1 2001-08-18 Richard Henderson <rth@redhat.com>
3 * timevar.h (struct timevar_time_def): Change element type to float.
4 (ticks_to_msec, clocks_to_msec): Likewise.
5 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
7 (timevar_print): Adjust zero check and printing to match.
9 2001-08-18 Zack Weinberg <zackw@panix.com>
11 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
12 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
13 Eliminate overfull or underfull hboxes.
15 2001-08-18 Zack Weinberg <zackw@panix.com>
17 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
19 2001-08-18 Zack Weinberg <zackw@panix.com>
21 * haifa-sched.c: Convert to target hooks. Macros replaced
22 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
23 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
24 MD_SCHED_FINISH, and HAVE_cycle_display.
25 * target-def.h (TARGET_SCHED_ADJUST_COST,
26 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
27 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
28 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
29 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
30 New hook #defines to be overridden.
31 (TARGET_SCHED): Bring them all together.
32 (TARGET_INITIALIZER): Update.
33 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
34 instead of 'struct rtx_def *' throughout.
35 (struct sched): New set of hooks for the scheduler.
36 * Makefile.in (haifa-sched.o): Depend on target.h.
37 * doc/tm.texi: Document the new scheduler hooks, together in
38 their own section, instead of scattered around.
39 Fix a bunch of underfull/overfull hboxes.
41 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
42 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
43 sparc.h: Don't define any of the old scheduler macros.
45 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
46 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
47 sparc.c: Create hook functions from code extracted from
48 corresponding target header, or make existing hooks static, as
49 appropriate. Set the appropriate entries in targetm.
51 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
52 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
53 rs6000-protos.h, s390-protos.h, sparc-protos.h:
54 Remove prototypes for functions which are now static.
56 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
57 related gunk; the Haifa scheduler is now the only choice.
59 2001-08-18 Zack Weinberg <zackw@panix.com>
61 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
62 * genopinit.c: Put floating point divide insns in sdiv_optab.
63 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
64 * config/gofast.h, config/c4x/c4x.h,
65 config/ia64/hpux_longdouble.h, config/mips/mips.h,
66 config/pa/long_double.h, config/rs6000/sysv4.h,
67 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
68 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
69 (init_optabs): Use init_optabv for overflow-trapping optabs.
70 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
71 cmp_optab RTX codes so have_insn_for can find them.
73 * optabs.c (expand_simple_binop, expand_simple_unop,
74 have_insn_for, gen_sub3_insn): New interfaces.
75 * expr.h: Prototype new functions.
76 (enum optab_methods): Move here from optabs.h.
78 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
79 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
80 Use new functions instead of working directly with optabs.
81 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
82 unroll.c: Don't include optabs.h.
83 * caller-save.c, combine.c, function.c, stmt.c: Just include
84 insn-codes.h, not optabs.h.
85 * Makefile.in: Update dependencies.
87 * combine.c (make_compound_operation, simplify_comparison):
88 Fix typos testing for this or that instruction.
90 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
92 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
95 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
97 * except.c (TYPE_HASH): Delete.
99 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
102 * tree.c (TYPE_HASH): Delete.
104 * tree.h (TYPE_HASH): Define.
106 2001-08-18 Graham Stott <grahams@redhat.com>
108 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
110 (adddi3_internal_2+2): Likewise.
111 (eh_set_lr_di+1): Likewise.
113 2001-08-17 Richard Henderson <rth@redhat.com>
115 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
116 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
117 * dwarf2asm.c: ... here.
118 * dwarfout.c: Remove them.
120 * varasm.c (assemble_integer): Add align parameter.
121 (assemble_real, output_constant, output_constructor): Likewise.
122 * output.h: Update decls.
123 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
124 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
125 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
126 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
127 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
130 * final.c (end_final): Abort profile block generation if we
131 havn't layed it out properly.
132 * output.h (assemble_eh_integer): Remove stale decl.
133 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
135 (assemble_integer): Handle unaligned data.
136 (assemble_real): Abort on unaligned data.
137 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
139 (default_dtor_section_asm_out_destructor): Use assemble_align.
140 (default_named_section_asm_out_constructor): Likewise.
141 (default_ctor_section_asm_out_constructor): Likewise.
142 * config/darwin.c (machopic_asm_out_constructor): Likewise.
143 (machopic_asm_out_destructor): Likewise.
144 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
145 (nextstep_asm_out_destructor): Likewise.
146 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
147 (vms_asm_out_destructor): Likewise.
149 2001-08-17 Richard Henderson <rth@redhat.com>
151 * config/mips/iris6.h (TARGET_IRIX6): New.
152 (current_section_name, current_section_flags): New.
153 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
154 (MAX_OFILE_ALIGNMENT): New.
155 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
156 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
157 (copy_file_data): Split out from
158 (mips_asm_file_end): ... here.
159 (mips_asm_file_start): Remove extra .section directive. Use
160 tmpfile instead of mips_make_temp_file.
161 (mips_unique_section): Use const char * as needed for warnings.
162 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
163 re-add align parameter.
164 (iris6_asm_named_section): New.
165 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
166 (iris6_asm_output_align, iris6_section_align_1): New.
167 (iris6_asm_file_start, iris6_asm_file_end): New.
168 * config/mips/mips-protos.h: Update decls.
170 2001-08-17 Janis Johnson <janis187@us.ibm.com>
172 * doc/install.texi (Install GCC): Add links to build status pages.
174 (Final install): Ditto; request updates for specific info
176 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
178 * cpperror.c (print_location): Don't take a file name; use the
180 (_cpp_begin_message): Similarly.
181 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
182 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
183 (cpp_pedwarn_with_file_and_line): Remove.
184 * cppfiles.c (stack_include_file): Update; set filename to stdin
185 here when appropriate.
186 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
187 (_cpp_begin_message): Don't take a file name.
188 * cppinit.c: Add comment.
189 * cpplex.c: Fix end-of-directive indicator.
190 * cpplib.c: Don't include intl.h.
191 (run_directive, do_diagnostic): Update.
192 (do_line): Update to not use nominal_fname.
193 (cpp_push_buffer): Don't take a filename.
194 * cpplib.h (struct ht): Remove.
195 (cpp_push_buffer): Don't take a filename.
196 (cpp_pedwarn_with_file_and_line): Remove.
197 * cppmacro.c (struct cpp_macro): Remove file.
198 (builtin_macro): Update.
199 (_cpp_create_definition): Update.
200 * cppmain.c: Correct comment.
201 * fix-header.c (read_scan_file): Update.
203 2001-08-17 Kazu Hirata <kazu@hxi.com>
205 * sbitmap.c: Fix comment formatting.
206 * sched-deps.c: Likewise.
207 * sibcall.c: Likewise.
208 * simplify-rtx.c: Likewise.
210 * ssa-ccp.c: Likewise.
211 * stor-layout.c: Likewise.
212 * timevar.c: Likewise.
213 * toplev.c: Likewise.
214 * unwind-dw2.c: Likewise.
215 * unwind-dw2-fde.c: Likewise.
216 * varasm.c: Likewise.
218 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
220 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
221 or larger than an integer in memory.
223 2001-08-17 Zack Weinberg <zackw@panix.com>
225 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
226 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
227 * rtl.h: Don't forward-declare union tree_node here. Don't
228 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
229 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
230 and tree respectively.
231 * tree.h: Don't forward-declare struct rtx_def here. Don't
232 typedef tree here. Change all uses of struct rtx_def *,
233 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
234 and tree respectively.
236 2001-08-17 Richard Henderson <rth@redhat.com>
238 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
239 config/mips/openbsd.h: Fix typos last change.
241 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
243 * doc/invoke.texi (Optimize Options): The default for
244 -finline-limit is 600.
246 2001-08-17 Richard Henderson <rth@redhat.com>
248 * varasm.c (text_section): Allow TEXT_SECTION to override the
249 printing of TEXT_SECTION_ASM_OP.
250 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
251 (DATA_SECTION, BSS_SECTION): Remove.
252 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
253 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
254 Rename from s/_NAME//.
255 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
256 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
257 (TEXT_SECTION): ... here. New.
258 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
259 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
260 * config/mips/openbsd.h: Likewise.
261 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
262 (mips_asm_file_end): Likewise test.
263 (mips_output_function_epilogue): Likewise. Switch back to data
264 section after emitting the function.
266 * doc/tm.texi (Sections): Document TEXT_SECTION.
268 2001-08-17 Richard Henderson <rth@redhat.com>
270 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
271 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
273 2001-08-17 Richard Henderson <rth@redhat.com>
275 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
276 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
277 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
278 Add aligned attribute.
280 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
282 * config/sh/sh.md: Add modes to unspecs in first insn to match
285 * Makefile.in: Fix collect2 copy for Cygwin.
287 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
289 Install the proper patch.
290 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
291 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
292 (expand_function_start): Likewise.
293 * stmt.c (expand_decl): Likewise.
294 * varasm.c (make_decl_rtx): Likewise.
296 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
298 * final.c: Undo my previous accidental checkin.
299 * output.h: Likewise.
302 2001-08-16 Richard Henderson <rth@redhat.com>
304 * varasm.c (named_section_flags): Remove align parameter.
305 * varasm.c, dwarf2out.c: Update all callers.
306 * output.h: Update prototypes.
308 * target.h (target.asm_out.named_section): Remove align parameter.
309 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
310 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
311 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
312 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
313 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
315 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
316 (get_named_section_flags, set_named_section_flags): New.
317 (named_section_flags): Use them.
318 (named_section): Do decl vs section flags check here...
319 (default_section_type_flags): ... not here.
320 (init_varasm_once): Create in_named_htab.
321 (resolve_unique_section): Mark reloc unused.
323 2001-08-16 Richard Henderson <rth@redhat.com>
325 * varasm.c (force_const_mem): Keep pool alignment in bits.
326 (output_constant_pool): Use assemble_align.
328 2001-08-16 Zack Weinberg <zackw@panix.com>
330 * doc/tm.texi: Remove extra @table command.
332 2001-08-16 Zack Weinberg <zackw@panix.com>
334 * final.c (shorten_branches): Clear the end of the label_align
335 array only if we made it larger. Break up messy expressions
338 * diagnostic.c (internal_error): Check for error recursion
339 before doing ICE suppression.
341 * timevar.c: Timing variables now count in milliseconds.
342 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
343 (get_time): Not here.
344 (timevar_print): Don't print any timer whose user, cpu, and
345 wall times are all zero as displayed.
346 * timevar.h: Update comment aboout units. Make timevar
349 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
351 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
352 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
353 (expand_function_start): Likewise.
354 * stmt.c (expand_decl): Likewise.
355 * varasm.c (make_decl_rtx): Likewise.
357 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
359 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
360 (finalize_record_size): Don't set TYPE_USER_ALIGN.
362 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
364 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
367 2001-08-16 Andreas Jaeger <aj@suse.de>
369 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
372 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
374 * rtl.h (only_sets_cc0_p): New prototype.
375 * jump.c (sets_cc0_p): Handle INSN.
376 (only_sets_cc0_p): New function.
377 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
378 (tidy_fallthru_edge): Likewise.
379 * integrate.c (copy_insn_list): Likewise.
380 * unroll.c (unroll_loop): Likewise.
381 (copy_loop_body): Likewise.
383 2001-08-15 Jason Eckhardt <jle@redhat.com>
385 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
387 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
389 * predict.c (struct block_info_def): Remove nvisited.
390 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
391 (estimate_bb_frequencies): Call mark_dfs_back_edges.
393 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
394 (ix86_adjust_cost): Teach scheduler that latency to load operand can
397 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
399 * predict.def: Update hitrates.
401 2001-08-15 Richard Henderson <rth@redhat.com>
403 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
405 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
407 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
408 note from its associated jump.
410 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
412 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
413 also on 64-bit s390x targets.
415 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
417 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
419 (arm_expand_prologue): Handled nested functions which take a
420 variable argument list.
421 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
422 macro with an invocation of
423 arm_compute_initial_elimination_offset.
424 * config/arm/arm-protos.h: Prototype
425 arm_compute_initial_elimination_offset.
427 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
429 * doc/install.texi (Specific, avr): Fix markup.
430 (Specific, c4x): Ditto.
432 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
434 * predict.c (dump_prediction): Change `bool' parameter to `int'.
436 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
438 * Makefile.in (OBJS): Add rtl-error.o
439 (rtl-error.o): New rule.
440 (diagnostic.o): Adjust dependency.
441 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
442 error_for_asm, _fatal_insn, _fatal_insn_not_found,
443 warning_for_asm): Move to...
444 rtl-error.c: ...here. New file.
446 2001-08-14 Richard Henderson <rth@redhat.com>
448 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
449 if USING_SJLJ_EXCEPTIONS.
451 2001-08-14 Steve Ellcey <sje@cup.hp.com>
453 * tlink.c (scan_linker_output): Check string for unsatisfied in
454 addition to undefined and unresolved.
456 2001-08-14 Graham Stott <grahams@redhat.com>
458 * libgcc2.c (*): Replace EH_FRAME_SECTION with
459 EH_FRAME_SECTION_NAME.
461 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
463 * genattrtab.c (simplify_test_exp_in_temp): New function.
464 (simplify_test_exp): Avoid explicit use of temporary obstack.
465 (simplify_cond, insert_right_side, evaluate_eq_attr,
466 simplify_and_tree, simplify_or_tree, eliminate_known_true):
467 Use simplify_test_exp_in_temp.
468 (optimize_attrs): Iterate until expression stabilizes.
470 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
472 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
473 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
475 2001-08-13 Richard Henderson <rth@redhat.com>
477 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
478 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
479 * config/arm/conix-elf.h: Likewise.
481 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
483 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
485 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
487 * gcse.c (hash_scan_set): Expressions that are set as part of
488 jump instructions are not available.
490 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
492 * config/s390/s390.c (print_operand, s390_function_prologue,
493 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
495 2001-08-13 Richard Henderson <rth@redhat.com>
497 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
498 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
499 * doc/tm.texi (Exception Region Output): Document it.
501 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
503 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
504 DWARF2 instead of stabs by default.
506 2001-08-13 David Edelsohn <edelsohn@gnu.org>
508 * config/rs6000/rs6000.c: Include optabs.h.
510 2001-08-13 David Edelsohn <edelsohn@gnu.org>
512 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
513 save/restore routines.
514 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
516 2001-08-13 Andreas Jaeger <aj@suse.de>
518 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
519 the english is correct.
521 2001-08-13 Zack Weinberg <zackw@panix.com>
523 * expr.h: Split out optab- and libfunc-related code to...
524 * optabs.h, libfuncs.h: ... these new headers.
526 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
528 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
530 * mkconfig.sh: Don't include insn-codes.h from config.h.
532 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
533 enum insn_code is available. Move reload_in_optab and
534 reload_out_optab array declarations to optabs.h.
535 * regmove.c (gen_add3_insn): Move to optabs.c, export from
536 there, prototype in expr.h.
537 * gencodes.c: Cleanup: zap global variables, don't use
538 printf where puts will do, don't bother defining MAX_INSN_CODE
539 which nothing uses, let CODE_FOR_nothing get its value implicitly.
541 * genemit.c, genopinit.c: Include optabs.h in generated file.
542 * genoutput.c: Include insn-codes.h in generated file.
543 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
544 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
545 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
546 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
547 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
548 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
550 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
551 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
552 config/m88k/m88k.c, config/sparc/sparc.c:
554 * reload.c: Include expr.h and optabs.h before reload.h.
555 * config/alpha/alpha.c: Include tree.h before reload.h.
556 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
557 and reload.h in that order.
558 * config/sparc/sparc.c: Include debug.h.
559 * recog.c: Include insn-codes.h.
561 2001-08-13 Andreas Jaeger <aj@suse.de>
563 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
566 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
568 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
569 * gcc.c (init_spec): Fix typo in comment.
570 * varasm.c (data_section): Fix typo in comment.
572 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
574 * predict.c (dump_prediction): New argument "USED".
575 (combine_predictions_for_insn): Determine the used heuristics,
576 output the case no heuristic applied.
577 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
579 2001-08-13 Andreas Jaeger <aj@suse.de>
581 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
584 2001-08-13 Kazu Hirata <kazu@hxi.com>
586 * jump.c: Fix formatting.
588 2001-08-13 Kazu Hirata <kazu@hxi.com>
590 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
593 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
595 * loop.c (check_dbra_loop): Use condjump_label to compute
598 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
599 to better document the files they're in.
601 2001-08-12 Zack Weinberg <zackw@panix.com>
603 * recog.h (struct insn_operand_data): Shrink 'mode' field
606 2001-08-12 Kazu Hirata <kazu@hxi.com>
608 * gcc.c: Fix comment formatting.
609 * gccspec.c: Likewise.
612 * genemit.c: Likewise.
613 * gengenrtl.c: Likewise.
614 * genrecog.c: Likewise.
615 * gensupport.c: Likewise.
616 * ggc-page.c: Likewise.
617 * global.c: Likewise.
620 * integrate.c: Likewise.
622 * libgcc2.c: Likewise.
624 * mbchar.c: Likewise.
625 * optabs.c: Likewise.
626 * predict.c: Likewise.
627 * prefix.c: Likewise.
628 * profile.c: Likewise.
629 * protoize.c: Likewise.
632 * regclass.c: Likewise.
633 * regmove.c: Likewise.
634 * reg-stack.c: Likewise.
635 * reload1.c: Likewise.
636 * resource.c: Likewise.
637 * rtlanal.c: Likewise.
640 2001-08-12 Kazu Hirata <kazu@hxi.com>
642 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
643 a tree representing a constant is passed to the macro.
645 2001-08-12 Richard Henderson <rth@redhat.com>
647 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
648 (rs6000_elf_asm_out_destructor): New.
649 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
650 (DTORS_SECTION_ASM_OP): Remove.
651 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
652 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
654 2001-08-12 David Edelsohn <edelsohn@gnu.org>
657 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
658 * gcc.c (set_collect_gcc_options): New function, split out from
660 Ignore elided switches.
661 (do_spec_1): Invoke before executing command.
664 * gcc.h (set_input): ... here.
665 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
668 2001-08-12 Richard Henderson <rth@redhat.com>
670 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
671 thinko wrt TARGET_RELOCATABLE.
673 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
675 * fix-header.c (cb_file_change): Update prototype.
677 2001-08-11 Zack Weinberg <zackw@panix.com>
679 * toplev.c (set_float_handler): Make static.
680 * toplev.h: Don't prototype set_float_handler.
682 * simplify-rtx.c: Don't include setjmp.h.
683 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
685 (simplify_unary_operation, simplify_binary_operation): Use them,
686 via do_float_handler.
688 * fold-const.c: Don't include setjmp.h.
689 (exact_real_inverse_1): New function.
690 (exact_real_inverse): Use it, via do_float_handler.
692 * varasm.c: Don't include setjmp.h.
693 (assemble_real_1): New function.
694 (assemble_real): Use it, via do_float_handler.
695 Call internal_error if we get a trap here.
697 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
698 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
700 2001-08-11 Zack Weinberg <zackw@panix.com>
702 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
703 STACK_BOUNDARY if not already defined.
705 * calls.c, function.c, reload1.c, explow.c: Don't default
706 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
707 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
709 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
712 * doc/tm.texi: Document that STACK_BOUNDARY is required;
713 clarify difference between it and PREFERRED_STACK_BOUNDARY.
715 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
717 * cppmacro.c (enter_macro_context): Push macro expansions even
720 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
722 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
723 (rs6000_elf_section_type_flags): Actually return a value.
725 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
727 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
728 Clean up code: add missing comments and prototypes, fix warnings,
729 remove obsolete code, fix spacing to conform to coding style.
731 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
733 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
734 and TARGET_ASM_CLOSE_PAREN.
735 (regclass_map): CC register belongs to class NO_REGS.
736 (legitimize_pic_address): Don't generate unnecessary moves
737 (to avoid confusing loop optimization).
738 (check_and_change_labels): Replace jump_long by indirect_jump.
739 (s390_final_chunkify): Don't start a new literal pool on section
740 switch in 64-bit code.
741 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
743 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
744 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
745 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
747 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
748 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
749 (CONST_COSTS): Fixed incorrect costs.
751 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
752 Use emit_jump instead of emit_jump_insn (gen_jump).
753 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
754 (to avoid confusing flow analysis).
755 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
756 (casesi, casesi_jump): New.
757 (jump_long): Removed. Functionality merged into indirect_jump.
758 (indirect_jump): Accept address_operand, not just register_operand.
759 (cjump_long, icjump_long): Use same logic as indirect_jump.
760 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
761 Fixed broken setjmp/longjmp handling.
762 (do_builtin_setjmp_setup): Removed.
764 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
765 broken GNU as versions that don't accept .quad with large
766 negative values. Use hexadecimal output instead.
767 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
768 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
769 FUNCTION_EPILOGUE): Removed. Now in targetm.
771 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
773 * config/s390/fixdfdi.h: Add missing copyright statement.
774 Fix type conflicts on 64-bit. Add missing SFmode routines.
776 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
779 2001-08-11 Richard Henderson <rth@redhat.com>
781 * rtl.h (REG_EH_RETHROW): Remove.
782 * rtl.c (reg_note_name): Update.
783 * combine.c (distribute_notes): Don't check for it.
785 2001-08-11 Richard Henderson <rth@redhat.com>
787 * combine.c (distribute_notes): Place REG_SETJMP.
789 2001-08-11 Richard Henderson <rth@redhat.com>
791 * doc/extend.texi (Arrays and pointers implementation): Discourage
792 relying on sign-extension of pointers.
