1 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
5 genattrtab.o, genoutput.o): Depend on system.h.
7 * genattr.c: Include system.h. Add arguments to various function
8 prototypes. Remove redundant prototype of read_rtx().
9 * genattrtab.c: Likewise.
10 * gencodes.c: Likewise.
11 * genconfig.c: Likewise.
12 * genemit.c: Likewise.
13 * genextract.c: Likewise.
14 * genflags.c: Likewise.
15 * genopinit.c: Likewise.
16 * genoutput.c: Likewise.
17 * genpeep.c: Likewise.
18 * genrecog.c: Likewise.
20 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
22 * c-lang.c (lang_print_xnode): New function.
23 * objc/objc-act.c (lang_print_xnode): Likewise.
24 * print-tree.c (print_node): Call it
26 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
28 * c-parse.in: Recognize protocol qualifiers in class
31 (yyerror): Remove redundant decl.
32 (yyprint): Fix prototype.
34 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
36 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
38 * stmt.c (unroll_block_trees): Free block_vector if needed.
40 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
42 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
43 (zero_extendsidi2): Avoid useless copy.
44 (iordi_zext): New pattern.
45 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
47 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
49 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
50 (ashldi3): Allow constant shift count in range ]32,63].
51 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
53 1998-03-22 Mark Mitchell <mmitchell@usa.net>
55 * tree.h (IS_EXPR_CODE_CLASS): New macro.
57 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
59 * h8300.h (CONST_COSTS): Remove definition.
60 (DEFAULT_RTX_COSTS): Define.
62 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
64 * config/sh/rtems.h: Switched from ELF to COFF.
66 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
68 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
70 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
72 * version.c: Bump for snapshot.
74 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
75 Geoff Noer <noer@cygnus.com>
77 * Makefile.in: Various fixes for building cygwin32 native toolchains.
79 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
80 * objc/Make-lang.in: Likewise.
82 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
84 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
86 * configure.in: Handle with-PACKAGE=no correctly
88 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
90 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
91 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
92 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
93 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
94 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
95 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
96 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
97 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
98 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
99 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
102 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
103 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
104 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
105 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
106 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
107 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
108 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
109 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
110 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
111 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
112 xcoffout.c: Include system.h. Organize include ordering so
113 that stdarg/varargs comes before other system headers. Remove
114 spurious casts of functions assured of a prototype in system.h.
116 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
118 * reg-stack.c (pop_stack): Define. Pops any register on the
119 regstack and adjusts regstack.
120 (compare_for_stack_reg): Use pop_stack.
122 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
124 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
127 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
129 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
131 * fold-const.c (fold): Replace sign-extension of a zero extended
132 value by a single zero extension.
134 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
136 * except.c (init_eh): Do nothing.
137 (save_eh_status): Call init_eh_for_function, not init_eh.
138 * function.c (push_function_context_to): Don't call init_emit.
140 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
142 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
145 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
147 * final.c (shorten_branches): Add parentheses around +/- in
150 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
152 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
154 * regclass.c (memory_move_secondary_cost): Wrap uses of
155 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
158 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
160 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
162 * flow.c (life_analysis): #include <sys/types.h> to make sure
164 * cplus-dem.c (demangle_function_name): Likewise.
166 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
168 * final.c (insn_noperands): Change type to unsigned int.
169 (final_scan_insn): Likewise for noperands;
170 properly check operand number boundaries.
172 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
174 * alpha.md (extzv): Don't reject register operands. Fix
177 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
179 * dbxout.c (dbxout_function_end): Fix last change. The correct
180 predicate is ASM_OUTPUT_SECTION_NAME.
182 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
184 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
185 (ashlsi): Use match_dup 1 instead of match_operand 2.
187 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
189 * fold-const.c (operand_equal_for_comparison_p): See if equal
190 when nop conversions are removed.
192 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
194 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
195 don't use ORIGINAL_TARGET unless REG.
197 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
199 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
201 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
203 * loop.c (struct movable): New field move_insn_first.
204 (scan_loop): In consec sets code, set it. Clear it otherwise.
205 (move_movables): In consec sets code, use it. Copy REG_NOTES from
206 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
209 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
211 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
212 is large, and the system doesn't provide atoll or atoq.
215 * alpha/xm-vms.h (HAVE_ATOLL): Define.
216 Reported by Klaus Kaempf <kkaempf@progis.de>.
218 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
221 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
223 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
224 test !ACCUMULATE_OUTGOING_ARGS.
226 * collect2.c (write_c_file_glob): Wrap function definition in
227 macro test !LD_INIT_SWITCH.
229 * combine.c (try_combine): Wrap variables `cc_use' and
230 `compare_mode' in macro test EXTRA_CC_MODES.
232 * cpplib.c (do_ident): Remove unused variable `len'.
233 (skip_if_group): Remove unused variables `at_beg_of_line' and
235 (cpp_get_token): Remove unused variable `dummy'.
237 * dbxout.c (scope_labelno): Move static variable definition inside
238 the one function scope where it is used.
239 (dbxout_function_end): Wrap prototype and definition in
240 macro test !NO_DBX_FUNCTION_END.
242 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
243 in macro test !MIPS_DEBUGGING_INFO.
245 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
246 into the scope where it is used. Wrap empty else-statement body
249 * fix-header.c: Fix typo in comment.
250 (inf_skip_spaces): Cast results of INF_UNGET to (void).
251 (check_protection, main): Likewise.
253 * flow.c (find_basic_blocks_1): Remove dangling comment text.
255 * function.c (contains): Wrap prototype and definition in macro
256 test HAVE_prologue || HAVE_epilogue.
257 (fixup_var_refs_1): Remove unused variable `width'.
259 * gen-protos.c (main): Remove unused variable `optr'.
261 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
263 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
264 (__sjpopnthrow): Remove unused variable `jmpbuf'.
265 (__throw): Remove unused variable `val'.
267 * protoize.c: Check for a previously existing definition before
268 defining *_OK macros.
270 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
272 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
274 * vax.h (ADDR_VEC_ALIGN): Define.
276 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
278 * gcc.c (default_arg): Don't wander off the end of allocated
281 (From Geoffrey Keating <geoffk@ozemail.com.au>)
282 * rs6000.c (small_data_operand): Ensure that any address
283 referenced relative to the small data area is inside the SDA.
285 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
287 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
289 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
291 * except.h (in_same_eh_region): New prototype.
292 (free_insn_eh_region, init_insn_eh_region): New prototypes.
293 * except.c (insn_eh_region, maximum_uid): New static variables.
294 (set_insn_eh_region): New static function to set region numbers.
295 (free_insn_eh_region): New function to free EH region table.
296 (init_insn_eh_region): New function to initialize EH region table.
297 (in_same_eh_region): New function used to determine if two rtl
298 instructions are in the same exception region or not.
299 * final.c (final): Initialize the table indicating which instructions
300 belong in which exception region.
301 * genpeep.c (main): Add "except.h" to include file list in generated
303 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
304 peepholes involving calls and unconditional branches.
306 Mon Mar 16 12:12:36 1998 Ken Raeburn <raeburn@cygnus.com>
308 * reload.h (MEMORY_MOVE_COST): Define here if not already defined;
309 if HAVE_SECONDARY_RELOADS, factor in copying cost.
310 (memory_move_secondary_cost): Declare.
311 * regclass.c (MEMORY_MOVE_COST): Don't define default here.
312 (memory_move_secondary_cost) [HAVE_SECONDARY_RELOADS]: New
314 (regclass, record_reg_classes, copy_cost, record_address_regs):
315 Pass register class and direction of move to MEMORY_MOVE_COST.
316 * reload1.c (MEMORY_MOVE_COST): Don't define default here.
317 (emit_reload_insns, reload_cse_simplify_set): Pass register class
318 and direction of move to MEMORY_MOVE_COST.
319 * 1750a.c, a29k.h, alpha.h, arc.h, arm.h, dsp16xx.h, i386.h,
320 m32r.h, m88k.h, rs6000.h (MEMORY_MOVE_COST): Add extra ignored
321 arguments to definition, even in comments.
322 * mips.h (MEMORY_MOVE_COST): Add extra arguments; add
323 memory_move_secondary_cost result to cpu-specific cost.
325 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
327 * README.gnat: New file.
329 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
331 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
332 "recog.h" for offsettable_memref_p.
333 (legitimize_pic_address): Remove unused variable `offset'.
334 (notice_update_cc): Change return type to void. Add default label
336 (standard_68881_constant_p): Remove unused variable mode.
337 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
338 (const_int_cost): Explicitly declare as returning int.
339 (output_dbcc_and_branch): Change return type to void.
341 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
342 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
343 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
345 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
347 * version.c: Bump for snapshot.
349 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
351 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
352 check for 'M' constraint.
354 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
356 * cccp.c (create_definition): If pedantic, call pedwarn for macro
359 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
361 * i386.c (ix86_logical_operator): New function.
362 (split_di): Ensure that when a MEM is split, the resulting MEMs have
364 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
367 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
368 Richard Earnshaw <rearnsha@arm.com>
369 Nick Clifton <nickc@cygnus.com>
371 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
373 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
375 * cse.c (rtx_cost): Provide a default case in an enumeration
376 switch, and call DEFAULT_RTX_COSTS if it's defined.
378 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
380 * basic-block.h (compute_preds_succs): Change return type in
382 * flow.c (compute_preds_succs): Likewise in function definition.
384 * regmove.c (find_matches): Cast char used as array index to unsigned char
387 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
389 * i386.h (RTX_COSTS): Insert braces around nested if.
390 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
393 * gcc.c (default_compilers): Properly put brackets around array elements in
396 * getopt.c (_getopt_internal): Add explicit braces around nested if;
399 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
400 (record_reg_life_pat): Add explicit parens around && and || in expression.
401 (stack_reg_life_analysis): Add parens around assignment used as expression.
402 (convert_regs): Likewise.
404 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
406 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
407 change callers accordingly.
409 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
410 and definition; change all callers accordingly.
412 * except.c (init_eh): Avoid assignment of unused return value of
413 build_pointer_type; cast it to void, instead, and remove unused
416 * gcc.c (lang_specific_driver): Define prototype only #ifdef
417 LANG_SPECIFIC_DRIVER.
418 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
420 * genoutput.c (output_epilogue): Initialize next_name to 0.
422 * real.c (efrexp): #if 0 prototype and function definition.
430 * reload.c (push_secondary_reload): Define prototype only
431 #ifdef HAVE_SECONDARY_RELOADS.
433 * varasm.c (assemble_static_space): Define rounded only
434 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
436 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
438 * i386.md (andsi): Add default case in enumeration switch.
443 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
445 * c-decl (finish_struct): Change type of min_align to unsigned.
447 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
448 remove unused variable len.
450 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
451 comment indicating this is proper behaviour.
452 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
454 (based_loc_descr): Likewise.
456 * enquire.c (bitpattern): Change type of variable i to unsigned.
458 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
460 * flow.c (life_analysis): Change type of variable i to size_t;
461 remove unused variable insn.
463 * gcc.c (translate_options): Change type of variables optlen, arglen and
465 (input_filename_length): Change type to size_t.
466 (do_spec_1): Change type of variable bufsize to size_t.
467 (main): Change type of variables i and j to size_t;
468 remove subblock local definition of variable i.
469 (lookup_compiler): Change type of second argument to size_t;
470 change type of variable i to size_t.
472 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
474 * genopinit.c (get_insn): Change type of variable pindex to size_t.
476 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
478 * global.c (global_alloc): Change type of variable i to size_t.
480 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
482 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
483 (expand_end_case): Change type of variable count to size_t.
485 * toplev.c (main): Change type of variable j to size_t.
486 (set_target_switch): Change type of variable j to size_t.
487 (print_switch_values): Change type of variable j to size_t;
488 remove unused variable flags.
490 * varasm.c (assemble_variable): Change type of variable align to size_t.
491 (const_hash_rtx): Change type of variable i to size_t.
493 1998-03-11 Mark Mitchell <mmitchell@usa.net>
495 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
496 TREE_VEC if that's what it really is.
498 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
500 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
503 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
505 * gthr.h: Changed the comment about return values.
506 * gthr-solaris.h (__gthread_once): Do not use errno; return the
507 error number instead of -1.
508 (__gthread_key_create): Any non-zero return value is an error.
509 * libgcc2.c (eh_context_initialize): Check for non-zero return
510 value from __gthread_once.
511 Check that the value of get_eh_context was really changed.
513 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
515 * sh.h (LOOP_ALIGN): Only align when optimizing.
516 * sh.c (find_barrier): Clear inc for CODE_LABELs.
517 When not optimizing, calculate alignment for BARRIERs directly.
519 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
521 * final.c (shorten_branches): Remove conditionalizing on
522 SHORTEN_WITH_ADJUST_INSN_LENGTH
523 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
525 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
527 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
528 an unconditional jump around deleted blocks.
530 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
532 * profile.c (branch_prob): If see computed goto, call fatal instead of
535 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
537 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
538 Patch from Bruno Haible.
540 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
541 (assign_parms): Set aggregate if hide_last_arg and last_named.
543 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
545 * final.c (shorten_branches): Initialize insn_addresses.
547 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
549 * sh.h (MUST_PASS_IN_STACK): Define.
551 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
553 * final.c (shorten_branches): Fix minor logic error in
554 ADDR_DIFF_VEC shortening support.
556 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
558 * version.c: Bump for snapshot.
560 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
562 * haifa-sched.c (is_cfg_nonregular): Change return type to
563 an int. No longer compute "estimated" number of edges. Use
564 computed_jump_p instead of duplicating the code. Fixup/add
566 (build_control_flow): Returns a value indicating an irregularity
567 in the cfg was detected. Count the number of edges in the cfg.
568 allocate various edge tables.
569 (find_rgns): No longer look for unreachable blocks.
570 (schedule_insns): Do not allocate memory for edge tables here.
571 Free memory for edge tables before returning. Do not perform
572 cross block scheduling if build_control_flow returns nonzero.
573 * flow.c (compute_preds_succs): More accurately determine when
576 * basic-block.h (free_basic_block_vargs): Provide prototype.
578 * cccp.c (main): Fix dumb mistakes in last change.
580 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
582 * rtl.h (addr_diff_vec_flags): New typedef.
583 (union rtunion_def): New member rt_addr_diff_vec_flags.
584 (ADDR_DIFF_VEC_FLAGS): New macro.
586 * sh.c (output_branch): Fix offset overflow problems.
588 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
589 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
590 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
591 * stmt.c (expand_end_case): Supply new arguments to
592 gen_rtx_ADDR_DIFF_VEC.
593 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
594 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
595 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
596 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
597 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
598 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
599 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
600 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
601 * i386/freebsd.h, i386/linux.h : Likewise.
602 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
603 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
604 * m68k/mot3300.h, m68k/sgs.h : Likewise.
605 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
606 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
607 (CASE_VECTOR_SHORTEN_MODE): Define.
608 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
609 (med_branch_p, braf_branch_p): Don't declare.
610 (mdep_reorg_phase, barrier_align): Declare.
611 (ADJUST_INSN_LENGTH): Remove alignment handling.
612 * sh.c (uid_align, uid_align_max): Deleted.
613 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
614 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
615 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
616 (output_far_jump): Don't use braf_branch_p.
617 (output_branchy_insn): Don't use branch_offset.
618 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
619 Remove paired barrier stuff.
620 Don't use cache_align_p.
621 Take alignment insns into account.
622 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
624 (barrier_align, branch_dest): New function.
625 (machine_dependent_reorg, split_branches): Remove infrastructure
626 for branch shortening that is now provided in the backend.
627 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
628 (braf_branch_p, braf_cbranch_p): Likewise.
629 (attribute length): Use new attributes.
630 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
631 (addr_diff_vec_adjust): Delete.
632 (align_2): Now a define_expand.
633 (align_log): Now length 0.
635 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
637 * m32r.md (right): Correctly check for length == 2, not 1.
639 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
641 * mips/mips.h: Prototype `machine_dependent_reorg'.
642 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
644 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
646 * final.c (shorten_branches): Restore accidentally removed code.
648 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
650 * configure.in: Remove duplicate uses of AC_PROG_CC and
653 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
655 * configure.in (target_cpu_default2): Correct typo for alphapca56.
657 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
658 Doug Evans (devans@cygnus.com)
660 * haifa-sched.c (build_jmp_edges): Delete dead function.
661 (build_control_flow): Use cfg routines from flow.c
662 (schedule_insns): Remove debugging code accidentally checked
665 * basic-block.h: Add external integer list structures, typdefs,
666 accessor macros and function declarations. Simlarly for
667 basic block pred/succ support and simple bitmap stuff.
668 * flow.c: Add functions for integer list, basic block pred/succ
669 support and simple bitmap support.
670 (compute_dominators): New function to compute dominators and
672 (find_basic_blocks): Split into two functions.
673 (life_analysis): Likewise.
674 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
675 the life_analysis from toplev.c
676 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
677 life_analysis instead of flow_analysis.
679 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
681 * jump.c (jump_optimize): Call mark_jump_label also for deleted
683 (mark_jump_label): Don't increment ref counts for deleted insns.
685 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
687 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
689 * mips/mips.c: Include stdlib.h and unistd.h.
690 (mips_asm_file_end): Add braces around empty body in an if-statement.
691 (function_prologue): Wrap variable `fnname' in
692 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
693 (mips_select_rtx_section, mips_select_section): Declare as void.
695 * mips/mips.h: Add prototypes for extern functions in mips.c.
696 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
697 (ENCODE_SECTION_INFO): Add braces around empty body in an
700 * mips/mips.md (movdi): Add parentheses around && within ||.
701 (movsf, movdf): Likewise.
702 (branch_zero, branch_zero_di): Add default case in
706 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
708 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
709 real constants, since they can't be changed.
710 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
711 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
712 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
713 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
714 * alpha/vms.h (TARGET_OPEN_VMS): New.
715 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
717 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
719 * reload.c (find_reloads): Always force (subreg (mem)) to be
720 reloaded if WORD_REGISTER_OPERATIONS.
722 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
724 * haifa-sched.c (free_list): Rename from free_pnd_lst.
725 (free_pending_lists): Rename free_pnd_lst uses.
726 (remove_dependence): Place expunged element on unused_insn_list.
727 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
728 gen_rtx_*_LIST and alloc_rtx to use them.
729 (compute_block_backward_dependences): Free the reg_last_* lists.
731 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
733 * cccp.c (main): Avoid undefined behavior when setting pend_includes
736 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
738 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
739 USE_GNULIBC_1 is defined
740 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
741 includes the t-linux-gnulibc1 fragment
743 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
745 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
747 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
749 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
751 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
753 * final.c (shorten_branches): Tag the loop alignment onto the
754 first label after NOTE_INSN_LOOP_BEG even if there is an
757 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
759 * final.c (insn_current_reference_address):
760 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
761 proper alignment chain.
763 * final.c (max_labelno): New static variable.
764 (final_scan_insn): Check max_labelno before outputting an
765 alignment for a label.
766 (shorten_branches): Remove unused variable length_align.
768 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * sparc.c (ultrasparc_adjust_cost): Add default case in
773 * sparc.h: Add prototypes for extern functions defined in
776 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
778 * toplev.c: Only generate <name>.dbr file when dumping RTL if
779 DEALY_SLOTS is defined.
781 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
783 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
784 in call to fill_slots_from_thread.
786 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
788 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
789 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
791 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
793 * final.c (insn_last_address, insn_current_align, uid_align):
795 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
796 (insn_current_reference_address): Likewise.
797 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
798 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
799 (label_to_alignment): New function.
800 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
801 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
802 insn_current_reference_address instead of insn_current_address.
803 (or_attr_value, write_length_unit_log): New functions.
804 (main): Call write_length_unit_log.
805 (write_const_num_delay_slots): Output extra '\n'.
806 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
808 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
809 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
810 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
812 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
813 (LABEL_ALIGN_AFTER_BARRIER).
814 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
815 * ns32k/tek6000.h: Likewise.
816 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
817 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
818 ASM_OUTPUT_ALIGN_CODE.
820 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
822 * version.c: Bump for snapshot.
824 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
826 * version.c: Bump for snapshot.
828 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
830 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
831 if condition code of jump conflicts with opposite_needed.
833 * reorg.c (fill_slots_from_thread): Mark resources referenced in
834 opposite_needed thread. Return delay_list even when cannot get
835 any more delay insns from end of subroutine.
837 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
839 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
842 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
844 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
845 end_fde_sort): New functions for fast sorting of an FDE array.
846 (fde_insert): Simplified.
847 (add_fdes): Change argument list.
848 (frame_init): Use the new functions.
850 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
852 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
854 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
856 * fold-const.c (fold_range_test): Always return a value.
858 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
860 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
861 data in the text section unless READONLY_DATA_SECTION is defined.
863 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
865 * c-parse.in (undeclared variable error): Tweak error message to
868 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
870 * version.c: Bump for snapshot.
872 1998-02-28 Mark Mitchell <mmitchell@usa.net>
874 * final.c (final_scan_insn): Undo overzealous removal of `set'.
876 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
878 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
879 case, add parentheses to specify the proper order of precedence in
883 * c-aux-info.c: Include string.h/strings.h.
885 * pa.c: Include stdlib.h.
