1 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3 * rs6000.h (rs6000_return_addr): Move prototype from here...
4 * rs6000-protos.h (rs6000_return_addr): ...to here.
5 (rs6000_init_expanders): Delete prototype.
7 2001-01-23 Nick Clifton <nickc@redhat.com>
9 * invoke.texi: Replace , with \, inside @gccoptlist macros.
10 (Spec Files): Document %B and %j and %. and %v3 and %M and
11 %{S*&T} spec switches.
13 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
17 2001-01-23 Chris Demetriou <cgd@sibyte.com>
18 Neil Booth <neil@daikokuya.demon.co.uk>
20 * cpperror.c: Merge handlers of PEDWARN and WARNING.
21 Have -Werror make pedantic warnings errors, like the
24 2001-01-23 Phil Edwards <pme@sources.redhat.com>
26 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
28 2001-01-23 Jakub Jelinek <jakub@redhat.com>
30 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
31 * integrate.c (expand_inline_function): Initialize them.
32 (subst_constants): If changing COMPARE so that both its arguments
33 will be VOIDmode and the comparison mode will be lost, note
34 compare_mode. Use the recorded compare_mode to optimize
37 2001-01-23 Jason Merrill <jason@redhat.com>
39 * dwarf2out.c (new_die): Use xcalloc.
40 (output_die): Abort rather than emit a local reference to offset 0.
42 2001-01-17 Andrew Haley <aph@redhat.com>
44 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
45 of a saved register; return NULL instead.
46 (copy_reg): Take a pointer to a source register rather than a
48 (next_stack_level): Remember the address in the stack frame of all
50 Use the saved register pointer array as the source of the CFA.
51 (throw_helper): Rewrite. Unwind once rather than twice and keep
52 track of saved registers as we go.
54 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
56 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
57 * c4x.c (c4x_legitimize_reload_address): Remove.
58 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
59 reload address for ldp(k) insn.
61 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
63 * pa.md (return_internal): Add a USE of the PIC register to ensure
64 it is restored after each call.
65 (return expander): Corresponding changes.
67 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
69 * rs6000.h (INIT_EXPANDERS): Delete.
70 (RETURN_ADDR_RTX): Call rs6000_return_addr().
71 * rs6000.c (rs6000_override_options): Call *_machine_status from
73 (rs6000_init_expanders): ...instead of here. Delete.
74 (rs6000_mark_machine_status): New function.
75 (rs6000_init_machine_status): Use xcalloc.
76 (rs6000_return_addr): Generate RTX for the return address.
77 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
78 (rs6000_stack_info): Use it.
80 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
82 * gthr-win32.h: Include errno.h to get a declaration for
83 EINVAL and _mingw.h if the target is mingw32.
85 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
87 * cpp.texi: Correct typos.
89 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
91 * explow.c (probe_stack_range): Ensure value passed to
92 stack_check_libfunc is ptr_mode, not Pmode.
94 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
96 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
97 case, don't use operand_subword to calculate a SUBREG that is
100 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
102 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
104 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
105 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
106 valid. If not replace it by equivalent insns.
108 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
110 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
111 contains SYMBOL_REF, LABEL_REF and CONST_INT.
112 (c4x_U_constraint, symbolic_address_operand): Likewise.
113 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
115 (c4x_r11_set_p, c4x_check_laj_p): New functions.
116 * c4x-protos.h (c4x_check_laj_p): Add prototype.
117 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
118 anulling slot because of silicon bug.
119 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
121 2001-01-22 Alan Modra <alan@linuxcare.com.au>
123 * cppexp.c (parse_charconst): Change `mask' type to agree
126 2001-01-21 Richard Henderson <rth@redhat.com>
128 * config/i386/i386.c (ix86_asm_file_end): Disable putting
129 pic_label_name in a linkonce section.
131 2001-01-17 Philipp Thomas <pthomas@suse.de>
133 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
135 * configure: Regenerate.
137 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
139 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
140 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
142 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
144 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
145 If REVERSE nonzero then condition code in X must be reversed.
146 (encode_section_info): Optimise if/else.
147 (avr_function_value): Fix formatting.
149 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
150 (difficult_branch): Likewise.
151 (rvbranch): Likewise.
152 (difficult_rvbranch): Likewise.
154 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
156 * config/avr/libgcc.S: Fix comment.
158 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
160 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
162 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
164 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
166 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
168 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
169 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
170 * configure, config.in: Regenerate.
171 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
172 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
173 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
174 (doprint.o): New rule.
176 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
178 * c-typeck.c (digest_init): Handle boolean types as scalars.
180 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
182 * stmt.c (expand_return): Don't return anything if size is zero.
183 Delete redundant assignment to BYTES.
184 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
186 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
188 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
189 the same as the default library function names.
190 * config/avr/avr.md: Document special characters after '%'.
191 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
192 knowing which of the call-used registers are really clobbered.
193 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
194 New. Both quotient and remainder from one libgcc.S call.
195 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
196 clobber as few registers as possible.
197 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
199 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
201 * cppmacro.c (funlike_invocation_p): Don't move back up to the
202 context of the top of the stack.
204 2001-01-20 Jakub Jelinek <jakub@redhat.com>
206 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
207 (fixup_var_refs_insns): ...here.
209 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
211 * function.c (fixup_var_refs_insns): Break up into
212 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
213 [loop over entire insn list], and fixup_var_refs_insns_with_hash
214 [loop over hash table entries].
215 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
216 fixup_var_refs_insns_with_hash, to match above changes.
218 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
220 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
221 (libgcc.a): Likewise.
222 (stmp-multilib): Likewise.
223 (STAGE2_FLAGS_TO_PASS): Likewise.
225 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
227 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
228 temporary if no_new_pseudos.
230 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
232 * cppinternals.texi: Update.
234 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
236 * arm.c (arm_init_builtins): Re-enable builtins.
238 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
240 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
241 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
242 element to be null, and always expect an EXPR_LIST.
243 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
244 * sched-deps.c (sched_analyze_1): Likewise.
245 * sched-rgn.c (check_live_1, update_live_1): Likewise.
247 * regclass.c (max_set_parallel): New variable.
248 (reg_scan): Take it into account in computation of max_parallel.
249 (reg_scan_mark_refs, case SET): Compute it.
251 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
253 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
254 * function.c (assign_parms): Use INTVAL for a CONST_INT.
256 2001-01-19 Jason Merrill <jason@redhat.com>
258 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
259 for the abstract instance of an inline function.
261 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
262 J"orn Rennecke <amylaar@redhat.com>
264 * reload1.c (move2add_note_store): Treat all registers directly or
265 indirectly derived from a base register as members of the same set
267 (reload_cse_move2add): Adjust accordingly. Take mode and offset
268 of base register into account.
270 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
272 * alias.c (find_base_value): Recognize TRUNCATE.
273 (record_set): In PLUS case, invalidate if other summand is also a
276 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
278 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
279 entry to be EXPR_LIST.
280 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
281 be an EXPR_LIST (but not null, which other code doesn't allow).
282 (note_stores): Properly handle PARALLEL in SET.
283 Recursively call for top-level PARALLEL.
284 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
285 * sched-rgn.c (check_live_1, update_live_1): Likewise.
287 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
289 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
291 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
292 not pfile->skipping (== 0).
294 2001-01-17 Nick Clifton <nickc@redhat.com>
296 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
299 2001-01-17 Jim Wilson <wilson@redhat.com>
301 * invoke.texi (IA-64 options): Improve.
303 2001-01-17 Tom Tromey <tromey@redhat.com>
305 * invoke.texi (Optimize Options): Use `{}' to around @samp
308 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
310 * invoke.texi (-fno-guess-branch-probability): New option.
312 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
314 * combine.c (try_combine): Don't set i3_subst_into_i2 for
315 case of making new double-word constant.
316 Revert last change: instead just test i3_subst_into_i2.
318 2001-01-17 Jakub Jelinek <jakub@redhat.com>
320 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
321 Use q constraints instead of r.
323 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
325 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
326 (machine_function): Define.
327 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
328 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
329 pa_free_machine_status): New functions.
330 (override_options): Set {init,mark,free}_machine_status to above.
331 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
332 PIC_OFFSET_TABLE_REGNUM_SAVED.
333 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
334 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
335 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
336 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
337 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
339 2001-01-15 DJ Delorie <dj@redhat.com>
341 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
345 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
347 * flow.c (propagate_on_insn): Make trying to delete a prologue
348 or epilogue insn an ICE, not a warning. Allow doing this if
349 the current function returns with stack pointer depressed.
351 * combine.c (try_combine): If i3_subst_into_i2, properly check for
352 I3 having more than one SET.
354 2001-01-16 Jim Wilson <wilson@redhat.com>
356 * invoke.texi: Document IA-64 options.
358 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
359 (fixup_errata): Delete TARGET_A_STEP use.
360 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
361 (TARGET_SWITCHES): Delete -ma-step option.
362 * config/ia64/ia64.md (all FP patterns): Delete %B0.
363 (movqicc_astep, movqi_internal_astep, movhicc_astep,
364 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
365 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
366 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
367 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
369 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
370 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
371 cmovsi_internal): Delete ! TARGET_A_STEP check.
373 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
375 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
376 possibility to report bugs via postal mail. Change a URL and
377 merge in a nearly duplicate statement...
