| blob | 7c1958cd33d42a470c36b58104d165ebcf6373e0 |
1 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3 * bb-reorder.c (make_reorder_chain_1): Handle case where
4 jump edge goes to the same block as the fallthru edge.
6 2001-01-23 Jim Wilson <wilson@redhat.com>
8 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9 * frame.h (__ia64_personality_v1): Add prototype.
10 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11 prototype form. Add void * cast to first argument to personality
12 call.
13 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
14 (asctoe113): Likewise.
15 * config/ia64/frame-ia64.c: Include eh-common.h.
16 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
17 prototypes.
18 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
19 to dump parameter.
20 (itanium_split_issue): Add prototype.
21 (gen_nop_type): Ifdef out.
22 (find_best_packet): Initialize best_packet.
23 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
24 result.
25 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
26 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
27 (flushrs): Add explicit stop bit at end.
28 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
29 trailing \ to >.
31 2001-01-23 Chris Demetriou <cgd@broadcom.com>
33 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
34 of EH symbols.
35 * libgcc2.c (__terminate_func): Make variable static.
36 (__terminate_set_func): New function to set __terminate_func.
37 * libgcc2.h (__terminate_func_ptr): New typedef.
38 (__terminate_set_func): New function.
40 2001-01-23 Richard Henderson <rth@redhat.com>
42 * flow.c (init_propagate_block_info): Don't consider unchanging
43 memories for dead frame store elimination.
45 2001-01-23 Richard Henderson <rth@redhat.com>
47 * varasm.c (UNIQUE_SECTION): Move default implementation ...
48 * defaults.h: ... here.
50 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
52 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
54 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
56 * c-lex.c (lex_charconst): Fix typo: s/p/str.
58 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
60 * rs6000.h (rs6000_return_addr): Move prototype from here...
61 * rs6000-protos.h (rs6000_return_addr): ...to here.
62 (rs6000_init_expanders): Delete prototype.
64 2001-01-23 Nick Clifton <nickc@redhat.com>
66 * invoke.texi: Replace , with \, inside @gccoptlist macros.
67 (Spec Files): Document %B and %j and %. and %v3 and %M and
68 %{S*&T} spec switches.
70 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
72 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
74 2001-01-23 Chris Demetriou <cgd@sibyte.com>
75 Neil Booth <neil@daikokuya.demon.co.uk>
77 * cpperror.c: Merge handlers of PEDWARN and WARNING.
78 Have -Werror make pedantic warnings errors, like the
79 rest of GCC.
81 2001-01-23 Phil Edwards <pme@sources.redhat.com>
83 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
85 2001-01-23 Jakub Jelinek <jakub@redhat.com>
87 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
88 * integrate.c (expand_inline_function): Initialize them.
89 (subst_constants): If changing COMPARE so that both its arguments
90 will be VOIDmode and the comparison mode will be lost, note
91 compare_mode. Use the recorded compare_mode to optimize
92 IF_THEN_ELSE.
94 2001-01-23 Jason Merrill <jason@redhat.com>
96 * dwarf2out.c (new_die): Use xcalloc.
97 (output_die): Abort rather than emit a local reference to offset 0.
99 2001-01-17 Andrew Haley <aph@redhat.com>
101 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
102 of a saved register; return NULL instead.
103 (copy_reg): Take a pointer to a source register rather than a
104 frame_state.
105 (next_stack_level): Remember the address in the stack frame of all
106 saved registers.
107 Use the saved register pointer array as the source of the CFA.
108 (throw_helper): Rewrite. Unwind once rather than twice and keep
109 track of saved registers as we go.
111 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
113 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
114 * c4x.c (c4x_legitimize_reload_address): Remove.
115 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
116 reload address for ldp(k) insn.
118 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
120 * pa.md (return_internal): Add a USE of the PIC register to ensure
121 it is restored after each call.
122 (return expander): Corresponding changes.
124 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
126 * rs6000.h (INIT_EXPANDERS): Delete.
127 (RETURN_ADDR_RTX): Call rs6000_return_addr().
128 * rs6000.c (rs6000_override_options): Call *_machine_status from
129 here...
130 (rs6000_init_expanders): ...instead of here. Delete.
131 (rs6000_mark_machine_status): New function.
132 (rs6000_init_machine_status): Use xcalloc.
133 (rs6000_return_addr): Generate RTX for the return address.
134 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
135 (rs6000_stack_info): Use it.
137 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
139 * gthr-win32.h: Include errno.h to get a declaration for
140 EINVAL and _mingw.h if the target is mingw32.
142 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
144 * cpp.texi: Correct typos.
146 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
148 * explow.c (probe_stack_range): Ensure value passed to
149 stack_check_libfunc is ptr_mode, not Pmode.
151 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
153 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
154 case, don't use operand_subword to calculate a SUBREG that is
155 wider than a word.
157 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
159 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
161 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
162 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
163 valid. If not replace it by equivalent insns.
165 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
167 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
168 contains SYMBOL_REF, LABEL_REF and CONST_INT.
169 (c4x_U_constraint, symbolic_address_operand): Likewise.
170 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
171 memory.
172 (c4x_r11_set_p, c4x_check_laj_p): New functions.
173 * c4x-protos.h (c4x_check_laj_p): Add prototype.
174 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
175 anulling slot because of silicon bug.
176 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
178 2001-01-22 Alan Modra <alan@linuxcare.com.au>
180 * cppexp.c (parse_charconst): Change `mask' type to agree
181 with parse_escape.
183 2001-01-21 Richard Henderson <rth@redhat.com>
185 * config/i386/i386.c (ix86_asm_file_end): Disable putting
186 pic_label_name in a linkonce section.
188 2001-01-17 Philipp Thomas <pthomas@suse.de>
190 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
191 found in libintl.
192 * configure: Regenerate.
194 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
196 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
197 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
199 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
201 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
202 If REVERSE nonzero then condition code in X must be reversed.
203 (encode_section_info): Optimise if/else.
204 (avr_function_value): Fix formatting.
206 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
207 (difficult_branch): Likewise.
208 (rvbranch): Likewise.
209 (difficult_rvbranch): Likewise.
211 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
213 * config/avr/libgcc.S: Fix comment.
215 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
217 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
219 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
221 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
223 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
225 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
226 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
227 * configure, config.in: Regenerate.
228 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
229 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
230 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
231 (doprint.o): New rule.
233 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
235 * c-typeck.c (digest_init): Handle boolean types as scalars.
237 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
239 * stmt.c (expand_return): Don't return anything if size is zero.
240 Delete redundant assignment to BYTES.
241 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
243 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
245 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
246 the same as the default library function names.
247 * config/avr/avr.md: Document special characters after '%'.
248 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
249 knowing which of the call-used registers are really clobbered.
250 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
251 New. Both quotient and remainder from one libgcc.S call.
252 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
253 clobber as few registers as possible.
254 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
256 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
258 * cppmacro.c (funlike_invocation_p): Don't move back up to the
259 context of the top of the stack.
261 2001-01-20 Jakub Jelinek <jakub@redhat.com>
263 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
264 (fixup_var_refs_insns): ...here.
266 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
268 * function.c (fixup_var_refs_insns): Break up into
269 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
270 [loop over entire insn list], and fixup_var_refs_insns_with_hash
271 [loop over hash table entries].
272 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
273 fixup_var_refs_insns_with_hash, to match above changes.
275 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
277 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
278 (libgcc.a): Likewise.
279 (stmp-multilib): Likewise.
280 (STAGE2_FLAGS_TO_PASS): Likewise.
282 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
284 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
285 temporary if no_new_pseudos.
287 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
289 * cppinternals.texi: Update.
291 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
293 * arm.c (arm_init_builtins): Re-enable builtins.
295 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
297 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
298 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
299 element to be null, and always expect an EXPR_LIST.
300 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
301 * sched-deps.c (sched_analyze_1): Likewise.
302 * sched-rgn.c (check_live_1, update_live_1): Likewise.
304 * regclass.c (max_set_parallel): New variable.
305 (reg_scan): Take it into account in computation of max_parallel.
306 (reg_scan_mark_refs, case SET): Compute it.
308 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
309 args are REG.
310 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
311 * function.c (assign_parms): Use INTVAL for a CONST_INT.
313 2001-01-19 Jason Merrill <jason@redhat.com>
315 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
316 for the abstract instance of an inline function.
318 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
319 J"orn Rennecke <amylaar@redhat.com>
321 * reload1.c (move2add_note_store): Treat all registers directly or
322 indirectly derived from a base register as members of the same set
323 of values.
324 (reload_cse_move2add): Adjust accordingly. Take mode and offset
325 of base register into account.
327 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
329 * alias.c (find_base_value): Recognize TRUNCATE.
330 (record_set): In PLUS case, invalidate if other summand is also a
331 base value.
333 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
335 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
336 entry to be EXPR_LIST.
337 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
338 be an EXPR_LIST (but not null, which other code doesn't allow).
339 (note_stores): Properly handle PARALLEL in SET.
340 Recursively call for top-level PARALLEL.
341 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
342 * sched-rgn.c (check_live_1, update_live_1): Likewise.
344 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
346 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
348 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
349 not pfile->skipping (== 0).
351 2001-01-17 Nick Clifton <nickc@redhat.com>
353 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
354 machine_status.
356 2001-01-17 Jim Wilson <wilson@redhat.com>
358 * invoke.texi (IA-64 options): Improve.
360 2001-01-17 Tom Tromey <tromey@redhat.com>
362 * invoke.texi (Optimize Options): Use `{}' to around @samp
363 argument.
365 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
367 * invoke.texi (-fno-guess-branch-probability): New option.
369 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
371 * combine.c (try_combine): Don't set i3_subst_into_i2 for
372 case of making new double-word constant.
373 Revert last change: instead just test i3_subst_into_i2.
375 2001-01-17 Jakub Jelinek <jakub@redhat.com>
377 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
378 Use q constraints instead of r.
380 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
382 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
383 (machine_function): Define.