886 (pa_combine_instructions): Prototype the function.
887 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
888 (reloc_needed): Add default case for enumeration switch.
889 (remove_useless_addtr_insns): Remove unused variable `all'.
890 (hppa_expand_prologue): Add explicit braces to avoid
892 (output_function_epilogue): Remove unused variable `i'.
893 (output_millicode_call): Remove unused variable `link'.
894 (shadd_constant_p, forward_branch_p): Make the function static.
895 (following_call): Explicitly declare to return int.
896 (pa_reorg): Declare as void.
897 (pa_combine_instructions): Declare as static void. Add
898 parentheses around && within ||.
900 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
901 following_call, function_label_operand, lhs_lshift_cint_operand
904 * pa.md: Add parentheses around && within ||.
906 * cppalloc.c: Include stdlib.h.
908 * cpperror.c (cpp_print_containing_files): Remove unused variable
909 `i'. Fix format specifier in fprintf.
911 * cse.c (cse_around_loop): Add explicit braces to avoid
913 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
915 * expr.c (expand_expr): Add parentheses around && within ||.
917 * final.c (app_enable): Replace fprintf with fputs where there are
918 no format specifiers and no trailing argument after the string.
919 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
920 (app_disable): Likewise.
921 (final_end_function): Likewise.
922 (final_scan_insn): Likewise. Remove unused variable `set'.
923 (profile_function): Wrap empty if-statement body in {} brackets.
925 * function.c: Include stdlib.h.
926 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
927 (reposition_prologue_and_epilogue_notes): Add parentheses
928 around assignment used as truth value.
930 * integrate.c (expand_inline_function): Wrap variable
931 `cc0_insn' in macro HAVE_cc0.
933 * jump.c (jump_optimize): Wrap variable `q' in macro
934 HAVE_cc0. Remove unused variable `prev1'.
936 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
937 within ||. Fix format specifier in fprintf.
938 (__bb_init_prg): Add parentheses around assignment used as
941 * local-alloc.c: Include stdlib.h.
942 (requires_inout): Add parentheses around assignment used
945 * loop.c (analyze_loop_iterations): Wrap prototype and definition
946 in macro HAVE_decrement_and_branch_on_count.
947 (insert_bct, instrument_loop_bct): Likewise.
948 (move_movables): Add parentheses around assignment used as
950 (consec_sets_invariant_p): Likewise.
951 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
953 * objc/objc-act.c: Include stdlib.h.
954 (lookup_method_in_protocol_list): Wrap empty else-statement body
956 (lookup_protocol_in_reflist): Likewise.
957 (objc_add_static_instance): Remove unused variables `decl_expr'
959 (get_objc_string_decl): Remove unused variable `decl'.
960 (generate_static_references): Remove unused variables `idecl' and
962 (check_protocols): Wrap empty else-statement body in braces.
964 * protoize.c: Include stdlib.h.
965 (substr): Add parentheses around assignment used as truth value.
967 (shortpath): Likewise.
969 * regmove.c (fixup_match_1): Add parentheses around assignment
972 * reload.c (push_secondary_reload): Remove unused variable `i'.
973 (find_reloads): Add parentheses around assignment used as truth
976 * reload1.c: Include stdlib.h.
978 * rtl.h: Correct typo in prototype of offsettable_memref_p.
980 * stmt.c (add_case_node): Add parentheses around assignment used
982 (case_tree2list): Likewise.
984 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
985 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
986 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
987 (merge_attributes): Add explicit braces to avoid ambiguous
990 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
993 * varasm.c: Include stdlib.h.
996 * system.h: Remove sys/stat.h.
997 * gcc.c: Add sys/stat.h.
999 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
1000 * genattrtab.c: Likewise.
1001 * genconfig.c: Likewise.
1002 * genemit.c: Likewise.
1003 * genextract.c: Likewise.
1004 * genflags.c: Likewise.
1005 * genopinit.c: Likewise.
1006 * genoutput.c: Likewise.
1007 * genpeep.c: Likewise.
1008 * genrecog.c: Likewise.
1009 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
1011 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1013 * invoke.texi: Use @itemx for a secondary item in a @table.
1015 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
1018 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
1020 * regclass.c (init_reg_sets): Move init of move cost tables...
1021 (init_reg_sets_1): ...to here.
1023 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
1025 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
1027 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
1029 * i386.c (struct machine_function): Add new fields for PIC stuff.
1030 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
1032 (restore_386_machine_status): Corresponding changes.
1033 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
1035 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
1037 * c-parse.y (undeclared variable error): Tweak error message
1040 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
1042 * flags.h (g_switch_value, g_switch_set): Declare.
1043 * alpha.c (override_options): Set g_switch_value=8 if not set.
1044 * alpha/elf.h (CC1_SPEC): New.
1046 (LINK_SPEC): Pass along the -G value we were given.
1047 (LOCAL_ASM_OP): Remove.
1048 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
1049 (MAX_OFILE_ALIGNMENT): New.
1050 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
1051 (EXTRA_SECTIONS): Add sbss and sdata.
1052 (SECTION_FUNCTION_TEMPLATE): New.
1053 (EXTRA_SECTION_FUNCTIONS): Use it.
1054 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1055 (SELECT_SECTION): Use sdata when small enough.
1056 * alpha/linux.h (ASM_SPEC): Remove.
1059 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1060 * config.sub (sco5): Fix typo.
1062 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
1064 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
1066 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
1067 * config/alpha/t-linux: Remove file.
1068 * config/sparc/t-linux: Remove file.
1069 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
1070 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
1071 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
1073 (alpha*-*-linux-gnu*): Likewise.
1074 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
1075 (sparc-*-linux-gnu*): Likewise.
1077 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
1078 * collect2.c (ldd_file_name): Bracket declaration with same
1080 (full_real_ld_suffix): Deleted. Variable was calloced and
1081 written into, but never read.
1083 1998-02-23 Mike Stump <mrs@wrs.com>
1085 * configure.in: Add support for i386-wrs-vxworks configuration.
1086 * i386/vxi386.h: New file.
1088 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1090 * tree.c (contains_placeholder_p): Ensure function always returns
1092 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
1093 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
1095 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
1097 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
1099 1998-02-22 Paul Eggert <eggert@twinsun.com>
1101 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
1102 Define this new symbol.
1103 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
1104 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
1105 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
1107 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
1109 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
1110 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
1112 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
1114 * objc/Object.m (-error): Call objc_verror with our va_list.
1116 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1118 * collect2.c (scan_prog_file): Completely cover uses of variable
1119 `exports' with macro COLLECT_EXPORT_LIST.
1121 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
1123 * version.c: Bump for snapshot.
1125 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
1127 * sched.c (schedule_block): Remove code to get arguments from hard
1128 regs into pseudos early. Same as Aug 25, 1997 change to
1131 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
1133 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
1135 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
1137 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
1138 continuation character (line 243).
1140 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1142 * genrecog.c (main): Remove duplicated sentence in emitted comment.
1144 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
1145 David Edelsohn <edelsohn@mhpcc.edu>
1147 * collect2.c (XCOFF_SCAN_LIBS): Remove.
1148 (export_flag): New variable.
1149 (export_file): #ifdef COLLECT_EXPORT_LIST.
1150 (import_file, exports, imports, undefined): New variables.
1151 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
1152 (dump_list, dump_prefix_list, is_in_list): New functions.
1153 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
1154 (write_import_file, resolve_lib_name): New functions.
1155 (use_import_list, ignore_library): Same.
1156 (collect_exit): maybe_unlink import_file and #ifdef.
1158 (main): New variable importf, #ifdef exportf. Move parsing of
1159 -shared before general argument parsing. Resolve AIX library
1160 paths and import libgcc.a symbols. Treat .so shared libraries the
1161 same as objects and .a libraries. Create alias for object_lst and
1162 increment it instead of original pointer. Scan AIX libraries as
1163 objects earlier instead of using scan_libraries. Perform AIX
1164 tlink later to resolve templates instead of forking ld.
1165 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
1166 (GCC_UNDEF_SYMBOL): New macro.
1167 (scan_prog_file): Loop for members of AIX libraries. Handle
1168 export/import of ctors/dtors.
1169 (aix_std_libs): New variable.
1170 (scan_libraries, XCOFF): Delete.
1172 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
1174 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
1176 1998-02-19 Mike Stump <mrs@wrs.com>
1178 * Makefile.in: Use $tooldir for sys-include to match toplevel
1181 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
1182 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1184 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
1186 * emit-rtl.c (hard-reg-set.h): Include.
1187 (get_lowpart_common): Don't make new REG for hard reg in a
1188 class that cannot change size.
1189 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
1191 * combine.c: Revert previous patch.
1193 1998-02-19 Paul Eggert <eggert@twinsun.com>
1195 * config/sparc/sol2-sld.h: New file.
1196 * configure.in (sparc-*-solaris2*): Use it when using the
1199 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
1201 * loop.c (force_movables): Fix typo.
1203 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
1205 * m88k.h: Change file pattern to match reality.
1207 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
1209 * varasm.c (output_constant_pool): Fix dumb thinko in last
1212 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
1213 a function name to a section name.
1215 1998-02-18 Doug Evans <devans@cygnus.com>
1217 * tree.h (merge_machine_{type,decl}_attributes): Declare.
1218 (split_specs_attrs, strip_attrs): Add prototypes.
1219 * tree.c (merge_machine_{type,decl}_attributes): New functions.
1220 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
1221 Update olddecl's attributes too.
1222 * c-common.c (strip_attrs): New function.
1223 * c-typeck.c (common_type): Call merge_machine_type_attributes.
1224 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
1225 (make_decl_rtl): Likewise.
1227 1998-02-18 Jim Wilson <wilson@cygnus.com>
1229 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
1231 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
1233 Remove this change until we can fix it correctly.
1234 * collect2.c: Bracket declaration of 'exportf' and
1235 'full_real_ld_suffix'.
1237 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1239 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
1241 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1243 * c-common.c (c_expand_start_cond, c_expand_end_cond,
1244 c_expand_start_else): Don't warn about non-ambiguous else even if
1247 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
1249 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
1250 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
1253 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
1255 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
1256 simplifying a subreg of a hard reg.
1257 (expand_compound_operation): Likewise.
1258 (force_to_mode): Likewise.
1260 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1262 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
1263 (lshift_double): Add parentheses around + or - inside shift.
1264 (rshift_double): Likewise.
1265 (size_int_wide): Explicitly set type of `bit_p' to `int'.
1267 * Makefile.in (fold-const.o): Depend on system.h.
1269 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
1272 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
1273 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1274 (sched_note_set): Remove unused parameter `b', all callers changed.
1275 (schedule_block): Likewise for `rgn'.
1276 (split_hard_reg_notes): Likewise for `orig_insn'.
1277 (check_live): Likewise for `trg'.
1278 (update_live): Likewise.
1279 (check_live_1): Explcitly declare variable `i' as int.
1280 (update_live_1): Likewise.
1281 (insn_issue_delay): Remove unused variable `link'.
1282 (sched_analyze_2): Add default case in enumeration switch.
1283 (schedule_insns): Remove unused variable `i'.
1285 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
1287 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
1289 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
1290 a dangling else clause.
1292 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
1294 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
1295 pointer for the stack pointer in MIPS16 and 64BIT.
1297 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1299 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
1300 * emit-rtl.c (force_line_numbers, restore_line_number_status):
1302 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
1303 (expand_start_case): Adjust to this change.
1304 (check_seenlabel): New function.
1305 (pushcase, pushcase_range, expand_endcase): Use it.
1307 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1309 * i386.md (adddi3): Add =!r,0,0,X alternative.
1311 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1313 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
1314 * x-aix31 (INSTALL): Delete.
1316 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
1318 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
1319 tsize changes to something other than zero.
1321 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
1323 * ginclude/va-mips.h: Replace casts of pointers to int with
1324 casts of pointers to __PTRDIFF_TYPE__.
1326 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
1328 * loop.c (strength_reduce, record_biv, record_giv): Use
1329 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
1331 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
1333 * tree.c (first_rtl_op): New fn.
1334 (unsave_expr_now): Use it.
1335 * print-tree.c (print_node): Likewise.
1336 * tree.c (has_cleanups): New fn.
1337 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
1338 conservative about pushing the cleanup point down.
1339 * tree.h: Declare them.
1341 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
1343 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
1344 (flag_schedule_reverse_after_reload): Likewise.
1345 (f_options): Remove reverse scheduling support.
1346 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
1347 (flag_schedule_reverse_after_reload): Likewise.
1348 * haifa-sched.c (rank_for_schedule): Remove support for reverse
1351 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * gcc.c: Get system includes, prototypes and macros via "system.h"
1354 instead of doing it manually. Change all calls of the ctype
1355 macros to custom versions defined in "system.h".
1357 * system.h: Fix return type of bcmp prototype from `void' to `int'.
1358 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
1359 Add a prototype for getenv.
1361 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
1363 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
1365 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
1367 * alias.c: Include <stdlib.h> and <string.h>.
1368 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
1370 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
1372 * version.c: Bump for snapshot.
1374 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
1376 * arm.md (movsfcc): Also validate operands[3] when compiling hard
1378 (movdfcc): Only accept fpu_add_operand for operands[3].
1380 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
1381 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
1383 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
1385 * varasm.c (output_constant_pool): Bring back 'done' label inside
1386 an appropriate #ifdef.
1388 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
1390 (bitmap_copy, bitmap_operation): Likewise.
1391 * combine.c (combinable_i3pat): Similarly for 'src'.
1392 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
1393 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
1394 * regclass.c (copy_cost): Similarly for 'secondary_class'.
1395 * reload.c (make_memloc): Simliarly for 'i'.
1396 (find_reloads_address_1): Similarly for 'link'.
1397 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
1398 (emit_reload_insns): Similarly for 'second_reloadreg'.
1399 * unroll.c (iteration_info): Similarly for 'v'.
1401 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
1402 * calls.c (expand_call): Similarly for 'i'.
1403 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
1404 * fold-const.c (strip_compund_expr): Similarly for 'type'.
1405 * function.c (fixup_var_refs_1): Similarly for 'width'.
1406 (fixup_memory_subreg): Similarly for 'saved'.
1407 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
1408 (setjmp_protect): Similarly for 'sub'.
1409 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
1410 * loop.c (record_giv): Similarly for 'p'.
1411 (combine_givs): Similarly for 'temp_iv'.
1412 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
1413 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
1414 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
1415 * unroll.c (unroll_loop): Similarly for 'copy'.
1416 (iteration_info): Similarly for 'b'.
1417 * varasm.c (assemble_string): Similarly for 'i'.
1418 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
1420 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
1422 * dwarf2out.c (decl_scope_node): New type.
1423 (decl_scope_table): Change type to use it.
1424 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
1425 (push_decl_scope): Use new type. New locals containing_scope, i.
1426 Add code to handle setting previous field.
1427 (scope_die_for): Change type of local i to int. Add code to use
1429 (dwarf2out_init): Use new type.
1431 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
1433 * except.c (emit_throw): Lose throw_used.
1435 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1437 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
1439 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
1441 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
1443 * genextract.c (main): Fix typo.
1445 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
1447 * c-lang.c (finish_file): Bracket declaration of static_ctors,
1450 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
1451 'old_stack_arg_under_construction'
1452 (emit_library_call): Bracket declaration of 'upper_bound',
1453 'lower_bound', 'i', 'reg_parm_stack_space'
1454 (emit_library_call_value): Likewise.
1457 * collect2.c: include <unistd.h> when appropriate.
1458 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
1460 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
1462 * explow.c (plus_constant_for_output_wide): Remove unused variable
1464 (memory_address): Remove unused variable 'orig_x'.
1466 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
1467 (write_const_num_delay_slots): Remove unused variable 'i'.
1469 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
1470 (gen_insn): Remove unused variable 'obstack_ptr'.
1472 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
1474 (__bb_exit_trace_func): Remove unused variable 'e'.
1476 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
1478 (expand_unop): Remove unused variable 'funexp'.
1479 (expand_complex_abs): Remove unused variable 'funexp'.
1480 (init_optabs): Bracket declaration of 'j'.
1481 (init_complex_libfuncs): Deleted. Dead static function.
1483 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
1485 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
1486 (reg_to_stack): 'initialized', 'before_function_beg'
1487 explictly type as ints instead of defaulting.
1488 (emit_swap_insn): Remove unused variable 'i2'.
1489 (compare_for_stack_reg): Remove unused variable 'src_note'.
1491 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
1493 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
1495 * stmt.c (add_case_node): Add parens for assignment used as truth.
1496 (all_cases_count): Remove unused variable 'count_high'.
1497 (mark_seen_cases): Remove unused variable 'i'.
1498 (check_for_full_enumeration_handling): Remove unused variable 't'.
1499 Bracket declaration of 'all_values', 'l'.
1501 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
1503 * varasm.c (assemble_string): Remove unused variable 'i'.
1504 (immed_double_const): Remove unused variable 'in_current_obstack'.
1505 (immed_real_const_1): Likewise.
1506 (output_constant_pool): Remove unreferenced label 'done'.
1507 (output_constant): Remove unused variable 'x'.
1509 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
1512 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
1515 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1517 * combine.c (can_combine_p): Handle USEs in PARALLELs.
1519 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
1521 * config/linux.h (LIB_SPEC): Add -lc for -shared if
1522 USE_GNULIBC_1 is not defined.
1523 * config/sparc/linux.h; Ditto.
1525 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
1527 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
1528 USE_GNULIBC_1 is not defined.
1530 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1532 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
1535 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1537 * system.h: New file to get common systems includes and various
1538 definitions and declarations based on autoconf macros.
1540 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
1542 * cccp.c (new_include_prefix): Correctly handle -I./.
1544 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
1546 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
1548 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
1550 * expr.c (expand_assignment): Correct typo exposed by -Wall.
1551 offset should have been a truth value, not an assignment.
1553 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
1555 * cse.c (delete_dead_from_cse): If a libcall produces a constant
1556 result and that result can be substituted into SET_SRC of the
1557 insn with the REG_RETVAL note, then perform the substitution
1558 and delete the libcall.
1560 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
1562 * mips.md (trucndihi2,truncdiqi2): Change these to support
1565 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
1567 * mips/mips.c (movdi_operand): Direct referances to symbols
1568 that arn't mips16 consts in mips16 mode arn't valid operands.
1570 * mips/mips.c (mips_move_2words): Add gprel handling.
1572 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
1574 * mips.md (extendsidi2): Allow extension to/from a non-mips16
1577 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
1579 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
1582 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1584 * Makefile.in (WARN_CFLAGS): New variable.
1585 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
1587 1998-02-11 Mark Mitchell <mmitchell@usa.net>
1589 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
1590 falling through default case in switch.
1591 (i386_aligned_p): Likewise.
1593 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
1595 * mips/mips.h (mips_abi_string): Correct typo in comment.
1597 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
1599 * mips/mips.md (movdi): These PLUS's need to be Pmode.
1601 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1603 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
1604 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
1605 indirectly via expr.h.
1607 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
1609 * stor-layout.c (layout_type): Do upper - lower in the native type,
1610 so as to properly handle negative indices.
1612 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
1614 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
1615 (expand_eh_region_start_tree): Remove unused variable 'note'.
1616 (exception_optimize): Remove unused variable 'regions'.
1617 (expand_builtin_eh_stub): Remove unused variable 'temp'.
1618 (copy_eh_entry): Deleted. Dead function.
1620 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
1621 'last' with same #if HAVE_load_multiple as use of it.
1622 (move_block_from_reg): Likewise.
1623 (emit_move_insn_1): Remove unused variable 'insns'.
1624 (store_constructor): Bracket declaration of startb, endb with
1625 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
1626 'target', and 'xtarget'.
1627 (expand_builtin_setjmp): Remove unused variables 'op0',
1628 'next_arg_reg', 'old_inhibit_defer_pop'.
1629 (expand_builtin): Remove unused variable 'offset'.
1630 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
1631 (emit_queue): Add parens for assignment used as conditional.
1632 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
1634 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
1636 * i386.c: Added include for recog.h.
1637 (override_options): Removed unused variable p. Initialized regno to
1639 (order_regs_for_local_alloc): Initialized regno to avoid warning.
1640 (legitimize_address): Likewise for 'other'.
1641 (i386_aligned_reg_p): Added default case with abort ().
1642 (print_operand): Likewise.
1643 (reg_mentioned_in_mem): Likewise.
1644 (ix86_expand_binary_operator): Removed unused variables i & insn.
1645 (ix86_expand_unary_operator): Removed unused variable insn.
1646 (output_fp_cc0_set): Removed unused variable unordered_label.
1648 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
1650 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
1651 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
1652 and format string match.
1654 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
1656 * flow.c (life_analysis): Do not conside the stack pointer live at
1657 the end of a function if the fucntio ncalls alloca.
1658 (mark_used_regs): Similarly.
1660 1998-02-10 John F Carr <jfc@mit.edu>
1662 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
1663 1, fzero on alternative 8.
1665 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1667 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
1669 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1671 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
1672 SUBREGs of CONST_INTs.
1674 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
1676 * mips.c (print_operand, function_prologue): Make printf format
1677 match argument type.
1679 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1681 * alpha.c (alpha_return_addr): Remove unused variable `first'.