378 (Bug Reporting): ...from here.
379 (Service): Refer to the Bug Reporting section instead of
381 (Contributing): Remove trivial explanations concerning snapshots.
383 2001-01-16 Alan Modra <alan@linuxcare.com.au>
385 * cppmain.c (general_init): Don't use ANSI prototype.
387 2001-01-16 Tom Tromey <tromey@redhat.com>
389 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
391 2001-01-16 Richard Henderson <rth@redhat.com>
393 * config/i386/i386.h: Fix comment typo.
394 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
395 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
397 2001-01-16 Phil Edwards <pme@sources.redhat.com>
399 * gcc.c: Revert previous -fsyntax-only-related change; move
402 2001-01-16 Jakub Jelinek <jakub@redhat.com>
404 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
405 inmode after checking GET_CODE (op).
407 2001-01-16 Richard Henderson <rth@redhat.com>
409 * flow.c (struct propagate_block_info): Add mem_set_list_len.
410 (MAX_MEM_SET_LIST_LEN): New.
411 (propagate_one_insn): Update mem_set_list_len.
412 (invalidate_mems_from_autoinc): Likewise.
413 (invalidate_mems_from_set): Likewise.
414 (mark_used_regs): Likewise.
415 (init_propagate_block_info): Likewise. Stop collecting memories
416 when we reach MAX_MEM_SET_LIST_LEN.
417 (mark_set_1): Likewise.
419 2001-01-16 Richard Henderson <rth@redhat.com>
421 * unroll.c (precondition_loop_p): Fail if no iteration
424 2001-01-16 Phil Edwards <pme@sources.redhat.com>
426 * gcc.c: When -fsyntax-only is given, do not complain about
429 2001-01-15 Richard Henderson <rth@redhat.com>
431 * config/i386/i386.c (asm_output_function_prefix): Remove.
432 (ix86_asm_file_end): New.
433 (load_pic_register): Generate pic_label_name into a
434 staticly allocated buffer.
435 * config/i386/i386-protos.h: Update.
436 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
438 * config/i386/i386afe.h: New file.
439 * config.gcc (i?86-*-elf) [tm_file]: Use it.
440 (i?86-*-{freebsd,linux*,moss*}): Likewise.
441 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
442 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
443 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
444 * config/i386/sco5.h (ASM_FILE_END): Likewise.
445 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
447 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
449 * Makefile.in (install-man): Remove explicit dependency on
452 * configure.in, configure: Revert previous patch requiring perl
455 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
457 * toplev.c (flag_guess_branch_prob): New.
458 (f_options): Add guess-branch-probability option.
459 (rest_of_decl_compilation): Only estimate branch probability if
461 (main): set flag_guess_branch_prob.
463 * flags.h (flag_guess_branch_prob): New.
465 2001-01-15 DJ Delorie <dj@redhat.com>
467 * gcc.texi (Makefile): Add documentation for Makefile targets.
469 2001-01-15 Philip Blundell <philb@gnu.org>
471 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
473 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
474 (is_pic): Delete declaration.
475 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
476 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
477 * config/arm/arm.md (builtin_setjmp_receiver): New.
479 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
481 * arm.c (use_return_insn): Don't try to determine the function type
482 until after reload has completed.
483 (arm_output_epilogue): Don't adjust the sp value recovered from the
485 (emit_multi_reg_push): Don't record dwarf information for the pc.
486 * arm.md (eh_epilogue): The function type may have changed, so it
487 needs to be recalculated.
488 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
489 unwind tables on arm/netbsd.
491 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
493 * arm.md (cbranchsi4): Correct calculation of branch ranges.
494 (negated_cbranchsi4): Likewise.
496 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
498 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
499 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
500 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
501 pass -mapcs-* options to assembler.
502 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
503 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
504 (ASM_SPEC): Call subtarget_extra_asm_spec.
506 2001-01-15 Andreas Jaeger <aj@suse.de>
508 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
510 (ix86_expand_builtin): Likewise.
512 * gencodes.c (output_predicate_decls): Make i size_t to avoid
513 warning about comparison between signed and unsigned.
515 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
517 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
519 2001-01-14 Ralf Baechle <ralf@gnu.org>
521 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
522 SUBTARGET_CPP_SPEC apropriatly.
524 2001-01-12 Mark Mitchell <mark@codesourcery.com>
526 * varasm.c (make_decl_rtl): Fix typo in last change.
528 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
530 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
531 linker supports the init_priority C++ attribute.
532 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
533 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
534 linker does not support init_priority C++ attribute.
536 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
538 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
540 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
542 * c-parse.in (finish_parse): Add comment about cpp_destroy.
543 * cp/lex.c (finish_parse): Similarly.
544 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
545 Return the number of errors encountered.
546 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
547 * cppmain.c (main): Don't call cpp_destroy.
549 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
551 * configure.in: Require at least perl 5.6.0 to regenerate
553 * configure: Regenerate.
555 2001-01-14 Richard Henderson <rth@redhat.com>
557 * genrecog.c (DT_veclen_ge): New.
558 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
559 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
560 (nodes_identical_1): Handle DT_veclen_ge.
561 (write_cond, debug_decision_2): Likewise.
563 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
565 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
567 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
569 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
571 * cppmain.c (do_preprocessing): New function; most of the old
573 (main): Call it to do most of the work.
574 (cb): Move from global scope to set_callbacks ().
575 (setup_callbacks): Get the callback pointer.
576 (general_init, printer_init): Clean up code and comments.
578 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
580 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
583 2001-01-14 Kazu Hirata <kazu@hxi.com>
585 * config/h8300/h8300.c (get_shift_alg): Update comments.
587 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
589 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
590 (alloc_page, ggc_alloc): Add casts to remove warnings.
592 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
594 * combine.c (simplify_comparison): Don't change `code' when
595 can't reverse comparison.
597 2001-01-14 Richard Henderson <rth@redhat.com>
599 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
600 update all call sites. Return true for all non-label constants.
602 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
604 * i386.c (ix86_expand_compare): Add bypass_test and second_test
606 (ix86_expand_branch): Update.
607 (ix86_expand_setcc): Update to handle multiple test conditions.
608 (expand_int_movcc): Likewise.
609 (expand_fp_movcc): Likewise.
610 * i386-protos.h (ix86_expand_compare): New.
611 * i386.md (andqi_?_slp, orqi_?_slp): New.
612 (conditional trap expander): Update call to ix86_expand_compare.
614 2001-01-14 Richard Henderson <rth@redhat.com>
616 * config/vax/vax.md: Use nonimmediate_operand instead of
617 general_operand in destinations.
619 * config/vax/vax.md (indirect_jump): Use register_operand.
621 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
622 * config/vax/vax.md (call_pop): Turn into an expander.
623 (call_value_pop): Likewise.
624 (call, call_value): New.
626 2001-01-14 Andreas Jaeger <aj@suse.de>
628 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
630 (ix86_fp_compare_mode): Add unused attribute.
631 (ix86_expand_fp_movcc): Remove unused variable.
632 (ix86_expand_builtin): Make fcode unsigned.
634 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
635 (expand_expr): Add cast to avoid signed warning.
636 (store_field): Likewise.
637 (store_constructor_field): Likewise.
638 (store_constructor): Likewise.
639 (store_expr): Likewise.
640 (clear_storage): Likewise.
641 (emit_group_store): Likewise.
642 (emit_group_load): Likewise.
644 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
646 * c-common.c: Move format checking code to ...
647 * c-format.c: ... here. New file. Reorder some functions and
649 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
651 * c-common.h (decl_handle_format_attribute,
652 decl_handle_format_arg_attribute): Declare.
653 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
654 (c-common.o): Adjust dependencies.
655 (c-format.o): New list of dependencies.
657 2001-01-13 Jakub Jelinek <jakub@redhat.com>
659 * unroll.c (loop_iterations): If we cannot prove iteration variable
660 is set once in each iteration, punt.
662 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
664 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
665 (*strlenhi): Remove clobber (which was buggy) of output address.
667 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
669 * Makefile.in (generated-manpages): Add gcc.1
670 ($(srcdir)/gcc.1): New target.
671 (maintainer-clean): Delete $(srcdir)/gcc.1.
672 * gcc.texi: Add macros @gccoptlist and @gol.
673 * invoke.texi: Include option summary in manpage. Mark up option
674 summary with @gccoptlist and @gol. Use @r in one place where
676 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
677 * gcc.1: Generate from invoke.texi.
679 2001-01-13 Richard Henderson <rth@redhat.com>
681 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
682 (struct page_entry): Add group member.
683 (struct page_group): New.
684 (struct globals): Add page_groups member.
685 (alloc_anon): Only define for using mmap; remove valloc call.
686 (page_group_index): New.
687 (set_page_group_in_use): New.
688 (clear_page_group_in_use): New.
689 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
690 (free_page, release_pages): Likewise.
691 * configure.in (with-gc): Default to ggc-page always.
693 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
695 * reload1.c (replace_pseudos_in_call_usage): Use
696 reg_equiv_constant and reg_equiv_address, and don't try
699 2001-01-13 Richard Henderson <rth@redhat.com>
701 * ggc-page.c (alloc_page): Round up allocation size to one page.