384 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
385 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
386 pa_free_machine_status): New functions.
387 (override_options): Set {init,mark,free}_machine_status to above.
388 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
389 PIC_OFFSET_TABLE_REGNUM_SAVED.
390 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
391 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
392 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
393 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
394 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
396 2001-01-15 DJ Delorie <dj@redhat.com>
398 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
399 (cpp.1): Ditto.
400 (gcc.1): Ditto.
402 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
404 * flow.c (propagate_on_insn): Make trying to delete a prologue
405 or epilogue insn an ICE, not a warning. Allow doing this if
406 the current function returns with stack pointer depressed.
408 * combine.c (try_combine): If i3_subst_into_i2, properly check for
409 I3 having more than one SET.
411 2001-01-16 Jim Wilson <wilson@redhat.com>
413 * invoke.texi: Document IA-64 options.
415 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
416 (fixup_errata): Delete TARGET_A_STEP use.
417 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
418 (TARGET_SWITCHES): Delete -ma-step option.
419 * config/ia64/ia64.md (all FP patterns): Delete %B0.
420 (movqicc_astep, movqi_internal_astep, movhicc_astep,
421 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
422 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
423 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
424 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
425 Delete.
426 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
427 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
428 cmovsi_internal): Delete ! TARGET_A_STEP check.
430 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
432 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
433 possibility to report bugs via postal mail. Change a URL and
434 merge in a nearly duplicate statement...
435 (Bug Reporting): ...from here.
436 (Service): Refer to the Bug Reporting section instead of
437 duplicating an URL.
438 (Contributing): Remove trivial explanations concerning snapshots.
440 2001-01-16 Alan Modra <alan@linuxcare.com.au>
442 * cppmain.c (general_init): Don't use ANSI prototype.
444 2001-01-16 Tom Tromey <tromey@redhat.com>
446 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
448 2001-01-16 Richard Henderson <rth@redhat.com>
450 * config/i386/i386.h: Fix comment typo.
451 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
452 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
454 2001-01-16 Phil Edwards <pme@sources.redhat.com>
456 * gcc.c: Revert previous -fsyntax-only-related change; move
457 to cp/g++spec.c.
459 2001-01-16 Jakub Jelinek <jakub@redhat.com>
461 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
462 inmode after checking GET_CODE (op).
464 2001-01-16 Richard Henderson <rth@redhat.com>
466 * flow.c (struct propagate_block_info): Add mem_set_list_len.
467 (MAX_MEM_SET_LIST_LEN): New.
468 (propagate_one_insn): Update mem_set_list_len.
469 (invalidate_mems_from_autoinc): Likewise.
470 (invalidate_mems_from_set): Likewise.
471 (mark_used_regs): Likewise.
472 (init_propagate_block_info): Likewise. Stop collecting memories
473 when we reach MAX_MEM_SET_LIST_LEN.
474 (mark_set_1): Likewise.
476 2001-01-16 Richard Henderson <rth@redhat.com>
478 * unroll.c (precondition_loop_p): Fail if no iteration
479 variable found.
481 2001-01-16 Phil Edwards <pme@sources.redhat.com>
483 * gcc.c: When -fsyntax-only is given, do not complain about
484 unused libraries.
486 2001-01-15 Richard Henderson <rth@redhat.com>
488 * config/i386/i386.c (asm_output_function_prefix): Remove.
489 (ix86_asm_file_end): New.
490 (load_pic_register): Generate pic_label_name into a
491 staticly allocated buffer.
492 * config/i386/i386-protos.h: Update.
493 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
494 (ASM_FILE_END): New.
495 * config/i386/i386afe.h: New file.
496 * config.gcc (i?86-*-elf) [tm_file]: Use it.
497 (i?86-*-{freebsd,linux*,moss*}): Likewise.
498 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
499 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
500 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
501 * config/i386/sco5.h (ASM_FILE_END): Likewise.
502 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
504 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
506 * Makefile.in (install-man): Remove explicit dependency on
507 $(srcdir)/gcc.1.
509 * configure.in, configure: Revert previous patch requiring perl
510 5.6.0.
512 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
514 * toplev.c (flag_guess_branch_prob): New.
515 (f_options): Add guess-branch-probability option.
516 (rest_of_decl_compilation): Only estimate branch probability if
517 flag set.
518 (main): set flag_guess_branch_prob.
520 * flags.h (flag_guess_branch_prob): New.
522 2001-01-15 DJ Delorie <dj@redhat.com>
524 * gcc.texi (Makefile): Add documentation for Makefile targets.
526 2001-01-15 Philip Blundell <philb@gnu.org>
528 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
529 (is_pic): Delete.
530 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
531 (is_pic): Delete declaration.
532 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
533 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
534 * config/arm/arm.md (builtin_setjmp_receiver): New.
536 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
538 * arm.c (use_return_insn): Don't try to determine the function type
539 until after reload has completed.
540 (arm_output_epilogue): Don't adjust the sp value recovered from the
541 stack.
542 (emit_multi_reg_push): Don't record dwarf information for the pc.
543 * arm.md (eh_epilogue): The function type may have changed, so it
544 needs to be recalculated.
545 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
546 unwind tables on arm/netbsd.
548 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
550 * arm.md (cbranchsi4): Correct calculation of branch ranges.
551 (negated_cbranchsi4): Likewise.
553 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
555 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
556 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
557 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
558 pass -mapcs-* options to assembler.
559 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
560 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
561 (ASM_SPEC): Call subtarget_extra_asm_spec.
563 2001-01-15 Andreas Jaeger <aj@suse.de>
565 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
566 warnings.
567 (ix86_expand_builtin): Likewise.
569 * gencodes.c (output_predicate_decls): Make i size_t to avoid
570 warning about comparison between signed and unsigned.
572 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
574 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
576 2001-01-14 Ralf Baechle <ralf@gnu.org>
578 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
579 SUBTARGET_CPP_SPEC apropriatly.
581 2001-01-12 Mark Mitchell <mark@codesourcery.com>
583 * varasm.c (make_decl_rtl): Fix typo in last change.
585 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
587 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
588 linker supports the init_priority C++ attribute.
589 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
590 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
591 linker does not support init_priority C++ attribute.
593 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
595 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
597 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
599 * c-parse.in (finish_parse): Add comment about cpp_destroy.
600 * cp/lex.c (finish_parse): Similarly.
601 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
602 Return the number of errors encountered.
603 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
604 * cppmain.c (main): Don't call cpp_destroy.
606 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
608 * configure.in: Require at least perl 5.6.0 to regenerate
609 manpages.
610 * configure: Regenerate.
612 2001-01-14 Richard Henderson <rth@redhat.com>
614 * genrecog.c (DT_veclen_ge): New.
615 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
616 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
617 (nodes_identical_1): Handle DT_veclen_ge.
618 (write_cond, debug_decision_2): Likewise.
620 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
622 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
623 with ...
624 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
626 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
628 * cppmain.c (do_preprocessing): New function; most of the old
629 main.
630 (main): Call it to do most of the work.
631 (cb): Move from global scope to set_callbacks ().
632 (setup_callbacks): Get the callback pointer.
633 (general_init, printer_init): Clean up code and comments.
635 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
637 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
638 compiling PIC.
640 2001-01-14 Kazu Hirata <kazu@hxi.com>
642 * config/h8300/h8300.c (get_shift_alg): Update comments.
644 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
646 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
647 (alloc_page, ggc_alloc): Add casts to remove warnings.
649 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
651 * combine.c (simplify_comparison): Don't change `code' when
652 can't reverse comparison.
654 2001-01-14 Richard Henderson <rth@redhat.com>
656 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
657 update all call sites. Return true for all non-label constants.
659 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
661 * i386.c (ix86_expand_compare): Add bypass_test and second_test
662 parameters.
663 (ix86_expand_branch): Update.
664 (ix86_expand_setcc): Update to handle multiple test conditions.
665 (expand_int_movcc): Likewise.
666 (expand_fp_movcc): Likewise.
667 * i386-protos.h (ix86_expand_compare): New.
668 * i386.md (andqi_?_slp, orqi_?_slp): New.
669 (conditional trap expander): Update call to ix86_expand_compare.
671 2001-01-14 Richard Henderson <rth@redhat.com>
673 * config/vax/vax.md: Use nonimmediate_operand instead of
674 general_operand in destinations.
676 * config/vax/vax.md (indirect_jump): Use register_operand.
678 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
679 * config/vax/vax.md (call_pop): Turn into an expander.
680 (call_value_pop): Likewise.
681 (call, call_value): New.
683 2001-01-14 Andreas Jaeger <aj@suse.de>
685 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
686 variables.
687 (ix86_fp_compare_mode): Add unused attribute.
688 (ix86_expand_fp_movcc): Remove unused variable.
689 (ix86_expand_builtin): Make fcode unsigned.
691 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
692 (expand_expr): Add cast to avoid signed warning.
693 (store_field): Likewise.
694 (store_constructor_field): Likewise.
695 (store_constructor): Likewise.
696 (store_expr): Likewise.
697 (clear_storage): Likewise.
698 (emit_group_store): Likewise.
699 (emit_group_load): Likewise.
701 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
703 * c-common.c: Move format checking code to ...
704 * c-format.c: ... here. New file. Reorder some functions and
705 declarations.
706 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
707 New functions.
708 * c-common.h (decl_handle_format_attribute,
709 decl_handle_format_arg_attribute): Declare.
710 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
711 (c-common.o): Adjust dependencies.
712 (c-format.o): New list of dependencies.
714 2001-01-13 Jakub Jelinek <jakub@redhat.com>
716 * unroll.c (loop_iterations): If we cannot prove iteration variable
717 is set once in each iteration, punt.
719 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
721 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
722 (*strlenhi): Remove clobber (which was buggy) of output address.