1682 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
1683 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
1685 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1687 * loop.c (strength_reduce): When placing increment for auto-inc
1688 case, do comparison in loop order.
1690 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
1692 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
1693 not a HOST_WIDE_INT.
1695 * calls.c (expand_call): Change test of expand_inline_function
1696 return value to stop compiler warning.
1698 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
1700 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
1701 Jeff Law (law@cygnus.com)
1703 * regmove.c: Fix various minor formatting problems.
1704 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
1705 is true. Make end of basic block tests consistent through regmove.c.
1706 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
1707 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
1709 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1711 * gansidecl.h: Check for a conflicting macro definition before
1712 attempting to prototype bcopy, bcmp or bzero.
1714 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
1716 * expr.c (clear_pending_stack_adjust): Handle case where a function
1717 calls alloca, but the user has specified -fomit-fframe-pointer.
1719 * function.c (assign_parms): Fix typo in last change.
1721 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
1723 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
1725 (free_path_suffix): Remove unreferenced static function.
1726 (process_command): Remove unused variable temp.
1727 (default_arg): Remove unused variable i.
1728 (do_spec_1): Add parens for assignment used as truth value.
1730 (validate_all_switches): Likewise.
1731 (main): Remove unused variables i, first_time>
1733 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
1735 * calls.c (expand_call): Remove unused variables funtree,
1736 n_regs, and tmpmode.
1738 * dbxout.c, except.c: Include <string.h>/<strings.h>.
1740 * explow.c: (plus_constant_for_output_wide) Removed unused
1741 variable all_constant.
1743 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
1744 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
1745 genrecog.c, global.c, integrate.c , stupid.c : Include
1748 * genextract.c: (walk_rtx) Remove unused variable link.
1750 * genrecog.c: (concat) Remove unreferenced static function.
1752 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
1754 * stmt.c: Include <stdlib.h>.
1755 (expand_asm_operands): Remove unused variable val1.
1756 (expand_return): Remove unused variable block.
1757 (pushcase): Remove unused variables l and n.
1758 (pushcaserange): Likewise.
1760 * unroll.c (unroll_loop): Remove unused variable temp.
1762 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
1764 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
1766 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1768 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
1769 functions for whether they support the %p format specifier.
1770 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
1771 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
1772 * configure, config.in: Rebuild.
1774 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
1776 * function.c (assign_parms): New variable named_arg, with value
1777 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
1779 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
1781 * mips/t-r3900: New - same as t-ecoff but eliminate
1782 multilibs: mips1 and mips3.
1783 * configure.in (tx39*): Use new mips/t-r3900.
1784 * configure: Rebuild.
1785 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
1787 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
1789 * dwarf2out.c: Add old_args_size.
1790 (dwarf2out_args_size): Use it.
1791 (dwarf2out_begin_prologue): Initialize it.
1792 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
1793 pushed args until we see a call.
1794 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
1795 before outputting them.
1797 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
1799 * cplus-dem.c (demangle_template_template_parm): New function.
1800 (demangle_template): Handle template template parameters.
1802 1998-02-02 Mark Mitchell <mmitchell@usa.net>
1804 * calls.c (expand_call): Don't confuse member functions named
1805 realloc, setjmp, and so forth with the standard library
1806 functions of the same names.
1808 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
1810 * stmt.c (expand_asm_operands): Correctly identify asm statements
1813 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1815 * c-common.c (decl_attributes): Flag unrecognized attribute
1816 functions as warnings instead of as errors.
1818 1998-02-05 Marc Lehmann <pcg@goof.com>
1820 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
1821 when -Os is specified.
1822 * toplev.c (main): Don't disable flag_inline_functions anymore when
1825 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1827 * regmove.c: Update.
1828 * flags.h (flag_regmove): Declare.
1829 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1830 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1831 Moved into regmove; changed caller.
1832 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1833 expensive_optimizations.
1835 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1837 * version.c: Bump for snapshot.
1839 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1840 Undo this change (the problem was actually in reload):
1841 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1843 * sh.md (movqi_i+1): New peephole.
1845 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1847 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1848 not needed anymore due to changes elsewhere in jump.c.
1850 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1853 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1855 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1856 the labels to branch to on first and subsequent executions. Don't
1857 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1858 and provide it with the jmp_buf. Use only one of
1859 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1860 and provide the former with the target label.
1861 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1862 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1863 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1864 insn to replace all of the normal nonlocal_goto code. Don't play
1865 with __dummy. Correct arguments to nonlocal_goto.
1866 * expr.h (expand_builtin_setjmp): Update prototype.
1867 * except.c (start_dynamic_handler): When using builtin_setjmp,
1868 generate more accurate flow information.
1870 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1871 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1872 (builtin_longjmp, builtin_setjmp_receiver): New.
1873 * sparc.md (update_return): Disambiguate unspec number.
1874 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1875 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1877 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1878 (builtin_setjmp_setup*, builtin_longjmp): New.
1880 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1882 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1884 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1886 * vmsconfig.com: Remove bytecode references.
1888 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1890 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1891 -fno-sjlj-exceptions works for a target that defines
1892 DWARF2_UNWIND_INFO as zero.
1894 * regmove.c (fixup_match_1): Undo last change which removed some
1895 "useless" code, and add a comment explaining this.
1897 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1899 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1902 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1904 * makefile.vms: Remove bytecode references.
1905 Create genrtl files.
1907 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1909 * jump.c (jump_optimize): Allow conditional loading of floating point
1910 constants and constants from memory. Reinstalled modified_in_p tests.
1912 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1914 * loop.c (get_condition): Handle sign-extended constants.
1916 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1918 * expr.c (emit_push_insn): Add code to use movstrti if present.
1920 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1921 and movstrqi as in emit_block_move ().
1923 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1925 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1926 the directories to fixinclude - /usr/include is a link
1927 to it and hence its contents are fixed by default.
1929 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1931 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1933 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1935 * cccp.c (main): Predefine __VMS_VER on VMS.
1937 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1939 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1940 * fold-const.c (size_int): Replace with
1942 (make_bit_field_ref): Use bitsize_int for bit position.
1943 * stor-layout.c (sizetype): Delete.
1944 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1945 (layout_record, layout_union, layout_type):
1946 Use bitsize_int for bit size.
1947 (set_sizetype): New function.
1948 (make_signed_type, make_unsigned_type): Use it.
1949 * c-decl.c (init_decl_processing): Likewise.
1950 * tree.h (size_int): Don't delcare, #define.
1951 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1952 (set_sizetype): Declare.
1953 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1955 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1956 Convert result to sizetype.
1957 (really_start_incremental_init, push_init_level):
1958 Set type of constructor_bit_index to sbitsizetype.
1959 (push_init_level): Use unsigned arithmetic to determine padding.
1960 (output_init_element): Likewise.
1962 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1964 * combine.c (simplify_shift_const): Fix typo in last change.
1966 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1968 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1969 is (truncate (lshiftrt)).
1971 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1973 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1974 Make sure result winds up in TGT.
1975 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1976 src to be other than DImode.
1977 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1978 (alpha_expand_unaligned_store_words): Likewise.
1979 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1980 that source and destination are separately optimized for alignment.
1981 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1983 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1985 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1986 with handling of -32768.
1988 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1990 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1991 shell variable argument instead of only hard coded functions.
1992 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1994 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1995 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1996 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1997 declarations for bcopy, bcmp and bzero.
1999 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
2001 * gansidecl.h: If we have bcopy but don't declare it, then do so.
2002 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
2003 bzero, index and rindex if they aren't already present.
2005 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
2007 * toplev.c (close_dump_file): Wrap function prototype for
2008 argument "func" in PROTO.
2009 (dump_rtl): Likewise.
2011 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
2013 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
2015 (output_function_epilogue): Omit epilogue if nothing drops through.
2016 (output_move_double): Supress int ldd usage on ultrasparc and v9.
2017 (registers_ok_for_ldd_peep): Likewise.
2018 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
2019 (ultrasparc_adjust_cost): New function.
2020 (sparc_issue_rate): New function.
2021 * sparc.h (MASK_VIS, TARGET_VIS): New
2022 (MASK_V8PLUS, TARGET_V8PLUS): New.
2023 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
2024 (TARGET_SWITCHES): Add vis and v8plus.
2025 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
2026 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
2027 (RTX_COSTS): Use TARGET_HARD_MUL
2028 (ADJUST_COST): Call ultrasparc_adjust_cost.
2030 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
2031 of load & fp appropritely.
2032 (supersparc function units): Adjust for Haifa.
2033 (ultrasparc function units): Likewise.
2034 (get_pc_via_rdpc): All v9, not just arch64.
2035 (movdi_v8plus, movdi_v8plus+1): New.
2036 (adddi3_sp32+1): New.
2037 (subdi3_sp32+1): New.
2038 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
2039 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
2040 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
2041 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
2042 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
2043 (ldd peepholes): Suppress for v9.
2044 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
2045 (return_subsi): Revmove.
2047 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
2049 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
2050 save/restore MEM rtl.
2052 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
2054 * configure.in: Check for declaration of abort.
2055 * acconfig.h: Corresponding changes.
2056 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
2059 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
2061 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
2064 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
2066 * version.c: Bump for snapshot.
2068 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
2070 * configure.in: Check for atoq and atoll.
2071 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
2072 proper routine for converting ascii into long long values.
2074 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
2076 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
2078 * vmsconfig.com: Remove bytecode references.
2080 * alpha/vms.h (PREFIX): Define.
2082 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2084 * am-alpha.h: Don't include alloca for OPEN_VMS.
2086 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
2088 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
2089 (GCC_INCLUDE_DIR): Define
2091 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
2092 * makefile.vms: New file.
2094 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
2096 * alpha.c (output_prolog): Output '.name' directive
2097 for minimal traceback information.
2099 * alpha.c (output_prolog): Don't prepend entry point symbols
2100 with '$' on OPEN_VMS.
2102 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
2103 Jeffrey A Law (law@cygnus.com)
2105 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
2108 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
2110 * genemit.c (gen_exp): Likewise.
2111 * genpeep.c (match_rtx): Likewise.
2112 * genrecog.c (write_tree_1): Likewise.
2114 * c-lex.c (yyprint): Use proper format string based upon
2115 disposition of HOST_BITS_PER_WIDE_INT.
2116 (yylex): Put casts in right place for args to build_int_2.
2118 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
2120 * combine.c: Fix typos in Jan27 changes.
2122 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
2124 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
2125 (LINK_SPEC): Likewise.
2126 (STARTFILE_SPEC): Likewise.
2128 1998-01-28 Mike Stump <mrs@wrs.com>
2130 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
2132 * genattrtab.c (reload_completed): Define.
2134 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
2137 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2139 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2140 SUBREG_REG if the word count is unchanged, also in the input reload
2141 case. Disable non-applicable sanity checks.
2143 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
2145 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2147 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
2149 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
2151 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
2153 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
2154 is a TREE_VEC before trying to use it for baseclasses.
2155 (Chill uses the same field for a different purpose.)
2157 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
2159 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
2161 * config.sub: More accurate determination of HP processor types.
2163 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2165 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
2166 prototype for `handle_sysv_pragma', and make it static. Add
2167 parentheses around assignment used as truth value.
2169 * combine.c (combine_instructions): Protect variable `prev' with
2171 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
2172 (extract_left_shift): Add parentheses around operand of &.
2173 (merge_outer_ops): Avoid an empty body in an else-statement.
2174 (gen_rtx_combine): Remove unused variable `i'.
2176 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
2177 function monstartup `void'. Likewise for internal_mcount. Add
2178 `static void' prototype for moncontrol. Reconcile sprintf format
2181 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
2182 Make return type of function_arg_slotno explicitly `int'.
2183 (reg_unused_after): Add parentheses around assignment used as
2185 (save_regs): Add explicit braces to avoid ambiguous `else'.
2186 (function_arg_slotno): Add parentheses around && within ||.
2187 (function_arg_pass_by_reference): Likewise.
2188 (sparc_flat_output_function_prologue): Reconcile fprintf format
2191 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
2192 assignment used as truth value.
2194 * cplus-dem.c: Include <stdlib.h>.
2195 (demangle_signature): Avoid an empty body in an else-statement.
2196 (do_type): Remove unused variable `lvl'.
2198 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
2199 Include <string.h>/<strings.h>.
2200 (cpp_lex): Remove unused variable `namelen'.
2201 (cpp_lex): Explicitly declare `num_chars' as an int.
2203 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
2204 <unistd.h> instead. Explicitly declare is_system_include
2206 (make_assertion): Remove unused variable `kt'.
2207 (cpp_expand_to_buffer): Hide variable `obuf'.
2208 (output_line_command): Remove unused variables, `line_end',
2209 `line_cmd_buf' and `len'.
2210 (macarg): Remove unused variable `arg_start'.
2211 (special_symbol): Remove unused variable `i'. Add parentheses
2212 around assignment used as truth value.
2213 (do_include): Remove unused variables `pcfname' and `retried',
2214 hide `pcf' and `pcfbuflimit'.
2215 (do_line): Remove unused variable `i'.
2216 (finclude): Hide variable `missing_newline'.
2217 (cpp_handle_options): Remove unused variable `j'.
2218 (read_token_list): Remove unused variable `eofp'.
2219 (cpp_error_with_line): Remove unused variable `i'.
2220 (cpp_warning_with_line): Likewise.
2221 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
2222 (cpp_error_from_errno): Remove unused variable `i'.
2224 * cse.c (invalidate): Add parentheses around assignment used as
2226 (find_best_addr): Move declaration of variable `our_cost' inside
2227 the conditional macro where its used.
2228 (fold_rtx): Avoid an empty body in an if-statement.
2229 (cse_insn): Wrap variables `this_insn_cc0_mode' and
2230 `this_insn_cc0' in macro HAVE_cc0.
2232 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
2233 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
2234 (output_uleb128): Likewise.
2235 (output_sleb128): Likewise.
2236 (output_cfi): Likewise.
2237 (output_call_frame_info): Remove unused variables `j', `fde_size'
2239 (comp_unit_has_inlines): Hide declaration as per rest of file.
2240 (size_of_line_prolog): Correct typo in prototype.
2241 (add_arange): Likewise.
2242 (output_aranges): Likewise.
2243 (add_name_and_src_coords_attributes): Likewise.
2244 (gen_array_type_die): Likewise.
2245 (gen_inlined_subroutine_die): Likewise.
2246 (equate_decl_number_to_die): Remove unused variable `i'.
2247 (print_die): Reconcile format vs. args in fprintf's.
2248 (print_dwarf_line_table): Likewise.
2249 (output_die): Likewise.
2250 (output_line_info): Likewise.
2251 (add_subscript_info): Avoid an empty body in an else-statement.
2252 (gen_subprogram_die): Remove unused variable `fp_loc'.
2254 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
2255 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
2256 macro. Protect `src_coords_attribute' prototype with
2257 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
2258 prototype as in the rest of the file. Likewise for
2259 `output_pointer_type_die' and `output_reference_type_die'. Remove
2260 prototype for `type_of_for_scope'.
2261 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
2262 (type_attribute): Add explicit braces to avoid ambiguous `else'.
2264 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
2265 (shorten_branches): Protect declaration of tmp_length with
2266 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
2267 (profile_function): Protect declaration of `sval' and `cxt'
2268 variables with appropriate macros.
2269 (final_scan_insn): Likewise for `note' variable. Add explicit
2270 braces to avoid empty body in an if-statement.
2271 (output_asm_insn): Move variable `i' inside macro conditional
2272 where it is used. Add parentheses around assignment used as truth
2274 (asm_fprintf) Likewise, likewise.
2276 * fix-header.c (main): Remove unused variable `done'. Protect
2277 declaration of `i' with FIXPROTO_IGNORE_LIST.
2279 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
2281 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
2284 * profile.c: Include <string.h>/<strings.h>.
2285 (instrument_arcs): Remove unused variables `note', `inverted',
2286 `zero' and `neg_one'.
2287 (branch_prob): Avoid empty body in an if-statement.
2289 * regclass.c: Include <stdlib.h>.
2290 (reg_alternate_class): Explicitly declare parameter `regno'.
2292 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
2293 parentheses around assignment used as truth value.
2294 (find_matches): Remove unused variables `output_operand' and
2296 (fixup_match_1): Remove statement with no effect: "if (0) ;".
2298 * scan.c (sstring_append): Explicitly declare `count' as int.
2299 (scan_string): Explicitly declare parameter `init' as int.
2301 * sched.c: Include <stdlib.h>.
2302 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
2303 (rank_for_schedule): Add parentheses around assignment used as
2305 (schedule_block): Likewise.
2306 (regno_use_in): Likewise.
2307 (schedule_insns): Remove unused variable `i'.
2309 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
2310 (v_message_with_decl): Remove unused variable `n'.
2311 (botch): Explicitly declare parameter `s' as char *.
2312 (main): Add parentheses around assignment used as truth value.
2314 * tree.c (make_node): Protect the variable `kind' with the
2315 GATHER_STATISTICS macro.
2316 (real_value_from_int_cst): Move variable `e' inside conditional
2317 macro area where it is used.
2318 (tree_last): Add parentheses around assignment used as truth value.
2319 (build1): Protect the variable `kind' with the GATHER_STATISTICS
2321 (print_obstack_statistics): Reconcile format vs. args in fprintf.
2322 Protect variables `i', `total_nodes', and `total_bytes' with the
2323 GATHER_STATISTICS macro.
2325 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
2327 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
2328 some comments regarding use of dead_or_set_p.
2330 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
2332 * fixincludes: Tweak fix for struct exception in math.h
2334 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
2336 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
2337 Change mode of registers used to add/sub from
2338 hard_frame_pointer_rtx from word_mode to Pmode.
2340 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
2342 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
2343 asm_output_aligned_bss() instead of asm_output_bss().
2345 * toplev.c (rest_of_compilation): Replace references to
2346 stack_reg_dump_file and dbr_sched_dump_file with references to
2349 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2351 * tlink.c (scan_linker_output): Call fclose() for opened files.
2353 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
2355 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
2356 compiling with -fpic -- we want to be able to override symbols
2358 (alpha_expand_block_move): Fix thinko in last change.
2360 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
2361 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
2362 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
2364 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
2366 * alpha.md (abssf, absdf): Revert last change.
2368 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
2370 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
2371 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
2373 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
2375 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
2376 a CONST_INT into SFmode.
2378 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
2380 * flags.h: New flag (optimize_size).
2381 * toplev.c (main): Parse -Os option and set optimize_space
2383 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
2384 __OPTIMIZE_SIZE__ when compiling with -Os.
2385 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
2386 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
2387 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
2389 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
2391 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
2393 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
2394 stuff only if MCT_TEXT is #define'd.
2396 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
2398 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
2401 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
2403 * toplev.c: Add -dM command line option to dump RTL after the
2404 machine dependent reorganisation pass, if there is one.
2405 Reorganise RTL dump code, so that only one file handle is
2408 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2410 * except.c (check_exception_handler_labels): Disable warning when
2413 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
2415 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
2417 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2419 * c-decl.c (grokdeclarator): Get parameter tags from
2420 last_function_parm_tags.
2421 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
2422 traversing the parameter types.
2423 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
2425 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
2427 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
2429 (get_shift_alg): Fix typo.
2431 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
2433 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
2435 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
2437 * toplev.c (get_run_time): Make sure each case gets its variables.
2439 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
2441 * configure.in (build_xm_file): Add auto-config.h if host=build.
2442 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
2443 (build_xm_file_list): Likewise.
2444 * configure: Rebuild.
2446 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2448 * recog.c (validate_replace_rtx_1): Only perform substitutions
2449 of arguments to commutative and comparison operators once.
2451 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2453 * sparc.c (output_cbranch): Add default case in
2456 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
2457 (emit_delay_sequence): Eliminate unused parameter, all callers
2459 (fill_simple_delay_slots): Likewise.
2460 (fill_slots_from_thread): Likewise.
2461 (fill_eager_delay_slots): Likewise.
2462 (mark_referenced_resources): Add default case in enumeration switch.
2463 (mark_set_resources): Likewise.
2464 (rare_destination): Likewise.
2465 (mostly_true_jump): Likewise.
2466 (find_dead_or_set_registers): Likewise.
2467 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
2468 (update_reg_unused_notes): Remove unused variable `p'.
2469 (mark_target_live_regs): Remove unused variables `next' and
2471 (fill_simple_delay_slots): Remove unused variable `j'.
2472 (fill_slots_from_thread): Add parentheses around assignment used
2474 (dbr_schedule): Likewise.
2476 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
2477 (objc.stage2, objc.stage3, objc.stage4): Likewise.
2479 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
2481 * cse.c (simplify_ternary_operation): Don't try to simplify
2482 IF_THEN_ELSE expressions (created by combine) that don't use
2483 relational operators.
2485 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
2487 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
2490 * crtstuff.c (init_dummy): Keep the epilogue in the init
2491 section for non-ELF systems.
2493 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2495 * sh.md (movqi_i+1): New peephole.
2497 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
2499 * Makefile.in: Remove remaining bytecode stuff.
2500 * emit-rtl.c, expr.c: Likewise.
2502 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
2504 * toplev.c (lang_options): Add unknown-pragma options.
