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Makefile.in (gensupport.o): Compile for the host.
[thirdparty/gcc.git] / gcc / ChangeLog
CommitLineData
3916d6d8
RH		 12000-05-06 Richard Henderson <rth@cygnus.com>
2
3 * Makefile.in (gensupport.o): Compile for the host.
4 (host-prefix gensuuprt.o): Remove.
5 (genflags.o): Depend on gensupport.h and OBSTACK_H.
6 (genattrtab.o): Likewise.
7 (gencodes.o): Depend on gensupport.h.
8 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
9 (genpeep.o, genattr.o, genoutput.o): Likewise.
10
11 * gensupport.c (obstack, rtl_obstack): New.
12 (init_md_reader): Initialize rtl_obstack.
13 * gensupport.h (rtl_obstack): Declare.
14 (message_with_line): Declare.
15
16 * genattr.c: Remove all traces of obstack manipulation.
17 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
18 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
19
20 * genattrtab.c (obstack, rtl_obstack): Remove.
21 (main): Don't init rtl_obstack.
22 * genflags.c: Likewise.
23
24 * genrecog.c (message_with_line): Move ...
25 * gensupport.c: ... here.
26
6efd8160
RH		 272000-05-06 Richard Henderson <rth@cygnus.com>
28
29 * c-typeck.c (build_c_cast): Remove dead code.
30
6482ee51
RH		 312000-05-06 Richard Henderson <rth@cygnus.com>
32
33 * flow.c (split_edge): Don't allocate global_live_at_start for
34 the new block unless the old blocks had them as well.
35
507741dd
RH		 36 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
37
65189757 38 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
02a749ec 39 test_bb if a or b uses x.
65189757 40
8784fdcd
ZW		 412000-05-06 Zack Weinberg <zack@wolery.cumb.org>
42
43 * cpphash.h: Remove conditional #define of __extension__.
44 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
45 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
46 (ENABLE_RTL_CHECKING only).
47 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
48 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
49 (ENABLE_TREE_CHECKING only).
50 * varray.h: Add __extension__ to VARRAY_CHECK macro
51 (ENABLE_CHECKING only).
52
0616531f
RE		 532000-05-06 Richard Earnshaw (reanrsha@arm.com)
54
55 Use new tail-calling mechanism on ARM.
56 * arm.md (sibcall, sibcall_value): New expands.
57 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
58 (tailcalling peepholes): Delete.
59 (push_multi): Simplify.
60 * arm.c (lr_save_eliminated): Delete definition.
61 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
62 (output_return_instruction): Remove checks on lr_save_eliminated.
63 (output_arm_prologue): Remove old tail-calling code.
64 (arm_output_epilogue): New parameter, really_return. All callers
65 changed. Handle tail-calling epilogues.
66 * arm.h (lr_save_eliminated): Delete declaration.
67 (frame_pointer_needed): Delete declaration.
68 * arm-protos.h (arm_output_epilogue): Adjust prototype.
69
70 * arm.md (is_thumb): Examine symbol thumb_code, not expression
71 TARGET_ARM.
72 * arm.c (thumb_code): Define it.
73 (arm_override_options): Set it.
74 * arm.h (thumb_code): Declare it.
75
ac670723
RE		 762000-05-06 Richard Earnshaw (reanrsha@arm.com)
77
78 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
79
41e3f998
RE		 802000-05-06 Richard Earnshaw (reanrsha@arm.com)
81
82 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
83 bogus clobber to insns.
84 (load_multiple_operation, store_mulitple_operation): Don't check
85 for it.
86 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
87
88 * arm.md (and_scc, ior_scc): Add missing mode.
89
90 * arm.md (call_value_symbol): Remove predicate from op2.
91
ad027eae
RE		 92 * arm.h (SPECIAL_MODE_PREDICATES): Define.
93
296b4ed9
RK		 94Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
95
96 * expr.c (get_subtarget): New function.
97 (force_operand, expand_expr, do_store_flag): Use it.
98
99 * toplev.c (compile_file): Don't take strlen of NAME if null.
100
53cd5d6c
DE		 1012000-05-06 David Edelsohn <edelsohn@gnu.org>
102
103 * xcoffout.c (xcoff_current_include_file,
104 xcoff_current_function_file, xcoff_lastfile): Constify char *.
105 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
106 char *'.
107 (xcoffout_declare_function): Make name 'const char *'.
108 (xcoffout_end_epilogue): Make fname 'const char *'
109 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
110 xcoffout_declare_function, xcoffout_source_line): Match above.
111
112 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
113 -maix64 is error.
114 * rs6000.c (print_operand): Fix lossage typo.
115 (output_cbranch): Remove "cr" decoration for now.
116 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
117
042575e9
DC		 118Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
119
120 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
121 constant count.
122
b1a0b75d
BK		 1232000-05-05 Bruce Korb <bkorb@gnu.org>
124
125 * fixinc/genfixes: Improve the matching for make target names
126
d20a70b4
CM		 1272000-05-05 Catherine Moore <clm@cygnus.com>
128
129 * c-common.c (decl_attributes): For TYPE_DECLs attach the
130 attribute to the decl.
131 * c-decl.c (pushdecl): Propagate the USED attribute to the
132 type copy.
133
37ceff9d
RH		 1342000-05-05 Richard Henderson <rth@cygnus.com>
135
136 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
137 same way emit_group_load does.
138
1a8bb3dd
JL		 1392000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
140
4ebe197a
ME		 141 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
142
1a8bb3dd
JL		 143 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
144 (main): Likewise.
145
1462000-05-05 Rodney Brown <RodneyBrown@mynd.com>
d8bea1c6
RB		 147
148 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
149
6a0177c5
ME		 150Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
151
152 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
153 to support -shared, on platforms with dynamic libraries.
154
be3dad6f
PDM		 155Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
156
157 * system.h (S_ISBLK): Provide fallback definition.
158
eda3fbbe
GB		 1592000-05-05 Geoff Berry <geoffb@bops.com>
160
161 * extend.texi (Extended Asm): Document inability to give asm
162 statements access to condition codes.
163
4edee0e6
MM		 1642000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
165
166 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
167 as arg 2 of UNIQUE_SECTION.
168
cde9b87d
JL		 169Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
170
171 * predict.c: Remove May 4 change.
172 * bb-reorder.c (make_reorder_chain): Do not perform block movement
173 if we have predicted the branch at 50-50 probability.
174
ad3958e7
RH		 1752000-05-05 Richard Henderson <rth@cygnus.com>
176
177 * flow.c (init_propagate_block_info): Fix merge error
178 in HAVE_conditional_execution code.
179
180Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
0db7ad3a
DC		 181
182 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
183 shift cycle for unknown shift count. Also generates dec + brpl.
184 (ashlqi3_out): Don't generate dec + brpl which now generates by
185 `out_shift_with_cnt'.
186 (ashlhi3_out): Likewise.
187 (ashlsi3_out): Likewise.
188 (ashrqi3_out): Likewise.
189 (ashrhi3_out): Likewise.
190 (ashrsi3_out): Likewise.
191 (lshrqi3_out): Likewise.
192 (lshrhi3_out): Likewise.