724 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
726 * Makefile.in (generated-manpages): Add gcc.1
727 ($(srcdir)/gcc.1): New target.
728 (maintainer-clean): Delete $(srcdir)/gcc.1.
729 * gcc.texi: Add macros @gccoptlist and @gol.
730 * invoke.texi: Include option summary in manpage. Mark up option
731 summary with @gccoptlist and @gol. Use @r in one place where
732 appropriate.
733 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
734 * gcc.1: Generate from invoke.texi.
736 2001-01-13 Richard Henderson <rth@redhat.com>
738 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
739 (struct page_entry): Add group member.
740 (struct page_group): New.
741 (struct globals): Add page_groups member.
742 (alloc_anon): Only define for using mmap; remove valloc call.
743 (page_group_index): New.
744 (set_page_group_in_use): New.
745 (clear_page_group_in_use): New.
746 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
747 (free_page, release_pages): Likewise.
748 * configure.in (with-gc): Default to ggc-page always.
750 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
752 * reload1.c (replace_pseudos_in_call_usage): Use
753 reg_equiv_constant and reg_equiv_address, and don't try
754 regno_reg_rtx first.
756 2001-01-13 Richard Henderson <rth@redhat.com>
758 * ggc-page.c (alloc_page): Round up allocation size to one page.
759 Set e->order on extra pages.
761 2001-01-13 Richard Henderson <rth@redhat.com>
763 * genrecog.c (nodes_identical): Expand commentary.
764 (write_switch): Watch out for identical nodes.
766 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
768 * cppfiles.c (_cpp_fake_include): New function.
769 * cpphash.h (_cpp_fake_include): New.
770 * cpplib.c (do_line): Call _cpp_fake_include when entering
771 header files in preprocessed input.
772 * cppmain.c (cb_pragma_implementation): Remove handling.
773 (setup_callbacks): Don't register pragmas.
775 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
777 * extend.texi: Udate for CPP.
779 2001-01-13 Andreas Jaeger <aj@suse.de>
781 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
783 * regmove.c: Add prototype for replace_in_call_usage.
785 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
787 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
788 struct cpp_chunk, struct htab, struct toklist,
789 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
790 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
791 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
792 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
793 (struct macro_args): Delete.
794 * cpphash.h: See above.
796 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
798 * cppmain.c (struct printer): Remove no_line_dirs.
799 (options, cb): New.
800 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
801 : Use options rather than CPP_OPTION.
802 (setup_callbacks): Use cb rather than pfile->cb.
803 (main): No need to check for a buffer. Use cpp_errors.
804 (printer_init): Don't set no_line_dirs.
805 (maybe_print_line): Use options not no_line_dirs.
806 (cb_file_change): Don't call print_line if -P.
808 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
810 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
811 callbacks.
812 * c-parse.in (finish_parse): Use cpp_errors.
813 (__yylex): Use return value of cpp_pop_buffer.
814 * cp/lex.c (finish_parse): Use cpp_errors.
815 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
817 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
819 * README.AVR: URLs corrected.
821 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
823 * c-decl.c (start_function): Don't warn if old prototype is builtin
824 that's not in C's namespace.
825 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
826 (_bb): Add prototype for ctime.
827 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
829 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
831 * i386.c (ix86_fp_comparison_arithmetics_cost,
832 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
833 ix86_fp_comparison_cost): New functions.
834 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
835 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
836 two-branch sequences; make static.
837 (ix86_use_fcomi_compare): Do decision according to the costs.
838 (split_fp_branch): New.
839 * i386.md (compare-and-branch patterns): Use split_fp_branch.
840 * i386-protos.h (ix86_expand_fp_compare): Remove
841 (ix86_split_fp_branch): Declare.
843 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
844 and ix86_comparison_operator.
846 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
847 to make it cheaper.
849 * i386.c (put_condition_code): Output properly the unordered/ordered
850 compares in fp case.
851 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
853 * tm.texi (REVERSE_CONDITION): Document.
854 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
855 in -ffast-math mode.
856 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
858 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
860 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
862 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
863 optimized away.
865 * config/sh/sh.c (mova_p): Fix test for mova_const.
867 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
869 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
870 cpp_get_options rather than dereferencing pfile and using
871 CPP_OPTION.
872 * scan-decls.c (scan_decls): Use return value of
873 cpp_pop_buffer rather than CPP_BUFFER.
875 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
877 * cppinit.c (cpp_handle_option): help_only is now part of the
878 cpp_options structure.
879 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
880 cpp_set_callbacks): New functions.
881 * cpplib.h (cpp_callbacks): Break out as a named structure.
882 (cpp_options): Move help_only here from cpp_reader.
883 (CPP_FATAL_ERRORS): Update to use cpp_errors.
884 (cpp_errors, cpp_get_options, cpp_get_callbacks,
885 cpp_set_callbacks): New prototypes.
886 * cppmain.c (main): Update for help_only.
888 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
890 * Makefile.in (info, maintainer-clean, install-info, uninstall):
891 Also build and remove and install and uninstall c-tree.info and
892 cppinternals.info.
893 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
894 ($(srcdir)/cppinternals.info): New target.
895 * c-tree.texi: Change file name used when makeinfo used without -o
896 from ir.info to c-tree.info. Add info directory entry.
897 * cppinternals.texi: Add info directory entry.
898 * .cvsignore: Update.
900 2001-01-12 Jakub Jelinek <jakub@redhat.com>
902 * c-typeck.c (store_init_value): Don't require constant initializer
903 elements with -pedantic -std=c99.
904 (digest_init): Change error about non-constant initializer elements
905 into pedwarn.
906 (constructor_range_end): Remove.
907 (constructor_incremental, designator_depth,
908 designator_errorneous): New variables.
909 (struct constructor_stack): Remove range_end, add incremental.
910 (struct constructor_range_stack, constructor_range_stack): New.
911 (struct initializer_stack): Add constructor_range_stack.
912 (finish_init): Set it.
913 (start_init): Likewise. require_constant_elements for non-static
914 trees only if not flag_isoc99.
915 (really_start_incremental_init): Remove constructor_range_end, add
916 constructor_incremental.
917 (pop_init_level): Likewise.
918 (push_init_level): Likewise. If implicit and the subobject had some
919 value set already, preinitialize the level with it.
920 Warn about missing braces only if not pushing due to designators.
921 (set_designator, push_range_stack): New functions.
922 (set_init_label): Use them.
923 (set_init_index): Likewise. Remove constructor_range_end.
924 Error if designator index is outside of array bounds.
925 (add_pending_init): Compare values of purpose index trees, not the
926 trees themselves. Allow overwriting of already initialized element.
927 Issue a warning if it had side-effects.
928 (set_nonincremental_init, set_nonincremental_init_from_string): New
929 functions.
930 (pending_init_member): Rename to...
931 (find_init_member): ...this function. Call set_nonincremental_init
932 if necessary. Compare values of purpose index trees, not the trees
933 themselves. Return the actual value, not just non-zero if something
934 is found.
935 (output_init_element): Remove checks for duplicates.
936 If field has zero size, only check the initializer for correctness.
937 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
938 if constructor_incremental is zero. Change error about initializers
939 not computable at load time into pedwarn.
940 (output_pending_init_elements): Compare bit positions, not
941 FIELD_DECLs to take into account zero-sized fields.
942 (process_init_element): Use constructor_range_stack to fill all
943 ranges in the designator lists from current level up.
944 * extend.texi: Update documentation for labeled elements.
946 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
948 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
949 to function usage for arguments passed by reference. Optimize
950 callee-copied arguments.
951 * regmove.c (replace_in_call_usage): New function.
952 (fixup_match_1): Call it.
953 * cse.c (cse_insn): Canonicalize registers in function usage.
954 * reload1.c (replace_pseudos_in_call_usage): New function.
955 (reload): Call it.
957 * Makefile.in: Reverted yesterday's wrong patch. Installed the
958 right version.
960 2001-01-12 Jakub Jelinek <jakub@redhat.com>
962 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
963 not XEXP (tmp, 0).
965 2001-01-12 DJ Delorie <dj@redhat.com>
967 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
968 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
969 targets.
971 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
973 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
974 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
975 -std options alongside references to -ansi. Update some
976 documentation for C99.
977 * cpp.1: Regenerate.
979 2001-01-12 Andreas Jaeger <aj@suse.de>
981 * haifa-sched.c (restore_line_notes): Remove argument block B
982 since it's unused.
983 * sched-ebb.c (schedule_ebb): Change caller.
984 * sched-rgn.c (schedule_region): Likewise.
985 * sched-int.h (restore_line_notes): Adjust prototype.
987 * loop.h: Remove wrong declaration of doloop_condition_get.
989 2001-01-12 Phil Edwards <pme@sources.redhat.com>
991 * extend.texi: Move C++-extension-related node from the C section
992 into the C++ section.
994 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
996 * extend.texi: Refer to an array of pointers to functions instead
997 of one of functions.
999 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1000 Jan Hubicka <jh@suse.cz>
1002 * combine.c (reversed_comparison): Fix typo in last patch.
1003 Check X for NULL.
1004 (combine_reversed_comparison_code): Make static to follow
1005 prototype declaration.
1007 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1009 * install.texi: Remove misplaced duplicate entry.
1011 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1013 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1015 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1017 * final.c: (leaf_function_p): Fix typo.
1019 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1021 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1022 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1023 which you have.
1024 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1025 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1026 mmap_anon, and valloc is available.
1027 * ggc-page.c: Restructure ifdef logic to match new autoconf
1028 spec. Don't throw away the test page in init_ggc.
1030 * configure, config.in: Regenerate.
1032 2001-01-12 Michael Hayes <mhayes@redhat.com>
1034 * loop.h (total_biv_increment): Constify iv_class pointer.
1035 (struct induction): Replace `mem_mode' with `mem' rtx.
