1 2001-01-24 Will Cohen <wcohen@redhat.com>
3 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4 whether registers are 32 bits or 64 bits in size.
6 2001-01-24 Ben Elliston <bje@redhat.com>
8 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10 2001-01-24 Richard Henderson <rth@redhat.com>
12 * config/alpha/alpha.md (builtin_longjmp_internal): New.
13 (builtin_longjmp): Use it instead of emit_indirect_jump.
15 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
17 * bb-reorder.c (make_reorder_chain_1): Handle case where
18 jump edge goes to the same block as the fallthru edge.
20 2001-01-23 Jim Wilson <wilson@redhat.com>
22 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
23 * frame.h (__ia64_personality_v1): Add prototype.
24 * libgcc2.c (ia64_throw_helper): Change personality declaration to
25 prototype form. Add void * cast to first argument to personality
27 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
28 (asctoe113): Likewise.
29 * config/ia64/frame-ia64.c: Include eh-common.h.
30 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
32 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
34 (itanium_split_issue): Add prototype.
35 (gen_nop_type): Ifdef out.
36 (find_best_packet): Initialize best_packet.
37 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
39 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
40 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
41 (flushrs): Add explicit stop bit at end.
42 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
45 2001-01-23 Chris Demetriou <cgd@broadcom.com>
47 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
49 * libgcc2.c (__terminate_func): Make variable static.
50 (__terminate_set_func): New function to set __terminate_func.
51 * libgcc2.h (__terminate_func_ptr): New typedef.
52 (__terminate_set_func): New function.
54 2001-01-23 Richard Henderson <rth@redhat.com>
56 * flow.c (init_propagate_block_info): Don't consider unchanging
57 memories for dead frame store elimination.
59 2001-01-23 Richard Henderson <rth@redhat.com>
61 * varasm.c (UNIQUE_SECTION): Move default implementation ...
62 * defaults.h: ... here.
64 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
66 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
68 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
70 * c-lex.c (lex_charconst): Fix typo: s/p/str.
72 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
74 * rs6000.h (rs6000_return_addr): Move prototype from here...
75 * rs6000-protos.h (rs6000_return_addr): ...to here.
76 (rs6000_init_expanders): Delete prototype.
78 2001-01-23 Nick Clifton <nickc@redhat.com>
80 * invoke.texi: Replace , with \, inside @gccoptlist macros.
81 (Spec Files): Document %B and %j and %. and %v3 and %M and
82 %{S*&T} spec switches.
84 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
86 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
88 2001-01-23 Chris Demetriou <cgd@sibyte.com>
89 Neil Booth <neil@daikokuya.demon.co.uk>
91 * cpperror.c: Merge handlers of PEDWARN and WARNING.
92 Have -Werror make pedantic warnings errors, like the
95 2001-01-23 Phil Edwards <pme@sources.redhat.com>
97 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
99 2001-01-23 Jakub Jelinek <jakub@redhat.com>
101 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
102 * integrate.c (expand_inline_function): Initialize them.
103 (subst_constants): If changing COMPARE so that both its arguments
104 will be VOIDmode and the comparison mode will be lost, note
105 compare_mode. Use the recorded compare_mode to optimize
108 2001-01-23 Jason Merrill <jason@redhat.com>
110 * dwarf2out.c (new_die): Use xcalloc.
111 (output_die): Abort rather than emit a local reference to offset 0.
113 2001-01-17 Andrew Haley <aph@redhat.com>
115 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
116 of a saved register; return NULL instead.
117 (copy_reg): Take a pointer to a source register rather than a
119 (next_stack_level): Remember the address in the stack frame of all
121 Use the saved register pointer array as the source of the CFA.
122 (throw_helper): Rewrite. Unwind once rather than twice and keep
123 track of saved registers as we go.
125 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
127 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
128 * c4x.c (c4x_legitimize_reload_address): Remove.
129 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
130 reload address for ldp(k) insn.
132 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
134 * pa.md (return_internal): Add a USE of the PIC register to ensure
135 it is restored after each call.
136 (return expander): Corresponding changes.
138 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
140 * rs6000.h (INIT_EXPANDERS): Delete.
141 (RETURN_ADDR_RTX): Call rs6000_return_addr().
142 * rs6000.c (rs6000_override_options): Call *_machine_status from
144 (rs6000_init_expanders): ...instead of here. Delete.
145 (rs6000_mark_machine_status): New function.
146 (rs6000_init_machine_status): Use xcalloc.
147 (rs6000_return_addr): Generate RTX for the return address.
148 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
149 (rs6000_stack_info): Use it.
151 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
153 * gthr-win32.h: Include errno.h to get a declaration for
154 EINVAL and _mingw.h if the target is mingw32.
156 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
158 * cpp.texi: Correct typos.
160 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * explow.c (probe_stack_range): Ensure value passed to
163 stack_check_libfunc is ptr_mode, not Pmode.
165 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
167 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
168 case, don't use operand_subword to calculate a SUBREG that is
171 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
173 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
175 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
176 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
177 valid. If not replace it by equivalent insns.
179 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
181 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
182 contains SYMBOL_REF, LABEL_REF and CONST_INT.
183 (c4x_U_constraint, symbolic_address_operand): Likewise.
184 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
186 (c4x_r11_set_p, c4x_check_laj_p): New functions.
187 * c4x-protos.h (c4x_check_laj_p): Add prototype.
188 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
189 anulling slot because of silicon bug.
190 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
192 2001-01-22 Alan Modra <alan@linuxcare.com.au>
194 * cppexp.c (parse_charconst): Change `mask' type to agree
197 2001-01-21 Richard Henderson <rth@redhat.com>
199 * config/i386/i386.c (ix86_asm_file_end): Disable putting
200 pic_label_name in a linkonce section.
202 2001-01-17 Philipp Thomas <pthomas@suse.de>
204 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
206 * configure: Regenerate.
208 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
210 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
211 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
213 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
215 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
216 If REVERSE nonzero then condition code in X must be reversed.
217 (encode_section_info): Optimise if/else.
218 (avr_function_value): Fix formatting.
220 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
221 (difficult_branch): Likewise.
222 (rvbranch): Likewise.
223 (difficult_rvbranch): Likewise.
225 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
227 * config/avr/libgcc.S: Fix comment.
229 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
231 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
233 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
235 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
237 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
239 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
240 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
241 * configure, config.in: Regenerate.
242 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
243 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
244 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
245 (doprint.o): New rule.
247 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
249 * c-typeck.c (digest_init): Handle boolean types as scalars.
251 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
253 * stmt.c (expand_return): Don't return anything if size is zero.
254 Delete redundant assignment to BYTES.
255 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
257 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
259 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
260 the same as the default library function names.
261 * config/avr/avr.md: Document special characters after '%'.
262 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
263 knowing which of the call-used registers are really clobbered.
264 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
265 New. Both quotient and remainder from one libgcc.S call.
266 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
267 clobber as few registers as possible.
268 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
270 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
272 * cppmacro.c (funlike_invocation_p): Don't move back up to the
273 context of the top of the stack.
275 2001-01-20 Jakub Jelinek <jakub@redhat.com>
277 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
278 (fixup_var_refs_insns): ...here.
280 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
282 * function.c (fixup_var_refs_insns): Break up into
283 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
284 [loop over entire insn list], and fixup_var_refs_insns_with_hash
285 [loop over hash table entries].
286 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
287 fixup_var_refs_insns_with_hash, to match above changes.
289 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
291 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
292 (libgcc.a): Likewise.
293 (stmp-multilib): Likewise.
294 (STAGE2_FLAGS_TO_PASS): Likewise.
296 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
298 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
299 temporary if no_new_pseudos.
301 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
303 * cppinternals.texi: Update.
305 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
307 * arm.c (arm_init_builtins): Re-enable builtins.
309 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
311 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
312 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
313 element to be null, and always expect an EXPR_LIST.
314 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
315 * sched-deps.c (sched_analyze_1): Likewise.
316 * sched-rgn.c (check_live_1, update_live_1): Likewise.
318 * regclass.c (max_set_parallel): New variable.
319 (reg_scan): Take it into account in computation of max_parallel.
320 (reg_scan_mark_refs, case SET): Compute it.
322 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
324 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
325 * function.c (assign_parms): Use INTVAL for a CONST_INT.
327 2001-01-19 Jason Merrill <jason@redhat.com>
329 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
330 for the abstract instance of an inline function.
332 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
333 J"orn Rennecke <amylaar@redhat.com>
335 * reload1.c (move2add_note_store): Treat all registers directly or
336 indirectly derived from a base register as members of the same set
338 (reload_cse_move2add): Adjust accordingly. Take mode and offset
339 of base register into account.
341 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
343 * alias.c (find_base_value): Recognize TRUNCATE.
344 (record_set): In PLUS case, invalidate if other summand is also a
347 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
349 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
350 entry to be EXPR_LIST.
351 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
352 be an EXPR_LIST (but not null, which other code doesn't allow).
353 (note_stores): Properly handle PARALLEL in SET.
354 Recursively call for top-level PARALLEL.
355 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
356 * sched-rgn.c (check_live_1, update_live_1): Likewise.
358 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
360 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
362 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
363 not pfile->skipping (== 0).
365 2001-01-17 Nick Clifton <nickc@redhat.com>
367 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
370 2001-01-17 Jim Wilson <wilson@redhat.com>
372 * invoke.texi (IA-64 options): Improve.