794 2001-08-11 H.J. Lu <hjl@gnu.org>
796 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
798 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
799 RDATA_SECTION_ASM_OP.
801 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
803 * doc/install.texi (Specific, c4x): Fix cross-reference to the
804 main manual to work both for info and HTML versions.
806 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
807 Matt Kraai <kraai@alumni.carnegiemellon.edu>
809 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
810 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
811 (struct cpp_pool): New member first.
812 * cppinit.c (append_include_chain): Plug memory leaks.
813 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
814 Allocate pragma structures from the (aligned) macro pool to
815 avoid leaking memory.
816 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
817 so we don't leak memory.
818 * hashtable.c (ht_destroy): New.
819 * hashtable.h (ht_destroy): New.
821 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
822 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
824 * c-lex.c (map): Make const.
825 (cb_file_change): Update for callback passing a line map.
826 Don't assume we have a previous map. Remove sanity check
827 about popping too many files.
828 * cpperror.c (print_location): Make map const.
829 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
830 (cpp_make_system_header): Similarly.
831 (search_from): Similarly.
832 (_cpp_execute_include): Don't remember where we came from.
833 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
834 (struct cpp_reader): Make map const.
835 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
836 * cpplib.c (do_line): Update; line maps now hold sysp.
837 (cpp_push_buffer): Similarly.
838 (_cpp_do_file_change): Similarly; callback with map instead.
839 (cpp_get_line_maps): Constify return value.
840 (_cpp_pop_buffer): Update.
841 * cpplib.h (struct cpp_file_change): Remove.
842 (struct cpp_callbacks): Update.
843 (cpp_get_line_maps): Constify return value.
844 * cppmacro.c (_cpp_create_definition): Update.
845 * cppmain.c (struct printer): Constify map.
846 (maybe_print_line): Similarly.
847 (print_line): Similarly. Deduce flags 1 and 2 here.
848 (cb_file_change): Update.
849 * line-map.c (free_line_maps): Warn regardless.
850 (add_line_map): Return pointer to const. When passed NULL to_file
851 with LC_LEAVE, use the obvious values for the return point so the
852 caller doesn't have to figure them out.
853 (lookup_line): Return pointer to const.
854 (print_containing_files): Take pointer to const.
855 * line-map.h (struct line_map): New members reason, sysp.
856 (add_line_map): Return pointer to const.
857 (lookup_line): Similarly.
858 (print_containing_files): Take pointer to const.
860 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
861 Richard Henderson <rth@redhat.com>
863 * regmove.c (regmove_optimize): Avoid setting a register twice in
866 2001-08-10 Richard Henderson <rth@redhat.com>
868 * doc/extend.texi (Arrays and pointers implementation): Document
869 behavior of pointer/integer conversion.
871 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
873 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
875 2001-08-10 Richard Henderson <rth@redhat.com>
877 * doc/extend.texi (C Implementation): New chapter.
878 * doc/gcc.texi (Top): Link it in.
880 2001-08-10 Andrew Cagney <ac131313@redhat.com>
882 * doc/install.texi (Specific): Fix CVS merge botch.
884 2001-08-10 Richard Henderson <rth@redhat.com>
886 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
887 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
889 2001-08-10 Zack Weinberg <zackw@stanford.edu>
891 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
892 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
893 this macro is now required.
895 * cselib.c (cselib_process_insn), flow.c (propagate_block),
896 loop.c (find_and_verify_loops), reload.c (reload): Check
897 for rtx code of CALL_INSN, not CALL, when deciding if we
898 need to check for REG_SETJMP note.
900 * gcse.c (compute_hash_table, compute_store_table): Update
901 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
904 * config/avr/avr.c: Fix typo.
905 * config/convex/convex.c (expand_movstr): Use adjust_address.
906 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
908 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
909 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
911 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
912 Do define STACK_BOUNDARY.
913 * config/i370/i370.c: Include expr.h.
914 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
915 config/pa/som.h, config/v850/v850.h: Take in_ctors and
916 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
917 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
918 * config/m88k/m88k.c: Include c-tree.h after expr.h.
919 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
920 * config/romp/romp.c: Include expr.h after tree.h.
922 (output_fpop): Use xmalloc, not oballoc.
923 * config/we32k/we32k.c: Include expr.h.
925 2001-08-10 Kazu Hirata <kazu@hxi.com>
927 * config/h8300/h8300.h: Fix formatting.
929 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
931 * c-common.h (RETURN_NULLIFIED_P): Lose.
932 * c-semantics.c (genrtl_return_stmt): Don't check it.
934 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
936 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
937 (mips_annotate_frame_insn): New function.
938 (mips_emit_frame_related_store): New function.
939 (save_restore_insns): Don't mark instructions that set up the base
940 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
941 the store instructions instead.
942 (mips_expand_prologue): If the stack size is moved into a temporary
943 register, do not mark that move as frame-related. Add a
944 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
946 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
948 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
949 stack slot as unchanging if current_function_calls_eh_return.
951 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
953 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
954 access the second half of the TFmode scratch operand.
956 2001-08-10 Anthony Green <green@redhat.com>
958 * java/class.c (emit_register_classes): Conditionalize code on
961 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
963 * doc/install.texi (Specific, avr): Fix cross-reference to the
964 main manual to work both for info and HTML versions.
966 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
968 * stmt.c (expand_null_return_1): Remove code to generate simple returns
969 and "use_goto" argument.
970 (expand_null_return, expand_value_return): Update all callers.
971 * function.c (expand_function_end): Remove code to generate simple
973 * config/vax/vax.md (epilogue): New expander for function return.
974 * doc/md.texi (epilogue): Remove "if defined".
976 2001-08-09 Zack Weinberg <zackw@stanford.edu>
978 * Makefile.in: Partially revert my previous change:
979 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
980 of the hashtab.o and safe-ctype.o rules.
982 2001-08-09 Richard Henderson <rth@redhat.com>
984 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
985 (USE_COLLECT2): Remove duplicate definition.
986 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
987 (use_collect2): Remove dead code.
988 * configure.in (use_collect2): Remove will_use_collect2 and
989 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
990 * configure: Rebuild.
992 * target.h (targetm.asm_out.constructor): New.
993 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
994 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
995 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
996 * varasm.c (in_ctors, in_dtors): New.
997 (assemble_constructor, assemble_destructor): Remove.
998 (default_stabs_asm_out_destructor): New.
999 (default_named_section_asm_out_destructor): New.
1000 (dtors_section, default_dtor_section_asm_out_destructor): New.
1001 (default_stabs_asm_out_constructor): New.
1002 (default_named_section_asm_out_constructor): New.
1003 (ctors_section, default_ctor_section_asm_out_constructor): New.
1004 * output.h: Update declarations.
1005 * c-decl.c (c_expand_body): Use target hooks instead of
1006 assemble_constructor and assemble_destructor.
1007 * profile.c (output_func_start_profiler): Likewise.
1008 * objc/objc-act.c (finish_objc): Likewise.
1009 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
1010 for the constructor.
1011 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
1013 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
1014 (DTORS_SECTION_ASM_OP): Likewise.
1015 (__CTOR_LIST__): Use attribute section when possible.
1016 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
1018 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
1019 ASM_OUTPUT_CONSTRUCTOR.
1021 * config/darwin.c (machopic_asm_out_constructor): New.
1022 (machopic_asm_out_destructor): New.
1023 * config/darwin-protos.h: Update declarations.
1024 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1025 (ASM_OUTPUT_DESTRUCTOR): Remove.
1026 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1027 * config/nextstep.c (nextstep_asm_out_constructor): New.
1028 (nextstep_asm_out_destructor): New.
1029 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1030 (ASM_OUTPUT_DESTRUCTOR): Remove.
1031 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1032 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
1033 ASM_OUTPUT_*STRUCTOR.
1034 * config/i386/aix386ng.h: Likewise.
1036 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
1037 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
1038 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1039 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1040 * config/lynx.h: Likewise.
1041 * config/netware.h: Likewise.
1042 * config/psos.h: Likewise.
1043 * config/alpha/alpha-interix.h: Likewise.
1044 * config/alpha/elf.h: Likewise.
1045 * config/arc/arc.h: Likewise.
1046 * config/arm/aof.h: Likewise.
1047 * config/arm/coff.h: Likewise.
1048 * config/arm/elf.h: Likewise.
1049 * config/c4x/c4x.h: Likewise.
1050 * config/h8300/h8300.h: Likewise.
1051 * config/i386/cygwin.h: Likewise.
1052 * config/i386/djgpp.h: Likewise.
1053 * config/i386/i386-coff.h: Likewise.
1054 * config/i386/i386-interix.h: Likewise.
1055 * config/i386/sco5.h: Likewise.
1056 * config/i386/vsta.h: Likewise.
1057 * config/i386/win32.h: Likewise.
1058 * config/i960/i960-coff.h: Likewise.
1059 * config/ia64/sysv4.h: Likewise.
1060 * config/m68hc11/m68hc11.h: Likewise.
1061 * config/m68k/coff.h: Likewise.
1062 * config/m68k/mot3300.h: Likewise.
1063 * config/m88k/m88k.h: Likewise.
1064 * config/mcore/mcore-pe.h: Likewise.
1065 * config/mcore/mcore.h: Likewise.
1066 * config/mips/elf.h: Likewise.
1067 * config/mips/elf64.h: Likewise.
1068 * config/mips/iris6.h: Likewise.
1069 * config/pa/pa64-hpux.h: Likewise.
1070 * config/rs6000/sysv4.h: Likewise.
1071 * config/sh/sh.h: Likewise.
1072 * config/sparc/litecoff.h: Likewise.
1074 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
1075 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
1076 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1077 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1078 (ASM_OUTPUT_DESTRUCTOR): Remove.
1079 * config/a29k/a29k.c: Move include of tree.h.
1080 * config/a29k/udi.h: Delete file.
1081 * config/alpha/alpha.c (vms_asm_out_constructor): New.
1082 (vms_asm_out_destructor): New.
1083 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
1084 (EXTRA_SECTION_FUNCTIONS): Likewise.
1085 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1086 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1087 * config/c4x/c4x.c: Move include of tree.h.
1088 * config/clipper/clipper.c (clix_asm_out_constructor): New.
1089 (clix_asm_out_destructor): New.
1090 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1091 (ASM_OUTPUT_DESTRUCTOR): Remove.
1092 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1093 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1094 (TARGET_ASM_CONSTRUCTOR): New.
1095 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
1096 (sco_asm_out_constructor): New.
1097 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
1098 * config/i386/svr3gas.h: Remove stack grows up code.
1099 Remove code duplicated from i386/sysv3.h.
1100 (TARGET_ASM_CONSTRUCTOR): New.
1101 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
1102 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
1103 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1104 (TARGET_ASM_CONSTRUCTOR): New.
1105 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
1106 (m68hc11_asm_out_destructor): New.
1107 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
1108 (TARGET_ASM_DESTRUCTOR): New.
1109 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
1110 * config/m68k/dpx2.h: Properly undef all the bits inherited from
1111 config/svr3.h pertaining to section manipulation.
1112 * config/m68k/dpx2g.h: Remove #if 0 code.
1113 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
1114 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
1115 (ASM_OUTPUT_CONSTRUCTOR): Remove.
1116 (TARGET_ASM_CONSTRUCTOR): New.
1117 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
1118 (m88k_svr3_asm_out_constructor): New.
1119 (m88k_svr3_asm_out_destructor): New.
1120 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1121 (ASM_OUTPUT_DESTRUCTOR): Remove.
1122 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1123 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
1124 * config/rs6000/aix.h: Likewise.
1125 * config/mips/rtems64.h: Don't undef removed constructor related bits.
1126 * config/mips/vxworks.h: Likewise.
1127 * config/rs6000/lynx.h: Likewise.
1128 * config/sh/elf.h: Likewise.
1129 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
1130 (DTORS_SECTION_ASM_OP): New.
1131 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1132 (ASM_OUTPUT_DESTRUCTOR): Remove.
1133 * config/sparc/sol2-sld-64.h: Likewise.
1134 * config/vax/vax.c (vms_asm_out_constructor): New.
1135 (vms_asm_out_destructor): New.
1136 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
1137 (ASM_OUTPUT_DESTRUCTOR): Remove.
1138 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1140 * doc/tm.texi (@node Initialization): Update.
1142 2001-08-09 Richard Henderson <rth@redhat.com>
1144 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
1145 (__do_global_dtors_aux): Use gp-relative static data to avoid
1146 one dynamic relocation.
1147 (__do_frame_setup): Register Java classes.
1148 * config/alpha/crtend.asm (__JCR_END__): New.
1150 2001-08-09 Zack Weinberg <zackw@stanford.edu>
1152 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
1153 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
1154 (GEN, STAGESTUFF): Add new files.
1155 (insn-constants.h, s-constants, tm-preds.h, s-preds,
1156 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
1157 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
1158 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
1159 as well as insn-codes.h and insn-flags.h in config.h; and no
1160 extra headers in tconfig.h and hconfig.h.
1162 * gencodes.c: Eliminate code to generate predicate declarations
1163 or #defines for md-file constants.
1164 * genconstants.c, genpreds.c: New files.
1166 * i386.md: Re-order guard expressions such that TARGET_64BIT
1167 comes first, when this permits better optimization. Add
1168 TARGET_64BIT to more x86-64 patterns. Add comment explaining
1169 why this is desirable.
1171 2001-08-09 Jakub Jelinek <jakub@redhat.com>
1173 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
1174 (find_fde_for_dso): Remove.
1175 (_Unwind_IteratePhdrCallback): New.
1176 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
1177 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
1179 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1181 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
1182 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
1184 2001-08-09 Graham Stott <grahams@redhat.com>
1186 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
1187 (vis_no_unit): Use it.
1188 (visualize_no_unit): Add the insn only if room exists.
1190 2001-08-09 Graham Stott <grahams@redhat.com>
1192 * predict.c (estimate_probability): Replace magic numbers with
1193 appropriate enumeration.
1195 2001-08-09 Graham Stott <grahams@redhat.com>
1197 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
1199 (EXTRACT_FLAGS): Likewise.
1201 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
1203 * config/mips/mips.c (mips_legitimate_address_p): Check for
1204 CONST_INT in last patch.
1206 2001-08-08 Anthony Green <green@redhat.com>
1208 * java/class.c (emit_register_classes): Use assemble_jcr if
1209 possible. Keep the original mechanism as a fallback.
1210 * defaults.h (JCR_SECTION_NAME): Define if we have named section
1211 and weak symbol support.
1212 * crtstuff.c (__JCR_LIST__): Define.
1213 (__JCR_END__): Define.
1214 (_Jv_RegiserClasses): Define weak symbol if possible.
1215 (__do_global_ctors_aux): Register classes for ELF targets with
1216 weak symbol support.
1218 2001-08-08 Kazu Hirata <kazu@hxi.com>
1220 * dbxout.c: Fix comment formatting.
1221 * dependence.c: Likewise.
1223 * diagnostic.c: Likewise.
1224 * dominance.c: Likewise.
1225 * doprint.c: Likewise.
1226 * dwarf2out.c: Likewise.
1227 * dwarfout.c: Likewise.
1228 * emit-rtl.c: Likewise.
1229 * except.c: Likewise.
1230 * explow.c: Likewise.
1231 * expmed.c: Likewise.
1234 * fold-const.c: Likewise.
1235 * function.c: Likewise.
1237 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1239 * global.c (retry_global_alloc): Avoid shadowing allocno.
1241 2001-08-08 Mark Mitchell <mark@codesourcery.com>
1243 * except.c (remove_fixup_regions): Fix typo.
1245 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
1247 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
1248 unsigned HOST_WIDE_INT to avoid warning.
1249 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
1250 * flow.c (set_block_for_new_insns): Likewise.
1252 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1254 * sibcall.c (return_value_pseudo): New static variable.
1255 (skip_copy_to_return_value): Handle return_value_pseudo.
1256 (call_ends_block_p): Ensure that return_value_pseudo is set.
1257 (optimize_sibling_and_tail_recursive_call): Discover the
1258 load of pseudo return value in alternate exit block.
1260 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1262 * calls.c (ECF_ALWAYS_RETURN): New constant.
1263 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
1264 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
1265 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
1266 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
1267 * rtl.c (reg_note_name): New name.
1268 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
1270 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
1272 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
1274 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
1276 * alias.c (get_alias_set): Return a previously calculated
1277 alias set for a VAR_DECL.
1278 * function.c (gen_mem_addressof): Calculate the alias set before
1281 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
1283 * predict.def: Set hitrates according our experimental run.
1285 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1287 * i386.h (HARD_REGNO_RENAME_OK): New macro.
1289 2001-08-08 H.J. Lu <hjl@gnu.org>
1291 * config/mips/mips.c (mips_unique_section): New. Copied from
1294 * config/mips/mips-protos.h (mips_unique_section): New
1297 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
1299 * config/mips/little.h: New. Generic little endian mips
1300 targets. Only mips*-*-linux* is converted to use it so far.
1302 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
1303 (WCHAR_TYPE): Defined
1304 (WCHAR_TYPE_SIZE): Likewise.
1305 (INIT_SUBTARGET_OPTABS): Likewise.
1306 (BSS_SECTION_ASM_OP): Likewise.
1307 (SBSS_SECTION_ASM_OP): Likewise.
1308 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
1309 (ASM_DECLARE_OBJECT_NAME): Likewise.
1310 (UNIQUE_SECTION): Likewise.
1311 (EXTRA_SECTIONS): Likewise.
1312 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1313 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1314 (ASM_OUTPUT_DEF): Likewise.
1315 (HANDLE_SYSV_PRAGMA): Removed.
1316 (NO_IMPLICIT_EXTERN_C): Likewise.
1317 (TARGET_MEM_FUNCTIONS): Likewise.
1318 (STARTFILE_SPEC): Likewise.
1319 (ENDFILE_SPEC): Likewise.
1320 (LIB_SPEC): Likewise.
1321 (INVOKE__main): Likewise.
1322 (CTOR_LIST_BEGIN): Likewise.
1323 (CTOR_LIST_END): Likewise.
1324 (DTOR_LIST_BEGIN): Likewise.
1325 (DTOR_LIST_END): Likewise.
1326 (SET_ASM_OP): Likewise.
1327 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1328 (ASM_OUTPUT_DEF): Likewise.
1329 (ASM_OUTPUT_IDENT): Likewise.
1331 * config/mips/mips.h (ASM_SPEC): Undefine before define.
1332 (CPLUSPLUS_CPP_SPEC): Likewise.
1333 (ASM_APP_ON) Redefine only if not defined.
1334 (ASM_APP_OFF): Likewise.
1335 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1336 (ASM_OUTPUT_IDENT): Likewise.
1338 * config.gcc: Update tm_file for Linux/mips.
1340 2001-08-08 Bernd Schmidt <bernds@redhat.com>
1342 * cselib.c (cselib_record_sets): If insn is predicated, turn
1343 sources into IF_THEN_ELSEs.
1345 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
1346 Turn into define_insn_and_split.
1348 * sched-deps.c: Include "cselib.h".
1349 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
1350 Use cselib to turn memory addresses into VALUEs.
1351 (sched_analyze): Call cselib_init/cselib_finish if necessary.
1352 * sched-int.h (struct sched_info): New member USE_CSELIB.
1353 * sched-ebb.c (ebb_sched_info): Initialize it.
1354 * sched-rgn.c (rgn_sched_info): Likewise.
1355 * Makefile.in (sched-deps.o): Update dependencies.
1357 * cselib.h (cselib_subst_to_values): Declare.
1358 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
1359 that have no value and autoincs to be handled by generating a new
1362 2001-08-08 Graham Stott <grahams@redhat.com>
1364 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
1365 within fixed length SEQUENCE.
1367 2001-08-08 Graham Stott <grahams@redhat.com>
1369 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
1370 (diagnostic_prefixing_rule): Likewise.
1371 (diagnostic_line_cutoff): Likewise.
1372 (diagnostic_kind_count): Likewise.
1374 2001-08-08 Graham Stott <grahams@redhat.com>
1376 * alias.c (find_base_decl): Delete redundent assignment.
1378 2001-08-08 Graham Stott <grahams@redhat.com>
1380 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
1381 (abs): Uppercase and paranthesize macro parameter.
1382 (MEM_DEPENDENCY): Add whitespace.
1384 2001-08-08 Graham Stott <grahams@redhat.com>
1386 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
1387 failure check for CONST_INT
1389 2001-08-08 Graham Stott <grahams@redhat.com>
1391 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
1392 (libcall_dead_p): Likewise.
1394 (mark_used_regs): Constify fmt.
1395 (find_use_as_address): Likewise.
1397 2001-08-08 Graham Stott <grahams@redhat.com>
1399 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
1402 2001-08-08 Graham Stott <grahams@redhat.com>
1404 * combine.c (combine_simplify_rtx): Update comment and
1405 remove erroneous test.
1407 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1409 * cppinit.c (cpp_finish): Pop the final buffer without comment.
1410 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
1411 take care to avoid multiple no-newline at EOF warnings in that
1414 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
1416 * calls.c (expand_call): Do not emit INSN_SETJMP note.
1417 (emit_library_call_value_1): Likewise.
1418 (emit_call_1): Emit REG_SETJMP note.
1419 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
1421 * cselib.c (cselib_process_insn): Likewise.
1422 * flow.c (propagate_block): Likewise.
1423 * loop.c (find_and_verify_loops): Likewise.
1424 * reload.c (find_equiv_regs): Likewise.
1425 * reload1.c (reload): Likewise.
