJECTS: Remove template friends.
12085 * collect2.c (sort_ids): Remove unused variable.
12087 * tm.texi (MATH_LIBRARY): Document.
12088 (NEED_MATH_LIBRARY): Remove.
12090 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
12091 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
12093 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
12095 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
12096 last_end to 0x7fffffff.
12098 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12100 * function.c (purge_addressof_1): Do not perform endianness
12101 corrections on bitpos, who we call will do it for us.
12103 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
12105 * h8300.c (WORD_REG_USED): Fix typo.
12106 (initial_offset): Use WORD_REG_USED.
12108 * h8300.c (handle_pragma): Fix typo.
12110 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
12112 * caller-save.c (insert_save_restore): Break this function up
12113 into new functions insert_restore, insert_save and insert_one_insn.
12114 All callers changed.
12115 (insert_restore): New function, mostly broken out of
12116 insert_save_restore.
12117 (insert_save): Likewise.
12118 (insert_one_insn): Likewise.
12119 (restore_referenced_regs): New argument BLOCK. All callers changed.
12120 (save_call_clobbered_regs): Don't keep track of basic block boundaries
12121 in this function, do it in insert_one_insn instead.
12123 * reload1.c (reload): Break out some more pieces into separate
12125 (dump_needs): New function, broken out of reload.
12126 (set_initial_elim_offsets): Likewise.
12127 (init_elim_table): Likewise.
12128 (update_eliminables): Likewise.
12130 * global.c (global_alloc): Delete code to manage the scratch_list.
12131 * local-alloc.c (qty_scratch_rtx): Delete.
12132 (scratch_block): Delete.
12133 (scratch_list): Delete.
12134 (scratch_list_length): Delete.
12135 (scratch_index): Delete.
12136 (alloc_qty_for_scratch): Delete.
12137 (local-alloc): Update initialization of max_qty.
12138 Delete code to manage the scratch list.
12139 Delete code to allocate/initialize qty_scratch_rtx.
12140 (block_alloc): Don't allocate quantities for scratches.
12141 Delete code to manage the scratch list.
12142 * regs.h (scratch_list): Delete declaration.
12143 (scratch_block): Delete declaration.
12144 (scratch_list_length): Delete declaration.
12145 * reload1.c (reload): Delete code to manage the scratch list.
12146 (spill_hard_reg): Likewise.
12147 (mark_scratch_live): Delete.
12149 * recog.c (alter_subreg): Delete declaration.
12151 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12153 * Makefile.in (cccp.o): Fix typo in last patch.
12155 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12157 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
12158 * config/sh/lib1funcs.asm (___set_fpscr): Add.
12160 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
12162 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
12163 NULL_RTX as an argument.
12165 * Makefile.in (unlibsubdir): Define.
12166 (DRIVER_DEFINES): Use unlibsubdir.
12167 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
12168 (stmp-fixinc): Similarly.
12170 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
12172 * regmove.c (regmove_optimize): Add variable old_max_uid.
12173 At the end of the function, update basic_block_end.
12175 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12177 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
12178 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
12179 arbitrary constant.
12181 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
12183 * config/arm/arm.c: Improve interworking support.
12185 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12187 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
12188 copied from reload_out[r] .
12190 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
12192 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
12193 with more than three size ranges.
12195 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
12197 * rtl.c (mode_name): Add a null string at the end of the array.
12198 (mode_wider_mode): Change type to unsigned char.
12199 (mode_mask_array): New variable.
12200 (init_rtl): Update for mode_wider_mode type change.
12202 * rtl.h (mode_wider_mode): Change type to unsigned char.
12203 (mode_mask_array): Declare.
12204 (GET_MODE_MASK): Use mode_mask_array.
12206 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
12208 * calls.c (expand_call) : Encapsulate code into
12209 copy_blkmode_from_reg.
12210 * expr.c (copy_blkmode_from_reg): New function.
12211 * expr.h (copy_blkmode_from_reg): New function.
12212 * integrate.c (function_cannot_inline_p): We can inline
12214 (expand_inline_function): Use copy_blkmode_from_reg
12215 if needed. Avoid creating BLKmode REGs.
12216 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
12219 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
12221 * config/v850/v850.c: Add function prototypes.
12222 Add support for v850 special data areas.
12224 * config/v850/v850.h: Add support for v850 special data areas.
12226 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
12227 HANDLE_PRAGMA_PACK_PUSH_POP.
12228 (push_alignment): New function: Cache an alignment requested
12229 by a #pragma pack(push,<n>).
12230 (pop_alignment): New function: Pop an alignment from the
12232 (insert_pack_attributes): New function: Generate __packed__
12233 and __aligned__ attributes for new decls whilst a #pragma pack
12235 (add_weak): New function: Cache a #pragma weak directive.
12236 (handle_pragma_token): Document calling conventions. Add
12237 support for #pragma pack(push,<n>) and #pragma pack (pop).
12239 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
12240 are defined enable HANDLE_PRAGMA_PACK.
12241 Move 'struct weak_syms' here (from varasm.c).
12242 Add pragma states for push and pop pragmas.
12244 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
12247 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
12248 HANDLE_GENERIC_PRAGMAS.
12250 * varasm.c: Move definition of 'struct weak_syms' into
12252 (handle_pragma_weak): Deleted.
12254 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
12256 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
12258 * c-decl.c (start_function): Add invocation of
12259 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
12261 * tm.texi: Remove description of non-existent macro
12262 SET_DEFAULT_SECTION_NAME.
12264 (HANDLE_SYSV_PRAGMA): Document.
12265 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
12267 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
12269 * config.sub: Recognize i[34567]86-pc-udk as new target.
12270 * configure.in: Likewise.
12271 * config/i386/t-udk: New file.
12272 * config/i386/udk.h: New file.
12274 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
12276 * reorg.c (check_annul_list_true_false): Remove unused variables.
12277 (steal_delay_list_from_target): Add missing "used_annul" variable.
12278 (try_merge_delay_insns): Close out half formed comment.
12280 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
12282 * cpplib.c (macroexpand): If arg->raw_before or
12283 arg->raw_after, remove any no-reexpansion escape at the
12284 beginning of the pasted token. Correct handling of whitespace
12285 markers and no-reexpand markers at the end if arg->raw_after.
12287 * toplev.c (documented_lang_options): Recognize -include,
12288 -imacros, -iwithprefix, -iwithprefixbefore.
12289 * cpplib.c (cpp_start_read): Process -imacros and -include
12290 switches at the same time and in command-line order, after
12291 initializing the dependency-output code. Emit properly nested
12292 #line directives for them. Emit a #line for the main file
12293 before processing these switches, and don't do it again
12296 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
12298 * function.c (purge_addressof_1): Use bitfield manipulation
12299 routines to handle mem mode < reg mode.
12301 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12303 * reorg.c (try_merge_delay_insns): Account for resources referenced
12304 in each instruction in INSN's delay list before trying to eliminate
12305 useless instructions. Similarly when looking at a trial insn's delay
12308 * reorg.c (check_annul_list_true_false): New function.
12309 (steal_delay_list_from_{target,fallthrough}): Call it and also
12310 refine tests for when we may annul if already filled a slot.
12311 (fill_slots_from_thread): Likewise.
12312 (delete_from_delay_slot): Return newly-created thread.
12313 (try_merge_delay_isns): Use its new return value.
12315 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
12317 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
12318 used to compute a giv or as some other non-counting use.
12320 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12322 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
12323 * local-alloc.c (find_free_reg): Use it.
12324 * global.c (find_reg): Likewise.
12325 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
12327 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
12328 * caller-save.c (init_caller_save): Use it.
12329 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
12331 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
12333 * configure.in: Add --enable-cpplib option which uses cpplib
12334 for cpp, but doesn't link cpplib into cc1. Make help text
12335 capitalization consistent.
12336 * configure: Rebuilt.
12338 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
12340 * function.c (gen_mem_addressof): If the address REG is
12341 REG_USERVAR_P make the new REG be so also.
12342 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
12343 in an attempt to clarify slightly.
12345 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
12347 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
12348 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
12350 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
12352 * toplev.c: Fix last patch.
12354 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
12356 * loop.c (get_condition): Fix typo in May 9 change.
12358 Tue Sep 29 11:11:38 1998 Andrew MacLeod <amacleod@cygnus.com>
12360 * invoke.texi (-fexceptions): Merge 2 different descriptions.
12362 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12364 * toplev.c (documented_lang_options): Spelling corrections.
12366 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
12368 * configure.in: New flags --with-ld and --with-as, equivalent
12369 to setting LD and AS environment variables. Test whether
12370 specified arguments are GNU commands, and report them with
12371 checking messages. Use the specified AS for configure
12373 * configure: Likewise.
12374 * acconfig.h: Add DEFAULT_ASSEMBLER and DEFAULT_LINKER.
12375 * config.in: Likewise.
12376 * gcc.c (find_a_file): When looking for `as' and `ld', return
12377 the DEFAULT program if it exists.
12378 * collect2.c (main): Use DEFAULT_LINKER if it exists.
12380 * gcc.c (find_a_file): The test for existence of a full
12381 pathname was reversed.
12383 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
12385 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
12386 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
12388 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
12390 * tree.h (TYPE_BINFO): Document.
12392 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
12394 * i386-coff.h (dbxcoff.h): Added.
12396 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
12398 * toplev.c: Fix bad patch around flag_data_sections.
12400 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
12402 * reload1.c (reload): Use reload_address_index_reg_class and
12403 reload_address_base_reg_class when setting
12404 caller_save_spill_class. (Patch generated by Jim Wilson:
12405 wilson@cygnus.com).
12407 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
12409 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
12410 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
12411 * expr.c (store_field): Add alias_set parameter. Set the
12412 MEM_ALIAS_SET accordingly, if the target is a MEM.
12413 (expand_assignment): Use it.
12414 (store_constructor_field): Pass 0.
12415 (expand_expr): Likewise.
12417 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
12419 * flags.h: Add flag_data_sections.
12420 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
12421 (compile_file): Error if flag_data_sections not supported.
12422 * varasm.c (assemble_variable): Handle flag_data_sections.
12423 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
12424 * config/mips/elf.h: Likewise.
12425 * config/mips/elf64.h: Likewise.
12426 * invoke.texi: Describe -fdata-sections.
12428 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
12430 * invoke.texi (-ffloat-store): Clarify that this option
12431 does not affect intermediate results -- only variables.
12433 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
12435 * cpp.texi: Update for Fortran usage from Craig.
12437 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org>
12439 * rs6000.c (function_arg_boundary): Revert accidental change on
12442 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
12444 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
12445 (output_mi_thunk): Declare.
12447 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
12448 (output_function_profiler): Use r12 for temp, instead of r11 so
12449 that we preserve the static chain register.
12451 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
12453 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
12455 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12457 * sh.c (gen_shl_sext): Fix case 5.
12459 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12461 * reload1.c (reload_combine): Re-add line that got accidentally lost.
12463 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12465 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
12466 accessing variables until they are initialized via va_arg().
12468 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12470 * reload1.c (reload_combine): Initialize set before using.
12472 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
12474 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
12477 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
12479 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
12480 operand3 with mask before using it. Patch provided by Jim Wilson.
12482 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12484 * config/sparc/sparc.c (function_value): Perform the equivalent of
12485 PROMOTE_MODE for ARCH64.
12486 (eligible_for_epilogue_delay): Allow DImode operations in delay
12487 slot of a return for ARCH64.
12489 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12491 * sh.md (sqrtsf2): Fix mode of sqrt.
12493 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12495 * reload1.c (choose_reload_regs): Also try inheritance when
12496 reload_in is a stack slot of a pseudo, even if we already got a
12499 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12501 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
12502 (reload_cse_regs): New function body: call reload_cse_regs_1,
12503 reload_combine, reload_cse_move2add.
12504 When doing expensive_optimizations, call reload_cse_regs_1 a
12505 second time after reload_cse_move2add.
12506 (reload_combine, reload_combine_note_store): New functions.
12507 (reload_combine_note_use): New function.
12508 (reload_cse_move2add, move2add_note_store): New functions.