374 2001-01-17 Tom Tromey <tromey@redhat.com>
376 * invoke.texi (Optimize Options): Use `{}' to around @samp
379 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
381 * invoke.texi (-fno-guess-branch-probability): New option.
383 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
385 * combine.c (try_combine): Don't set i3_subst_into_i2 for
386 case of making new double-word constant.
387 Revert last change: instead just test i3_subst_into_i2.
389 2001-01-17 Jakub Jelinek <jakub@redhat.com>
391 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
392 Use q constraints instead of r.
394 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
396 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
397 (machine_function): Define.
398 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
399 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
400 pa_free_machine_status): New functions.
401 (override_options): Set {init,mark,free}_machine_status to above.
402 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
403 PIC_OFFSET_TABLE_REGNUM_SAVED.
404 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
405 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
406 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
407 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
408 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
410 2001-01-15 DJ Delorie <dj@redhat.com>
412 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
416 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
418 * flow.c (propagate_on_insn): Make trying to delete a prologue
419 or epilogue insn an ICE, not a warning. Allow doing this if
420 the current function returns with stack pointer depressed.
422 * combine.c (try_combine): If i3_subst_into_i2, properly check for
423 I3 having more than one SET.
425 2001-01-16 Jim Wilson <wilson@redhat.com>
427 * invoke.texi: Document IA-64 options.
429 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
430 (fixup_errata): Delete TARGET_A_STEP use.
431 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
432 (TARGET_SWITCHES): Delete -ma-step option.
433 * config/ia64/ia64.md (all FP patterns): Delete %B0.
434 (movqicc_astep, movqi_internal_astep, movhicc_astep,
435 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
436 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
437 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
438 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
440 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
441 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
442 cmovsi_internal): Delete ! TARGET_A_STEP check.
444 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
446 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
447 possibility to report bugs via postal mail. Change a URL and
448 merge in a nearly duplicate statement...
449 (Bug Reporting): ...from here.
450 (Service): Refer to the Bug Reporting section instead of
452 (Contributing): Remove trivial explanations concerning snapshots.
454 2001-01-16 Alan Modra <alan@linuxcare.com.au>
456 * cppmain.c (general_init): Don't use ANSI prototype.
458 2001-01-16 Tom Tromey <tromey@redhat.com>
460 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
462 2001-01-16 Richard Henderson <rth@redhat.com>
464 * config/i386/i386.h: Fix comment typo.
465 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
466 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
468 2001-01-16 Phil Edwards <pme@sources.redhat.com>
470 * gcc.c: Revert previous -fsyntax-only-related change; move
473 2001-01-16 Jakub Jelinek <jakub@redhat.com>
475 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
476 inmode after checking GET_CODE (op).
478 2001-01-16 Richard Henderson <rth@redhat.com>
480 * flow.c (struct propagate_block_info): Add mem_set_list_len.
481 (MAX_MEM_SET_LIST_LEN): New.
482 (propagate_one_insn): Update mem_set_list_len.
483 (invalidate_mems_from_autoinc): Likewise.
484 (invalidate_mems_from_set): Likewise.
485 (mark_used_regs): Likewise.
486 (init_propagate_block_info): Likewise. Stop collecting memories
487 when we reach MAX_MEM_SET_LIST_LEN.
488 (mark_set_1): Likewise.
490 2001-01-16 Richard Henderson <rth@redhat.com>
492 * unroll.c (precondition_loop_p): Fail if no iteration
495 2001-01-16 Phil Edwards <pme@sources.redhat.com>
497 * gcc.c: When -fsyntax-only is given, do not complain about
500 2001-01-15 Richard Henderson <rth@redhat.com>
502 * config/i386/i386.c (asm_output_function_prefix): Remove.
503 (ix86_asm_file_end): New.
504 (load_pic_register): Generate pic_label_name into a
505 staticly allocated buffer.
506 * config/i386/i386-protos.h: Update.
507 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
509 * config/i386/i386afe.h: New file.
510 * config.gcc (i?86-*-elf) [tm_file]: Use it.
511 (i?86-*-{freebsd,linux*,moss*}): Likewise.
512 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
513 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
514 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
515 * config/i386/sco5.h (ASM_FILE_END): Likewise.
516 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
518 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
520 * Makefile.in (install-man): Remove explicit dependency on
523 * configure.in, configure: Revert previous patch requiring perl
526 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
528 * toplev.c (flag_guess_branch_prob): New.
529 (f_options): Add guess-branch-probability option.
530 (rest_of_decl_compilation): Only estimate branch probability if
532 (main): set flag_guess_branch_prob.
534 * flags.h (flag_guess_branch_prob): New.
536 2001-01-15 DJ Delorie <dj@redhat.com>
538 * gcc.texi (Makefile): Add documentation for Makefile targets.
540 2001-01-15 Philip Blundell <philb@gnu.org>
542 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
544 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
545 (is_pic): Delete declaration.
546 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
547 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
548 * config/arm/arm.md (builtin_setjmp_receiver): New.
550 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
552 * arm.c (use_return_insn): Don't try to determine the function type
553 until after reload has completed.
554 (arm_output_epilogue): Don't adjust the sp value recovered from the
556 (emit_multi_reg_push): Don't record dwarf information for the pc.
557 * arm.md (eh_epilogue): The function type may have changed, so it
558 needs to be recalculated.
559 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
560 unwind tables on arm/netbsd.
562 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
564 * arm.md (cbranchsi4): Correct calculation of branch ranges.
565 (negated_cbranchsi4): Likewise.
567 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
569 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
570 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
571 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
572 pass -mapcs-* options to assembler.
573 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
574 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
575 (ASM_SPEC): Call subtarget_extra_asm_spec.
577 2001-01-15 Andreas Jaeger <aj@suse.de>
579 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
581 (ix86_expand_builtin): Likewise.
583 * gencodes.c (output_predicate_decls): Make i size_t to avoid
584 warning about comparison between signed and unsigned.
586 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
588 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
590 2001-01-14 Ralf Baechle <ralf@gnu.org>
592 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
593 SUBTARGET_CPP_SPEC apropriatly.
595 2001-01-12 Mark Mitchell <mark@codesourcery.com>
597 * varasm.c (make_decl_rtl): Fix typo in last change.
599 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
601 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
602 linker supports the init_priority C++ attribute.
603 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
604 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
605 linker does not support init_priority C++ attribute.
607 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
609 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
611 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
613 * c-parse.in (finish_parse): Add comment about cpp_destroy.
614 * cp/lex.c (finish_parse): Similarly.
615 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
616 Return the number of errors encountered.
617 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
618 * cppmain.c (main): Don't call cpp_destroy.
620 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
622 * configure.in: Require at least perl 5.6.0 to regenerate
624 * configure: Regenerate.
626 2001-01-14 Richard Henderson <rth@redhat.com>
628 * genrecog.c (DT_veclen_ge): New.
629 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
630 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
631 (nodes_identical_1): Handle DT_veclen_ge.
632 (write_cond, debug_decision_2): Likewise.
634 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
636 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
638 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
640 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
642 * cppmain.c (do_preprocessing): New function; most of the old
644 (main): Call it to do most of the work.
645 (cb): Move from global scope to set_callbacks ().
646 (setup_callbacks): Get the callback pointer.
647 (general_init, printer_init): Clean up code and comments.
649 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
651 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
654 2001-01-14 Kazu Hirata <kazu@hxi.com>
656 * config/h8300/h8300.c (get_shift_alg): Update comments.
658 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
660 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
661 (alloc_page, ggc_alloc): Add casts to remove warnings.
663 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
665 * combine.c (simplify_comparison): Don't change `code' when
666 can't reverse comparison.
668 2001-01-14 Richard Henderson <rth@redhat.com>
670 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
671 update all call sites. Return true for all non-label constants.
673 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
675 * i386.c (ix86_expand_compare): Add bypass_test and second_test
677 (ix86_expand_branch): Update.
678 (ix86_expand_setcc): Update to handle multiple test conditions.
679 (expand_int_movcc): Likewise.
680 (expand_fp_movcc): Likewise.
681 * i386-protos.h (ix86_expand_compare): New.
682 * i386.md (andqi_?_slp, orqi_?_slp): New.
683 (conditional trap expander): Update call to ix86_expand_compare.
685 2001-01-14 Richard Henderson <rth@redhat.com>
687 * config/vax/vax.md: Use nonimmediate_operand instead of
688 general_operand in destinations.
690 * config/vax/vax.md (indirect_jump): Use register_operand.
692 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
693 * config/vax/vax.md (call_pop): Turn into an expander.
694 (call_value_pop): Likewise.
695 (call, call_value): New.
697 2001-01-14 Andreas Jaeger <aj@suse.de>
699 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
701 (ix86_fp_compare_mode): Add unused attribute.
702 (ix86_expand_fp_movcc): Remove unused variable.
703 (ix86_expand_builtin): Make fcode unsigned.
705 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
706 (expand_expr): Add cast to avoid signed warning.
707 (store_field): Likewise.
708 (store_constructor_field): Likewise.
709 (store_constructor): Likewise.
710 (store_expr): Likewise.
711 (clear_storage): Likewise.
712 (emit_group_store): Likewise.
713 (emit_group_load): Likewise.
715 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
717 * c-common.c: Move format checking code to ...
718 * c-format.c: ... here. New file. Reorder some functions and
720 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
722 * c-common.h (decl_handle_format_attribute,
723 decl_handle_format_arg_attribute): Declare.
724 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
725 (c-common.o): Adjust dependencies.
726 (c-format.o): New list of dependencies.
