1 2004-04-20 Paolo Bonzini <bonzini@gnu.org>
3 Revert part of 2004-04-17 change that moved -frename-registers
4 to -O1. -frename-registers is buggy.
6 * toplev.c (flag_rename_registers): Initialize to 0.
7 * doc/invoke.texi (Optimize options): Move -frename-registers
8 to "Not triggered by any -O level" section. Adjust commentary
11 2004-04-20 Anil Paranjpe <anilp1@kpitcummins.com>
13 * toplev.c (compile_file): Move targetm.asm_out.file_end call to end.
15 2004-04-20 Richard Sandiford <rsandifo@redhat.com>
17 * config/mips/mips.c (mips_legitimize_move): Generate special patterns
18 for mflo and mfhi instructions.
19 (mips_output_move): Remove mflo and mfhi handling.
20 * config/mips/mips.md (UNSPEC_MFHILO): New unspec.
21 (*mulsidi3_64bit): Update for new mfhi/mflo representation.
22 Likewise various define_peephole2s.
23 (*movdi_32bit, *movdi_64bit, *movsi_internal): Merge x<-J and x<-d
25 (*movdi_64bit, *movdi_64bit_mips16, *mov[shq]i_internal)
26 (*mov[shq]i_mips16): Remove mflo and mfhi alternatives.
27 (mfhilo_di, mfhilo_si): New patterns.
29 2004-04-20 Josef Zlomek <zlomekj@suse.cz>
31 * function.c (assign_parms): Force
32 MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.
34 2004-04-20 Josef Zlomek <zlomekj@suse.cz>
36 * var-tracking.c (variable_part_different_p): Variable parts differ
37 when the most recent locations differ.
39 2004-04-19 James E Wilson <wilson@specifixinc.com>
41 * rtl.h (reg_set_last): Delete declaration.
42 * rtlanal.c (reg_set_last): Delete.
44 2004-04-19 Roger Sayle <roger@eyesopen.com>
46 * fold-const.c (fold_convert): Make function extern/public.
47 * tree.h (fold_convert): Prototype here.
48 * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
49 expand_builtin_strrchr, expand_builtin_strpbrk,
50 expand_builtin_mempcpy, expand_builtin_bcopy,
51 expand_builtin_bzero, expand_builtin_memcmp,
52 expand_builtin_strcmp, expand_builtin_strncmp,
53 stabilize_va_list, expand_builtin_sprintf,
54 fold_trunc_transparent_mathfn, fold_builtin_logarithm,
55 fold_builtin_exponent, fold_builtin_mempcpy,
56 fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
57 fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
58 fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".
60 2004-04-19 Aldy Hernandez <aldyh@redhat.com>
62 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
63 (move_from_CR_gt_bit): New.
64 (cceq_ior_compare): Name previously unnamed pattern. Disable for
66 (cceq_rev_compare): Name previously unnamed pattern. Allow for
69 * config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
75 (e500_cceq_ior_compare): New.
76 (e500_flip_gt_bit): New.
78 * config/rs6000/rs6000.c (ccr_bit): Remove E500 specific code.
79 (print_operand): Add 'c' and 'D'.
80 (rs6000_generate_compare): Rewrite to generate correct rtl.
81 (rs6000_emit_sCOND): Handle E500.
82 (output_cbranch): Adjust for changes in rs6000_generate_compare.
83 (output_e500_flip_gt_bit): New.
85 * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
88 2004-04-19 Eric Christopher <echristo@redhat.com>
90 * config/mips/mips.h (DWARF2_ADDR_SIZE): New.
92 2004-04-19 David Edelsohn <edelsohn@gnu.org>
94 * doc/install.texi (*-ibm-aix*): Add AIX 5.1 assembler and archiver
97 2004-04-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
99 * doc/install.texi (Specific, mips-sgi-irix5): Fix IRIX 5.3 IDO
102 2004-04-19 Daniel Jacobowitz <drow@mvista.com>
104 * stor-layout.c (layout_decl): Check DECL_PACKED before calling
105 ADJUST_FIELD_ALIGN. Check maximum_field_alignment after.
107 2004-04-19 Andrew PInski <pinskia@physics.uc.edu>
109 * builtins.c (fold_builtin_cabs): Remove fndecl parameter.