193 (lshrsi3_out): Likewise.
194
ba40970f
ME		 1952000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
196
197 * gcc.c (free_split_directories): Correct typo in explanation
198 of make_relative_prefix.
199
fce91820
GK		 2002000-05-04 Geoff Keating <geoffk@cygnus.com>
201
202 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
203 comparison codes to branch_comparison_operator.
204
8eeb3159
RH		 2052000-05-04 Richard Henderson <rth@cygnus.com>
206
207 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
208
00447f7d
RH		 2092000-05-04 Richard Henderson <rth@cygnus.com>
210
211 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
212 (DPBIT_FUNCS): Remove _sf_to_usi.
213 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
214
215 * ifcvt.c (noce_process_if_block): Fail if A or B modified
216 between condition and jump.
217
218 * libgcc2.c (near eh_context_specific): Comment #endif string.
219 * longlong.h: Don't use strings with embedded newlines.
220
12a4e8c5
GK		 2212000-05-04 Geoff Keating <geoffk@cygnus.com>
222
223 * config/rs6000/rs6000-protos.h: Add output_cbranch.
224 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
225 (print_operand): Delete %t and %T codes.
226 (output_cbranch): New function. Support branch prediction.
227 * config/rs6000/rs6000.md: Use output_cbranch for
228 conditional branches and returns.
229
f9e158c3
JM		 2302000-05-04 Jason Merrill <jason@casey.cygnus.com>
231
232 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
233 * stor-layout.c (place_field): Likewise.
234 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
235 * expr.c (store_expr): Make align unsigned.
236 * explow.c (plus_constant_wide): Make low words unsigned.
237 * expmed.c (choose_multiplier): Likewise.
238 * fold-const.c (fold): Likewise.
239 * tree.h (build_int_2): Likewise.
240 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
241 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
242 (init_emit): Change cast to unsigned char*.
243 * varasm.c (compare_constant_1): Add cast to char*.
244 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
245 * reload1.c (reload): Likewise.
246
247 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
248
926fd2e1
JL		 249Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
250
251 * predict.c (estimate_probability): If no prediction was found, then
252 predict the successor that is the next physical block (if such a
253 successor exists).
254
18b554cb
RH		 2552000-05-04 Richard Henderson <rth@cygnus.com>
256
257 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
258
7a98f269
KG		 2592000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
260
261 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
262
d34cba2b
MK		 2632000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
264
2afc3e47
MK		 265 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
266 attribute macros from here ...
267 (CPP_SPEC): to here.
268 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
269 (CPP_SPEC): Likewise.
270 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
271
d34cba2b
MK		 272 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
273 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
274
36244024
KG		 2752000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276
277 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
278
279 * diagnostic (vbuild_message_string, build_message_string,
280 build_location_prefix, output_get_prefix, init_output_buffer,
281 output_notice, vline_wrapper_message_with_location,
282 v_message_with_decl, default_print_error_function): De-constify.
283 (set_real_maximum_length): Prototype.
284
285 * diagnostic.h (struct output_buffer, init_output_buffer,
286 output_get_prefix, output_set_prefix): De-constify.
287
288 * function.c (init_function_start): Constify.
289
290 * gensupport.c (remove_constraints, process_rtx): Prototype.
291
292 * gthr-posix.h: Indent uses of #pragma.
293
294 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
295 Prototype.
296
297 * predict.c (find_expected_value): Delete prototype.
298 (expected_value_to_br_prob): Initialize variable `ev_reg'.
299
300 * sbitmap.h (debug_sbitmap): Prototype.
301
302 * ssa.c (compute_coalesced_reg_partition): Prototype.
303
304 * stor-layout.c (debug_rli): Prototype.
305
306 * tree.h (round_down): Prototype.
307 (init_function_start): Constify.
308
57c578a6
ZW		 3092000-05-04 Zack Weinberg <zack@wolery.cumb.org>
310
311 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
312 (overly conservative). Change extern inline wrappers to
313 static inline, define them always, use PARAMS properly.
314 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
315 whitespace warnings for \f and \v at the beginning of a line.
316
4e95db71
JL		 317Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
318
319 * haifa-sched.c (schedule_insns): Free the flow edge list when it
320 is no longer needed
321
72b9c7fb
BK		 3222000-05-04 Bruce Korb <bkorb@gnu.org>
323
324 * fixincl/inclhack.def: added broken_cabs -
325 Remove `extern double cabs' declarations from math.h
326 * fixincl/inclhack.sh: regen
327 * fixincl/fixincl.x: regen
6b151aa7
BK		 328 * fixincl/fixincl.c: Remove BOGOSITY code
329 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
72b9c7fb 330
bf49b139
RK		 331Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
332
333 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
334 MEM_ALIAS_SET.
335 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
336 when calling MEM_COPY_ATTRIBUTES.
337 * emit-rtl.c (operand_subword, change_address): Likewise.
338 * explow.c (stabilize): Likewise.
339 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
340 * integrate.c (copy_rtx_and_substitute): Likewise.
341 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
342 when calling MEM_COPY_ATTRIBUTES.
343 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
344 Likewise.
345 * cse.c (gen_lowpart_if_possible): Likewise.
346 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
347 * optabs.c (gen_move_insn): Likewise.
348 * recog.c (validate_replace_rtx_1): Likewise.
349 * simplify-rtx.c (add_mem_for_addr): Likewise.
350 * stmt.c (expand_anon_union_decl): Likewise.
351 * config/arm/arm.md: Likewise.
352 * config/h8300/h7300.c (fix_bit_operand): Likewise.
353 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
354 (block_move_no_loop, block_move_sequence): Likewise.
355 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
356 * config/alpha/alpha.c (get_aligned_mem): Likewise.
357 Clear MEM_ALIAS_SET.
358 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
359 MEM_COPY_ATTRIBUTES.
360
5b8714bf
RL		 3612000-05-03 Robert Lipe <robertlipe@usa.net>
362
363 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
364 to suppress libgcc1.
365 (i[34567]86-*-sco3.2v5*) Likewise.
366 (i[34567]86-*-sco3.2v4*) Likewise.
367 (i[34567]86-*-sco) Likewise.
368 (i[34567]86-*-solaris2) Likewise.
369 (i[34567]86-*-sysv5*) Likewise.
370 (i[34567]86-*-sysv4*) Likewise.
371 (i[34567]86-*-udk*) Likewise.
372 (i[34567]86-*-sysv*) Likewise.
373
12cf91fe
ZW		 3742000-05-03 Zack Weinberg <zack@wolery.cumb.org>
375
376 * cpphash.h (U): New define, to correct type of string constants.
377 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
378 routines, to do casts when passing unsigned strings to libc.
379 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
380
381 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
382 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
383 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
384 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
385 second argument an U_CHAR *.
386
387 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
388 length field, clean up initializer.
389 (ISTABLE): Add __extension__ to designated-
390 initializers version.
391 * cpplex.c (CHARTAB): Likewise.
392
393 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
394 case so the file won't be empty.
395
2a6fa433
JE		 396Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
397
398 * bb-reorder.c (struct reorder_block_def): Member succ removed.
399 (REORDER_BLOCK_SUCC): Removed.