728 2001-01-13 Jakub Jelinek <jakub@redhat.com>
730 * unroll.c (loop_iterations): If we cannot prove iteration variable
731 is set once in each iteration, punt.
733 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
735 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
736 (*strlenhi): Remove clobber (which was buggy) of output address.
738 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
740 * Makefile.in (generated-manpages): Add gcc.1
741 ($(srcdir)/gcc.1): New target.
742 (maintainer-clean): Delete $(srcdir)/gcc.1.
743 * gcc.texi: Add macros @gccoptlist and @gol.
744 * invoke.texi: Include option summary in manpage. Mark up option
745 summary with @gccoptlist and @gol. Use @r in one place where
747 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
748 * gcc.1: Generate from invoke.texi.
750 2001-01-13 Richard Henderson <rth@redhat.com>
752 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
753 (struct page_entry): Add group member.
754 (struct page_group): New.
755 (struct globals): Add page_groups member.
756 (alloc_anon): Only define for using mmap; remove valloc call.
757 (page_group_index): New.
758 (set_page_group_in_use): New.
759 (clear_page_group_in_use): New.
760 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
761 (free_page, release_pages): Likewise.
762 * configure.in (with-gc): Default to ggc-page always.
764 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
766 * reload1.c (replace_pseudos_in_call_usage): Use
767 reg_equiv_constant and reg_equiv_address, and don't try
770 2001-01-13 Richard Henderson <rth@redhat.com>
772 * ggc-page.c (alloc_page): Round up allocation size to one page.
773 Set e->order on extra pages.
775 2001-01-13 Richard Henderson <rth@redhat.com>
777 * genrecog.c (nodes_identical): Expand commentary.
778 (write_switch): Watch out for identical nodes.
780 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
782 * cppfiles.c (_cpp_fake_include): New function.
783 * cpphash.h (_cpp_fake_include): New.
784 * cpplib.c (do_line): Call _cpp_fake_include when entering
785 header files in preprocessed input.
786 * cppmain.c (cb_pragma_implementation): Remove handling.
787 (setup_callbacks): Don't register pragmas.
789 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
791 * extend.texi: Udate for CPP.
793 2001-01-13 Andreas Jaeger <aj@suse.de>
795 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
797 * regmove.c: Add prototype for replace_in_call_usage.
799 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
801 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
802 struct cpp_chunk, struct htab, struct toklist,
803 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
804 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
805 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
806 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
807 (struct macro_args): Delete.
808 * cpphash.h: See above.
810 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
812 * cppmain.c (struct printer): Remove no_line_dirs.
814 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
815 : Use options rather than CPP_OPTION.
816 (setup_callbacks): Use cb rather than pfile->cb.
817 (main): No need to check for a buffer. Use cpp_errors.
818 (printer_init): Don't set no_line_dirs.
819 (maybe_print_line): Use options not no_line_dirs.
820 (cb_file_change): Don't call print_line if -P.
822 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
824 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
826 * c-parse.in (finish_parse): Use cpp_errors.
827 (__yylex): Use return value of cpp_pop_buffer.
828 * cp/lex.c (finish_parse): Use cpp_errors.
829 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
831 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
833 * README.AVR: URLs corrected.
835 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
837 * c-decl.c (start_function): Don't warn if old prototype is builtin
838 that's not in C's namespace.
839 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
840 (_bb): Add prototype for ctime.
841 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
843 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
845 * i386.c (ix86_fp_comparison_arithmetics_cost,
846 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
847 ix86_fp_comparison_cost): New functions.
848 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
849 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
850 two-branch sequences; make static.
851 (ix86_use_fcomi_compare): Do decision according to the costs.
852 (split_fp_branch): New.
853 * i386.md (compare-and-branch patterns): Use split_fp_branch.
854 * i386-protos.h (ix86_expand_fp_compare): Remove
855 (ix86_split_fp_branch): Declare.
857 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
858 and ix86_comparison_operator.
860 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
863 * i386.c (put_condition_code): Output properly the unordered/ordered
865 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
867 * tm.texi (REVERSE_CONDITION): Document.
868 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
870 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
872 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
874 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
876 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
879 * config/sh/sh.c (mova_p): Fix test for mova_const.
881 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
883 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
884 cpp_get_options rather than dereferencing pfile and using
886 * scan-decls.c (scan_decls): Use return value of
887 cpp_pop_buffer rather than CPP_BUFFER.
889 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
891 * cppinit.c (cpp_handle_option): help_only is now part of the
892 cpp_options structure.
893 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
894 cpp_set_callbacks): New functions.
895 * cpplib.h (cpp_callbacks): Break out as a named structure.
896 (cpp_options): Move help_only here from cpp_reader.
897 (CPP_FATAL_ERRORS): Update to use cpp_errors.
898 (cpp_errors, cpp_get_options, cpp_get_callbacks,
899 cpp_set_callbacks): New prototypes.
900 * cppmain.c (main): Update for help_only.
902 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
904 * Makefile.in (info, maintainer-clean, install-info, uninstall):
905 Also build and remove and install and uninstall c-tree.info and
907 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
908 ($(srcdir)/cppinternals.info): New target.
909 * c-tree.texi: Change file name used when makeinfo used without -o
910 from ir.info to c-tree.info. Add info directory entry.
911 * cppinternals.texi: Add info directory entry.
912 * .cvsignore: Update.
914 2001-01-12 Jakub Jelinek <jakub@redhat.com>
916 * c-typeck.c (store_init_value): Don't require constant initializer
917 elements with -pedantic -std=c99.
918 (digest_init): Change error about non-constant initializer elements
920 (constructor_range_end): Remove.
921 (constructor_incremental, designator_depth,
922 designator_errorneous): New variables.
923 (struct constructor_stack): Remove range_end, add incremental.
924 (struct constructor_range_stack, constructor_range_stack): New.
925 (struct initializer_stack): Add constructor_range_stack.
926 (finish_init): Set it.
927 (start_init): Likewise. require_constant_elements for non-static
928 trees only if not flag_isoc99.
929 (really_start_incremental_init): Remove constructor_range_end, add
930 constructor_incremental.
931 (pop_init_level): Likewise.
932 (push_init_level): Likewise. If implicit and the subobject had some
933 value set already, preinitialize the level with it.
934 Warn about missing braces only if not pushing due to designators.
935 (set_designator, push_range_stack): New functions.
936 (set_init_label): Use them.
937 (set_init_index): Likewise. Remove constructor_range_end.
938 Error if designator index is outside of array bounds.
939 (add_pending_init): Compare values of purpose index trees, not the
940 trees themselves. Allow overwriting of already initialized element.
941 Issue a warning if it had side-effects.
942 (set_nonincremental_init, set_nonincremental_init_from_string): New
944 (pending_init_member): Rename to...
945 (find_init_member): ...this function. Call set_nonincremental_init
946 if necessary. Compare values of purpose index trees, not the trees
947 themselves. Return the actual value, not just non-zero if something
949 (output_init_element): Remove checks for duplicates.
950 If field has zero size, only check the initializer for correctness.
951 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
952 if constructor_incremental is zero. Change error about initializers
953 not computable at load time into pedwarn.
954 (output_pending_init_elements): Compare bit positions, not
955 FIELD_DECLs to take into account zero-sized fields.
956 (process_init_element): Use constructor_range_stack to fill all
957 ranges in the designator lists from current level up.
958 * extend.texi: Update documentation for labeled elements.
960 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
962 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
963 to function usage for arguments passed by reference. Optimize
964 callee-copied arguments.
965 * regmove.c (replace_in_call_usage): New function.
966 (fixup_match_1): Call it.
967 * cse.c (cse_insn): Canonicalize registers in function usage.
968 * reload1.c (replace_pseudos_in_call_usage): New function.
971 * Makefile.in: Reverted yesterday's wrong patch. Installed the
974 2001-01-12 Jakub Jelinek <jakub@redhat.com>
976 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
979 2001-01-12 DJ Delorie <dj@redhat.com>
981 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
982 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
985 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
987 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
988 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
989 -std options alongside references to -ansi. Update some
990 documentation for C99.
993 2001-01-12 Andreas Jaeger <aj@suse.de>
995 * haifa-sched.c (restore_line_notes): Remove argument block B
997 * sched-ebb.c (schedule_ebb): Change caller.
998 * sched-rgn.c (schedule_region): Likewise.
999 * sched-int.h (restore_line_notes): Adjust prototype.
1001 * loop.h: Remove wrong declaration of doloop_condition_get.
1003 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1005 * extend.texi: Move C++-extension-related node from the C section
1006 into the C++ section.
1008 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1010 * extend.texi: Refer to an array of pointers to functions instead
1011 of one of functions.
1013 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1014 Jan Hubicka <jh@suse.cz>
1016 * combine.c (reversed_comparison): Fix typo in last patch.
1018 (combine_reversed_comparison_code): Make static to follow
1019 prototype declaration.
1021 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1023 * install.texi: Remove misplaced duplicate entry.
1025 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1027 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1029 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1031 * final.c: (leaf_function_p): Fix typo.
1033 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1035 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1036 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1038 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1039 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1040 mmap_anon, and valloc is available.
1041 * ggc-page.c: Restructure ifdef logic to match new autoconf
1042 spec. Don't throw away the test page in init_ggc.
1044 * configure, config.in: Regenerate.
1046 2001-01-12 Michael Hayes <mhayes@redhat.com>
1048 * loop.h (total_biv_increment): Constify iv_class pointer.