1426 * resource.c (mark_referenced_resources,
1427 mark_set_resources): Likewise.
1428 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
1429 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
1430 * haifa-sched.c (unlink_other_notes): Likewise.
1431 (reemit_notes): Likewise.
1432 * sched-ebb.c (sched_ebb): Likewise.
1433 * sched-rgc.c (sched_region): Likewise.
1434 * rtl.c (note_insn_name): Likewise.
1435 (reg_note_name): Add REG_SETJMP
1436 * rtl.h (reg_note): Add REG_SETJMP.
1437 (insn_note): Remove NOTE_INSN_SETJMP.
1439 * profile.c (branch_prob): Add fake edges for setjmp.
1441 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
1443 * config.gcc: Quote target_cpu_default2 correctly for
1444 powerpc*-*-* targets.
1446 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
1448 * cpplib.h, line-map.h: Update comments.
1449 * cppmain.c (printer_init): Move inline.
1450 (maybe_print_line, print_line): Take a map pointer.
1451 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
1452 (cb_file_change): Don't use prior value of print.map.
1454 2001-08-07 David Edelsohn <edelsohn@gnu.org>
1456 * doc/install.texi: Document fine-grained multilib configuration.
1458 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1460 * rtlanal.c (find_first_parameter_load): Call note_stores
1461 only on the instructions.
1463 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
1465 * alias.c (nonlocal_mentioned_p):
1466 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
1467 * calls.c (emit_call_1): Likewise.
1468 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
1469 * cselib.c (cselib_process_insn): Likewise.
1470 * df.c (df_insns_modify): Likewise.
1471 * flow.c (need_fake_edge_p): Likewise.
1472 (propagate_one_insn): Likewise.
1473 * haifa-sched.c (reemit_notes): Likewise.
1474 * integrate.c (copy_insn_list): Likewise.
1475 * jump.c (delete_prior_computation): Likewise.
1476 * local-alloc.c (validate_equiv_mem): Likewise.
1477 * loop.c (scan_loop): Likewise.
1478 * predict.c (estimate_probability): Likewise.
1479 * reload.c (reload): Likewise.
1480 * sched-deps (sched_analyze): Likewise.
1481 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
1482 * gcse.c (compute_hash_table): Likewise.
1483 (mark_call): Likewise.
1484 (store_killed_in_insn): Likewise.
1486 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
1488 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
1490 2001-08-06 Richard Henderson <rth@redhat.com>
1492 * varasm.c (assemble_gc_entry): Remove.
1493 * output.h: Likewise.
1495 2001-08-06 Richard Henderson <rth@redhat.com>
1497 * varasm.c (assemble_constructor): Take a symbol_ref and a
1498 priority instead of a bare string. Move priority handling
1499 here from cp/decl2.c.
1500 * output.h: Update decls.
1502 * c-decl.c (c_expand_body): Update calls to assemble_constructor
1503 and assemble_destructor.
1504 * profile.c (output_func_start_profiler): Likewise.
1505 * objc/objc-act.c (finish_objc): Likewise.
1506 (build_module_descriptor): Return the symbol not the symbol name.
1508 2001-08-06 David Edelsohn <edelsohn@gnu.org>
1510 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
1511 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
1512 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
1513 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
1514 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
1515 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
1517 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1519 * cpperror.c (print_containing_files): Moved to line-map.c.
1520 (print_location): line-map.c handles re-listing or otherwise.
1521 * cpphash.h (struct lexer_state): Remove next_bol.
1522 (struct cpp_buffer): Remove include_stack_listed.
1523 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
1524 Remove faked buffer handling.
1525 (_cpp_do_file_change): Tweak.
1526 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
1527 * cppmain.c (struct printer): Remove filename.
1528 (print_line, cb_file_change): Update accordingly.
1529 * line-map.c: Include intl.h.
1530 (init_line_maps): Initialize last_listed.
1531 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
1532 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
1533 (print_containing_files): New.
1534 * line-map.h (struct line_maps): New member last_listed.
1535 (print_containing_files, INCLUDED_FROM): New.
1536 * Makefile.in: Update.
1537 * po/POTFILES.in: Add line-map.c.
1539 2001-08-06 Richard Henderson <rth@redhat.com>
1541 * except.c (convert_from_eh_region_ranges_1): Never mark
1542 USE or CLOBBER insns as throwing.
1544 * expr.c (store_constructor): Don't clobber memory targets.
1546 2001-08-06 Andreas Jaeger <aj@suse.de>
1548 * profile.c (branch_prob): Remove unused variable insn.
1550 * Makefile.in (local-alloc.o): Add dependency on except.h.
1552 * local-alloc.c: Include except.h for can_throw_internal prototype.
1554 2001-08-06 Richard Henderson <rth@redhat.com>
1556 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1557 * function.c (expand_main_function): Implement it.
1558 * doc/tm.texi: Document it.
1560 2001-08-06 Stan Shebs <shebs@apple.com>
1562 * doc/install.texi: Document powerpc-*-darwin* details.
1564 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
1566 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
1567 (ASM_CPU_SPEC): Move back to rs6000.h
1568 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
1570 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
1572 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
1575 * config/rs6000/linux64.h: Ditto.
1577 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1578 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
1581 Remove accidently readded definitions of FUNCTION_PROLOGUE,
1582 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
1584 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
1587 2001-08-05 Richard Henderson <rth@redhat.com>
1589 * local-alloc.c (update_equiv_regs): Do not move insns that
1592 2001-08-05 Jan Hubicka <jh@suse.cz>
1594 * Makefile.in (reload1.o): Add dedendancy on except.h
1595 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
1597 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
1598 indicating wehther edges has been cleaned up.
1599 * reload1.c: Inlucde except.h
1600 (fixup_abnormal_edges): Accept deleted insns.
1601 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
1604 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
1606 * cpplib.c (do_line): Correct line number after pop_buffer.
1608 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1610 PR preprocessor/3824
1611 * line-map.c: Update comments.
1612 * line-map.h: Update comments.
1613 * tradcif.y: Don't consider large numbers unsigned.
1615 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
1617 PR preprocessor/3081
1618 * c-lex.c (map): New.
1619 (cb_file_change): Update map and use it.
1620 (cb_def_pragma, cb_define, cb_undef): Use map and line.
1621 (c_lex): Update to use map.
1622 * cpperror.c (print_location): Move to using logical line numbers.
1623 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
1624 (cpp_make_system_header): Similarly.
1625 (_cpp_execute_include): Stop line numbering hacks. Store the
1626 line we will return to.
1627 * cpphash.h (CPP_BUF_LINE): Remove.
1628 (struct cpp_buffer): Remove lineno and pseudo_newlines.
1629 Add map and return_to_line.
1630 (_cpp_do_file_change): Update.
1631 * cppinit.c (cpp_start_read): Update line kludge.
1632 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
1633 (trigraph_ok): Use logical line numbers for diagnostics.
1634 (skip_block_comment): Likewise.
1635 (skip_whitespace): Likewise.
1636 (skip_line_comment): Use pfile->line instead.
1637 (_cpp_lex_token): Update to use logical line numbering exclusively.
1638 Handle BOL locally. Accept new lines in directives, but keep
1639 pfile->line decremented. Diagnostics use logical lines. Update
1641 * cpplib.c (SEEN_EOL): New.
1642 (skip_rest_of_line, check_eol): Use it.
1643 (end_directive): Increase line number when accepting the newline
1644 at the end of a directive.
1645 (run_directive): Simplify.
1646 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
1647 (_cpp_do_file_change): Update to take buffer line number as an
1648 argument, and store the current map in the cpp_reader. Remove
1649 line number kludges.
1650 (_cpp_do__Pragma): Restore output position after a _Pragma.
1651 (cpp_push_buffer): Don't set output line or lineno.
1652 (_cpp_pop_buffer): Transfer more info from a faked buffer.
1653 Remove line kludge. Set output_line.
1654 * cppmacro.c (builtin_macro): Update handling of __LINE__.
1655 (parse_arg): Use logical lines.
1656 (save_lookahead_token): Save EOFs too now.
1657 * cppmain.c (struct printer): Fix comments.
1658 (printer_init): Simplify, let caller do errors.
1659 (scan_translation_unit, check_multiline_token, dump_macro): Update.
1660 (maybe_print_line): Simplify.
1661 (print_line): Don't print a linemarker if -P.
1662 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
1663 (cb_file_change): Simplify.
1664 * line-map.h (LAST_SOURCE_LINE): Fix.
1665 (CURRENT_LINE_MAP): New.
1667 2001-08-05 Bernd Schmidt <bernds@redhat.com>
1669 * doloop.c (doloop_modify_runtime): Properly compute number of
1670 iterations if loop was unrolled.
1672 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
1673 if their CSELIB_VAL_PTRs are.
1675 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1676 (setup_spill_pointers): Initialize it.
1677 (spill_restore_mem): Set it.
1678 (do_spill, do_restore): Use it to add REG_INC note.
1679 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1681 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1682 asms if other insns are available.
1684 * config/ia64/ia64.c (condop_operator): New predicate.
1685 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1686 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1689 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1690 temporary register than directly using a MEM.
1692 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1694 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1695 parameter in last change.
1697 2001-08-04 Zack Weinberg <zackw@panix.com>
1699 * sparc.md: Don't use #if inside C test expression.
1701 2001-08-04 Richard Henderson <rth@redhat.com>
1703 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1705 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1707 * cpphash.h (struct cpp_reader): New member directive_line.
1708 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1709 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1710 do_pragma): Pass line to callbacks.
1711 (start_directive): Record line of directive.
1712 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1713 cb_include): Similarly.
1714 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1717 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1719 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1722 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1724 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1726 * reload1.c (fixup_abnormal_edges): New static function.
1729 * flow.c (need_fake_edge_p): New function.
1730 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1731 avoid call insn to be very last insn in the insn stream.
1733 * profile.c (branch_prob): Call flow_call_edges_add instead of
1734 doing that by hand; cleanup cfg to re-merge basic blocks once
1737 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1739 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1740 are also on line-map.h.
1741 * cppfiles.c (stack_include_file): Update.
1742 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1743 (_cpp_pop_buffer): New.
1744 * cppinit.c (cpp_destroy, cpp_finish): Update.
1745 (do_includes): Mark each buffer to return at EOF.
1746 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1747 return as requested.
1748 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1749 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1750 * cpplib.h (cpp_pop_buffer): Remove.
1751 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1752 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1754 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1756 (do_preprocessing): Update.
1757 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1758 * c-parse.in (_yylex): Similarly.
1759 * scan-decls.c (scan_decls): Similarly.
1760 * line-map.h: Update comments.
1762 * objc/Make-lang.in (objc-act.o): Update dependencies.
1764 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1766 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1767 and soft register for operand 0.
1768 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1770 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1772 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1773 register for operand 0.
1774 ("bitcmpqi_z_used"): Allow memory for operand 0.
1775 (split "bitcmpqi"): New split to handle address reg as operand 1.
1777 2001-08-04 Andreas Jaeger <aj@suse.de>
1779 * gcse.c: Revert Daniel's last patch.
1781 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1783 * sparc-protos.h: Add prototypes for fp_zero_operand and
1785 * sh-protos.h: Add prototype for fpul_operand.
1787 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1789 * doc/extend.texi (Other Builtins): Fix typo in last change.
1791 2001-08-03 Richard Henderson <rth@redhat.com>
1793 * target.h (gcc_target): Add asm_out.named_section,
1794 section_type_flags, have_named_sections.
1795 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1796 (TARGET_HAVE_NAMED_SECTIONS): New.
1797 (TARGET_SECTION_TYPE_FLAGS): New.
1799 * Makefile.in (toplev.o): Depend on TARGET_H.
1800 (varasm.o, dbxout.o): Likewise.
1801 * c-common.c (decl_attributes): Check targetm.have_named_sections
1802 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1803 * dbxout.c (dbxout_function_decl): Likewise.
1804 (dbxout_function_end): Likewise.
1805 * toplev.c (compile_file): Likewise.
1806 * varasm.c (exception_section): Likewise.
1807 * cp/decl2.c (finish_objects): Likewise.
1809 * defaults.h (EH_FRAME_SECTION): Remove.
1810 (EH_FRAME_SECTION_ASM_OP): Remove.
1811 (EH_FRAME_SECTION_NAME): New.
1812 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1813 (UNIQUE_SECTION_P): Remove.
1814 * dwarf2out.c (SECTION_FORMAT): Remove.
1815 (ASM_OUTPUT_SECTION): Remove.
1816 (output_call_frame_info): Use named_section_flags.
1817 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1818 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1819 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1820 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1821 (named_section_flags): New.
1822 (named_section): Use it and targetm.section_type_flags.
1823 (resolve_unique_section): New.
1824 (assemble_start_function): Use it.
1825 (asm_emit_uninitialised, assemble_variable): Likewise.
1826 (default_section_type_flags): New.
1827 (default_no_named_section, default_elf_asm_named_section): New.
1828 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1829 * output.h: Update varasm.c decls.
1830 (SECTION_*): New flags.
1832 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1833 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1835 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1836 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1837 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1838 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1839 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1840 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1841 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1842 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1843 * config/pa/pa64-hpux.h,
1845 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1846 (TARGET_ASM_NAMED_SECTION): New.
1847 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1848 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1849 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1850 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1851 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1852 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1853 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1854 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1855 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1856 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1857 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1858 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1859 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1860 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1861 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1862 * config/sparc/sysv4.h: Likewise.
1864 * config/nextstep.h: Error until named sections implemented.
1866 * config/a29k/a29k.c (a29k_asm_named_section): New.
1867 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1868 (vms_section_type_flags, vms_asm_named_section): New.
1869 * config/arm/arm.c (arm_elf_asm_named_section): New.
1870 * config/avr/avr.c (asm_output_section_name): Remove.
1871 * config/avr/avr-protos.h: Update.
1872 * config/c4x/c4x.c (c4x_asm_named_section): New.
1873 * config/h8300/h8300.c (h8300_asm_named_section): New.
1874 * config/i386/i386.c (sco_asm_named_section): New.
1875 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1876 (i386_pe_section_type_flags): New.
1877 (i386_pe_asm_named_section): New.
1878 * config/i386/i386-protos.h: Update.
1879 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1880 * config/mcore/mcore.c (mcore_asm_named_section): New.
1881 * config/mips/mips.c (iris6_asm_named_section): New.
1882 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1883 instead of UNIQUE_SECTION_P.
1884 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1885 (xcoff_asm_named_section): New.
1886 * config/sh/sh.c (sh_asm_named_section): New.
1887 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1889 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1890 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1891 (EH_FRAME_SECTION_NAME): New.
1892 (EXCEPTION_SECTION): New.
1893 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1894 (DEBUG_*_SECTION): Remove.
1895 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1896 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1897 (EH_FRAME_SECTION_ASM_OP): Remove.
1899 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1900 (ASM_OUTPUT_SECTION_NAME): Remove.
1901 (TARGET_ASM_NAMED_SECTION): New.
1902 (TARGET_HAVE_NAMED_SECTIONS): New.
1903 (TARGET_SECTION_TYPE_FLAGS): New.
1904 (EH_FRAME_SECTION_ASM_OP): Remove.
1905 (EH_FRAME_SECTION_NAME): New.
1907 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1909 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1910 for complex expressions when cfun == 0.
1911 * doc/extend.texi: Document that __builtin_constant_p can be
1912 used in data initializers as well as functions.
1914 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1916 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1917 variable I locally, instead of expecting a declaration in the
1920 2001-08-03 Richard Henderson <rth@redhat.com>
1922 * except.c (collect_one_action_chain): Add an explicit cleanup
1923 action if regions surrounding a catch were encoded entirely
1924 within the call-site entry.
1926 2001-08-03 Richard Henderson <rth@redhat.com>
1928 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1929 don't take REGNO of a non-register.
1931 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1933 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1934 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1935 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1936 (__gthread_mutex_init_function): New function for mutex initialization.
1938 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1940 * Makefile.in: Revert screwed up commit.
1942 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1944 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1945 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1946 merged by linker script to get a final _exit().
1947 (__do_global_dtors): New for destructor handling in specific exit
1949 (__do_global_ctors): New for constructors in specific install section.
1950 (__map_data_section): Map data sections before running constructors.
1951 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1952 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1953 (DTORS_SECTION_ASM_OP): Likewise.
1954 (CTORS_SECTION_FUNCTION): Define to force a reference to
1956 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1958 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1960 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1962 * Makefile.in: Add df.h to gcse.c dependencies.
1964 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1966 * varasm.c (output_constant_def_contents): Use for the length of a
1967 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1968 depending on which is larger.
1970 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1972 * gcse.c: Include df.h for use as a dataflow analyzer.
1974 Declaration of reg_set_info: gone.
1975 New df_analyzer variable used by store motion.
1976 (reg_set_info): Deleted.
1977 (mark_mem_regs): New function, analyze regs used by a mem.
1978 (store_ops_ok): Use dataflow analyzer results to determine if
1979 necessary regs are changed in the block.
1980 (find_moveable_store): Remove check for symbol ref, we can handle
1981 much more complex expressions now.
1982 (compute_store_table): Remove most of the code, it's unnecessary
1983 now that the dataflow analyzer records the info for us.
1984 (store_killed_after): Add parameter to say whether to do the
1985 store_ops_okay test, used to speed up testing when we already know
1986 the answer, and just want to know if the store itself was killed.
1987 (build_store_vector): Largely rewritten to calculate the various
1988 vectors properly, and somewhat optimized.
1989 (store_motion): Init the df_analyzer, get REG_DEF chains.
1990 Also handle trapping expressions (since mems almost always trap)
1991 (simple_mem): Redefine what a simple mem is.
1993 2001-08-03 DJ Delorie <dj@redhat.com>
1995 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1996 set from a constant part of the condition.
1998 2001-08-01 Andrew Cagney <ac131313@redhat.com>
2000 * mkdeps.c (deps_add_default_target): Make local variable
2001 ``start'' a const char pointer.
2002 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
2004 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2006 * doc/install.texi (Configuration): Fix markup.
2007 (Specific, i?86-*-udk): Likewise.
2008 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
2010 Document --enable-threads and --enable-libgcj status.
2011 (Specific, mips-sgi-irix*): Canonicalize triples.
2012 (Specific, mips-sgi-irix5): Warn about problems with this config.
2013 Mention required GNU as patch.
2014 Native assembler problems are fixed.
2015 (Specific, mips-sgi-irix6): Update O32 ABI support status.
2016 Document --enable-threads and --enable-libgcj status.
2018 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2020 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
2023 2001-08-03 Richard Henderson <rth@redhat.com>
2025 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
2028 2001-08-03 Richard Henderson <rth@redhat.com>
2030 * rtlanal.c (find_first_parameter_load): Stop if we
2031 reach a CODE_LABEL at BOUNDARY.
2033 2001-08-03 Richard Henderson <rth@redhat.com>
2035 * config/alpha/alpha.md (force_movdi): New insn.
2036 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
2037 Tweek FRP marking of VMS prologue insns.
2038 * config/alpha/vms.h (EPILOGUE_USES): New.
2040 2001-08-02 Richard Henderson <rth@redhat.com>
2042 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
2044 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
2046 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
2047 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
2048 config/convex/convex.h, config/d30v/d30v.c,
2049 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
2050 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
2051 config/mips/mips.h, config/mn10200/mn10200.h,
2052 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
2053 config/v850/v850.h, config/vax/openbsd.h,
2054 config/vax/openbsd1.h, config/vax/ultrix.h,
2055 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
2056 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
2057 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
2058 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
2059 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
2060 in comments and documentation.
2062 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2066 * Makefile.in (line-map.o): New.
2067 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
2068 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
2069 * cpperror.c (print_containing_files): Similarly.
2070 (print_location): Update. Don't output a space before _Pragma.
2071 * cppfiles.c (stack_include_file): Set to line 1 immediately.
2072 (stack_include_filee, cpp_make_system_header): Update.
2073 (_cpp_execute_include): Get logical line number right for calling
2074 as-yet-unterminated #include.
2075 * cpphash.h (struct cpp_reader): Add line_maps.
2076 (_cpp_do_file_change): Update.
2077 * cppinit.c (cpp_create_reader): Initialize line maps.
2078 (cpp_destroy): Destroy line maps.
2079 (cpp_start_read): Get logical line number right.
2080 * cpplex.c (parse_string): Only warn once for multi-line strings.
2081 Use boolean variable for null warning.
2082 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
2084 (do_include_common): End the directive early.
2085 (do_line): Don't warn about out-of-range lines in preprocessed
2086 source. Update. Remove unused variables.
2087 (_cpp_do_file_change): Update for new line mapping.
2088 (pragma_cb): New typedef.
2089 (cpp_register_pragma): Stop looking ahead before calling the
2091 (do_pragma_system_header): End directive early.
2092 (cpp_get_line_maps): New.
2093 (cpp_pop_buffer): Fudge logical line. Update.
2094 * cpplib.h: Include line-map.h
2095 (enum cpp_fc_reason): Remove.
2096 (struct cpp_file_change): Update.
2097 (cpp_get_line_maps): New.
2098 * cppmain.c (struct_printer): New member map.
2099 (cb_file_change): Update for new mappings.
2100 * fix-header.c (cb_file_change): Similarly.
2102 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2104 * Makefile.in (libgcc.mk): Define mkinstalldirs.
2105 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
2107 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
2109 * config/vax/vax.c: include expr.h.
2111 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
2113 * Makefile.in ($(srcdir)/configure): Only rebuild in
2115 ($(srcdir)/config.in): Only define in maintainer mode.