12510 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12512 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
12513 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
12515 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
12516 more than 3 such reloads.
12518 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
12519 RELOAD_FOR_X_ADDR_ADDR reload.
12521 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12523 * expr.c (store_constructor): When initializing a field that is smaller
12524 than a word, at the start of a word, try to widen it to a full word.
12526 * cse.c (cse_insn): When we are about to change a register,
12527 remove any invalid references to it.
12529 (remove_invalid_subreg_refs): New function.
12530 (mention_regs): Special treatment for SUBREGs.
12531 (insert_regs): Don't strip SUBREG for call to mention_regs.
12532 Check if reg_tick needs to be bumped up before that call.
12533 (lookup_as_function): Try to match known word_mode constants when
12534 looking for a norrower constant.
12535 (canon_hash): Special treatment for SUBREGs.
12537 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
12539 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
12540 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
12541 defined, emit libcall to __enable_execute_stack. Also fix opcodes
12542 and offsets in actual stack trampoline code so they match the
12543 commentary and actually work.
12545 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
12547 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
12549 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
12550 tmake_file. Set extra_parts to needed crt objects.
12551 * configure: Rebuilt.
12552 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
12553 (TARGET_DEFAULT): Set if default is v9 or ultra.
12554 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
12555 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
12556 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
12557 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
12558 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
12559 (TARGET_VERSION): Define.
12560 (MULTILIB_DEFAULT): Define.
12561 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
12562 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
12563 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
12565 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
12566 * config/sparc/sparc.c (sparc_override_options): If arch and
12567 pointer size disagree, emit diagnostic and fix it up. If
12568 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
12569 V8PLUS in 64-bit mode.
12570 * config/sparc/t-linux64: New file.
12571 * config/sparc/t-sol2-64: New file.
12572 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
12573 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
12574 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
12575 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
12576 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
12577 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
12579 (STARTFILE_SPEC): Set appropriately based upon those.
12580 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
12581 disposition of DEFAULT_ARCH32_P.
12582 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
12583 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
12584 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
12585 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
12586 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
12588 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
12590 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
12592 * rtl.h (init_virtual_regs): New function.
12593 * emit-rtl.c (init_virtual_regs): Define.
12594 (insn_emit): Use it.
12595 * integrate.c (save_for_inline_copying): Likewise.
12597 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
12599 * config/arm/thumb.h: The following patches were made by Jim Wilson:
12600 (enum reg_class): Add NONARG_LO_REGS support.
12601 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
12602 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
12603 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
12604 completes. Re-enable HImode REG+OFFSET addresses.
12605 (LEGITIMIZE_RELOAD_ADDRESS): Define.
12607 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
12609 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
12611 * alpha.c (get_aligned_mem): Revert Sep 20 change.
12612 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
12613 (alpha_align_insns): Properly calculate initial offset wrt max_align.
12615 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
12617 * arm.c (find_barrier): Revert change of Apr 23. Handle table
12618 jumps as a single entity, taking into account the size of the
12621 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
12623 * tree.def (SWITCH_EXPR): New tree node definition.
12625 Mon Sep 21 23:40:38 1998 Jeff Law (law@cygnus.com)
12627 * version.c: Bump for snapshot.
12629 Mon Sep 21 22:31:14 1998 Jeff Law (law@cygnus.com)
12631 * version.c: Bump for snapshot.
12633 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
12635 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
12638 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
12640 * Revert this patch.
12641 * reload.c (find_reloads): Do not replace a pseudo with
12642 (MEM (reg_equiv_addr)) in the initializing insn for the
12645 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
12647 * final.c (final_scan_insn): Disable tracking CC across branches.
12649 Mon Sep 21 17:15:26 1998 Andrew MacLeod <amacleod@cygnus.com>
12651 * expr.h (eh_rtime_match_libfunc): New extern declaration.
12652 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
12653 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
12654 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
12655 NULL. Only include <stdio.h> if inhibit_libc is not defined.
12657 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
12659 * toplev.c (rest_of_compilation): Skip compiling anything with
12660 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
12662 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
12664 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
12665 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
12666 use in_libcall_block.
12667 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
12668 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
12671 Mon Sep 21 14:02:23 1998 Robert Lipe <robertl@dgii.com>
12673 * i386.h (TARGET_SWITCHES): Improve doc for align-double. Fix
12674 typo in no-fancy-math-387 description.
12676 Mon Sep 21 09:27:18 1998 Jeff Law (law@cygnus.com)
12678 * version.c: Bump for snapshot.
12680 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
12682 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
12684 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
12686 * i386.h (TARGET_SWITCHES): Add description fields for flags
12687 documented in install.texi.
12688 (TARGET_OPTIONS): Likewise.
12690 Mon Sep 21 01:39:03 1998 Jeff Law (law@cygnus.com)
12692 * version.c: Bump for snapshot.
12694 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
12696 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
12697 * cccp.c (main): Likewise.
12699 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
12700 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
12703 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
12705 * Makefile.in (LIBS): Link in libiberty.a.
12706 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
12708 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
12710 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
12711 it to update bb boundaries. Update caller.
12712 * function.c (reposition_prologue_and_epilogue_notes): Update
12713 bb boundaries wrt the moved note.
12715 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
12717 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
12719 * configure: Regenerate.
12721 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
12723 * alpha.c (alpha_sr_alias_set): New variable.
12724 (override_options): Set it.
12725 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
12726 (mode_mask_operand): Fix signed-unsigned comparison warning.
12727 (alpha_expand_block_move): Likewise.
12728 (print_operand): Likewise.
12729 (get_aligned_mem): Use change_address.
12730 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
12731 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
12732 (alphaev4_next_nop, alphaev5_next_nop): New functions.
12733 (alpha_align_insns): Remade from old alphaev5_align_insns
12734 to handle multiple processors.
12735 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
12736 * output.h (label_to_alignment): Prototype.
12738 * tree.c (new_alias_set): New function.
12739 * tree.h (new_alias_set): Declare it.
12740 * c-common.c (c_get_alias_set): Use it.
12742 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
12744 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
12745 to an ABS expr, convert an unsigned input to signed.
12747 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
12749 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
12751 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12753 * configure.in: Add support for c4x targets.
12754 * configure: Rebuilt.
12756 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
12758 * combine.c (distribute_notes): If an insn is a cc0 user, only
12759 delete it if we can also delete the cc0 setter.
12761 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
12763 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
12764 (invert_truthvalue): Enable truthvalue inversion for
12765 floating-point operands if -ffast-math.
12767 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
12769 * configure.in: Disable collect2 for nextstep. Instead use
12771 * configure: Rebuilt.
12772 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
12773 (ENDFILE_SPEC): Define.
12774 (OBJECT_FORMAT_MACHO): Define.
12775 (EH_FRAME_SECTION_ASM_OP): Define.
12776 * crtstuff.c: Handle MACHO.
12778 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
12780 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
12782 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
12784 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
12785 (_fpadd_parts): Get sign right for 0.
12787 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12789 * ginclude/varargs.h: Add support for C4x target.
12790 * ginclude/stdargs.h: Likewise.
12792 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
12794 * alpha.c (alpha_return_addr): SET should be VOIDmode.
12795 (alpha_emit_set_long_const): Rewrite to be callable from reload
12797 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
12798 * alpha.md (movdi): Likewise.
12800 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
12802 * arm.c (add_constant): New parameter address_only, change caller.
12803 Set it non-zero if taking the address of an item in the pool.
12804 (arm_reorg): Handle cases where we need the address of an item in
12807 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
12809 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
12810 memory addresses that are not in standard canonical form.
12812 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
12814 * README.C4X: New file with information about the c4x ports.
12815 * ginclude/va-c4x.h: New file for c4x varargs support.
12816 * config/c4x: New directory with c4x port files.
12818 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
12820 * reload.c (find_reloads): Do not replace a pseudo with
12821 (MEM (reg_equiv_addr)) in the initializing insn for the
12824 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org>
12826 * toplev.c (rest_of_compilation): Set bct_p on second call to
12828 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
12830 (strength_reduce): Only call analyze_loop_iterations and
12831 insert_bct if bct_p set.
12832 (check_dbra_loop): Fix typo.
12833 (insert_bct): Use word_mode instead of SImode.
12834 (instrument_loop_bct): Likewise. Do not delete iteration count
12835 condition code generation insn. Initialize iteration count before
12837 * rtl.h (loop_optimize): Update prototype.
12839 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
12840 not doubleword aligned.
12842 * rs6000.c (optimization_options): New function.
12843 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
12844 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
12845 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
12846 first; cr1 can be used for FP record condition insns.
12848 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
12850 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
12853 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
12856 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
12858 (block_move_call): New function: Call a library routine to copy a
12860 (m32r_expand_block_move): New function: Expand a "movstrsi"
12861 pattern into a sequence of insns.
12862 (m32r_output_block_move): New function: Expand a
12863 "movstrsi_internal" pattern into a sequence of assembler opcodes.
12864 (m32r_block_immediate_operand): New function: Return true if the
12865 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
12867 Thu Sep 17 16:42:16 1998 Andrew MacLeod <amacleod@cygnus.com>
12869 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
12870 re-align some code.
12871 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
12873 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12875 * regmove.c (copy_src_to_dest): Check that modes match.
12877 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
12879 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
12881 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
12883 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
12884 narrower than FLOAT_REGS.
12886 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
12888 * cpplib.c: Removed OLD_GPLUSPLUS_INCLUDE_DIR.
12889 * cccp.c: Likewise.
12890 * Makefile.in (old_gxx_include_dir): Removed.
12892 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
12894 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
12897 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
12898 (sh_handle_pragma): Change function arguments to match new
12899 specification for HANDLE_PRAGMA.
12901 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12903 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
12905 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
12906 When generating output, initialize missing struct member to zero.
12908 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
12910 * regmove.c (copy_src_to_dest): Don't copy if that requires
12911 (a) new register(s).
12913 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12915 * global.c (reg_allocno): Now static.
12916 * reload1.c (reg_allocno): Delete declaration.
12917 (order_regs_for_reload): Take no arguments. Don't treat regs
12918 allocated by global differently than those allocated by local-alloc.
12920 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
12922 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
12923 condition, fix format strings.
12924 (output_function_epilogue): Likewise.
12926 * m68k/m68k.c: Don't include <stdlib.h> directly.
12928 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
12930 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
12931 mem_first_set, mem_last_set; because 0 can be a CUID.
12932 (oprs_unchanged_p): Use new definition.
12933 (record_last_reg_set_info): Likewise.
12934 (record_last_mem_set_info): Likewise.
12935 (compute_hash_table): Likewise.
12937 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
12939 * rs6000.c (output_epilogue): Handle Chill.
12941 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
12942 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
12944 * combine.c (make_extraction): If no mode is specified for
12945 an operand of insv, extv, or extzv, default it to word_mode.
12946 (simplify_comparison): Similarly.
12947 * expmed.c (store_bit_field): Similarly.
12948 (extract_bit_field): Similarly.
12949 * function.c (fixup_var_regs_1): Similarly.
12950 * recog.c (validate_replace_rtx_1): Similarly.
12951 * mips.md (extv, extzv, insv expanders): Default modes for most
12952 operands. Handle TARGET_64BIT.
12953 (movdi_uld, movdi_usd): New patterns.
12955 * pa.c (emit_move_sequence): Do not replace a pseudo with its
12956 equivalent memory location unless we have been provided a scratch
12957 register. Similarly do not call find_replacement unless a
12958 scratch register has been provided.
12960 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12962 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
12965 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
12967 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
12968 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
12969 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
12970 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
12971 * c-decl.c (init_decl_processing): Update accordingly.
12972 * expr.c (expand_builtin): Likewise.
12974 * rtl.h (global_rtl): Add cfa entry.
12975 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
12976 (LAST_VIRTUAL_REGISTER): Update.
12977 * emit-rtl.c (global_rtl): Add cfa entry.
12978 (init_emit): Initialize it.
12979 * function.c (cfa_offset): New.
12980 (instantiate_virtual_regs): Initialize it.
12981 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
12982 (expand_function_end): Call expand_eh_return.