702 Set e->order on extra pages.
704 2001-01-13 Richard Henderson <rth@redhat.com>
706 * genrecog.c (nodes_identical): Expand commentary.
707 (write_switch): Watch out for identical nodes.
709 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
711 * cppfiles.c (_cpp_fake_include): New function.
712 * cpphash.h (_cpp_fake_include): New.
713 * cpplib.c (do_line): Call _cpp_fake_include when entering
714 header files in preprocessed input.
715 * cppmain.c (cb_pragma_implementation): Remove handling.
716 (setup_callbacks): Don't register pragmas.
718 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
720 * extend.texi: Udate for CPP.
722 2001-01-13 Andreas Jaeger <aj@suse.de>
724 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
726 * regmove.c: Add prototype for replace_in_call_usage.
728 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
730 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
731 struct cpp_chunk, struct htab, struct toklist,
732 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
733 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
734 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
735 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
736 (struct macro_args): Delete.
737 * cpphash.h: See above.
739 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
741 * cppmain.c (struct printer): Remove no_line_dirs.
743 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
744 : Use options rather than CPP_OPTION.
745 (setup_callbacks): Use cb rather than pfile->cb.
746 (main): No need to check for a buffer. Use cpp_errors.
747 (printer_init): Don't set no_line_dirs.
748 (maybe_print_line): Use options not no_line_dirs.
749 (cb_file_change): Don't call print_line if -P.
751 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
753 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
755 * c-parse.in (finish_parse): Use cpp_errors.
756 (__yylex): Use return value of cpp_pop_buffer.
757 * cp/lex.c (finish_parse): Use cpp_errors.
758 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
760 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
762 * README.AVR: URLs corrected.
764 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
766 * c-decl.c (start_function): Don't warn if old prototype is builtin
767 that's not in C's namespace.
768 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
769 (_bb): Add prototype for ctime.
770 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
772 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
774 * i386.c (ix86_fp_comparison_arithmetics_cost,
775 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
776 ix86_fp_comparison_cost): New functions.
777 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
778 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
779 two-branch sequences; make static.
780 (ix86_use_fcomi_compare): Do decision according to the costs.
781 (split_fp_branch): New.
782 * i386.md (compare-and-branch patterns): Use split_fp_branch.
783 * i386-protos.h (ix86_expand_fp_compare): Remove
784 (ix86_split_fp_branch): Declare.
786 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
787 and ix86_comparison_operator.
789 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
792 * i386.c (put_condition_code): Output properly the unordered/ordered
794 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
796 * tm.texi (REVERSE_CONDITION): Document.
797 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
799 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
801 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
803 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
805 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
808 * config/sh/sh.c (mova_p): Fix test for mova_const.
810 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
812 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
813 cpp_get_options rather than dereferencing pfile and using
815 * scan-decls.c (scan_decls): Use return value of
816 cpp_pop_buffer rather than CPP_BUFFER.
818 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
820 * cppinit.c (cpp_handle_option): help_only is now part of the
821 cpp_options structure.
822 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
823 cpp_set_callbacks): New functions.
824 * cpplib.h (cpp_callbacks): Break out as a named structure.
825 (cpp_options): Move help_only here from cpp_reader.
826 (CPP_FATAL_ERRORS): Update to use cpp_errors.
827 (cpp_errors, cpp_get_options, cpp_get_callbacks,
828 cpp_set_callbacks): New prototypes.
829 * cppmain.c (main): Update for help_only.
831 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
833 * Makefile.in (info, maintainer-clean, install-info, uninstall):
834 Also build and remove and install and uninstall c-tree.info and
836 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
837 ($(srcdir)/cppinternals.info): New target.
838 * c-tree.texi: Change file name used when makeinfo used without -o
839 from ir.info to c-tree.info. Add info directory entry.
840 * cppinternals.texi: Add info directory entry.
841 * .cvsignore: Update.
843 2001-01-12 Jakub Jelinek <jakub@redhat.com>
845 * c-typeck.c (store_init_value): Don't require constant initializer
846 elements with -pedantic -std=c99.
847 (digest_init): Change error about non-constant initializer elements
849 (constructor_range_end): Remove.
850 (constructor_incremental, designator_depth,
851 designator_errorneous): New variables.
852 (struct constructor_stack): Remove range_end, add incremental.
853 (struct constructor_range_stack, constructor_range_stack): New.
854 (struct initializer_stack): Add constructor_range_stack.
855 (finish_init): Set it.
856 (start_init): Likewise. require_constant_elements for non-static
857 trees only if not flag_isoc99.
858 (really_start_incremental_init): Remove constructor_range_end, add
859 constructor_incremental.
860 (pop_init_level): Likewise.
861 (push_init_level): Likewise. If implicit and the subobject had some
862 value set already, preinitialize the level with it.
863 Warn about missing braces only if not pushing due to designators.
864 (set_designator, push_range_stack): New functions.
865 (set_init_label): Use them.
866 (set_init_index): Likewise. Remove constructor_range_end.
867 Error if designator index is outside of array bounds.
868 (add_pending_init): Compare values of purpose index trees, not the
869 trees themselves. Allow overwriting of already initialized element.
870 Issue a warning if it had side-effects.
871 (set_nonincremental_init, set_nonincremental_init_from_string): New
873 (pending_init_member): Rename to...
874 (find_init_member): ...this function. Call set_nonincremental_init
875 if necessary. Compare values of purpose index trees, not the trees
876 themselves. Return the actual value, not just non-zero if something
878 (output_init_element): Remove checks for duplicates.
879 If field has zero size, only check the initializer for correctness.
880 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
881 if constructor_incremental is zero. Change error about initializers
882 not computable at load time into pedwarn.
883 (output_pending_init_elements): Compare bit positions, not
884 FIELD_DECLs to take into account zero-sized fields.
885 (process_init_element): Use constructor_range_stack to fill all
886 ranges in the designator lists from current level up.
887 * extend.texi: Update documentation for labeled elements.
889 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
891 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
892 to function usage for arguments passed by reference. Optimize
893 callee-copied arguments.
894 * regmove.c (replace_in_call_usage): New function.
895 (fixup_match_1): Call it.
896 * cse.c (cse_insn): Canonicalize registers in function usage.
897 * reload1.c (replace_pseudos_in_call_usage): New function.
900 * Makefile.in: Reverted yesterday's wrong patch. Installed the
903 2001-01-12 Jakub Jelinek <jakub@redhat.com>
905 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
908 2001-01-12 DJ Delorie <dj@redhat.com>
910 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
911 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
914 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
916 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
917 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
918 -std options alongside references to -ansi. Update some
919 documentation for C99.
922 2001-01-12 Andreas Jaeger <aj@suse.de>
924 * haifa-sched.c (restore_line_notes): Remove argument block B
926 * sched-ebb.c (schedule_ebb): Change caller.
927 * sched-rgn.c (schedule_region): Likewise.
928 * sched-int.h (restore_line_notes): Adjust prototype.
930 * loop.h: Remove wrong declaration of doloop_condition_get.
932 2001-01-12 Phil Edwards <pme@sources.redhat.com>
934 * extend.texi: Move C++-extension-related node from the C section
935 into the C++ section.
937 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
939 * extend.texi: Refer to an array of pointers to functions instead
942 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
943 Jan Hubicka <jh@suse.cz>
945 * combine.c (reversed_comparison): Fix typo in last patch.
947 (combine_reversed_comparison_code): Make static to follow
948 prototype declaration.
950 2001-01-12 Phil Edwards <pme@sources.redhat.com>
952 * install.texi: Remove misplaced duplicate entry.
954 2001-01-11 Ulrich Drepper <drepper@redhat.com>
956 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
958 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
960 * final.c: (leaf_function_p): Fix typo.
962 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
964 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
965 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
967 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
968 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
969 mmap_anon, and valloc is available.
970 * ggc-page.c: Restructure ifdef logic to match new autoconf
971 spec. Don't throw away the test page in init_ggc.
973 * configure, config.in: Regenerate.
975 2001-01-12 Michael Hayes <mhayes@redhat.com>
977 * loop.h (total_biv_increment): Constify iv_class pointer.
978 (struct induction): Replace `mem_mode' with `mem' rtx.
979 * unroll.c (total_biv_increment): Constify iv_class pointer.
980 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
981 (find_mem_givs, combine_givs_p): Likewise.
982 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
984 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
986 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
988 (__gthread_getspecific): Ditto.
990 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
992 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
993 put_condition_code): Convert fp comparison codes to integer
995 (ix86_expand_fp_compare): Postnote the fp comparison code converison
998 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
999 * i386-protos.h (no_comparison_operator): Kill.
1001 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1003 * combine.c (REVERSIBLE_CC_MODE): Remove.
1004 (reversible_comparison_p): Remove.
1005 (combine_reversed_comparison_code): New.
1006 (reversed_comparison): New.
1007 (combine_simplify_rtx): Use
1008 combine_reversed_comparison_code/reversed_comparison instead
1009 of reversible_comparison_p.
1010 (simplify_if_then_else): Likewise.
1011 (simplify_set): Likewise.
1012 (simplify_logical): Likewise.
1013 (if_then_else_cond): Likewise.
1014 (known_cond): Likewise.
1015 (simplify_comparison): Likewise.