2116 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
2118 2001-08-02 David Edelsohn <edelsohn@gnu.org>
2120 * doc/install.texi (Install GCC: Binaries): Update Bull info.
2122 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2124 * gcc.c (set_collect_gcc_options): New function, split out from
2126 Ignore elided switches.
2127 (do_spec_1): Invoke before executing command.
2128 (set_input): Export.
2129 Move declaration ...
2130 * gcc.h (set_input): ... here.
2131 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
2134 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
2137 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
2139 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
2141 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
2143 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
2144 for the unnamed instructions it expands to.
2146 2001-08-02 Richard Henderson <rth@redhat.com>
2148 * regclass.c (call_really_used_regs): Conditionally define.
2149 (init_reg_sets_1): Don't use it if not defined.
2150 (fix_register): Similarly, don't set it.
2152 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2154 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
2155 Correct comment that had been missed in the previous change.
2157 2001-08-01 Stan Shebs <shebs@apple.com>
2159 * config/darwin.c (machopic_stub_name): Try matching by name.
2160 (update_stubs): New function.
2161 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
2164 2001-08-01 Richard Henderson <rth@redhat.com>
2166 * except.c (output_function_exception_table): Use assemble_align.
2167 * varasm.c (assemble_eh_label): Remove.
2168 (assemble_eh_align, assemble_eh_integer): Remove.
2170 2001-08-01 Robert Lipe <robertl@caldera.com>
2172 * dwarfout.c: Remove reference to README.DWARF.
2174 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
2176 * regclass.c (call_really_used_regs): New array for registers which
2177 are actually used by a call.
2178 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
2180 (fix_register): Set call_really_used too.
2181 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
2182 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
2184 2001-08-01 Richard Henderson <rth@redhat.com>
2186 * read-rtl.c (read_name): Consider \r whitespace.
2188 2001-07-11 Andrew Cagney <ac131313@redhat.com>
2190 * config.gcc: Recognize powerpc-*-netbsd*.
2192 * doc/install.texi (Host/target specific installation notes for
2193 GCC): Mention powerpc-*-netbsd*.
2195 * config/rs6000/netbsd.h: New file.
2196 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
2197 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
2198 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
2199 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
2200 (TARGET_VERSION): Redefine.
2202 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
2203 mcall-netbsd as a match for mcall-sysv.
2204 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
2205 (ncrti.S, ncrtn.S): New targets.
2206 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
2208 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
2209 "netbsd' as a V4 ABI.
2210 (ASM_SPEC): Check for -mcall-netbsd.
2211 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
2212 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
2213 (LIB_SPEC, ENDFILE_SPEC): Ditto.
2214 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
2215 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
2216 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
2217 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
2219 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
2220 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
2222 2001-08-01 Mark Kettenis <kettenis@gnu.org>
2224 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
2225 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
2226 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
2227 including "unwind-pe.h".
2229 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2231 * rs6000.md (define_splits): Kill unused constraints.
2233 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
2234 Jan Hubicka <jh@suse.cz>
2236 * function.c (thread_prologue_and_epilogue_insns): Kill code
2237 dealing with non-existent CFG.
2239 2001-08-01 Kazu Hirata <kazu@hxi.com>
2241 * alias.c: Fix comment formatting.
2242 * bitmap.c: Likewise.
2243 * builtins.c: Likewise.
2244 * calls.c: Likewise.
2245 * c-common.c: Likewise.
2246 * c-decl.c: Likewise.
2247 * c-dump.c: Likewise.
2248 * c-lex.c: Likewise.
2249 * collect2.c: Likewise.
2250 * combine.c: Likewise.
2251 * conflict.c: Likewise.
2252 * cppfiles.c: Likewise.
2253 * cppinit.c: Likewise.
2254 * cpplex.c: Likewise.
2255 * cpplib.c: Likewise.
2256 * cppmacro.c: Likewise.
2257 * cppspec.c: Likewise.
2258 * c-pragma.c: Likewise.
2259 * crtstuff.c: Likewise.
2261 * cselib.c: Likewise.
2262 * c-semantics.c: Likewise.
2263 * c-typeck.c: Likewise.
2265 2001-08-01 H.J. Lu <hjl@gnu.org>
2267 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
2269 2001-08-01 H.J. Lu <hjl@gnu.org>
2271 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
2273 2001-08-01 Ziemowit Laski <zlaski@apple.com>
2275 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
2276 contextualizing Objective-C class name lookup by the lexer.
2277 (typespec_reserved_nonattr): Disable ObjC class name lookup after
2279 (protocoldef): Add support for forward @protocol declarations.
2280 (yylexname): Suppress ObjC class name lookup in certain contexts;
2281 re-enable after lookup is complete.
2282 (_yylex): Re-enable ObjC class name lookup when certain
2283 punctuation marks are seen.
2285 * objc/objc-act.c (check_protocol_recursively): New function used
2286 for finding circular dependencies in protocols.
2287 (objc_declare_protocols): New function for handling forward
2288 @protocol declarations.
2289 (receiver_is_class_object): Detect the case when 'self' is used
2290 inside of a class method.
2291 (build_message_expr): Issue a warning if class method is desired
2292 but instance method is found instead.
2293 (conforms_to_protocol): Streamline.
2294 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
2295 protocol Foo, even if 'Bar foo' does not.
2296 (check_protocols): Streamline.
2297 (start_protocol): Add checks for circular and duplicate protocol
2299 (encode_aggregate_within): For typedefs of structs, encode the
2301 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
2302 (objc_declare_protocols): New prototype.
2304 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2306 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
2307 * cpplex.c (handle_newline): Update prototype. Maintain logical
2309 (skip_escaped_newlines, skip_block_comment, parse_string):
2311 (_cpp_lex_token): Update, and store token position within the token.
2312 * cpplib.h (struct cpp_token): Add line and column entries.
2313 * cppmacro.c (replace_args): Position stringified tokens correctly.
2315 2001-08-01 Andreas Jaeger <aj@suse.de>
2317 * basic-block.h: Add prototype for last_loop_beg_note.
2319 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
2321 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
2322 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
2324 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
2325 while handling WITH_CLEANUP_EXPR node. Use second operand calling
2326 expand_decl_cleanup.
2327 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
2329 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
2330 operand while calling simple_cst_equal.
2331 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
2332 operand is the cleanup expression, the third is the RTL_EXPR.
2333 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
2335 2001-07-31 Jeff Sturm <jsturm@one-point.com>
2337 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
2339 2001-07-31 matthew green <mrg@eterna.com.au>
2341 * config.gcc (i386-*-netbsdelf): New description.
2342 * config/i386/netbsd-elf.h: New file.
2344 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
2346 * loop.c (check_dbra_loop): Use single_set to compute
2349 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
2351 PowerPC reorg and support for powerpc64-*-linux*.
2353 Also fixes emitting of constants on 32 bit and 64 bit
2356 * config.gcc: powerpc64-*-linux* is a new target.
2357 Things that needed aix.h now also include xcoff.h
2359 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
2361 Move AIX specific stuff into aix.h.
2362 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
2363 with more than just XCOFF now.
2364 (SET_ASM_OP): Remove, now defined where needed.
2365 (FUNCTION_PROLOGUE): New macro definition.
2366 (FUNCTION_EPILOGUE): New macro definition.
2367 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
2369 * config/rs6000/xcoff.h: New file.
2371 * config/rs6000/linux64.h: New file.
2373 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
2375 2001-07-31 Alan Modra <amodra@bigpond.net.au>
2377 * rs6000.c (print_operand_address): Handle ELF syntax.
2378 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
2379 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
2380 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
2382 2001-07-31 David Edelsohn <edelsohn@gnu.org>
2384 * rs6000.c (rs6000_override_options): Only disable
2385 flag_function_sections for XCOFF.
2386 (exact_log2_cint_operand): New predicate.
2387 (reg_or_{add,sub}_cint64_operand): New predicates.
2388 (add_operand): Compare CONST_INT with fewer function calls.
2389 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
2390 (print_operand, case 'p'): Ensure positive operand.
2391 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
2392 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
2393 (PREDICATE_CODES): Add new predicates.
2394 * rs6000.md (addsi3): Split 32-bit constants more correctly.
2395 (divsi3, modsi3): Ensure positive power-of-2.
2396 (adddi3): Use new predicate. Split 32-bit constants more
2397 correctly. Re-arrange splitter to handle any constant.
2398 (subdi3): Use new predicate.
2399 (divdi3, moddi3): Ensure positive power-of-2.
2400 (movdi): Use rs6000_emit_set_const.
2401 (load_toc_v4_pic_di): Delete.
2403 2001-07-31 Graham Stott <grahams@redhat.com>
2405 * function.c (pad_below): Revert 2001-07-26 patch.
2407 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2409 * reg-stack (convert_regs_1): Fix best edge condition.
2411 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2413 * jump.c (duplicate_loop_exit_test): Better test for jumps
2414 entering the loop; create loop pre_header.
2416 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
2418 * doc/install.texi: Add s390 and s390x as new targets.
2419 * doc/invoke.texi: Add documantation of S/390 and zSeries
2421 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
2423 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2425 * config/m68k/m68k.md: Replace all general_operand with
2426 nonimmediate_operand for all destinations.
2427 * config/m68k/m68k.c (not_sp_operand): Likewise.
2429 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
2431 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
2433 2001-07-30 Richard Henderson <rth@redhat.com>
2435 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
2436 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
2438 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
2440 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
2441 Add missing doc strings
2442 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
2443 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
2445 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2447 * i386.c (ix86_output_main_function_alignment_hack): New function.
2448 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
2450 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
2451 edges by EDGE_DFS_BACK flag.
2452 (dump_edge_info): Add dfs_back flag.
2453 * basic-block.h (EDGE_DFS_BACK): New constant.
2454 (mark_dfs_back_edges): Declare.
2455 * alias.c (loop_p): Remove.
2456 (mark_constant_function): Use mark_dfs_back_edges.
2458 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
2459 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
2460 (compensate_edge): Break out from ...
2461 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
2462 (convert_regs_2): Set block_done once block is really done;
2463 Do updating of the predecesors counts.
2465 * toplev.c (rest_of_compilation): Recompute block_for_insn
2466 before post-reload cfg_cleanup.
2467 * function.c (thread_prologue_epilogue_insns):
2468 Call set_block_for_new_insns when emitting prologue directly.
2470 2001-07-30 Andreas Jaeger <aj@suse.de>
2472 * jump.c: Add prototype for mark_modified_reg.
2474 * cse.c (set_live_p): Add unused attribute.
2476 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
2478 (scan_for_source_files): Use long for count to avoid overflow.
2479 (output_data): Likewise.
2480 (output_data): Don't use string concatatenation to silence gcc
2483 * predict.c: Fix typos and grammar.
2485 * gcse.c (insert_insn_end_bb): Remove unused variables.
2487 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2489 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
2490 (attempt_auto_inc): LIkewise.
2491 (mark_used_reg): Likewise.
2492 (try_pre_increment_1): Likewise.
2493 * regclass.c (regclass): Likewise.
2494 * global.c (allocno_compare): Update comment; change scaling factor.
2495 * local-alloc.c (QTY_CMP_PRI): Likewise.
2496 * regs.h (REG_FREQ_FROM_BB): New.
2497 (REG_FREQ_MAX): Likewise.
2499 2001-07-30 H.J. Lu <hjl@gnu.org>
2501 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
2504 2001-07-30 H.J. Lu (hjl@gnu.org)
2506 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
2507 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2508 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
2510 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
2512 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
2513 as -mthumb-interwork when -mcpu=arm7 is specified.
2515 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2517 * predict.def (noreturn, loop branch, loop exit): Mark as first
2520 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
2522 * combine.c (try_combine): Avoid barrier after noop jumps.
2524 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2526 * cpphash.h (struct cpp_reader): Remove import_warning.
2527 * cpplib.c (skip_rest_of_line): Don't bother turning off
2529 (parse_include): Move include handling to...
2530 (do_include_common): ... here. Move import warning from...
2531 (do_import): ... here.
2532 (do_pragma_poison): Don't do a callback for poison identifiers.
2533 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
2534 * cppmain.c (setup_callbacks): Similarly.
2536 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2538 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
2539 handle multiple sets.
2540 * except.c (sjlj_mark_call_sites): .... here.
2541 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
2543 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
2545 Suggested by Richard Henderson and Richard Kenner:
2546 * combine.c (recog_for_combine): Use the fake recog
2547 only if instruction does not match.
2548 * rtl.h (NOOP_MOVE_INSN_CODE): New.
2549 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
2551 * combine.c (try_combine): Discover noop jump as direct jump.
2553 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
2555 * df.c (df_rd_global_compute): Add successors to worklist, not
2557 (df_ru_global_compute): Ditto.
2559 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
2561 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
2562 increment REG_N_SETS.
2564 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
2566 * sbitmap.h: New prototype for sbitmap_a_xor_b.
2568 * sbitmap.c (sbitmap_a_xor_b): New function.
2569 ifdef the basic block stuff on IN_GCC.
2571 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2573 * cppexp.c (parse_defined): Always record the macro name.
2574 (lex): Don't worry about identifiers, or special-case
2576 (_cpp_parse_expr): Figure out at the end of the routine
2577 whether we saw a valid !defined() expression.
2578 * cppfiles.c (stack_include_file): Update for mi_valid.
2579 (_cpp_pop_file_buffer): Similarly.
2580 * cpplex.c (_cpp_lex_token): Similarly.
2581 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
2582 mi_if_not_defined, mi_lexed): Remove.
2584 * cpplib.c (do_if): Simplify.
2585 (do_endif, push_conditional, _cpp_handle_directive): Update
2586 for renaming of mi_state to mi_valid.
2588 * cpp.texi: Add index entries for digraphs, and add comment
2589 that C++ refers to them as alternative tokens.
2591 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2593 * basic-block.h (CLEANUP_PRE_LOOP): New.
2594 * except.c (finish_eh_generation): Update call of cleanup_cfg.
2595 * sibcall.c (optimize_sibling_calls): Likewise.
2596 * toplev.c (rest_of_compilation): Likewise.
2597 * flow.c (try_forward_edges): Take argument MODE;
2598 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
2599 (try_optimize_cfg): Update call of try_forward_edges.
2601 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2602 Jan Hubicka <jh@suse.cz>
2604 * (validate_replace_rtx_1): Fix simplification of MINUS.
2606 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
2608 PR preprocessor/3669
2609 * cppinit.c (init_dependency_output): Turn off dump requests
2610 if sending dependencies to stdout.
2612 2001-07-28 Richard Henderson <rth@redhat.com>
2614 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
2617 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
2619 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
2621 2001-07-28 Kazu Hirata <kazu@hxi.com>
2623 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
2624 is VAR_DECL first to prevent an ICE.
2626 2001-07-28 Richard Henderson <rth@redhat.com>
2628 * varasm.c (immed_real_const_1): Don't elide special cases for
2630 (clear_const_double_mem): Clear const_tiny_rtx too.
2632 2001-07-28 Richard Henderson <rth@redhat.com>
2634 * dwarf2out.c (dw_val_class_offset): New.
2635 (struct dw_ranges_struct, dw_ranges_ref): New.
2636 (ranges_table, ranges_table_allocated): New.
2637 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
2638 (add_AT_offset, add_ranges, output_ranges): New.
2639 (print_die, output_die): Handle dw_val_class_offset.
2640 (attr_checksum, size_of_die, value_format): Likewise.
2641 (gen_lexical_block_die): Handle non-contiguous blocks.
2642 (gen_block_die): Likewise.
2643 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
2644 if needed. Dump the ranges table.
2645 * final.c (final_start_function): Remove unnecessary notes and
2646 rebuild the block tree before numbering the blocks.
2647 * function.c (reorder_blocks_0): Walk the existing block tree
2648 to unmark all blocks.
2649 (reorder_blocks_1): Create block fragments when duplicate block
2651 (reorder_fix_fragments): New.
2652 (reorder_blocks): Call it.
2653 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
2655 2001-07-28 Richard Henderson <rth@redhat.com>
2657 * emit-rtl.c (adjust_address): Make a copy of the memory address.
2659 2001-07-28 Richard Henderson <rth@redhat.com>
2661 * flow.c (add_to_mem_set_list): New function.
2662 (init_propagate_block_info): Use it.
2663 (mark_set_1): Likewise.
2664 (insn_dead_p): Canonicalize memory address for dead store
2665 comparison. Allow wider mode stores to kill narrower mode stores.
2666 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
2667 (invalidate_mems_from_set): Don't handle MEMs.
2669 2001-07-28 Kazu Hirata <kazu@hxi.com>
2671 * config/h8300/h8300.h: Fix formatting.
2673 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2675 * basic-block.h (EDGE_FREQUENCY): New macro.
2676 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2678 * flow.c (find_sub_basic_blocks): Likewise.
2679 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2680 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2682 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2683 (HITRATE): New macro.
2684 (PRED_FLAG_FIRST_MATCH): New constant.
2685 (predictor_info): New field flgags.
2686 (combine_predictions_for_insn): Use DS theory to combine
2687 probabilities; set the edge probabilities when finished.
2688 (estimate_probability): Avoid duplicated matches
2689 of LOOP_BRANCH heuristics for nested loops; update comment.
2690 * predict.def: Add flags for each prediction, set probabilities
2691 according to B&L paper.
2692 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2694 * profile.c (compute_branch_probabilities): Cleanup way the edge
2695 probabilities are computed and REG_BR_PROB notes are dropped; if
2696 values does not match, emit error.
2697 (init_branch_prob): Do error instead of warning when profile driven
2698 feedback is missing or corrupt.
2700 2001-07-27 DJ Delorie <dj@redhat.com>
2702 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2703 against a constant, try to adjust the compare to have the desired
2704 constant in it so that min/max optimizations happen more often.
2706 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2708 * flow.c (last_loop_beg_note): New function.
2709 (redirect_edge_and_branch): Use it.
2710 (split_edge): Likewise.
2712 * alias.c (loop_p): Avoid uninitialized memory access.
2714 * flow.c (try_forward_edges): Avoid accessing freed memory.
2716 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2719 2001-07-26 Andrew Haley <aph@redhat.com>
2720 Joern Rennecke <amylaar@redhat.com>
2722 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2723 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2724 (SUBTARGET_CPP_SPEC): New.
2726 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2727 (SUBTARGET_CPP_PTR_SPEC): New.
2728 (CPP_DEFAULT_CPU_SPEC): New.
2729 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2730 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2731 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2732 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2733 (SUBTARGET_CPP_SPEC): Define as an empty string.
2735 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2737 * doc/install.texi (Configuration): Properly link the host
2738 specific instructions also when generating HTML.
2740 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2742 * flow.c (redirect_edge_and_branch_force): Test
2743 target->global_live_at_start.
2745 2001-07-26 Richard Henderson <rth@redhat.com>
2747 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2748 * rtl.h (avoid_constant_pool_reference): Declare it.
2749 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2750 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2752 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2754 * rtl.h (cleanup_barriers): Declare.
2755 * jump.c (cleanup_barriers): New function.
2756 * toplev.c (rest_of_compilation): Call cleanup_barriers
2757 before loop optimizer and after bb_reorder.
2759 * flow.c (back_edge_of_syntactic_loop_p): New.
2760 (split_edge): Use it.
2762 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2764 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2766 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2768 * cse.c (cse_process_notes): Replace any registers if the address
2771 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2773 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2774 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2775 (propagate_block): Update prototype.
2776 * flow.c (update_life_info): Simplify the CFG and
2777 recalculate the global regs which are alive when
2778 removing dead code during a global update.
2779 (propagate_block): Return non-zero if an INSN is
2782 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2784 * Makefile.in (LIBICONV): Define.
2786 2001-07-26 Catherine Moore <clm@redhat.com>
2788 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2789 of conditional to avoid tree checking errors.
2791 2001-07-26 Kazu Hirata <kazu@hxi.com>
2793 * regmove.c (regmove_optimize): Don't replace a reg with
2794 another reg of a different mode.
2796 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2798 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2799 limit length of dependancy flush list.
2800 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2801 * sched-int.h (struct deps): Add pending_flush_length field.
2802 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2803 has 1 element in it.
2804 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2805 (sched_analyze): After a jump, if the pending memory flush list is too
2806 large, flush the pending lists.
2807 (init_deps): Initialize pending_flush_length to 0.
2808 * doc/invoke.texi (max_pending_list_length): Document parameter.
2810 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2812 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2813 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2814 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2816 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2818 * cpphash.h (struct_lexer_state): Delete was_skipping.
2819 Move skipping here from struct cpp_reader.
2820 * cpplex.c (parse_identifier): Update.
2821 (_cpp_lex_token): Don't skip tokens in a directive.
2822 * cpplib.c (struct if_stack): Update.
2823 (start_directive, end_directive): Don't change skipping state.
2824 (_cpp_handle_directive): Update.
2825 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2826 (do_else, do_endif): Update; only check for excess tokens if not
2827 in a skipped conditional block.
2828 (push_conditional): Update for new struct if_stack.
2830 2001-07-26 Graham Stott <grahams@redhat.com>
2832 * function.c (locate_and_pad_parm): Also pad initial offset
2833 so that the total argument size also includes the padding.
2835 2001-07-26 Graham Stott <grahams@redhat.com>
2837 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2838 change XSTR to XTMPL.
2840 (process_one_cond_exec): Likewise
2842 2001-07-25 Richard Henderson <rth@redhat.com>
2844 * varasm.c (assemble_variable): Create DECL_RTL before setting
2847 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2849 * predict.c (estimate_probability): Avoid duplicated predictions.