400 (enum reorder_skip_type): Removed.
401 (skip_insns_between_block): Renamed to skip_insns_after_block.
402 Removed second argument. Removed dead code and cleaned up.
403 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
404 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
405 second parameter to skip_insns_after_block.
406
1c12c179
RK		 407Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
408
409 * tree.c (staticp, case LABEL_DECL): New case.
410
658a87e5
RH		 4112000-05-03 Richard Henderson <rth@cygnus.com>
412
413 * Makefile.in (start.encap): Do not depend on LIBGCC1.
414
f4118ce9
RH		 415 * mklibgcc1.in: Fix typo last change.
416
6bed14c7
JM		 4172000-05-03 Jason Merrill <jason@casey.cygnus.com>
418
419 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
420 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
421 (GCC_CFLAGS): Use it.
422 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
423 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
424 objc/Make-lang.in: Use it.
425
122ddbf9
JT		 4262000-05-03 Jason R Thorpe <thorpej@zembu.com>
427
428 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
429
efdd2c06
RH		 4302000-05-03 Richard Henderson <rth@cygnus.com>
431
432 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
433 LIBGCC1 empty with libgcc1.null.
434
13393c8a
JW		 435Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
436
437 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
438 change.
439
a6d7adfd
GM		 4402000-05-03 Greg McGary <gkm@gnu.org>
441
442 * tree.h (tree_common): Add bounded_flag member. Remove
443 inaccurate comment about number of remaining bits.
444 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
445 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
446 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
447 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
448 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
449 (TYPE_QUAL_BOUNDED): New constant.
450 (TYPE_QUALS): Handle bounded qualifier.
451 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
452 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
453 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
454 TYPE_AMBIENT_BOUNDEDNESS): New macros.
455 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
456 (tree_type): Add pointer_depth member. Remove
457 inaccurate comment about number of remaining bits.
458 (DECL_POINTER_DEPTH): Add macro.
459 (tree_decl): Add pointer_depth member.
460
28e801e2
DC		 461Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
462
463 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
464 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
465 (lshrhi3_out): Likewise.
466 (ashrsi3_out): bugfix in shift by 8.
467 (test_hard_reg_class): New function.
468 * config/avr/avr.md: Bugfix inside conditions in peepholes.
469 (ashlhi3): removed define_expand of this pattern.
470 (*ashlhi3_insn): renamed to ashlhi3.
471 (ashlsi3): removed define_expand of this pattern.
472 (*ashlsi3_insn): renamed to ashlsi3.
473 (ashrqi3): removed define_expand of this pattern.
474 (*ashrqi3_insn): renamed to ashrqi3.
475 (ashrhi3): removed define_expand of this pattern.
476 (*ashrhi3_insn): renamed to ashrhi3.
477 (ashrsi3): removed define_expand of this pattern.
478 (*ashrsi3_insn): renamed to ashrsi3.
479 (lshrhi3): removed define_expand of this pattern.
480 (*lshrhi3_insn): renamed to lshrhi3.
481 (lshrsi3): removed define_expand of this pattern.
482 (*lshrsi3_insn): renamed to lshrsi3.
483
4bd048ef
RB		 4842000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
485
486 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
487 inclusion of "system.h".
488
59da9a7d
JW		 489Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
490
491 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
492 TREE_ASM_WRITTEN.
493
4942000-05-03 David Mosberger <davidm@hpl.hp.com>
495
496 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
497 if -mauto-pic is on.
498 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
499 -mconstant-gp is in effect and function-descriptors are being used
500 to make indirect calls.
501 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
502 (MASK_AUTO_PIC): Ditto.
503 (TARGET_CONST_GP): Ditto.
504 (TARGET_AUTO_PIC): Ditto.
505 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
506 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
507 -mno-pic is in effect.
508 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
509 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
510 -mauto-pic is in effect.
511 (gprel64_offset): New pattern.
512 (load_gprel64): Ditto.
513 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
514 -mconstant-gp is in effect, no need to preserve gp around direct
515 calls.
516 (call_value): Ditto.
517 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
518 (FUNCTION_PROFILER): Define.
519 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
520 @fptr() directive when -mno-pic or -mauto-pic is in effect.
521 (ASM_OUTPUT_DESTRUCTOR): Ditto.
522
3ec83fc2
RH		 5232000-05-03 Richard Henderson <rth@cygnus.com>
524
525 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
526 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
527 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
528 (mklibgcc, libgcc.mk): New targets.
529 (libgcc.a): Use libgcc.mk.
530 (stmp-multilib): Likewise.
531 (stmp-multilib-sub): Remove.
532 (mostlyclean): Don't delete libgcc2 temp files.
533 * configure.in (AC_PROG_CC_C_O): Add.
534 (NO_MINUS_C_MINUS_O): Substitute it.
535 (all_outputs): Add mklibgcc.
536 * mklibgcc.in: New file.
537
8c8de5fc
JM		 5382000-05-03 Jason Merrill <jason@casey.cygnus.com>
539
540 * cppexp.c (op_t): Make an int.
541
542 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
543
544 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
545
546 * gensupport.c (process_rtx): Fix macros used.
547
8d6fe133
RH		 5482000-05-03 Richard Henderson <rth@cygnus.com>
549
550 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
551 call-clobbered registers of a call.
552
c88c0d42
CP		 553Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
554
555 * gensupport.c: New file.
556 * gensupport.h: New file.
557 * Makefile.in (HOST_RTL): Depend on gensupport.
558 (gensupport.o) New rule.
559 * genattr.c: Use gensupport for reading .md files.
560 * genattrtab.c: Ditto.
561 * gencodes.c: Ditto.
562 * genconfig.c: Ditto.
563 * genemit.c: Ditto.
564 * genextract.c: Ditto.
565 * genflags.c: Ditto.
566 * genopinit.c: Ditto.
567 * genoutput.c: Ditto.
568 * genpeep.c: Ditto.
569 * genrecog.c: Ditto.
570 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
571 * md.texi (Insn Splitting): Document define_insn_and_split.
572
18ca529b
JE		 573Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
574
3ec83fc2
RH		 575 * flow.c (verify_flow_info): Added two more sanity checks. The
576 first checks that the blocks are numbered consecutively. The second
577 checks that n_basic_blocks is actually equal to the number of
578 basic blocks in the insn chain.
18ca529b 579
1920de47
ZW		 5802000-05-03 Zack Weinberg <zack@wolery.cumb.org>
581
582 * cpplib.h: Add accessor macros for token lists.
583 * cpplib.c, cpphash.c, cpplex.c: Use them.
584
32919a0d
RK		 585Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
586
587 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
588 memory usage if not in a function.
589 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
590 return address if static.
591
ea49bef6
JH		 592Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
593
594 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
595 whether address may trap.
596
3ef4c9c6
JE		 597Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
598
3ec83fc2
RH		 599 * bb-reorder (chain_reorder_blocks): Changed code to test for
600 EDGE_FALLTHRU rather than making erroneous assumption that the
601 first outgoing edge is the fall-through edge.