2506 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
2508 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
2509 special (and incomplete) handling for Chill arrays.
2511 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
2513 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
2516 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
2518 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
2520 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
2522 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
2523 .frame directive instead of FRAME_POINTER_REGNUM.
2525 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
2527 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
2528 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
2529 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
2530 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
2531 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
2532 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
2533 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
2534 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
2536 * longlong.h: Replace __mc68332__ with __mcpu32__.
2538 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
2540 * version.c: Bump for snapshot.
2542 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
2544 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
2545 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
2546 * reload1.c (eliminate_regs): Likewise.
2548 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
2550 * regmove.c (find_matches): Initialize matches->earlyclobber too.
2552 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
2554 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
2555 (negsf2, negdf2): Use proper subtract in IEEE mode.
2557 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
2559 * Makefile.in: Remove more bytecode stuff.
2560 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
2561 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
2562 * f/install.texi, objc/Make-lang.in: Likewise.
2564 * Makefile.in: Remove all bytecode support.
2565 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
2566 * emit-rtl.c: Remove all bytecode support.
2567 * expr.c, expr.h function.c, integrate.c: Likewise.
2568 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
2569 * tree.h, varasm.c: Likewise.
2570 * config/m68k/m68k.h: Likewise.
2571 * bi-*, bc-*, bytecode*: Delete bytecode related files.
2572 * modemap.def: Likewise.
2574 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
2576 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
2577 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
2579 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
2581 * i386.md (push): Prohibit symbolic constants if flag_pic.
2582 (movsi+1): Likewise for move to non-register.
2584 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
2586 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
2587 (print_operand): Handle 0xffffffff on 32 bit host.
2589 * configure.in (thread_file): Rename uses before main loop to
2590 target_thread_file. Initialize to empty in main loop. Set thread_file
2591 to target_thread_file after main loop if not set.
2592 * configure: Rebuild.
2594 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
2595 (add_values_to_cover): Revert last change (which had no ChangeLog
2597 (simplify_with_current_value_aux): Handle CONST_INT.
2599 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2601 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
2603 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
2605 * configure.in: Add cpp stringify test.
2606 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
2607 * gengenrtl.c: Use it.
2608 * configure, config.in: Rebuild.
2610 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2612 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
2614 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
2616 * configure.in: Find declaration for sbrk.
2617 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
2618 * config.in, configure: Rebuild.
2619 * mips-tfile.c: Properly protect declaration of sbrk and free.
2620 * toplev.c: Properly protect declaration of sbrk.
2622 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
2624 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
2626 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
2628 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
2630 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
2632 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
2634 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
2636 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
2637 constant offset computations from objects with known alignment in
2638 the presence of STACK_BIAS.
2640 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
2642 (const_hash): Hash val is unsigned long.
2643 (SYMHASH): Likewise.
2645 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
2647 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
2648 char pointer, not HOST_WIDE_INT.
2649 (print_node): Likewise. Also hash is unsigned long not
2652 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
2654 * explow.c (optimize_save_area_alloca): New function for targets
2655 where SETJMP_VIA_SAVE_AREA is true.
2656 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
2657 compute the amount of stack space needed should we find later that
2658 setjmp is never called by this function, stuff rtl for this inside
2659 a REG_NOTE of the final SET of stack_pointer_rtx.
2660 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
2661 current_function_calls_alloca, call optimize_save_area_alloca.
2663 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
2665 * i386.md: Remove redundant integer push patterns.
2666 Don't bother checking for TARGET_PUSH_MEMORY when
2667 pushing constants or registers.
2669 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2670 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
2672 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
2673 (pwait): New function for mingw32.
2675 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
2676 pipe support is broken for now.
2678 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
2680 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
2681 between frame_pointer_rtx, hard_frame_pointer_rtx, and
2682 arg_pointer_rtx is respected in initialization.
2683 (init_emit_once): Use gen_rtx_raw_REG() to create
2684 return_address_pointer_rtx.
2686 * reorg.c: #include "expr.h" for rtx prototypes.
2687 * Makefile.in (reorg.o): Depend on expr.h
2689 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
2691 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
2692 local_prefix to sub-make invocations.
2694 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
2696 * objc-parse.c: Recognize protocol qualifiers in class definitions.
2698 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
2702 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
2703 * configure.in: Check for atol.
2704 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
2706 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
2708 * loop.c (find_and_verify_loops): When attempting to move insns from
2709 inside the loop outside the loop, create a BARRIER if no suitable
2712 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
2713 favor of an equivalent change from gcc-2.8.
2715 * i386/x-sco5 (CC): Remove trailing whitespace.
2717 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2719 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
2720 (accessor_from_format): Likewise.
2721 (xmalloc): New function for use when linking with alloca.o.
2723 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2725 * frame.c (find_fde): Correct FDE's upper bound.
2727 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
2729 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
2731 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
2733 * calls.c (expand_call): Move #ifdef code out of macro argument
2735 (emit_library_call, emit_library_call_value): Likewise.
2737 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
2739 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
2741 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
2743 * version.c: Bump for snapshot.
2745 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
2747 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
2748 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
2749 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
2750 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
2751 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
2752 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
2753 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
2754 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
2755 * unroll.c, varasm.c: Likewise.
2756 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
2758 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
2760 * mips.h: Fix some type-o's from a previous change.
2762 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
2764 * loop.c (check_dbra_loop): Make sure initial value is a
2765 CONST_INT before trying to normalize it.
2767 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
2769 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
2771 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
2773 * cppexp.c: Include gansidecl.h
2775 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
2777 * svr4.h (LINK_SPEC): Never specify -h.
2778 * ptx4.h (LINK_SPEC): Likewise.
2779 * rs6000/sysv4.h (LINK_SPEC): Likewise.
2780 * sparc/sol2.h (LINK_SPEC): Likewise.
2782 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
2784 * c-typeck.c (comptypes): Exit early on NULL input.
2786 * haifa-sched.c (schedule_insns): Correctly remove inter-block
2787 dependencies after reload.
2789 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2791 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
2793 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
2795 * alpha/vms.h (DIR_SEPARATOR): define
2797 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2799 * Makefile.in (stamp-proto): Remove.
2800 (protoize.o, unprotoize.o): Straightforward compile.
2801 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
2803 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2805 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
2806 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
2808 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
2810 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
2811 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
2812 * sparc/netbsd.h, vax/netbsd.h: Likewise.
2814 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
2816 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
2818 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
2820 * configure.in (target_cpu_default, target_cpu_default2): Use double
2821 quotes around them when testing their value.
2822 * configure: Rebuilt.
2824 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2826 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2828 (gendef): Call obstack_alloc_rtx.
2830 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2832 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2835 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2837 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2838 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2839 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2841 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2843 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2845 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2847 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2850 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2852 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2853 suffix from operand 3.
2855 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2856 Jeffrey A Law (law@cygnus.com)
2858 * regmove.c: New implementation of regmove pass.
2859 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2860 decls, make them have external linkage. Return a value from
2861 optimize_reg_copy_1.
2862 * reload.h (count_occurrences): Add decl.
2863 * reload1.c (count_occurrences): Delete decl, make it have external
2865 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2867 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2869 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2870 if it is not defined.
2872 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2874 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2875 * emit-rtl.c (gen_rtx): Move special code to ...
2876 (gen_rtx_CONST_INT): New function.
2877 (gen_rtx_REG): New function.
2878 (*): Update all calls to gen_rtx.
2879 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2880 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2881 (GEN_INT): Call gen_rtx_CONST_INT.
2882 * gengenrtl.c: New file.
2884 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2886 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2887 (base_alias_check): If no base found for address call canon_rtx and
2890 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2892 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2893 arguments for mips16.
2894 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2895 Don't lose if tsize is zero after handling large stack for mips16.
2896 * mips.md (return): For trivial return, return address is in $31.
2898 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2900 * mips/mips16.S: Various changes to make it work with -msingle-float
2903 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2904 Ian Lance Taylor <ian@cygnus.com>
2905 Jeff Law <law@cygnus.com>
2907 * mips.c, mips.h, mips.md: First cut at merging in mips16
2908 support. Major modifications throughout all three files.
2910 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2912 * configure.in: Make gthr-default.h a forwarding header instead of
2915 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2917 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2919 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2921 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2922 Jeffrey A Law (law@cygnus.com)
2924 * crtstuff.c (__frame_dummy): New function for irix6.
2925 (__do_global_ctors): Call __frame_dummy for irix6.
2926 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2928 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2930 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2932 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2934 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2935 for __builtin_memset.
2936 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2937 not INTEGER_CST. Assert arg 3 is a constant.
2939 * alpha.c (mode_width_operand): Accept 64-bit modes.
2940 (mode_mask_operand): Likewise.
2941 (print_operand): Likewise for 'M' and 'U' codes.
2942 (alpha_expand_unaligned_load): New function.
2943 (alpha_expand_unaligned_store): Likewise.
2944 (alpha_expand_unaligned_load_words): Likewise.
2945 (alpha_expand_unaligned_store_words): Likewise.
2946 (alpha_expand_block_move): Likewise.
2947 (alpha_expand_block_clear): Likewise.
2948 * alpha.h (MOVE_RATIO): New define.
2949 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2950 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2952 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2953 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2955 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2957 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2958 * configure: Update.
2960 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2962 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2963 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2965 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2968 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2970 * configure.in: Set and subsitute host_exeext. Use it when creating
2971 the assembler and linker symlinks.
2972 * configure: Rebuild.
2973 * Makefile.in (exeext): Set to @host_exeext@.
2974 (build_exeext): New variable, set to @build_exeext@.
2975 (FLAGS_TO_PASS): Pass down build_exeext.
2976 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2979 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2981 * mn10200.md (addsi3, subsi3): Fix thinkos.
2983 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2985 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2986 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2987 unix always, since we want to be able to thunk to functions in a
2988 shared library from an application.
2990 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2992 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2993 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2995 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2997 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2998 offset's mode is not ptr_mode, convert it.
3000 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
3002 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
3003 compiling if it was already defined.
3005 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
3007 * flow.c (find_basic_blocks): Don't create a new basic block
3008 for calls in a LIBCALL block.
3010 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
3012 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
3014 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
3016 * cse.c (rtx_cost): Remove conflicting default case.
3018 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
3020 * configure.in: Move default enabling of Haifa out of for loop.
3021 * configure: Rebuild.
3023 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
3025 * version.c: Bump for snapshot.
3027 1997-12-25 Teemu Torma <tot@trema.com>
3029 * Makefile.in (GTHREAD_FLAGS): New var.
3030 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
3031 (distclean): Remove gthr-default.h.
3033 * configure.in: Accept dce as a thread package.
3034 Check for thread.h and pthread.h.
3035 Link gthr-default.h to appropriate thread file and set
3037 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
3038 include multilib definitions from pa/t-dce-thr.
3039 (sparc-*-solaris2*): Enable threads by default, if thread.h or
3040 pthread.h is found, preferring posix threads over solaris ones.
3042 * config/pa/t-dce-thr: New file.
3043 * config/pa/t-pa: Removed multilibs.
3044 * config/sparc/t-sol2: Ditto.
3047 * gthr-single.h: New file.
3048 * gthr-posix.h: New file.
3049 * gthr-solaris.h: New file.
3050 * gthr-dce.h: New file.
3051 * libgcc-thr.h: Removed.
3052 * objc/thr-dce.c: New file copied from thr-decosf1.c.
3054 * frame.c: Include gthr.h instead of libgcc-thr.h.
3055 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
3056 (eh_context_initialize): If __gthread_once fails, use static eh
3058 (eh_context_free): Call __gthread_key_dtor.
3060 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
3062 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
3064 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
3066 * cse.c (max_insn_uid): New variable.
3067 (cse_around_loop): Use max_insn_uid.
3068 (cse_main): Set max_insn_uid.
3070 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
3071 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
3072 -mlong64, and -mgp{32,64} options.
3073 * mips.c (mips_abi): Change type to int.
3074 * mips.h (enum mips_abi_type): Delete.
3075 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
3076 (mips_abi): Change type to int.
3078 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
3080 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
3081 optimization is now always enabled.
3083 * calls.c (expand_call): Recognize C++ operator new as malloc-like
3086 * alias.c (memrefs_conflict_p): Eliminate tests now done by
3088 (*_dependence): Call canon_rtx before base_alias_check.
3089 (init_alias_once): New function to precompute set of registers which
3090 can hold Pmode function arguments.
3092 * rtl.h: Declare init_alias_once.
3094 * toplev.c (compile_file): Call init_alias_once.
3096 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
3098 * tree.c (restore_tree_status): Do not dereference a null pointer.
3100 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
3102 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
3103 RLIMIT_STACK. This maintains consistency with the recent, similar
3104 patch to cccp.c and toplev.c.
3106 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
3108 * genattrtab.c (expand_units): For large nr opclasses, expand
3109 function_units_used with ORX to prevent blowups. Tag with FFS.
3110 (num_unit_opclasses): New variable.
3111 (gen_unit): Update it.
3112 (enum operator): Add ORX_OP.
3113 (operate_exp): Treat ORX as or, except don't expand across an if.
3114 Reuse number rtx's after operating on them.
3115 (check_attr_value): Accept IOR, AND, & FFS.
3116 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
3117 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
3118 (write_expr_attr_cache, write_toplevel_expr): New functions.
3119 (write_attr_get): Handle FFS-tagged expressions.
3120 (make_canonical): Don't expand const attributes.
3121 (convert_const_symbol_ref): Dike out.
3122 (evaluate_eq_attr): Handle SYMBOL_REF.
3123 (main): Don't emit get_attr_foo for const attributes.
3125 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
3126 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
3127 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
3128 * alpha.md: Redo all of the scheduling, adding EV6 support, and
3129 combining function units where possible.
3130 (attr "type"): Split loads, stores, cmov into int/fp. Combine
3131 multiplies and divides. Add EV6 sqrt, ftoi, itof.
3132 (attr "opsize"): New attribute.
3133 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
3134 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
3135 to control register allocation.
3136 (movsi2-1, movdi2-1): Likewise.
3138 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
3140 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
3141 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
3142 Move OSF/1 specific defines out.
3143 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
3144 Move Linux specific defines out.
3145 (LINK_SPEC): Genericize.
3146 (ASM_FILE_START): Emit .arch if using more than the base insn set.
3147 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
3148 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
3149 (HANDLE_SYSV_PRAGMA): Define.
3150 * alpha/osf.h: New file.
3151 * alpha/linux.h: Split. Retain file-format independant defines.
3152 Import Linux bits from elf.h.
3153 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
3154 (FUNCTION_PROFILER): _mcount takes its address in $28.
3155 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
3156 * alpha/linux-ecoff.h: New file.
3157 * alpha/linux-elf.h: New file.
3158 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
3159 * alpha/win-nt.h (TARGET_DEFAULT): Define.
3160 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
3161 Add new headers as appropriate.
3163 * configure.in (alpha*): Enable Haifa by default.
3164 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
3165 * configure: Rebuild.
3167 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
3169 * Makefile.in (clean): Remove the stages with their objects here ...
3170 (distclean): ... instead of here.
3172 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * cse.c (rtx_cost): Add default case in enumeration switch.
3175 * fix-header.c (recognized_macro): Likewise.
3176 (recognized_extern): Likewise.
3177 (write_rbrac): Likewise.
3178 * objc/objc-act.c (encode_aggregate): Likewise.
3179 (gen_declarator): Likewise.
3180 (gen_declspecs): Likewise.
3182 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
3184 * haifa-sched.c (create_reg_dead_note): Detect and handle another
3185 case where we kill more regs after sched than were killed before
3187 * sched.c (create_reg_dead_note): Similarly.
3189 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
3191 * c-pragma.c: Include flags.h.
3193 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
3195 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
3196 about system headers.
3197 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
3198 and also to resolve symbols in prefix.c.
3200 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
3201 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
3202 when the definitions in auto-config.h is not visible.
3203 (HAVE_BZERO): Likewise.
3204 (HAVE_BCMP): Likewise.
3205 (HAVE_RINDEX): Likewise.
3206 (HAVE_INDEX): Likewise.
3208 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
3210 * pa.c (emit_move_sequence): Handle a function label source
3213 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
3215 * c-pragma.c (handle_pragma_token): Generate warning messages
3216 about unknown pragmas if warn_unknown_pragmas is set.
3218 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
3219 line option to set variable: warn_unknown_pragmas.
3221 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
3223 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
3225 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
3227 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
3229 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
3230 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
3231 generate more fine grained floating point emulation libraries.
3232 * config/fp-bit.c: Add protecting #ifdef to all functions so
3233 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
3234 then compile all suitable functions.
3235 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
3236 underscores to avoid namespace pollution.
3237 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
3239 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
3243 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3244 Jeff Law <law@cygnus.com>
3246 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
3248 * c-decl.c (finish_decl): Use parentheses around && within ||.
3249 * rtl.c: Include stdlib.h.
3250 (read_skip_spaces): Add parentheses around assignments used as
3252 (read_rtx): Initialize list_rtx.
3253 * cppexp.c (parse_number): Use || when operands are truth values.
3254 * alias.c (find_base_value): Add default case.
3255 (memrefs_conflict): Likewise.
3256 * combine.c (sets_function_arg_p): Likewise.
3257 * genemit.c (gen_exp): Likewise.
3258 * local-alloc.c (contains_replace_regs): Likewise.
3259 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
3260 * fold-const.c (fold_convert): Use "&&" for truth values.
3261 (fold): Add default case.
3262 * sdbout.c (sdbout_field_types): Fix typo in declaration.
3263 (sdbout_one_type): Add default case.
3264 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
3265 (some_operand): Add default case.
3266 (input_operand): Likewise.
3267 (signed_comparison_operator): Likewise.
3268 (divmod_operator): Likewise.
3269 (alpha_set_memflags_1): Likewise.
3270 * reload1.c (reload_cse_simplify_operands): Ensure function
3271 always returns a value.
3272 * scan-decls.c (scan_decls): Likewise.
3273 * c-lex.c (skip_white_space): Fix typo in declaraion.
3274 * c-typeck.c (comp_target_types): Add parentheses around assignment
3275 used as truth value.
3276 (print_spelling): Likewise.
3277 (constructor_implicit, constructor_result): Remove unused variables.
3278 * collect2.c (scan_library): Protect prototype with
3279 #ifdef SCAN_LIBRARIES.
3280 * emit-rtl.c (find_line_note): Fix typo in declaration.
3281 * final.c (asm_insn_count): Protect prototype with
3282 #ifdef HAVE_ATTR_length.
3283 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
3284 (try_pre_increment_1, try_pre_increment): Likewise.
3285 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
3286 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
3287 * gcov-io.h (__store_long, __write_long, __read_long): Fix
3288 unsigned/signed comparisons.
3289 * gcov.c (read_files): Remove unused "first_type" variable.
3290 (scan _for_source_files): Initialize s_ptr.
3291 (function_summary): Eliminate "%lf" formatting, use %ld for
3293 (output_data): Initialize branch_probs and last_line_num.
3294 Eliminate "%lf" formatting, use "%ld" for longs.
3296 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
3298 * mips16.S: New file.
3300 * libgcc2.c (varargs): Handle mips16.
3302 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
3304 * stmt.c (expand_end_case): Likewise.
3305 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
3306 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
3307 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
3309 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3311 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
3312 the build directory.
3313 (libobjc.a): Update dependency list.
3314 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
3316 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
3317 (objc.mostlyclean): Remove runtime-info.h.
3319 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
3321 * tree.c (build_range_type): Allow creation of ranges with no maximum.
3322 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
3323 * dwarf2out.c (add_subscript_info): Likewise.
3324 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
3325 * sdbout.c (plain_type_1): Likewise.
3326 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
3328 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
3331 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * mips.c (fatal): Remove declaration.
3335 1997-12-18 Mark Mitchell <mmitchell@usa.net>
3337 * integrate.c (get_label_from_map): New function.
3338 (expand_inline_function): Use it. Initialize the label_map to
3339 NULL_RTX instead of gen_label_rtx.
3340 (copy_rtx_and_substitute): Use get_label_from_map.
3341 * integrate.h (get_label_from_map): New function.
3342 (set_label_from_map): New macro.
3343 * unroll.c (unroll_loop): Use them.
3344 (copy_loop_body): Ditto.
3346 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
3348 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
3349 (INIT_TARGET_OPTABS): Define.
3350 * mips/ecoff.h: Include gofast.h before mips.h.
3351 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
3352 * mips/elf64.h: Likewise.
3353 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
3355 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
3357 * except.c: Remove register_exception_table{,_p}.
3359 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
3361 * unroll.c (calculate_giv_inc): Handle constant increment found in
3362 a MEM with an appropriate REG_EQUAL note.
3364 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
3366 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
3367 frame pointer in the prologue.
3369 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
3371 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
3372 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
3374 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
3376 * config/m68k/m68k.c (output_function_prologue): Typecast
3377 dwarf2out_cfi_label to (char *).
3378 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
3380 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
3382 * sparc.md (jump): Don't use the annul bit around an empty loop.
3383 Patch from Kevin.Kelly@East.Sun.COM.
3385 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
3387 * jump.c: (jump_optimize): Don't use the return register as a
3388 source1 of a conditional move.
3390 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
3392 * sparc.c (DF_MODES): Or the mask not the bit number.