1017 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1019 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1020 sizeof (int) is larger than sizeof(__word__).
1022 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1024 * cppinit.c (do_includes): Fix typo.
1026 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1028 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1029 in S_REGS does not occur because not all sources are possible
1030 when a S_REGS is a destination (sometimes needs a clobber).
1031 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1032 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1033 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1034 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1035 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1036 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1037 (lshrdi_const1, lshrsi3_const16): Likewise.
1038 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1039 (*movhi_68hc12, *movqi_68hc12): Likewise.
1040 (movstrictqi): Make sure reloading in D_REGS as a destination
1043 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1045 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1047 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1049 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1050 -D, -U and -A, and don't initialize the builtins.
1051 (do_includes): Error if -include or -imacros with -fpreprocessed.
1052 * cppmain.c (cb_define, cb_undef): Unconditionally process
1054 * tradcpp.c (main): Fix typo.
1056 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1058 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1059 (read_name_map): Use IS_ABSOLUTE_PATH.
1060 * tradcpp.c (get_filename): Likewise.
1062 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1064 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1065 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1066 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1067 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1068 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1069 (cmphi_z_used): Don't use '@' for the output.
1070 (tstqi_z_used): Likewise.
1071 (cmpqi_z_used): Likewise.
1072 (one_cmplsi2): Likewise.
1074 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1076 * config/sh/sh.c (barrier_align): Recognize branch around far
1077 branch and redundant insn.
1079 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1081 * invoke.texi: Restore documentation of the drivers' switches -MD
1084 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1086 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1088 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1089 check-objc//%): Support parallel testing of multilibs.
1090 (TESTSUITEDIR): Set to testsuite by default, but override for
1092 (check-gcc, check-g++, check-g77, check-objc): Enter
1095 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1097 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1098 * sched-deps.c (deps_may_trap_p): Likewise.
1099 * basic-block.h: Remove a comment.
1100 * flow.c (PROP_POSTRELOAD): Remove.
1101 (update_life_info): Don't add it to prop_flags.
1102 (mark_set_1): Lose the code that was enabled by it.
1104 2001-01-11 Michael Hayes <mhayes@redhat.com>
1106 * flow.c (flow_call_edges_add): New.
1107 * basic_block.h (flow_call_edges_add): New.
1109 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1111 * reload1.c (move2add_note_store): Update reg_set_luid even if
1112 base reg remains the same.
1114 2001-01-10 Nick Clifton <nickc@redhat.com>
1116 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1117 machine_function structure to zero.
1118 Add prototypes for machine_status functions.
1120 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1122 * c-common.h (CTI_VOID_LIST): Remove.
1123 (void_list_node): Likewise.
1124 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1125 (void_list_node): New macro.
1126 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1127 * config/i386/i386.c (ix86_init_builtins): Likewise.
1128 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1130 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1132 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1133 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1135 * tradcpp.c: Include mkdeps.h.
1136 (deps, print_deps_phony_targets, deps_append, output_deps,
1137 init_dependency_output, output_deps): New.
1138 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1139 deps_output): Delete.
1140 (print_deps_missing_files): Rename deps_missing_files.
1141 (inhibit_output): Make global.
1142 (main): Delete inhibit_output, deps_stream, deps_target.
1143 Use mkdeps functionality in the same way as cpplib. Remove
1144 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1145 -M and -MM. Remove old handling of deps via deps_out, and
1146 old reading of environment variables.
1147 (get_filename): Update to use deps_add_dep.
1149 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1151 * output.h (make_function_rtl): Remove prototype.
1152 (make_decl_rtl): Likewise.
1153 * varasm.c (make_function_rtl): Remove.
1154 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1155 than from a third parameter.
1156 * tree.h (make_decl_rtl): Remove last parameter.
1157 * c-decl.c (builtin_function): Remove last argument in call to
1158 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1159 (start_function): Likewise.
1160 * except.c (call_get_eh_context): Likewise.
1161 * expr.c (emit_block_move): Likewise.
1162 (clear_storage): Likewise.
1163 * profile.c (output_func_start_profiler): Likewise.
1164 * toplev.c (rest_of_decl_compilation): Likewise.
1165 * objc/objc-act.c (create_builtin_decl): Likewise.
1166 (synth_module_prologue): Likewise.
1167 (generate_static_reference): Likewise.
1168 (build_selector_reference_decl): Likewise.
1169 (build_class_reference_decl): Likewise.
1170 (build_objc_string_decl): Likewise.
1171 (build_protocol_reference): Likewise.
1173 2001-01-10 Richard Henderson <rth@redhat.com>
1175 * hwint.h: Revert yesterday's change.
1177 2001-01-10 Nick Clifton <nickc@redhat.com>
1179 * function.h (save_machine_status): Delete.
1180 (restore_machine_status): Delete.
1181 Amend comment describing {init|mark|free}_machine_status.
1183 * function.c (save_machine_status): Delete.
1184 (restore_machine_status): Delete.
1185 Amend comment describing {init|mark|free}_machine_status.
1186 (push_function_context_to): Remove invocation of
1187 save_machine_status.
1188 (pop_function_context_from): Remove invocation of
1189 restore_machine_status.
1191 * emit-rtl.c (init_emit_once): Amend comment describing
1192 {init|mark|free}_machine_status.
1194 * tm.texi (Per-Function Data): New node. Describe the
1195 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1198 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1200 * cppinit.c (OPT_g): Remove.
1201 (cpp_handle_option): Update for removed -g3.
1202 (print_help): Update.
1203 * cpplib.h (struct cpp_options): Remove debug_output.
1204 * cppmain.c (setup_callbacks, cb_define): Update.
1205 * gcc.c (cpp_options): Translate -g3 to -dD.
1207 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1209 * config/i960/i960.md: Change modifier to + on the zero_extract
1210 pattern after the (rotate -2 reg) canonicalization pattern.
1212 2001-01-10 Richard Henderson <rth@redhat.com>
1214 * config/alpha/alpha.c (alpha_free_machine_status): New.
1215 (override_options): Install it.
1216 (alpha_mark_machine_status): Verify machine non-null.
1217 * config/i386/i386.c (ix86_free_machine_status): New.
1218 (override_options): Install it.
1219 (ix86_init_machine_status): Use xcalloc.
1220 (ix86_mark_machine_status): Verify machine non-null.
1221 * config/ia64/ia64.c (ia64_free_machine_status): New.
1222 (ia64_override_options): Install it.
1223 (ia64_mark_machine_status): Verify machine non-null.
1225 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1227 * function.c (instantiate_virtual_regs): Instantiate virtual
1228 registers found in CALL_INSN_FUNCTION_USAGE.
1230 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1232 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1233 equivalent to -ansi in disabling -Di386.
1235 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1237 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1239 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1241 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1243 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1245 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1247 * invoke.texi: Document that -fcond-mismatch isn't supported for
1250 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1252 * gcc.texi: Define macro gcctabopt.
1253 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1254 @command, @env and @option in some places where appropriate. Use
1255 @gcctabopt where appropriate. Put URLs and email addresses inside
1258 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1260 * gcc.c (cpp_options): Set MD file name from output
1261 filename, if specified.
1262 (suffix_subst): New static variable.
1263 (do_spec): Clear it.
1264 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1266 (give_switch): Handle suffix_subst.
1268 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1270 * invoke.texi: Fix another typo.
1272 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1274 * invoke.texi: Fix typo.
1276 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1278 * c-lang.c (lang_hooks): Update.
1279 (lang_decode_option): Remove.
1280 (lang_init_options): Rename c_init_options.
1281 * toplev.c (main): Use lang_hooks for lang_init_options
1282 and lang_decode_option.
1283 * toplev.h (lang_hooks): Add 2 new hooks.
1284 * tree.h: Remove lang_init_options and lang_decode_option.
1285 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1286 * cp/decl2.c: Similarly.
1287 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1288 (lang_hooks): Update.
1289 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1291 (lang_init_options): Rename ffe_init_options.
1292 (lang_hooks): Update.
1293 (lang_decode_option): Remove.
1294 * java/lang.c (lang_init_options): Rename java_init_options.
1295 (lang_decode_option): Rename java_decode_option.
1296 (lang_hooks): Update.
1297 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1298 (lang_decode_option): Rename objc_decode_option.
1299 (lang_hooks): Update.
1301 2001-01-09 Nick Clifton <nickc@redhat.com>
1303 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1304 (d30v_return_addr_rtx): Delete.
1305 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1306 cfun->machine structure.
1307 (struct machine_function): Move to d30v.h
1308 (d30v_save_machine_status): Delete.
1309 (d30v_restore_machine_status): Delete.
1310 (d30v_init_machine_status): New Function.
1311 (d30v_mark_machine_status): New Function.
1312 (d30v_free_machine_status): New Function.
1313 (d30v_init_expanders): Use new functions.
1314 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1315 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1316 d30v_return_addr_rtx.
1318 * config/d30v/d30v.h (struct_machine): Move here.
1319 Add eh_epilogue_sp_ofs field.
1321 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1322 field in cfun->machine structure.
1324 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1326 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1327 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1328 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1330 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1332 * objc/lang-options.h: Remove bogus reference to
1335 2001-01-09 Kazu Hirata <kazu@hxi.com>
1337 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1340 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1342 * reload.c (find_reloads_address): Check for eliminable registers
1343 when substituting a constant expression for a pseudo.