12983 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
12985 * except.c (current_function_eh_stub_label): Kill.
12986 (current_function_eh_old_stub_label): Likwise; update all references.
12987 (expand_builtin_set_return_addr_reg): Kill.
12988 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
12989 (expand_builtin_set_eh_regs): Kill.
12990 (eh_regs): Produce a third reg for the actual handler address.
12991 (eh_return_context, eh_return_stack_adjust): New.
12992 (eh_return_handler, eh_return_stub_label): New.
12993 (init_eh_for_function): Initialize them.
12994 (expand_builtin_eh_return, expand_eh_return): New.
12995 * except.h: Update prototypes.
12996 * flow.c (find_basic_blocks_1): Update references to the stub label.
12997 * function.h (struct function): Kill stub label elements.
12999 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
13000 register number is one that would be in the previous window.
13001 Provide a dummy definition for non-windowed targets.
13002 (get_reg_addr): New function.
13003 (get_reg, put_reg, copy_reg): Use it.
13004 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
13005 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
13007 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
13008 (alpha_init_expanders): Initialize it.
13009 (alpha_expand_epilogue): Use it.
13010 * alpha.h: Declare it.
13011 * alpha.md (eh_epilogue): New.
13013 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
13014 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
13016 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
13018 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
13021 Tue Sep 15 14:10:54 1998 Andrew MacLeod <amacleod@cygnus.com>
13023 * except.h (struct eh_entry): Add false_label field.
13024 (end_catch_handler): Add prototype.
13025 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
13026 (start_catch_handler): When using old style exceptions, issue
13027 runtime typematch code before continuing with the handler.
13028 (end_catch_handler): New function, generates label after handler
13029 if needed by older style exceptions.
13030 (expand_start_all_catch): No need to check for new style exceptions.
13031 (output_exception_table_entry): Only output the first handler label
13032 for old style exceptions.
13033 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
13034 mechanism into one function, if a runtime matcher is provided.
13036 Tue Sep 15 13:53:59 1998 Andrew MacLeod <amacleod@cygnus.com>
13038 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
13040 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
13042 * integrate.c (copy_decl_list): Fix typo.
13044 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13046 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
13049 Mon Sep 14 14:02:53 1998 Jeff Law (law@cygnus.com)
13051 * version.c: Bump for snapshot.
13053 Mon Sep 14 10:33:56 1998 Jeff Law (law@cygnus.com)
13055 * version.c: Bump for snapshot.
13057 Mon Sep 14 09:51:05 1998 Jeff Law (law@cygnus.com)
13059 * version.c: Bump for snapshot.
13061 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13063 * invoke.texi (C Dialect Options): Put back missing @end itemize.
13065 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
13067 * configure.in: Remove usage of `!' to negate the result of a
13068 command; some common shells do not support it.
13070 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13072 * configure.in: In sparc9-sol2 config, use 'if test' not
13074 * configure: Rebuilt.
13076 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
13078 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
13079 (CPP_CPU_DEFAULT_SPEC): Likewise.
13080 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
13081 for arch64 libfuncs.
13083 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
13086 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13088 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
13090 * collect2.c: Don't declare `sys_siglist' here.
13091 (my_strsignal): Prototype and define new function. Use it in
13092 place of `sys_siglist' hacks.
13094 * mips_tfile.c: Likewise.
13096 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
13097 (GCC_NEED_DECLARATIONS): Likewise.
13099 * system.h (strsignal): Prototype it, if necessary.
13100 (sys_siglist): Declare it, if necessary.
13102 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13104 * loop.c (move_movables): While removing insn sequences, preserve
13105 the next pointer of the most recently deleted insn when we skip
13108 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
13110 * objc/config-lang.in: Do not output the name of the selected
13111 thread file when building the front-end. The Makefile for the
13112 runtime library will do this.
13114 * objc/Make-lang.in: Do not build the runtime library or install
13115 the Objective C header files. The Makefile for the runtime
13116 library will do this.
13118 * objc/Makefile.in (all.indirect): Only build the front-end.
13119 (compiler): Rename to `frontend'.
13120 (obj-runtime): Remove target.
13121 (copy-headers): Likewise.
13122 (clean): No need to remove `libobjc.a' any longer.
13124 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
13126 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
13127 supported with -mcpu=xxx.
13129 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13131 * flow.c (mark_set_1): Recognize multi-register structure return
13132 values in CALL insns.
13133 (mark_used_regs): Likewise.
13134 (count_reg_sets_1): Likewise.
13135 (count_reg_references): Likewise.
13136 * rtlanal.c (note_stores): Likewise.
13137 (reg_overlap_mentioned_p): Likewise.
13138 * haifa-sched.c (check_live_1): Likewise.
13139 (update_live_1): Likewise.
13140 (sched_analyze_1): Likewise.
13141 (sched_note_set): Likewise.
13142 (birthing_insn_p): Likewise.
13143 (attach_deaths): Likewise.
13145 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
13147 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
13149 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
13151 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13153 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
13155 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13157 * configure.in: Add check for GAS subsection -1 support.
13158 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
13159 * configure config.in: Rebuilt.
13160 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
13161 SImode is subsection -1 works, else use DImode.
13162 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
13163 subsection -1 works.
13164 * config/sparc/sparc.c (sparc_output_addr_vec,
13165 sparc_output_addr_diff_vec): Use them if defined.
13167 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
13169 * tree.h (DECL_ORIGIN): New macro.
13170 * integrate.c (copy_and_set_decl_abstract_origin): New function.
13171 (copy_decl_list): Use it.
13172 (integrate_parm_decls): Likewise.
13173 (integrate_decl_tree): Likewise.
13174 * dwarf2out.c (decl_ultimate_origin): Simplify.
13175 * dwarfout.c (decl_ultimate_origin): Likewise.
13176 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
13177 (pushdecl): Likewise.
13179 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
13181 * config/rs6000/rs6000.c (output_epilog): Add Java support.
13183 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
13185 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
13187 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
13189 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
13190 empty or has a single entry.
13192 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
13193 before calling reg_to_stack.
13195 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
13197 * alpha.c (alphaev5_insn_pipe): Abort on default case.
13198 (alphaev5_next_group): Swallow CLOBBERs and USEs.
13200 * c-tree.h (warn_long_long): Declare it.
13202 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
13204 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13205 initialized float-int union if the value is a NaN.
13207 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
13209 * c-lex.c (real_yylex): Don't warn about long long constants if
13210 we're allowing long long
13212 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13214 * except.h (current_function_eh_stub_label): Declare.
13215 (current_function_eh_old_stub_label): Declare.
13216 * function.h (struct function): New members eh_stub_label and
13218 * except.c (current_function_eh_stub_label): New variable.
13219 (current_function_eh_old_stub_label): New variable.
13220 (init_eh_for_function): Clear them.
13221 (save_eh_status): Save them.
13222 (restore_eh_status): Restore them.
13223 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
13224 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
13225 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
13226 make an edge from the block that contains it to the block starting
13227 with the label if this label is one of the eh stub labels.
13228 If eh stub labels exist, show they are reachable from the last block
13231 * reload1.c (reload): Break out several subroutines and make some
13233 (calculate_needs_all_insns): New function, broken out of reload.
13234 (calculate_needs): Likewise.
13235 (find_reload_regs): Likewise.
13236 (find_group): Likewise.
13237 (find_tworeg_group): Likewise.
13238 (something_needs_reloads): New global variable, formerly in reload.
13239 (something_needs_elimination): Likewise.
13240 (caller_save_spill_class): Likewise.
13241 (caller_save_group_size): Likewise.
13242 (max_needs): Likewise.
13243 (group_size): Likewise.
13244 (max_groups): Likewise.
13245 (max_nongroups): Likewise.
13246 (group_mode): Likewise.
13247 (max_needs_insn): Likewise.
13248 (max_groups_insn): Likewise.
13249 (max_nongroups_insn): Likewise.
13250 (failure): Likewise.
13252 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
13254 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
13256 * loop.c (load_mems): Copy rtx for output mem.
13258 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
13260 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
13261 mips1 or mips2 either.
13263 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
13265 * pa.c (pa_reorg): New marking scheme for jumps inside switch
13267 (pa_adjust_insn_length): Update to work with new marking scheme
13268 for jumps inside switch tables.
13269 * pa.md (switch_jump): Remove pattern.
13270 (jump): Handle jumps inside jump tables.
13272 * Makefile.in (profile.o): Depend on insn-config.h
13274 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
13276 * iris6.h (DWARF2_UNWIND_INFO): Undef.
13278 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13280 Add preliminary native sparcv9 Solaris support.
13281 * configure.in: Recognize sparv9-*-solaris2*
13282 * configure: Rebuilt.
13283 * config.sub: Recognize sparcv9 just like sparc64.
13284 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
13285 config/sparc/sol2-cn.asm: Macroize so it can be shared between
13286 32-bit and 64-bit Solaris systems.
13287 * config/sparc/t-sol2: Assemble those with cpp.
13288 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
13289 (*TF*_LIBCALL): If ARCH64 use V9 names.
13290 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
13292 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13294 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
13295 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
13297 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
13299 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
13300 to Pmode if CASE_VECTOR_MODE is something else.
13302 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
13304 * prefix.c (update_path): Correctly handle cases where PATH is
13305 a substring of the builtin prefix, but specifies a different
13306 directory location.
13308 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
13310 * expr.c: Corrected comment about what MOVE_RATIO does.
13311 * config/alpha/alpha.h: Likewise.
13312 * config/1750a/1750a.h: Likewise.
13313 * config/clipper/clipper.h: Likewise.
13314 * config/i386/i386.h: Likewise.
13316 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
13318 * configure.in (m68k-next-nextstep3*): Use collect2.
13319 Similarly for x86 NeXT configurations.
13320 * configure: Rebuilt.
13322 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
13324 * configure.in: Don't assume srcdir is .../gcc.
13325 * configure: Rebuilt.
13327 Sat Sep 5 16:34:34 1998 John Wehle (john@feith.com)
13329 * global.c: Update comments.
13330 (global_alloc): Assign allocation-numbers
13331 even for registers allocated by local_alloc in case
13332 they are later spilled and retry_global_alloc is called.
13333 (mark_reg_store, mark_reg_clobber,
13334 mark_reg_conflicts, mark_reg_death): Always record a
13335 conflict with a pseudo register even if it has been
13336 assigned to a hard register.
13337 (dump_conflicts): Don't list pseudo registers already assigned to
13338 a hard register as needing to be allocated, but do list their
13340 * local-alloc.c: Update comment.
13342 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
13344 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
13345 * configure: Rebuilt.
13347 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
13349 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
13351 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
13352 for all targets that set -msoft-float.
13354 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13356 * toplev.c (print_switch_values): Make static to match prototype.
13358 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
13360 * configure.in: If we are unable to find the "gnatbind" program,
13361 then do not configure the ada subdir.
13362 * configure: Rebuilt.
13364 Sun Sep 6 14:03:58 1998 Jeff Law (law@cygnus.com)
13366 * version.c: Bump for snapshot.
13368 Sun Sep 6 13:28:07 1998 Jeff Law (law@cygnus.com)
13370 * version.c: Bump for snapshot.
13372 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13374 * Makefile.in (toplev.o): Depend on $(EXPR_H).
13375 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
13377 * gansidecl.h: Define ATTRIBUTE_NORETURN.
13379 * genattrtab.c: Have insn-attrtab.c include toplev.h.
13381 * genextract.c: Have insn-extract.c include toplev.h.
13383 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
13385 * toplev.c: Include expr.h.
13386 (really_sorry, fancy_abort): Remove prototypes.
13387 (set_target_switch): Add argument in prototype.
13388 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
13389 (v_really_sorry): Likewise.
13390 (print_version, print_single_switch, print_switch_values): Make
13391 static and add prototype arguments.
13392 (decl_printable_name): Add prototype arguments.
13393 (lang_expand_expr_t): New typedef.
13394 (lang_expand_expr): Declare as a lang_expand_expr_t.
13395 (incomplete_decl_finalize_hook): Add prototype argument.
13396 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
13397 (botch): Likewise for variable `s'.