2851 * loop.c (find_and_verify_loops): Grok multiple barriers.
2853 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2855 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2857 * dbxout.c: Consistently use putc instead of fputc.
2858 (print_wide_int): New function; call instead of direct fprintf.
2859 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2860 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2861 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2862 (print_int_cst_octal): Likewise.
2863 (print_octal): Show we wrote characters.
2864 (dbxout_type): Set have_used_extensions in more places.
2866 2001-07-25 Catherine Moore <clm@redhat.com>
2868 * config/v850/v850.c (v850_va_arg): Use addr
2869 instead of valist to build incr.
2871 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2873 * flow.c (delete_dead_jumptables): New function.
2874 (life_analyzis): Call it.
2875 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2878 2001-07-25 Richard Henderson <rth@redhat.com>
2880 * except.c (reachable_handlers): Handle a region being removed
2881 out from under a RESX.
2883 2001-07-25 Richard Henderson <rth@redhat.com>
2885 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2886 swap GE/GT if it is an fp comparison.
2888 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2890 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2893 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2895 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2896 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2899 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2901 (visit_expression): When attempting to simplify an expression,
2902 retrieve any modes for arguments before they are simplified
2905 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2906 Janis Johnson <janis@us.ibm.com>
2908 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2909 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2910 pointer parameters to match documented usage of nonlocal_goto.
2911 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2912 parameters to their correct order.
2913 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2914 parameters to their correct order.
2916 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2918 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2920 2001-07-25 Jan Hubicka <jh@suse.cz>
2921 Richard Henderson <rth@redhat.com>
2923 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2925 (make_edges): New argument update_p; populate the edge cache if set.
2926 (find_basic_blocks): Update make_edges invocation.
2928 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2930 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2932 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2934 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2935 -Acpu and -Amachine.h.
2936 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2937 Corrected header to say ELF not a.out.
2938 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2939 when given -msoft-float.
2941 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2943 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2944 extra multilib parts like arm-elf.
2945 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2946 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2947 crtfini.o as extra multilib parts.
2949 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2951 * configure.in: Add rtems as a supported thread model.
2952 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2953 * configure: Rebuilt.
2955 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2957 * stor-layout.c (get_mode_alignment): make it work when
2958 BITS_PER_UNIT is not a power of two.
2959 * builtins.c (get_pointer_alignment): Likewise.
2961 2001-07-24 Richard Henderson <rth@redhat.com>
2963 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2964 the retrieved constant into the expected mode.
2966 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2968 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2969 (verify_flow_info): Check for duplicated edges; clarify
2972 * flow.c (block_label): Update basic_block_for_insn.
2973 (commit_edge_insertions): Call compute_bb_for_insn.
2975 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2978 * flow.c (redirect_edge_and_branch,
2979 try_optimize_cfg): Use redirect_edge_succ_nodup
2980 (redirect_edge_succ_nodup): New.
2981 * basic_block.h (redirect_edge_succ_nodup): Declare.
2983 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2986 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2988 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2989 (try_crossjump_to_edge): Update commetns.
2990 (try_crossjump_bb): Likewise.
2992 2001-07-24 Richard Henderson <rth@redhat.com>
2994 * combine.c (distribute_notes): Move set of need_refresh
2995 for noop_move_p down to catch all cases.
2997 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2999 * recog.c (split_all_insns_noflow): New.
3000 * rtl.h (split_all_insns_noflow): Declare.
3001 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
3002 * m68hc11.c (m68hc11_reorg): Likewise.
3003 * sh.c (machine_dependent_reorg): Likewise.
3004 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
3007 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
3009 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
3010 (ashlsi3_n splitter): Likewise.
3011 (lshrsi3_n splitter): Likewise.
3013 (GOTaddr2picreg): Make const SImode.
3014 (sym_label2reg): Likewise.
3015 (symGOT2reg): Likewise.
3016 (symGOTOFF2reg) Likewise.
3018 (casesi_worker_0): Make unspec SImode.
3020 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
3022 * config/sh/sh.c (barrier_align): Check that an operand really is
3023 an insn before extracting its INSN_CODE.
3025 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
3027 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
3030 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
3031 for SImode to prevent overflow.
3033 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3035 * config/mips/irix6-libc-compat.c: New file.
3036 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
3037 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
3040 2001-07-24 lars brinkhoff <lars@nocrew.org>
3042 * rtl.texi (REG_POINTER): Document.
3043 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
3044 QFmode, HFmode, TQFmode, QCmode, and HCmode.
3046 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3048 * flow.c (delete_noop_moves): Do not confuse libcall regions.
3050 2001-07-23 Richard Henderson <rth@redhat.com>
3052 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
3054 2001-07-23 Kazu Hirata <kazu@hxi.com>
3056 * config/h8300/h8300-protos.h: Add a prototype for
3057 general_operand_dst_push.
3058 * config/h8300/h8300.c (general_operand_dst_push): New.
3059 * config/h8300/h8300.h (OK_FOR_T): New.
3060 (EXTRA_CONSTRAINT): Use it.
3061 * config/h8300/h8300.md (movqi_push): Remove and integrate into
3062 the existing movqi pattern.
3063 (movhi_push): Likewise.
3065 * reload.c: Fix comment typos.
3067 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3069 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
3071 2001-07-23 H.J. Lu (hjl@gnu.org)
3073 * doc/extend.texi: Update __builtin_return_address and
3074 __builtin_frame_address.
3076 2001-07-23 Richard Henderson <rth@redhat.com>
3078 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
3080 * config/i386/i386.md: New setcc+movzbl peephole2.
3082 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3084 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
3085 * objc/objc-act.c: Include debug.h.
3086 (synth_module_prologue): Save and restore debug hooks too.
3088 2001-07-23 lars brinkhoff <lars@nocrew.org>
3090 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
3091 and C4X_FLOAT_FORMAT.
3092 (BOOL_TYPE_SIZE): Document.
3094 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
3096 * unroll.c (loop_iterations): Fix miscalculation of initial
3099 2001-07-13 Andrew Haley <aph@redhat.com>
3101 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
3102 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
3103 * config/sh/sh.c (sh_can_redirect_branch): New function.
3104 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
3105 * reorg.c (steal_delay_list_from_target): Use
3106 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
3108 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3110 * flow.c (try_simplify_condjump): Unlink insn chain on
3111 fallthru edge; use can_fallthru.
3113 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
3115 * basic-block.h (find_sub_basic_block): Declare.
3116 * flow.c (make_edges): New arguments MIN and MAX;
3117 (find_sub_basic_blocks): Revamp to use make_edges
3118 and purge_dead_edges.
3119 (find_basic_blocks): Update call of find_sub_basic_block.
3121 * recog.c (split_all_insns): Always expect CFG to be consistent;
3122 call find_sub_basic_blocks in case something has changed.
3123 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
3126 * basic-block.h (delete_noop_moves): Declare.
3127 * combine.c (combine_instructions): Call it.
3128 (recog_for_combine): Tolerate noop moves
3129 (distribute_notes): Force refresh when register dies at noop move.
3130 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
3132 (life_analysis): Update delete_noop_moves call.
3133 (set_noop_p): Move too ...
3134 * rtlanal.c (noop_move_p): ... here.
3135 * rtl.h (noop_move_p): Declare.
3137 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
3138 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
3140 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
3141 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
3143 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
3145 * reload.c (push_reload): Fix typo in comment.
3146 (find_reloads_address): Ditto.
3147 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
3149 2001-07-22 Richard Henderson <rth@redhat.com>
3151 * flow.c: Grammar check and clarify a lot of comments.
3152 (try_simplify_condjump): Rename variables to be clearer.
3153 (try_forward_edges): Skip complex and fallthru edges.
3154 Rearrange tests to avoid duplicate checks.
3155 (flow_find_cross_jump): Likewise.
3156 (outgoing_edges_match): Allow match if neither branch has
3157 probability data. Loosen probability match to 5%.
3158 (try_crossjump_to_edge): Hoist repeated indirection into
3160 (try_crossjump_bb): Don't check complex edges. Eliminate
3161 redundant crossjump tests.
3162 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
3163 checks before more expensive checks.
3165 2001-07-22 Richard Henderson <rth@redhat.com>
3167 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
3168 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
3171 2001-07-22 Richard Henderson <rth@redhat.com>
3173 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
3174 (const_sint32_operand): Likewise.
3175 * m68k.md (anon mulsi pattern): Use const_int_operand not
3176 const_sint32_operand.
3177 (umulsi3_highpart): Zero extend a constant input.
3178 (smulsi3_highpart): Don't bother checking SImode constant.
3179 (const_umulsi3_highpart): Give op3 DImode.
3180 (const_smulsi3_highpart): Likewise.
3182 2001-07-22 Richard Henderson <rth@redhat.com>
3184 * flow.c (split_block): Make sure bb_note is included in the
3185 new block when splitting before a label.
3187 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3189 * basic-block.h (redirect_edge_and_branch_force,
3190 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
3191 * flow.c (redirect_edge_and_branch_force,
3192 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
3193 (redirect_edge_and_branch_force): Fix copying of lifeness information.
3194 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
3195 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
3196 instead of label; update CFG after transformation.
3197 (find_if_case_1): Update call, use redirect_edge_and_branch_force
3198 for finishing the transformation; handle even case where ELSE
3199 does not follow THEN.
3200 (find_if_case_2): Update call of dead_or_predictable; simplify
3203 * emit-rtl.c (split_branch_probability): New global variable.
3204 (try_split): Take care to set split_branch_probability and
3205 create REG_BR_PROB note for new jump insns.
3206 * md.texi (define_split): Document new feature.
3208 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
3210 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
3212 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
3213 (asm_out_file): Remove redundant declaration.
3214 (assemble_asm): Remove old #if 0 block.
3215 (assemble_variable): Remove end of function; debug output is
3216 now handled with global_decl. Remove old #if 0 block. Update.
3217 Remove saved_in_section and associated no-op code.
3218 * Makefile.in (varasm.o): Correct dependencies.
3220 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
3222 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
3223 the definition in defaults.h.
3225 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
3227 * jump.c: Update comments.
3228 (delete_barrier_successors, delete_unreferenced_labels,
3229 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
3230 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
3231 jump_optimize, jump_optimize_minimal): Kill.
3232 (rebuild_jump_labels): Move code from jump_optimize_1.
3233 (purge_line_number_notes): Likewise.
3234 (copy_loop_headers): Likewise.
3235 * reg-stack.c: Update comment.
3237 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
3238 JUMP_AFTER_REGSCAN): Kill.
3239 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
3240 purge_line_number_notes and copy_loop_headers.
3242 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
3243 Richard Henderson <rth@redhat.com>
3245 * dbxout.c (dbxout_global_decl): New.
3246 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3247 * sdbout.c (sdbout_finish): New.
3248 (sdbout_debug_hooks): Use it, add comments.
3249 (sdbout_global_decl): Defer initialised public vars to
3251 * varasm.c (assemble_variable): Don't output debug information
3252 for file-scope variables.
3254 2001-07-22 Richard Henderson <rth@redhat.com>
3256 * config/alpha/alpha.c (get_trap_mode_suffix): New.
3257 (get_round_mode_suffix): New.
3258 (print_operand): Use them for [/]. Remove support for [&'`()+].
3259 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
3260 * config/alpha/alpha.md (attr round_suffix): New.
3261 (attr trap_suffix): New.
3262 (all insns): Set them appropriately. Use %/ instead of the
3265 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3267 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
3269 2001-07-22 Richard Henderson <rth@redhat.com>
3271 * regrename.c (regrename_optimize): Compute nregs for each
3272 potential target register.
3274 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
3275 Richard Henderson <rth@redhat.com>
3277 * dbxout.c (dbxout_global_decl): New.
3278 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
3279 * sdbout.c (sdbout_finish): New.
3280 (sdbout_debug_hooks): Use it, add comments.
3281 (sdbout_global_decl): Defer initialised public vars to
3283 * varasm.c (assemble_variable): Don't output debug information
3284 for file-scope variables.
3286 2001-07-21 H.J. Lu (hjl@gnu.org)
3288 * config/mips/mips.c (mips_cpu): Moved into ...
3289 (override_options): Here.
3291 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
3293 (mips_cpu): Removed.
3295 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3297 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
3298 ("iorqi3"): Likewise.
3299 ("xorqi3"): Likewise.
3300 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
3301 ("*subhi3_sp): Likewise.
3302 ("*subhi3"): Likewise.
3303 ("extendhisi2"): Accept D, X and Y as source operand to avoid
3306 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
3308 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
3309 * config/freebsd.h: Likewise.
3310 * config/linux.h: Likewise.
3311 * config/openbsd.h: Likewise.
3312 * config/alpha/linux-elf.h: Likewise.
3313 * config/arm/linux-elf.h: Likewise.
3314 * config/d30v/d30v.h: Likewise.
3315 * config/fr30/fr30.h: Likewise.
3316 * config/ia64/aix.h: Likewise.
3317 * config/ia64/ia64.h: Likewise.
3318 * config/mips/linux.h: Likewise.
3319 * config/pj/pj.h: Likewise.
3320 * config/rs6000/linux.h: Likewise.
3321 * config/sparc/linux.h: Likewise.
3322 * config/sparc/linux64.h: Likewise.
3324 2001-07-20 Bruce Korb <bkorb@gnu.org>
3326 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
3327 because getc() and char* may disagree on signedness.
3329 2001-07-20 Richard Henderson <rth@redhat.com>
3331 * doc/rtl.texi (REG_DEAD): Update for current semantics.
3333 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
3334 insns to delete in the presence of cc0 in a jump insn.
3336 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3337 Jan Hubicka <jh@suse.cz>
3339 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
3340 of doing the change by hand.
3342 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3344 * rtlanal.c (set_noop_p): Return true for noop jumps.
3346 * expr.c (emit_single_push_insn): Add call to push expander.
3347 * expr.h (optab_index): Add OTI_push
3348 (push_optab): New constant.
3349 * genopinit.c (optabs): Add push_optab.
3350 * optabs.c (init_optab): Init push optab.
3351 * md.texi (push??1): Document
3353 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3355 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
3356 expand to emit the pattern; put a REG_INC note for push/pop
3358 ("movdf", "movdf_internal"): Likewise.
3359 ("movsi", "movsi_internal"): Likewise.
3360 ("movsf", "movsf_internal"): Likewise.
3361 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
3363 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3365 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
3368 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
3370 * params.def: Change default max inline insns to 100.
3372 2001-07-20 Diego Novillo <dnovillo@redhat.com>
3374 * combine.c (combine_simplify_rtx): Generate a new shift operation
3375 when simplifying the first operand of a (neg (ashift)) expression.
3377 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
3379 * regclass.c (N_REG_INTS): Use only 32 bits per element.
3381 2001-07-20 Kelley Cook <kelley.cook@home.com>
3383 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
3384 information. Move rest into ...
3385 (*-*-solaris): ... here. Eliminate redundant information and
3386 reword necessary packages section. Delete 4.x assembler bug info.
3387 (sparc-sun-*): Merge into ...
3388 (sparc-sun-sunos*): here.
3390 2001-07-20 Catherine Moore <clm@redhat.com>
3392 * config/v850/v850.md (casesi): Generate LABEL_REF
3395 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3397 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
3398 * i386.c (ix86_zero_extend_to_Pmode): Make global.
3399 * i386.md (strclrsi expander): Use it.
3401 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3403 * integrate.c (copy_insn_list): handle
3404 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
3405 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
3406 identically as to CODE_LABEL.
3408 * fold-const (fold): Convert A/B/C to A/(B*C) and
3411 * except.c (connect_post_landing_pads): Delete the RESX insns.
3413 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
3415 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
3417 * config/mips/mips.md (nmadd/nmsub): Use macro.
3419 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
3421 * cppinit.c (remove_dup_dir): Make static.
3422 (remove_dup_dirs): Make static. Only warn about preempting a
3423 system directory with a non-system directory.
3425 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3427 * ifcvt.c (noce_try_store_flag_constants): Correct order
3428 of parameters to trunc_int_for_mode.
3430 2001-07-19 Mark Mitchell <mark@codesourcery.com>
3432 * reorg.c (fill_simple_delay_slots): If an instruction might throw
3433 an exception that will be caught within this function, do not fill
3434 its delay slot with any subsequent instruction.
3436 2001-07-19 Steve Ellcey <sje@cup.hp.com>
3438 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
3439 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
3440 pointer extension instruction.
3441 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
3442 * simplify-rtx.c (simplify_unary_operation) Likewise.
3443 * explow.c (convert_memory_address) Check value of
3444 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
3446 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
3447 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
3448 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
3449 Add Multilib Support.
3450 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
3451 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
3452 Add Multilib Support.
3453 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
3455 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
3456 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
3457 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
3459 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
3461 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
3462 old and new operands in `<', `3' and `b'.
3464 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3466 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
3467 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
3468 (toplev.o): Don't depend on xcoffout.h.
3469 * c-decl.c: Include debug.h
3470 (duplicate_decls): Use debug hook.
3471 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
3472 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3473 (dbxout_types): Remove.
3474 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
3475 * debug.c (do_nothing_debug_hooks): Update.
3476 (debug_true_tree, debug_nothing_rtx): New.
3477 * debug.h (struct rtx_def): New.
3478 (struct gcc_debug_hooks): New hooks ignore_block,
3479 outlining_inline_function and label.
3480 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
3481 dwarf2out_frame_finish): New.
3482 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
3483 Make static, update prototype.
3484 (dwarf2_debug_hooks): Update.
3485 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
3486 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
3487 * dwarfout.c (dwarf_debug_hooks): Update.
3488 * emit-rtl.c: Include debug.h.
3489 (remove_unnecessary_notes): Use debug hook.
3490 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
3491 (final_scan_insn): Use debug hook.
3492 * integrate.c (output_inline_function): Use debug hook.
3493 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
3494 (sdb_debug_hooks): Update.
3495 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
3496 * toplev.c: Don't include xcoffout.h.
3497 (note_outlining_of_inline_function, debug_ignore_block): Remove.
3498 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
3500 * tree.h (dwarf2out_do_frame): Remove.
3502 2001-07-19 Catherine Moore <clm@cygnus.com>
3504 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
3506 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
3508 * reload1.c (eliminate_regs_in_insn): When updating a set
3509 to the frame pointer to the hardware frame pointer, perform
3510 the update always not just when REPLACE is set.
3512 * reload1.c (choose_reload_regs): Don't inherit a reload
3513 that crosses multiple registers if registers past the first
3514 don't fit in the desired class.
3516 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
3517 when negating constants.
3519 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
3521 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
3522 * doc/tree.texi: Ditto.
3524 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
3525 Jakub Jelinek <jakub@redhat.com>
3527 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
3528 (extract_cie_info): Handle "eh" augmentation properly,
3530 (struct frame_state, __frame_state_for): New.
3532 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3534 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
3535 HANDLE_SYSV_PRAGMA): Define.
3536 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
3538 (copy_object): Caller changed.
3540 2001-07-19 Andreas Schwab <schwab@suse.de>
3542 * configure.in (assembler dwarf2 debug_line support): Define nop
3544 * configure: Regenerated.
3546 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3548 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
3550 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
3551 to conditionally compiled block.
3552 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3553 * dbxout.h (dbxout_function): Remove.
3554 * debug.c (do_nothing_debug_hooks): Update.
3555 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
3556 global_decl, deferred_inline_function.
3557 * dwarf2out.c (dwarf2_debug_hooks): Update.
3558 (dwarf2out_global_decl): New.
3559 * dwarfout.c: Don't include dwarfout.h.
3560 (dwarfout_global_decl, dwarfout_function_decl,
3561 dwarfout_deferred_inline_function): New.
3562 (dwarf_debug_hooks): Update.
3563 * dwarfout.h: Remove.
3564 * final.c: Don't include dwarfout.h.
3565 * sdbout.c (sdbout_global_decl): New.
3566 (sdbout_debug_hooks): Update.
3567 * toplev.c: Don't include dwarfout.h.
3568 (check_global_declarations, rest_of_compilation): Use new debug hooks.
3569 (note_deferral_of_defined_inline_function): Remove.
3570 * toplev.h (note_deferral_of_defined_inline_function): Remove.
3571 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
3572 * ch/lex.c: Don't include dwarfout.h.
3573 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
3574 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
3575 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
3576 * cp/optimize.c: Include debug.h.
3577 (maybe_clone_body): Use debug hook.
3578 * cp/semantics.c: Include debug.h.
3579 (expand_body): Use debug hook.
3580 * po/POTFILES.in: Remove dwarfout.h.
3582 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
3584 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
3585 * c-parse.in (yyerror, _yylex): Similarly.
3586 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
3587 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
3589 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
3590 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
3592 2001-07-18 Jeff Sturm <jsturm@one-point.com>
3594 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
3595 in-class declaration at -g1. Fixes c++/2814.
3597 2001-07-18 Richard Henderson <rth@redhat.com>
3599 * doc/md.texi (reload_in/out): Document restrictions in predicates
3600 and constraints for these patterns. Document empty string matching
3603 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3605 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
3607 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3609 * cse.c: Undo my previous patch.
3611 2001-07-18 Tom Tromey <tromey@redhat.com>
3614 * configure: Rebuilt.
3615 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
3617 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
3619 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
3620 Jan Hubicka <jh@suse.cz>
3622 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
3623 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
3624 * jump.c (mark_jump_label): Do not forward branches.
3626 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
3628 * cse.c (delete_trivially_dead_insns): Delete the libcall block
3629 when return value is unused.