1049 (struct induction): Replace `mem_mode' with `mem' rtx.
1050 * unroll.c (total_biv_increment): Constify iv_class pointer.
1051 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1052 (find_mem_givs, combine_givs_p): Likewise.
1053 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1055 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1057 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1059 (__gthread_getspecific): Ditto.
1061 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1063 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1064 put_condition_code): Convert fp comparison codes to integer
1066 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1069 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1070 * i386-protos.h (no_comparison_operator): Kill.
1072 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1074 * combine.c (REVERSIBLE_CC_MODE): Remove.
1075 (reversible_comparison_p): Remove.
1076 (combine_reversed_comparison_code): New.
1077 (reversed_comparison): New.
1078 (combine_simplify_rtx): Use
1079 combine_reversed_comparison_code/reversed_comparison instead
1080 of reversible_comparison_p.
1081 (simplify_if_then_else): Likewise.
1082 (simplify_set): Likewise.
1083 (simplify_logical): Likewise.
1084 (if_then_else_cond): Likewise.
1085 (known_cond): Likewise.
1086 (simplify_comparison): Likewise.
1088 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1090 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1091 sizeof (int) is larger than sizeof(__word__).
1093 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1095 * cppinit.c (do_includes): Fix typo.
1097 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1099 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1100 in S_REGS does not occur because not all sources are possible
1101 when a S_REGS is a destination (sometimes needs a clobber).
1102 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1103 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1104 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1105 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1106 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1107 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1108 (lshrdi_const1, lshrsi3_const16): Likewise.
1109 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1110 (*movhi_68hc12, *movqi_68hc12): Likewise.
1111 (movstrictqi): Make sure reloading in D_REGS as a destination
1114 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1116 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1118 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1120 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1121 -D, -U and -A, and don't initialize the builtins.
1122 (do_includes): Error if -include or -imacros with -fpreprocessed.
1123 * cppmain.c (cb_define, cb_undef): Unconditionally process
1125 * tradcpp.c (main): Fix typo.
1127 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1129 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1130 (read_name_map): Use IS_ABSOLUTE_PATH.
1131 * tradcpp.c (get_filename): Likewise.
1133 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1135 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1136 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1137 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1138 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1139 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1140 (cmphi_z_used): Don't use '@' for the output.
1141 (tstqi_z_used): Likewise.
1142 (cmpqi_z_used): Likewise.
1143 (one_cmplsi2): Likewise.
1145 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1147 * config/sh/sh.c (barrier_align): Recognize branch around far
1148 branch and redundant insn.
1150 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1152 * invoke.texi: Restore documentation of the drivers' switches -MD
1155 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1157 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1159 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1160 check-objc//%): Support parallel testing of multilibs.
1161 (TESTSUITEDIR): Set to testsuite by default, but override for
1163 (check-gcc, check-g++, check-g77, check-objc): Enter
1166 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1168 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1169 * sched-deps.c (deps_may_trap_p): Likewise.
1170 * basic-block.h: Remove a comment.
1171 * flow.c (PROP_POSTRELOAD): Remove.
1172 (update_life_info): Don't add it to prop_flags.
1173 (mark_set_1): Lose the code that was enabled by it.
1175 2001-01-11 Michael Hayes <mhayes@redhat.com>
1177 * flow.c (flow_call_edges_add): New.
1178 * basic_block.h (flow_call_edges_add): New.
1180 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1182 * reload1.c (move2add_note_store): Update reg_set_luid even if
1183 base reg remains the same.
1185 2001-01-10 Nick Clifton <nickc@redhat.com>
1187 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1188 machine_function structure to zero.
1189 Add prototypes for machine_status functions.
1191 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1193 * c-common.h (CTI_VOID_LIST): Remove.
1194 (void_list_node): Likewise.
1195 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1196 (void_list_node): New macro.
1197 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1198 * config/i386/i386.c (ix86_init_builtins): Likewise.
1199 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1201 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1203 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1204 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1206 * tradcpp.c: Include mkdeps.h.
1207 (deps, print_deps_phony_targets, deps_append, output_deps,
1208 init_dependency_output, output_deps): New.
1209 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1210 deps_output): Delete.
1211 (print_deps_missing_files): Rename deps_missing_files.
1212 (inhibit_output): Make global.
1213 (main): Delete inhibit_output, deps_stream, deps_target.
1214 Use mkdeps functionality in the same way as cpplib. Remove
1215 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1216 -M and -MM. Remove old handling of deps via deps_out, and
1217 old reading of environment variables.
1218 (get_filename): Update to use deps_add_dep.
1220 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1222 * output.h (make_function_rtl): Remove prototype.
1223 (make_decl_rtl): Likewise.
1224 * varasm.c (make_function_rtl): Remove.
1225 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1226 than from a third parameter.
1227 * tree.h (make_decl_rtl): Remove last parameter.
1228 * c-decl.c (builtin_function): Remove last argument in call to
1229 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1230 (start_function): Likewise.
1231 * except.c (call_get_eh_context): Likewise.
1232 * expr.c (emit_block_move): Likewise.
1233 (clear_storage): Likewise.
1234 * profile.c (output_func_start_profiler): Likewise.
1235 * toplev.c (rest_of_decl_compilation): Likewise.
1236 * objc/objc-act.c (create_builtin_decl): Likewise.
1237 (synth_module_prologue): Likewise.
1238 (generate_static_reference): Likewise.
1239 (build_selector_reference_decl): Likewise.
1240 (build_class_reference_decl): Likewise.
1241 (build_objc_string_decl): Likewise.
1242 (build_protocol_reference): Likewise.
1244 2001-01-10 Richard Henderson <rth@redhat.com>
1246 * hwint.h: Revert yesterday's change.
1248 2001-01-10 Nick Clifton <nickc@redhat.com>
1250 * function.h (save_machine_status): Delete.
1251 (restore_machine_status): Delete.
1252 Amend comment describing {init|mark|free}_machine_status.
1254 * function.c (save_machine_status): Delete.
1255 (restore_machine_status): Delete.
1256 Amend comment describing {init|mark|free}_machine_status.
1257 (push_function_context_to): Remove invocation of
1258 save_machine_status.
1259 (pop_function_context_from): Remove invocation of
1260 restore_machine_status.
1262 * emit-rtl.c (init_emit_once): Amend comment describing
1263 {init|mark|free}_machine_status.
1265 * tm.texi (Per-Function Data): New node. Describe the
1266 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1269 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1271 * cppinit.c (OPT_g): Remove.
1272 (cpp_handle_option): Update for removed -g3.
1273 (print_help): Update.
1274 * cpplib.h (struct cpp_options): Remove debug_output.
1275 * cppmain.c (setup_callbacks, cb_define): Update.
1276 * gcc.c (cpp_options): Translate -g3 to -dD.
1278 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1280 * config/i960/i960.md: Change modifier to + on the zero_extract
1281 pattern after the (rotate -2 reg) canonicalization pattern.
1283 2001-01-10 Richard Henderson <rth@redhat.com>
1285 * config/alpha/alpha.c (alpha_free_machine_status): New.
1286 (override_options): Install it.
1287 (alpha_mark_machine_status): Verify machine non-null.
1288 * config/i386/i386.c (ix86_free_machine_status): New.
1289 (override_options): Install it.
1290 (ix86_init_machine_status): Use xcalloc.
1291 (ix86_mark_machine_status): Verify machine non-null.
1292 * config/ia64/ia64.c (ia64_free_machine_status): New.
1293 (ia64_override_options): Install it.
1294 (ia64_mark_machine_status): Verify machine non-null.
1296 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1298 * function.c (instantiate_virtual_regs): Instantiate virtual
1299 registers found in CALL_INSN_FUNCTION_USAGE.
1301 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1303 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1304 equivalent to -ansi in disabling -Di386.
1306 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1308 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1310 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1312 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1314 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1316 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1318 * invoke.texi: Document that -fcond-mismatch isn't supported for
1321 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1323 * gcc.texi: Define macro gcctabopt.
1324 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1325 @command, @env and @option in some places where appropriate. Use
1326 @gcctabopt where appropriate. Put URLs and email addresses inside
1329 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1331 * gcc.c (cpp_options): Set MD file name from output
1332 filename, if specified.
1333 (suffix_subst): New static variable.
1334 (do_spec): Clear it.
1335 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1337 (give_switch): Handle suffix_subst.
1339 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1341 * invoke.texi: Fix another typo.
1343 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1345 * invoke.texi: Fix typo.
1347 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1349 * c-lang.c (lang_hooks): Update.
1350 (lang_decode_option): Remove.
1351 (lang_init_options): Rename c_init_options.
1352 * toplev.c (main): Use lang_hooks for lang_init_options
1353 and lang_decode_option.
1354 * toplev.h (lang_hooks): Add 2 new hooks.
1355 * tree.h: Remove lang_init_options and lang_decode_option.
1356 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1357 * cp/decl2.c: Similarly.
1358 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1359 (lang_hooks): Update.
1360 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1362 (lang_init_options): Rename ffe_init_options.
1363 (lang_hooks): Update.
1364 (lang_decode_option): Remove.
1365 * java/lang.c (lang_init_options): Rename java_init_options.
1366 (lang_decode_option): Rename java_decode_option.
1367 (lang_hooks): Update.
1368 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1369 (lang_decode_option): Rename objc_decode_option.
1370 (lang_hooks): Update.
1372 2001-01-09 Nick Clifton <nickc@redhat.com>
1374 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1375 (d30v_return_addr_rtx): Delete.