3393 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
3395 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3397 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
3399 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
3401 * fixincludes (size_t): Add support for Motorola's stdlib.h
3402 which fails to provide a definition for size_t.
3403 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
3404 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
3405 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
3407 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
3408 prevent unresolved externals in libio.
3409 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
3411 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
3413 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
3414 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
3415 (LIB_SPEC): Updated for glibc 2.
3417 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
3419 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
3420 * ginclude/varargs.h: Likewise.
3422 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
3424 * version.c: Bump for snapshot.
3426 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
3428 * frame.h (__register_frame, __register_frame_table,
3429 __deregister_frame): New.
3430 * frame.c (__register_frame, __register_frame_table,
3431 __deregister_frame): New.
3432 * frame.c (__deregister_frame_info): Return void *.
3433 * frame.h (__deregister_frame_info): Ditto.
3434 * collect2.c (__deregister_frame_info): Ditto.
3436 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
3438 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
3440 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
3442 * alpha.c (alpha_cpu_name): New variable.
3443 (alpha_mlat_string): Likewise.
3444 (alpha_memory_latency): Likewise.
3445 (override_options): Handle -mmemory-latency.
3446 (alpha_adjust_cost): Adjust load cost for latency.
3447 * alpha.h (TARGET_OPTIONS): Add meory-latency.
3448 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
3449 TARGET_CIX into account.
3450 (MEMORY_MOVE_COST): Define in terms of memory_latency.
3451 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
3453 * alpha.h (ASM_COMMENT_START): New macro.
3455 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
3457 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
3458 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
3460 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
3461 SUBREG_REG if the word count is unchanged.
3462 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
3463 subregs of identical word size for push_reload.
3465 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
3467 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
3468 if all we're doing is dealing with -Wreturn-type.
3470 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
3472 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
3473 Use and 255 instead of zapnot 1, since it schedules better.
3475 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
3477 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
3480 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
3482 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
3483 dependency we delete. Properly update prev for multiple consecutive
3485 (priority): Skip deleted dependence.
3487 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
3489 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
3491 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3493 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
3494 determining when a new basic block starts.
3496 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
3498 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
3499 * pa.md (iorsi3): Add missing args to *_operand calls.
3501 * except.c (call_get_eh_context): Don't mess with sequences.
3502 (emit_eh_context): Include the call in the sequence here.
3504 1997-12-11 Paul Eggert <eggert@twinsun.com>
3506 * collect2.c (write_c_file_glob): Allocate initial frame object
3507 in static storage and pass its address.
3509 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3511 * except.c (call_get_eh_context): Don't take a parm.
3512 Put the call at the top of the function.
3513 (emit_eh_context): Adjust.
3514 (get_eh_context): Replace with former use_eh_context.
3515 (get_eh_context_once, get_saved_pc_ref): Remove.
3516 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
3518 * integrate.c (expand_inline_function): Adjust.
3519 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
3521 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
3523 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
3524 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
3526 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
3528 * fixincludes (strlen,strspn,strcspn return value): Handle different
3530 (hypot): Provide a fake for hypot which is broken on
3531 m88k-motorola-sysv3.
3533 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
3535 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
3536 tree_code_name from pointers to arrays.
3537 * tree.c: Remove standard_tree_code_* variables, no longer used.
3538 * print-tree.c: Remove declaration of tree_code_name.
3540 * cp/lex.c (init_lex): Update for tree_code_* changes.
3541 * objc/objc-act.c (init_objc): Likewise.
3543 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
3546 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
3548 * config.sub: Add support for BeOS target.
3549 * configure.in: Likewise.
3550 * ginclude/stdarg.h: Likewise.
3551 * ginclude/stddef.h: Likewise.
3552 * ginclude/varargs.h: Likewise.
3553 * rs6000/beos.h: New file for BeOS.
3554 * rs6000/t-beos: Likewise.
3555 * rs6000/x-beos: Likewise.
3556 * rs6000/xm-beos.h: Likewise.
3557 * toplev.c (get_run_time): Just return 0 on BeOS.
3559 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
3560 Toon Moene (toon@moene.indiv.nluug.nl)
3562 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
3563 old and broken Sun3 assemblers. Newer versions handle large
3564 offsets correctly as does the GNU assembler.
3566 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3568 * objc/objc-act.c (lang_report_error_function): Disable.
3569 * objc/objc-parse.y: Include "output.h".
3570 (yyerror): Remove redundant decl.
3571 (yyprint): Fix prototype.
3572 (apply_args_register_offset): Remove redundant decl.
3573 (get_file_function_name): Likewise.
3575 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
3577 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
3579 (find_basic_blocks_1): Likewise.
3581 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3583 * except.c (use_eh_context): Don't copy_rtx a REG.
3584 (emit_throw): Lose old unwinder support.
3585 (expand_internal_throw): Likewise.
3586 * libgcc2.c (struct eh_context): Likewise.
3587 (new_eh_context): Likewise.
3588 (__get_eh_info): Lose redundant cast.
3589 (__get_dynamic_handler_chain): Likewise.
3590 (__get_saved_pc): Lose.
3591 Lose all old unwinder support code.
3593 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
3595 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
3597 * integrate.c (expand_inline_function): If the inline fn uses eh
3598 context, make sure that the current fn has one.
3599 * toplev.c (rest_of_compilation): Call emit_eh_context.
3600 * except.c (use_eh_context): New fn.
3601 (get_eh_context_once): New fn.
3602 (call_get_eh_context): New fn.
3603 (emit_eh_context): New fn.
3604 (get_eh_context): Call either get_eh_context_once or
3605 call_get_eh_context, depending on what we have.
3606 (get_dynamic_handler_chain): Call get_eh_context_once.
3607 * except.h: Prototypes for fns above.
3608 * optabs.c (get_eh_context_libfunc): Removed.
3609 (init_optabs): Don't initialize it.
3610 * expr.h (get_eh_context_libfunc): Removed.
3611 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
3612 * config/pa/pa.h (CPP_SPEC): Support for -threads.
3613 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
3614 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
3615 New multilib for -threads.
3616 * config/sparc/t-sol2: Added multilibs for -threads and
3617 made -pthreads alias to it.
3618 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
3619 Added -threads and -pthreads options.
3620 * libgcc-thr.h: New file.
3621 * libgcc2.c: (__get_cpp_eh_context): Removed.
3622 (struct cpp_eh_context): Removed.
3623 (struct eh_context): Replaced cpp_eh_context with generic language
3625 (__get_eh_info): New function.
3626 (__throw): Check eh_context::info.
3628 * libgcc2.c: Include libgcc-thr.h.
3629 (new_eh_context, __get_eh_context,
3630 eh_pthread_initialize, eh_context_initialize, eh_context_static,
3631 eh_context_specific, eh_context_free): New functions.
3632 (get_eh_context, eh_context_key): New variables.
3633 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
3634 get_eh_context to get the context.
3635 (longjmp): Move the declaration inside
3636 #ifdef DONT_USE_BUILTIN_SETJMP.
3637 * frame.c: Include libgcc-thr.h.
3638 (object_mutex): Mutex to protect the object list.
3639 (find_fde, __register_frame, __register_frame_table,
3640 __deregister_frame): Hold the lock while accessing objects.
3641 * except.h (get_eh_context): Declare.
3642 * except.c (current_function_ehc): Define.
3643 (current_function_dhc, current_function_dcc): Removed.
3644 (get_eh_context): New function.
3645 (get_dynamic_handler_chain): Use get_eh_context.
3646 (get_saved_pc_ref): Ditto.
3647 (get_dynamic_cleanup_chain): Removed references to
3648 current_function_dcc.
3649 (save_eh_status, restore_eh_status): Save and restore
3650 current_function_ehc instead.
3651 * optabs.c (get_eh_context_libfunc): New variable.
3652 (init_optabs): Initialize it.
3653 * expr.h: Declare get_eh_context_libfunc.
3654 * function.h (struct function): Replaced dhc and dcc with ehc.
3655 * except.c (get_saved_pc_ref): New functions.
3656 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
3657 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
3659 (end_eh_unwinder): Likewise.
3660 (init_eh): Remove initialization of eh_saved_pc.
3661 * optabs.c (get_saved_pc_libfunc): New variable.
3662 (init_optabs): Initialize it.
3663 * expr.h: Declare get_saved_pc_libfunc.
3664 * except.h (eh_saved_pc_rtx): Deleted.
3665 (get_saved_pc_ref): Declared.
3667 From Scott Snyder <snyder@d0sgif.fnal.gov>:
3668 * libgcc2.c (__get_saved_pc): New.
3669 (__eh_type, __eh_pc): Deleted.
3670 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
3671 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
3674 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
3676 * sparc/sol2.h: Use 64 bit multiply and divide functions in
3677 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
3680 * rtl.h (global_rtl): New variable, replacing separate variables for
3682 (const_int_rtx): Now array of rtx_def, not rtx.
3683 * emit-rtl.c: Update for new rtl data structures.
3684 * genattrtab.c: Define global_rtl.
3686 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
3688 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
3691 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
3693 * crtstuff.c (__do_global_ctors): Fix typo.
3695 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
3697 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3698 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3700 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
3702 * rs6000.h (FUNCTION_ARG_PADDING): Define.
3703 * rs6000.c (function_arg_padding): New function.
3705 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
3707 * m68k.c: Include tree.h only once.
3709 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3711 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
3713 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
3715 * Partially cleaned up prototyping code from HJ.
3716 * tree.h: Add many prototypes.
3717 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
3718 All references changed.
3719 * rtl.h: Protect from multiple inclusions. Add many prototypes.
3721 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
3723 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
3724 string functions like strlen.
3726 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
3728 * configure.in: Check for functions getrlimit and setrlimit.
3729 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
3730 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
3732 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
3734 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
3736 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
3738 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
3741 * alpha.c (override_options): Don't know about scheduling for EV6.
3742 * alpha.md (ev5 function units): Don't overload as ev6.
3744 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
3745 * alpha.md (define_attr type): Add mvi.
3746 (ev5_e0): Define sceduling parameters for it.
3747 (TARGET_MAX insns): Type is mvi not shift.
3749 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
3751 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
3753 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3755 * cstamp-h, auto-config.h: Delete.
3757 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
3759 * version.c: Bump for snapshot.
3761 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
3763 * cccp.c: Fix typo brought over in merge.
3765 * Merge in changes from gcc-2.8.
3767 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
3769 * m68k.c: Include tree.h for dwarf2out_cfi_label.
3771 * gcc.c (process_command): Do not take address of function fatal when
3772 calling lang_specific_driver.
3774 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
3776 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
3777 doesn't work with it yet, so set it to 0.
3778 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
3780 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
3782 * cse.c (cse_insn): Check for invalid entries when taking references.
3784 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3786 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
3787 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
3788 * toplev.c (rest_of_compilation): Pass it. Remove code to
3789 save / clear / restore flag_unroll_{,all_}loops.
3791 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3793 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
3795 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
3797 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
3799 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
3801 * except.c (get_dynamic_handler_chain): Only make the call once per
3804 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
3806 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3808 * sh.c (final_prescan_insn): Use local label prefix
3809 when emitting .uses pseudo-ops.
3811 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3813 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
3814 * except.c: Lose outer_context_label_stack.
3815 (expand_eh_region_end): Rethrow from outer_context here.
3816 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
3817 (expand_internal_throw): Take no args.
3818 (expand_internal_throw_indirect): Lose.
3819 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
3820 (expand_start_all_catch): Start a rethrow region.
3821 (expand_end_all_catch): End it.
3822 (expand_rethrow): New fn.
3823 * except.h: Reflect above changes.
3824 * flow.c: Revert change of Nov 27.
3826 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3828 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3830 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3832 * except.c (expand_fixup_region_end): New fn.
3833 (expand_fixup_region_start): Likewise.
3834 (expand_eh_region_start_tree): Store cleanup into finalization here.
3835 * stmt.c (expand_cleanups): Use them to protect fixups.
3837 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3839 * mips/mips.md (muldi3_r4000): Broaden the output template
3840 and attribute assignments to handle three operand dmult;
3841 rename to muldi3_internal2.
3842 (muldi3): Call the new muldi3_internal2 for R4000, and
3843 any GENERATE_MULT3 chip.
3845 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3847 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3849 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3851 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3852 with a dest_reg that was created by loop.
3854 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3856 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3858 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3860 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3862 * configure.in: Fix NCR entries.
3864 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3866 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3867 nested exceptions correctly.
3869 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3870 that was created by loop.
3872 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3874 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3876 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3878 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3880 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3881 (print_operand): Use SMALL_DATA_REG for the register involved in
3882 small data relocations.
3883 (print_operand_address): Ditto.
3885 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3886 -dynamic linker is not used.
3888 * rs6000.md (call insns): For local calls, use @local suffix under
3889 System V. Don't use @plt under Solaris.
3891 * rs6000.c (output_function_profiler): Put label address in r0, and
3892 store LR in 4(sp) for System V/eabi.
3894 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3895 byte boundary, and maintain stack backchain.
3897 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3899 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3900 fix_truncsfdi2): Change *.
3902 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3904 * toplev.c (main): Complain about -gdwarfn.
3906 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3908 * dwarfout.c (output_type): If finalizing, write out nested types
3909 of types we've already written.
3911 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3913 (patches originally from Geoffrey Keating)
3914 * rs6000.c (function_arg): Excess floating point arguments don't
3915 go into GPR registers after exhausting FP registers under the
3917 (function_arg_partial_nregs): Ditto.
3919 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3922 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3924 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3926 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3928 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3931 * libgcc2.c (__throw): Initialize HANDLER.
3933 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3935 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3936 fix_truncsfdi2): Change *X to ?*X.
3938 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3940 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3942 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3944 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3946 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3948 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3950 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3952 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3953 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3956 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3958 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3959 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3960 gas and not using the new HP assembler.
3962 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3964 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3965 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3967 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3969 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3970 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3973 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3975 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3977 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3979 * except.h: Add outer_context_label_stack.
3980 * except.c: Likewise.
3981 (expand_start_all_catch): Push the outer_context for the try block
3982 onto outer_context_label_stack.
3983 (expand_end_all_catch): Use it and pop it.
3985 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3987 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3989 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3991 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3993 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3995 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3996 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3998 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4000 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
4001 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
4002 __builtin_delete, and __builtin_vec_delete.
4004 * except.c (output_exception_table): Don't bother with
4007 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
4009 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
4010 is an in/out operand.
4011 (zero extended variants of stwm/stwm patterns): Similarly.
4013 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
4015 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
4017 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
4019 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
4020 (output_call_frame_info): Emit a \n after using it.
4022 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
4024 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
4026 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
4028 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
4029 (ASM_OUTPUT_DWARF_VALUE4): New macro.
4030 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
4032 (output_call_frame_info): Do not output forward label differences
4033 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
4034 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
4036 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4038 * sh.md (attribute "type"): Add nil.
4039 (movsi_ie): y/y alternative is type nil.
4040 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
4042 (movsf_ie+1): Delete.
4044 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
4046 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
4047 large_int, emit two insns instead of one splitable insn.
4048 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
4049 from cfa_temp_value, use cfa_offset. Add assert checking that
4052 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
4054 * cccp.c (deps_output): Properly quote file names for make.
4056 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
4058 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
4060 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
4062 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
4064 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
4066 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
4068 (cse_end_of_basic_block): Similarly.
4070 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
4072 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4073 (SELECT_RTX_SECTION): Define.
4074 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
4076 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
4078 * Makefile.in (compare, compare-lean): Define $stage for each
4080 (gnucompare, gnucompare-lean): Likewise.
4082 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
4084 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
4086 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
4087 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
4089 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
4091 * dwarfout.c (byte_size_attribute): Add local var upper_bound
4092 and add case to handle STRING_TYPE.
4093 * dwarfout.c (output_string_type_die): Fix code to generate
4094 correct string length attribute for fixed length strings.
4095 Still needs support for varying length strings.
4097 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
4099 * toplev.c (get_run_time): Do something sensible for cygwin32.
4101 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
4103 * expr.c (expand_builtin_setjmp): Set
4104 current_function_has_nonlocal_label.
4105 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
4106 call-saved registers across calls.
4108 * alpha.md (exception_receiver): Remove.
4109 (nonlocal_goto_receiver_osf): New
4110 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
4111 (nonlocal_goto_receiver): New, select _osf or _vms.
4113 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
4114 keep them from being propogated to the object file.
4115 (alpha_write_linkage): Likewise.
4116 * alpha.md (call_vms): Likewise.
4117 (call_value_vms): Likewise.
4118 (unnamed osf call insns): Likewise.
4120 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
4121 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4123 * alpha.c (call_operand): Any reg is valid for WinNT.
4124 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
4125 (anon nt calls): Add 'R' alternative.
4126 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
4127 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
4129 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
4131 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
4133 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
4134 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4135 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
4137 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
4139 * reload1.c (new_spill_reg): Improve fixed or forbidden register
4140 spill error message.
4142 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4144 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
4145 use varargs.h. Wrap header with <>, not "".
4147 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
4149 * integrate.c (save_for_inline_copying): Add return value from
4152 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
4154 * fixincludes: Be a little more restrictive on what we will
4155 substitute to replace definitions of MAXINT for HPUX.
4157 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
4159 * dbxout.c (dbxout_symbol_location): Don't assume that variables
4160 whose address is the stack or argument pointers are indirect
4163 1997-11-13 Paul Eggert <eggert@twinsun.com>
4165 * cccp.c, cpplib.c (compare_defs):
4166 Don't complain about arg name respellings unless pedantic.
4167 * cpplib.c (compare_defs): Accept pfile as new arg.
4168 All callers changed.
4170 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4172 * fold-const.c (fold_truthop): Fix bug in last change.
4174 1997-11-13 Paul Eggert <eggert@twinsun.com>
4176 Fix some confusion with IEEE minus zero.
4178 * real.h (REAL_VALUES_IDENTICAL): New macro.
4180 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
4181 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
4183 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
4184 same tree structure as 0.0.
4186 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
4187 macro instead of doing it by hand.
4189 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
4191 * v850/lib1funcs.asm: Minor whitespace changes.
4192 * v850.c: Fix minor formatting problems in many places.
4193 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
4195 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
4197 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
4198 xplus1 when xplus0 is not a register.
4200 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
4202 * flow.c (find_basic_blocks): During marking phase, if we encounter
4203 an insn with a REG_LABEL note, make the target block live and
4204 create an edge from the insn to the target block. Do not make
4205 edges from all blocks to the target block.
4207 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
4209 * confiugre.in: Tweak NCR entries.
4210 * configure: Rebuilt.
4212 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
4214 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
4215 pick apart floating point values, instead of using CONST_DOUBLE_LOW
4216 and CONST_DOUBLE_HIGH.
4218 * rs6000.md (define_splits for DF constants): Use the appropriate
4219 REAL_VALUE_* interface to pick apart DF floating point constants in
4220 a machine independent fashion.
4222 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4224 * fold-const.c (fold_truthop): When changing a one-bit comparison
4225 against zero into a comparison against mask, do a proper sign
4228 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
4230 * except.c: Do not include "assert.h".
4231 (save_eh_status): Turn asserts into conditional aborts.
4232 (restore_eh_status, scan_region): Likewise.
4233 * dwarfout.c: Do not include "assert.h".
4234 (bit_offset_attribute): Turn asserts into conditional aborts.
4235 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
4236 (output_inlined_structure_type_die): Likewise.
4237 (output_inlined_union_type_die): Likewise
4238 (output_tagged_type_instantiation): Likewise.
4239 (dwarfout_file_scope_decl): Likewise.
4240 * dwarf2out.c: Do not include "assert.h"
4241 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
4242 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
4243 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
4244 (add_bit_size_attribute, scope_die_for): Likewise.
4245 (output_pending_types_for_scope): Likewise.
4246 (get_inlined_enumeration_type_die): Likewise.
4247 (get_inlined_structure_type_die): Likewise.
4248 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
4249 (gen_tagged_type_instantiation_die): Likewise.
4251 * flow.c (find_basic_blocks): Refine further to get a more correct
4252 cfg, especially in the presense of exception handling, computed
4253 gotos, and other non-trivial cases. Call abort if an inaccuracy
4254 is detected in the cfg.
4256 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4258 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
4260 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
4261 (skip_white_space): Use whitespace_cr.
4262 (check_newline): Handle whitespace more consistently.
4264 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
4266 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
4267 * i386/xm-cygwin32.h (POSIX): Define.
4269 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
4271 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
4272 is available elsewhere.
4274 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
4276 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
4277 what the instruction can handle.
4279 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
4281 * stmt.c (expand_decl_cleanup_no_eh): New fn.
4283 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
4285 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
4287 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
4288 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
4290 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
4292 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
4293 swap instruction order.
4295 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
4297 * fixinc.svr4 (__STDC__): Add another case.
4299 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4301 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
4302 addresses in the epilogue delay slot.
4304 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
4306 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
4307 in generated `specs' file.
4309 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
4311 * flags.h (flag_rerun_loop_opt): Declare.
4312 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
4313 * toplev.c (flag_rerum_loop_opt): Delete static.
4315 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4317 Bring over from FSF:
4319 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4321 * va-sh.h (__va_arg_sh1): Define.