3ef4c9c6 602
4fe12442
DL		 603Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
604
605 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
606 ABI for varargs, across all MIPS. This is incompatible because the
607 va_list (__builtin_va_list) structure is different, so a compilation
608 unit passing a va_list and a compilation unit being passed one, should
609 both be compiled with the same ABI. (The old structure had two
610 pointers, now it has three.)
611
f4e79153
JE		 612Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
613
3ec83fc2
RH		 614 * bb-reorder.c (struct reorder_block_def): Remove members end,
615 block_begin, and block_end.
616 (REORDER_BLOCK_OLD_END): Delete.
617 (REORDER_BLOCK_BEGIN): Delete.
618 (REORDER_BLOCK_END): Delete.
619 (chain_reorder_blocks): Remove dead code.
f4e79153 620
eb6f82f7
JE		 621Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
622
623 * bb-reorder.c (remove_scope_notes): Check for both types of scope
624 notes as the end of a basic block before deleting.
625
3ac79482
MK		 6262000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
627
628 * final.c (final_start_function): Fix spelling of "necessary".
629
64b59a80
JM		 6302000-05-02 Jason Merrill <jason@casey.cygnus.com>
631
64b59a80
JM		 632 * toplev.c (debug_ignore_block): Return int.
633 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
634 * toplev.h, dwarf2out.h: Adjust.
635 * emit-rtl.c (remove_unnecessary_notes): Test return value.
636
637 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
638 * toplev.c, final.c, rtl.h: Adjust.
639
09fa0705
ZW		 6402000-05-02 Zack Weinberg <zack@wolery.cumb.org>
641
642 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
643 * configure.in: Look for makeinfo in the unified tree, then
644 for a system makeinfo which is sufficiently new.
645 * Makefile.in: If configure says makeinfo is too old, don't
646 build or install Info documentation.
647
1ce4a39d
ZW		 6482000-05-02 Zack Weinberg <zack@wolery.cumb.org>
649
650 * cpphash.c (collect_params): Fix off-by-one error.
651 (dump_hash_helper): Dump all four macro nodetypes.
652
9900f597
JJ		 6532000-05-02 Jakub Jelinek <jakub@redhat.com>
654
655 * cpphash.c (trad_stringify): Adjust p after stringification as
656 well.
657
c56c2073
ZW		 6582000-05-02 Zack Weinberg <zack@wolery.cumb.org>
659
660 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
661 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
662
663 * cppfiles.c (file_cleanup): Delete.
664 * cpphash.c (macro_cleanup): Delete.
665 (collect_objlike_expansion, collect_funlike_expansion,
666 macarg, scan_arguments): Remove CPP_POP case.
667
668 * cpplex.c (null_cleanup): Delete.
669 (cpp_pop_buffer): Do the work that was done in the cleanups
670 here. Call _cpp_unwind_if_stack from here.
671 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
672 cpp_scan_buffer): Run until we see CPP_EOF and the top of
673 stack is the buffer _below_ the one we stacked.
674 (cpp_get_token): Always pop an exhausted buffer. Return
675 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
676 * cpplib.c (skip_if_group): Don't call cpp_get_token to
677 increment the line number.
678 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
679
680 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
681 we see CPP_EOF and the top of stack is the buffer _below_ the
682 one we stacked.
683 * scan-decls.c: Likewise.
684
32adf8e6
AH		 6852000-05-02 Andrew Haley <aph@cygnus.com>
686
687 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
688 where this function is called for the second time on a decl that
689 has had its section info changed in such a way as to move it out
690 of small data/bss.
691 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
692
15ac7707
RH		 6932000-05-01 Richard Henderson <rth@cygnus.com>
694
695 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
696 the sequence we're moving, not to merge_bb->head.
697
8be9eb00
RH		 6982000-05-01 Richard Henderson <rth@cygnus.com>
699
cf889600
RH		 700 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
701 reference to alpha/t-linux.
702 (alpha*-*-linux-gnu*): Likewise.
703 * configure: Rebuild.
704
8be9eb00
RH		 705 * calls.c (expand_call): Don't emit reg notes for a sibcall.
706
1868a0d4
RH		 707 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
708 if not in SSA form.
7aa88bcf
RH		 709
710 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
711
8eec72ec
JM		 7122000-05-01 Jason Merrill <jason@casey.cygnus.com>
713
714 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
715 TREE_THIS_VOLATILE.
716
7e04d3c7
RH		 7172000-05-01 Richard Henderson <rth@cygnus.com>
718
719 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
720 emit_conditional_move.
721
f0b0e152
JJ		 7222000-05-01 Jakub Jelinek <jakub@redhat.com>
723
724 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
725 as the dynamic linker.
726
cc933923
ZW		 7272000-05-01 Zack Weinberg <zack@wolery.cumb.org>
728
10e56506
ZW		 729 * cppfiles.c (open_include_file): Open file in blocking mode.
730 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
731 Only exclude block devices and directories.
732
cc933923
ZW		 733 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
734 static. Allocate the hashnode and its string in the same
735 block of memory.
736 (del_HASHNODE): Don't free h->name.
737 (_cpp_lookup): If there is no entry for this string, create
738 one, of type T_VOID.
739 (_cpp_lookup_slot): Delete.
740 * cpphash.h: Update prototypes.
741
742 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
743 not hp == NULL.
744 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
745 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
746 node here, just fill in the value field properly. "Delete"
747 entries by setting the value field to T_VOID. Check for
748 hp->type == T_VOID, not hp == NULL.
749
750 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
751 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
752 hashtab.h.
753
ed6089d6
AO		 7542000-05-01 Alexandre Oliva <aoliva@cygnus.com>
755
79e4122c
AO		 756 * config/mn10300/mn10300.c (print_operand_address): Do not add
757 zero to SP.
758
ed6089d6
AO		 759 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
760 adjusted by less than 256 bytes, use ret regardless of having any
761 callee-saved register to restore.
762
7c714ee1
LB		 7632000-05-01 Laurynas Biveinis <lauras@softhome.net>
764
765 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
766
52e45a60
ME		 7672000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
768
769 * config/i386/djgpp.h (INT_ASM_OP): Define.
770 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
771 (ASM_WEAKEN_LABEL): Define.
772 (MASK_BNU210): Define.
773 (SUBTARGET_SWITCHES): Define.
774 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
775 (MAKE_DECL_ONE_ONLY): Define.
776 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
777
eb70f628
MK		 7782000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
779
780 * i386/cygwin.h (INT_ASM_OP): Define.
781
afd1bb91
DC		 782Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
783
784 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
785 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
786
368256d8
DC		 787Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
788
789 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
790 __tmp_reg__ and __zero_reg__ initialization.
791
c4686982
RH		 7922000-04-30 Richard Henderson <rth@cygnus.com>
793
5e9e738c
RH		 794 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
795
c4686982
RH		 796 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
797 referenced bewteen the condition and the jump. Don't delete
798 anything but the jump.
799
e3fdc58a
JE		 800Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
801
802 * bb-reorder.c (scope_def): New struct.
803 (scope_forest_info): New struct.
804 (struct reorder_block_def): New member "scope".
805 (REORDER_BLOCK_SCOPE): New macro.
806 (relate_bbs_with_scopes): New function and prototype.
807 (make_new_scope): Likewise.
808 (build_scope_forest): Likewise.