13398 (rest_of_type_compilation): Mark variables `type' and `toplev'
13399 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
13400 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
13401 (display_help): Make variable `i' an `unsigned long'.
13402 (main): Remove unused parameter `envp'.
13403 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
13404 Cast -1 when comparing it with a `size_t'.
13406 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
13407 prototype with ATTRIBUTE_NORETURN.
13408 (fatal_insn_not_found, fatal_insn, really_sorry,
13409 push_float_handler, pop_float_handler): Add prototypes.
13410 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
13411 (do_abort, botch): Add prototypes.
13413 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
13415 * final.c (final): If a label is reached only from a single jump,
13416 call NOTICE_UPDATE_CC on the jump and its predecessor before
13417 emitting the insn after the label.
13419 * i386.h: Add AMD K6 support.
13420 Change TARGET_* macros to use table lookup.
13421 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
13422 (ADJUST_COST): Change definition to call function in i386.c.
13423 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
13424 * i386.c: Add AMD K6 support.
13425 Add constants for feature tests used by TARGET_* macros.
13426 (split_di): If before reload, call gen_lowpart and gen_highpart.
13427 (x86_adjust_cost): New function.
13428 (put_jump_code): New function.
13429 (print_operand): New codes 'D' and 'd'.
13430 * i386.md: New insn types. New insn attribute "memory".
13431 Redefine scheduling parameters to use new types and add AMD K6
13432 support. Explicitly set type of most insns.
13433 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
13434 Pro and K6 prefer movl $1,reg to incl reg.
13435 (adddi3, subdi3): Set cc_status.
13436 (DImode shift patterns): Change label counters from HOST_WIDE_INT
13437 to int; x86 can't have more than 2^31 DImode shifts per file.
13438 (setcc): Combine all setcc patterns. Allow writing memory.
13439 Combine all jump patterns using match_operator.
13440 (*bzero): Name pattern. Emit multiple stos instructions when that
13441 is faster than rep stos.
13442 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
13445 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
13447 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
13450 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
13452 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
13453 not whatever we're generating now.
13455 * alpha.c (set_frame_related_p, FRP): New.
13456 (alpha_expand_prologue): Mark frame related insns.
13457 (alpha_expand_epilogue): Likewise, but with a null FRP.
13458 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
13459 * alpha.md (exception_receiver): New.
13460 * alpha/crtbegin.asm (.eh_frame): New beginning.
13461 (__do_frame_setup, __do_frame_takedown): New.
13462 * alpha/crtend.asm (.eh_frame): New ending.
13463 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
13464 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
13465 (ASM_FILE_START): Don't emit .file for dwarf2.
13467 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
13468 * rtl.c (reg_note_name): Likewise.
13469 * rtl.texi (REG_NOTES): Likewise.
13470 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
13473 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
13475 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
13476 * i386.md (movsf, movdf, movxf): Validate memory address returned
13477 from force_const_mem. Kill useless REG_EQUAL setting code.
13479 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
13481 * m68k.md (zero_extendsidi2): Fix typo.
13483 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
13485 * configure.in: Removed references to the removed file.
13486 * config/xm-netbsd.h: Use ${cpu_type}/xm-netbsd.h for
13487 arm*-*-netbsd* and ns32k-*-netbsd*.
13488 * config/i386/xm-netbsd.h: Removed unnecessary file.
13489 * config/m68k/xm-netbsd.h: Likewise.
13490 * config/sparc/xm-netbsd.h: Likewise.
13491 * config/mips/xm-netbsd.h: Likewise.
13493 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
13495 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
13496 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
13498 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
13499 for exact section attributions.
13501 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
13503 * i386/crtdll.h (CPP_PREDEFINES): Define.
13505 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
13507 * m68k.md (5200 movqi): Do not allow byte sized memory references
13508 using address regs.
13509 * m68k.c (output_move_qimode): Do not use byte sized operations on
13512 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
13513 explicit rules for building. Similarly for alloca, vfprintf,
13514 choose-temp and mkstemp, getopt, getopt1, and obstack.
13515 (INCLUDES): Add $(srcdir)/../include.
13516 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
13517 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
13519 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
13521 * gcc.c (do_spec_1): [case 'o'] Account for
13522 lang_specific_extra_outfiles.
13523 (main): Correctly clear all slots in outfiles for
13524 lang_specific_extra_outfiles. Set input_file_number before
13525 calling lang_specific_pre_link.
13527 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
13529 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
13531 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13533 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
13535 (sparc_output_deferred_case_vectors): If no work to do, return.
13536 Fix thinko in Sept 1 change.
13538 1998-09-03 SL Baur <steve@altair.xemacs.org>
13540 * Makefile.in: Add semicolon in BISON definition for portability.
13542 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
13544 * config/nextstep.c (handle_pragma): Correct name of third
13547 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
13549 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
13550 * config/m32r/m32r.h: Make register 17 be fixed.
13551 * config/m32r/m32r.c: Use SImode for cc operations.
13553 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
13555 * invoke.texi (Warning Options): Add -Wnon-template-friend
13558 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
13560 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
13562 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org>
13564 * rs6000.md (movsf): Disable explicit secondary-reload-like
13565 functionality if TARGET_POWERPC64.
13566 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
13569 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
13571 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
13572 and term.h from fixinc.wrap.
13574 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13576 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
13577 safe to include both string.h and strings.h together.
13578 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
13579 which headers to search for function declarations. Continue to
13580 prefer string.h over strings.h when both are not acceptable.
13582 * acconfig.h (STRING_WITH_STRINGS): Add stub.
13584 * configure.in: Call GCC_HEADER_STRING.
13586 * system.h: Test STRING_WITH_STRINGS when deciding which headers
13587 to include. Continue to prefer string.h over strings.h when both
13588 are not acceptable.
13590 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13592 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
13593 not assume top 32-bits of symbolic addresses are zero if
13596 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
13598 * ginclude/va-alpha.h: Protect entire second portion of the
13599 file against double inclusion.
13601 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
13603 Added support for the Boehm's garbage collector.
13604 * configure.in: Handle --enable-objc-gc.
13605 * configure: Rebuilt.
13606 * Makefile.in (CHECK_TARGETS): Add check-objc.
13607 (check-objc): New rule.
13608 * objc/Make-lang.in: Build a different Objective-C library that
13609 runs with the Boehm's collector.
13610 * objc/encoding.c (objc_round_acc_size_for_types): New function.
13611 * objc/encoding.c: Correctly compute the size of compound types in
13612 the presence of bitfields. Skip the variable name of the type if
13613 any. Added support for long long.
13614 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
13615 (_F_GCINVISIBLE): New mask.
13616 * objc/gc.c: New file. Compute the type memory mask associated with
13617 a class based on the runtime information.
13618 * objc/misc.c: Added the hooks that use the Boehm's collector
13619 allocation functions.
13620 * objc/objc-act.c (build_class_template): Generate a new class
13621 member (gc_object_type) to hold the class' type memory mask.
13622 (build_shared_structure_initializer): Initialize the new member to
13624 (encode_complete_bitfield): New function. Generate the new
13626 (encode_field_decl): Generate the new encoding only for the GNU
13628 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
13630 (class_get_gc_object_type): New function to mark a pointer instance
13631 variable as a weak pointer.
13632 * objc/objc-features.texi: New file.
13633 * objc/objc.h (gc_object_type): New class member.
13634 * objc/objects.c (class_create_instance): Create a typed memory
13635 object when compiled with Boehm's collector support.
13636 * objc/sendmsg.c (__objc_init_install_dtable): Call
13637 __objc_send_initialize instead of setting the initialize flag.
13638 (__objc_send_initialize): Call __objc_generate_gc_type_description
13639 to generate the class type memory mask. Rewrite the code that
13640 sends the +initialize so that it is called only once (bug report
13641 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
13642 * testsuite/objc: New testsuite for Objective-C type encoding.
13643 * testsuite/lib/objc-torture.exp: New file.
13644 * testsuite/lib/objc.exp: New file.
13646 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
13648 * jump.c (jump_optimize): In if/then/else transformations, add
13649 another call to modified_between_p for the jump insn.
13651 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
13653 * fix-header.c (symlink): Treat like readlink.
13655 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13657 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
13660 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
13662 * config/nextstep.h: Update HANDLE_PRAGMA macro.
13663 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
13664 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
13666 * config/nextstep.c (handle_pragma): Take three arguments, as per
13667 the new HANDLE_PRAGMA macro specification.
13668 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
13669 per the new HANDLE_PRAGMA macro specification.
13670 * config/i960/i960.c (process_pragma): Take three arguments, as
13671 per the new HANDLE_PRAGMA macro specification.
13673 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
13675 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
13676 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
13677 if unknown pragmas are encountered.
13678 (handle_sysv_pragma): Interpret return code from
13679 handle_pragma_token (). Return success/failure indication rather
13680 than next unprocessed character.
13681 (pragma_getc): New function: retrieves characters from the
13682 input stream. Defined when HANDLE_PRAGMA is enabled.
13683 (pragma_ungetc): New function: replaces characters back into the
13684 input stream. Defined when HANDLE_PRAGMA is enabled.
13686 * c-pragma.c (handle_pragma_token): Return success/failure status
13689 * c-pragma.h: Change prototype of handle_pragma_token().
13691 * varasm.c (handle_pragma_weak): Only create this function if
13692 HANDLE_PRAGMA_WEAK is defined.
13694 * c-common,c (decl_attributes): If defined call the expression
13695 contained within the INSERT_ATTRIBUTES macro before adding
13696 attributes to a decl.
13698 * tm.texi (HANDLE_PRAGMA): Document the new version of
13699 HANDLE_PRAGMA, which takes three arguments.
13700 (INSERT_ATTRIBUTES): Document this new macro.
13702 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
13703 new INSERT_ATTRIBUTES macro.
13705 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13707 * config/sparc/sparc.md (movdf): Only generate special RTL for
13708 LABEL_REFs when PIC.
13709 (move_label_di): Remove.
13710 (movdi_pic_label_ref, movdi_high_pic_label_ref,
13711 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
13712 references when PIC.
13713 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
13714 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
13715 output an .xword for all 64-bit cases.
13717 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13719 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
13720 alignment, use FUNCTION_BOUNDARY instead.
13721 (sparc_output_deferred_case_vectors): Likewise.
13723 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13725 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
13726 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
13728 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
13730 * alpha/va_list.h: New file.
13731 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
13733 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
13735 * NEWS: Add SCO Openserver and Unixware 7 notes.
13739 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
13741 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
13742 (record_constant_1): Handle RANGE_EXPR.
13744 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
13746 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
13747 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
13748 and NOTE_INSN_RANGE_END specially.
13749 (reemit_notes): Likewise.
13751 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13753 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
13754 (ultrasparc_sched_init): Remove unneeded &.
13756 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13758 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
13759 for m68020-60, to prevent the use of fintrz.
13761 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
13763 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
13765 * Makefile.in: Likewise.
13766 * configure: Regenerated.
13768 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
13770 * configure.in (gxx_include_dir): Changed to
13771 '${prefix}/include/g++'-${libstdcxx_interface}.
13772 * configure: Rebuilt.
13774 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
13776 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
13778 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
13779 *sequences* *below* which scalar moves will be used.
13781 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
13783 * collect2.c (mktemp): Delete unused declaration.
13785 * config/xm-netbsd.h: Remove unnecessary file.
13786 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
13787 file anymore, it is not needed.
13789 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
13791 * convert.c (convert_to_integer): Issue an error on conversions to
13794 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
13796 * Makefile.in: Add lang_tree_files and gencheck.h.
13797 * configure.in: Generate them.
13798 * gencheck.c: Include gencheck.h.
13800 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13802 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
13803 movdi_lo_sum_pic and movdi_high_pic and make visible.
13804 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
13805 emit these when Pmode is not SImode.
13806 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
13808 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
13810 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
13811 .linkonce directive after the first time.
13813 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
13815 * m68k.md (beq0_di): Generate correct (and more efficient) code when
13816 the clobbered operand overlaps with an input.
13817 (bne0_di): Similarly.
13819 * Makefile.in (INSTALL): Remove "--no-header" argument.