4323 SH3E doesn't use any integer registers for subsequent arguments
4324 once a non-float value was passed in the stack.
4325 * sh.c (machine_dependent_reorg): If optimizing, put explicit
4326 alignment in front label for ADDR_DIFF_VEC.
4327 * sh.h (PASS_IN_REG_P): Fix SH3E case.
4328 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
4330 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4332 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
4335 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4337 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
4338 put an use_sfunc_addr before each sfunc.
4339 * sh.md (use_sfunc_addr, dummy_jump): New insns.
4340 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
4342 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4344 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
4346 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
4348 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
4351 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
4353 * alias.c (find_base_value): Only return the known base value for
4356 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
4358 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
4359 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
4361 (prologue_get_pc_and_set_got): New pattern.
4363 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
4365 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
4366 for SUBREG, just fall through.
4368 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
4370 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
4372 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
4374 * fixincludes: Fix "hypot" prototype in NeXT math.h.
4376 * Makefile.in (USE_ALLOCA): Always include alloca.o.
4377 (USE_HOST_ALLOCA): Likewise.
4379 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
4380 and LABEL_REFS fields.
4381 * rtl.h (LABEL_REFS): Update.
4383 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
4385 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
4386 sets i2dest. When calling distribute_notes for i3dest_killed, pass
4387 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
4390 * mips.md (insv, extzv, extv): Add change_address call.
4391 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
4393 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
4395 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
4397 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
4398 save_restore_insns if no FP and GP will be restored.
4400 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
4401 Convert CCmode to word_mode before calling GET_MODE_SIZE.
4403 * acconfig.h (HAVE_INTTYPES_H): Undef.
4404 * configure.in (inttypes.h): Check for conflicts between sys/types.h
4405 and inttypes.h, and verify that intmax_t is defined.
4406 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
4407 * config/mips/x-iris3: Likewise.
4409 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
4411 * alias.c (find_base_value): When copying arguments, return the
4412 tenative value for a hard register.
4414 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
4416 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
4417 (yylex): Record wide strings using target endianness, not host.
4419 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
4421 * mn10200.h (ASM_OUTPUT_BSS): Delete.
4422 (ASM_OUTPUT_ALIGNED_BSS): New macro
4423 * mn10300.h (ASM_OUTPUT_BSS): Delete.
4424 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4425 * v850.h (ASM_OUTPUT_BSS): Delete.
4426 (ASM_OUTPUT_ALIGNED_BSS): New macro.
4428 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4430 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
4432 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
4434 * configure.in (sco5): Use cpio to install header files.
4436 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
4438 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
4440 * configure: Rebuild.
4442 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
4444 * i386/sco5.h: enable -gstabs once again.
4446 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
4448 * arm.c (output_move_double): Allocate 3 entries in otherops array.
4450 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
4452 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
4453 notes for sjlj exceptions too.
4454 (expand_eh_region_end): Similarly for EH_REGION_END notes.
4455 (exception_optimize): Optimize EH regions for sjlj exceptions too.
4456 * final.c (final_scan_insn): Don't output labels for EH REGION
4457 notes if doing sjlj exceptions.
4459 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
4461 * alias.c (init_alias_analysis): Handle -fno-alias-check when
4462 optimizing correctly.
4464 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
4465 or set current_function_calls_setjmp anymore.
4467 * flow.c (find_basic_blocks): If we delete the label for an
4468 exception handler, remove it from the EH label list and remove
4469 the EH_BEGIN/EH_END notes for that EH region.
4471 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
4473 * flow.c (find_basic_blocks): Generate correct flow control
4474 information when exception handling notes are present.
4476 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
4478 * dwarf2out.c (output_call_frame_info): Fix length argument
4479 to ASM_OUTPUT_ASCII.
4480 (output_die, output_pubnames, output_line_info): Likewise.
4482 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
4484 * version.c: Bump for snapshot.
4486 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
4487 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
4488 flag_debug_asm is on.
4489 (output_die, output_pubnames, output_line_info): Likewise.
4491 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
4492 and static_chain_rtx into the potential base values array if
4495 * alias.c (new_reg_base_value): New array of potential base values.
4496 (unique_id): Now file scoped static.
4497 (find_base_value, case REG): Return the value in reg_base_value
4498 array for the REG if it exists. Else, return the value from
4499 new_reg_base_value if copying args and REG is a hard register.
4500 (find_base_value, case PLUS): If either operand of the PLUS is
4501 a REG, try to get its base value. Handle base + index and
4503 (record_set): Use new_reg_base_value instead of reg_base_value.
4504 (init_alias_analysis): Allocate space for new_reg_base_value too.
4505 Rework code to iterate over the insns propagating base value
4506 information until nothing changes.
4508 * global.c (global_alloc): Free the conflict matrix after
4509 reload has finished.
4511 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
4513 * libgcc2.c (L_eh): Define __eh_pc.
4514 Replace __eh_type with generic pointer __eh_info.
4516 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
4518 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
4519 use copy_to_reg if address is not a general_operand.
4521 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4523 * profile.c (output_func_start_profiler): Clear flag_inline_functions
4524 for the duration of the call to rest_of_compilation.
4526 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
4528 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
4530 (sparc*-*-*): Recognize --with-cpu=v9.
4531 * sparc/elf.h: New file.
4532 * sparc/t-elf: New file.
4534 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
4536 * mn10300.c (const_8bit_operand): New function.
4537 (mask_ok_for_mem_btst): New funtion.
4538 * mn10300.md (btst patterns with mem operands): Use new functions
4539 to avoid creating btst instructions with invalid operands.
4541 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
4543 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
4544 are running on PowerPC Linux.
4546 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
4548 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
4549 if not previously defined.
4551 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
4553 * function.c (assign_parms): Correct mode of stack_parm if
4554 entry_parm underwent a mode conversion.
4556 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
4558 * global.c (global_alloc): Use xmalloc instead of alloca for
4559 CONFLICTS, since max_allocno * allocno_row_words alone can be more
4560 than 2.5Mb sometimes.
4562 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
4564 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
4565 DEST for the spill, adjust mode of SRC to compensate.
4567 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
4569 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
4570 since any_memory_operand() allows pseudos during reload.
4571 (reload_inhi, reload_outqi, reload_outhi): Likewise.
4573 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
4575 * m68k.md (btst patterns): Add 5200 support.
4577 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4579 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
4580 optimizations, look inside dividend to determine if the expression
4581 can be simplified by using EXACT_DIV_EXPR.
4583 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
4586 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
4588 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
4590 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
4592 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
4594 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
4597 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
4599 * alpha.md (movqi, movhi): Make sure new insns created during reload
4600 won't need reloading themselves.
4601 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
4603 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
4605 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
4607 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
4609 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
4610 Patch from Klaus Kaempf <kkaempf@progis.de>.
4612 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
4614 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
4615 to an element in a constant string.
4617 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
4619 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
4620 bit PC-relative offset. The exception range table pointer is now in
4622 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
4623 (count_fdes, add_fdes, get_cie): Adjust.
4624 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
4627 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
4629 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
4631 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
4632 like stack_pointer_rtx.
4634 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
4636 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
4637 targets using "$@" to provide support for similar but not identical
4638 targets without having to duplicate code.
4639 (bootstrap4): New goal.
4641 * Makefile.in (compare, compare-lean, compare3): Combined to one
4642 ruleset determining actions to be performed via $@.
4643 (compare4, compare4-lean): New targets.
4644 (gnucompare, gnucompare3): Combined to one ruleset determining
4645 actions to be performed via $@. Also, note which files failed
4646 the comparison test in .bad_compare.
4647 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
4649 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
4651 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
4652 if the dividend is a multiple of the divisor.
4654 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
4656 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
4658 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
4661 * alias.c (true_dependence): Fix typo.
4663 * toplev.c (flag_rerun_loop_opt): New variable.
4664 (f_options): Handle -frerun-loop-opt.
4665 (rest_of_compilation): If -frerun-loop-opt, then run the loop
4667 (main): Enable -frerun-loop-opt by default for -O2 or greater.
4669 * loop.c (simplify_giv_expr): Adding two invariants results
4672 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
4674 * expr.c (get_inner_reference): Remove the array bias after
4675 converting the index to Pmode.
4677 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
4679 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
4680 (TARGET_MULT_BUG): Define.
4681 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
4682 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
4684 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
4686 * mn10200.c (indirect_memory_operand): Delete unused function.
4687 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
4688 * mn10200.md (bset, bclr insns): Handle output in a reg too.
4690 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
4692 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
4693 the callee's ldgp, we must do it ourselves, and we use the jsr tag
4694 for more than scheduling.
4696 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
4698 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
4700 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
4702 * mn10300.c (symbolic_operand, legitimize_address): New functions.
4703 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
4704 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
4706 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
4708 * version.c: Bump for snapshot.
4710 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4712 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
4715 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
4717 * toplev.c (flag_exceptions): Default value is 2.
4718 (compile_file): If flag_exceptions still has the value 2, then
4721 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
4722 (rs6000_save_machine_status): Save pic_offset_table_rtx.
4723 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
4725 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
4728 * rs6000.md (*movsi_got_internal_mem): New pattern.
4729 (*movsi_got_internal_mem splitter): New define_split.
4731 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
4733 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
4735 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4737 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
4738 only need to save LR.
4740 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
4742 * mn10300.md (movqi, movhi): Avoid using address registers as
4743 destinations unless absolutely necessary.
4745 * mn10200.c (expand_prologue): Fix typo.
4747 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
4749 * mn10200.md (neghi2): Provide an alternative which works if
4750 the input and output register are the same.
4752 * mn10300.c (print_operand): Handle 'S'.
4753 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
4754 shift amount in last alternative
4756 * mn10300.c (expand_epilogue): Rework to handle register restores
4757 in "ret" and "retf" instructions correctly.
4759 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
4761 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
4762 extzv for memory operands.
4764 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
4765 redundant conditional moves to single operand.
4767 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
4769 * v850.h: Move define of __v850__ from CPP_PREDEFINES
4772 * xm-v850.h: Use __v850 rather than __v850__ to
4775 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
4777 * mips/mips.c (compute_frame_size): Not a leaf function if
4780 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
4782 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
4784 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
4786 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
4787 (DEFAULT_ARCH32_P): New macro.
4788 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
4789 (enum cmodel): Declare.
4790 (sparc_cmodel_string,sparc_cmodel): Declare.
4791 (SPARC_DEFAULT_CMODEL): Provide default.
4792 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
4793 (TARGET_FULLANY): Deleted.
4794 (TARGET_CM_MEDMID): New macro.
4795 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
4796 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4797 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
4798 (CPP_SPEC): Rewrite.
4799 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4800 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
4801 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
4802 (ASM_SPEC): Add %(asm_arch).
4803 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
4804 Rename asm_default to asm_cpu_default.
4805 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
4806 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
4807 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
4808 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
4809 (MASK_INT64,MASK_LONG64): Delete.
4810 (MASK_ARCH64): Renamed to MASK_64BIT.
4811 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
4812 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
4813 (TARGET_SWITCHES): Always provide 64 bit options.
4814 (ARCH64_SWITCHES): Delete.
4815 (TARGET_OPTIONS): New option -mcmodel=.
4816 (INT_TYPE_SIZE): Always 32.
4817 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
4818 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
4819 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
4820 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
4821 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4823 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4824 * sparc/linux.h: Likewise.
4825 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4826 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4827 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4828 (SPARC_DEFAULT_CMODEL): Define.
4829 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4830 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4831 (LONG_DOUBLE_TYPE_SIZE): Define.
4832 (ASM_SPEC): Add %(asm_arch).
4833 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4834 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4835 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4836 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4837 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4838 (SPARC_DEFAULT_CMODEL): Define.
4839 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4840 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4841 MASK_LONG64, MASK_MEDANY.
4842 (SPARC_DEFAULT_CMODEL): Define.
4843 (CPP_PREDEFINES): Delete.
4844 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4845 (ASM_SPEC): Add %(asm_arch).
4846 (LONG_DOUBLE_TYPE_SIZE): Define.
4847 (DWARF2_DEBUGGING_INFO): Define.
4848 * sparc/splet.h (CPP_SPEC): Delete.
4849 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4850 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4851 (BLOCK_PROFILER): Likewise.
4852 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4853 (sparc_override_options): Handle code model selection.
4854 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4855 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4856 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4857 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4858 (sethi_di_fullany): Delete.
4860 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4861 Jeff Law <law@cygnus.com>
4862 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4864 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4865 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4866 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4867 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4868 * alpha/alpha.md (arg_home): Likewise.
4870 * alpha/alpha.c (vmskrunch): Delete
4871 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4872 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4873 truncate to 64 characters.
4875 * make-l2.com: Support openVMS/Alpha.
4877 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4879 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4881 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4883 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4885 * i386/bsd386.h (ASM_COMMENT_START): Define.
4887 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4889 * tree.c (restore_tree_status): Also free up temporary storage
4890 when we finish a toplevel function.
4891 (dump_tree_statistics): Print stats for backend obstacks.
4893 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4895 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4897 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4899 * libgcc2.c (__throw): Don't copy the return address.
4900 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4902 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4903 * toplev.c (main): Initialize exceptions_via_longjmp.
4905 * tree.c: Add extra_inline_obstacks.
4906 (save_tree_status): Use it.
4907 (restore_tree_status): If this is a toplevel inline obstack and we
4908 didn't want to save anything on it, recycle it.
4909 (print_inline_obstack_statistics): New fn.
4910 * function.c (pop_function_context_from): Pass context to
4911 restore_tree_status.
4912 * obstack.h (obstack_empty_p): New macro.
4914 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4916 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4918 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4920 * v850.c (ep_memory_offset): New function.
4921 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4923 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4924 (CONSTANT_ADDRESS_P): Add comment.
4925 (EXTRA_CONSTRAINT): Define 'U'.
4926 * v850.md: Add comments on bit field instructions.
4927 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4928 (lshrsi3): Use N not J constraint.
4930 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4932 * v850.c (reg_or_0_operand): Call register_operand.
4933 (reg_or_int5_operand): Likewise.
4934 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4935 (TARGET_SWITCHES): Add "big-switch".
4936 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4937 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4938 (CASE_DROPS_THROUGH): Comment out.
4939 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4940 * v850.md (cmpsi): Delete compare mode.
4941 (casesi): New pattern.
4943 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4944 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4945 (lshrsi3): Likewise.
4947 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4948 unreachable switch statement after 'b' support. Remove "b" from
4949 strings for 'b' support.
4950 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4952 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4954 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4955 empty line if @inhibit_libc@ is empty.
4957 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4959 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4960 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4961 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4962 (DWARF2_UNWIND_INFO): Let this track object file format.
4963 (EXTRA_SECTIONS): Add in_eh.
4964 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4965 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4967 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4969 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4970 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4972 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4973 (output_double_int): Output DI mode values correctly when
4974 HOST_BITS_PER_WIDE_INT is 64.
4975 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4976 fmovd so it works if a quad float ends up in one of the upper 32
4978 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4979 necessary for PIC support on sparc64.
4981 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4983 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4984 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4985 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4986 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4987 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4988 (SPARC_FP_ARG_FIRST): New macro.
4989 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4990 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4991 (NPARM_REGS): There are 32 fp argument registers now.
4992 (FUNCTION_ARG_REGNO_P): Likewise.
4993 (FIRST_PARM_OFFSET): Update to new v9 abi.
4994 (REG_PARM_STACK_SPACE): Define for arch64.
4995 (enum sparc_arg_class): Delete.
4996 (sparc_arg_count,sparc_n_named_args): Delete.
4997 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4998 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4999 (FUNCTION_ARG_ADVANCE): Rewrite.
5000 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
5001 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
5002 (FUNCTION_ARG_CALLEE_COPIES): Delete.
5003 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
5004 (STRICT_ARGUMENT_NAMING): Define.
5005 (doublemove_string): Declare.
5006 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
5007 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
5008 (doublemove_string): New function.
5009 (output_move_quad): Clean up some of the arch64 support.
5010 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
5011 Don't add 8 bytes of reserved space if arch64.
5012 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
5013 (init_cumulative_args): New function.
5014 (function_arg_slotno): New static function.
5015 (function_arg,function_arg_partial_nregs): New functions.
5016 (function_arg_{pass_by_reference,advance}): New functions.
5017 (function_arg_padding): New function.
5018 * ginclude/va-sparc.h: Rewrite v9 support.
5020 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5022 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
5023 for hard regs to determine base and index registers.
5025 * reload.c (debug_reload_to_stream): New function. Specify stream
5026 into which to write debug info.
5027 (debug_reload): Modify to call debug_reload_to_stream with stderr.
5029 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
5031 * combine.c (can_combine_p): Don't combine with an asm whose
5032 output is a hard register.
5034 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
5036 * c-decl.c (start_struct): Ensure that structs with forward
5037 declarations are in fact packed when -fpack-struct is given.
5039 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
5040 we are packing a structure. This allows a structure with only
5041 bytes to be aligned on a byte boundary and have no padding on a
5044 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5046 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
5048 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
5050 * alpha.c (alpha_return_addr_rtx): New variable.
5051 (alpha_save_machine_status): New; save it.
5052 (alpha_restore_machine_status): New; restore it.
5053 (alpha_init_expanders): New; clear it.
5054 (alpha_return_addr): New; set it.
5055 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
5056 is overly conservative, so search the insns explicitly.
5057 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
5058 (alpha_sa_size [VMS && !VMS]): Likewise.
5059 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
5060 (INIT_EXPANDERS): New definition.
5062 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
5063 (output_prolog [!VMS]): Use them.
5065 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
5066 (alpha_does_function_need_gp): ... a new function. Refine the
5067 CALL_INSN test to just TYPE_JSR.
5068 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
5070 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
5072 * version.c: Bump for snapshot.
5074 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5076 * pa.c (move_operand): Respect -mdisable-indexing.
5077 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
5079 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
5081 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
5083 (umulsidi3,umulsi3_highpart): Ditto.
5084 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
5086 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
5088 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
5089 (alpha_handle_trap_shadows): ... a new function. Handle the entire
5090 function in one go. Emit RTL for trapb, instead of printf directly.
5091 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
5092 (trap_pending): Kill global variable.
5093 (output_epilog): Don't call final_prescan_insn.
5094 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
5095 * alpha.h (FINAL_PRESCAN_INSN): Remove.
5096 (MACHINE_DEPENENT_REORG): Define.
5097 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
5100 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
5102 Tune Haifa scheduler for Alpha:
5103 * alpha.h (ISSUE_RATE): Define.
5104 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
5105 EV4 adjustments to EV5.
5106 * alpha.md: Remove all scaling from function unit delays. Rework
5107 EV5 function units to match the CPU.
5108 (umuldi3_highpart): EV5 added the IMULH insn class.
5110 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
5112 * pa.c (following_call): Fail if the CALL_INSN is an indirect
5115 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
5117 * cplus-dem.c (demangle_signature): Don't look for return types on
5118 constructors. Handle member template constructors.
5120 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
5122 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
5123 * tree.h: Declare them.
5125 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
5127 * configure.in: Handle --with-newlib.
5128 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
5130 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
5132 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
5134 * config/ptx4.h: Fix typo.
5136 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
5138 * version.c: Bump for snapshot.
5140 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
5142 * aclocal.m4: Substitute INSTALL.
5143 * configure: Re-built.
5145 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
5147 * integrate.c (save_for_inline_copying): Avoid undefined pointer
5149 (expand_inline_function): Likewise.
5151 * dwarf2out.c (output_call_frame_info): Reinstate last change
5152 using flag_debug_asm check instead of flag_verbose_asm.
5154 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
5156 * dwarf2out.c (output_call_frame_info): Remove last change.
5158 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5160 * frame.c (__frame_state_for): Execute the FDE insns until the
5161 current pc value is strictly bigger than the target pc value.
5163 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
5165 * regclass.c (init_reg_modes): If we can't find a mode for the
5166 register, use the previous one.
5168 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
5170 * haifa-sched.c (print_block_visualization): Call fprintf directly,
5171 don't sprintf through an alloca'ed buffer.
5173 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
5175 * reload.c (decompose): Always initialize val.base.
5177 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5179 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
5180 instead of aborting.
5181 * dwarf2out.c (output_call_frame_info): Call app_enable and
5182 app_disable to let GNU as accept the generated comments.
5184 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
5186 * tree.h (get_file_function_name): Add declaration.
5187 * dwarf2out.c (output_call_frame_info): No need to cast
5188 get_file_function_name call anymore.
5189 * profile.c (toplevel): Remove get_file_function_name
5191 * c-lang.c (finish_file): Ditto.
5193 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
5195 * Makefile.in (program_transform_name): Let autoconf substitute
5198 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
5200 * haifa-sched.c (schedule_block): If the first real insn in a
5201 block has any special notes attached to it, remove them.
5203 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
5205 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
5207 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
5209 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
5211 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
5213 * Makefile.in (check-g77): New test target.
5214 (CHECK-TARGETS): Add check-g77.
5216 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5218 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
5220 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
5222 * flow.c (print_rtl_with_bb): Cast alloca return value for
5225 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
5227 * i386.h (RETURN_ADDR_RTX): New definition that works for
5228 __builtin_return_address(0) and -fomit-frame-pointer.