1345 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1347 * c-common.c (enum format_type): Add format_type_error.
1348 (decode_format_type): New function.
1349 (decl_attributes): Use it.
1350 (format_kind_info): Adjust comment.
1352 2001-01-09 David O'Brien <obrien@BSDi.com>
1354 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1355 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1357 * config/i386/gnu.h: Don't include required platform specific .h files,
1358 tm.h will do it instead.
1359 * config/i386/i386elf.h: Likewise.
1360 * config/i386/linux.h: Likewise.
1361 * config/i386/moss.h: Likewise.
1362 * config/mips/gnu.h: Likewise.
1364 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1366 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1367 (rs6000-ibm-aix3.[01]*): Likewise.
1368 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1369 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1370 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1371 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1372 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1373 (powerpc-*-eabiaix*): Likewise.
1374 (powerpc-*-eabisim*): Likewise.
1375 (powerpc-*-elf*): Likewise.
1376 (powerpc-*-eabi*): Likewise.
1377 (powerpc-*-rtems*): Likewise.
1378 (powerpc-*-linux*libc1): Likewise.
1379 (powerpc-*-linux*): Likewise.
1380 (powerpc-wrs-vxworks*): Likewise.
1381 (powerpcle-wrs-vxworks*): Likewise.
1382 (powerpcle-*-sysv*): Likewise.
1383 (powerpcle-*-elf*): Likewise.
1384 (powerpcle-*-eabisim*): Likewise.
1385 (powerpcle-*-eabi*): Likewise.
1386 (powerpcle-*-solaris2*): Likewise.
1387 * config/rs6000/aix31.h: Delete includes.
1388 * config/rs6000/aix3newas.h: Likewise.
1389 * config/rs6000/aix41.h: Likewise.
1390 * config/rs6000/aix43.h: Likewise.
1391 * config/rs6000/beos.h: Likewise.
1392 * config/rs6000/rtems.h: Likewise.
1393 * config/rs6000/sysv4.h: Likewise.
1395 2001-01-09 Kazu Hirata <kazu@hxi.com>
1397 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1398 Change an argument mode of machine_mode to shift_mode of
1399 shift_mode. Remove an extra error check.
1400 (emit_a_shift): Adopt to the new calling prototype of
1402 (function_prologue): Fix code for a monitor
1403 function. Support H8/S.
1404 (function_epilogue): Do not output pop for a monitor function.
1406 2001-01-09 Nick Clifton <nickc@redhat.com>
1408 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1409 (setup_incoming_varargs): Use sysv_varargs_p field of the
1410 cfun->machine structure.
1411 (struct machine_function): Move to rs6000.h
1412 (rs6000_save_machine_status): Delete.
1413 (rs6000_restore_machine_status): Delete.
1414 (rs6000_init_machine_status): New Function.
1415 (rs6000_free_machine_status): New Function.
1416 (rs6000_init_expanders): Use new functions.
1418 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1420 (struct machine_function): Move here.
1422 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1423 sysv_varargs_p field of the cfun->machine structure.
1425 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1427 (rs6000_restore_machine_status): Remove prototype.
1429 2001-01-09 Richard Henderson <rth@redhat.com>
1431 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1432 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1433 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1434 (sched_analyze_2, sched_analyze_insn): Likewise.
1435 (sched_analyze, init_deps): Likewise.
1436 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1437 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1438 (compute_block_backward_dependences): Update propagate_deps call.
1440 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1442 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1444 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1446 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1447 (cpp_handle_option): Handle them.
1448 (cpp_post_options): Ensure one of -M or -MM is specified with
1449 any other -M? option.
1450 (init_dependency_output): Suppress output with -MG.
1452 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1455 * invoke.texi: Update.
1457 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1459 * sh.md (reload_outsf): Generate recognizable patterns for
1462 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1464 * c-lang.c (lang_hooks): Update.
1465 (lang_init): Rename c_init.
1466 (lang_finish): Remove.
1467 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1469 * toplev.h (lang_hooks): Add init () and finish ().
1470 * tree.h (lang_init, lang_finish): Remove.
1471 * cp/tree.h (lang_init, lang_finish): Remove.
1472 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1473 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1475 (lang_init, lang_finish): Remove.
1476 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1477 (lang_hooks): Update.
1478 * java/lang.c (lang_init): Rename java_init.
1479 (lang_finish): Remove.
1480 (lang_hooks): Update.
1481 * objc/objc-act.c (lang_init): Rename objc_init.
1482 (lang_finish): Remove.
1483 (lang_hoooks): Update.
1485 20001-01-09 Graham Stott <grahams@redhat.com>
1487 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1488 after `ptr` is initialised.
1490 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1492 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1493 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1494 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1495 stack adjusts, instead of r3.
1497 2001-01-09 Michael Hayes <mhayes@redhat.com>
1499 * flow.c (flow_loop_scan): Break out of ...
1500 (flow_loops_find) ... here.
1501 * basic-block.h (flow_loop_scan): New.
1502 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1503 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1505 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1507 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1509 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1510 realloc()ing macro_buffer.
1512 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1513 if it's wider than long and the target's long is wider than the
1516 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1518 Remove support for using UWIN as a host machine.
1519 * configure.in: Issue an error message.
1520 * configure: Regenerated.
1521 * config.gcc: Remove xm_* UWIN configury.
1522 * config/i386/xm-uwin.h: Remove.
1524 2001-01-08 Nick Clifton <nickc@redhat.com>
1526 * config/v850/v850.c (ra_rtx): Delete.
1527 (v850_save_machine_status): Delete.
1528 (v850_restore_machine_status): Delete.
1529 (v850_init_machine_status): New function.
1530 (v850_mark_machine_status): New function.
1531 (v850_free_machine_status): New function.
1532 (v850_return_addr): Use ra_rtx field in machine structure.
1533 (v850_init_expanders): Use new functions.
1535 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1536 * config/v850/v850.c: Change arguments to v850_output+* functions
1537 to take a const char *, to avoid compile time warning.
1538 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1539 (USER_LABEL_PREFIX): Redefine.
1541 2000-01-08 Jim Wilson <wilson@redhat.com>
1543 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1544 1 to unsigned HOST_WIDE_INT before left shift.
1546 2001-01-08 Nick Clifton <nickc@redhat.com>
1548 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1549 the machine structure has been allocated.
1550 (arm_free_machine_status): New function: Free the machine
1551 specific function structure.
1553 2001-01-08 Richard Henderson <rth@redhat.com>
1555 * jump.c (simplejump_p): Revert last change.
1557 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1559 * cppinit.c (init): Rename init_library.
1560 (cpp_create_reader): Update.
1561 * gcc.c (cpp_options): If -o given, use it as the target of
1564 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1566 * arm.c (arm_arch5e): New variable.
1567 (all_cores): XScale is a 5TE device.
1568 (arm_override_options): Set arm_arch5e.
1569 (arm_init_builtins): __builtin_prefetch is in arch5e.
1570 * arm.h (arm_arch5e): Declare it.
1572 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1574 * arm.md (define_constants): Add defines for UNSPEC and
1575 UNSPEC_VOLATILE insns. Update all users.
1576 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1577 * arm.c (multi_register_push, note_invalid_constants)
1578 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1579 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1580 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1582 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1584 * jump.c (jump_optimize_1): Use reversed_comparison_code
1585 instead of can_reverse_comparison_p.
1586 (jump_back_p): Likewise.
1587 (invert_exp_1): Likewise.
1588 (thread_jumps): Likewise.
1589 * simplify-rtx.c (simplify_unary_operation): Likewise.
1590 (simplify_ternary_operation): Likewise.
1591 * cse.c (find_comparison_args): Convert to use
1592 can_reverse_comparison_p.
1593 (record_jump_equiv): Likewise.
1595 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1597 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1598 (EPILOGUE_USES): Define.
1599 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1600 automatically stack the LR if it isn't live.
1602 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1604 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1607 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1609 * ggc-page.c (max_alignment): New structure.
1610 (MAX_ALIGNMENT): New macro.
1611 (init_ggc): Use it to round up the sizes in the
1612 extra_order_size_table.
1614 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1616 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1619 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1621 * builtins.def (BUILT_IN_FPRINTF): New entry.
1623 * c-common.c (c_expand_builtin_fprintf): New function.
1624 (init_function_format_info): Handle __builtin_fprintf.
1625 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1626 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1628 * c-decl.c (duplicate_decls): Adjust comment.
1630 * extend.texi (fprintf): Document new builtin.
1632 2001-01-07 Richard Henderson <rth@redhat.com>
1634 * jump.c (simplejump_p): Recognize any single_set jump
1637 2001-01-07 Richard Henderson <rth@redhat.com>
1639 * configure.in (slibdir): Accept an --with-slibdir option.
1640 Use "test" not "[" in configure. Default to $(libdir).
1642 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1644 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1645 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1646 (SHLIB_LINK): Create links for the soname.
1647 * config/mips/t-iris6: Likewise.
1648 * config/sparc/t-slibgcc: Likewise.
1649 * config/sparc/t-slibgcc-sld: Likewise.
1651 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1653 * config/i386/i386.c (constant_call_address_operand): Accept
1654 (const (plus (symbol_ref) (const_int))).