13821 * NEWS: Various updates.
13823 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
13825 * config/sparc/sparc.c (arith_operand, const64_operand,
13826 const64_high_operand, arith_double_4096_operand): Mark mode as
13828 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
13830 (sparc_emit_set_const64): Remove unused variable i.
13831 (sparc_splitdi_legitimate): Likewise for addr_part.
13832 (ultra_code_from_mask): Likewise for mask.
13833 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
13834 reverse return values so it matches usage and comments.
13835 (ultra_flush_pipeline): Likewise.
13836 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
13837 this_type, and allow loads and stores of differing FP modes as
13838 they do not create a conflict.
13839 (ultra_find_type): Initialize fpmode to SFmode, fix
13840 parenthesization thinkos in large conditional.
13841 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
13842 Init free_slot_mask after ultra_cur_hist is reset, not before.
13843 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
13844 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
13845 use ultra_flush_pipeline instead, then re-init group pointer.
13846 Fix statement with no effect. If no progress made in, and no
13847 instructions scheduled at all, advance to new pipeline cycle else
13848 we get into an endless loop.
13849 (ultrasparc_adjust_cost): Remove previous arg.
13850 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
13852 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
13854 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
13855 code. Use reg_overlap_mentioned_p to detect when source and
13856 destination overlap.
13857 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
13859 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
13861 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
13862 COMPARISON_VAL, into invariant_p.
13864 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13866 * regmove.c (regclass_compatible_p): New function.
13867 (regmove_optimize): Use it.
13869 Use NREGS parameter instead of calling max_reg_num.
13871 (fixup_match_1): Don't use code = MINUS when later tieing with
13872 a hard register is likely.
13874 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13876 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
13877 COMPARISON_VAL was normalized.
13879 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
13881 * loop.c (check_dbra_loop): The loop ending comparison value
13882 must be an invariant or we can not reverse the loop.
13884 * loop.c (scan_loop): Count down from max_reg_num - 1 to
13885 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
13887 (load_mems_and_recount_loop_regs_set): Likewise.
13889 * i386.c (print_operand): Remove obsolete 'c' docs.
13891 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
13893 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
13894 * frame.c (init_object_mutex): New function.
13895 (init_object_mutex_once): Likewise.
13896 (find_fde): Call it.
13897 (__register_frame_info): Likewise.
13898 (__register_frame_info_table): Likewise.
13899 (__deregister_frame_info): Likewise.
13901 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
13903 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
13905 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13907 * loop.c (check_dbra_loop): Enable code for reversal
13908 of some loops without a known constant loop end.
13910 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
13912 * haifa-sched.c (last_clock_var): New.
13913 (schedule_block): Initialize it.
13914 (schedule_insn): Use it to fill insn modes with issue information.
13916 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
13917 Tag trapb and next insn with TImode.
13918 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
13919 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
13920 Invoke alphaev5_align_insns as appropriate.
13921 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
13922 (MD_SCHED_VARIABLE_ISSUE): New.
13923 * alpha.md (attr type): Add multi.
13924 (define_asm_attributes): New.
13925 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
13926 (arg_home): Likewise.
13927 (fnop, unop, realign): New.
13929 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
13931 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
13932 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
13934 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
13935 (rs6000-ibm-aix4.[12]*): Likewise.
13936 * configure: Regenerate.
13938 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
13940 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
13941 already contains the return address.
13943 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
13945 * calls.c (expand_call): Use bitfield instructions to extract/deposit
13946 word sized hunks when loading unaligned args into registers.
13948 * haifa-sched.c (sched_analyze_insn): Only create scheduling
13949 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
13951 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
13953 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
13955 * loop.c (check_dbra_loop): Add some code that would allow reversal
13956 of some loops without a known constant loop end if it were enabled.
13958 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
13960 * mips.md (lshrsi3_internal2+2): Fix type-o.
13962 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13964 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
13965 correctly with regards to stdio.h.
13967 * calls.c: Remove stdarg.h/varargs.h.
13968 * cccp.c: Likewise.
13969 * cexp.y: Likewise.
13970 * combine.c: Likewise.
13971 * cpperror.c: Likewise.
13972 * cpplib.c: Likewise.
13973 * cpplib.h: Likewise.
13974 * doprint.c: Likewise.
13975 * emit-rtl.c: Likewise.
13976 * final.c: Likewise.
13977 * fix-header.c: Likewise.
13979 * genattr.c: Likewise.
13980 * genattrtab.c: Likewise.
13981 * gencodes.c: Likewise.
13982 * genconfig.c: Likewise.
13983 * genemit.c: Likewise.
13984 * genextract.c: Likewise.
13985 * genflags.c: Likewise.
13986 * genopinit.c: Likewise.
13987 * genoutput.c: Likewise.
13988 * genpeep.c: Likewise.
13989 * genrecog.c: Likewise.
13990 * mips-tfile.c: Likewise.
13991 * prefix.c: Likewise.
13992 * protoize.c: Likewise.
13993 * regmove.c: Likewise.
13994 * toplev.c: Likewise.
13995 * tree.c: Likewise.
13997 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
13999 * config/sparc/sparc.c (sparc_override_options): If not
14000 TARGET_FPU, turn off TARGET_VIS.
14001 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
14002 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
14003 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
14004 (movdi_insn_sp64): Add VIS fzero alternative.
14005 (clear_sf, clear_df): New VIS patterns.
14006 (movsf, movdf expanders): Allow fp_zero_operand flat out when
14008 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
14010 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
14012 * loop.c (n_times_set, n_times_used, may_not_optimize,
14013 reg_single_usage): Convert to varrays. All uses changed.
14014 (insert_loop_mem): Return a value.
14015 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
14016 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
14019 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
14022 * configure.in: Do not set thread_file to "irix" since no such
14023 support exists yet.
14025 * sparc.md (float abs/neg splits): Check reload_completed before
14026 calling alter_subreg.
14028 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14030 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
14032 * config/sparc/sparc.h: Declare it.
14033 * config/sparc/sparc.md (float abs/neg splits): Use it.
14034 (all other splits): Handle SUBREGs properly where necessary.
14035 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
14037 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
14039 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
14040 an insn on the unfilled_slots_list that has no delay slots.
14041 (fill_eager_delay_slots): Similarly.
14043 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
14045 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
14046 as an ordinary operand.
14048 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
14050 * tree.c (valid_machine_attribute): Don't apply attributes to both
14053 Tue Aug 25 12:23:20 1998 Richard Henderson <rth@cygnus.com>
14055 * reload.c (operands_match_p): Handle rtvecs.
14057 * i386.c (legitimate_pic_address_disp_p): New.
14058 (legitimate_address_p): Use it.
14059 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
14060 Handle constant pool symbols just like statics.
14061 (emit_pic_move): Use Pmode not SImode for clarity.
14062 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
14063 [UNSPEC]: New, handling what we killed above.
14064 [PLUS]: Detect and abort on invalid symbol arithmetic.
14065 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
14067 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
14069 * alias.c: Include output.h.
14070 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
14071 different if we're in a varargs function.
14072 * Makefile.in (alias.o): Depend on output.h
14074 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
14076 * sh.h (GIV_SORT_CRITERION): Delete.
14078 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
14080 * regclass.c (regclass): Use xmalloc/free instead of alloca.
14081 * stupid.c (stupid_life_analysis): Likewise.
14082 * reload1.c (reload): Likewise.
14084 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
14086 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
14087 arith_double_4096_operand, arith_double_add_operand): New
14089 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
14090 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
14091 them to transform add/sub 4096 into add/sub -4096.
14093 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14095 * loop.c (scan_loop): Allocate some slop to handle pseudos
14096 generated by move_movables.
14097 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
14100 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
14102 * tree.def (DECL_RESULT): Correct documentation.
14104 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
14106 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
14107 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
14108 conflicts will all RELOAD_FOR_OUTPUT reloads.
14110 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
14111 loads the function result, substitute with a USE.
14113 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org>
14115 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
14116 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
14117 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
14118 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
14119 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
14120 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
14122 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
14123 'o' to 'm' for GPR variant constraints.
14125 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
14127 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
14129 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
14131 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
14132 when the source and destination overlap.
14134 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
14135 clash with global type.
14137 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
14139 * fixinc.irix: Add curses.h handling from fixinc.wrap.
14141 * c-common.c (combine_strings): Also set TREE_READONLY.
14142 Change warn_write_strings to flag_const_strings.
14143 * c-decl.c, c-tree.h: Likewise.
14145 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14147 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
14148 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
14149 sequence, use SET/IOR instead so CSE can see it.
14150 * config/sparc/sparc.md (movhi_const64_special,
14151 movsi_const64_special): New patterns necessitated by that change.
14152 (movhi_high): Remove.
14153 (movhi_lo_sum): Change to match an IOR.
14154 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
14155 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
14156 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
14157 (movdf splits): Allow when not V9 or when not ARCH64 and integer
14158 registers are involved.
14159 (snesi_zero_extend split): Remove reload_completed test.
14160 (unnamed plus and minus zero_extend sidi splits): Add it.
14162 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
14164 * extend.texi: Remove description of extension to explicit
14165 instantiation that is now endorsed by standard C++.
14167 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14169 * config/arc/arc.c (arc_initialize_pic): Remove.
14170 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
14171 nothing on any platform and is invoked by no-one, it does not even
14172 appear in the documentation.
14173 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
14174 * config/sparc/sparc.c (initialize_pic): Likewise.
14175 (find_addr_reg): Remove this as well, no longer referenced after
14178 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
14180 * recog.c (validate_replace_rtx_group): New function.
14181 * recog.h (validate_replace_rtx_group): Declare it.
14182 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
14183 the entire group of substitutions.
14185 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
14187 * loop.c (load_mems): Fix initializers.
14189 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14191 * config/sparc/sparc.md (TFmode splits): Handle destination
14192 registers being referenced in the address correctly.
14194 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
14195 TREE_UNSIGNED, when bitsize of type's mode is larger than
14196 HOST_BITS_PER_WIDE_INT.
14198 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
14200 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
14201 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
14202 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
14204 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
14207 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
14209 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
14210 * h8300.h (TINY_DATA_NAME_P): Likewise.
14211 (STRIP_NAME_ENCODING): Handle '&'.
14213 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
14214 register (it could be accessed via an outer SUBREG).
14215 (REG_OK_FOR_BASE_P): Likewise.
14216 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
14218 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
14221 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
14223 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14225 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
14226 must be offsettable so the splits can be made.
14228 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
14230 * config/i386/winnt.c: Include system.h, not stdio.h to get
14231 sys/param.h pulled in before rtl.h in case the system defines MIN
14234 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org>
14236 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
14238 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
14240 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
14242 * cpplib.c (cpp_define): Handle macros with parameters.
14244 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org>
14246 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
14247 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
14248 and DImode 64-bit. Use llong for minimal-toc SFmode and
14249 SYMBOL_REF / LABEL_REF 64-bit.
14250 (output_function_profiler): Use llong for profiler label and ld to
14251 load 64-bit label address.
14253 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
14255 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
14258 Wed Aug 19 14:13:31 1998 Jeff Law (law@cygnus.com)
14260 * version.c: Bump for snapshot.
14262 Wed Aug 19 13:10:30 1998 Jeff Law (law@cygnus.com)
14264 * version.c: Bump for snapshot.
14266 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
14268 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
14270 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
14272 * tm.texi (Misc): Fix typo "teh".
14274 * tm.texi (PIC): Fix typo "PPIC".
14276 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
14277 effect when -O2 and higher.
14278 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
14280 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
14282 * regclass.c: Changed register set documentation to be consistent
14285 * final.c (final_start_function): Removed redundant test for
14288 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
14290 * rtl.h (rtx_function): New type.
14291 (for_each_rtx): New function.
14292 * rtlanal.c (for_each_rtx): Define it.
14294 * recog.c (change_t): New type.
14295 (change_objects, change_old_codes, change_locs, change_olds):
14297 (changes): New variable.
14298 (validate_change): Dynamically allocate room for more changes, if
14299 necessary. Uses changes array instead of change_objects, etc.