5230 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
5232 Bring over from FSF.
5233 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
5235 * mips.c (function_arg): Handle passing a struct
5236 containing a double in a DFmode register without the PARALLEL.
5238 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
5240 * pexecute.c: Use spawn if __CYGWIN32__.
5242 * pexecute.c: Include "config.h" first, as per autoconf manual
5243 (from Paul Eggert <eggert@twinsun.com>).
5245 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5247 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
5248 optimisation for f/expr.o and f/stb.o.
5250 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
5252 * cse.c (this_insn_cc0_mode): Initialize.
5254 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
5256 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
5258 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
5260 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
5262 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
5263 that pair will dual-issue on the 21164 and plus+beq won't.
5264 (bne): Likewise for cmpeq+beq.
5266 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
5268 * except.c (find_exception_handler_labels): Correct argument to free.
5270 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5272 * except.c (find_exception_handler_labels): Free LABELS when we're
5275 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
5277 * version.c: Bump for snapshot.
5279 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5281 * flow.c (find_basic_blocks): Mark calls as potentially jumping
5284 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
5286 * configure.in: Substitute for "install" too.
5287 * configure: Rebuilt.
5289 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
5291 * Makefile.in (bootstrap-lean, compare-lean): New targets.
5293 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
5295 * alias.c (base_alias_check): Two symbols can conflict if they
5296 are accessed via AND.
5297 (memrefs_conflict_p): Likewise.
5299 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
5300 after flushing argument registers to the stack.
5302 * Makefile.in (mostlyclean): Remove .regmove files.
5304 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5306 * libgcc2.c (__throw): Fix thinko.
5308 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
5310 * cplus-dem.c (demangle_template): Add new parameter. Handle new
5311 template-function mangling.
5312 (consume_count_with_underscores): New function.
5313 (demangle_signature): Handle new name-mangling scheme.
5315 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5317 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
5320 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
5322 * frame.c: Remove last change.
5323 * dwarf2.h: Remove last change.
5324 * tree.h: Add declarations of DWARF2 unwind info support
5327 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5329 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
5330 * tree.h (built_in_function): Likewise.
5331 * expr.c (expand_builtin): Likewise.
5332 * except.h: Likewise.
5333 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
5334 * libgcc2.c (copy_reg): New fn.
5337 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
5339 * c-typeck.c (build_binary_op): Warn about comparing signed vs
5340 unsigned if -W is specified and -Wno-sign-compare is not.
5341 * c-decl.c (warn_sign_compare): Initialize to -1.
5342 (c_decode_option): -Wall no longer implies -Wsign-compare.
5344 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5346 * frame.c: Include gansidecl.h for PROTO.
5347 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
5348 defined. Don't declare dwarf2out_cfi_label here.
5349 * dwarf2.h: Add declarations of DWARF2 unwind info support
5351 * m68k.c: Include dwarf2.h.
5352 (output_function_prologue): Add dwarf2 support.
5353 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
5354 (INCOMING_FRAME_SP_OFFSET): Likewise.
5356 * integrate.c (expand_inline_function): Make sure there is at
5357 least one insn that can be used as an insertion point.
5359 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5361 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
5363 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
5365 * version.c: Bump for snapshot.
5367 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
5369 Bring over from FSF.
5371 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
5373 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
5374 (get_pc_via_rdpc): Renamed from get_pc_sp64.
5375 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
5377 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
5379 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
5380 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
5382 (sparc_align_{loops,jumps,funcs}_string): Declare.
5383 (sparc_align_{loops,jumps,funcs}): Declare.
5384 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
5385 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
5386 (STACK_BIAS): Define.
5387 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
5389 (SPARC_SETHI_P): New macro.
5390 (CONST_OK_FOR_LETTER_P): Use it.
5391 (ASM_OUTPUT_ALIGN_CODE): Define.
5392 (ASM_OUTPUT_LOOP_ALIGN): Define.
5393 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
5394 (sparc_align_{loops,jumps,funcs}): New globals.
5395 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
5397 (move_operand): Use SPARC_SETHI_P.
5398 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
5400 (arith11_double_operand): Likewise.
5401 (arith10_double_operand): Likewise.
5402 (finalize_pic): Finish sparc64 support.
5403 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
5404 64 bit constants if able.
5405 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
5406 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
5408 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
5409 (get_pc_sp32): Use for sparc64 as well.
5410 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
5411 (sethi_di_sp64_const): Likewise.
5412 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
5413 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
5414 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
5416 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
5418 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
5419 * sparc/linux.h (COMMENT_BEGIN): Likewise.
5420 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
5422 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
5424 Add sparc64 linux support.
5425 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
5426 to xm_file list on 32-bit sparc-linux.
5427 * sparc/xm-sp64.h: New file.
5428 * sparc/linux64.h: New file.
5429 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
5430 Don't include xm-sparc.h.
5431 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
5432 * glimits.h (LONG_MAX): Handle sparc64.
5434 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
5436 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
5437 * sparc.h (ASM_COMMENT_START): Define.
5438 * sparc.c (output_function_prologue): Use it.
5439 (sparc_flat_output_function_{epi,pro}logue): Likewise.
5441 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
5443 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
5444 use sparc.h's copies.
5445 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
5448 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5450 * sparc.c (dwarf2out_cfi_label): Add declaration.
5451 (save_regs, output_function_prologue): Remove cast for it.
5452 (sparc_flat_{save_restore,output_function_prologue): Likewise.
5453 ({save,restore}_regs): No longer inline.
5455 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5457 * fold-const.c (make_range): Correctly handle cases of converting
5458 from unsigned to signed type.
5460 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5462 * fold-const.c (merge_ranges): Make sure that if one range is subset
5463 of another, it will always be the second range. Correct (+,-) case to
5466 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5468 * final.c (final_end_function): Also do dwarf2 thing if
5469 DWARF2_DEBUGGING_INFO.
5470 (final_start_function): Likewise.
5472 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
5474 * expmed.c (expand_divmod): If compute_mode is not the same as
5475 mode, handle the case where convert_modes() causes op1 to no
5476 longer be a CONST_INT.
5478 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
5479 note holding get_jump_flags() calculation to all JUMP_INSNs.
5480 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
5481 * rtl.c (reg_note_name): Add new note types.
5483 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
5485 * rtlanal.c (computed_jump_p): Fix typo in last change.
5487 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5489 * loop.c (indirect_jump_in_function_p): Return 0
5492 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
5494 * rs6000/xm-rs6000.h: Fix thinko in last change.
5495 * rs6000/xm-sysv4.h: Likewise.
5497 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
5499 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
5501 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
5503 * reg-stack.c (find_blocks): Fix thinko in last change.
5505 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5507 * m68k.c (output_function_prologue): Add dwarf2 support.
5509 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
5510 INCOMING_FRAME_SP_OFFSET): New definitions.
5512 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
5514 * combine.c (try_combine): Use NULL_RTX instead of '0' where
5515 appropriate in calls to gen_rtx().
5516 * cse.c (cse_main): Likewise.
5517 * emit-rtl.c (gen_label_rtx): Likewise.
5518 * expr.c (init_expr_once): Likewise.
5519 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
5520 sched_analyze, init_rgn_data_dependences,
5521 compute_block_backward_dependences): Likewise.
5522 * sched.c (schedule_insns): Likewise.
5523 * varasm.c (immed_double_const): Likewise.
5525 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
5526 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
5528 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
5530 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
5531 (MULTILIB_DEFAULTS): Define.
5532 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
5533 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
5534 (LIBGCC_SPEC): Likewise.
5535 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
5536 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
5537 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
5538 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
5539 (EXTRA_PARTS, TAROUTOPTS): Delete.
5540 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
5541 (MULTILIB_OPTIONS): Define.
5542 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
5543 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
5545 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
5547 * version.c: Bump for snapshot.
5549 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
5551 * loop.c (loop_number): Delete function. Change all references
5552 to use uid_loop_num array.
5553 * loop.h (loop_number): Delete declaration.
5554 * unroll.c (unroll_loop): Change "loop_number" references to
5555 use uid_loop_num instead.
5557 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
5559 (loop_unroll_iter): Remove unused variable and all references.
5560 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
5561 (insert_bct): Fix minor formatting problems.
5562 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
5563 (loop_unroll_iter): Removed unused decl.
5564 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
5565 Always record the unrolling factor.
5567 * cse.c (simplify_relational_operation): Set h0u just like h0s.
5568 Similarly for h1u and h1s.
5570 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
5571 (find_basic_blocks): Use computed_jump_p to determine if a
5572 particular JUMP_INSN is a computed jump.
5573 * reg-stack.c (find_blocks): Use computed_jump_p to determine
5574 if a particular JUMP_INSN is a computed jump.
5575 * rtlanal.c (jmp_uses_reg_or_mem): New function.
5576 (computed_jump_p): Likewise.
5577 * rtl.h (computed_jump_p): Declare.
5578 * genattrtab.c (pc_rtx): Define and initialize.
5579 * loop.c (loop_optimize): Always determine if the current
5580 function has a computed jump.
5581 (indirect_jump_in_function_p): Use computed_jump_p to determine
5582 if a particular JUMP_INSN is a computed jump.
5584 * loop.c (fix_bct_param): Delete unused function.
5585 (check_bct_param): Likewise.
5587 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
5589 * frame.c (__deregister_frame): Check properly for initialized object.
5591 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5593 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
5595 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5597 * jump.c (thread_jumps): check can_reverse_comparison_p before
5598 threading a reversed-condition jump.
5600 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
5601 * haifa-sched.c (update_flow_info): Likewise.
5603 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
5605 * Makefile.in (BOOT_CFLAGS): Use -O2.
5607 * configure.in (strtoul, bsearch): Have autoconf check for these
5609 * configure, config.in: Rebuilt.
5611 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
5612 * mips/mips.h (alloca): Likewise.
5613 * rs6000/xm-rs6000.h (alloca): Likewise.
5614 * rs6000/xm-sysv4.h: Likewise.
5616 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
5618 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
5619 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
5620 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
5622 * except.c (end_eh_unwinder): Subtract 1 from return address.
5623 * libgcc2.c (__throw): Likewise.
5624 (find_exception_handler): Don't change PC here. Compare end with >.
5626 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
5628 * v850.c (compute_register_save_size): Correct register
5630 * v850.md (save_interrupt, return_interrupt): Correct
5632 * v850/lib1funcs.asm (save_interrupt): Correct register number.
5633 (return_interrupt): Use stack pointer, not element pointer.
5635 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
5637 * configure.in, configure: Make sure to create the stage* and include
5638 symbolic links in each subdirectory.
5640 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
5642 * pa.md (reload_peepholes): Don't allow addresses with side
5643 effects for the memory operand.
5645 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
5647 * libgcc2.c (find_exception_handler): Subtract one from our PC when
5648 looking for a handler, to avoid hitting the beginning of the next
5651 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
5653 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
5655 * mips/abi64.h (LONG_MAX_SPEC): Define.
5656 * mips.h (LONG_MAX_SPEC): Define.
5657 (CPP_SPEC): Include long_max_spec.
5658 (EXTRA_SPECS): Include long_max_spec.
5660 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
5662 * v850.c (construct_save_jarl): Fix thinko in last change.
5664 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
5666 * version.c: Bump for snapshot.
5668 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
5670 * libgcc2.c (find_exception_handler): Not found is -1.
5672 * integrate.c (expand_inline_function): Move expand_start_bindings
5673 after expanding the arguments.
5675 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
5677 * expr.c (expand_expr): Remove previous incorrect change.
5678 If target and slot has no DECL_RTL, then call mark_addressable
5679 again for the slot after we give it RTL.
5681 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
5683 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5684 again for the slot after we give it RTL.
5686 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
5688 * v850.c (register_is_ok_for_epilogue,
5689 pattern_is_ok_for_epilogue, construct_restore_jr,
5690 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
5692 * v850.h (pattern_is_ok_for_prologue,
5693 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
5696 * v850.md: Replace prologue and epilogue patterns with a
5697 match_parallel pattern.
5699 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
5701 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
5702 * configure.in: Use EGCS_PROG_INSTALL.
5704 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
5706 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
5707 extern inline function.
5709 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
5711 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
5712 (concat_loc_descriptor): New function.
5713 (loc_descriptor): Call it.
5714 (add_AT_location_description): Also elide the descriptor if both
5715 halves of a CONCAT are pseudos.
5716 (add_location_or_const_value_attribute): Recognize CONCAT too.
5718 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
5720 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
5722 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
5723 out-or-range reg_offset.
5724 (output_epilog): Likewise.
5726 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
5728 * cse.c (simplify_relational_operation): If MODE specifies a
5729 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
5730 is derived from the sign bit of the low word.
5732 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5734 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
5736 * dwarf2.h: Add DW_CFA_GNU_args_size.
5737 * frame.c (execute_cfa_insn): Likewise.
5738 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
5739 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
5740 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
5741 insn, hand it off to dwarf2out_stack_adjust.
5742 (dwarf2out_begin_prologue): Initialize args_size.
5743 * frame.h (struct frame_state): Add args_size.
5744 * libgcc2.c (__throw): Use args_size.
5745 * final.c (final_scan_insn): If we push args, hand off all insns
5746 to dwarf2out_frame_debug.
5747 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
5749 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
5750 Handle epilogue restore of SP from FP.
5751 * emit-rtl.c (gen_sequence): Still generate a sequence if the
5752 lone insn has RTX_FRAME_RELATED_P set.
5754 * frame.c (extract_cie_info): Handle "e" augmentation.
5755 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
5756 absence of UNALIGNED_*_ASM_OP.
5757 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
5758 (output_call_frame_info): Use "e" instead of "z" for augmentation.
5759 Don't emit augmentation fields length.
5760 (dwarf2out_do_frame): Move outside of #ifdefs.
5761 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
5764 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
5765 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
5766 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
5767 * sparc/sun4gas.h: New file.
5768 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
5770 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
5771 __register_frame_table and __deregister_frame.
5773 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
5775 * except.c (find_exception_handler_labels): Use xmalloc instead of
5776 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
5779 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
5781 * Makefile.in: Various changes to build info files
5782 in the object tree rather than the source tree.
5784 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
5786 * fixinc.math: New file to fix math.h on some systems.
5787 * configure.in (freebsd, netbsd): Use fixinc.math on these
5789 * configure: Rebuilt.
5791 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
5793 * regmove.c (regmove_optimize): If we end up moving the
5794 original insn due to lifetime overlaps, make sure to move
5797 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
5799 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
5801 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
5803 * haifa-sched.c (add_branch_dependences): Make each insn in
5804 a SCHED_GROUP_P block explicitly depend on the previous insn.
5806 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5808 * except.h: Prototype dwarf2 hooks.
5811 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
5813 * configure.in (native_prefix): Delete.
5814 (mips-dec-netbsd): Don't set prefix.
5815 (*linux*): Don't set prefix.
5817 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
5819 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
5820 defined. If not defined, include <sys/varargs.h> if
5821 HAVE_SYS_VARARGS_H is defined.
5822 * configure.in: Test for varargs.h and sys/varargs.h.
5823 * configure: Regenerate with autoconf.
5824 * config.in: Regenerate with autoheader.
5826 * cpplib.c (quote_string): Cast first arg of sprintf call
5827 from "unsigned char *" to "char *".
5828 (output_line_command): Ditto.
5829 (macroexpand): Ditto.
5830 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5832 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5834 * version.c: Bump for snapshot.
5836 * Makefile.in (compare): Exit with nonzero status if there
5837 are comparison failures. Note which files failed the
5838 comparison test in .bad_compare.
5840 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5842 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5844 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5846 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5847 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5848 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5849 * configure: Regenerated.
5851 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5853 * loop.c (strength_reduce): Fix typo.
5855 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5857 * m88k/m88k.c (struct option): Rename to struct options.
5858 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5859 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5860 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5861 __DOLPHIN__ or sysV88.
5863 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5865 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5868 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5870 * config.sub: Accept 'amigados' for backward compatability.
5872 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5874 * Makefile.in (testsuite/site.exp): New target.
5875 (check-gcc, check-g++): Depend on testsuite/site.exp.
5876 Don't stop for failure.
5878 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5880 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5881 if DWARF2_UNWIND_INFO.
5883 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5885 Add support for exception handling using DWARF 2 frame unwind info.
5886 Currently works on SPARC and MIPS, and almost on x86.
5888 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5889 next_stack_level, in_reg_window): Helper fns.
5890 (__throw): Implement for DWARF2_UNWIND_INFO.
5892 * expr.c (expand_builtin): Handle builtins used by __throw.
5893 * tree.h (enum built_in_function): Add builtins used by __throw.
5894 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5895 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5896 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5897 (expand_builtin_extract_return_addr): Likewise.
5898 (expand_builtin_frob_return_addr): Likewise.
5899 (expand_builtin_set_return_addr_reg): Likewise.
5900 (expand_builtin_eh_stub): Likewise.
5901 (expand_builtin_set_eh_regs): Likewise.
5902 (eh_regs): Choose two call-clobbered registers for passing back values.
5904 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5905 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5906 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5907 (stmp-multilib): Likewise.
5908 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5910 * except.c: #include "defaults.h".
5911 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5912 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5913 (register_exception_table_p): New fn.
5914 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5915 (end_eh_unwinder): Likewise.
5917 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5918 call __register_frame and __deregister_frame as needed.
5919 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5920 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5921 EH_FRAME_SECTION_ASM_OP.
5922 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5923 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5924 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5926 * dwarf2out.c (output_call_frame_info): If no support for
5927 EXCEPTION_SECTION, mark the start of the frame info with a
5929 * collect2.c (frame_tables): New list.
5930 (is_ctor_dtor): Recognise frame entries.
5931 (scan_prog_file): Likewise.
5932 (main): Pass -fno-exceptions to sub-compile. Also do collection
5933 if there are any frame entries.
5934 (write_c_file_stat): Call __register_frame_table and
5935 __deregister_frame as needed.
5936 (write_c_file_glob): Likewise.
5938 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5939 Also require unaligned reloc support.
5940 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5941 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5942 * sparc/sysv4.h: Not here.
5944 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5945 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5946 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5948 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5949 EH implementations to the top.
5950 (find_exception_handler): Split out. Start from 0. Compare against
5952 (__find_first_exception_table_match): Use it.
5953 * except.c (output_exception_table): Don't do anything if there's
5954 no table. Don't output a first entry of zeroes.
5955 (eh_outer_context): Adjust properly.
5956 (add_eh_table_entry): Use xrealloc.
5957 * toplev.c (compile_file): Just call output_exception_table.
5959 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5961 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5963 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5965 * except.c (eh_outer_context): Do masking using expand_and.
5967 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5969 Add port done awhile ago for the ARC cpu.
5970 * arc/arc.h: New file.
5971 * arc/arc.c: New file.
5972 * arc/arc.md: New file.
5973 * arc/initfini.c: New file.
5974 * arc/lib1funcs.asm: New file.
5975 * arc/t-arc: New file.
5976 * arc/xm-arc.h: New file.
5977 * ginclude/va-arc.h: New file.
5978 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5979 * ginclude/varargs.h: Likewise.
5980 * Makefile.in (USER_H): Add va-arc.h.
5981 * configure.in (arc-*-elf*): Recognize.
5982 * longlong.h: Add ARC support.
5984 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5986 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5987 when clearing non-BLKmode data.
5989 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5991 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5992 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5994 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5996 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5998 * Makefile.in (clean): Delete libgcc1-test.
6000 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
6002 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
6004 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
6007 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6009 * dwarf2out.c (output_call_frame_info): Call named_section.
6011 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
6013 * haifa-sched.c (print_value): Fix last change.
6015 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
6017 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
6020 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
6022 * mips.c (function_prologue): Set up the CFA when ABI_32.
6024 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
6025 for dwarf2 unwind info.
6026 (output_function_prologue, sparc_flat_output_function_prologue): Same.
6028 * final.c (final_end_function): Check dwarf2out_do_frame instead
6029 of DWARF2_DEBUG for dwarf2 unwind info.
6030 (final_scan_insn): Likewise.
6031 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
6034 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
6037 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
6039 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
6041 * v850.h (ASM_SPEC): Pass on target processor.
6042 (CPP_PREDEFINES): Only define if not already specified.
6043 (TARGET_VERSION): Only define if not already specified.
6044 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
6046 (EXTRA_SWITCHES): Extra entries in the switches array.
6047 (TARGET_DEFAULT): Set default target processor.
6049 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
6051 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
6052 cases, add %# and %/, and add : to make them into extended asms.
6054 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
6056 * alias.c (init_alias_analysis): Clean up incompatible pointer
6057 type warning in bzero.
6058 * regmove.c (regmove_optimize): Ditto.
6059 * haifa-sched.c (find_rgns): Ditto.
6061 * haifa-sched.c (print_value): Clean up ptr->int cast
6064 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
6066 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
6067 * install.texi (Configurations): Ditto.
6068 * config.sub: Ditto.
6070 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
6072 * Makefile.in (sdbout.o): Depend on insn-config.h.
6074 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
6076 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
6077 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
6079 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6081 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
6082 prologue insn, only the first elt is significant.
6083 (output_call_frame_info): For exception handling, always use 4-byte
6084 fields as specified by the dwarf2 spec.