809 (remove_scope_notes): Likewise.
810 (insert_intra_1): Likewise.
811 (insert_intra_bb_scope_notes): Likewise.
812 (insert_inter_bb_scope_notes): Likewise.
813 (rebuild_scope_notes): Likewise.
814 (free_scope_forest_1): Likewise.
815 (free_scope_forest): Likewise.
816 (dump_scope_forest): Likewise.
817 (dump_scope_forest_1): Likewise.
818 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
819 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
820 block.
821 (reorder_basic_blocks): Added calls to build_scope_scope_forest
822 and remove_scope_notes before reordering is done. Added calls to
823 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
824 after reordering is done.
825
4c188026
BK		 8262000-40-30 Bruce Korb <bkorb@gnu.org>
827
82c3a53e
BK		 828 * fixinc/inclhack.def: Added definitions needed by OSR5,
829 removed two stale entries (defined away with OLD_CPP).
4c188026
BK		 830 * fixinc/inclhack.sh: regen
831 * fixinc/fixincl.x: regen
832
0ca4f243
RH		 8332000-04-30 Richard Henderson <rth@cygnus.com>
834
835 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
836 from the last insn in the sequence.
837
638d694d
ZW		 8382000-04-30 Zack Weinberg <zack@wolery.cumb.org>
839
6d2c2047
ZW		 840 * cpplex.c (cpp_idcmp): New function.
841 * cpplib.h: Prototype it.
842 * scan_decls.c (scan_decls): Use it to inspect token names.
843 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
844 the file being run through the preprocessor.
845 (check_macro_names): Provide length of token to cpp_defined.
846
847 * Makefile.in: Remove stale warning message.
848
638d694d
ZW		 849 * cppfiles.c (redundant_include_p): Provide length of token to
850 cpp_defined.
851 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
852 values are unsigned int.
853 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
854 (_cpp_lookup_slot): Do not calculate the hash, either.
855 * cpphash.h: Update prototypes.
856 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
857 Hashes are unsigned int. Calculate hash here, pass by value
858 to _cpp_lookup_slot.
859
4d0482f6
BS		 8602000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
861
862 * simplify-rtx.c (check_value_useless): Delete function.
863 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
864 by hand.
865 (cselib_invalidate_regno): Likewise.
866 (cselib_invalidate_mem_1): Likewise.
867 (references_value_p): Recognize useless values by the fact that they
868 have no locations.
869 (discard_useless_values): Likewise.
870 (cselib_record_set): This may turn a useless value
871 into a useful one.
6d2c2047 872
a5c874cb
RH		 8732000-04-30 Richard Henderson <rth@cygnus.com>
874
875 * config/d30v: New port.
876
877 * configure.in (d30v-*): Set fp format.
878 * configure: Rebuild.
879
9ec6d7ab
RH		 8802000-04-30 Richard Henderson <rth@cygnus.com>
881
882 * ifcvt.c: New file.
883 * Makefile.in (OBJS): Add it.
884 (ifcvt.o): New target.
6d2c2047 885 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
9ec6d7ab
RH		 886 and conditional arithmetic.
887 (find_insert_position): Remove.
888 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
889 * toplev.c (DFI_ce, DFI_ce2): New.
890 (dump_file): Add ce and ce2 dumps.
891 (rest_of_compilation): Run if_convert a couple o times. Set
892 cse_not_expected after cse2. Don't set no_new_pseudos until
893 after sched1 or recompute_reg_usage.
894
927b868f
RH		 8952000-04-30 Richard Henderson <rth@cygnus.com>
896
897 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
898 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
899
11ae508b
RH		 9002000-04-30 Richard Henderson <rth@cygnus.com>
901
902 * flow.c (struct reg_cond_life_info): New.
903 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
904 (init_propagate_block_info): Initialize them.
905 (free_propagate_block_info): Destruct them.
906 (mark_set_1): Consider conditional life before killing a register.
907 (mark_regno_cond_dead): New.
908 (free_reg_cond_life_info): New.
909 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
910 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
911 (mark_used_reg): Record conditional life.
912
913 * haifa-sched.c (schedule_insns): Disable death counting
914 sanity check for HAVE_conditional_execution.
915
614f6bc1
RH		 9162000-04-30 Richard Henderson <rth@cygnus.com>
917
918 * Makefile.in (TIMEVAR_H): New.
919 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
920 (timevar.h): Remove rule.
921
99eb5b26
RH		 9222000-04-29 Richard Henderson <rth@cygnus.com>
923
924 * config/alpha/crtend.asm: Use C comments instead of #.
925 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
926
927 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
928
5cebbd8d
ZW		 9292000-04-29 Zack Weinberg <zack@wolery.cumb.org>
930
d2158690
ZW		 931 * cpphash.h (enum node_type: Take out T_MCONST.
932 (union hashval): Move into struct hashnode.
933 (struct hashnode): Pack tighter. Remove file, line, col
934 members.
935 * cpphash.c: Constify most of the macro-definition structures.
936 (struct definition): Replace by struct object_defn
937 and struct funct_defn. Put file, line, column information
938 here. All users updated to match.
939 (_cpp_create_definition, _cpp_macroexpand): Remove special
940 case for #define WORD OTHERWORD.
941 * cpplib.c (do_undef): Remove T_MCONST case.
942
5cebbd8d
ZW		 943 * cpphash.h: Move struct reflist, struct definition, and the
944 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
945 union hashval. _cpp_free_definition takes a HASHNODE pointer.
946 * cpphash.c (_cpp_free_definition): Free data pointed to by
947 MCONST, XCONST, MACRO, and FMACRO nodes properly.
948 (_cpp_create_definition, del_HASHNODE): Just call
949 _cpp_free_definition to clear out a hashnode.
950 * cpplib.c (do_pragma_poison): Likewise.
951
a47944e2
AO		 952Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
953
954 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
955 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
956 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
957 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
958 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
959 REGNO_AM33_P): Redefine in terms of the new macros.
960 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
961 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
962 STRUCT_VALUE): Likewise.
963 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
964 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
965
a2ee8430
JH		 966Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
967
968 * regmove.c (struct record_stack_memrefs_data): New.
969 (record_stack_memrefs): New function.
970 (combine_stack_adjustments_for_block): Use it.
971
0c4c16df
JH		 972Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
973
974 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
975 use special_function_p to detect alloca.
976
e6746605
ME		 977Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
978
979 * gcc.texi: Fixes for makeinfo 4.0 --html.
980
2f7205ff
ZW		 9812000-04-28 Zack Weinberg <zack@wolery.cumb.org>
982
983 * pcp.h: Delete file.
984
f40a8c03
KH		 9852000-04-28 Kazu Hirata <kazu@hxi.com>
986
987 * h8300.c (function_epilogue): Clean up flags when the last insn
988 in a function is a barrier.
989
e7651ec5
CD		 9902000-04-28 Chris Demetriou <cgd@sibyte.com>
991
992 * configure.in (sparc-hal-solaris2*): protect [] glob from
993 my expansion.
994 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
995 rather than hard-coded constants in target_cpu_default2.
996 * configure: Regenerate.