14300 (apply_change_group): Use changes array instead of
14301 change_objects, etc.
14303 * loop.c (loop_mem_info): New type.
14304 (loop_mems): New variable.
14305 (loop_mems_idx): Likewise.
14306 (looop_mems_allocated): Likewise.
14307 (scan_loop): Remove nregs parameter.
14308 (next_insn_in_loop): New function.
14309 (load_mems_and_recount_loop_regs_set): Likewise.
14310 (load_mems): Likewise.
14311 (insert_loop_mem): Likewise.
14312 (replace_loop_mem): Likewise.
14313 (replace_label): Likewise.
14314 (INSN_IN_RANGE_P): New macro.
14315 (loop_optimize): Don't pass max_reg_num() to scan_loop.
14316 (scan_loop): Remove nregs parameter, compute it after any new
14317 registers are created by load_mems. Use INSN_IN_RANGE_P and
14318 next_insn_in_loop rather than expanding them inline. Call
14319 load_mems to load memory into pseudos, if appropriate.
14320 (prescan_loop): Figure out whether or not there are jumps from the
14321 loop to targets other than the label immediately following the
14322 loop. Call insert_loop_mem to notice all the MEMs used in the
14323 loop, if it could be safe to pull MEMs into REGs for the duration
14325 (strength_reduce): Use next_insn_in_loop. Tweak comments.
14327 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
14329 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
14331 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14333 * config/sparc/sparc.c (finalize_pic): Check for the correct
14334 nonlocal_goto_receiver UNSPEC number.
14335 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
14336 making note of this dependency existing in sparc.c.
14337 (negtf2_notv9 split): Give NEG SFmode.
14338 (negsf2): Fix insn output string.
14340 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
14342 * c-common.c (decl_attributes): Issue an error if the argument
14343 to alias is not a string.
14345 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
14347 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
14348 pending memory flush list.
14350 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
14352 (try_combine): Allow combining insns with REG_LIBCALL notes.
14354 * expr.c (emit_block_move): Do not call memcpy as a libcall
14355 instead build up a CALL_EXPR and call it like any other
14357 (clear_storage): Similarly for memset.
14359 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
14362 * Makefile.in (cplus-dem.o): Provide explicit rules for building
14365 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
14366 and REG_LIVE_LENGTH as successful substitutions are made.
14368 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14370 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
14371 statement after end of loop label.
14373 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14375 * config/sparc/sparc.c (ultra_types_avail): New variable.
14376 (ultra_build_types_avail): New function to record mask of insn
14377 types in ready list at this cycle.
14378 (ultrasparc_sched_reorder): Call it.
14379 (ultra_find_type): Use it to quicken the search. Also simplif
14380 dependency check, don't use rtx_equal_p because we know exactly
14381 what we are looking for.
14383 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
14385 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
14386 for architecture v4.
14388 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14390 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
14392 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
14393 movdf_const_intreg and helper splits): New patterns to move float
14394 constants into integer registers.
14395 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
14398 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
14401 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
14403 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
14405 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
14406 a BASE_REGS register is needed as an intermediate when copying
14407 a symbolic value into any register class other than BASE_REGS.
14409 * expr.c (move_by_pieces): No longer static. Remove prototype.
14410 * rtl.h (move_by_pieces): Add extern prototype.
14411 * mips.c (expand_block_move): Handle aligned straight line copy by
14412 calling move_by_pieces.
14414 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
14417 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
14419 * stmt.c (expand_end_loop): Tidy. Allow unconditional
14420 jumps out of the loop to be treated as part of the exit test.
14422 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14423 Jeff Law <law@cygnus.com>
14425 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
14426 * cplus-dem.c: Delete.
14428 * Makefile.in (fold-const.o): Depend on $(RTL_H).
14430 * fold-const.c: Include rtl.h to get the prototype for
14431 `set_identifier_local_value'.
14433 * loop.c (express_from_1): Remove unused variable `tmp'.
14434 (combine_givs): Cast the first argument of bzero to char *.
14436 * toplev.c (display_help): Remove unused variable `looking_for_start'.
14438 * c-decl.c (init_decl_processing): Remove unneeded &.
14440 * alpha.h (alpha_initialize_trampoline): Provide prototype.
14442 * except.c (set_exception_lang_code, set_exception_version_code):
14443 Change parameter from `short' to `int' to avoid using a gcc
14446 * except.h (set_exception_lang_code, set_exception_version_code):
14447 Likewise for prototypes.
14449 * flow.c (count_reg_references): Remove unused variables `regno'
14452 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
14454 * prefix.c (translate_name): Cast the result of `alloca'.
14456 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
14458 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
14460 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
14461 Include "toplev.h".
14462 (valid_dbcc_comparison_p): Mark mode argument as unused.
14463 (symbolic_operand): Likewise.
14464 (legitimize_pic_address): Likewise.
14465 (const_uint32_operand): Likewise.
14466 (const_sint32_operand): Likewise.
14467 * sched.c [!INSN_SCHEDULING]: Define only dummy function
14468 schedule_insns and comment out rest of file.
14470 * m68k.c (output_move_simode_const): Use subl to move a zero into an
14472 (output_move_[hq]imode): Likewise.
14474 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
14476 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
14477 * invoke.texi: Corresponding changes.
14479 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
14481 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
14483 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14485 * config/sparc/sparc.c (ultra_code_from_mask,
14486 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
14487 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
14488 ultrasparc_sched_init, ultrasparc_variable_issue,
14489 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
14490 functions to describe UltraSPARC pipeline exactly to Haifa.
14491 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
14492 as there is nothing the scheduler can do about it. Indicate that
14493 REG_DEP_OUTPUT's collide. Fixup formatting.
14494 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
14495 divide costs on Ultra for DImode.
14496 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
14498 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
14499 ieuN and add call_no_delay_slot to type list.
14500 (cti function unit): New unit for branches on UltraSPARC.
14501 (subx/addx insns): Set type to misc.
14502 (sidi zero/sign extension insns on arch64): Set type to shift.
14503 (sign_extendhidi2_insn): Set type to sload.
14505 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org>
14507 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
14508 (output_epilog): Use if != 0 for offset.
14509 (rs6000_fatal_bad_address): Prepare for Intl.
14510 * rs6000.h (rs6000_fatal_bad_address): Declare.
14511 * rs6000.md (movsfcc, movdfcc): Use else if.
14512 (elf_high): Use {liu|lis}.
14513 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
14514 (movsi): Use rs6000_fatal_bad_address.
14516 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
14518 * reload.c (find_equiv_reg): Reject equivalences separated
14519 by a volatile instruction.
14521 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14523 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
14525 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
14527 * alpha.md (movsicc): Fix mode mismatch.
14529 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
14531 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
14533 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
14535 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14537 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
14538 write-only modifier from operand 1 constraint.
14540 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14542 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
14543 emitting a XOR of -1 at the end, emit a NOT instead for combine's
14545 (sparc_emit_set_const64): Likewise, also when computing trailing
14546 bits do not negate low_bits and make fast_int an int.
14548 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
14550 * loop.c (add_label_notes): Do not ignore references to labels
14551 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
14552 * gcse.c (add_label_notes): Similarly.
14554 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
14556 * m68k.md (adddi_dilshr32): One of the operands must be a register.
14557 (adddi_dishl32): Similarly.
14559 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
14561 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
14562 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
14563 * cse.c (cse_basic_block): Add parens to shut up warnings.
14565 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14567 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
14568 sparc_emit_set_const64_longway, const64_is_2insns,
14569 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
14570 in 64-bit constant formation.
14571 * config/sparc/sparc.md (snesi_zero_extend split): Generate
14572 rtl for addx not subx.
14573 (define_insn movdi_const64_special): Make available even when
14574 HOST_BITS_PER_WIDE_INT is not 64.
14575 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
14576 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
14577 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
14578 instances of operand 1 inside a QI subreg.
14579 (xordi3_sp64_dbl): Remove '%' constraint for op1.
14580 (one_cmpldi2_sp64): Fix output string.
14581 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
14583 (unnamed arch64 ashift DI): Truncate shift count if greater than
14586 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
14588 * expr.c (store_expr): Don't optimize away load-store pair
14589 when either source or destination have a side effect.
14591 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
14593 * genrecog.c (add_to_sequence): Fatal error if the modes of the
14594 operands of SET are incompatible.
14596 * alpha.md: Fix max and min patterns so modes of SET operands match.
14598 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
14600 * configure.in: Avoid [[ by using test and changequote.
14601 * configure: Rebuild.
14603 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14605 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
14607 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
14608 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
14609 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
14610 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
14611 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
14612 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
14613 Fix mismatching modes in SET operands.
14614 (conditional move patterns): Fix formatting.
14615 (unnamed subx arch64 pattern): Remove duplicate insn.
14617 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14619 * config/sparc/sparc.c (const64_operand, const64_high_operand):
14620 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
14621 (input_operand): Fixup test for what we accept for constant
14623 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
14625 (safe_constDI): Remove.
14626 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
14627 gen_safe_XOR64): New functions.
14628 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
14629 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
14631 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
14632 available when HOST_BITS_PER_WIDE_INT is not 64.
14633 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
14634 move before movdi_insn_sp64 pattern.
14635 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
14636 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
14637 symbolic_operand as predicate for second operand.
14638 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
14639 expander): Give set VOIDmode.
14641 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
14643 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
14645 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
14647 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
14649 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
14651 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
14653 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
14655 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
14657 * install.texi: Various SCO OpenServer tweaks.
14659 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
14661 * reload1.c (eliminate_regs_in_insn): Handle another case when
14662 eliminating the frame pointer to the hard frame pointer. Add
14663 missing ep->to_rtx check to one existing case.
14665 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
14667 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
14669 * tree.h: De-conditionalize init_priority code.
14671 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
14672 * collect2.c (NM_FLAGS): Change from -p to -n.
14674 * configure.in: Turn on collect2 for mipstx39-elf.
14675 Handle use_collect2=no properly.
14677 * c-common.c: De-conditionalize init_priority code.
14678 * collect2.c (extract_init_priority, sort_ids): New fns.
14679 (main): Call sort_ids.
14680 Move sequence_number to file scope.
14682 * configure.in: Handle --enable-init-priority.
14683 * c-common.c (attrs): Add A_INIT_PRIORITY.
14684 (init_attributes, decl_attributes): Likewise.
14685 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
14686 * tree.c (get_file_function_name_long): Split out...
14687 (get_file_function_name): ...from here.
14689 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
14691 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
14694 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
14696 * toplev.c (display_help): Add braces to shut up warnings.
14697 * tree.c (simple_cst_equal): Likewise.
14699 * fold-const.c (non_lvalue): Don't deal with null pointer
14701 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
14703 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
14704 of any size to a pointer.
14706 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
14708 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
14710 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
14712 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
14713 which will be saved.
14714 * mn10300.md (prologue insn): Only save registers which need saving.
14715 (epilogue insn): Similarly.
14717 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
14720 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
14722 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
14723 VAR_DECL's in gp addressable sections.
14725 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
14727 * sparc.c: Change return <exp> to <exp>; return; in functions
14729 * sparc.md: Add empty semicolon statement after final label in
14732 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14734 * config/sparc/sparc.md (define_insn addx_extend): Rename to
14735 addx_extend_sp64, only allow when TARGET_ARCH64.
14736 (define_insn addx_extend_sp32 and split): Version that works when
14738 (define_insn subx_extend): Likewise.
14739 (define_split adddi3 and subdi3 with zero extension): Fixup and
14740 correct bugs when not TARGET_ARCH64.
14742 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
14744 * except.c (set_exception_lang_code, set_exception_version_code):
14745 Use prototype-style definition if __STDC__, to match declaration
14748 * genemit.c: Change FAIL and DONE macros not to use loops.
14750 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
14752 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
14753 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
14755 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
14757 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
14759 * README.g77: Update from Craig.
14761 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14763 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
14764 type HOST_WIDE_INT.
14765 (safe_constDI sparc_emit_set_const64_quick1,
14766 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
14767 analyze_64bit_constant, const64_is_2insns,
14768 create_simple_focus_bits): Fix some bugs when compiled on real
14770 (function_arg_record_value_3, function_arg_record_value_2,
14771 function_arg_record_value): Add fully prototyped forward decls.