1376 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1377 cfun->machine structure.
1378 (struct machine_function): Move to d30v.h
1379 (d30v_save_machine_status): Delete.
1380 (d30v_restore_machine_status): Delete.
1381 (d30v_init_machine_status): New Function.
1382 (d30v_mark_machine_status): New Function.
1383 (d30v_free_machine_status): New Function.
1384 (d30v_init_expanders): Use new functions.
1385 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1386 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1387 d30v_return_addr_rtx.
1389 * config/d30v/d30v.h (struct_machine): Move here.
1390 Add eh_epilogue_sp_ofs field.
1392 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1393 field in cfun->machine structure.
1395 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1397 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1398 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1399 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1401 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1403 * objc/lang-options.h: Remove bogus reference to
1406 2001-01-09 Kazu Hirata <kazu@hxi.com>
1408 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1411 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1413 * reload.c (find_reloads_address): Check for eliminable registers
1414 when substituting a constant expression for a pseudo.
1416 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1418 * c-common.c (enum format_type): Add format_type_error.
1419 (decode_format_type): New function.
1420 (decl_attributes): Use it.
1421 (format_kind_info): Adjust comment.
1423 2001-01-09 David O'Brien <obrien@BSDi.com>
1425 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1426 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1428 * config/i386/gnu.h: Don't include required platform specific .h files,
1429 tm.h will do it instead.
1430 * config/i386/i386elf.h: Likewise.
1431 * config/i386/linux.h: Likewise.
1432 * config/i386/moss.h: Likewise.
1433 * config/mips/gnu.h: Likewise.
1435 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1437 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1438 (rs6000-ibm-aix3.[01]*): Likewise.
1439 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1440 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1441 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1442 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1443 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1444 (powerpc-*-eabiaix*): Likewise.
1445 (powerpc-*-eabisim*): Likewise.
1446 (powerpc-*-elf*): Likewise.
1447 (powerpc-*-eabi*): Likewise.
1448 (powerpc-*-rtems*): Likewise.
1449 (powerpc-*-linux*libc1): Likewise.
1450 (powerpc-*-linux*): Likewise.
1451 (powerpc-wrs-vxworks*): Likewise.
1452 (powerpcle-wrs-vxworks*): Likewise.
1453 (powerpcle-*-sysv*): Likewise.
1454 (powerpcle-*-elf*): Likewise.
1455 (powerpcle-*-eabisim*): Likewise.
1456 (powerpcle-*-eabi*): Likewise.
1457 (powerpcle-*-solaris2*): Likewise.
1458 * config/rs6000/aix31.h: Delete includes.
1459 * config/rs6000/aix3newas.h: Likewise.
1460 * config/rs6000/aix41.h: Likewise.
1461 * config/rs6000/aix43.h: Likewise.
1462 * config/rs6000/beos.h: Likewise.
1463 * config/rs6000/rtems.h: Likewise.
1464 * config/rs6000/sysv4.h: Likewise.
1466 2001-01-09 Kazu Hirata <kazu@hxi.com>
1468 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1469 Change an argument mode of machine_mode to shift_mode of
1470 shift_mode. Remove an extra error check.
1471 (emit_a_shift): Adopt to the new calling prototype of
1473 (function_prologue): Fix code for a monitor
1474 function. Support H8/S.
1475 (function_epilogue): Do not output pop for a monitor function.
1477 2001-01-09 Nick Clifton <nickc@redhat.com>
1479 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1480 (setup_incoming_varargs): Use sysv_varargs_p field of the
1481 cfun->machine structure.
1482 (struct machine_function): Move to rs6000.h
1483 (rs6000_save_machine_status): Delete.
1484 (rs6000_restore_machine_status): Delete.
1485 (rs6000_init_machine_status): New Function.
1486 (rs6000_free_machine_status): New Function.
1487 (rs6000_init_expanders): Use new functions.
1489 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1491 (struct machine_function): Move here.
1493 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1494 sysv_varargs_p field of the cfun->machine structure.
1496 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1498 (rs6000_restore_machine_status): Remove prototype.
1500 2001-01-09 Richard Henderson <rth@redhat.com>
1502 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1503 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1504 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1505 (sched_analyze_2, sched_analyze_insn): Likewise.
1506 (sched_analyze, init_deps): Likewise.
1507 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1508 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1509 (compute_block_backward_dependences): Update propagate_deps call.
1511 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1513 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1515 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1517 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1518 (cpp_handle_option): Handle them.
1519 (cpp_post_options): Ensure one of -M or -MM is specified with
1520 any other -M? option.
1521 (init_dependency_output): Suppress output with -MG.
1523 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1526 * invoke.texi: Update.
1528 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1530 * sh.md (reload_outsf): Generate recognizable patterns for
1533 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1535 * c-lang.c (lang_hooks): Update.
1536 (lang_init): Rename c_init.
1537 (lang_finish): Remove.
1538 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1540 * toplev.h (lang_hooks): Add init () and finish ().
1541 * tree.h (lang_init, lang_finish): Remove.
1542 * cp/tree.h (lang_init, lang_finish): Remove.
1543 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1544 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1546 (lang_init, lang_finish): Remove.
1547 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1548 (lang_hooks): Update.
1549 * java/lang.c (lang_init): Rename java_init.
1550 (lang_finish): Remove.
1551 (lang_hooks): Update.
1552 * objc/objc-act.c (lang_init): Rename objc_init.
1553 (lang_finish): Remove.
1554 (lang_hoooks): Update.
1556 20001-01-09 Graham Stott <grahams@redhat.com>
1558 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1559 after `ptr` is initialised.
1561 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1563 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1564 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1565 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1566 stack adjusts, instead of r3.
1568 2001-01-09 Michael Hayes <mhayes@redhat.com>
1570 * flow.c (flow_loop_scan): Break out of ...
1571 (flow_loops_find) ... here.
1572 * basic-block.h (flow_loop_scan): New.
1573 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1574 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1576 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1578 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1580 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1581 realloc()ing macro_buffer.
1583 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1584 if it's wider than long and the target's long is wider than the
1587 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1589 Remove support for using UWIN as a host machine.
1590 * configure.in: Issue an error message.
1591 * configure: Regenerated.
1592 * config.gcc: Remove xm_* UWIN configury.
1593 * config/i386/xm-uwin.h: Remove.
1595 2001-01-08 Nick Clifton <nickc@redhat.com>
1597 * config/v850/v850.c (ra_rtx): Delete.
1598 (v850_save_machine_status): Delete.
1599 (v850_restore_machine_status): Delete.
1600 (v850_init_machine_status): New function.
1601 (v850_mark_machine_status): New function.
1602 (v850_free_machine_status): New function.
1603 (v850_return_addr): Use ra_rtx field in machine structure.
1604 (v850_init_expanders): Use new functions.
1606 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1607 * config/v850/v850.c: Change arguments to v850_output+* functions
1608 to take a const char *, to avoid compile time warning.
1609 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1610 (USER_LABEL_PREFIX): Redefine.
1612 2000-01-08 Jim Wilson <wilson@redhat.com>
1614 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1615 1 to unsigned HOST_WIDE_INT before left shift.
1617 2001-01-08 Nick Clifton <nickc@redhat.com>
1619 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1620 the machine structure has been allocated.
1621 (arm_free_machine_status): New function: Free the machine
1622 specific function structure.
1624 2001-01-08 Richard Henderson <rth@redhat.com>
1626 * jump.c (simplejump_p): Revert last change.
1628 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1630 * cppinit.c (init): Rename init_library.
1631 (cpp_create_reader): Update.
1632 * gcc.c (cpp_options): If -o given, use it as the target of
1635 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1637 * arm.c (arm_arch5e): New variable.
1638 (all_cores): XScale is a 5TE device.
1639 (arm_override_options): Set arm_arch5e.
1640 (arm_init_builtins): __builtin_prefetch is in arch5e.
1641 * arm.h (arm_arch5e): Declare it.
1643 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1645 * arm.md (define_constants): Add defines for UNSPEC and
1646 UNSPEC_VOLATILE insns. Update all users.
1647 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1648 * arm.c (multi_register_push, note_invalid_constants)
1649 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1650 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1651 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1653 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1655 * jump.c (jump_optimize_1): Use reversed_comparison_code
1656 instead of can_reverse_comparison_p.
1657 (jump_back_p): Likewise.
1658 (invert_exp_1): Likewise.
1659 (thread_jumps): Likewise.
1660 * simplify-rtx.c (simplify_unary_operation): Likewise.
1661 (simplify_ternary_operation): Likewise.
1662 * cse.c (find_comparison_args): Convert to use
1663 can_reverse_comparison_p.
1664 (record_jump_equiv): Likewise.
1666 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1668 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1669 (EPILOGUE_USES): Define.
1670 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1671 automatically stack the LR if it isn't live.
1673 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1675 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1678 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1680 * ggc-page.c (max_alignment): New structure.
1681 (MAX_ALIGNMENT): New macro.
1682 (init_ggc): Use it to round up the sizes in the
1683 extra_order_size_table.
1685 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1687 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1690 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * builtins.def (BUILT_IN_FPRINTF): New entry.
1694 * c-common.c (c_expand_builtin_fprintf): New function.
1695 (init_function_format_info): Handle __builtin_fprintf.
1696 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1697 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1699 * c-decl.c (duplicate_decls): Adjust comment.
1701 * extend.texi (fprintf): Document new builtin.