1036 * unroll.c (total_biv_increment): Constify iv_class pointer.
1037 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1038 (find_mem_givs, combine_givs_p): Likewise.
1039 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1041 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1043 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1044 LastError.
1045 (__gthread_getspecific): Ditto.
1047 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1049 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1050 put_condition_code): Convert fp comparison codes to integer
1051 before handling.
1052 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1053 to final.
1055 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1056 * i386-protos.h (no_comparison_operator): Kill.
1058 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1060 * combine.c (REVERSIBLE_CC_MODE): Remove.
1061 (reversible_comparison_p): Remove.
1062 (combine_reversed_comparison_code): New.
1063 (reversed_comparison): New.
1064 (combine_simplify_rtx): Use
1065 combine_reversed_comparison_code/reversed_comparison instead
1066 of reversible_comparison_p.
1067 (simplify_if_then_else): Likewise.
1068 (simplify_set): Likewise.
1069 (simplify_logical): Likewise.
1070 (if_then_else_cond): Likewise.
1071 (known_cond): Likewise.
1072 (simplify_comparison): Likewise.
1074 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1076 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1077 sizeof (int) is larger than sizeof(__word__).
1079 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1081 * cppinit.c (do_includes): Fix typo.
1083 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1085 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1086 in S_REGS does not occur because not all sources are possible
1087 when a S_REGS is a destination (sometimes needs a clobber).
1088 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1089 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1090 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1091 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1092 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1093 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1094 (lshrdi_const1, lshrsi3_const16): Likewise.
1095 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1096 (*movhi_68hc12, *movqi_68hc12): Likewise.
1097 (movstrictqi): Make sure reloading in D_REGS as a destination
1098 does not happen.
1100 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1102 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1104 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1106 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1107 -D, -U and -A, and don't initialize the builtins.
1108 (do_includes): Error if -include or -imacros with -fpreprocessed.
1109 * cppmain.c (cb_define, cb_undef): Unconditionally process
1110 the callback.
1111 * tradcpp.c (main): Fix typo.
1113 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1115 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1116 (read_name_map): Use IS_ABSOLUTE_PATH.
1117 * tradcpp.c (get_filename): Likewise.
1119 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1121 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1122 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1123 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1124 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1125 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1126 (cmphi_z_used): Don't use '@' for the output.
1127 (tstqi_z_used): Likewise.
1128 (cmpqi_z_used): Likewise.
1129 (one_cmplsi2): Likewise.
1131 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1133 * config/sh/sh.c (barrier_align): Recognize branch around far
1134 branch and redundant insn.
1136 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1138 * invoke.texi: Restore documentation of the drivers' switches -MD
1139 and -MMD.
1141 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1143 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1145 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1146 check-objc//%): Support parallel testing of multilibs.
1147 (TESTSUITEDIR): Set to testsuite by default, but override for
1148 parallel testing.
1149 (check-gcc, check-g++, check-g77, check-objc): Enter
1150 $(TESTSUITEDIR).
1152 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1154 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1155 * sched-deps.c (deps_may_trap_p): Likewise.
1156 * basic-block.h: Remove a comment.
1157 * flow.c (PROP_POSTRELOAD): Remove.
1158 (update_life_info): Don't add it to prop_flags.
1159 (mark_set_1): Lose the code that was enabled by it.
1161 2001-01-11 Michael Hayes <mhayes@redhat.com>
1163 * flow.c (flow_call_edges_add): New.
1164 * basic_block.h (flow_call_edges_add): New.
1166 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1168 * reload1.c (move2add_note_store): Update reg_set_luid even if
1169 base reg remains the same.
1171 2001-01-10 Nick Clifton <nickc@redhat.com>
1173 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1174 machine_function structure to zero.
1175 Add prototypes for machine_status functions.
1177 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1179 * c-common.h (CTI_VOID_LIST): Remove.
1180 (void_list_node): Likewise.
1181 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1182 (void_list_node): New macro.
1183 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1184 * config/i386/i386.c (ix86_init_builtins): Likewise.
1185 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1187 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1189 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1190 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1191 if statement.
1192 * tradcpp.c: Include mkdeps.h.
1193 (deps, print_deps_phony_targets, deps_append, output_deps,
1194 init_dependency_output, output_deps): New.
1195 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1196 deps_output): Delete.
1197 (print_deps_missing_files): Rename deps_missing_files.
1198 (inhibit_output): Make global.
1199 (main): Delete inhibit_output, deps_stream, deps_target.
1200 Use mkdeps functionality in the same way as cpplib. Remove
1201 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1202 -M and -MM. Remove old handling of deps via deps_out, and
1203 old reading of environment variables.
1204 (get_filename): Update to use deps_add_dep.
1206 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1208 * output.h (make_function_rtl): Remove prototype.
1209 (make_decl_rtl): Likewise.
1210 * varasm.c (make_function_rtl): Remove.
1211 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1212 than from a third parameter.
1213 * tree.h (make_decl_rtl): Remove last parameter.
1214 * c-decl.c (builtin_function): Remove last argument in call to
1215 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1216 (start_function): Likewise.
1217 * except.c (call_get_eh_context): Likewise.
1218 * expr.c (emit_block_move): Likewise.
1219 (clear_storage): Likewise.
1220 * profile.c (output_func_start_profiler): Likewise.
1221 * toplev.c (rest_of_decl_compilation): Likewise.
1222 * objc/objc-act.c (create_builtin_decl): Likewise.
1223 (synth_module_prologue): Likewise.
1224 (generate_static_reference): Likewise.
1225 (build_selector_reference_decl): Likewise.
1226 (build_class_reference_decl): Likewise.
1227 (build_objc_string_decl): Likewise.
1228 (build_protocol_reference): Likewise.
1230 2001-01-10 Richard Henderson <rth@redhat.com>
1232 * hwint.h: Revert yesterday's change.
1234 2001-01-10 Nick Clifton <nickc@redhat.com>
1236 * function.h (save_machine_status): Delete.
1237 (restore_machine_status): Delete.
1238 Amend comment describing {init|mark|free}_machine_status.
1240 * function.c (save_machine_status): Delete.
1241 (restore_machine_status): Delete.
1242 Amend comment describing {init|mark|free}_machine_status.
1243 (push_function_context_to): Remove invocation of
1244 save_machine_status.
1245 (pop_function_context_from): Remove invocation of
1246 restore_machine_status.
1248 * emit-rtl.c (init_emit_once): Amend comment describing
1249 {init|mark|free}_machine_status.
1251 * tm.texi (Per-Function Data): New node. Describe the
1252 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1253 function pointers.
1255 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1257 * cppinit.c (OPT_g): Remove.
1258 (cpp_handle_option): Update for removed -g3.
1259 (print_help): Update.
1260 * cpplib.h (struct cpp_options): Remove debug_output.
1261 * cppmain.c (setup_callbacks, cb_define): Update.
1262 * gcc.c (cpp_options): Translate -g3 to -dD.
1264 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1266 * config/i960/i960.md: Change modifier to + on the zero_extract
1267 pattern after the (rotate -2 reg) canonicalization pattern.
1269 2001-01-10 Richard Henderson <rth@redhat.com>
1271 * config/alpha/alpha.c (alpha_free_machine_status): New.
1272 (override_options): Install it.
1273 (alpha_mark_machine_status): Verify machine non-null.
1274 * config/i386/i386.c (ix86_free_machine_status): New.
1275 (override_options): Install it.
1276 (ix86_init_machine_status): Use xcalloc.
1277 (ix86_mark_machine_status): Verify machine non-null.
1278 * config/ia64/ia64.c (ia64_free_machine_status): New.
1279 (ia64_override_options): Install it.
1280 (ia64_mark_machine_status): Verify machine non-null.
1282 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1284 * function.c (instantiate_virtual_regs): Instantiate virtual
1285 registers found in CALL_INSN_FUNCTION_USAGE.
1287 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1289 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1290 equivalent to -ansi in disabling -Di386.
1292 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1294 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1295 new functions.
1296 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1298 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1300 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1302 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1304 * invoke.texi: Document that -fcond-mismatch isn't supported for
1305 C++.
1307 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1309 * gcc.texi: Define macro gcctabopt.
1310 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1311 @command, @env and @option in some places where appropriate. Use
1312 @gcctabopt where appropriate. Put URLs and email addresses inside
1313 @w.
1315 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1317 * gcc.c (cpp_options): Set MD file name from output
1318 filename, if specified.
1319 (suffix_subst): New static variable.
1320 (do_spec): Clear it.
1321 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1322 Clear it.
1323 (give_switch): Handle suffix_subst.
1325 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1327 * invoke.texi: Fix another typo.
1329 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1331 * invoke.texi: Fix typo.
1333 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1335 * c-lang.c (lang_hooks): Update.
1336 (lang_decode_option): Remove.
1337 (lang_init_options): Rename c_init_options.
1338 * toplev.c (main): Use lang_hooks for lang_init_options
1339 and lang_decode_option.
1340 * toplev.h (lang_hooks): Add 2 new hooks.
1341 * tree.h: Remove lang_init_options and lang_decode_option.
1342 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1343 * cp/decl2.c: Similarly.
1344 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1345 (lang_hooks): Update.
1346 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1347 for consistency.
1348 (lang_init_options): Rename ffe_init_options.
1349 (lang_hooks): Update.
1350 (lang_decode_option): Remove.
1351 * java/lang.c (lang_init_options): Rename java_init_options.
1352 (lang_decode_option): Rename java_decode_option.
1353 (lang_hooks): Update.
1354 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1355 (lang_decode_option): Rename objc_decode_option.
1356 (lang_hooks): Update.
1358 2001-01-09 Nick Clifton <nickc@redhat.com>
1360 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1361 (d30v_return_addr_rtx): Delete.
1362 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1363 cfun->machine structure.
1364 (struct machine_function): Move to d30v.h
1365 (d30v_save_machine_status): Delete.