14772 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
14773 to cmpsi_insn and use on both 64 and 32 bit targets.
14774 (define_insn cmpsi_insn_sp64): Remove.
14775 (define_expand zero_extendsidi2): Allow for 32-bit target too.
14776 (define_insn zero_extendsidi2_insn): Rename to
14777 zero_extendsidi2_insn_sp64.
14778 (define_insn zero_extendsidi2_insn_sp32): New pattern and
14779 associated forced split for it.
14781 * config/sparc/sparc.c (const64_operand, const64_high_operand):
14783 * config/sparc/sparc.h: Declare them.
14784 (PREDICATE_CODES): Add them.
14785 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
14786 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
14788 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
14790 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
14791 in v9 case as the latter makes the Solaris assembler crash.
14793 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14795 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
14796 for TFmode when !v9. We require offsettable memory addresses.
14797 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
14798 DFmode register number conversions.
14799 * config/sparc/sparc.md (define_split DFmode moves): If register
14800 is a SUBREG do alter_subreg on it before using.
14801 (define_expand movtf): Fixup comment about alignment on v9.
14802 (define_split TFmode moves): Don't use gen_{high,low}part, create
14803 explicit SUBREGs instead.
14805 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
14807 * Makefile.in (mbchar.o): Depend on mbchar.c.
14809 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
14810 Richard Henderson <rth@cygnus.com>
14812 Rewrite Sparc backend for better code generation and
14813 improved sparc64 support.
14814 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
14816 * config/sparc/sysv4.h: Likewise.
14817 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
14818 move_operand, v8plus_regcmp_op, emit_move_sequence,
14819 singlemove_string, doublemove_string, mem_aligned_8,
14820 output_move_double, output_move_quad, output_fp_move_double,
14821 move_quad_direction, output_fp_move_quad, output_scc_insn):
14823 (small_int_or_double): New predicate.
14824 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
14825 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
14826 old pic_{sethi,lo_sum}_si patterns.
14827 (mem_min_alignment): New generic function to replace
14828 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
14829 available and can test for arbitrary alignments. All callers
14831 (save_regs, restore_regs, build_big_number,
14832 output_function_prologue, output_cbranch, output_return,
14833 sparc_flat_save_restore, sparc_flat_output_function_prologue,
14834 sparc_flat_output_function_epilogue): Prettify
14836 (output_function_epilogue): Likewise and add code to output
14837 deferred case vectors.
14838 (output_v9branch): Likewise, add new arg INSN and use it to tack
14839 on branch prediction settings. All callers changed.
14840 (print_operand): Likewise and output %l44 for LO_SUMs when
14842 (sparc_splitdi_legitimate): New function to make sure DImode
14843 splits can be run properly when !arch64.
14844 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
14845 Reformat example code in comments.
14846 (set_extends): Remove UNSPEC/v8plus_clear_high case.
14847 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
14848 of deferred case vectors we need to output.
14849 (sparc_defer_case_vector): Record a case vector.
14850 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
14851 sparc_output_deferred_case_vectors): New functions to output them.
14852 (sparc_emit_set_const32): New function to form 32-bit constants in
14853 registers when that requires more than one instruction.
14854 (safe_constDI, sparc_emit_set_const64_quick1,
14855 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
14856 analyze_64bit_constant, const64_is_2insns,
14857 create_simple_focus_bits, sparc_emit_set_const64): New functions
14858 which do the same for 64-bit constants when arch64.
14859 (sparc_emit_set_symbolic_const64): New function to emit address
14860 loading for all code models on v9.
14861 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
14862 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
14863 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
14864 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
14865 inaccuracies in comments, add symbolic and text_segment operands
14866 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
14867 GENERAL_REGS in these cases as a temp REG is needed to load these
14868 addresses into a register properly.
14869 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
14871 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
14872 quads are guaranteed to have 16-byte alignment.
14873 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
14874 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
14875 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
14876 deferred case vector implementation.
14877 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
14878 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
14879 Generate "internal label - label" instead of "label - 1b".
14880 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
14881 (PREDICATE_CODES): Remove sparc_operand, move_operand,
14882 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
14884 (doublemove_string, output_block_move, output_fp_move_double,
14885 output_fp_move_quad, output_move_double, output_move_quad,
14886 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
14887 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
14888 (sparc_emit_set_const32, sparc_emit_set_const64,
14889 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
14890 mem_min_alignment, small_int_or_double): Add externs.
14891 * config/sparc/sparc.md: Document the many uses of UNSPEC and
14892 UNSPEC_VOLATILE in this backend.
14893 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
14894 unary to types which execute in it.
14895 (define_function_unit ieu_shift): Rename to ieu0.
14896 (define_function_unit ieu1): New, executes compare, call, and
14897 uncond_branch type insns.
14898 (define_function_units for type fdivs, fdivd, fsqrt): These
14899 execute in the fpu multiply unit not the adder on UltraSparc.
14900 (define_expand cmpdi): Disallow TARGET_V8PLUS.
14901 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
14902 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
14903 allows the arith_double_operand predicate and rHI constraint when
14905 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
14906 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
14907 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
14908 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
14909 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
14910 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
14911 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
14912 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
14913 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
14914 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
14915 sign_extendqihi2_insn, sign_extendqisi2_insn,
14916 sign_extendqidi2_insn, sign_extendhidi2_insn,
14917 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
14918 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
14919 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
14920 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
14921 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
14922 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
14923 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
14924 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
14925 smulsi3_highpart_v8plus, unnamed subreg mult,
14926 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
14927 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
14928 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
14929 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
14930 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
14931 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
14932 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
14933 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
14934 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
14935 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
14936 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
14937 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
14938 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
14939 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
14940 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
14941 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
14942 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
14943 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
14944 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
14945 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
14946 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
14947 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
14948 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
14949 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
14950 call_address_untyped_struct_value_sp32,
14951 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
14952 call_value_symbolic_sp32, call_value_address_sp64,
14953 call_value_symbolic_sp64, branch_sp32, branch_sp64,
14954 flush_register_windows, goto_handler_and_restore,
14955 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
14956 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
14957 return_addsi, return_di, return_adddi, return_sf, all call+jump
14958 peepholes, trap, unnamed trap insns): Prettify output strings.
14959 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
14960 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
14961 Likewise and force + implement splits for integer cases.
14962 (define_insn return_sf_no_fpu): Likewise and allow to match when
14963 no-fpu because of our subreg SFmode splits.
14964 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
14965 zero_extendqidi2_insn, zero_extendhidi2_insn,
14966 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
14967 input_operand for second operand.
14968 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
14969 reg_or_0_operand for operand 2 so new splits can use it.
14970 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
14971 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
14973 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
14974 CONST_DOUBLEs for operand 2.
14975 (define_insn move_label_di): Likewise and label distance
14976 optimization because it no longer works with new deferred case
14977 vector scheme. To be revisited.
14978 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
14979 and allow reg_or_0_operand and J constraint for second operand.
14980 (define_insn jump): Set branch predict taken on V9.
14981 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
14982 new deferred case vector scheme.
14983 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
14984 (define_insn negdi2_sp32): Force + implement splits.
14985 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
14986 one_cmplsi2_not_liveg0 respectively, and create expander of original
14987 names which emit special rtl for TARGET_LIVE_G0.
14988 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
14989 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
14990 gen_compare_reg, FAIL instead.
14991 (define_insn sgtu, sleu): Likewise and check gen_s*() return
14992 values when trying to reverse condition codes, if they FAIL then
14994 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
14995 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
14996 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
14997 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
14998 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
14999 set output string to # to indicate they are mandatory splits.
15000 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
15001 pic_sethi_di, move_pic_label_si): Remove.
15002 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
15003 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
15005 (define_expand movsi_pic_label_ref, define_insn
15006 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
15007 expander and insns to handle PIC label references and deferred
15009 (define_insn get_pc_via_rdpc): Comment out as it is no longer
15011 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
15012 Rewrite to not use emit_move_sequence, make use of new constant
15013 formation code, and new splits for all multi-insn cases.
15014 (define_insn movqi_insn): Remove sethi case, it can never happen.
15015 Use reg_or_zero_operand instead of const0_rtx explicit test,
15016 use input_operand instead of move_operand for source, and use
15017 general_operand now for dest.
15018 (define_insn movhi_insn): Similar but leave sethi case.
15019 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
15020 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
15021 movhi_lo_sum respectively, prettify output string.
15022 (define_insn movsi_zero_liveg0): New pattern to put zero into a
15023 register when needed on TARGET_LIVE_G0.
15024 (define_insn movsi_insn): Use general_operand and input_operand
15025 for dest and src respectively. Simplify applicability test.
15026 Prettify output strings, and add clr alternative for J
15028 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
15029 deprecated std and reg-reg DI moves): Remove and...
15030 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
15031 implementation which uses forced splits for all non-single insn
15033 (define_split DI move cases on !arch64): New splits to handle all
15034 situations of 64-bit double register DImode on 32bit, and
15035 unaligned registers and memory addresses for all subtargets.
15036 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
15038 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
15039 input_operand for dest and src respectively, prettify output
15041 (define_insn movdf_insn, movdf_no_e_insn, store_df,
15042 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
15044 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
15045 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
15046 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
15047 movtf_no_e_insn_sp64): Replace with new
15048 implementation which uses forced splits for all non-single insn
15050 (define_split DF move cases): New splits in similar vein to DI
15052 (define_insn sethi_di_medlow, sethi_di_medium_pic,
15053 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
15054 movdi_sp64_insn): Remove old v9 code model and constant loading
15055 support insns and..
15056 (define_insn pic_lo_sum_di, pic_sethi_di,
15057 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
15058 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
15059 embmedany_sethi, embmedany_losum, embmedany_brsum,
15060 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
15061 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
15062 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
15063 scheme, using unspecs, secondary reloads, and one to one sparc
15064 insn to rtl insn mapping for better scheduling and code gen.
15065 (define_expand reload_indi, reload_outdi): Reload helpers for
15066 MEDANY and EMBMEDANY symbol address loading cases which require a
15067 temporary register.
15068 (define_expand movsicc): Remove v8plus_regcmp cases.
15069 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
15070 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
15071 cmp_diqi_trunc_set): New patterns used by some of the new scc
15073 (define_insn xordi3_sp64_dbl): New pattern used for constant
15074 formation when crossing from 32-bit targets.
15075 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
15077 (define_insn addx, subx): Make visible and prettify.
15078 (define_insn adddi3_insn_sp32): Likewise and force split.
15079 (define_insn addx_extend, subx_extend, unnamed): New patterns for
15080 64bit scc split usage.
15081 (define_insn unnamed plusDI zero_extend, unnamed minusDI
15082 zero_extend, subdi3): Force and implement splits.
15084 * final.c (final_scan_insn): Don't output labels if target
15085 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
15088 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
15089 don't forget to walk inside SEQUENCESs too as these are what the
15090 delay slot scheduler will create.
15092 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
15094 * alpha.md (extxl+1,+2): New patterns to work around
15097 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
15099 * rs6000.c (rs6000_allocate_stack_space): Fix typo which
15100 caused bad assembly code to be generated.
15102 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
15104 * netbsd.h: Fix typo.
15106 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
15108 * config.sub: Fix typo.
15110 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
15112 * invoke.texi (Environment Variables): Typo: Change "ascpects"
15114 (Running Protoize): Typo: Change "ther" into "other".
15116 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
15118 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
15119 * m68k/netbsd.h: Likewise.
15120 * ns32k/netbsd.h: Likewise.
15121 * sparc/netbsd.h: Likewise.
15123 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
15125 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
15126 * ginclude/va-clipper.h (va_list): Likewise.
15128 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
15130 * rs6000.c (rs6000_override_options): If big endian and -Os, use
15131 load/store multiple instructions unless user overrides.
15133 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
15135 * ns32k/netbsd.h: Fix typo.
15137 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
15139 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
15140 labels with .debugsym if no parallel insns.
15142 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
15144 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
15145 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
15147 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org>
15149 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
15150 (AR_FOR_TARGET): Define.