997
c083cf9a
JM		 9982000-04-28 Jason Merrill <jason@casey.cygnus.com>
999
1000 * tree.c (get_callee_fndecl): Extract the initial value from
1001 a readonly decl.
1002
e67cd9f8
RH		 10032000-04-28 Richard Henderson <rth@cygnus.com>
1004
1005 * varasm.c (record_constant_1): Record the CODE_LABEL when
1006 taking the address of a LABEL_REF.
1007
ce48579b
RH		 10082000-04-28 Richard Henderson <rth@cygnus.com>
1009 Jan Hubicka <jh@suse.cz>
1010
1011 * calls.c (combine_pending_stack_adjustment_and_call): Return the
1012 adjustment; don't do the stack adjust.
1013 (expand_call): Call compute_argument_block_size right before
1014 allocating the block; update comment; don't do alignment sanity
1015 checking for sibling call; use args_size instead of
1016 unadjusted_args_size before args_size is adjusted. Use
1017 combine_pending_stack_adjustment_and_call to compute stack adjust
1018 for must_preallocate case.
1019
1020 * expr.c (push_block): Remove shadow `temp' in inner scope.
1021
f1f39752
JM		 10222000-04-28 Jason Merrill <jason@casey.cygnus.com>
1023
6d2c2047 1024 * toplev.c (rest_of_compilation): Call
f1f39752
JM		 1025 note_deferral_of_defined_inline_function even if the function
1026 can't be inlined.
1027
bb1ec1d7
SB		 10282000-04-28 Scott Bambrough <scottb@netwinder.org>
1029
1030 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
1031
d8d1d62b
RH		 10322000-04-28 Richard Henderson <rth@cygnus.com>
1033
1034 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
1035
4fbe8d07
KG		 10362000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1037
1038 * timevar.c (init_timevar): DeANSIfy function definition.
1039
26026d38
AS		 10402000-04-27 Alex Samuel <samuel@codesourcery.com>
1041
1042 * Makefile.in (timevar.o): Depend on flags.h.
1043 * timevar.c (unused_stack_instances): New variable.
1044 (timevar_push): Take a timevar_stack_def from
1045 unused_stack_instances if available.
1046 (timevar_pop): Push the popped timevar_stack_def onto
1047 unused_stack_instances.
1048 (TIMEVAR_ENABLE): New macro.
1049 (timevar_def): Make standalone a 1-bit field. Add field used.
1050 (get_time): Rename parameter to now. Return after clearing it if
1051 not TIMEVAR_ENABLE.
1052 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
1053 (timevar_pop): Likewise.
1054 (timevar_stop): Likewise.
1055 (timevar_push): Likewise. Mark the timing variable as used.
1056 (timevar_start): Likewise.
1057 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
1058 timevars that were never used.
1059
a6496605
MM		 10602000-04-27 Mark Mitchell <mark@codesourcery.com>
1061
6428983a 1062 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
a6496605
MM		 1063 always TREE_READONLY.
1064
d8b2fb52
UD		 10652000-04-27 Ulrich Drepper <drepper@cygnus.com>
1066
1067 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
1068 for call instruction with mode QImode.
1069
2a9a326b
AS		 10702000-04-27 Alex Samuel <samuel@codesourcery.com>
1071
1072 * Makefile.in (OBJS): Add timevar.o.
1073 (toplev.o): Depend on timevar.h.
1074 (ggc-simple.o): Likewise.
1075 (ggc-page.o): Likewise.
1076 (timevar.o): New rule.
1077 (timevar.h): New rule.
1078
1079 * timevar.h: New file.
1080 * timevar.c: Likewise.
1081 * timevar.def: Likewise.
1082
1083 * toplev.h (gc_time, parse_time, varconst_time): Remove.
1084 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
1085 throughout.
1086 (TIMEVAR): Remove macro.
1087 (gc_time, parse_time, varconst_time, integration_time, jump_time,
1088 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
1089 flow_time, combine_time, regmove_time, sched_time,
1090 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
1091 sched2_time, dbr_sched_time, reorder_blocks_time,
1092 rename_registers_time, shorten_branch_time, stack_reg_time,
1093 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
1094 all_time): Remove.
1095 (compile_file): Don't initialize time variables. Call
1096 init_timevar and start TV_TOTAL timer. Call timevar_print instead
1097 of many calls to print_time.
1098 (rest_of_compilation): Add timing for reload_cse_regs.
1099 (get_run_time): Removed to timevar.c.
1100 (print_time): Likewise.
1101 (get_run_time): Implement using TV_TOTAL time variable.
6d2c2047 1102 (print_time): Get total run time from get_run_time.
2a9a326b
AS		 1103 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
1104 computing elapsed time explicitly.
1105 * ggc-simple.c (ggc_collect): Likewise.
1106 (gc_time): Remove declaration.
6d2c2047 1107
739fb049
MM		 11082000-04-27 Mark Mitchell <mark@codesourcery.com>
1109
1110 * calls.c (combine_pending_stack_adjustment_and_call): New function.
1111 (expand_call): Use it.
6d2c2047 1112
d5827326
JH		 11132000-04-27 Jan Hubicka <jh@suse.cz>
1114
1115 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
1116 fields.
1117
b340d2b8
AO		 1118Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1119
1120 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
1121 registers.
1122
1b513b77
JH		 1123Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
1124
1125 * function.c (epilogue_done): Pass whole insn to record_insns.
1126
01329426
JH		 1127Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
1128
1129 * cse.c (CSE_ADDRESS_COST): Remove.
1130 (find_best_addr): Add new parameter "MODE", use address_cost instead
1131 of CSE_ADDRESS_COST
1132 (address_cost): New.
1133 (fold_rtx): Update call of find_best_addr.
1134 * rtl.h (address_cost): Declare.
1135 * loop.c (general_induction_var): Add new parameter "MODE", use
1136 address_cost instead of ADDRESS_COST
1137 (init_loop): Use address_cost instead of ADDRESS_COST.
1138 (check_insn_for_givs): Update call of general_induction_var.
1139 (find_mem_givs): Likewise.
1140 (consec_sets_giv): Likewise.
1141 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
1142 * i386.c (ix86_address_cost): New.
1143 * i386-protos.h (ix86_address_cost): Declare.
1144
5e849f6e
AO		 1145Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
1146
1147 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
1148 registers.
1149
2a5b96fd
JH		 1150Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
1151
1152 * expr.c (store_expr): Use clear_storage instead of direct memset
1153 libcall.
1154
d82704fb
AO		 1155Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
1156
1157 * config/mn10300/mn10300.c (mn10300_address_cost): Test
1158 ASHIFT, AND and LABEL_REF.
1159
1aaef9c1
JH		 1160Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
1161
1162 * invoke.texi (-foptimize-sibling-calls): Fix.
1163
28b6b9b2
JH		 1164Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
1165
1166 * loop.c (load_mems) Don't use hard registers for the hoisting.
1167
1168 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
1169 calculation; rename const_equiv array in the preconditioning code
1170 from loop_unroll to loop_unroll_precondition
1171
9785c68d
RH		 11722000-04-27 Richard Henderson <rth@cygnus.com>
1173
1174 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
1175 add new_set.
1176 (propagate_one_insn): Clear it. Don't update reg_live here.