1366 (d30v_restore_machine_status): Delete.
1367 (d30v_init_machine_status): New Function.
1368 (d30v_mark_machine_status): New Function.
1369 (d30v_free_machine_status): New Function.
1370 (d30v_init_expanders): Use new functions.
1371 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1372 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1373 d30v_return_addr_rtx.
1375 * config/d30v/d30v.h (struct_machine): Move here.
1376 Add eh_epilogue_sp_ofs field.
1378 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1379 field in cfun->machine structure.
1381 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1383 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1384 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1385 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1387 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1389 * objc/lang-options.h: Remove bogus reference to
1390 Java trademark.
1392 2001-01-09 Kazu Hirata <kazu@hxi.com>
1394 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1395 return the result.
1397 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1399 * reload.c (find_reloads_address): Check for eliminable registers
1400 when substituting a constant expression for a pseudo.
1402 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1404 * c-common.c (enum format_type): Add format_type_error.
1405 (decode_format_type): New function.
1406 (decl_attributes): Use it.
1407 (format_kind_info): Adjust comment.
1409 2001-01-09 David O'Brien <obrien@BSDi.com>
1411 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1412 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1413 files in tm_file.
1414 * config/i386/gnu.h: Don't include required platform specific .h files,
1415 tm.h will do it instead.
1416 * config/i386/i386elf.h: Likewise.
1417 * config/i386/linux.h: Likewise.
1418 * config/i386/moss.h: Likewise.
1419 * config/mips/gnu.h: Likewise.
1421 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1423 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1424 (rs6000-ibm-aix3.[01]*): Likewise.
1425 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1426 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1427 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1428 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1429 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1430 (powerpc-*-eabiaix*): Likewise.
1431 (powerpc-*-eabisim*): Likewise.
1432 (powerpc-*-elf*): Likewise.
1433 (powerpc-*-eabi*): Likewise.
1434 (powerpc-*-rtems*): Likewise.
1435 (powerpc-*-linux*libc1): Likewise.
1436 (powerpc-*-linux*): Likewise.
1437 (powerpc-wrs-vxworks*): Likewise.
1438 (powerpcle-wrs-vxworks*): Likewise.
1439 (powerpcle-*-sysv*): Likewise.
1440 (powerpcle-*-elf*): Likewise.
1441 (powerpcle-*-eabisim*): Likewise.
1442 (powerpcle-*-eabi*): Likewise.
1443 (powerpcle-*-solaris2*): Likewise.
1444 * config/rs6000/aix31.h: Delete includes.
1445 * config/rs6000/aix3newas.h: Likewise.
1446 * config/rs6000/aix41.h: Likewise.
1447 * config/rs6000/aix43.h: Likewise.
1448 * config/rs6000/beos.h: Likewise.
1449 * config/rs6000/rtems.h: Likewise.
1450 * config/rs6000/sysv4.h: Likewise.
1452 2001-01-09 Kazu Hirata <kazu@hxi.com>
1454 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1455 Change an argument mode of machine_mode to shift_mode of
1456 shift_mode. Remove an extra error check.
1457 (emit_a_shift): Adopt to the new calling prototype of
1458 get_shift_alg.
1459 (function_prologue): Fix code for a monitor
1460 function. Support H8/S.
1461 (function_epilogue): Do not output pop for a monitor function.
1463 2001-01-09 Nick Clifton <nickc@redhat.com>
1465 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1466 (setup_incoming_varargs): Use sysv_varargs_p field of the
1467 cfun->machine structure.
1468 (struct machine_function): Move to rs6000.h
1469 (rs6000_save_machine_status): Delete.
1470 (rs6000_restore_machine_status): Delete.
1471 (rs6000_init_machine_status): New Function.
1472 (rs6000_free_machine_status): New Function.
1473 (rs6000_init_expanders): Use new functions.
1475 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1476 export.
1477 (struct machine_function): Move here.
1479 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1480 sysv_varargs_p field of the cfun->machine structure.
1482 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1483 Remove prototype.
1484 (rs6000_restore_machine_status): Remove prototype.
1486 2001-01-09 Richard Henderson <rth@redhat.com>
1488 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1489 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1490 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1491 (sched_analyze_2, sched_analyze_insn): Likewise.
1492 (sched_analyze, init_deps): Likewise.
1493 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1494 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1495 (compute_block_backward_dependences): Update propagate_deps call.
1497 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1499 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1501 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1503 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1504 (cpp_handle_option): Handle them.
1505 (cpp_post_options): Ensure one of -M or -MM is specified with
1506 any other -M? option.
1507 (init_dependency_output): Suppress output with -MG.
1509 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1511 * cpp.texi: Update.
1512 * invoke.texi: Update.
1514 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1516 * sh.md (reload_outsf): Generate recognizable patterns for
1517 TARGET_SH3E.
1519 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1521 * c-lang.c (lang_hooks): Update.
1522 (lang_init): Rename c_init.
1523 (lang_finish): Remove.
1524 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1525 and lang_finish ().
1526 * toplev.h (lang_hooks): Add init () and finish ().
1527 * tree.h (lang_init, lang_finish): Remove.
1528 * cp/tree.h (lang_init, lang_finish): Remove.
1529 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1530 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1531 lang_hooks): New.
1532 (lang_init, lang_finish): Remove.
1533 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1534 (lang_hooks): Update.
1535 * java/lang.c (lang_init): Rename java_init.
1536 (lang_finish): Remove.
1537 (lang_hooks): Update.
1538 * objc/objc-act.c (lang_init): Rename objc_init.
1539 (lang_finish): Remove.
1540 (lang_hoooks): Update.
1542 20001-01-09 Graham Stott <grahams@redhat.com>
1544 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1545 after `ptr` is initialised.
1547 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1549 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1550 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1551 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1552 stack adjusts, instead of r3.
1554 2001-01-09 Michael Hayes <mhayes@redhat.com>
1556 * flow.c (flow_loop_scan): Break out of ...
1557 (flow_loops_find) ... here.
1558 * basic-block.h (flow_loop_scan): New.
1559 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1560 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1562 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1564 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1565 macro_buffer_len.
1566 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1567 realloc()ing macro_buffer.
1569 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1570 if it's wider than long and the target's long is wider than the
1571 host's.
1573 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1575 Remove support for using UWIN as a host machine.
1576 * configure.in: Issue an error message.
1577 * configure: Regenerated.
1578 * config.gcc: Remove xm_* UWIN configury.
1579 * config/i386/xm-uwin.h: Remove.
1581 2001-01-08 Nick Clifton <nickc@redhat.com>
1583 * config/v850/v850.c (ra_rtx): Delete.
1584 (v850_save_machine_status): Delete.
1585 (v850_restore_machine_status): Delete.
1586 (v850_init_machine_status): New function.
1587 (v850_mark_machine_status): New function.
1588 (v850_free_machine_status): New function.
1589 (v850_return_addr): Use ra_rtx field in machine structure.
1590 (v850_init_expanders): Use new functions.
1592 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1593 * config/v850/v850.c: Change arguments to v850_output+* functions
1594 to take a const char *, to avoid compile time warning.
1595 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1596 (USER_LABEL_PREFIX): Redefine.
1598 2000-01-08 Jim Wilson <wilson@redhat.com>
1600 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1601 1 to unsigned HOST_WIDE_INT before left shift.
1603 2001-01-08 Nick Clifton <nickc@redhat.com>
1605 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1606 the machine structure has been allocated.
1607 (arm_free_machine_status): New function: Free the machine
1608 specific function structure.
1610 2001-01-08 Richard Henderson <rth@redhat.com>
1612 * jump.c (simplejump_p): Revert last change.
1614 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1616 * cppinit.c (init): Rename init_library.
1617 (cpp_create_reader): Update.
1618 * gcc.c (cpp_options): If -o given, use it as the target of
1619 any -M options.
1621 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1623 * arm.c (arm_arch5e): New variable.
1624 (all_cores): XScale is a 5TE device.
1625 (arm_override_options): Set arm_arch5e.
1626 (arm_init_builtins): __builtin_prefetch is in arch5e.
1627 * arm.h (arm_arch5e): Declare it.
1629 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1631 * arm.md (define_constants): Add defines for UNSPEC and
1632 UNSPEC_VOLATILE insns. Update all users.
1633 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1634 * arm.c (multi_register_push, note_invalid_constants)
1635 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1636 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1637 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1639 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1641 * jump.c (jump_optimize_1): Use reversed_comparison_code
1642 instead of can_reverse_comparison_p.
1643 (jump_back_p): Likewise.
1644 (invert_exp_1): Likewise.
1645 (thread_jumps): Likewise.
1646 * simplify-rtx.c (simplify_unary_operation): Likewise.
1647 (simplify_ternary_operation): Likewise.
1648 * cse.c (find_comparison_args): Convert to use
1649 can_reverse_comparison_p.
1650 (record_jump_equiv): Likewise.
1652 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1654 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1655 (EPILOGUE_USES): Define.
1656 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1657 automatically stack the LR if it isn't live.
1659 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1661 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1662 properly.
1664 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1666 * ggc-page.c (max_alignment): New structure.
1667 (MAX_ALIGNMENT): New macro.
1668 (init_ggc): Use it to round up the sizes in the
1669 extra_order_size_table.
1671 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1673 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1674 after reload.
1676 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1678 * builtins.def (BUILT_IN_FPRINTF): New entry.
1680 * c-common.c (c_expand_builtin_fprintf): New function.
1681 (init_function_format_info): Handle __builtin_fprintf.
1682 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1683 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1685 * c-decl.c (duplicate_decls): Adjust comment.
1687 * extend.texi (fprintf): Document new builtin.
1689 2001-01-07 Richard Henderson <rth@redhat.com>
1691 * jump.c (simplejump_p): Recognize any single_set jump
1692 of the proper form.