1655 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1656 constant_call_address_operand.
1658 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1660 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1661 and LONG_LONG_TYPE_SIZE > 32.
1663 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1665 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1666 the previous change.
1668 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1670 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1672 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1673 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1674 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1677 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1679 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1681 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * c-lang.c (c_post_options): Call cpp_post_options.
1684 * objc/objc-act.c (objc_post_options): Similarly.
1685 * cppmain.c (main): Similarly.
1686 * fix-header.c (read_scan_file): Similarly.
1687 * cppinit.c (cpp_start_read): Move option consistency checks
1688 to cpp_post_options. Don't call init_dependency_output.
1689 If needed, add default target and main file dependency.
1690 (OPT_MD, OPT_MMD): Remove.
1692 (cpp_handle_option): Update for OPT_* changes.
1693 (cpp_post_options): New.
1694 (init_dependency_output): Command line -MF overrides environment
1695 variables. Don't set default target etc. Suppress output
1696 if dependencies are going to stdout.
1697 (print_help): Update.
1698 * cpplib.h (cpp_post_options): New.
1699 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1701 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1703 * jump.c (comparison_dominates_p): Support unordered compares.
1705 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1707 * simplify-rtx.c (simplify_relational_operation): Always simplify
1708 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1711 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1713 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1714 (nonzero_bits): Likewise.
1715 (simplify_comparison): Likewise.
1716 (num_sign_bit_copies): Likewise; return more sane value depending
1717 on STORE_FLAG_VALUE.
1718 (known_cond): Do not assume EQ to be always true for equivalent
1721 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1723 * cse.c (fold_rtx): Handle unordered comparisons.
1725 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1727 * rtlanal.c (set_of_1): New static function.
1728 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1729 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1730 reg_set_last_last_regno): Remove.
1731 (set_of): New global function.
1732 (set_of_data): New structure.
1733 (reg_set_p, reg_set_last): Revamp for set_of.
1734 * rtl.h (set_of): New.
1736 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1738 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1739 * extend.texi: Document _Exit builtin.
1741 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1743 * (initialize, initialize_builtins,
1744 initialize_dependency_output, initialize_standard_includes):
1745 Rename s/initialize/init. Update.
1746 (init_dependency_output): Move to after
1747 cpp_handle_options, the correct location temporally at least.
1748 (opt_comp): Move next to init (), its caller. Fix prototype.
1749 (init): Make "initialized" local scope.
1750 (cpp_create_reader): Always call init ().
1751 (cpp_start_read): Update.
1752 (output_deps): New function, broken out of cpp_finish.
1753 (cpp_finish): Break out output_deps.
1755 2001-01-07 Richard Henderson <rth@redhat.com>
1757 * collect2.c (COFF specific stuff): Revert 12-06 patch
1758 to prototype system functions.
1760 2001-01-07 Michael Hayes <mhayes@redhat.com>
1762 * hard-reg-set.h: Add multiple include guard.
1763 * basic-block.h (struct loop): Add `sink' field.
1764 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1765 (emit_iv_add_mult): Delete.
1766 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1767 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1768 (unroll_loop): Remove end_insert_before argument.
1769 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1770 (maybe_eliminate_biv_1): Likewise.
1771 (emit_iv_add_mult): Delete.
1772 (gen_add_mult, loop_regs_update): New.
1773 (loop_insn_emit_after, loop_insn_emit_before): New.
1774 (loop_insn_sink, loop_insn_sink_or_swim): New.
1775 (emit_iv_add_mult): Delete.
1776 (scan_loop): Set loop->sink.
1777 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1778 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1779 (maybe_eliminate_biv_1): Likewise.
1780 (maybe_eliminate_biv_1): Add basic block argument.
1781 * unroll.c (unroll_loop): Remove end_insert_before argument.
1782 (find_splittable_regs): Likewise.
1783 (find_splittable_regs): Use loop_insn_sink and its ilk.
1784 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1786 2001-01-07 Michael Hayes <mhayes@redhat.com>
1788 * loop.h (loop_insn_hoist): New prototype.
1789 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1790 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1791 (check_dbra_loop, load_mems): Likewise.
1792 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1793 (find_splittable_givs): Likewise.
1795 2001-01-07 Michael Hayes <mhayes@redhat.com>
1797 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1799 2001-01-07 Richard Henderson <rth@redhat.com>
1801 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1803 2001-01-07 Richard Henderson <rth@redhat.com>
1805 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1806 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1807 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1808 variant that handles a shared libgcc.
1809 (process_command): Always validate -{static,shared}-libgcc.
1810 (do_spec_1): New 'M' case.
1811 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1813 2001-01-07 Richard Henderson <rth@redhat.com>
1815 * Makefile.in (slibdir): New variable.
1816 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1817 (installdirs): Create slibdir.
1818 (install-libgcc, install-multilib): Defer to libgcc.mk.
1819 * configure.in (slibdir): Substitute.
1820 * mklibgcc.in (install): New target.
1822 * config/t-linux (SHLIB_LINK): Create links for the soname.
1823 (SHLIB_INSTALL): New.
1824 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1825 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1826 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1827 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1828 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1830 2001-01-07 Richard Henderson <rth@redhat.com>
1832 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1833 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1834 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1836 2001-01-07 Michael Hayes <mhayes@redhat.com>
1838 * loop.c (count_loop_regs_set): Delete.
1839 (load_mems_and_recount_loop_regs_set): Delete.
1840 (loop_regs_scan): Merge common code from count_loop_regs_set,
1841 scan_loop, and load_mems_and_recount_loop_regs_set.
1842 (scan_loop): Call load_mems directly and loop_regs_scan
1843 again if new registers created.
1845 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1847 * toplev.c (main): Call the front-end specific post_options
1848 hook if one is given.
1849 * toplev.h (struct_lang_hooks, lang_hooks): New.
1850 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1851 for the C front end.
1852 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1853 lang_hooks for the C++ front end.
1854 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1855 lang_hooks for the ObjC front end.
1856 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1857 * java/lang.c (lang_hooks): Hooks for the Java front end.
1859 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1861 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1862 for verbose DWARF[2] debugging.
1863 (cb_define, cb_undef): The new callbacks.
1864 * toplev.h (debug_define, debug_undef): Make const correct.
1865 * toplev.c (debug_define, debug_undef): Similarly. Do not
1866 perform the verbosity tests here anymore.
1868 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1870 * reload.c (subst_reloads): Take INSN argument. When
1871 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1872 * reload.h (subst_reloads): Adjust prototype.
1873 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1874 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1875 present in JUMP_INSNs and copy them to JUMP_LABEL.
1876 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1877 JUMP_INSNs and insns with REG_LABELs that are followed by
1878 JUMP_INSNs with the same REG_LABEL.
1879 * sched-rgn.c (is_cfg_nonregular): Likewise.
1880 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1882 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1884 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1886 2001-01-06 Richard Henderson <rth@redhat.com>
1888 * loop.c (scan_loop): Use xcalloc for the regs array.
1889 (load_mems_and_recount_loop_regs_set): Zero the new memory
1890 received from xrealloc.
1892 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1894 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1896 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1898 * integrate.c (copy_rtx_and_substitute): When copying
1899 an ignored return value, strip REG_FUNCTION_VALUE_P.
1901 2001-01-06 Michael Hayes <mhayes@redhat.com>
1903 * loop.c (debug_biv, debug_giv): New.
1904 (loop_biv_dump): Break out from ...
1905 (record_biv): ... here.
1906 (loop_giv_dump): Break out from ...
1907 (record_giv): ... here.
1908 (loop_bivs_check): Use print_simple_rtl.
1909 * unroll.c (loop_iterations): Use print_simple_rtl.
1911 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1913 * pa.md (return, return_internal): Modify patterns to prevent regrename
1914 mucking with the return pointer.
1916 2001-01-05 Richard Henderson <rth@redhat.com>
1918 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1920 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1922 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1923 version supplied by Matteo Frigo.
1925 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1927 * cpp.texi: Update for -MQ.
1928 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1929 (cpp_cleanup): Always free pfile->deps.
1930 (initialize_dependency_output): Don't create pfile->deps.
1931 (cpp_handle_option): Similarly.
1933 * gcc.c (cpp_options): Handle -MQ.
1934 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1935 * mkdeps.c (base_name): Remove.
1936 (deps_init): Don't allocate vector space until it's needed.
1937 (deps_free): Only free vectors if allocated.
1938 (deps_add_target, deps_add_dep): Update for initial allocation.
1939 (deps_add_default_target): Don't strip to the base_name.
1941 2001-01-05 DJ Delorie <dj@redhat.com>
1943 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1944 (INIT_EXPANDERS): Define.
1946 * config/v850/v850.c (struct machine_function): Define.
1947 (v850_save_machine_status): New function.
1948 (v850_restore_machine_status): New function.
1949 (v850_return_addr): New function.
1950 (v850_init_expanders): New function.
1952 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1953 and v850_init_expanders.
1955 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1957 * cpplib.h (struct cpp_reader): Add help_only field.
1958 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1959 (cpp_handle_option): Set pfile->help_only if we see -h,
1960 --help, -target-help, or --version. Print version string but
1961 do not set help_only if we see -v or -version. Make text
1962 printed by -v match that printed by (-)-version.