1703 2001-01-07 Richard Henderson <rth@redhat.com>
1705 * jump.c (simplejump_p): Recognize any single_set jump
1708 2001-01-07 Richard Henderson <rth@redhat.com>
1710 * configure.in (slibdir): Accept an --with-slibdir option.
1711 Use "test" not "[" in configure. Default to $(libdir).
1713 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1715 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1716 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1717 (SHLIB_LINK): Create links for the soname.
1718 * config/mips/t-iris6: Likewise.
1719 * config/sparc/t-slibgcc: Likewise.
1720 * config/sparc/t-slibgcc-sld: Likewise.
1722 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1724 * config/i386/i386.c (constant_call_address_operand): Accept
1725 (const (plus (symbol_ref) (const_int))).
1726 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1727 constant_call_address_operand.
1729 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1731 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1732 and LONG_LONG_TYPE_SIZE > 32.
1734 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1736 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1737 the previous change.
1739 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1741 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1743 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1744 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1745 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1748 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1750 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1752 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1754 * c-lang.c (c_post_options): Call cpp_post_options.
1755 * objc/objc-act.c (objc_post_options): Similarly.
1756 * cppmain.c (main): Similarly.
1757 * fix-header.c (read_scan_file): Similarly.
1758 * cppinit.c (cpp_start_read): Move option consistency checks
1759 to cpp_post_options. Don't call init_dependency_output.
1760 If needed, add default target and main file dependency.
1761 (OPT_MD, OPT_MMD): Remove.
1763 (cpp_handle_option): Update for OPT_* changes.
1764 (cpp_post_options): New.
1765 (init_dependency_output): Command line -MF overrides environment
1766 variables. Don't set default target etc. Suppress output
1767 if dependencies are going to stdout.
1768 (print_help): Update.
1769 * cpplib.h (cpp_post_options): New.
1770 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1772 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1774 * jump.c (comparison_dominates_p): Support unordered compares.
1776 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1778 * simplify-rtx.c (simplify_relational_operation): Always simplify
1779 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1782 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1784 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1785 (nonzero_bits): Likewise.
1786 (simplify_comparison): Likewise.
1787 (num_sign_bit_copies): Likewise; return more sane value depending
1788 on STORE_FLAG_VALUE.
1789 (known_cond): Do not assume EQ to be always true for equivalent
1792 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1794 * cse.c (fold_rtx): Handle unordered comparisons.
1796 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1798 * rtlanal.c (set_of_1): New static function.
1799 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1800 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1801 reg_set_last_last_regno): Remove.
1802 (set_of): New global function.
1803 (set_of_data): New structure.
1804 (reg_set_p, reg_set_last): Revamp for set_of.
1805 * rtl.h (set_of): New.
1807 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1809 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1810 * extend.texi: Document _Exit builtin.
1812 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1814 * (initialize, initialize_builtins,
1815 initialize_dependency_output, initialize_standard_includes):
1816 Rename s/initialize/init. Update.
1817 (init_dependency_output): Move to after
1818 cpp_handle_options, the correct location temporally at least.
1819 (opt_comp): Move next to init (), its caller. Fix prototype.
1820 (init): Make "initialized" local scope.
1821 (cpp_create_reader): Always call init ().
1822 (cpp_start_read): Update.
1823 (output_deps): New function, broken out of cpp_finish.
1824 (cpp_finish): Break out output_deps.
1826 2001-01-07 Richard Henderson <rth@redhat.com>
1828 * collect2.c (COFF specific stuff): Revert 12-06 patch
1829 to prototype system functions.
1831 2001-01-07 Michael Hayes <mhayes@redhat.com>
1833 * hard-reg-set.h: Add multiple include guard.
1834 * basic-block.h (struct loop): Add `sink' field.
1835 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1836 (emit_iv_add_mult): Delete.
1837 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1838 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1839 (unroll_loop): Remove end_insert_before argument.
1840 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1841 (maybe_eliminate_biv_1): Likewise.
1842 (emit_iv_add_mult): Delete.
1843 (gen_add_mult, loop_regs_update): New.
1844 (loop_insn_emit_after, loop_insn_emit_before): New.
1845 (loop_insn_sink, loop_insn_sink_or_swim): New.
1846 (emit_iv_add_mult): Delete.
1847 (scan_loop): Set loop->sink.
1848 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1849 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1850 (maybe_eliminate_biv_1): Likewise.
1851 (maybe_eliminate_biv_1): Add basic block argument.
1852 * unroll.c (unroll_loop): Remove end_insert_before argument.
1853 (find_splittable_regs): Likewise.
1854 (find_splittable_regs): Use loop_insn_sink and its ilk.
1855 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1857 2001-01-07 Michael Hayes <mhayes@redhat.com>
1859 * loop.h (loop_insn_hoist): New prototype.
1860 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1861 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1862 (check_dbra_loop, load_mems): Likewise.
1863 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1864 (find_splittable_givs): Likewise.
1866 2001-01-07 Michael Hayes <mhayes@redhat.com>
1868 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1870 2001-01-07 Richard Henderson <rth@redhat.com>
1872 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1874 2001-01-07 Richard Henderson <rth@redhat.com>
1876 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1877 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1878 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1879 variant that handles a shared libgcc.
1880 (process_command): Always validate -{static,shared}-libgcc.
1881 (do_spec_1): New 'M' case.
1882 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1884 2001-01-07 Richard Henderson <rth@redhat.com>
1886 * Makefile.in (slibdir): New variable.
1887 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1888 (installdirs): Create slibdir.
1889 (install-libgcc, install-multilib): Defer to libgcc.mk.
1890 * configure.in (slibdir): Substitute.
1891 * mklibgcc.in (install): New target.
1893 * config/t-linux (SHLIB_LINK): Create links for the soname.
1894 (SHLIB_INSTALL): New.
1895 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1896 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1897 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1898 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1899 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1901 2001-01-07 Richard Henderson <rth@redhat.com>
1903 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1904 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1905 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1907 2001-01-07 Michael Hayes <mhayes@redhat.com>
1909 * loop.c (count_loop_regs_set): Delete.
1910 (load_mems_and_recount_loop_regs_set): Delete.
1911 (loop_regs_scan): Merge common code from count_loop_regs_set,
1912 scan_loop, and load_mems_and_recount_loop_regs_set.
1913 (scan_loop): Call load_mems directly and loop_regs_scan
1914 again if new registers created.
1916 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1918 * toplev.c (main): Call the front-end specific post_options
1919 hook if one is given.
1920 * toplev.h (struct_lang_hooks, lang_hooks): New.
1921 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1922 for the C front end.
1923 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1924 lang_hooks for the C++ front end.
1925 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1926 lang_hooks for the ObjC front end.
1927 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1928 * java/lang.c (lang_hooks): Hooks for the Java front end.
1930 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1932 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1933 for verbose DWARF[2] debugging.
1934 (cb_define, cb_undef): The new callbacks.
1935 * toplev.h (debug_define, debug_undef): Make const correct.
1936 * toplev.c (debug_define, debug_undef): Similarly. Do not
1937 perform the verbosity tests here anymore.
1939 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1941 * reload.c (subst_reloads): Take INSN argument. When
1942 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1943 * reload.h (subst_reloads): Adjust prototype.
1944 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1945 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1946 present in JUMP_INSNs and copy them to JUMP_LABEL.
1947 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1948 JUMP_INSNs and insns with REG_LABELs that are followed by
1949 JUMP_INSNs with the same REG_LABEL.
1950 * sched-rgn.c (is_cfg_nonregular): Likewise.
1951 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1953 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1955 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1957 2001-01-06 Richard Henderson <rth@redhat.com>
1959 * loop.c (scan_loop): Use xcalloc for the regs array.
1960 (load_mems_and_recount_loop_regs_set): Zero the new memory
1961 received from xrealloc.
1963 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1965 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1967 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1969 * integrate.c (copy_rtx_and_substitute): When copying
1970 an ignored return value, strip REG_FUNCTION_VALUE_P.
1972 2001-01-06 Michael Hayes <mhayes@redhat.com>
1974 * loop.c (debug_biv, debug_giv): New.
1975 (loop_biv_dump): Break out from ...
1976 (record_biv): ... here.
1977 (loop_giv_dump): Break out from ...
1978 (record_giv): ... here.
1979 (loop_bivs_check): Use print_simple_rtl.
1980 * unroll.c (loop_iterations): Use print_simple_rtl.
1982 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1984 * pa.md (return, return_internal): Modify patterns to prevent regrename
1985 mucking with the return pointer.
1987 2001-01-05 Richard Henderson <rth@redhat.com>
1989 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1991 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1993 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1994 version supplied by Matteo Frigo.
1996 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1998 * cpp.texi: Update for -MQ.
1999 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2000 (cpp_cleanup): Always free pfile->deps.
2001 (initialize_dependency_output): Don't create pfile->deps.
2002 (cpp_handle_option): Similarly.
2004 * gcc.c (cpp_options): Handle -MQ.
2005 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2006 * mkdeps.c (base_name): Remove.
2007 (deps_init): Don't allocate vector space until it's needed.
2008 (deps_free): Only free vectors if allocated.
2009 (deps_add_target, deps_add_dep): Update for initial allocation.
2010 (deps_add_default_target): Don't strip to the base_name.
2012 2001-01-05 DJ Delorie <dj@redhat.com>
2014 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2015 (INIT_EXPANDERS): Define.
2017 * config/v850/v850.c (struct machine_function): Define.
2018 (v850_save_machine_status): New function.
2019 (v850_restore_machine_status): New function.