1694 2001-01-07 Richard Henderson <rth@redhat.com>
1696 * configure.in (slibdir): Accept an --with-slibdir option.
1697 Use "test" not "[" in configure. Default to $(libdir).
1699 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1700 fix typo in rm -f.
1701 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1702 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1703 (SHLIB_LINK): Create links for the soname.
1704 * config/mips/t-iris6: Likewise.
1705 * config/sparc/t-slibgcc: Likewise.
1706 * config/sparc/t-slibgcc-sld: Likewise.
1708 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1710 * config/i386/i386.c (constant_call_address_operand): Accept
1711 (const (plus (symbol_ref) (const_int))).
1712 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1713 constant_call_address_operand.
1715 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1717 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1718 and LONG_LONG_TYPE_SIZE > 32.
1720 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1722 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1723 the previous change.
1725 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1727 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1728 New.
1729 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1730 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1731 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1732 Declare.
1734 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1736 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1738 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1740 * c-lang.c (c_post_options): Call cpp_post_options.
1741 * objc/objc-act.c (objc_post_options): Similarly.
1742 * cppmain.c (main): Similarly.
1743 * fix-header.c (read_scan_file): Similarly.
1744 * cppinit.c (cpp_start_read): Move option consistency checks
1745 to cpp_post_options. Don't call init_dependency_output.
1746 If needed, add default target and main file dependency.
1747 (OPT_MD, OPT_MMD): Remove.
1748 (OPT_MF): New.
1749 (cpp_handle_option): Update for OPT_* changes.
1750 (cpp_post_options): New.
1751 (init_dependency_output): Command line -MF overrides environment
1752 variables. Don't set default target etc. Suppress output
1753 if dependencies are going to stdout.
1754 (print_help): Update.
1755 * cpplib.h (cpp_post_options): New.
1756 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1758 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1760 * jump.c (comparison_dominates_p): Support unordered compares.
1762 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1764 * simplify-rtx.c (simplify_relational_operation): Always simplify
1765 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1766 and UNGE.
1768 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1770 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1771 (nonzero_bits): Likewise.
1772 (simplify_comparison): Likewise.
1773 (num_sign_bit_copies): Likewise; return more sane value depending
1774 on STORE_FLAG_VALUE.
1775 (known_cond): Do not assume EQ to be always true for equivalent
1776 operands.
1778 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1780 * cse.c (fold_rtx): Handle unordered comparisons.
1782 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1784 * rtlanal.c (set_of_1): New static function.
1785 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1786 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1787 reg_set_last_last_regno): Remove.
1788 (set_of): New global function.
1789 (set_of_data): New structure.
1790 (reg_set_p, reg_set_last): Revamp for set_of.
1791 * rtl.h (set_of): New.
1793 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1795 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1796 * extend.texi: Document _Exit builtin.
1798 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1800 * (initialize, initialize_builtins,
1801 initialize_dependency_output, initialize_standard_includes):
1802 Rename s/initialize/init. Update.
1803 (init_dependency_output): Move to after
1804 cpp_handle_options, the correct location temporally at least.
1805 (opt_comp): Move next to init (), its caller. Fix prototype.
1806 (init): Make "initialized" local scope.
1807 (cpp_create_reader): Always call init ().
1808 (cpp_start_read): Update.
1809 (output_deps): New function, broken out of cpp_finish.
1810 (cpp_finish): Break out output_deps.
1812 2001-01-07 Richard Henderson <rth@redhat.com>
1814 * collect2.c (COFF specific stuff): Revert 12-06 patch
1815 to prototype system functions.
1817 2001-01-07 Michael Hayes <mhayes@redhat.com>
1819 * hard-reg-set.h: Add multiple include guard.
1820 * basic-block.h (struct loop): Add `sink' field.
1821 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1822 (emit_iv_add_mult): Delete.
1823 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1824 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1825 (unroll_loop): Remove end_insert_before argument.
1826 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1827 (maybe_eliminate_biv_1): Likewise.
1828 (emit_iv_add_mult): Delete.
1829 (gen_add_mult, loop_regs_update): New.
1830 (loop_insn_emit_after, loop_insn_emit_before): New.
1831 (loop_insn_sink, loop_insn_sink_or_swim): New.
1832 (emit_iv_add_mult): Delete.
1833 (scan_loop): Set loop->sink.
1834 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1835 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1836 (maybe_eliminate_biv_1): Likewise.
1837 (maybe_eliminate_biv_1): Add basic block argument.
1838 * unroll.c (unroll_loop): Remove end_insert_before argument.
1839 (find_splittable_regs): Likewise.
1840 (find_splittable_regs): Use loop_insn_sink and its ilk.
1841 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1843 2001-01-07 Michael Hayes <mhayes@redhat.com>
1845 * loop.h (loop_insn_hoist): New prototype.
1846 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1847 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1848 (check_dbra_loop, load_mems): Likewise.
1849 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1850 (find_splittable_givs): Likewise.
1852 2001-01-07 Michael Hayes <mhayes@redhat.com>
1854 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1856 2001-01-07 Richard Henderson <rth@redhat.com>
1858 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1860 2001-01-07 Richard Henderson <rth@redhat.com>
1862 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1863 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1864 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1865 variant that handles a shared libgcc.
1866 (process_command): Always validate -{static,shared}-libgcc.
1867 (do_spec_1): New 'M' case.
1868 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1870 2001-01-07 Richard Henderson <rth@redhat.com>
1872 * Makefile.in (slibdir): New variable.
1873 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1874 (installdirs): Create slibdir.
1875 (install-libgcc, install-multilib): Defer to libgcc.mk.
1876 * configure.in (slibdir): Substitute.
1877 * mklibgcc.in (install): New target.
1879 * config/t-linux (SHLIB_LINK): Create links for the soname.
1880 (SHLIB_INSTALL): New.
1881 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1882 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1883 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1884 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1885 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1887 2001-01-07 Richard Henderson <rth@redhat.com>
1889 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1890 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1891 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1893 2001-01-07 Michael Hayes <mhayes@redhat.com>
1895 * loop.c (count_loop_regs_set): Delete.
1896 (load_mems_and_recount_loop_regs_set): Delete.
1897 (loop_regs_scan): Merge common code from count_loop_regs_set,
1898 scan_loop, and load_mems_and_recount_loop_regs_set.
1899 (scan_loop): Call load_mems directly and loop_regs_scan
1900 again if new registers created.
1902 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1904 * toplev.c (main): Call the front-end specific post_options
1905 hook if one is given.
1906 * toplev.h (struct_lang_hooks, lang_hooks): New.
1907 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1908 for the C front end.
1909 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1910 lang_hooks for the C++ front end.
1911 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1912 lang_hooks for the ObjC front end.
1913 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1914 * java/lang.c (lang_hooks): Hooks for the Java front end.
1916 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1918 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1919 for verbose DWARF[2] debugging.
1920 (cb_define, cb_undef): The new callbacks.
1921 * toplev.h (debug_define, debug_undef): Make const correct.
1922 * toplev.c (debug_define, debug_undef): Similarly. Do not
1923 perform the verbosity tests here anymore.
1925 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1927 * reload.c (subst_reloads): Take INSN argument. When
1928 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1929 * reload.h (subst_reloads): Adjust prototype.
1930 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1931 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1932 present in JUMP_INSNs and copy them to JUMP_LABEL.
1933 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1934 JUMP_INSNs and insns with REG_LABELs that are followed by
1935 JUMP_INSNs with the same REG_LABEL.
1936 * sched-rgn.c (is_cfg_nonregular): Likewise.
1937 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1938 note is available.
1939 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1940 JUMP_INSNs too.
1941 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1943 2001-01-06 Richard Henderson <rth@redhat.com>
1945 * loop.c (scan_loop): Use xcalloc for the regs array.
1946 (load_mems_and_recount_loop_regs_set): Zero the new memory
1947 received from xrealloc.
1949 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1951 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1953 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1955 * integrate.c (copy_rtx_and_substitute): When copying
1956 an ignored return value, strip REG_FUNCTION_VALUE_P.
1958 2001-01-06 Michael Hayes <mhayes@redhat.com>
1960 * loop.c (debug_biv, debug_giv): New.
1961 (loop_biv_dump): Break out from ...
1962 (record_biv): ... here.
1963 (loop_giv_dump): Break out from ...
1964 (record_giv): ... here.
1965 (loop_bivs_check): Use print_simple_rtl.
1966 * unroll.c (loop_iterations): Use print_simple_rtl.
1968 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1970 * pa.md (return, return_internal): Modify patterns to prevent regrename
1971 mucking with the return pointer.
1973 2001-01-05 Richard Henderson <rth@redhat.com>
1975 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1977 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1979 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1980 version supplied by Matteo Frigo.
1982 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1984 * cpp.texi: Update for -MQ.
1985 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1986 (cpp_cleanup): Always free pfile->deps.
1987 (initialize_dependency_output): Don't create pfile->deps.
1988 (cpp_handle_option): Similarly.
1989 (OPT_MQ): New.
1990 * gcc.c (cpp_options): Handle -MQ.
1991 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1992 * mkdeps.c (base_name): Remove.
1993 (deps_init): Don't allocate vector space until it's needed.
1994 (deps_free): Only free vectors if allocated.
1995 (deps_add_target, deps_add_dep): Update for initial allocation.
1996 (deps_add_default_target): Don't strip to the base_name.
1998 2001-01-05 DJ Delorie <dj@redhat.com>
2000 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2001 (INIT_EXPANDERS): Define.
2003 * config/v850/v850.c (struct machine_function): Define.
2004 (v850_save_machine_status): New function.
2005 (v850_restore_machine_status): New function.
2006 (v850_return_addr): New function.
2007 (v850_init_expanders): New function.
2009 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2010 and v850_init_expanders.
2012 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2014 * cpplib.h (struct cpp_reader): Add help_only field.