1964 * cppmain.c (main): Exit after option parsing if
1965 pfile->help_only is true.
1967 * toplev.c (independent_decode_option): Call print_version,
1968 then exit, if we see --version (but not -version).
1969 (print_version): Split lengthy message into two lines.
1971 2001-01-05 Nick Clifton <nickc@redhat.com>
1973 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1974 temporary string for initialisation before calling ggc_alloc_string.
1976 2001-01-06 Michael Hayes <mhayes@redhat.com>
1978 * rtl.h (print_simple_rtl): New.
1979 * print-rtl.c (print_simple_rtl): New.
1981 (print_rtx): Disable printing of flags and modes, etc.,
1982 if `flag_simple` nonzero.
1984 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1986 * function.c (fixup_var_refs): Use push_to_full_sequence where
1989 2001-01-05 Michael Meissner <meissner@redhat.com>
1991 * flags.h (flag_reorder_blocks): Add declaration.
1992 (flag_rename_block): Ditto.
1994 2001-01-05 DJ Delorie <dj@redhat.com>
1996 * function.c (reorder_blocks): Make sure the flags are all reset
1997 before using them to mark blocks, else a second invocation will
1998 corrupt the block chain.
1999 (reorder_blocks_0): New, resets the flags.
2001 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2003 * cse.c (find_comparison_args): Stop if the argument is known to
2006 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2008 * config/sh/sh.md (movdf): When splitting load into pair of
2009 registers, don't clobber the register used in the address too
2012 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2014 * varasm.c (mark_constant_pool): Improve initial comments.
2015 (mark_constants): Move marking of constants to mark_constant.
2016 (mark_constant): New function to recursively mark all constants
2017 referred to by a constant.
2019 2001-01-05 Catherine Moore <clm@redhat.com>
2021 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2023 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2025 * cp/lang-options.h: Bring comment in line with reality.
2026 * f/lang-options.h: Likewise.
2027 * java/lang-options.h: Likewise.
2028 * objc/lang-options.h: Likewise.
2029 * ch/lang-options.h: Likewise.
2030 * f/g77.texi: And update the manual.
2032 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2033 Denis Chertykov <denisc@overta.ru>
2035 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2036 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2037 * config/avr/avr.md (all peepholes that request a scratch register):
2038 Call it, FAIL the peephole if not safe (in interrupt functions).
2040 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2042 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2044 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2046 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2048 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2049 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2050 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2051 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2052 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2054 * extend.texi: Document these builtins.
2056 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2058 * c-common.c (lang_get_alias_set): Say we know nothing of
2059 VECTOR_TYPE aliasing.
2061 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2063 2001-01-05 Bruce Korb <bkorb@gnu.org>
2065 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2066 their x* equivalent versions for atexit-less systems
2067 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2068 systems (or any other system any more).
2070 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2072 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2073 output operands. Use arm_hard_register_operand for operand 4.
2074 (stmsi_postinc): Similarly.
2075 (ldmsi): Use arm_hard_register_operand for opernand 2.
2077 * arm.c (arm_hard_register_operand): New function.
2078 * arm-protos.h (arm_hard_register_operand): Prototype it.
2080 * arm.h (HARD_REGNO_RENAME_OK): Define.
2082 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2084 * simplify-rtx.c (cfc_args): add "unordered" field.
2085 (check_fold_consts): Set unordered field.
2086 (simplify_relational_operation): Simplify the unordered
2089 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2092 * emit-rtl.c (try_split): Fix code to mark labels.
2093 * jump.c (mark_jump_label): Make global.
2094 * rtl.h (mark_jump_label): Declare.
2096 * predict.c (estimate_probability): Handle unordred comparisons.
2098 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2100 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2101 * cppinit.c (initialize_dependency_output): Update.
2102 (cpp_finish): Output dummy targets for -MP.
2104 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2105 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2106 * gcc.c (cpp_options): Update to handle -MP.
2107 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2108 to quote only the default target.
2109 (deps_phony_targets): Insert a preceding newline. Rename from
2110 deps_dummy_targets for consistency.
2113 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2115 * calls.c (emit_library_call_value_1): Support
2116 INIT_CUMULATIVE_LIBCALL_ARGS.
2117 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2119 2001-01-04 Richard Henderson <rth@redhat.com>
2121 * c-decl.c (finish_struct): Detect flexible array members
2122 used in an inappropriate context.
2123 * c-typeck.c (really_start_incremental_init): Special case
2124 constructor_max_index for zero length arrays.
2125 (pop_init_level): Allow initialization of flexible array
2126 members. Deprecate initialization of zero length arrays.
2127 Don't issue missing initializer warning for flexible array
2128 members or zero length arrays.
2129 (process_init_element): Don't dereference null DECL_SIZE.
2130 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2131 Don't abort for empty constructors. Use size_binop
2132 (output_constructor): Add commentary regarding zero length
2133 array futures. Abort if we try to initialize an array of
2134 unspecified length with a non-empty constructor in the middle
2137 * extend.texi (Zero Length): Update and clarify documentation
2138 on static initialization.
2140 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2142 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2143 with more than 32767 words of local storage.
2145 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2147 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2148 for 'abs', 'labs', and 'fabs'.
2149 (c4x_expand_builtin): Likewise.
2150 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2152 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2154 * config/sh/sh.md (prget, prset): New insn types.
2155 (return delay slot): Dont' allow prset.
2156 (call, sfunc delay slot): Don't allow prget.
2157 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2158 for prset and prget.
2160 2001-01-05 Michael Hayes <mhayes@redhat.com>
2162 * loop.h (struct loop_reg): New.
2163 (struct loop_regs): Change to use array of `struct loop_reg'.
2164 * loop.c: Replace assortment of varrays with single regs array.
2165 (count_one_set): Delete may_not_move array argument
2166 and use regs array instead. All caller's changed.
2167 (count_loop_regs_set): Delete may_not_move and single_usage
2168 arguments and use regs array instead. All caller's changed.
2169 (find_single_use_in_loop): Replace usage array argument with pointer
2170 to regs structure. All caller's changed.
2171 (loop_optimize): Delete `moved_once' array.
2173 2001-01-05 Michael Hayes <mhayes@redhat.com>
2175 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2176 Use it instead of loop_info->has_call for scanning loop mems.
2177 (check_dbra_loop): Replace loop_info->has_call test with
2178 loop_info->has_nonconst_call.
2180 2000-01-04 Matthew Hiller <hiller@redhat.com>
2182 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2185 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2187 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2188 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2190 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2192 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2193 (flag_short_double, flag_short_wchar): Define.
2194 (c_common_nodes_and_builtins): Create many tree nodes shared
2195 between C and C++ here instead of in cp/decl.c and ...
2196 * c-decl.c (init_decl_processing): ... here.
2197 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2198 (flag_short_double, flag_short_wchar): Don't define.
2199 (record_builtin_type): New function.
2200 (build_void_list_node): New function.
2201 * c-common.h (flag_short_double, flag_short_wchar,
2202 record_builtin_type, build_void_list_node): Declare.
2204 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2206 * integrate.c (expand_inline_function): Don't put a virtual
2207 register into the reg map.
2209 * function.c (fixup_var_refs_1): If force_operand didn't put
2210 the address into the target, move it there.
2212 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2214 Special-case tree_decl/tree_list allocations.
2215 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2216 (OBJECT_SIZE): New macro.
2217 (NUM_EXTRA_ORDER): Likewise.
2218 (extra_order_size_table): New variable.
2219 (NUM_ORDERS): New macro.
2220 (objects_per_page_table): New variable.
2221 (object_size_table): New variable.
2222 (G.pages): Use NUM_ORDERS to bound the array.
2223 (G.page_tails): Likewise.
2224 (DIV_ROUND_UP): Remove.
2225 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2226 (alloc_page): Use OBJECT_SIZE.
2227 (size_lookup): Don't make it const.
2228 (ggc_alloc): Use OBJECT_SIZE.
2229 (ggc_set_mark): Likewise.
2230 (ggc_get_size): Likewise.
2231 (init_ggc): Set up the object_size_table, objects_per_page_table,
2232 and adjust size_lookup.
2233 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2234 (ggc_pop_context): Use NUM_ORDERS.
2235 (clear_marks): Likewise.
2236 (sweep_pages): Likewise.
2237 (poison_pages): Likewise.
2238 (ggc_print_statistics): Use OBJECT_SIZE.
2240 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2242 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2243 Only call array_size_for_constructor if last field and array type
2244 with no upper bound.
2246 2001-01-04 Philip Blundell <philb@gnu.org>
2248 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2249 from bit 31 downwards, if this requires no more insns.
2250 (count_insns_for_constant): New helper function for above.
2252 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2254 * gencodes.c (output_predicate_decls): Remove empty initializer.
2256 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2258 * tree.c (copy_node): Remove documentation about obstacks.
2259 (buidl1): Check that nobody tries to build 2-argument nodes this
2262 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2264 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2267 * gencodes.c (output_predicate_decls): Fill empty initializer
2270 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2272 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2273 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2275 (do_include): Handle missing headers like cpp0.
2276 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2277 paths with first include pathname. Don't strcat to uninitialized
2280 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2282 * regrename.c (regrename_optimize): Don't rename from frame pointer
2283 if frame_pointer_needed.