1177 (init_propagate_block_info): Update for pbi member changes.
1178 (free_propagate_block_info): Likewise.
6d2c2047 1179 (mark_set_1): Know that zero_extract, sign_extract, and
9785c68d
RH		 1180 strict_low_part don't kill their argument. Alter hard subregs.
1181 Update new_set for non-CLOBBER sets. Update reg_live.
1182 (find_auto_inc): Update reg_live, not new_dead.
1183 (mark_used_reg): Update reg_live, not new_live. Examine new_set
1184 to determine if the reg in question was set this insn. Only update
1185 reg info with PROP_REG_INFO.
1186
a9f531a6
RH		 11872000-04-26 Richard Henderson <rth@cygnus.com>
1188
1189 * flow.c (allocate_reg_life_data): Set max_regno here ...
1190 (life_analysis): ... not here.
1191
83a67d12
RH		 1192 * flow.c (calculate_global_regs_live): Force stack pointer
1193 live at end.
1194
2ea64f10
RH		 11952000-04-26 Richard Henderson <rth@cygnus.com>
1196
1197 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
1198 commit change group changes.
1199 (invert_exp_1): Similarly.
1200 (redirect_exp, invert_exp): Use them.
1201 (redirect_jump_1): New.
1202 (invert_jump_1): New.
1203 (jump_optimize_1): Remove code subsumed by condexec.c.
1204 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
1205
0a2287bf
RH		 12062000-04-26 Richard Henderson <rth@cygnus.com>
1207
1208 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
1209
1210 * genconfig.c (main): Set all HAVE_foo to 1.
1211
1212 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
1213
4bae0b47
AS		 12142000-04-26 Alex Samuel <samuel@codesourcery.com>
1215
1216 * invoke.texi: Document -fssa flag.
1217
f134997f
RH		 12182000-04-26 Richard Henderson <rth@cygnus.com>
1219
1220 * flow.c (count_reg_sets_1): Remove.
1221 (count_reg_sets, count_reg_references): Remove.
1222 (recompute_reg_usage): Implement with update_life_info.
1223 Reallocate life data.
1224
693d9e2f
RH		 12252000-04-26 Richard Henderson <rth@cygnus.com>
1226
1227 * flow.c (update_life_info): Consider blocks null to mean the
1228 universal set.
1229 (calculate_global_regs_live): Likewise.
1230 (life_analysis): Do that instead of collecting all_blocks.
1231
56aba4a8
RH		 12322000-04-26 Richard Henderson <rth@cygnus.com>
1233
1234 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
1235 a still-valid conditional jump.
1236
604617ba
RH		 12372000-04-26 Richard Henderson <rth@cygnus.com>
1238
1239 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
1240
1241 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
1242 * flow.c (calculate_loop_depth): Remove.
1243 * output.h (calculate_loop_depth): Don't declare.
1244 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
1245 inline; run estimate_probability at the same time.
1246
6777db6d
NB		 12472000-04-26 Neil Booth <NeilB@earthling.net>
1248
1249 * cpplib.h: "~=" is not a single pp-token.
1250 * cpplex.c: Correct commentary.
1251
b4593d17
RH		 12522000-04-26 Richard Henderson <rth@cygnus.com>
1253
1254 * flow.c (mark_set_1): New arguments code and flags; update all
1255 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
1256 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
1257 loop_depth when optimizing for size. Do new_dead update after
1258 emitting REG_UNUSED notes. Merge mark_set_reg code.
1259 (mark_set_reg): Remove.
1260 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
1261 arrange to not emit REG_UNUSED notes.
1262
443b75c9
RH		 12632000-04-26 Richard Henderson <rth@cygnus.com>
1264
1265 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1266 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1267
292f3869
RH		 12682000-04-26 Richard Henderson <rth@cygnus.com>
1269
1270 * flow.c (propagate_one_insn): Break out from propagate_block.
1271 (init_propagate_block_info): Likewise.
1272 (free_propagate_block_info): Likewise.
1273 (propagate_block): Use them. Export.
1274 * basic-block.h: Declare them all.
1275
7f8a79ba
RH		 12762000-04-26 Richard Henderson <rth@cygnus.com>
1277
1278 * basic-block.h (life_analysis): Declare here ...
1279 * output.h: ... not here.
1280 * flow.c (life_analysis): Remove nregs parameter; replace
1281 remove_dead_code with flags. Remove ssa dead code check.
1282 Only init alias analysis if we'll use it.
1283 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1284 * ssa.c (convert_to_ssa): Likewise.
1285 (convert_from_ssa): Likewise.
1286 * toplev.c (rest_of_compilation): Likewise.
1287
52294521
RH		 12882000-04-26 Richard Henderson <rth@cygnus.com>
1289
1290 * flow.c (flow_delete_block): Rename from delete_block. Export.
1291 * basic-block.h (flow_delete_block): Declare.
1292
9485c46e
DM		 12932000-04-26 David S. Miller <davem@redhat.com>
1294
1295 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1296 taking a PATTERN of it.
1297
cfd5b8b8
NB		 12982000-04-26 <NeilB@earthling.net>
1299
1300 * cpplex.c (spell_other, spell_char): Remove.
1301 (SPELL_CHAR): New.
1302 (token_spelling, trigraph_map): Use unsigned chars.
1303 (_cpp_lex_line): Tidy up the switch statement.
1304 * cpplib.h: Implement spell_char with spell_string.
1305 (C): New.
1306
466d45de 13072000-04-26 <RodneyBrown@pmsc.com>
6d2c2047 1308
466d45de
RB		 1309 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1310 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1311
d3e3972c
KG		 13122000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1313
1314 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1315 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1316 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1317 dwarf2out_return_save, dwarf2out_return_reg,
1318 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1319 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1320 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1321
1322 * dwarf2out.h (dwarf2out_init): Likewise.
1323
1324 * dwarfout.c (filename_entry, primary_filename, last_filename,
1325 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1326
1327 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1328 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1329 dwarf2out_return_reg): Likewise.
1330
d4047e24
AJ		 13312000-04-26 Andreas Jaeger <aj@suse.de>
1332
2ea64f10
RH		 1333 * extend.texi (Function Attributes): Fix description of pure
1334 attribute.
d4047e24 1335
7d2e8eff
JM		 13362000-04-26 Jason Merrill <jason@casey.cygnus.com>
1337
1338 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1339 before calling rest_of_compilation.
1340
70576b75
AJ		 13412000-04-26 Andreas Jaeger <aj@suse.de>
1342
1343 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1344 last patch.
1345
e2ee9912
RH		 13462000-04-25 Richard Henderson <rth@cygnus.com>
1347
2ea64f10 1348 * cse.c (cse_insn): Emit barrier after unconditional jump.
369edff1 1349
e2ee9912
RH		 1350 * calls.c (expand_call): Disable tail call generation once
1351 rtx_equal_function_value_matters is false.
1352
1353 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1354 like EDGE_EH edges.
1355
13562000-04-25 Jason Merrill <jason@casey.cygnus.com>
1cfdcc15
JM		 1357
1358 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1359
1360 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1361
1362 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1363 is the primary DIE for a member function.