6085 Don't skip trivial FDEs.
6087 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
6089 * version.c: Bump for snapshot.
6091 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
6093 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
6094 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
6097 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
6099 * final.c (shorten_branches): During first pass, assume worst
6100 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
6102 * Makefile.in (distclean): Remove various things left around
6103 by running the testsuite.
6105 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
6107 * configure.in (out_file): Emit definition to config.status in order
6108 to have a defined value for configure.lang.
6109 * configure: Re-built.
6111 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
6113 * configure.in: Make symlink to as-new rather than as.new. Similarly
6115 * configure: Rebuilt.
6117 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
6119 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
6121 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
6123 * sparc/sparc.md: Add ultrasparc scheduling support.
6124 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
6126 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
6128 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
6129 as initial value for real_label_map.
6130 (copy_for_inline): Likewise.
6132 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6134 * sched.c (update_flow_info) When looking if to set found_split_dest
6135 or found_orig_dest, look at all parts of a PARALLEL.
6136 * haifa-sched.c (update_flow_info): Likewise.
6138 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
6140 * v850: New directory for v850 port.
6141 * v850/lib1funcs.asm: New file.
6142 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
6143 * ginclude/va-v850.h: New file.
6144 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
6145 * configure.in (mn10200-*-*): New target.
6146 * configure: Rebuilt.
6147 * config.sub: Handle v850-elf.
6148 * Makefile.in (USER_H): Add va-mn10200.h.
6149 * invoke.texi: Document v850 stuff.
6151 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
6153 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
6154 has integer TYPE_{MAX,MIN}_VALUE before using them.
6156 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6157 __HPUX_ASM__ versions.
6159 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
6161 * install.sh: Delete duplicate install script.
6163 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
6165 * reg-stack.c (subst_stack_regs): Pop the stack register for a
6166 computed goto which sets the same stack register.
6168 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
6169 destination are both on the regstack.
6170 (subst_stack_regs_pat): Put the destination at the top of the regstack.
6172 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
6174 * mips.md (nonlocal_goto_receiver): Define.
6176 * profile.c (output_arc_profiler): Check next_insert_after for non
6177 NULL before deferencing it.
6179 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
6181 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
6183 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
6185 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
6187 * toplev.c (rest_of_compilation): For passes starting with
6188 flow_analysis, use print_rtl_with_bb instead of print_rtl.
6190 * print-rtl.c (print_rtl_single): Print a single rtl value to a
6193 * flow.c (print_rtl_with_bb): Print which insns start and end
6194 basic blocks. For the start of a basic block, also print the live
6197 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
6199 * toplev.c (main): Change #elif to #else/#ifdef
6201 * tlink.c: Include ctype.h.
6202 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
6204 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
6206 * bitmap.c: Conditionally include stdlib.h.
6207 (free): Provide a declaration if NEED_DECLARATION_FREE.
6209 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
6211 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
6213 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
6215 * profile.c (output_arc_profiler): Verify next_insert_after is an
6216 INSN before and after skipping a stack pop.
6218 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6220 * final.c (shorten_branches): Don't count the lengths of deleted
6223 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
6225 * version.c: Bump for snapshot.
6227 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
6229 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
6230 two bitmaps ANDed together.
6231 (bitmap_print): Declare.
6233 * bitmap.c (function_obstack): Don't declare any more.
6234 (bitmap_obstack): Obstack for allocating links from.
6235 (bitmap_obstack_init): New static to say whether to initialize
6237 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
6238 (bitmap_release_memory): Free all memory allocated from
6241 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
6242 EXECUTE_IF_AND_IN_BITMAP.
6244 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
6246 * alias.c (true_dependence): Address with AND can alias scalars.
6247 (anti_dependence, output_dependence): Likewise.
6249 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
6251 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
6253 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
6254 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
6255 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
6256 definitions. Use -qrtems instead of -mrtems.
6258 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
6260 * xm-sco5.h (sys_siglist): Define.
6261 (SYS_SIGLIST_DECLARED): Likewise.
6263 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
6265 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
6267 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
6269 * except.c (eh_outer_context): Expand masking operation using
6272 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
6274 * alpha.md (floatdisf2-1): New pattern.
6276 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
6278 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
6279 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
6280 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
6281 * gcc.texi: Note that if you define sys_siglist that you should
6282 also define SYS_SIGLIST_DECLARED.
6284 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
6285 are relative to the next instruction, not the current instruction.
6287 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
6289 * local-alloc.c (contains_replace_regs): New function.
6290 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
6291 verify that there is no existing REG_EQUIV note, and add a call to
6292 contains_place_regs.
6294 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6296 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
6297 (STARTFILE_SPEC): Always use crtbegin.o%s
6298 (ENDFILE_SPEC): Always use crtend.o%s.
6300 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
6302 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
6304 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
6305 SFmode for 64 bit hosts.
6307 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
6309 * fixincludes: Permits spaces between # and define. Discard C++
6310 comments in sys/pci.h on HP/UX 10.20.
6312 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
6314 * version.c: Bump for snapshot.
6316 * pa.c (restore_unscaled_index_insn_codes): New function.
6317 (record_unscaled_index_insn_codes): Likewise.
6318 (output_function_prologue): Call restore_unscaled_index_insn_codes.
6319 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
6320 (pa_reorg): Call record_unscaled_index_insn_codes.
6322 * haifa-sched.c (move_insn): Handle notes correctly for insns
6323 with SCHED_GROUP_P set.
6325 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6327 * alpha/xm-linux.h (USE_BFD): Undef before define.
6329 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
6331 * cse.c (cse_insn): Don't record BLKmode values.
6333 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
6335 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
6337 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
6339 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
6340 * collect2.c (sys_errlist): Likewise.
6341 * cpplib.c (sys_errlist): Likewise.
6342 * gcc.c (sys_errlist): Likewise.
6343 * protoize (sys_errlist): Likewise.
6344 * configure.in: Check for strerror.
6345 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
6346 * xm-gnu.h (HAVE_STRERROR): Likewise.
6347 * xm-linux.h (HAVE_STRERROR): Likewise.
6348 * xm-netbsd.h (HAVE_STRERROR): Likewise.
6349 * xm-bsd386.h (HAVE_STRERROR): Likewise.
6350 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
6351 * xm-dos.h (HAVE_STRERROR): Likewise.
6352 * xm-mingw32.h (HAVE_STRERROR): Likewise.
6353 * xm-pa.h (HAVE_STRERROR): Likewise.
6354 * xm-papro.h (HAVE_STRERROR): Likewise.
6355 * xm-sysv4.h (HAVE_STRERROR): Likewise.
6356 * configure, config.in: Rebuilt.
6358 * Makefile.in: Add several missing "else true" clauses.
6360 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
6361 * mips-tfile.c: Likewise.
6362 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
6363 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
6364 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
6365 * configure.in: Check for sys_siglist declaration.
6366 * configure, config.in: Rebuilt.
6368 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
6370 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
6371 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
6372 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
6373 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
6374 * rs6000/sysv4.h (extra_subtarget_switches): Added new
6375 macro EXTRA_SUBTARGET_SWITCHES.
6376 * configure.in (sh*-*-rtems*): New target.
6377 * sh/rtems.h: New file.
6378 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
6379 * configure: Rebuilt.
6381 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
6383 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
6385 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
6387 * rs6000.md: Make DF fused-add operations pay attention to
6390 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
6392 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
6394 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
6396 * pa.md (reload_peepholes): Make sure operand is a REG before
6397 examining REGNO. Allow general registers too.
6399 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
6401 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
6403 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
6405 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
6406 to reallocate abbrev_die_table.
6408 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
6410 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
6412 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6414 * Makefile.in (config.status): Depend on version.c
6416 * expr.h (insn_gen_function): Reenable prototype.
6418 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
6421 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
6423 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
6425 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
6427 * version.c: Bump for latest snapshot.
6429 * bc-optab.c: Conditionally include stdlib.h.
6430 (free): Provide a declaration if NEED_DECLARATION_FREE.
6431 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
6432 * rtl.h (free): Remove declaration.
6433 * tree.h (free): Remvoe declaration.
6435 * configure: Rebuilt.
6437 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
6439 * flags.h (flag_move_all_movables): Declare.
6440 (flag_reduce_all_givs): Likewise.
6441 * loop.c (move_movables): Handle flag_move_all_movables.
6442 (strength_reduce): Handle flag_reduce_all_givs.
6443 * toplev.c (flag_move_all_movables): Define.
6444 (flag_reduce_all_givs): Likewise.
6445 (f_options): Add -fmove-all-movables and -freduce-all-givs.
6446 * invoke.texi: Document new options, including alias stuff that
6447 wasn't included last time.
6449 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
6451 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6454 * t-vxworks68: Ditto.
6455 * t-vxworks960: Ditto.
6458 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
6460 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
6461 if not already defined, and USE_C_ALLOCA not defined.
6463 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
6465 * config.guess: Replace with script that uses ../config.guess.
6467 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
6468 if USE_GNULIBC_1 is not defined.
6470 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
6472 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
6473 * config.guess: Recognize alpha-linux-gnulibc1.
6474 * configure.in (alpha-*-linux-gnulibc1): New target.
6475 (alpha-*-linux-gnu*): Don't build crtbegin/end.
6477 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
6479 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
6482 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
6484 * loop.c (combine_movables): Earlier insns don't match later ones.
6486 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6488 * config/linux.h (CC1_SPEC): Define it only if not defined.
6490 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
6493 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
6494 USE_GNULIBC_1 is not defined.
6496 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
6498 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
6499 as 1 if USE_GNULIBC_1 is not defined.
6501 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
6503 * reorg.c (dbr_schedule): Allow current_function_return_rtx
6504 to be something other than a REG.
6505 * function.c (expand_function_end): Fix current_function_return_rtx
6508 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
6509 * x-netbsd: Likewise
6510 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
6511 (INSTALL_HEADERS): Delete.
6512 * x-dguxbcs: Likewise.
6513 * x-hp3bsd44: Likewise
6516 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6518 * i386.md (pop): pop increments the stack pointer.
6519 (prologue_set_stack_ptr): New pattern.
6520 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
6523 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
6525 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
6526 address where an offsettable address is required.
6528 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
6530 * loop.c (check_final_value): Don't miss a biv increment in a
6533 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
6535 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
6536 TYPE_DECL_IS_STUB instead of DECL_NAME.
6538 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6540 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
6542 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
6544 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
6546 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
6548 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
6549 (find_post_sched_live): Likewise.
6551 * haifa-sched.c (schedule_block): Remove old code to get arguments
6552 from hard regs into pseudos early.
6554 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
6556 * version.c: Bump for new snapshot.
6558 * local-alloc.c (update_equiv_regs): All the target to reject
6559 promotion of some REG_EQUAL to REG_EQUIV notes.
6560 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
6562 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
6565 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
6566 store of the argument registers.
6568 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
6570 * fold-const.c (multiple_of_p): New function.
6571 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
6573 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
6575 * expr.h (insn_gen_function): Temporarily remove prototype.
6577 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
6579 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
6580 filenames. Use sed to extract base filename for install.
6582 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
6584 * unroll.c (find_splittable_givs): Only share if two givs have the
6585 same add and multiply values.
6587 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
6589 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
6590 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
6592 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
6594 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
6595 around branch tables.
6596 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
6597 and .end_brtab directives if TARGET_GAS.
6599 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
6601 * alias.c (true_dependence): Pass x_addr not x to varies.
6603 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
6604 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
6605 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
6607 * config.in, configure: Regenerate.
6609 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
6611 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
6613 (record_set): Handle LO_SUM like PLUS.
6614 (init_alias_analysis): When following chains of base addresses,
6615 do not stop on reaching a hard register.
6617 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
6619 * version.c: Bump for new snapshot.
6621 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
6623 * alpha.h (ARCH_ASM_FILE_START): Define.
6624 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
6625 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
6627 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
6629 * Makefile.in (install-common): Put gcov comment at start of line.
6631 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
6633 * alias.c (init_alias_analysis): When simplifying the reg_base_value
6634 array, simplify entries for hard registers too.
6636 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
6638 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
6641 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
6643 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
6644 block_stack before dereferencing it.
6646 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
6648 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
6650 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6652 * cplus-dem.c: Add 'extern' to prepends_underscore.
6654 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
6656 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
6657 (get_issue_rate): Delete.
6658 * pa.h (ISSUE_RATE): Define.
6660 * configure.in: Turn on haifa by default for the PA.
6661 * configure: Rebuilt.
6662 * pa.c (override_options): Accept -mschedule=7200 option.
6663 (pa_adjust_cost): No longer need to scale costs for newer
6665 * pa.h (enum processor_type): Add PROCESSOR_7200.
6666 * pa.md: Revamp scheduling parameters to work better with
6667 haifa. Add scheduling parameters for the 7200.
6669 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
6671 (schedule_block): When adjusting basic_block_{head,end}, account
6672 for movement of SCHED_GROUP_P insns too.
6674 * haifa-sched.c (debug_dependencies): Fix thinko.
6676 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
6677 (site.exp, check, check-g++, check-gcc): New targets.
6679 * haifa-sched.c: Make lots of variables static.
6681 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
6683 * expr.h, real.h: Finish prototyping.
6685 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
6687 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
6688 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
6689 * reload1.c: Undo bugfix from Aug 11.
6691 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
6693 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
6694 quotes around the name.
6695 * configure: Regenerate.
6697 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
6699 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
6701 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
6703 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
6704 to sub-makes to avoid building more passes than the user might have
6705 requested on the command line.
6707 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
6709 * configure.in: Expurgate `broken_install' (install is
6712 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
6715 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
6717 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
6718 functions and declarations.
6719 (analyze_loop_iterations): Use condjump_p.
6720 (insert_bct): Likewise. Use exact_log2.
6722 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
6724 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
6725 (schedule_region): Likewise.
6726 (schedule_insns): Likewise.
6728 * PROJECTS: Update with Haifa stuff.
6730 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
6732 * version.c: Change the version string to look like:
6733 egcs-2.90.00 970814 (gcc2-970802 experimental).
6735 * loop.c (is_conditional_branch): Make definition match declaration.
6737 * gcc.c: Take out experimental snapshot warning message.
6739 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
6741 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
6742 print out the names of the notes. Print out the name of the insn
6743 that is not a note, and not an {,CALL_,JUMP_}INSN.
6745 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
6747 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
6748 again for the slot after we give it RTL.
6750 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
6752 * configure.in (haifa configury): Fix typo.
6753 * configure: Regenerate.
6755 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
6757 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
6759 * gcc.info*: Rebuilt.
6761 * COPYING.g77, README.g77: New files.
6762 * real.c (ereal_unto_float, ereal_unto_double): New functions.
6763 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
6764 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
6766 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
6768 * Integrate Haifa instruction scheduler.
6769 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
6770 to sched with $(SCHED_CFLAGS.
6771 * configure.in: Handle --enable-haifa.
6772 * configure: Rebuilt.
6773 * flags.h: Add new flags for haifa instruction scheduler.
6774 * genattrtab.c (expand_units): For haifa, don't subtract one
6775 when computing blockage.
6776 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
6777 (flag_schedule_speculative): Ditto.
6778 (flag_schedule_speculative_load): Ditto.
6779 (flag_schedule_speculative_load_dangerous): Ditto.
6780 (flag_schedule_reverse_before_reload): Ditto.
6781 (flag_schedule_reverse_after_reload): Ditto.
6782 (flag_branch_on_count_reg): Ditto.
6783 (f_options): Add Haifa switches.
6784 (main): Turn off some Haifa options if appropriate macro is
6785 defined. Process Haifa switches.
6786 * unroll.c (iteration_info): No longer static, since Haifa
6788 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
6789 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
6790 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
6791 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
6792 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
6793 storage for the Haifa scheduler.
6794 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
6796 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
6797 are defined, call analyze_loop_iterations and insert_bct to use
6799 (record_giv): Refine test for jumps out of loops if HAIFA is
6801 (analyze_loop_iterations): New function to identify if we can use
6803 (insert_bct): Insert countdown loop.
6804 (instrument_loop_bct): Low level code to insert countdown loop.
6805 (loop_number): Calculate UID of loop.
6806 (indirect_jump_in_function_p): Return true if an indirect jump is
6808 (is_power_of_2): Return true if value is a power of 2.
6809 (is_conditional_branch): Return true if insn is a conditional
6811 (fix_bct_param): Process -fbct-{min,max}-N switches.
6812 (check_bct_param): Return true if loop should be instrumented.
6813 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
6814 (loop_optimize): Initialize.
6815 (get_condition_for_loop): Ditto.
6816 * loop.c (strength_reduce): Inside of code that uses #ifdef
6817 HAVE_decrement_and_branch_on_count code, test it to make sure the
6819 (instrument_loop_bct): Ditto.
6820 * haifa-sched.c: New file.
6823 * Integrate regmove pass.
6824 * Makefile.in (OBJS): Add regmove.o
6825 (regmove.o): Add dependencies.
6826 * flow.c (find_use_as_address): No longer static.
6827 * rtl.h (find_use_as_address): Declare.
6828 * toplev.c (regmove_dump, flag_regmove): Define.
6829 (f_options): Add -fregmove.
6830 (regmove_dump_file, regmove_time): Define.
6831 (fatal_insn): Close the regmove dump file.
6832 (compile_file): Initialize regmove_time; open/close the regmove dump
6833 file as needed. Print regmove time as needed.
6834 (rest_of_compilation): Run regmove pass if requested, dump
6835 RTL after regmove if requested.
6836 (main): If -O2 or more, turn on regmove. Handle dump switches.
6837 * regmove.c: New file.
6839 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6841 * Integrate tlink patch from jason@cygnus.com
6842 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6843 (process_command): Increment n_switches for them. Don't discard
6844 their args. Validate them.
6845 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6847 (process_command): Set include_prefixes from COMPILER_PATH.
6848 (main): Set COLLECT_GCC_OPTIONS sooner.
6849 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6850 * tlink.c, hash.c, hash.h: New files.
6851 * Makefile.in (USE_COLLECT2): Always use collect2.
6852 (collect2): Depend on and link in hash.o and tlink.o.
6853 (tlink.o, hash.o): Add dependencies.
6855 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6857 * Integrate alias analysis changes from jfc@mit.edu
6858 * Makefile.in (OBJS): Add alias.o
6859 (alias.o): Add dependencies.
6860 * alias.c: New file.
6861 * sched.c: Remove alias analysis code. It lives in alias.c now.
6862 (sched_analyze_2): Add new arguments to true_dependence.
6863 (schedule_insns): Always call init_alias_analysis.
6864 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6865 mark return value from such functions as a pointer and keep track of
6866 them for alias analysis. If a return value from a function is a
6867 pointer, mark it as such.
6868 * combine.c (distribute_notes): Handle REG_NOALIAS.
6869 * cse.c (struct write_data): Delete. No longer needed.
6870 (invalidate): Don't call set_nonvarying_address_components anymore.
6871 Use true_dependence to decide if an entry should be removed from
6873 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6875 (note_mem_written): Similarly for WRITE_PTR argument.
6876 (invalidate_from_clobbers): Similarly for W argument.
6877 (invalidate_for_call): Remove memory elements from the hash table.
6878 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6879 (cse_rtx_varies_p): New function. Derived from old
6880 cse_rtx_addr_varies_p.
6881 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6882 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6883 pointer if PUSH_ROUNDING is defined. No longer need to call
6884 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6885 (skipped_writes_memory): Remove variable.
6886 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6887 (invalidate_skipped_block): Simplify for new alias analysis code.
6888 (cse_set_around_loop): Likewise.
6889 (cse_main): Call init_alias_analysis.
6890 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6891 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6892 (f_options): Add new alias checking arguments.
6893 (main): Set flag_alias_check when optimizing.
6894 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6896 (memref_referenced_p): Likewise.
6897 * loop.c (NUM_STORES): Increase to 30.
6898 (prescan_loop): Only non-constant calls set unknown_address_altered.
6899 (invariant_p): Add new arguments to true_dependence.
6900 (record_giv): Initialize unrolled and shared fields.
6901 (emit_iv_add_mult): Call record_base_value as needed.
6902 * loop.h (struct induction): Add unrolled and shared fields.
6903 * unroll.c (unroll_loop): Call record_base_value as needed.
6904 (copy_loop_body): Likewise.
6905 (final_biv_value): Likewise.
6906 (final_giv_value): Likewise.
6907 (find_splittable_regs): Likewise. Only create one new pseudo
6908 if we have multiple address GIVs that were combined with the same
6909 dst_reg GIV. Note when a new register is created due to unrolling.
6910 * rtl.c (reg_note_name): Add REG_NOALIAS.
6911 * rtl.h (enum reg_note): Similarly.
6912 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6913 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6914 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6915 (true_dependence, read_dependence, anti_dependence): Likewise.
6916 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6917 (mark_user_reg, mark_reg_pointer): Likewise.
6920 * Integrate reload bugfix from Wilon which enables the PA port
6922 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6923 OPERAND_ADDRESS when computing how many registers an insn needs.
6924 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6926 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6928 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6929 in reload_reg_use_in_op_addr do not reach the end.
6930 do not reach the end.
6931 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6932 RELOAD_FOR_OPERAND_ADDRESS.
6934 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6936 * egcs project officially starts.