2020 (v850_return_addr): New function.
2021 (v850_init_expanders): New function.
2023 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2024 and v850_init_expanders.
2026 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2028 * cpplib.h (struct cpp_reader): Add help_only field.
2029 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2030 (cpp_handle_option): Set pfile->help_only if we see -h,
2031 --help, -target-help, or --version. Print version string but
2032 do not set help_only if we see -v or -version. Make text
2033 printed by -v match that printed by (-)-version.
2035 * cppmain.c (main): Exit after option parsing if
2036 pfile->help_only is true.
2038 * toplev.c (independent_decode_option): Call print_version,
2039 then exit, if we see --version (but not -version).
2040 (print_version): Split lengthy message into two lines.
2042 2001-01-05 Nick Clifton <nickc@redhat.com>
2044 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2045 temporary string for initialisation before calling ggc_alloc_string.
2047 2001-01-06 Michael Hayes <mhayes@redhat.com>
2049 * rtl.h (print_simple_rtl): New.
2050 * print-rtl.c (print_simple_rtl): New.
2052 (print_rtx): Disable printing of flags and modes, etc.,
2053 if `flag_simple` nonzero.
2055 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2057 * function.c (fixup_var_refs): Use push_to_full_sequence where
2060 2001-01-05 Michael Meissner <meissner@redhat.com>
2062 * flags.h (flag_reorder_blocks): Add declaration.
2063 (flag_rename_block): Ditto.
2065 2001-01-05 DJ Delorie <dj@redhat.com>
2067 * function.c (reorder_blocks): Make sure the flags are all reset
2068 before using them to mark blocks, else a second invocation will
2069 corrupt the block chain.
2070 (reorder_blocks_0): New, resets the flags.
2072 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2074 * cse.c (find_comparison_args): Stop if the argument is known to
2077 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2079 * config/sh/sh.md (movdf): When splitting load into pair of
2080 registers, don't clobber the register used in the address too
2083 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2085 * varasm.c (mark_constant_pool): Improve initial comments.
2086 (mark_constants): Move marking of constants to mark_constant.
2087 (mark_constant): New function to recursively mark all constants
2088 referred to by a constant.
2090 2001-01-05 Catherine Moore <clm@redhat.com>
2092 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2094 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2096 * cp/lang-options.h: Bring comment in line with reality.
2097 * f/lang-options.h: Likewise.
2098 * java/lang-options.h: Likewise.
2099 * objc/lang-options.h: Likewise.
2100 * ch/lang-options.h: Likewise.
2101 * f/g77.texi: And update the manual.
2103 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2104 Denis Chertykov <denisc@overta.ru>
2106 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2107 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2108 * config/avr/avr.md (all peepholes that request a scratch register):
2109 Call it, FAIL the peephole if not safe (in interrupt functions).
2111 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2113 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2115 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2117 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2119 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2120 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2121 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2122 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2123 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2125 * extend.texi: Document these builtins.
2127 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2129 * c-common.c (lang_get_alias_set): Say we know nothing of
2130 VECTOR_TYPE aliasing.
2132 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2134 2001-01-05 Bruce Korb <bkorb@gnu.org>
2136 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2137 their x* equivalent versions for atexit-less systems
2138 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2139 systems (or any other system any more).
2141 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2143 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2144 output operands. Use arm_hard_register_operand for operand 4.
2145 (stmsi_postinc): Similarly.
2146 (ldmsi): Use arm_hard_register_operand for opernand 2.
2148 * arm.c (arm_hard_register_operand): New function.
2149 * arm-protos.h (arm_hard_register_operand): Prototype it.
2151 * arm.h (HARD_REGNO_RENAME_OK): Define.
2153 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2155 * simplify-rtx.c (cfc_args): add "unordered" field.
2156 (check_fold_consts): Set unordered field.
2157 (simplify_relational_operation): Simplify the unordered
2160 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2163 * emit-rtl.c (try_split): Fix code to mark labels.
2164 * jump.c (mark_jump_label): Make global.
2165 * rtl.h (mark_jump_label): Declare.
2167 * predict.c (estimate_probability): Handle unordred comparisons.
2169 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2171 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2172 * cppinit.c (initialize_dependency_output): Update.
2173 (cpp_finish): Output dummy targets for -MP.
2175 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2176 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2177 * gcc.c (cpp_options): Update to handle -MP.
2178 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2179 to quote only the default target.
2180 (deps_phony_targets): Insert a preceding newline. Rename from
2181 deps_dummy_targets for consistency.
2184 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2186 * calls.c (emit_library_call_value_1): Support
2187 INIT_CUMULATIVE_LIBCALL_ARGS.
2188 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2190 2001-01-04 Richard Henderson <rth@redhat.com>
2192 * c-decl.c (finish_struct): Detect flexible array members
2193 used in an inappropriate context.
2194 * c-typeck.c (really_start_incremental_init): Special case
2195 constructor_max_index for zero length arrays.
2196 (pop_init_level): Allow initialization of flexible array
2197 members. Deprecate initialization of zero length arrays.
2198 Don't issue missing initializer warning for flexible array
2199 members or zero length arrays.
2200 (process_init_element): Don't dereference null DECL_SIZE.
2201 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2202 Don't abort for empty constructors. Use size_binop
2203 (output_constructor): Add commentary regarding zero length
2204 array futures. Abort if we try to initialize an array of
2205 unspecified length with a non-empty constructor in the middle
2208 * extend.texi (Zero Length): Update and clarify documentation
2209 on static initialization.
2211 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2213 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2214 with more than 32767 words of local storage.
2216 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2218 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2219 for 'abs', 'labs', and 'fabs'.
2220 (c4x_expand_builtin): Likewise.
2221 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2223 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2225 * config/sh/sh.md (prget, prset): New insn types.
2226 (return delay slot): Dont' allow prset.
2227 (call, sfunc delay slot): Don't allow prget.
2228 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2229 for prset and prget.
2231 2001-01-05 Michael Hayes <mhayes@redhat.com>
2233 * loop.h (struct loop_reg): New.
2234 (struct loop_regs): Change to use array of `struct loop_reg'.
2235 * loop.c: Replace assortment of varrays with single regs array.
2236 (count_one_set): Delete may_not_move array argument
2237 and use regs array instead. All caller's changed.
2238 (count_loop_regs_set): Delete may_not_move and single_usage
2239 arguments and use regs array instead. All caller's changed.
2240 (find_single_use_in_loop): Replace usage array argument with pointer
2241 to regs structure. All caller's changed.
2242 (loop_optimize): Delete `moved_once' array.
2244 2001-01-05 Michael Hayes <mhayes@redhat.com>
2246 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2247 Use it instead of loop_info->has_call for scanning loop mems.
2248 (check_dbra_loop): Replace loop_info->has_call test with
2249 loop_info->has_nonconst_call.
2251 2000-01-04 Matthew Hiller <hiller@redhat.com>
2253 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2256 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2258 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2259 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2261 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2263 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2264 (flag_short_double, flag_short_wchar): Define.
2265 (c_common_nodes_and_builtins): Create many tree nodes shared
2266 between C and C++ here instead of in cp/decl.c and ...
2267 * c-decl.c (init_decl_processing): ... here.
2268 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2269 (flag_short_double, flag_short_wchar): Don't define.
2270 (record_builtin_type): New function.
2271 (build_void_list_node): New function.
2272 * c-common.h (flag_short_double, flag_short_wchar,
2273 record_builtin_type, build_void_list_node): Declare.
2275 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2277 * integrate.c (expand_inline_function): Don't put a virtual
2278 register into the reg map.
2280 * function.c (fixup_var_refs_1): If force_operand didn't put
2281 the address into the target, move it there.
2283 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2285 Special-case tree_decl/tree_list allocations.
2286 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2287 (OBJECT_SIZE): New macro.
2288 (NUM_EXTRA_ORDER): Likewise.
2289 (extra_order_size_table): New variable.
2290 (NUM_ORDERS): New macro.
2291 (objects_per_page_table): New variable.
2292 (object_size_table): New variable.
2293 (G.pages): Use NUM_ORDERS to bound the array.
2294 (G.page_tails): Likewise.
2295 (DIV_ROUND_UP): Remove.
2296 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2297 (alloc_page): Use OBJECT_SIZE.
2298 (size_lookup): Don't make it const.
2299 (ggc_alloc): Use OBJECT_SIZE.
2300 (ggc_set_mark): Likewise.
2301 (ggc_get_size): Likewise.
2302 (init_ggc): Set up the object_size_table, objects_per_page_table,
2303 and adjust size_lookup.
2304 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2305 (ggc_pop_context): Use NUM_ORDERS.
2306 (clear_marks): Likewise.
2307 (sweep_pages): Likewise.
2308 (poison_pages): Likewise.
2309 (ggc_print_statistics): Use OBJECT_SIZE.
2311 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2313 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2314 Only call array_size_for_constructor if last field and array type
2315 with no upper bound.
2317 2001-01-04 Philip Blundell <philb@gnu.org>
2319 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2320 from bit 31 downwards, if this requires no more insns.
2321 (count_insns_for_constant): New helper function for above.
2323 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2325 * gencodes.c (output_predicate_decls): Remove empty initializer.
2327 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2329 * tree.c (copy_node): Remove documentation about obstacks.
2330 (buidl1): Check that nobody tries to build 2-argument nodes this
2333 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2335 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2338 * gencodes.c (output_predicate_decls): Fill empty initializer
2341 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2343 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2344 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2346 (do_include): Handle missing headers like cpp0.