15152 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
15154 * dyn-string.h: New file.
15155 * dyn-string.c: Likewise.
15156 * Makefile.in (OBJS): Add dyn-string.o.
15157 (dwarf2out.o): Add dyn-string.h dependency.
15158 (dyn-string.o): List dependencies.
15159 * dwarf2out.c: Include dyn-string.h.
15160 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
15161 (addr_const_to_string): Take a dyn_string_t, not a char* as a
15162 prototype. Use dyn_string_append rather than strcat, throughout.
15163 (addr_to_string): Use dyn_string_t.
15165 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
15167 Function entry/exit profiling instrumentation:
15168 * expr.h (profile_function_entry_libfunc,
15169 profile_function_exit_libfunc): Declare new variables.
15170 * optabs.c: Define them here.
15171 (init_optabs): Initialize them.
15172 * tree.h (struct tree_decl): New flag
15173 no_instrument_function_entry_exit.
15174 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
15175 * c-decl.c (duplicate_decls): Merge it.
15176 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
15177 (init_attributes): Use it for "no_instrument_function".
15178 (decl_attributes): Handle it, for functions that have not yet been
15179 compiled. Set decl flag.
15180 * flags.h (flag_instrument_function_entry_exit): Declare new
15182 * toplev.c (flag_instrument_function_entry_exit): Define it here.
15183 (f_options): New option "instrument-functions".
15184 * function.h (struct function): New field instrument_entry_exit.
15185 * function.c (current_function_instrument_entry_exit): New
15187 (push_function_context_to, pop_function_context_from): Save and
15189 (expand_function_start): Set current_ variable, maybe emit return
15190 label and entry profile call.
15191 (expand_function_end): Maybe emit exit profile call.
15193 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
15195 * i386.md (movqi): When optimizing a load of (const_int 1) into a
15196 NON_QI_REG_P, pretend the register is SImode.
15198 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
15200 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
15201 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
15202 manufacturer id for ns32k.
15203 * configure: Regenerated.
15204 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
15205 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
15206 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
15207 * config/m68k/netbsd.h: Same.
15208 * config/ns32k/netbsd.h: Same.
15209 * config/sparc/netbsd.h: Same.
15211 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
15213 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
15214 or UNROLL_COMPLETELY loop that starts with a jump to its
15217 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org>
15219 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
15220 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
15221 (print_operand, case 'B'): Don't fall through.
15222 (print_operand, case 'S'): Correct mask begin/end computation.
15223 Use HOST_BITS_PER_WIDE_INT.
15224 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
15225 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
15226 * rs6000/aix41.h (CPP_PREDEFINES): Same.
15227 * rs6000/aix43.h (CPP_PREDEFINES): Same.
15229 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
15231 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
15232 constraint from second alternative.
15234 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
15236 * configure.in: Fix --without/--disable cases for local-prefix,
15237 gxx-include-dir and checking.
15239 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
15241 * configure.in (enable_haifa): Set by default for sparc64 too.
15242 configure: Rebuilt.
15244 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
15246 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
15247 * i386/winnt.c (associated_type): New fn.
15248 (i386_pe_valid_type_attribute_p): New fn.
15249 (i386_pe_check_vtable_importexport): Remove.
15250 (i386_pe_dllexport_p): Use associated_type.
15251 (i386_pe_dllimport_p): Likewise.
15253 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
15254 * i386.c (i386_valid_type_attribute_p): Also accept
15255 attributes for METHOD_TYPEs.
15257 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
15259 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
15261 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
15263 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
15265 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
15266 them from generating a new base name for each occurrence of
15269 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
15271 * cse.c (cse_insn): Enable substitution inside libcall only for REG,
15273 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
15275 * cplus-dem.c (type_kind_t): New type.
15276 (demangle_template_value_parm): Add type_kind_t parameter. Rely
15277 on this parameter, rather than demangling the type again.
15278 (demangle_integral_value): Pass tk_integral.
15279 (demangle_template_: Pass the value returned from do_type.
15280 (do_type): Return a type_kind_t. Pass tk_integral to
15281 demangle_template_value_parm for array bounds.
15282 (demangle_fund_type): Likewise.
15284 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
15286 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
15289 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
15291 * pa.c (move_operand): Accept CONSTANT_P_RTX.
15293 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
15295 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
15297 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
15300 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
15302 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
15303 (DEBUGGER_ARG_OFFSET): Likewise.
15305 * mn10300.md (movsf): Remove last change. Not needed.
15307 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
15309 * c-lex.c (yylex): Fix boundary conditions in character literal and
15310 string literal loops.
15312 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
15314 * longlong.h (count_leading_zeros): Sparclite scan instruction was
15315 being invoked incorrectly.
15317 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
15318 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
15320 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
15321 * configure.in: Added i[34567]86-*-win32.
15322 * config.sub: Likewise.
15323 * configure: Rebuilt.
15325 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
15327 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
15328 the frame pointer and compiling PIC code and reload has not completed.
15330 * i386.c (output_to_reg): Add code to emulate non-popping DImode
15333 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
15335 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
15337 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15339 * Makefile.in (install-info): Only try to update the info
15340 directory file if it exists in the first place.
15342 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
15344 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
15346 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
15348 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
15349 CONST_DOUBLE source.
15351 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
15353 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
15354 strings as the insertion of USER_LABEL_PREFIX.
15355 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
15357 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
15360 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
15362 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
15363 already defined type.
15365 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
15367 * expr.c (check_max_integer_computation_mode): Allow conversions
15368 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
15369 (expand_expr): Likewise.
15371 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
15373 * expr.c (expand_expr): Expand RETURN_EXPR.
15375 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
15377 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
15379 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
15381 * dwarf2out.c (output_aranges): Call stripattributes
15382 for TEXT_SECTION references.
15383 (output_line_info): Likewise.
15385 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
15387 * profile.c (branch_prob): Call allocate_reg_info after outputting
15388 profile rtl in instrument_arcs.
15390 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
15392 * fixinc.irix (math.h): Install wrapper instead of copying.
15394 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
15396 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
15397 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
15398 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
15399 lang_flag_0. Added documentation in the flag table.
15401 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
15403 * cccp.c (do_include): Fix vax c style include handling.
15405 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
15407 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
15409 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
15411 * fold-const.c (non_lvalue): Don't deal with null pointer
15413 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
15415 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org>
15417 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
15418 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
15419 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
15420 (u_short_cint_operand): Same.
15421 (reg_or_cint_operand): Same.
15422 (logical_operand): Same.
15423 (input_operand): Same.
15424 (reg_or_short_operand): Use u_short_cint_operand.
15426 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
15428 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
15429 but keep the insns and splits. Adjust so when the ultimate destination
15430 is memory, use cvtql.
15432 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
15434 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
15436 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
15438 * gcc.c (do_spec): Call "error" not "warning".
15440 * configure.in: Fix minor problems with gas feature detection code.
15441 * configure: Rebuilt.
15443 * gcc.c (do_spec): Issue a warning for '%[]' usage.
15445 * Undo this change.
15446 * gcc.c: Delete %[spec] support.
15447 (do_spec_1, case '('): Likewise.
15448 (do_spec_1, case '['): Call error.
15450 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
15452 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
15453 (CPP_SUBTARGET_SPEC): Default to empty string.
15454 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
15455 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
15456 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
15457 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
15459 * alpha/linux.h (CPP_PREDEFINES): Tidy.
15460 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
15461 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
15462 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
15463 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
15464 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
15465 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
15466 * alpha/vxworks.h: Likewise.
15468 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
15470 * mips.md (reload_outsi): Added missing REGNO call.
15471 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
15473 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
15474 another match_operator and compare the codes.
15476 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
15478 * MIPS multiply pattern fixes:
15479 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
15480 Add union classes for HI, LO, or HILO plus general registers.
15481 (GENERATE_MADD): Deleted.
15482 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
15483 Add TARGET_MAD to condition.
15484 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
15485 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
15486 "*d" for accumulator, to give preference to LO initially but not
15489 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
15491 * configure.in (enable_c_mbchar): New configure option.
15492 (extra_cpp_objs): Always available now.
15494 * cexp.y (mbchar.h): #include it.
15495 (yylex): Handle Multibyte characters in character literals.
15497 * cccp.c (mbchar.h): #include it.
15498 (main): Set character set based on LANG environment variable.
15499 (rescan): Handle multibyte characters in comments.
15500 (skip_if_group): See above.
15501 (validate_else): See above.
15502 (skip_to_end_of_comment): See above.
15503 (macarg1): See above.
15504 (discard_comments): See above.
15505 (rescan): Handle multibyte characters in string and character literals.
15506 (collect_expansion): See above.
15507 (skip_quoted_string): See above.
15508 (macroexpand): See above.
15509 (macarg1): See above.
15510 (discard_comments): See above.
15511 (change_newlines): See above.
15513 * c-lex.c (mbchar.h): #include it.
15514 (GET_ENVIRONMENT): New macro.
15515 (init_lex): Set character set based on LANG environment variable.
15516 (yylex): Handle multibyte characters in character literals.
15517 (yylex): Handle multibyte characters in string literals.
15519 * Makefile.in (mbchar.o): New target.
15520 (cccp$(exeext)): @extra_cpp_objs@ is always available.
15521 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
15523 * mbchar.[ch]: New files for multibyte character handling.
15525 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
15527 * jump.c (jump_optimize): When simplifying noop moves and
15528 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
15529 the PUSHes to rewrite in second loop as we did in the first.
15531 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15533 * cplus-dem.c (demangle_nested_args): Make function definition
15534 static to match the prototype.
15536 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
15538 * alloca.c: Respect USE_C_ALLOCA.
15539 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
15540 * gengenrtl.c (xmalloc): Likewise.
15542 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
15544 * loop.h (struct induction): Add no_const_addval.
15545 * loop.c (the_movables, reg_address_cost): New variables.
15546 (init_loop): Init reg_address_cost.
15547 (loop_optimize): Call end_alias_analysis.
15548 (scan_loop): Init the_movables.
15549 (record_giv): Init induction->no_const_addval.
15550 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
15551 [REG]: Rearrange loop search test to catch more cases.
15552 (general_induction_var): Return success not benefit; take an extra
15553 argument for that. Change all callers.
15554 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
15555 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
15556 [default]: Search the_movables for additional combinations.
15557 (sge_plus_constant, sge_plus): New functions.
15558 (express_from_1): New function.
15559 (express_from): Always define. Rewrite using express_from_1.
15560 (combine_givs_p): Handle more cases. Ignore address cost.
15561 (cmp_combine_givs_stats): New function.
15562 (combine_givs_used_once, combine_givs_benefit_from): New functions.
15563 (combine_givs): Rewrite to do best-fit combination.
15565 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
15566 (fold): Do a complete (A*C)+(B*C) association check.
15568 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
15570 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
15572 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
15574 * mn10300.c (MODES_TIEABLE_P): Fix typo.
15576 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
15578 * tree.c (valid_machine_attribute): Only create a new type variant if
15579 there is a decl to use it.
15581 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
15583 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
15586 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
15588 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
15591 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
15593 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
15594 Simplify tests for clearing an address register.
15595 (expand_prologue): Corresponding changes.
15597 * mn10300.md (movXX patterns): Make sure the destination is an
15598 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
15599 (logical patterns): Split into expanders + patterns.
15600 (zero and sign extension patterns): Similarly.
15601 (shift patterns): Similarly.
15603 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
15605 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
15606 for the sequence, recording base values.
15608 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
15610 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
15612 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
15614 * gcc.c: Remove ANSI-C ism from --help code.
15616 * toplev.c: Support --help with USE_CPPLIB.
15618 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
15620 * configure.in: Rework gas feature code to work with symlink based
15623 * extend.texi: Clarify some issues related to local variables
15624 assigned to explicit registers.
15626 * mn10300.md (mulsi): Turn into expander + pattern.
15628 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
15631 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
15633 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
15635 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
15637 * version.c: Bump again to distinguish mainline tree from the
15640 See ChangeLog.0 for earlier changes.
15643 add-log-time-format: current-time-string