110 (fold_builtin): Update caller to match.
113 * bb-reorder.c (fix_up_fall_thru_edges): Init cond_jump.
116 * builtins.c (fold_builtin_cabs): Mark fndecl as unused.
118 2004-04-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
120 * varasm.c (compare_constant, case VIEW_CONVERT_EXPR): Add case.
122 * expmed.c (expand_mult_highpart_adjust): Make OP1 valid for MODE.
123 (expand_mult_highpart_optab): Likewise.
124 (expand_mult_highpart): Make OP1 valid for WIDER_MODE, not MODE.
126 2004-04-19 Paul Brook <paul@codesourcery.com>
128 * config/arm/arm.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
129 floatunssisf2, floatunssidf2): New patterns.
131 2004-04-18 Mark Mitchell <mark@codesourcery.com>
134 * doc/invoke.texi (-fprofile-generate): Document requirement to
135 use -fprofile-generate when linking.
137 * doc/extend.texi (Strong Using): Warn users against using this
140 2004-04-18 Richard Sandiford <rsandifo@redhat.com>
142 * config/mips/mips-protos.h (m16_usym8_4, m16_usym5_4): Delete.
143 * config/mips/mips.h (mips_entry, mips_string_length): Delete.
144 (CONSTANT_POOL_BEFORE_FUNCTION, ASM_OUTPUT_POOL_EPILOGUE): Undefine.
145 * config/mips/mips.c (struct mips16_constant): Renamed from struct
146 constant. Propogate change throughout file.
147 (struct machine_function): Remove insns_len.
148 (mips_string_length, mips16_strings, string_constants): Delete.
149 (mips_classify_symbol): Return SYMBOL_CONSTANT_POOL for LABEL_REFs
150 when generating mips16 code. Remove special mips16 treatment of
152 (mips_symbolic_constant_p): Allow mips16 constant pool accesses
153 to have the form LABEL+CONSTANT.
154 (mips_symbolic_address_p): Fix comment.
155 (m16_usym8_4, m16_usym5_4): Delete.
156 (mips_output_function_epilogue): Remove mips16 string handling.
157 (mips_output_mi_thunk): Call mips16_lay_out_constants.
158 (mips_select_section, mips_encode_section_info): Remove mips16
160 (struct mips16_constant_pool): New.
161 (add_constant): Take a mips16_constant_pool structure. Keep pool
162 sorted into order of ascending mode size. Keep track of the highest
163 possible start address, taking padding and the masking of the base PC
165 (dump_constants_1): New function, split out from dump_constants.
166 Handle vector constants. Use gen_consttable_{int,float} rather than
167 separate functions for each mode.
168 (dump_constants): Simplify. Use GET_MODE_ALIGNMENT. Use gen_align
169 rather than separate functions for each alignment.
170 (mips_find_symbol): Delete.
171 (mips16_insn_length): New function, split out from
172 mips16_lay_out_constants.
173 (mips16_rewrite_pool_refs): New function.
174 (mips16_lay_out_constants): Rework. Remove string handling.
175 Always create an inline constant pool.
176 * config/mips/mips.md (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT)
177 (UNSPEC_ALIGN): New constants.
178 (UNSPEC_CONSTTABLE_[QHSD]I, UNSPEC_CONSTTABLE_[SD]F): Delete.
179 (UNSPEC_ALIGN_[248]): Delete.
180 (consttable_int, consttable_float, align): New patterns.
181 (consttable_[qhsd]i, consttable_[sd]f, align_[248]): Delete.