1364 (gen_decl_die): Call set_decl_origin_self here.
1365 * dwarfout.c (output_decl): And here.
1366 * integrate.c (output_inline_function): Not here.
1367 Don't clear DECL_INLINE until after calling rest_of_compilation.
1368 (set_decl_origin_self): No longer static.
1369 * tree.h: Add prototype.
1370 * toplev.c (note_deferral_of_defined_inline_function): Only write
1371 out abstract instance for actual inlines.
1372
d25ed420
AO		 13732000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1374
1375 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1376 EXTENDED_REGS only if TARGET_AM33.
1377 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1378 SP_REGS to register allocation and reloading unless absolutely
1379 necessary.
1380 (movsi3): Remove special-case of adding non-constants to SP.
1381
86cf1cbd
KG		 13822000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1383
1384 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1385 INCLUDES to search and does not provide any of its own. Also it
1386 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1387 parameters. Also it does not call AC_DEFINE.
1388 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1389 AC_DEFINE and provides for automatic entries for autoheader.
1390 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1391
1392 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1393 so we can pass -I flags and include gansidecl.h/system.h in this
1394 test.
1395
1396 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1397
62076024
KG		 13982000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1399
2ea64f10 1400 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
62076024
KG		 1401 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1402 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6d2c2047 1403
2ea64f10 1404 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
62076024
KG		 1405 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1406 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1407 for these macros. Clean up spacing and linewraps.
1408
39b0dce7
JM		 14092000-04-26 Jason Merrill <jason@casey.cygnus.com>
1410
1411 * calls.c (expand_call): Use get_callee_fndecl.
1412
1413 * print-tree.c (print_node): Print the chain of an _EXPR.
1414
0c96007e
AM		 1415Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1416 Jim Wilson <wilson@cygnus.com>
1417 Andrew Haley <aph@cygnus.com>
6d2c2047 1418
0c96007e
AM		 1419 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1420 and gp save/restore problems.
1421 * config/ia64/crtend.asm: Add IA-64 unwind support.
1422 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1423 in fr_pad_size calculation.
1424 (save_restore_insns): Move PR save area. Correct uses of
1425 RTX_FRAME_RELATED_P.
1426 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1427 (ia64_expand_epilogue): Add eh_epilogue support.
1428 (ia64_function_prologue): Emit .prologue directive.
1429 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1430 (ia64_override_options): Set init_machine_status and
1431 mark_machine_status.
1432 (rtx_needs_barrier): Handle bsp reads and writes.
1433 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1434 New static variables.
1435 (process_set, process_for_unwind_directive): New functions.
1436 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1437 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1438 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1439 macros.
1440 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1441 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1442 (struct machine_function): Define.
1443 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6d2c2047 1444
7d7f30cf
BK		 14452000-04-25 Bruce Korb <bkorb@gnu.org>
1446
1447 * fixinc/Makefile.in: make the removal of old programs more
1448 robust
1449 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1450 install-bin and install-sh
1451
b36f4ed3
NC		 14522000-04-25 Nick Clifton <nickc@cygnus.com>
1453
1454 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1455 defined, define to return zero.
1456 (function_cannot_inline_p): If a function has any target
1457 specific attributes, then use the macro
1458 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1459 whether it can be inlined. If it cannot, issue a suitable
1460 explanation.
1461
1462 * tm.texi: Add a new node 'Inlining' to document the new macro
6d2c2047 1463 FUNCTION_ATTRIBUTE_INLINABLE_P.
b36f4ed3 1464
c5a04734
ZW		 14652000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1466
1467 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6d2c2047 1468 commentary.
c5a04734
ZW		 1469
14702000-04-25 Neil Booth <NeilB@earthling.net>
1471
1472 Restore previous patch, plus the following fixes:
1473
1474 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1475 flags, not CPP_OPEN_PAREN.
1476 * cpplex.c (expand_token_space, init_token_list,
1477 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1478 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1479
5ed12799
AO		 1480Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1481
1482 * config/i386/freebsd.h (INT_ASM_OP): Define.
1483
424a02db
JH		 1484Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1485
1486 * loop.c (strength_reduce): Fix typo in the last checkin.
1487
65e14bf5
RK		 1488Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1489
1490 * stor-layout.c (finalize_record_size): Simplify to use existing
1491 functions.
1492 (compute_record_mode): No longer static.
1493 * tree.h (compute_record_mode): New declaration.
1494
05183359
NB		 14952000-04-25 Neil Booth <NeilB@earthling.net>
1496
1497 * Revert my patch below until cause of build failures
1498 determined.
1499
865f50c5
RH		 15002000-04-25 Richard Henderson <rth@cygnus.com>
1501
1502 * combine.c (combine_instructions): Add missing argument
1503 to try_combine.
1504
9d9e5c09
RH		 1505 * toplev.c (rest_of_compilation): Delay sibcall optimization
1506 until after emit_eh_context.
1507
aabb6c74
NC		 15082000-04-24 Nick Clifton <nickc@redhat.com>
1509
1510 * combine.c (combine_instructions): Do not try to combine a
1511 sequence of insns when the second insn has been replaced by a
1512 note.
1513
03bf1c28
MK		 1514Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1515
b633b6c0
MK		 1516 * gcc.c (load_specs): New static function.
1517 (read_specs): Use it.
1518
03bf1c28
MK		 1519 * gcc.c (lookup_compiler): Make multiple passes for case
1520 insensitive filesystems.
1521
9c603af2
NB		 15222000-04-24 Neil Booth <NeilB@earthling.net>
1523
1524 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1525 * cpphash.h (_cpp_check_directive): new.
1526 * cpplex.c (handle_newline, cpp_free_token_list,
1527 init_trigraph_map, trigraph_ok, trigraph_replace,
1528 backslash_start, skip_block_comment, skip_line_comment,
1529 skip_whitespace, parse_name, parse_number, parse_string,
1530 copy_comment, _cpp_lex_line, spell_char, spell_string,
1531 spell_comment, spell_name, spell_other, _cpp_lex_file,
1532 _cpp_output_list): new.
1533 (expand_name_space): take length argument.
1534 (init_token_list): add comment list initialisation.
1535 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1536 instead of HSPACE_BEFORE.
1537
1538 * cpplib.c (_cpp_check_directive): new
1539 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1540 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1541 (HSPACE_BEFORE): delete.
1542 (TTYPE_TABLE): rearrange.
6d2c2047 1543 (struct cpp_toklist): update.
9c603af2 1544
91029a29
KG		 15452000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1546
1547 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1548 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1549 argument form of AC_DEFINE.
1550
1551 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1552 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1553 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1554 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1555 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1556
1557 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1558
3c9a2b55
KG		 15592000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1560
1561 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1562 deduced.h): Use -isystem, not -I, for including system headers.
1563
aaceac0b
NC		 15642000-04-24 Nick Clifton <nickc@cygnus.com>
1565
1566 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1567 the source register is the frame pointer or arg pointer.
1568 (addsi3_small_int): Disallow if source register is the frame
1569 pointer or arg pointer.
1570
f6cbf672
KG		 15712000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572
1573 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1574 call to AC_MSG_RESULT.
1575
9762e8a4
ML		 1576