2347 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2348 paths with first include pathname. Don't strcat to uninitialized
2351 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2353 * regrename.c (regrename_optimize): Don't rename from frame pointer
2354 if frame_pointer_needed.
2355 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2356 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2357 (ia64_reorg): Use it instead of scheduling if ! optimize.
2358 (errata_emit_nops): Properly call asm_noperands.
2359 (ia64_sched_reorder): Finish cycle if we see an asm.
2360 (ia64_variable_issue): Clear scheduling state after asms.
2362 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2364 * cpp.texi: Update for -MT.
2365 * cppinit.c (initialize_dependency_output): Add a default
2366 target if none has been given already.
2367 (no_tgt, OPT_MT): New.
2368 (cpp_handle_option): Handle -MT. Update -M etc.
2369 * cpplib.h (struct cpp_options): Remove deps_target.
2370 * gcc.c (cpp_options): Handle -MT.
2371 * mkdeps.c (struct deps): Move from mkdeps.h.
2372 (deps_calc_target): Rename deps_add_default_target. Add a
2373 default target if none has been specified already.
2374 * mkdeps.h (struct deps): Move to mkdeps.c.
2375 (deps_calc_target): Rename deps_add_default_target.
2377 2000-01-03 Richard Henderson <rth@redhat.com>
2379 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2381 * c-typeck.c (push_init_level): Move checks for flexible array
2382 members and zero length arrays ...
2383 (pop_init_level): ... here. Silently discard empty initializations.
2385 * varasm.c (output_constructor): Update for sizeof change to
2388 * extend.texi (Zero Length): Clarify semantics.
2390 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2392 * configure.in (tm.h): Include isns-codes.h last.
2393 * configure: Rebuilt.
2395 2001-01-03 Richard Henderson <rth@redhat.com>
2397 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2398 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2400 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2402 * tradcpp.c (main): Make sure finclude() is called with a valid
2403 indepth value while handling -include.
2405 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2407 * gencodes.c (output_predicate_decls): New function.
2409 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2410 even if it is not the first time machmode.h is #included.
2411 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2412 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2413 * gcc.texi (Copyright): Added 2001.
2415 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2417 * c-common.c (c_common_lang_init): New function. Warn if format
2418 warning options which only have effects when used with -Wformat
2419 are used without -Wformat.
2420 * c-common.h (c_common_lang_init): Declare.
2421 * c-lang.c (lang_init): Call c_common_lang_init.
2422 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2424 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2426 * configure.in: Check for the mktemp command.
2427 * configure: Regenerate.
2428 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2429 $TEMP. Create temporary files with mktemp, if available at
2430 configure time; otherwise use set -C. Remove temporary files
2433 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2435 * configure.in: Require at least texinfo 4.0. Check for whether
2436 Pod::Man is sufficiently recent to regenerate GCC manpages.
2437 * configure: Regenerate.
2438 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2440 (GENERATED_MANPAGES): Define.
2441 (generated-manpages): New target. Depend on cpp.1 as well as
2443 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2444 configure to generated-manpages or empty) rather than on the
2445 manpages directly. Remove execute permission from installed
2446 gcov.1 as well as cpp.1.
2447 * cpp.1, gcov.1: Regenerate.
2449 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2451 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2452 tree_low_cst. Allow using cmpstrsi in more cases.
2454 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2456 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2459 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2461 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2462 * Makefile.in (HOST_CFLAGS): Mention build-make.
2464 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2466 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2469 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2471 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2474 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2477 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2478 reg_base_value and reg_known_value arrays.
2479 (init_alias_analysis): Add more cases to detect known values.
2480 * sched-deps.c (deps_may_trap_p): New function.
2481 (sched_analyze_2): Use it.
2483 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2485 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2486 don't discard an ASHIFTRT if we're shifting in a wider mode.
2488 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2490 * toplev.c (rest_of_compilation): Don't print basic block information
2491 when CFG isn't up to date.
2493 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2495 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2496 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2497 (UNALIGNED_SHORT_ASM_OP): Define.
2498 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2500 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2502 * fold-const.c (fold_convert): Fix typo.
2504 2001-01-02 Richard Henderson <rth@redhat.com>
2506 * c-common.h (ASM_INPUT_P): New.
2507 * c-parse.in (asm): Set it when needed.
2508 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2509 existance of an operand.
2511 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2513 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2514 (dwarf2out_frame_debug_expr): Likewise.
2515 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2517 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2519 * i386.c (ix86_split_to_parts): Return number of part required;
2521 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2523 (ix86_split_long_move): Use number of part returned
2524 by ix86_split_to_parts
2525 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2527 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2528 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2529 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2530 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2531 (ALIGN_MODE_128): Add TFmode.
2532 (IS_STACK_MODE): Likewise.
2533 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2534 (HARD_REGNO_OK): Support TFmodes.
2535 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2536 * i386.md (scheduler definitions): Use memory operand to determine
2537 fst/fld instructions; use mode attribute to determine real mode of
2539 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2540 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2542 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2544 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2546 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2548 * expr.c (store_constructor_field): Update ALIGN before calling
2551 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2553 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2556 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2558 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2561 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2563 * c-decl.c (start_function): Don't warn on third parameter to main.
2565 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2567 * tsystem.h: Define HAVE_DECL_GETOPT.
2569 2001-01-02 Philip Blundell <pb@futuretv.com>
2571 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2574 2001-01-02 Richard Henderson <rth@redhat.com>
2576 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2578 2001-01-02 Andreas Jaeger <aj@suse.de>
2580 * c-decl.c (c_decode_option): Remove support of
2583 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2584 (W_options): Add -Wmissing-noreturn here.
2586 * flow.c: Define lang_missing_noreturn_ok_p.
2587 (check_function_return_warnings): Use it.
2589 * c-common.h: Declare lang_missing_noreturn_ok_p.
2591 * c-lang.c (c_missing_noreturn_ok_p): New function.
2592 (lang_init): Set lang_missing_noreturn_ok_p.
2594 * invoke.texi (Warning Options): Document this.
2596 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2598 * extend.texi (C++ Extensions): New node for C++ attributes;
2599 describe init_priority and com_interface.
2600 * invoke.texi: Remove -finit-priority as it now has zero effect.
2601 * install.texi: Fix xref syntax.
2602 * md.texi: Likewise.
2604 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2606 * config.gcc (sparc64-wrs-vxworks*): New case.
2607 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2609 * config/sparc/sparc.c (sparc_override_options): Do support different
2610 pointer and architecture size.
2611 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2612 (POINTERS_EXTEND_UNSIGNED): Define.
2613 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2614 (FUNCTION_MODE): Define to be Pmode.
2615 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2617 * function.c (expand_function_end): Properly handle DECL_RESULT
2618 and copy when ptr_mode != Pmode.
2619 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2621 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2623 * c-common.c (c_common_nodes_and_builtins): Set prototype
2624 parameters for __builtin_fputs, __builtin_fputc and
2625 __builtin_fwrite. Don't declare plain fputc as a builtin.
2627 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2629 * loop.c (add_label_notes): Increment the label usage count when
2630 a note is added to an insn which refers to a CODE_LABEL.
2631 * gcse.c (add_label_notes): Likewise.
2633 2001-01-01 Andreas Jaeger <aj@suse.de>
2635 * loop.c (scan_loop): Use xmalloc to allocate movables.
2637 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2639 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2640 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2641 * reload1.c (REGISTER_MOVE_COST): Likewise.
2642 * regclass.c (REGISTER_MOVE_COST): Likewise.
2643 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2644 dimension. Adjust all users.
2645 (init_reg_sets_1): Iterate on all modes.
2646 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2647 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2648 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2649 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2650 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2651 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2652 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2653 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2654 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2655 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2656 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2657 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2658 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2659 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2660 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2661 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2662 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2663 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2664 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2665 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2666 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2667 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2668 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2669 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2670 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2671 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2672 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2674 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2676 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2677 arg VARIES_P. Call it with extra arg.
2678 (true_dependence): Likewise.
2679 * rtl.h (rtx_addr_can_trap_p): Declare.
2680 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2682 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2683 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2684 pic offset table register if it's zero. All callers changed.
2685 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2687 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2689 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2690 STRING_POOL_ADDRESS_P.
2692 * config/sparc/sparc.c (input_operand): Properly test for short op.
2694 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2695 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2696 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2697 * config/sparc/elf.h: No longer include sol2.h.
2698 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2699 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2701 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2703 2001-01-01 Michael Hayes <mhayes@redhat.com>
2705 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2706 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2707 (record_initial): Likewise.
2708 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2709 (remap_split_bivs): Likewise.
2711 2001-01-01 Michael Hayes <mhayes@redhat.com>
2713 * loop.c (loop_ivs_free): New function.
2714 (strength_reduce): Break out from...
2716 2001-01-01 Michael Hayes <mhayes@redhat.com>
2718 * loop.h (struct iv): New.
2719 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2720 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2721 'reg_biv_class' fields with 'regs' and 'n_regs'.
2722 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2723 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2724 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2726 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2728 * resource.c (mark_referenced_resources): Abort() before
2729 attempting to mark a pseudo register.
2730 (mark_set_resources): Likewise.
2732 2001-01-01 Michael Hayes <mhayes@redhat.com>
2734 * loop.h (REG_IV_CLASS): New accessor macro.
2735 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2736 * unroll.c (REG_IV_CLASS): Likewise.
2738 See ChangeLog.4 for earlier changes.