3631 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3633 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
3635 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
3637 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
3638 on error. We can't blindly return the result of
3639 pthread_mutex_trylock because it returns a positive number on
3640 error, while we must return -1 on error.
3641 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
3643 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
3645 2001-07-18 Andreas Jaeger <aj@suse.de>
3647 * integrate.c (output_inline_function): Correct type of debug_hooks.
3649 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
3651 * combine.c (combine_simplify_rtx): DIV can be treated
3652 associatively for floats if unsafe math optimisations are enabled.
3654 2001-07-17 Richard Henderson <rth@redhat.com>
3656 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
3658 2001-07-17 Richard Henderson <rth@redhat.com>
3660 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
3661 don't force the function address into a register.
3662 (expand_call, emit_library_call_value_1): Update callers.
3663 * builtins.c (expand_builtin_apply): Likewise.
3664 * expr.h (prepare_call_address): Update decl.
3666 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
3668 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
3670 * config/i386/chorus.h: Move up.
3671 * config/sparc/chorus.h: Likewise.
3672 * config/rs6000/chorus.h: Likewise.
3673 * config/chorus.h: Moved here.
3675 2001-07-17 Andreas Schwab <schwab@suse.de>
3677 * configure.in (assembler eh_frame optimization): Handle big
3679 * configure: Regenerated.
3681 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3683 * expr.c (epxand_expr): Convert divisions into multiplications by
3684 reciprocals if -ffast-math.
3686 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3688 * dbxout.c (dbxout_really_begin_function): Rename to
3689 dbxout_begin_function.
3690 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3691 (dbxout_begin_function): Remove.
3692 (dbxout_function): Update.
3693 (dbxout_source_line): Update prototype.
3694 * dbxout.h (dbxout_begin_function): Remove.
3695 * debug.c (do_nothing_debug_hooks): Update.
3696 (debug_nothing_tree): Update.
3697 (debug_nothing_charstar_rtx): Remove.
3698 * debug.h (union tree_node): Declare.
3699 (struct rtx_def): Remove.
3700 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3701 begin_function. Change source_line prototype.
3702 (debug_nothing_tree): New.
3703 (debug_nothing_charstar_rtx): Delete.
3704 (dwarf2out_begin_prologue): Moved from ...
3706 * dwarf2out.c (dwarf2_debug_hooks): Update.
3707 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3708 debug info, call dwarf2out_source_line.
3709 (dwarf2out_souce_line): Update prototype.
3710 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3711 Change prototype, make static.
3712 (dwarfout_source_line): Update prototype.
3713 (dwarf_debug_hooks): Update.
3714 * dwarfout.h (dwarfout_begin_function): Remove.
3715 * final.c (final_start_function, final_scan_insn): Use appropriate
3716 debug hooks, update to use notice_source_line.
3717 (output_source_line): Rename notice_source_line. Don't call the
3718 source_line debug hook.
3719 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3720 make static, update prototype.
3721 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3723 (sdbout_end_prologue): New.
3724 (sdbout_source_line): Update prototype.
3725 (sdbout_debug_hooks): Update.
3726 (sdbout_symbol): Remove unused var.
3727 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3729 * varasm.c: Include debug.h.
3730 (assemble_start_function): Use begin_function debug_hook.
3731 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3732 update with prototype.
3733 (xcoffout_source_line): Update prototype.
3734 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3736 (xcoffout_source_line): Update prototype.
3738 2001-07-17 Richard Henderson <rth@redhat.com>
3740 * c-typeck.c (build_binary_op): Do not shorten unsigned
3741 right shift after sign extension.
3743 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3745 * combine.c (combine_simplify_rtx): Attempt to simplify
3746 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3748 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3749 (simplify_binary_operation, simplify_unary_operation,
3750 simplify_relational_operation): Use it.
3752 * combine.c (combine_simplify_rtx): Don't do associative law
3753 on divisions; allow associative law on floats.
3755 2001-07-17 H.J. Lu <hjl@gnu.org>
3756 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3758 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3759 ASM_OUTPUT_WEAK_ALIAS are defined.
3760 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3761 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3763 * config/mips/iris5.h: ... here.
3764 (HANDLE_SYSV_PRAGMA): Defined as 1.
3765 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3766 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3769 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3771 * c-parse.in (all_prefix_attributes): New variable.
3772 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3773 (maybe_resetattrs): New production.
3774 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3775 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3776 notype_initdcl, nested_function, notype_nested_function,
3777 component_decl, components, components_notype,
3778 component_declarator, component_notype_declarator,
3779 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3780 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3781 after a comma being applied to more than one declarator.
3782 * doc/extend.texi (Attribute Syntax): Update. Remove
3783 documentation of bugs that are no longer present.
3785 2001-07-13 Eric Christopher <echristo@redhat.com>
3787 * config/mips/mips.h: Change TUNE_MIPS* options to use
3789 (EXTRA_SPECS): Add cc1_cpu_spec.
3790 * config/mips/mips.md (muldf3): Fix typo.
3792 2001-07-16 Richard Henderson <rth@redhat.com>
3794 * config/m68k/m68k.c: Include expr.h and reload.h.
3795 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3796 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3798 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3799 Richard Henderson <rth@redhat.com>
3801 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3802 (insn_live_p): Fix fall off end of function.
3803 (dead_libcall_p): Remove COUNTS argument; update callers.
3804 (delete_trivially_dead_insns): Remove unused variables.
3806 2001-07-17 Andreas Jaeger <aj@suse.de>
3808 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3811 * lcm.c (optimize_mode_switching): Avoid warning for unused
3812 variable if !NORMAL_MODE.
3814 * flow.c (try_crossjump_to_edge): Remove unused variable.
3816 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3818 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3819 atexit declaration in stdlib.h.
3821 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3823 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3825 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3827 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3828 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3829 do rebuild_jump_labels instead of jump_optimize
3830 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3831 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3832 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3834 * flow.c: Include timevar.h
3835 (find_basic_block): Push/pop timevar;
3836 (cleanup_cfg): Likewise.
3837 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3838 * Makefile: Add dependencies on timevar.h
3840 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3841 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3843 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3844 * toplev.c (rest_of_compilation): Update calls.
3845 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3846 (delete_trivially_dead_insns): ... here; accept new argument
3847 preserve_basic_blocks; preserve basic blocks if set.
3849 * reg-stack.c (stack_regs_mentioned): Return 0 if
3850 stack_regs_mentioned_data is not initialized.
3851 (reg_to_stack): Make stack_regs_mentioned survive after the
3852 reg-stack is completted; do not call cleanup_cfg.
3853 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3854 make cleanup_cfg after bb-reorder to output to debug file.
3856 2001-07-16 Richard Henderson <rth@redhat.com>
3858 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3859 from int_reg_class_contents.
3861 2001-07-16 Richard Henderson <rth@redhat.com>
3863 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3864 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3865 (init_reg_sets_1): Move initialization from cse_main.
3866 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3867 (cse_main): Move its initialization also.
3868 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3869 * flow.c (propagate_one_insn): Likewise.
3870 * gcse.c (compute_hash_table): Likewise.
3871 (compute_kill_rd, compute_store_table): Likewise.
3872 * sched-deps.c (sched_analyze_1): Likewise.
3874 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3876 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3879 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3881 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3882 in if statement so we don't access undefined memory.
3884 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3886 * gcse.c: Update comment at top.
3887 Update comment on mem handling.
3888 mem_last_set, mem_first_set, mem_set_in_block: gone.
3889 Declaration of reg_set_info: gone.
3890 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3891 pointless with load_killed_in_block_p (they are *more*
3892 conservative then it, not less, and less accurate).
3893 (oprs_not_set_p): Ditto.
3894 (alloc_gcse_mem): Don't allocate mem_set_in_block
3895 (free_gcse_mem): Don't free it, either.
3896 (record_last_mem_set_info): Update comment in front, remove
3897 mem_*set_* stuff. Note the reason we don't handle stores directly
3899 (compute_hash_table): Update comments to reflect reality. Remove
3900 mem_*set_* references.
3901 (reset_opr_set_tables): Remove mem_*set_* references.
3903 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3904 (mark_clobber): Ditto (on both parts, we double set here too).
3905 (expr_killed_p): Remove mem_set_in_block test.
3906 (compute_transp): Remove mem_set_in_block test.
3908 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3909 of edge, and removal of phi alternative to dump file.
3910 (ssa_ccp_substitute_constants): Add note about register now being
3911 constant, and which uses were replaced in what insns to dump file.
3913 2001-07-16 Andreas Jaeger <aj@suse.de>
3915 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3916 variables of type HOST_WIDEST_INT.
3918 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3919 (__bb_exit_func): Correct type of count_max to avoid overflow.
3920 (num_digits): Handle long long argument.
3922 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3924 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3926 * output.h (sdb_begin_function_line): Restore as an extern
3928 * sdbout.c (sdb_begin_function_line): Make extern.
3930 2001-07-15 Richard Henderson <rth@redhat.com>
3932 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3933 * genrecog.c (maybe_both_true_mode): New.
3934 (maybe_both_true_2): Use it.
3935 (write_switch): Don't put Pmode in a switch.
3936 * rtl.c (mode arrays): Don't explicitly size them.
3938 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3940 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3941 handling; move unconditional splitting before mode switching.
3943 * i386.md (type): Add fistp type.
3944 (i387, length_attr, scheduling definitions): Handle this type.
3945 (fix_trunc?f?i2): Revamp to use mode switching.
3946 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3947 * i386.h (fp_cw_mode): New enum
3948 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3949 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3951 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3953 * Makefile.in (integrate.o): Add debug.h.
3954 * integrate.c (debug.h): Add.
3955 (output_inline_function): Save, reset, and restore debug_hooks.
3957 2001-07-15 Richard Henderson <rth@redhat.com>
3959 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3960 instead of COMPARE for the EQUIV expression.
3962 2001-07-15 Richard Henderson <rth@redhat.com>
3964 * flow.c (redirect_edge_and_branch_force): Initialize
3965 global_live_at_start and global_live_at_end.
3966 (allocate_bb_life_data): Export.
3967 * basic-block.h (allocate_bb_life_data): Declare.
3968 * toplev.c (rest_of_compilation): Call it.
3970 2001-07-15 Richard Henderson <rth@redhat.com>
3972 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3973 (alpha_tablejump_best_label): New.
3974 * config/alpha/alpha-protos.h: Declare them.
3975 * config/alpha/alpha.md: Use braced strings for code blocks.
3976 (tablejump_osf): Break out add with r29.
3977 (tablejump_osf_internal): Remove.
3978 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3979 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3981 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3983 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3986 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3988 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3989 (ix86_fp_jump_nontrivial_p): New.
3990 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3991 use ix86_fp_jump_nontrivial_p.
3992 * i386.c (ix86_fp_jump_nontrivial_p): New.
3993 (ix86_split_fp_branch): Accept code instead of rtx.
3994 (ix86_expand_compare): Expand comparison early in case
3995 doing so is resonably cheap.
3997 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3999 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
4001 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
4002 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
4004 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
4006 * dbxout.c (dbxout_source_line): Make static, update prototype.
4007 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
4008 (dbxout_init, dbxout_finish, dbxout_source_line,
4009 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
4010 * dbxout.h (dbxout_source_line): Delete.
4011 * debug.c (debug_nothing_file, debug_nothing_file_int,
4012 debug_nothing_file_charstar_rtx): New.
4013 (do_nothing_debug_hooks): Update.
4014 (debug_nothing_void, debug_nothing_charstar_rtx,
4015 dwarf2out_end_epilogue): New.
4016 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4017 * debug.h (struct rtx_def): Declare.
4018 (gcc_debug_hooks): New hooks source_line, end_epilogue
4020 (debug_nothing_void, debug_nothing_charstar_rtx,
4021 dwarf2out_end_epilogue): New.
4022 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
4023 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
4024 (dwarf2_debug_hooks): Update.
4025 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
4026 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
4027 * dwarf2out.h (dwarf2out_source_line): Remove.
4028 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
4029 Make static, update prototype.
4030 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
4031 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
4032 (dwarf_debug_hooks): Update.
4033 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
4034 dwarfout_end_function): Remove.
4035 * final.c (profile_function): Use debug hooks for ending functions
4037 (output_source_line, final_end_function): Update prototype,
4039 (final_start_function, final_scan_insn): Update.
4040 * output.h (sdb_begin_function_line): Remove.
4041 (final_end_function): Update prototype.
4042 * sdbout.c (sdb_begin_function_line): Make static.
4043 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
4044 (sdbout_source_line): New.
4045 (sdbout_end_epilogue, sdbout_end_function): Make static, update
4047 (sdb_debug_hooks): Update.
4048 (sdbout_init, sdbout_source_line,
4049 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
4050 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
4051 * toplev.c (compile_file, rest_of_compilation): Update.
4052 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
4053 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
4054 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
4055 Update for prototype changes.
4056 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
4057 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
4059 2001-07-15 Richard Henderson <rth@redhat.com>
4061 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
4062 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
4063 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
4064 * config/alpha/alpha.c: Likewise.
4065 * config/alpha/alpha.md: Likewise.
4066 * config/alpha/alpha32.h: Likewise.
4067 * config/alpha/vms.h: Likewise.
4070 2001-07-14 Richard Henderson <rth@redhat.com>
4072 * config/alpha/alpha.md: Use define_constants for unspec values.
4073 Substitute throughout.
4075 2001-07-14 Tim Josling <tej@melbpc.org.au>
4077 * tree.def (EXPON_EXPR) remove. Never supported anyway.
4079 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
4081 * pa.md: Remove unused constraints from define_split's.
4083 2001-04-14 Richard Henderson <rth@redhat.com>
4085 * ifcvt.c (find_cond_trap): Test for exit block.
4087 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
4089 Re-install recently reverted patch.
4090 * emit-rtl.c (try_split): Update mark_jump_label call.
4091 * flow.c (find_sub_basic_blocks): Likewise.
4092 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4094 (mark_all_labels): Kill second parameter.
4095 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4096 (rebuild_jump_labels, jump_optimize_minimal): Update call
4098 (jump_optimize_1): Kill crossjumping code.
4099 (mark_jump_label): Kill cross_jump parameter.
4100 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4101 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4102 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4104 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4106 (dump_file_info): Likewise.
4107 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4108 reorganize passes to do reg-stack first, bb-reorder second.
4109 * invoke.texi (-d letters doc): Remove the jump2 pass.
4111 2001-07-14 Richard Henderson <rth@redhat.com>
4113 * ifcvt.c (find_cond_trap): New.
4114 (find_if_header): Call it.
4115 (merge_if_block): Relax existing jump sanity check.
4116 * jump.c (jump_optimize_1): Remove conditional trap handling.
4118 2001-07-14 Alan Modra <amodra@bigpond.net.au>
4120 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
4122 (insn_refs_are_delayed): Correct comment.
4123 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
4124 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
4125 instead of r31. Make associated insn !TARGET_64BIT, and
4126 provide an additional 64-bit insn that clobbers r2.
4128 (udivsi3): Likewise.
4130 (umodsi3): Likewise.
4132 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
4134 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
4136 * flow.c (redirect_edge_and_branch_force, split_edge,
4137 try_crossjump_to_edge): Use set_block_for_new_insns.
4138 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
4140 2001-07-13 H.J. Lu (hjl@gnu.org)
4142 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
4145 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
4147 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
4149 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
4151 * c-common.c (decl_attributes): Take a pointer to the node to
4152 which attributes are to be attached, and a flags argument.
4153 * c-common.h (enum attribute_flags): New.
4154 (decl_attributes): Update prototype.
4155 * c-decl.c (start_decl, push_parm_decl, finish_struct,
4156 finish_enum, start_function): Update calls to decl_attributes.
4157 * c-parse.in (component_declarator, component_notype_declarator,
4158 label): Update calls to decl_attributes.
4160 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
4162 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
4163 * config/avr/avr.c (legitimate_address_p): Return value changed
4164 from letter to register classes. For better debugging.
4166 2001-07-13 Kazu Hirata <kazu@hxi.com>
4168 * jump.c (reversed_comparison_code_parts): Fix comment typos.
4170 2001-07-13 H.J. Lu (hjl@gnu.org)
4172 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
4174 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
4176 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
4177 correctly for shared configurations.
4178 * config/t-libgcc-pic: New.
4179 * config/{i386,m68k,sparc}/t-openbsd: New.
4180 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
4181 Support -shared. Support debugging libraries with -g.
4182 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
4183 frame information does not emit pointer diffs.
4184 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
4187 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
4189 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
4191 2001-07-13 David Edelsohn <edelsohn@gnu.org>
4193 * combine.c (try_combine): Ensure const_int pow2 is positive.
4195 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
4197 * config.gcc: Add configuration for s/390.
4198 * config/s390/s390.c: New. Subroutines for code generation.
4199 * config/s390/s390.h: New. Definitions for s/390.
4200 * config/s390/s390-protos.h: New. Prototypes.
4201 * config/s390/linux.h: New. Definitions for linux for s/390.
4202 * config/s390/linux64.h: New. Definitions for linux for zSeries.
4203 * config/s390/t-linux: New. Makefile fragment.
4204 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
4205 * config/s390/fixdfdi.h: New. Fix L_fix*di.
4207 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4209 * emit-rtl.c (try_split): Update mark_jump_label call.
4210 * flow.c (find_sub_basic_blocks): Likewise.
4211 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
4213 (mark_all_labels): Kill second parameter.
4214 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
4215 (rebuild_jump_labels, jump_optimize_minimal): Update call
4217 (jump_optimize_1): Kill crossjumping code.
4218 (mark_jump_label): Kill cross_jump parameter.
4219 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
4220 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
4221 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
4223 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
4225 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
4226 reorganize passes to do reg-stack first, bb-reorder second.
4227 * invoke.texi (-d letters doc): Remove the jump2 pass.
4229 2001-07-12 Steve Ellcey <sje@cup.hp.com>
4231 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
4233 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4235 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
4237 (verify_flow_info): Make diagnostics prettier.
4239 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4241 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
4243 * flow.c (outgoing_edges_match): Return early if condition reversal
4246 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
4248 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
4249 (mips_move_2words): When splitting a move into two instructions,
4250 prefix the second address operand with '%D'.
4252 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
4254 * Makefile.in (final.o): Depend on debug.h.
4255 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
4256 (dbx_debug_hooks): Add new hooks.
4257 (xcoff_debug_hooks): New.
4258 * debug.c (debug_nothing_file_int_int): New.
4259 (do_nothing_debug_hooks): Update.
4260 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
4261 (debug_nothing_file_int_int): New.
4262 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
4263 static, update prototype.
4264 (dwarf2_debug_hooks): Update.
4265 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
4266 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
4267 static, update prototype.
4268 (dwarf_debug_hooks): Update.
4269 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
4270 * final.c: Include debug.h.
4271 (final_scan_insn): Use debug hooks when beginning and ending blocks.
4272 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
4273 static, update prototype.
4274 (sdb_debug_hooks): Update.
4275 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
4276 * toplev.c: Distinguish between xcoff and dbx.
4278 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
4279 Call all debug hooks, not just dwarf ones.
4281 2001-07-11 Timothy Wall <twall@redhat.com>
4283 * config.gcc: Add configuration for AIX5/IA64.
4284 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
4285 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
4286 support prefix/suffix code.
4287 * config/ia64/t-aix: New. Makefile fragment.
4288 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
4290 2001-07-11 Kazu Hirata <kazu@hxi.com>
4292 * recog.c (validate_change): Fix a comment typo.
4294 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
4296 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
4297 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
4299 * dbxout.c (dbx_debug_hooks): Add new hooks.
4300 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
4302 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
4304 * dbxout.h (dbxout_start_new_source_file,
4305 dbxout_resume_previous_source_file): Delete.
4306 * debug.c (do_nothing_debug_hooks): Add new hooks.
4307 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4308 (debug_nothing_int_charstar, debug_nothing_int): New.
4309 * debug.h (gcc_debug_hooks): New hooks define, undef,
4310 start_source_file and end_source_file.
4311 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
4312 (debug_nothing_int_charstar, debug_nothing_int): New.
4313 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
4314 the conditionally compiled section.
4315 (dwarf2out_start_source_file, dwarf2out_end_source_file,
4316 dwarf2out_define, dwarf2out_undef): Make static.
4317 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
4318 dwarf2out_define, dwarf2out_undef): Remove.
4319 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
4320 (dwarfout_start_source_file, dwarfout_end_source_file,
4321 dwarfout_define, dwarfout_undef): Make static.
4322 (dwarfout_start_source_file_check,
4323 dwarfout_end_source_file_check): New.
4324 (dwarfout_define, dwarfout_finish): Update.
4325 * dwarfout.h (dwarfout_start_new_source_file,
4326 dwarfout_resume_previous_source_file, dwarfout_define,
4327 dwarfout_undef): Remove.
4328 * sdbout.c (sdb_debug_hooks): Add new hooks.
4329 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
4331 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
4332 make static, take an arg.
4333 * sdbout.h (sdbout_start_new_source_file,
4334 sdbout_resume_previous_source_file): Delete.
4335 * toplev.c (debug_start_source_file, debug_end_source_file,
4336 debug_define, debug_undef): Delete.
4337 * toplev.h (debug_start_source_file, debug_end_source_file,
4338 debug_define, debug_undef): Delete.
4340 * java/jcf-parse.c: Include debug.h.
4341 (parse_class_file): Update to use debug hooks directly.
4342 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
4344 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4346 * alias.c (set_mem_alias_set): New function.