2015 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2016 (cpp_handle_option): Set pfile->help_only if we see -h,
2017 --help, -target-help, or --version. Print version string but
2018 do not set help_only if we see -v or -version. Make text
2019 printed by -v match that printed by (-)-version.
2021 * cppmain.c (main): Exit after option parsing if
2022 pfile->help_only is true.
2024 * toplev.c (independent_decode_option): Call print_version,
2025 then exit, if we see --version (but not -version).
2026 (print_version): Split lengthy message into two lines.
2028 2001-01-05 Nick Clifton <nickc@redhat.com>
2030 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2031 temporary string for initialisation before calling ggc_alloc_string.
2033 2001-01-06 Michael Hayes <mhayes@redhat.com>
2035 * rtl.h (print_simple_rtl): New.
2036 * print-rtl.c (print_simple_rtl): New.
2037 (flag_simple): New.
2038 (print_rtx): Disable printing of flags and modes, etc.,
2039 if `flag_simple` nonzero.
2041 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2043 * function.c (fixup_var_refs): Use push_to_full_sequence where
2044 possible.
2046 2001-01-05 Michael Meissner <meissner@redhat.com>
2048 * flags.h (flag_reorder_blocks): Add declaration.
2049 (flag_rename_block): Ditto.
2051 2001-01-05 DJ Delorie <dj@redhat.com>
2053 * function.c (reorder_blocks): Make sure the flags are all reset
2054 before using them to mark blocks, else a second invocation will
2055 corrupt the block chain.
2056 (reorder_blocks_0): New, resets the flags.
2058 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2060 * cse.c (find_comparison_args): Stop if the argument is known to
2061 be constant.
2063 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2065 * config/sh/sh.md (movdf): When splitting load into pair of
2066 registers, don't clobber the register used in the address too
2067 early.
2069 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2071 * varasm.c (mark_constant_pool): Improve initial comments.
2072 (mark_constants): Move marking of constants to mark_constant.
2073 (mark_constant): New function to recursively mark all constants
2074 referred to by a constant.
2076 2001-01-05 Catherine Moore <clm@redhat.com>
2078 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2080 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2082 * cp/lang-options.h: Bring comment in line with reality.
2083 * f/lang-options.h: Likewise.
2084 * java/lang-options.h: Likewise.
2085 * objc/lang-options.h: Likewise.
2086 * ch/lang-options.h: Likewise.
2087 * f/g77.texi: And update the manual.
2089 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2090 Denis Chertykov <denisc@overta.ru>
2092 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2093 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2094 * config/avr/avr.md (all peepholes that request a scratch register):
2095 Call it, FAIL the peephole if not safe (in interrupt functions).
2097 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2099 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2101 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2103 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2104 Define.
2105 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2106 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2107 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2108 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2109 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2110 BUILT_IN_CIMAG.
2111 * extend.texi: Document these builtins.
2113 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2115 * c-common.c (lang_get_alias_set): Say we know nothing of
2116 VECTOR_TYPE aliasing.
2118 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2120 2001-01-05 Bruce Korb <bkorb@gnu.org>
2122 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2123 their x* equivalent versions for atexit-less systems
2124 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2125 systems (or any other system any more).
2127 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2129 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2130 output operands. Use arm_hard_register_operand for operand 4.
2131 (stmsi_postinc): Similarly.
2132 (ldmsi): Use arm_hard_register_operand for opernand 2.
2133 (stmsi): Similarly.
2134 * arm.c (arm_hard_register_operand): New function.
2135 * arm-protos.h (arm_hard_register_operand): Prototype it.
2137 * arm.h (HARD_REGNO_RENAME_OK): Define.
2139 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2141 * simplify-rtx.c (cfc_args): add "unordered" field.
2142 (check_fold_consts): Set unordered field.
2143 (simplify_relational_operation): Simplify the unordered
2144 comparisons.
2146 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2147 is valid.
2149 * emit-rtl.c (try_split): Fix code to mark labels.
2150 * jump.c (mark_jump_label): Make global.
2151 * rtl.h (mark_jump_label): Declare.
2153 * predict.c (estimate_probability): Handle unordred comparisons.
2155 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2157 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2158 * cppinit.c (initialize_dependency_output): Update.
2159 (cpp_finish): Output dummy targets for -MP.
2160 (OPT_MP): New.
2161 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2162 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2163 * gcc.c (cpp_options): Update to handle -MP.
2164 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2165 to quote only the default target.
2166 (deps_phony_targets): Insert a preceding newline. Rename from
2167 deps_dummy_targets for consistency.
2168 * mkdeps.h: Update
2170 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2172 * calls.c (emit_library_call_value_1): Support
2173 INIT_CUMULATIVE_LIBCALL_ARGS.
2174 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2176 2001-01-04 Richard Henderson <rth@redhat.com>
2178 * c-decl.c (finish_struct): Detect flexible array members
2179 used in an inappropriate context.
2180 * c-typeck.c (really_start_incremental_init): Special case
2181 constructor_max_index for zero length arrays.
2182 (pop_init_level): Allow initialization of flexible array
2183 members. Deprecate initialization of zero length arrays.
2184 Don't issue missing initializer warning for flexible array
2185 members or zero length arrays.
2186 (process_init_element): Don't dereference null DECL_SIZE.
2187 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2188 Don't abort for empty constructors. Use size_binop
2189 (output_constructor): Add commentary regarding zero length
2190 array futures. Abort if we try to initialize an array of
2191 unspecified length with a non-empty constructor in the middle
2192 of a structure.
2194 * extend.texi (Zero Length): Update and clarify documentation
2195 on static initialization.
2197 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2199 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2200 with more than 32767 words of local storage.
2202 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2204 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2205 for 'abs', 'labs', and 'fabs'.
2206 (c4x_expand_builtin): Likewise.
2207 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2209 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2211 * config/sh/sh.md (prget, prset): New insn types.
2212 (return delay slot): Dont' allow prset.
2213 (call, sfunc delay slot): Don't allow prget.
2214 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2215 for prset and prget.
2217 2001-01-05 Michael Hayes <mhayes@redhat.com>
2219 * loop.h (struct loop_reg): New.
2220 (struct loop_regs): Change to use array of `struct loop_reg'.
2221 * loop.c: Replace assortment of varrays with single regs array.
2222 (count_one_set): Delete may_not_move array argument
2223 and use regs array instead. All caller's changed.
2224 (count_loop_regs_set): Delete may_not_move and single_usage
2225 arguments and use regs array instead. All caller's changed.
2226 (find_single_use_in_loop): Replace usage array argument with pointer
2227 to regs structure. All caller's changed.
2228 (loop_optimize): Delete `moved_once' array.
2230 2001-01-05 Michael Hayes <mhayes@redhat.com>
2232 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2233 Use it instead of loop_info->has_call for scanning loop mems.
2234 (check_dbra_loop): Replace loop_info->has_call test with
2235 loop_info->has_nonconst_call.
2237 2000-01-04 Matthew Hiller <hiller@redhat.com>
2239 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2240 for TARGET_SH3E.
2242 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2244 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2245 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2247 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2249 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2250 (flag_short_double, flag_short_wchar): Define.
2251 (c_common_nodes_and_builtins): Create many tree nodes shared
2252 between C and C++ here instead of in cp/decl.c and ...
2253 * c-decl.c (init_decl_processing): ... here.
2254 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2255 (flag_short_double, flag_short_wchar): Don't define.
2256 (record_builtin_type): New function.
2257 (build_void_list_node): New function.
2258 * c-common.h (flag_short_double, flag_short_wchar,
2259 record_builtin_type, build_void_list_node): Declare.
2261 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2263 * integrate.c (expand_inline_function): Don't put a virtual
2264 register into the reg map.
2266 * function.c (fixup_var_refs_1): If force_operand didn't put
2267 the address into the target, move it there.
2269 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2271 Special-case tree_decl/tree_list allocations.
2272 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2273 (OBJECT_SIZE): New macro.
2274 (NUM_EXTRA_ORDER): Likewise.
2275 (extra_order_size_table): New variable.
2276 (NUM_ORDERS): New macro.
2277 (objects_per_page_table): New variable.
2278 (object_size_table): New variable.
2279 (G.pages): Use NUM_ORDERS to bound the array.
2280 (G.page_tails): Likewise.
2281 (DIV_ROUND_UP): Remove.
2282 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2283 (alloc_page): Use OBJECT_SIZE.
2284 (size_lookup): Don't make it const.
2285 (ggc_alloc): Use OBJECT_SIZE.
2286 (ggc_set_mark): Likewise.
2287 (ggc_get_size): Likewise.
2288 (init_ggc): Set up the object_size_table, objects_per_page_table,
2289 and adjust size_lookup.
2290 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2291 (ggc_pop_context): Use NUM_ORDERS.
2292 (clear_marks): Likewise.
2293 (sweep_pages): Likewise.
2294 (poison_pages): Likewise.
2295 (ggc_print_statistics): Use OBJECT_SIZE.
2297 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2299 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2300 Only call array_size_for_constructor if last field and array type
2301 with no upper bound.
2303 2001-01-04 Philip Blundell <philb@gnu.org>
2305 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2306 from bit 31 downwards, if this requires no more insns.
2307 (count_insns_for_constant): New helper function for above.
2309 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2311 * gencodes.c (output_predicate_decls): Remove empty initializer.
2313 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2315 * tree.c (copy_node): Remove documentation about obstacks.
2316 (buidl1): Check that nobody tries to build 2-argument nodes this
2317 way.
2319 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2321 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2322 fp_high_losum_p.
2324 * gencodes.c (output_predicate_decls): Fill empty initializer
2325 braces.
2327 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2329 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2330 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2331 or -MM.
2332 (do_include): Handle missing headers like cpp0.
2333 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2334 paths with first include pathname. Don't strcat to uninitialized
2335 string.