2284 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2285 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2286 (ia64_reorg): Use it instead of scheduling if ! optimize.
2287 (errata_emit_nops): Properly call asm_noperands.
2288 (ia64_sched_reorder): Finish cycle if we see an asm.
2289 (ia64_variable_issue): Clear scheduling state after asms.
2291 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2293 * cpp.texi: Update for -MT.
2294 * cppinit.c (initialize_dependency_output): Add a default
2295 target if none has been given already.
2296 (no_tgt, OPT_MT): New.
2297 (cpp_handle_option): Handle -MT. Update -M etc.
2298 * cpplib.h (struct cpp_options): Remove deps_target.
2299 * gcc.c (cpp_options): Handle -MT.
2300 * mkdeps.c (struct deps): Move from mkdeps.h.
2301 (deps_calc_target): Rename deps_add_default_target. Add a
2302 default target if none has been specified already.
2303 * mkdeps.h (struct deps): Move to mkdeps.c.
2304 (deps_calc_target): Rename deps_add_default_target.
2306 2000-01-03 Richard Henderson <rth@redhat.com>
2308 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2310 * c-typeck.c (push_init_level): Move checks for flexible array
2311 members and zero length arrays ...
2312 (pop_init_level): ... here. Silently discard empty initializations.
2314 * varasm.c (output_constructor): Update for sizeof change to
2317 * extend.texi (Zero Length): Clarify semantics.
2319 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2321 * configure.in (tm.h): Include isns-codes.h last.
2322 * configure: Rebuilt.
2324 2001-01-03 Richard Henderson <rth@redhat.com>
2326 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2327 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2329 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2331 * tradcpp.c (main): Make sure finclude() is called with a valid
2332 indepth value while handling -include.
2334 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2336 * gencodes.c (output_predicate_decls): New function.
2338 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2339 even if it is not the first time machmode.h is #included.
2340 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2341 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2342 * gcc.texi (Copyright): Added 2001.
2344 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2346 * c-common.c (c_common_lang_init): New function. Warn if format
2347 warning options which only have effects when used with -Wformat
2348 are used without -Wformat.
2349 * c-common.h (c_common_lang_init): Declare.
2350 * c-lang.c (lang_init): Call c_common_lang_init.
2351 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2353 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2355 * configure.in: Check for the mktemp command.
2356 * configure: Regenerate.
2357 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2358 $TEMP. Create temporary files with mktemp, if available at
2359 configure time; otherwise use set -C. Remove temporary files
2362 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2364 * configure.in: Require at least texinfo 4.0. Check for whether
2365 Pod::Man is sufficiently recent to regenerate GCC manpages.
2366 * configure: Regenerate.
2367 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2369 (GENERATED_MANPAGES): Define.
2370 (generated-manpages): New target. Depend on cpp.1 as well as
2372 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2373 configure to generated-manpages or empty) rather than on the
2374 manpages directly. Remove execute permission from installed
2375 gcov.1 as well as cpp.1.
2376 * cpp.1, gcov.1: Regenerate.
2378 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2381 tree_low_cst. Allow using cmpstrsi in more cases.
2383 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2385 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2388 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2390 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2391 * Makefile.in (HOST_CFLAGS): Mention build-make.
2393 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2395 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2398 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2400 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2403 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2406 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2407 reg_base_value and reg_known_value arrays.
2408 (init_alias_analysis): Add more cases to detect known values.
2409 * sched-deps.c (deps_may_trap_p): New function.
2410 (sched_analyze_2): Use it.
2412 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2414 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2415 don't discard an ASHIFTRT if we're shifting in a wider mode.
2417 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2419 * toplev.c (rest_of_compilation): Don't print basic block information
2420 when CFG isn't up to date.
2422 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2424 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2425 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2426 (UNALIGNED_SHORT_ASM_OP): Define.
2427 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2429 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2431 * fold-const.c (fold_convert): Fix typo.
2433 2001-01-02 Richard Henderson <rth@redhat.com>
2435 * c-common.h (ASM_INPUT_P): New.
2436 * c-parse.in (asm): Set it when needed.
2437 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2438 existance of an operand.
2440 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2442 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2443 (dwarf2out_frame_debug_expr): Likewise.
2444 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2446 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2448 * i386.c (ix86_split_to_parts): Return number of part required;
2450 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2452 (ix86_split_long_move): Use number of part returned
2453 by ix86_split_to_parts
2454 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2456 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2457 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2458 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2459 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2460 (ALIGN_MODE_128): Add TFmode.
2461 (IS_STACK_MODE): Likewise.
2462 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2463 (HARD_REGNO_OK): Support TFmodes.
2464 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2465 * i386.md (scheduler definitions): Use memory operand to determine
2466 fst/fld instructions; use mode attribute to determine real mode of
2468 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2469 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2471 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2473 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2475 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2477 * expr.c (store_constructor_field): Update ALIGN before calling
2480 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2482 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2485 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2487 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2490 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2492 * c-decl.c (start_function): Don't warn on third parameter to main.
2494 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2496 * tsystem.h: Define HAVE_DECL_GETOPT.
2498 2001-01-02 Philip Blundell <pb@futuretv.com>
2500 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2503 2001-01-02 Richard Henderson <rth@redhat.com>
2505 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2507 2001-01-02 Andreas Jaeger <aj@suse.de>
2509 * c-decl.c (c_decode_option): Remove support of
2512 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2513 (W_options): Add -Wmissing-noreturn here.
2515 * flow.c: Define lang_missing_noreturn_ok_p.
2516 (check_function_return_warnings): Use it.
2518 * c-common.h: Declare lang_missing_noreturn_ok_p.
2520 * c-lang.c (c_missing_noreturn_ok_p): New function.
2521 (lang_init): Set lang_missing_noreturn_ok_p.
2523 * invoke.texi (Warning Options): Document this.
2525 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2527 * extend.texi (C++ Extensions): New node for C++ attributes;
2528 describe init_priority and com_interface.
2529 * invoke.texi: Remove -finit-priority as it now has zero effect.
2530 * install.texi: Fix xref syntax.
2531 * md.texi: Likewise.
2533 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2535 * config.gcc (sparc64-wrs-vxworks*): New case.
2536 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2538 * config/sparc/sparc.c (sparc_override_options): Do support different
2539 pointer and architecture size.
2540 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2541 (POINTERS_EXTEND_UNSIGNED): Define.
2542 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2543 (FUNCTION_MODE): Define to be Pmode.
2544 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2546 * function.c (expand_function_end): Properly handle DECL_RESULT
2547 and copy when ptr_mode != Pmode.
2548 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2550 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * c-common.c (c_common_nodes_and_builtins): Set prototype
2553 parameters for __builtin_fputs, __builtin_fputc and
2554 __builtin_fwrite. Don't declare plain fputc as a builtin.
2556 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2558 * loop.c (add_label_notes): Increment the label usage count when
2559 a note is added to an insn which refers to a CODE_LABEL.
2560 * gcse.c (add_label_notes): Likewise.
2562 2001-01-01 Andreas Jaeger <aj@suse.de>
2564 * loop.c (scan_loop): Use xmalloc to allocate movables.
2566 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2568 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2569 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2570 * reload1.c (REGISTER_MOVE_COST): Likewise.
2571 * regclass.c (REGISTER_MOVE_COST): Likewise.
2572 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2573 dimension. Adjust all users.
2574 (init_reg_sets_1): Iterate on all modes.
2575 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2576 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2577 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2578 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2579 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2580 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2581 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2582 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2583 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2584 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2585 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2586 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2587 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2588 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2589 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2590 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2591 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2592 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2593 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2594 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2595 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2596 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2597 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2598 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2599 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2600 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2601 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2603 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2605 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2606 arg VARIES_P. Call it with extra arg.
2607 (true_dependence): Likewise.
2608 * rtl.h (rtx_addr_can_trap_p): Declare.
2609 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2611 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2612 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2613 pic offset table register if it's zero. All callers changed.
2614 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2616 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2618 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2619 STRING_POOL_ADDRESS_P.
2621 * config/sparc/sparc.c (input_operand): Properly test for short op.
2623 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2624 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2625 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2626 * config/sparc/elf.h: No longer include sol2.h.
2627 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2628 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2630 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2632 2001-01-01 Michael Hayes <mhayes@redhat.com>
2634 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2635 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2636 (record_initial): Likewise.
2637 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2638 (remap_split_bivs): Likewise.
2640 2001-01-01 Michael Hayes <mhayes@redhat.com>
2642 * loop.c (loop_ivs_free): New function.
2643 (strength_reduce): Break out from...
2645 2001-01-01 Michael Hayes <mhayes@redhat.com>
2647 * loop.h (struct iv): New.
2648 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2649 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2650 'reg_biv_class' fields with 'regs' and 'n_regs'.
2651 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2652 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2653 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2655 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2657 * resource.c (mark_referenced_resources): Abort() before
2658 attempting to mark a pseudo register.
2659 (mark_set_resources): Likewise.
2661 2001-01-01 Michael Hayes <mhayes@redhat.com>
2663 * loop.h (REG_IV_CLASS): New accessor macro.
2664 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2665 * unroll.c (REG_IV_CLASS): Likewise.
2667 See ChangeLog.4 for earlier changes.