4347 * rtl.h (set_mem_alias_set): Declare it.
4348 * builtins.c (expand_builtin_return_addr): Call it instead of
4349 using MEM_ALIAS_SET accessor.
4350 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
4351 (get_memory_rtx, expand_builtin_va_arg): Likewise.
4352 (expand_builtin_va_copy):Likewise.
4353 * caller-save.c (setup_save_areas): Likewise.
4354 * calls.c (compute_argument_addresses): Likewise.
4355 * explow.c (set_mem_attributes): Likewise.
4356 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
4357 (expand_assignment, store_constructor_field, store_field): Likewise.
4358 (expand_expr_unaligned): Likewise.
4359 * function.c (assign_stack_temp_for_type): Likewise.
4360 (put_reg_into_stack, gen_mem_addressof): Likewise.
4361 * ifcvt.c (noce_try_cmove_arith): Likewise.
4362 * reload1.c (reload, alter_reg): Likewise.
4363 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4364 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
4365 (alpha_expand_unaligned_store): Likewise
4366 (alpha_expand_unaligned_load_words): Likewise.
4367 (alpha_expand_unaligned_store_words): Likewise.
4368 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
4369 (alpha_expand_epilogue): Likewise.
4370 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
4371 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
4372 * config/i386/i386.c (legitimize_pic_address): Likewise.
4373 * config/i960/i960.c (setup_incoming_varargs): Likewise.
4374 * config/ia64/ia64.c (spill_restore_mem): Likewise.
4375 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
4376 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
4377 * config/mips/mips.c (mips_va_arg): Likewise.
4378 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
4379 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
4380 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
4381 (setup_incoming_varargs, rs6000_va_arg): Likewise.
4382 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
4383 (rs6000_emit_epilogue): Likewise.
4384 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
4385 * config/sparc/sparc.c (sparc_va_arg): Likewise.
4386 * config/v850/v850.c (v850_va_arg): Likewise.
4388 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
4390 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
4391 when fallthru edge is present.
4392 (mege_blocks): Handle case where creation of jump insn
4395 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
4396 CLEANUP_POST_REGSTACK): New constants.
4397 * except.c (finish_eh_generation): Update call of cleanup_cfg,
4398 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
4399 * output.h (cleanup_cfg): Update prototype.
4400 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
4401 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
4402 cleanup_cfg call; kill missleading comment.
4403 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
4404 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
4405 parameter; control optimizations performed using it.
4406 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
4407 try_crossjump_bb): New functions.
4409 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4411 * pa.c (pa_output_function_prologue): Delete prototype. Make function
4413 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
4414 pa_output_function_prologue.
4415 * pa-protos.h (pa_output_function_prologue): New prototype.
4417 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
4419 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
4420 and low to get correct sign extension in low+high test.
4422 2001-07-11 Janis Johnson <janis@us.ibm.com>
4424 * gcov.c (arcdata): Use gcov_type to fix branch percentage
4425 for large hit count.
4427 * profile.c (branch_prob): Fix .bbg info for computed gotos
4430 2001-07-11 Mark Mitchell <mark@codesourcery.com>
4432 * stmt.c (parse_output_constraint): New function, split out
4434 (expand_asm_operands): ... here. Use parse_output_constraint.
4435 * tree.h (parse_output_constraint): Declare it.
4437 2001-07-11 Richard Henderson <rth@redhat.com>
4439 * bitmap.c: Comment some functions; fiddle whitespace.
4440 (bitmap_free): Don't export.
4441 (bitmap_element_allocate): Use memset.
4442 * bitmap.h (bitmap_free): Don't declare.
4444 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
4446 * gcse.c, lcm.c, sched-deps.c:
4447 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
4449 * flow.c (flow_loops_find): Free dom if we found no loops, since
4450 we aren't going to save it.
4452 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
4455 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
4457 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
4459 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
4462 #ifndef DWARF2_DEBUGGING_INFO.
4464 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4466 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
4468 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4470 * config/mips/mips.c (gen_int_relational): Tell the caller not to
4471 reverse a branch if a NE comparison is implemented with GTU.
4473 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
4474 H.J. Lu <hjl@gnu.org>
4476 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
4478 (call_internal2): Likewise.
4479 (call_value_internal1): Likewise.
4480 (call_value_internal2): Likewise.
4481 (call_value_multiple_internal1): Likewise.
4482 (call_value_multiple_internal2): Likewise.
4484 2001-07-10 Kazu Hirata <kazu@hxi.com>
4486 * calls.c (emit_library_call_value_1): Fix a comment typo.
4487 * dwarf2out.c (mem_loc_descriptor): Likewise.
4488 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
4490 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
4492 * simplify-rtx.c (simplify_subreg): Fix typo in comment
4494 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4496 * recog.c (offsettable_address_p): Handle LO_SUM case.
4497 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
4498 instead of plus_constant.
4500 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4502 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
4503 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
4505 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4507 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
4508 adjust_address_nv instead of plus_constant.
4510 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
4512 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
4513 dwarf2out.o): Depend on debug.h, wrap long lines.
4514 * dbxout.c: Include debug.h.
4515 (dbx_debug_hooks): New.
4516 (dbxout_init): Make static, take just 2 args.
4517 (dbxout_finish): Make static.
4518 * dbxout.h (dbxout_init, dbxout_finish): Delete.
4519 * debug.c: New file.
4520 * debug.h: New file.
4521 * dwarf2out.c: Include debug.h.
4522 (dwarf2_debug_hooks): New.
4523 (dwarf2out_init): Make static.
4524 (dwarf2out_finish): Make static, take 2 args.
4525 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
4526 * dwarfout.c: Include debug.h.
4527 (dwarf_debug_hooks): New.
4528 (dwarfout_init): Make static.
4529 (dwarfout_finish): Make static, take 2 args.
4530 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
4531 * sdbout.c: Include debug.h.
4532 (sdb_debug_hooks): New.
4533 (sdbout_init): Make static, take 2 args.
4534 * sdbout.h (sdbout_init): Delete.
4535 * toplev.c: Include debug.h.
4537 (compile_file): Set deubg_hooks based on command line options.
4538 Use the hooks unconditionally rather than conditional compilation.
4540 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
4542 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
4543 first_insn_after_basic_block_note instead.
4545 * df.c (df_bb_refs_unlink): #if 0 out for now.
4547 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
4549 * ssa.h: Add prototype for ssa_const_prop
4550 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
4551 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
4552 (ssa_fast_dce): Remove unused variable
4554 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4556 * diagnostic.c (finish_diagnostic): Rename to
4557 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
4560 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
4562 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
4565 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
4566 (dump_file): Only pad the demangled name with spaces if the
4567 mangled name was padded with spaces.
4569 2001-07-10 Bernd Schmidt <bernds@redhat.com>
4571 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
4574 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4576 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
4577 extraction if no direct load if either EXPAND_CONST_ADDRESS or
4580 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
4581 whether can put offset inside LO_SUM to check mode alignment, not size.
4583 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4585 * doc/tm.texi (Misc): Fix thinko.
4587 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
4589 * regmove.c (replace_in_call_usage): Fix warnings.
4590 * sched-deps.c (add_dependence): Fix warnings.
4591 * simplify-rtx.c (simplify_subreg): Likewise.
4592 Return NULL_RTX instead of NULL.
4594 * reg-stack.c (emit_swap_insn): Eliminate warnings.
4595 (subst_asm_stack_regs): Likewise.
4597 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
4600 * dwarf2out.c (output_call_frame_info): Declare i as int.
4601 (build_abbrev_table): Declare n_alloc as int.
4602 (dwarf2out_finish): Initialize die.
4603 * except.c: Declare sjlj_funcdef_number as unsigned.
4604 (connect_post_landing_pads): Declare j as unsigned.
4605 (convert_to_eh_region_ranges): Initialize call_site.
4606 (output_function_exception_table): Initialize tt_format_size.
4607 * expr.c (move_by_pieces_1): Initialize to1.
4608 (store_constructor): Initialize minelt and maxelt.
4609 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
4610 * function.c (instantiate_decls): Avoid signed/unsigned warning.
4612 * c-decl.c (combine_parm_decls): Unused, remove.
4613 * c-tree.h: Remove prototype for combine_parm_decls.
4615 * reload.c (push_reload): Fix warning.
4616 (regno_clobbered_p): Likewise.
4617 * reload1.c (replace_pseudos_in_call_usage): Likewise.
4618 (reload_combine): Likewise.
4620 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
4621 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
4623 * bitmap.c (bitmap_operation): Change user.
4624 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
4626 2001-07-10 Eric Christopher <echristo@redhat.com>
4628 * config/mips/mips.c (override_options): Fix typo.
4630 2001-07-09 Stan Shebs <shebs@apple.com>
4632 * target.h (struct gcc_target): New fields init_builtins and
4634 * target-def.h (TARGET_INIT_BUILTINS): New macro.
4635 (TARGET_EXPAND_BUILTIN): New macro.
4636 (TARGET_INITIALIZER): Add them.
4637 * builtins.c: Include target.h.
4638 (expand_builtin): Use targetm.expand_builtin.
4639 (default_init_builtins): New function.
4640 (default_expand_builtin): New function.
4641 * expr.h (default_init_builtins): Declare.
4642 (default_expand_builtin): Declare.
4643 * c-common.c (c_common_nodes_and_builtins): Use
4644 targetm.init_builtins.
4645 * defaults.h (MD_INIT_BUILTINS): Remove.
4646 * Makefile.in (builtins.o): Depend on target.h.
4648 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
4649 (TARGET_EXPAND_BUILTIN): Define.
4650 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
4651 (MD_EXPAND_BUILTIN): Remove.
4653 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
4654 (TARGET_EXPAND_BUILTIN): Define.
4655 (c4x_init_builtins): Make endlink arg a local.
4656 (c4x_print_operand): Fix typos in adjust_address usages.
4657 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
4658 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
4659 (MD_EXPAND_BUILTIN): Remove.
4661 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
4662 (TARGET_EXPAND_BUILTIN): Define.
4663 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
4664 (ix86_init_builtins): Call new function only if TARGET_MMX.
4665 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
4666 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
4667 (MD_EXPAND_BUILTIN): Remove.
4669 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
4670 (TARGET_EXPAND_BUILTIN): Define.
4671 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
4672 (MD_EXPAND_BUILTIN): Remove.
4674 * doc/tm.texi: Document these changes.
4676 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4678 * basic-block.h (tree_node): Forward declare if needed.
4679 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4680 (BLOCK_HEAD_TREE): Define.
4681 (BLOCK_END_TREE): Define.
4682 (struct loops): Rename field 'tree' to 'tree_root'.
4683 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4685 (flow_loops_tree_build): Rename reference to field 'tree' to
4687 (flow_loops_level_compute): Ditto.
4688 * predict.c (estimate_bb_frequencies): Ditto.
4689 * tree.h (struct tree_common): Add field 'aux'.
4691 2001-07-09 Stan Shebs <shebs@apple.com>
4693 * config/darwin.c (darwin_encode_section_info): Don't mark any
4694 DECL_EXTERNAL node as defined.
4696 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4698 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4699 pa_free_machine_status, hppa_init_pic_save): Delete.
4700 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4701 (hppa_profile_hook): Use hppa_pic_save_rtx.
4702 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4703 hppa_init_pic_save): Delete.
4704 (hppa_pic_save_rtx): Declare.
4705 * pa.md (call, call_value, sibcall, sibcall_value,
4706 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4708 2001-07-09 Kazu Hirata <kazu@hxi.com>
4710 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4711 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4713 2001-07-09 Andreas Jaeger <aj@suse.de>
4715 * output.h: Add declaration of final_forward_branch_p.
4717 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4719 * varray.c: Include errors.h for internal_error and trim_filename
4722 * Makefile.in (varray.o): Add errors.h.
4724 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4726 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4727 * optabs.c (have_add2_insn): Check whether the add insn chosen
4728 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4729 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4731 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4733 * Makefile.in (OBJS): Add ssa-ccp.o
4734 (ssa-ccp.o): Add dependencies.
4735 * toplev.c (DFI_ssa_ccp): New dump file enum.
4736 (dump_file): Add entry for dumping after SSA CCP.
4737 (flag_ssa_ccp): New flag variable.
4738 (f_options): Add -fssa-ccp.
4739 (rest_of_compilation): Run SSA CCP if requested.
4740 * timevar.def (TV_SSA_CCP): New timevar.
4741 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4742 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4743 Fix minor typo in SSA DCE documentation.
4744 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4745 Add documentation for new dump option. Renumber dump files
4748 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4750 * emit-rtl.c (gen_highpart_mode): New.
4751 * rtl.h (gen_highpart_mode): Declare.
4752 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4753 operand can be VOIDmode constant.
4755 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4757 * flow.c (redirect_edge_and_branch_force): New.
4758 (can_fallthru): Ensure that basic blocks are succeeding.
4759 (try_optimize_cfg): Do not delete basic block if it is the last one.
4761 * flow.c (try_redirect_by_replacing_jump): Do not remove
4762 jumps with side effects, unlink chain on fallthru edge;
4763 set block for new jump instruction; avoid basic block to
4764 over by line number note.
4766 * flow.c (try_simplify_condjump): Verify that the condjump
4767 is not always falling trought.
4770 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4772 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4773 (try_redirect_by_replacing_jump): Update properly the count
4774 and frequency information.
4776 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4778 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4779 address that is a LO_SUM specially.
4780 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4782 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4784 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4785 (operand_subword): Use them.
4786 (change_address_1): Renamed from change_address; new arg VALIDATE.
4787 * expr.h: Reflect above changes; change_address now macro.
4788 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4790 * cselib.c (add_mem_for_addr): Likewise.
4791 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4792 * regmove.c (try_apply_stack_adjustment): Likewise.
4793 * reload.c (push_reload, make_memloc): Likewise.
4794 * reload1.c (eliminate_regs): Likewise.
4795 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4796 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4798 * combine.c (make_extraction, simplify_shift_const): Likewise.
4799 (gen_lowpart_for_combine): Likewise.
4800 * cse.c (gen_lowpart_if_possible): Likewise.
4801 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4802 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4803 * optabs.c (gen_move_insn): Likewise.
4804 * reload1.c (alter_reg): Likewise.
4805 * simplify-rtx.c (simplify_subreg): Likewise.
4806 * stmt.c (expand_anon_union_decl): Likewise.
4807 * recog.c (validate_replace_rtx_1): Likewise.
4809 * Makefile.in (recog.o): Add $(EXPR_H).
4810 * explow.c (stabilize): Call replace_equiv_address.
4811 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4812 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4814 2001-07-03 Andrew Haley <aph@redhat.com>
4816 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4817 the mode of the memory location.
4819 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4821 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4823 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4825 * final.c (output_addr_const): Use target opening and
4826 closing parentheses.
4827 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4828 defaults, add to TARGET_ASM_OUT.
4829 * target.h (struct gcc_target): Add open_paren and close_paren.
4830 * doc/md.texi: Update.
4831 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4832 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4833 TARGET_ASM_CLOSE_PAREN.
4834 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4836 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4838 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4839 * config/a29k/a29k.h: Similarly.
4840 * config/alpha/alpha.h: Similarly.
4841 * config/arc/arc.h: Similarly.
4842 * config/arm/aof.h: Similarly.
4843 * config/arm/aout.h: Similarly.
4844 * config/avr/avr.h: Similarly.
4845 * config/c4x/c4x.h: Similarly.
4846 * config/clipper/clipper.h: Similarly.
4847 * config/convex/convex.h: Similarly.
4848 * config/d30v/d30v.h: Similarly.
4849 * config/dsp16xx/dsp16xx.h: Similarly.
4850 * config/elxsi/elxsi.h: Similarly.
4851 * config/fr30/fr30.h: Similarly.
4852 * config/h8300/h8300.h: Similarly.
4853 * config/i370/i370.h: Similarly.
4854 * config/i386/i386.h: Similarly.
4855 * config/i860/i860.h: Similarly.
4856 * config/i960/i960.h: Similarly.
4857 * config/ia64/ia64.h: Similarly.
4858 * config/m32r/m32r.h: Similarly.
4859 * config/m68hc11/m68hc11.h: Similarly.
4860 * config/m68k/m68k.h: Similarly.
4861 * config/m88k/m88k.h: Similarly.
4862 * config/mcore/mcore.h: Similarly.
4863 * config/mips/mips.h: Similarly.
4864 * config/mn10200/mn10200.h: Similarly.
4865 * config/mn10300/mn10300.h: Similarly.
4866 * config/ns32k/ns32k.h: Similarly.
4867 * config/pa/pa.h: Similarly.
4868 * config/pdp11/pdp11.h: Similarly.
4869 * config/pj/pj.h: Similarly.
4870 * config/romp/romp.h: Similarly.
4871 * config/rs6000/rs6000.h: Similarly.
4872 * config/sh/sh.h: Similarly.
4873 * config/sparc/sparc.h: Similarly.
4874 * config/v850/v850.h: Similarly.
4875 * config/vax/vax.h: Similarly.
4876 * config/we32k/we32k.h: Similarly.
4878 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4880 * doc/c-tree.texi: Document representation of attributes.
4882 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4884 * doc/tm.texi: Update some places for the rename of target to
4887 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4889 * target.h (struct gcc_target): Add insert_attributes.
4890 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4891 (TARGET_INITIALIZER): Update.
4892 * tree.c, tree.h (default_insert_attributes): New function.
4893 Update comments on other default functions to refer to targetm,
4895 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4896 TARGET_INSERT_ATTRIBUTES.
4897 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4898 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4899 Don't use PRAGMA_INSERT_ATTRIBUTES.
4900 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4901 * c-decl.c (start_decl, start_function): Don't call
4902 SET_DEFAULT_DECL_ATTRIBUTES.
4903 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4904 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4906 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4907 (c4x_check_attribute): Avoid modifying attribute list itself.
4908 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4910 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4911 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4913 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4914 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4916 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4917 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4919 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4920 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4921 Adjust parameters. Make static.
4923 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4925 * c-common.c (decl_attributes): Only take a single attributes
4927 * c-common.h (decl_attributes): Update prototype.
4928 * c-decl.c (start_decl, start_function): Only take a single
4929 attributes parameter. Update calls to decl_attributes.
4930 (finish_struct, finish_enum): Update calls to decl_attributes.
4931 (push_parm_decl): Expect unified list of attributes. Update call
4933 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4934 notype_nested_function, component_declarator,
4935 component_notype_declarator, label): Update calls to
4937 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4938 lists that are passed to push_parm_decl.
4939 * c-tree.h (start_function, start_decl): Update prototypes.
4940 * config/sh/sh-protos.h, config/sh/sh.c
4941 (sh_pragma_insert_attributes): Only take a single attributes
4943 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4944 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4945 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4946 build_module_descriptor, generate_static_references,
4947 generate_strings, build_selector_translation_table,
4948 generate_descriptor_table, generate_protocols,
4949 generate_ivars_list, generate_dispatch_table,
4950 generate_protocol_list, generate_category,
4951 generate_shared_structures, really_start_method, add_objc_decls,
4952 generate_classref_translation_entry): Update calls to start_decl
4954 (build_tmp_function_decl, start_method_def): Unify attribute lists
4955 that are passed to push_parm_decl.
4957 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4959 * final.c (no_asm_to_stream): New.
4960 (final_scan_insn): Use target structures for prologue ends
4961 and epilogue starts.
4962 * output.h (no_asm_to_stream): New.
4963 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4964 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4965 (TARGET_ASM_OUT): Update.
4966 * target.h (struct gcc_target): New members function_end_prologue
4967 and function_begin_epilogue.
4968 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4969 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4970 * config/alpha/alpha.c (output_end_prologue): Rename to
4971 alpha_output_function_end_prologue. Use in target struct
4973 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4974 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4975 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4976 ia64_output_function_end_prologue. Use in target struct
4978 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4979 mistyped prototypes.
4980 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4981 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4983 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4984 an use in target struct, make static.
4985 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4988 2001-07-08 Richard Henderson <rth@redhat.com>
4990 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4992 2001-07-08 Richard Henderson <rth@redhat.com>
4994 * config/i386/i386.md: Remove constraints strings from define_split
4995 and define_peephole2 patterns.
4996 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4997 (eh_return): Use them.
4999 2001-07-08 Richard Henderson <rth@redhat.com>
5001 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
5002 Document MD_FALLBACK_FRAME_STATE_FOR.
5004 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5006 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
5007 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
5009 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
5011 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
5013 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
5014 of the label inside NAME as opposed to just the end of NAME.
5016 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
5018 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
5019 * config/alpha/alpha.c (alpha_init_machine_status,
5020 alpha_mark_machine_status, alpha_free_machine_status): Delete.
5021 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
5022 (vms_valid_decl_attribute_p): Make static, conditionally compile.
5023 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
5025 2001-07-06 Stan Shebs <shebs@apple.com>
5027 * target.h (targetm): Rename global from "target", so as not to
5028 conflict with local variables.
5030 * c-typeck.c: Ditto.
5034 * cp/decl2.c: Ditto.
5035 * cp/typeck.c: Ditto.
5036 * 1750a/1750a.c: Ditto.
5037 * a29k/a29k.c: Ditto.
5041 * clipper/clipper.c: Ditto.
5042 * convex/convex.c: Ditto.
5043 * d30v/d30v.c: Ditto.
5044 * dsp16xx/dsp16xx.c: Ditto.
5045 * elxsi/elxsi.c: Ditto.
5046 * fr30/fr30.c: Ditto.
5047 * h8300/h8300.c: Ditto.
5048 * i370/i370.c: Ditto.