2337 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2339 * regrename.c (regrename_optimize): Don't rename from frame pointer
2340 if frame_pointer_needed.
2341 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2342 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2343 (ia64_reorg): Use it instead of scheduling if ! optimize.
2344 (errata_emit_nops): Properly call asm_noperands.
2345 (ia64_sched_reorder): Finish cycle if we see an asm.
2346 (ia64_variable_issue): Clear scheduling state after asms.
2348 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2350 * cpp.texi: Update for -MT.
2351 * cppinit.c (initialize_dependency_output): Add a default
2352 target if none has been given already.
2353 (no_tgt, OPT_MT): New.
2354 (cpp_handle_option): Handle -MT. Update -M etc.
2355 * cpplib.h (struct cpp_options): Remove deps_target.
2356 * gcc.c (cpp_options): Handle -MT.
2357 * mkdeps.c (struct deps): Move from mkdeps.h.
2358 (deps_calc_target): Rename deps_add_default_target. Add a
2359 default target if none has been specified already.
2360 * mkdeps.h (struct deps): Move to mkdeps.c.
2361 (deps_calc_target): Rename deps_add_default_target.
2363 2000-01-03 Richard Henderson <rth@redhat.com>
2365 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2366 Remove dead code.
2367 * c-typeck.c (push_init_level): Move checks for flexible array
2368 members and zero length arrays ...
2369 (pop_init_level): ... here. Silently discard empty initializations.
2370 Remove dead code.
2371 * varasm.c (output_constructor): Update for sizeof change to
2372 zero-length arrays.
2374 * extend.texi (Zero Length): Clarify semantics.
2376 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2378 * configure.in (tm.h): Include isns-codes.h last.
2379 * configure: Rebuilt.
2381 2001-01-03 Richard Henderson <rth@redhat.com>
2383 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2384 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2386 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2388 * tradcpp.c (main): Make sure finclude() is called with a valid
2389 indepth value while handling -include.
2391 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2393 * gencodes.c (output_predicate_decls): New function.
2394 (main): Call it.
2395 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2396 even if it is not the first time machmode.h is #included.
2397 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2398 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2399 * gcc.texi (Copyright): Added 2001.
2401 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2403 * c-common.c (c_common_lang_init): New function. Warn if format
2404 warning options which only have effects when used with -Wformat
2405 are used without -Wformat.
2406 * c-common.h (c_common_lang_init): Declare.
2407 * c-lang.c (lang_init): Call c_common_lang_init.
2408 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2410 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2412 * configure.in: Check for the mktemp command.
2413 * configure: Regenerate.
2414 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2415 $TEMP. Create temporary files with mktemp, if available at
2416 configure time; otherwise use set -C. Remove temporary files
2417 before exit.
2419 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2421 * configure.in: Require at least texinfo 4.0. Check for whether
2422 Pod::Man is sufficiently recent to regenerate GCC manpages.
2423 * configure: Regenerate.
2424 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2425 on #!.
2426 (GENERATED_MANPAGES): Define.
2427 (generated-manpages): New target. Depend on cpp.1 as well as
2428 gcov.1.
2429 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2430 configure to generated-manpages or empty) rather than on the
2431 manpages directly. Remove execute permission from installed
2432 gcov.1 as well as cpp.1.
2433 * cpp.1, gcov.1: Regenerate.
2435 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2437 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2438 tree_low_cst. Allow using cmpstrsi in more cases.
2440 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2442 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2443 sized types.
2445 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2447 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2448 * Makefile.in (HOST_CFLAGS): Mention build-make.
2450 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2452 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2453 as JUMP_INSN.
2455 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2457 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2458 a REG rtx.
2460 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2461 callers changed.
2463 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2464 reg_base_value and reg_known_value arrays.
2465 (init_alias_analysis): Add more cases to detect known values.
2466 * sched-deps.c (deps_may_trap_p): New function.
2467 (sched_analyze_2): Use it.
2469 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2471 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2472 don't discard an ASHIFTRT if we're shifting in a wider mode.
2474 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2476 * toplev.c (rest_of_compilation): Don't print basic block information
2477 when CFG isn't up to date.
2479 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2481 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2482 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2483 (UNALIGNED_SHORT_ASM_OP): Define.
2484 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2486 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2488 * fold-const.c (fold_convert): Fix typo.
2490 2001-01-02 Richard Henderson <rth@redhat.com>
2492 * c-common.h (ASM_INPUT_P): New.
2493 * c-parse.in (asm): Set it when needed.
2494 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2495 existance of an operand.
2497 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2499 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2500 (dwarf2out_frame_debug_expr): Likewise.
2501 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2503 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2505 * i386.c (ix86_split_to_parts): Return number of part required;
2506 handle TFmodes.
2507 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2508 TFmodes.
2509 (ix86_split_long_move): Use number of part returned
2510 by ix86_split_to_parts
2511 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2512 New macros.
2513 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2514 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2515 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2516 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2517 (ALIGN_MODE_128): Add TFmode.
2518 (IS_STACK_MODE): Likewise.
2519 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2520 (HARD_REGNO_OK): Support TFmodes.
2521 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2522 * i386.md (scheduler definitions): Use memory operand to determine
2523 fst/fld instructions; use mode attribute to determine real mode of
2524 the instruction.
2525 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2526 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2528 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2530 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2532 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2534 * expr.c (store_constructor_field): Update ALIGN before calling
2535 store_constructor.
2537 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2539 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2540 host_integerp.
2542 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2544 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2545 incomplete type.
2547 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2549 * c-decl.c (start_function): Don't warn on third parameter to main.
2551 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2553 * tsystem.h: Define HAVE_DECL_GETOPT.
2555 2001-01-02 Philip Blundell <pb@futuretv.com>
2557 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2558 of input operand.
2560 2001-01-02 Richard Henderson <rth@redhat.com>
2562 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2564 2001-01-02 Andreas Jaeger <aj@suse.de>
2566 * c-decl.c (c_decode_option): Remove support of
2567 -Wmissing-noreturn.
2569 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2570 (W_options): Add -Wmissing-noreturn here.
2572 * flow.c: Define lang_missing_noreturn_ok_p.
2573 (check_function_return_warnings): Use it.
2575 * c-common.h: Declare lang_missing_noreturn_ok_p.
2577 * c-lang.c (c_missing_noreturn_ok_p): New function.
2578 (lang_init): Set lang_missing_noreturn_ok_p.
2580 * invoke.texi (Warning Options): Document this.
2582 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2584 * extend.texi (C++ Extensions): New node for C++ attributes;
2585 describe init_priority and com_interface.
2586 * invoke.texi: Remove -finit-priority as it now has zero effect.
2587 * install.texi: Fix xref syntax.
2588 * md.texi: Likewise.
2590 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2592 * config.gcc (sparc64-wrs-vxworks*): New case.
2593 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2595 * config/sparc/sparc.c (sparc_override_options): Do support different
2596 pointer and architecture size.
2597 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2598 (POINTERS_EXTEND_UNSIGNED): Define.
2599 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2600 (FUNCTION_MODE): Define to be Pmode.
2601 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2603 * function.c (expand_function_end): Properly handle DECL_RESULT
2604 and copy when ptr_mode != Pmode.
2605 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2607 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2609 * c-common.c (c_common_nodes_and_builtins): Set prototype
2610 parameters for __builtin_fputs, __builtin_fputc and
2611 __builtin_fwrite. Don't declare plain fputc as a builtin.
2613 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2615 * loop.c (add_label_notes): Increment the label usage count when
2616 a note is added to an insn which refers to a CODE_LABEL.
2617 * gcse.c (add_label_notes): Likewise.
2619 2001-01-01 Andreas Jaeger <aj@suse.de>
2621 * loop.c (scan_loop): Use xmalloc to allocate movables.
2623 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2625 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2626 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2627 * reload1.c (REGISTER_MOVE_COST): Likewise.
2628 * regclass.c (REGISTER_MOVE_COST): Likewise.
2629 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2630 dimension. Adjust all users.
2631 (init_reg_sets_1): Iterate on all modes.
2632 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2633 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2634 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2635 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2636 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2637 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2638 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2639 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2640 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2641 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2642 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2643 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2644 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2645 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2646 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2647 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2648 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2649 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2650 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2651 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2652 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2653 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2654 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2655 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2656 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2657 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2658 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2660 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2662 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2663 arg VARIES_P. Call it with extra arg.
2664 (true_dependence): Likewise.
2665 * rtl.h (rtx_addr_can_trap_p): Declare.
2666 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2667 prototypes.
2668 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2669 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2670 pic offset table register if it's zero. All callers changed.
2671 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2673 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2675 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2676 STRING_POOL_ADDRESS_P.
2678 * config/sparc/sparc.c (input_operand): Properly test for short op.
2680 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2681 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2682 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2683 * config/sparc/elf.h: No longer include sol2.h.
2684 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2685 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2687 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2689 2001-01-01 Michael Hayes <mhayes@redhat.com>
2691 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2692 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2693 (record_initial): Likewise.
2694 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2695 (remap_split_bivs): Likewise.
2697 2001-01-01 Michael Hayes <mhayes@redhat.com>
2699 * loop.c (loop_ivs_free): New function.
2700 (strength_reduce): Break out from...
2702 2001-01-01 Michael Hayes <mhayes@redhat.com>
2704 * loop.h (struct iv): New.
2705 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2706 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2707 'reg_biv_class' fields with 'regs' and 'n_regs'.
2708 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2709 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2710 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2712 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2714 * resource.c (mark_referenced_resources): Abort() before
2715 attempting to mark a pseudo register.
2716 (mark_set_resources): Likewise.
2718 2001-01-01 Michael Hayes <mhayes@redhat.com>
2720 * loop.h (REG_IV_CLASS): New accessor macro.
2721 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2722 * unroll.c (REG_IV_CLASS): Likewise.
2724 See ChangeLog.4 for earlier changes.