5049 * i386/i386.c: Ditto.
5050 * i860/i860.c: Ditto.
5051 * i960/i960.c: Ditto.
5052 * ia64/ia64.c: Ditto.
5053 * m32r/m32r.c: Ditto.
5054 * m68hc11/m68hc11.c: Ditto.
5055 * m68k/m68k.c: Ditto.
5056 * m88k/m88k.c: Ditto.
5057 * mips/mips.c: Ditto.
5058 * ns32k/ns32k.c: Ditto.
5060 * pdp11/pdp11.c: Ditto.
5061 * romp/romp.c: Ditto.
5062 * rs6000/rs6000.c: Ditto.
5064 * sparc/sparc.c: Ditto.
5066 * we32k/we32k.c: Ditto.
5067 * doc/tm.texi: Update the manual to match.
5069 2001-07-06 Richard Henderson <rth@redhat.com>
5071 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
5072 DWARF2_UNWIND_INFO not just whether it is defined.
5074 2001-07-06 Diego Novillo <dnovillo@redhat.com>
5076 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
5077 call to simplify_binary_operation returns a new pattern.
5079 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
5081 * glimits.h (__SHRT_MAX__): New.
5082 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
5083 (SHRT_MAX): Define in terms of __SHRT_MAX__.
5085 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
5087 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
5090 2001-07-06 Richard Henderson <rth@redhat.com>
5092 * bitmap.c (bitmap_release_memory): Move adjacent to the
5093 allocation functions.
5094 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
5095 the implementation. Binary search for the set bit.
5096 (bitmap_union_of_diff): Allocate the temporary on the stack
5097 instead of using xmalloc.
5099 2001-07-06 Richard Henderson <rth@redhat.com>
5101 * genrecog.c (validate_pattern): Warn for constraints in
5102 define_{expand,split,peephole2}. Remove strict_low_part
5103 before looking up match_dup.
5105 2001-07-06 DJ Delorie <dj@redhat.com>
5107 * doc/gcc.texi (Makefile): Rename to be a more general purpose
5108 chapter about various build hints and history. Add section
5109 talking about the various types of native and cross builds.
5111 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
5113 * Makefile.in (final.o): Depend on target.h.
5114 * final.c: Include target.h.
5115 (default_function_pro_epilogue): New.
5116 (final_start_function): Use target structure for function prologues.
5117 (final_end_function): Use target structure for function epilogues.
5118 * fold-const.c (real_hex_to_f): Constify s and p.
5119 * output.h (default_function_pro_epilogue): New.
5120 * real.h (real_hex_to_f): Update prototype.
5121 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
5122 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
5123 (TARGET_INITIALIZER): Update.
5124 * target.h (gcc_target): Add struct asm_out.
5125 * doc/tm.texi: Update.
5128 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
5129 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
5130 in cpu/cpu.c, or rename old functions consistently. Take
5131 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
5132 redundant macros and prototypes. Make new functions static.
5134 * 1750a/1750a.c: Similarly.
5135 * 1750a/1750a.h: Similarly.
5136 * a29k/a29k-protos.h: Similarly.
5137 * a29k/a29k.c: Similarly.
5138 * a29k/a29k.h: Similarly.
5139 * arc/arc-protos.h: Similarly.
5140 * arc/arc.c: Similarly.
5141 * arc/arc.h: Similarly.
5142 * arm/arm-protos.h: Similarly.
5143 * arm/arm.c: Similarly.
5144 * arm/arm.h: Similarly.
5145 * avr/avr-protos.h: Similarly.
5146 * avr/avr.c: Similarly.
5147 * avr/avr.h: Similarly.
5148 * clipper/clipper-protos.h: Similarly.
5149 * clipper/clipper.c: Similarly.
5150 * clipper/clipper.h: Similarly.
5151 * convex/convex.c: Similarly.
5152 * convex/convex.h: Similarly.
5153 * d30v/d30v-protos.h: Similarly.
5154 * d30v/d30v.c: Similarly.
5155 * d30v/d30v.h: Similarly.
5156 * d30v/d30v.md: Similarly.
5157 * dsp16xx/dsp16xx-protos.h: Similarly.
5158 * dsp16xx/dsp16xx.c: Similarly.
5159 * dsp16xx/dsp16xx.h: Similarly.
5160 * elxsi/elxsi.c: Similarly.
5161 * elxsi/elxsi.h: Similarly.
5162 * fr30/fr30.c: Similarly.
5163 * fr30/fr30.md: Similarly.
5164 * h8300/h8300-protos.h: Similarly.
5165 * h8300/h8300.c: Similarly.
5166 * h8300/h8300.h: Similarly.
5167 * i370/i370-protos.h: Similarly.
5168 * i370/i370.c: Similarly.
5169 * i370/i370.h: Similarly.
5170 * i386/i386.c: Similarly.
5171 * i386/osf1elf.h: Similarly.
5172 * i386/osfrose.h: Similarly.
5173 * i860/i860-protos.h: Similarly.
5174 * i860/i860.c: Similarly.
5175 * i860/i860.h: Similarly.
5176 * i960/i960-protos.h: Similarly.
5177 * i960/i960.c: Similarly.
5178 * i960/i960.h: Similarly.
5179 * ia64/ia64-protos.h: Similarly.
5180 * ia64/ia64.c: Similarly.
5181 * ia64/ia64.h: Similarly.
5182 * m32r/m32r-protos.h: Similarly.
5183 * m32r/m32r.c: Similarly.
5184 * m32r/m32r.h: Similarly.
5185 * m68hc11/m68hc11-protos.h: Similarly.
5186 * m68hc11/m68hc11.c: Similarly.
5187 * m68hc11/m68hc11.h: Similarly.
5188 * m68k/crds.h: Similarly.
5189 * m68k/dpx2.h: Similarly.
5190 * m68k/m68k-protos.h: Similarly.
5191 * m68k/m68k.c: Similarly.
5192 * m68k/m68k.h: Similarly.
5193 * m68k/news.h: Similarly.
5194 * m88k/m88k-protos.h: Similarly.
5195 * m88k/m88k.c: Similarly.
5196 * m88k/m88k.h: Similarly.
5197 * mips/mips-protos.h: Similarly.
5198 * mips/mips.c: Similarly.
5199 * mips/mips.h: Similarly.
5200 * ns32k/merlin.h: Similarly.
5201 * ns32k/ns32k.c: Similarly.
5202 * ns32k/ns32k.h: Similarly.
5203 * ns32k/tek6000.h: Similarly.
5204 * pa/pa-protos.h: Similarly.
5205 * pa/pa.c: Similarly.
5206 * pa/pa.h: Similarly.
5207 * pdp11/2bsd.h: Similarly.
5208 * pdp11/pdp11-protos.h: Similarly.
5209 * pdp11/pdp11.c: Similarly.
5210 * pdp11/pdp11.h: Similarly.
5211 * romp/romp-protos.h: Similarly.
5212 * romp/romp.c: Similarly.
5213 * romp/romp.h: Similarly.
5214 * rs6000/rs6000-protos.h: Similarly.
5215 * rs6000/rs6000.c: Similarly.
5216 * rs6000/rs6000.h: Similarly.
5217 * rs6000/sysv4.h: Similarly.
5218 * sh/sh-protos.h: Similarly.
5219 * sh/sh.c: Similarly.
5220 * sh/sh.h: Similarly.
5221 * sparc/sparc-protos.h: Similarly.
5222 * sparc/sparc.c: Similarly.
5223 * sparc/sparc.h: Similarly.
5224 * vax/vax.c: Similarly.
5225 * vax/vax.h: Similarly.
5226 * vax/vms.h: Similarly.
5227 * we32k/we32k.c: Similarly.
5228 * we32k/we32k.h: Similarly.
5230 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
5232 * basic-block.h (first_insn_after_basic_block_note): Declare.
5233 * flow.c (first_insn_after_basic_block_note): Define. Moved
5235 * ssa.c (first_insn_after_basic_block_note): Remove.
5236 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
5238 (ssa_eliminate_dead_code): Properly update the CFG and PHI
5239 nodes when we find a dead conditional branch. Insert BARRIERs
5240 after any blocks with no successors, but which do not have
5243 2001-07-06 Zack Weinberg <zackw@stanford.edu>
5245 * varray.c (varray_check_failed): Use internal_error.
5247 2001-07-05 Andrew Haley <aph@redhat.com>
5249 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
5250 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
5251 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
5253 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
5255 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
5256 reference if the target constant is also a SYMBOL_REF.
5258 2001-07-05 Eric Christopher <echristo@redhat.com>
5260 * config/mips/mips.h (MASK_MIPS3900): Remove.
5261 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
5262 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
5263 (TARGET_MIPS3900): Change to use mips_arch.
5264 (TARGET_MIPS4000): New.
5265 (TARGET_MIPS4100): New.
5266 (TARGET_MIPS4300): New.
5267 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
5268 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
5270 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
5271 (ISA_HAS_BRANCHLIKELY): To here.
5272 (CC1_CPU_SPEC): New.
5273 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
5274 (mips_arch_string): Declare.
5275 (mips_arch): Declare.
5276 (TARGET_OPTIONS): Add -march and -mtune.
5278 * config/mips/mips.c (mips_arch_string): New.
5280 (override_options): Handle -march for codegen and -mtune
5281 for scheduling. Use mips_arch. Move tx39 target default here.
5282 (mips_parse_cpu): Move error message to override_options.
5284 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
5286 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
5288 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
5289 (MIPS Options): Ditto. Change mcpu entry to historical text.
5291 2001-07-05 H.J. Lu (hjl@gnu.org)
5293 * config/mips/mips.c (mips_parse_cpu): New function to parse
5296 2001-07-05 Jim Wilson <wilson@redhat.com>
5298 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
5299 * config/ia64/t-ia64: Likewise.
5300 (LIB1ASMFUNCS): Update comment.
5302 2001-07-05 David Edelsohn <edelsohn@gnu.org>
5304 * doc/install.texi (Install GCC: Binaries): Fix typo.
5306 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5308 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
5309 reference using the stack pointer, adjust it since we push Y
5311 ("*ashrsi3"): Likewise.
5312 ("*lshrsi3"): Likewise.
5314 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5316 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
5317 when -fomit-frame-pointer is used.
5319 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
5321 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
5322 (try_redirect_by_replacing_jump): Reverse updating properly the
5323 count and frequency information. Reverse removing cc0 setter.
5324 (forwarder_block_p): Reverse fixing for fallthru blocks.
5326 2001-07-05 DJ Delorie <dj@redhat.com>
5328 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
5329 (translate_options): If the above is defined, use it to map
5330 given options to new options.
5331 * doc/tm.texi: Document it.
5333 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
5334 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5336 * doc/invoke.texi (Optimize Options): Document that -fgcse may
5337 cause programs using computed gotos to run more slowly.
5339 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5341 * doc/install.texi (Specific): Markup, spelling and typo fixes.
5343 Consistently require binutils 2.11.2, not prereleases.
5344 (Specific, decstation-*): Canonicalize as mips-dec-*.
5345 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
5347 (Specific, m68k-altos): Removed reference to README.altos, deleted.
5348 (Specific, mips-*): Reword MIPS C compiler requirements.
5349 (Specific, powerpc*-*-*): New, mention --with-cpu once.
5350 (Specific, sunv5): Removed, obsolete.
5352 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
5354 * dwarf2out.c (output_loc_list): Use an all ones mask for
5355 .text asm output and don't rely on long long
5356 literals. Reformat some long lines.
5358 2001-07-05 Andreas Jaeger <aj@suse.de>
5360 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
5363 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5365 * dwarf2out.c (dwarf2out_define): Update comment.
5366 (dwarf2out_undef): Ditto.
5367 (dwarf2out_start_source_file): Ditto.
5368 (dwarf2out_end_source_file): Ditto.
5369 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
5370 since we never call the start/end debug hook for the primary file.
5372 2001-07-04 Kazu Hirata <kazu@hxi.com>
5374 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
5377 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5379 * cppinit.c (remove_dup_dirs): Inform if a system include
5380 directory is being reordered.
5381 * doc/invoke.texi (Directory Options): GCC warns if you hide a
5383 * doc/cpp.texi (Search Paths): Likewise.
5384 * doc/gcc.texi (Interoperation): Remove information about
5387 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
5389 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
5390 (VARRAY_TOP_CHAR_PTR): Likewise.
5392 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5394 * gcc.c (process_command): Don't assign elements of a const char*.
5396 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5398 * emit-rtl.c (change_address): Don't abort if invalid address while
5399 reload is in progress.
5401 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5403 * c-lex.c (cb_file_change): Pass line number to
5404 debug_start_source_file.
5405 (cb_undefine): Pass correct line number to debug_undef.
5407 * toplev.c (debug_start_source_file): Add line number to
5408 parameters. Pass it along to dwarf2out_start_source_file.
5409 (decode_g_option): Stop resetting debug level back to normal when
5410 we change debug formats, unless the current level is
5411 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
5414 * toplev.h (debug_start_source_file): Add line number to
5417 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
5420 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
5422 Output debug_macinfo data for starting file if requested.
5423 (dwarf2out_end_source_file): Output debug_macinfo data for ending
5425 (dwarf2out_define): Output debug_macinfo data for defining a macro
5427 (dwarf2out_undef): Output debug_macinfo data for undefining a
5429 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
5430 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
5431 (macinfo_section_label): New. DWARF2 macro info section label.
5432 (dwarf2out_init): If we want macro info, output the start label
5434 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
5435 attribute to the compilation unit die pointing to the macro info.
5437 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
5439 * dwarf2out.c (new_loc_list): Move to inside #ifdef
5440 DWARF2_DEBUGGING_INFO.
5441 (add_loc_descr_to_loc_list): Ditto.
5442 (output_loc_list): Ditto.
5443 Also, fix thinko in curr not being initialized.
5444 (gen_internal_sym): Ditto.
5446 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5448 * emit-rtl.c (replace_equiv_address): New function.
5449 * expr.h (replace_equiv_address): New declaration.
5450 * explow.c (validize_mem): Call it instead of change_address and
5451 also call if -fforce-addr and address is constant.
5452 * expr.c: Replace more calls to change_address with adjust_address
5453 and/or replace_equiv_address or to validize_mem.
5454 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
5455 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
5456 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5457 * config/i370/i370.md, config/i860/i860.md: Likewise.
5458 * config/i960/i960.md, config/mips/mips.c: Likewise.
5459 * config/mips/mips.md, config/pa/pa.md: Likewise.
5460 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
5461 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
5463 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
5467 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
5470 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
5472 * doc/include: New directory.
5473 * doc/fdl.texi: Move to doc/include/fdl.texi.
5474 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
5475 * doc/include/funding.texi, doc/include/gpl.texi: New files.
5476 * doc/gcc.texi: Use funding.texi and gpl.texi.
5477 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
5478 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
5479 Update dependencies and use -I $(docdir)/include.
5481 2001-07-04 Anthony Green <green@redhat.com>
5483 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
5485 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5487 * doc/install.texi (sparc64-*-*): Remove garbage.
5489 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
5491 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
5492 Fix typo in last change to use adjust_address.
5494 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5496 * doc/install.texi (Specific): Update information for *-*-solaris*.
5498 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5500 * explow.c (plus_constant_wide): Reinitialize Y for restart.
5502 2001-07-03 Stan Shebs <shebs@apple.com>
5504 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
5505 case for flag_no_mach_text_sections.
5506 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
5507 * config/darwin.c (flag_no_mach_text_sections): Remove.
5508 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
5510 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5512 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
5513 and avoid checking for constant as first operand.
5514 * recog.c (find_constant_term_loc): No longer static.
5515 (adj_offettable_operand): Delete.
5516 * rtl.h (adj_offsettable_operand): Delete declaration.
5517 (find_constant_term): Add declaration.
5518 * caller-save.c: Replace calls to adj_offsettable_operand with calls
5520 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
5521 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
5522 * config/i386/i386.c, config/i386/i386.md: Likewise.
5523 * config/i860/i860.c, config/i960/i960.c: Likewise.
5524 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
5525 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
5526 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
5527 * config/mips/mips.c, config/mips/mips.md: Likewise.
5528 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
5529 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
5530 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
5531 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
5532 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
5533 * config/ns32k/ns32k.md: Likewise.
5535 2001-07-03 Zack Weinberg <zackw@stanford.edu>
5537 * rtl.c (copy_rtx): Handle 'T' format letter.
5538 * gensupport.c (collect_insn_data): Likewise.
5539 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
5541 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
5543 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
5544 -B option. Use 'dir' not 'foo' as example directory name.
5546 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5548 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
5549 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
5551 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5553 * doc/cppinternals.texi: Improve formatting and logical markup.
5555 2001-07-03 Andreas Jaeger <aj@suse.de>
5557 * Makefile.in (insn-recog.o): Add dependency on reload.h.
5559 * genrecog.c (write_header): Include reload.h for prototypes in
5562 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
5565 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
5566 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5567 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
5568 i386_pe_valid_type_attribute_p): Add.
5569 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
5570 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
5572 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5574 * explow.c (plus_constant_wide, case LO_SUM): New case.
5575 (plus_constant_for_output_wide): Delete.
5576 * rtl.h (plus_constant_for_output): Delete.
5577 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
5578 instead of plus_constant_for_output.
5579 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
5580 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
5581 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
5582 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
5583 * config/sparc/sparc.md: Likewise.
5584 Convert some change_address calls to adjust_address.
5586 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
5588 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
5589 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
5590 documentation of -std and -Wwrite-strings.
5592 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5594 * cse.c (canon_hash): Don't register registers in very small
5595 register classes, as extending their lifetime might cause
5598 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5600 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5602 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5603 (try_redirect_by_replacing_jump): Update properly the count
5604 and frequency information.
5606 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
5608 * toplev.c (dump_file_index): Move SSA dumps just after first
5610 (dump_file): Corresponding changes.
5611 (rest_of_compilation): Move SSA path to just after the first
5613 * doc/gcc.texi (Passes): Update due to movement of SSA path.
5614 * doc/invoke.texi: Update dump file #s as they were completely
5615 out of date with reality.
5617 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
5619 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
5621 * expr.c (emit_move_insn_1): Deal with non-default
5624 * expr.c (emit_single_push_insn): Fix warning.
5626 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5628 * expr.c (emit_move_insn_1): Avoid modifying
5629 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
5631 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5633 * emit-rtl.c (adjust_address): New function.
5634 * expr.h (adjust_address): Add declaration.
5635 * builtins.c: Replace some calls to change_address with calls to it
5637 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
5638 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
5639 * config/arm/arm.c, config/convex/convex.c: Likewise.
5640 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
5641 * config/i386/i386.c, config/i386/i386.md: Likewise.
5642 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
5643 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
5644 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
5645 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
5646 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
5648 2001-07-02 Jim Wilson <wilson@redhat.com>
5650 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
5652 2001-07-02 Steve Ellcey <sje@cup.hp.com>
5654 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
5655 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
5657 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5659 * cppinit.c (lang_defaults): New table.
5660 (set_lang): Just read from lang_defaults into the live options
5663 2001-07-02 Zack Weinberg <zackw@stanford.edu>
5665 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
5666 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
5667 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
5669 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5671 * doc/install.texi: Various spelling and markup fixes.
5672 (Installing GCC): Component specific installation instructions are
5675 Warn about removing old install dir in the presence of shared libs.
5676 (Configuration): Invoke with options target to match configure
5678 Consistently refer to gas, gld pathnames.
5679 Invert --enable-multilib documentation.
5680 Remove references to old compiler versions.
5682 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5684 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5686 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5688 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5690 (Specific, mips*-sgi-irix5): Note IDO download.
5691 Reworded MIPS C hints.
5692 Use GNU as instead of GAS.
5694 Removed SGI Freeware reference, IRIX 6 only.
5695 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5696 Note N64 library requirement/workaround.
5698 Complete list of structure passing bug victims.
5700 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5702 * doc/install.texi: Remove CVS Id.
5704 2001-07-02 Andreas Jaeger <aj@suse.de>
5706 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5707 (find_inherently_necessary): Remove unused variable.
5709 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5711 * c-common.h (TDI_inlined): New ast dump phase.
5712 (dump_flag_name): New function.
5713 * c-dump.c (dump_files): Add inlined phase.
5714 (dump_flag_name): Define.
5715 * doc/invoke.texi (-fdump-ast-inlined): Document.
5717 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5719 * stor-layout.c (layout_decl): Revert change to handling of alignment
5722 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5724 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5727 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5729 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5732 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5734 * tlink.c (recompile_files): Remove COMPILER_PATH and
5735 LIBRARY_PATH from the environment.
5737 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5739 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5740 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5742 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5744 * c-parse.in (OBJC_STRING): Kill.
5745 (objc_string): Decompose to [objc_string] '@' STRING.
5746 (reswords): Take the leading '@' off all the Objective C keywords.
5747 (objc_rid_sans_at): Kill.
5748 (init_reswords): Don't initialize it.
5749 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5750 (_yylex): Kill reconsider label. Look ahead one token after
5751 an '@'; if we get an identifier, check whether it's an
5752 Objective C @-keyword. If so, return the keyword. Otherwise,
5753 put back the token and return the '@' as a terminal.
5755 * cpplib.c (lex_macro_node): Remove unnecessary check for
5756 leading '@' on identifier. Clarify control flow and commentary.
5758 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5760 * cse.c (new_label_ref): Variable deleted.
5761 (insert): Remove set of new_label_ref.
5762 (check_for_label_ref): New function.
5763 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5765 See ChangeLog.5 for earlier changes.