183 2004-04-17 Aldy Hernandez <aldyh@redhat.com>
185 * config/rs6000/altivec.h (vec_any_numeric): Correct typo in
188 2004-04-17 Alan Modra <amodra@bigpond.net.au>
191 * config/rs6000/rs6000.c (rs6000_stack_info): Make parm_size agree
192 with STARTING_FRAME_OFFSET.
194 2004-04-17 Richard Sandiford <rsandifo@redhat.com>
196 * config/mips/mips.h (PREDICATE_CODES): Add macc_msac_operand.
197 * config/mips/mips.c (macc_msac_operand): New function.
198 * config/mips/mips.md (*msac): Move after *macc.
199 (*msac2): New. Generalize macc-related peepholes so that they apply
202 2004-04-17 Paolo Bonzini <bonzini@gnu.org>
204 * opts.c (decode_options): Do not enable flag_rename_registers
206 * toplev.c (flag_rename_registers): Initialize
207 flag_rename_registers and flag_web to
208 AUTODETECT_FLAG_VAR_TRACKING.
209 (default_debug_hooks): New global.
210 (process_options): Initialize default_debug_hooks. Warn if
211 -fvar-tracking specified but not supported by the current
212 debug format. Do not run var tracking at -O0 or if not
213 supported by the current debug format, even if
214 -fvar-tracking was given. If -fno-rename-registers
215 is not specified, always run register renaming if var
216 tracking is supported by the default debugging information
217 format for the target, and we are at -O1 or higher; similarly
218 for -fweb, but only at -O2 or higher.
219 * doc/invoke.texi (Optimize Options): Document this.
221 2004-04-17 Richard Sandiford <rsandifo@redhat.com>
223 * configure.ac (gcc_cv_ld_as_needed): Use AC_CACHE_CHECK.
224 * configure: Regenerate.
226 2004-04-17 Richard Sandiford <rsandifo@redhat.com>
228 * gcc.c (used_arg): Check whether an option has been removed.
230 2004-04-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
232 * config.gcc (i[34567]86-*-solaris2*): Default to DWARF-2
233 debugging on Solaris 7 and up.
235 2004-04-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
237 * doc/install.texi (Specific, mips-sgi-irix5): Reflect working
239 Remove -save-temps workaround, handled automatically.
240 Require GNU binutils 2.15 for debugging.
241 Remove SGI make warnings since GNU make is now required.
242 (Specific, mips-sgi-irix6): Some markup fixes.
243 Describe MIPSpro C problems and workarounds.
244 Mention working O32 ABI support.
245 Recommend GNU as 2.15 for O32 with debugging.
246 Remove description of fixed structure pass/return bug.
248 2004-04-16 DJ Delorie <dj@redhat.com>
250 * sdbout.c (sdbout_one_type): Use TYPE_VALUES for enums, not
252 (sdbout_finish): Don't free deferred_global_decls; it's GC'd.
254 2004-04-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
256 * pa.md: Remove unnecessary declarations for asm_out_file.
258 * pa64-regs.h (DBX_REGISTER_NUMBER): Simplify and correct mapping of
259 SAR register. Fix comment.
260 (ADDITIONAL_REGISTER_NAMES): Correct register number of SAR register
263 * pa64-hpux.h (LIB_SPEC): Fix library specification used with GNU ld.
265 2004-04-16 Nick Clifton <nickc@redhat.com>
267 * config/arm/arm.c (arm_override_options): Revert previous patch.
268 * config/arm/t-xscale-elf: Disable iwmmxt multilibs until they can
271 2004-04-16 Kazuhiro Inaoka <inaoka dot kazuhiro at renesas dot com>
273 * config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian
275 (TARGET_LITTLE_ENDIAN, TARGET_BIG_ENDIAN,
276 TARGET_DEFAULT): Changed. Ditto.
277 (LITTLE_ENDIAN_BIT, TARGET_CPU_DEFAULT,
278 TARGET_ENDIAN_DEFAULT): Added. Ditto.
279 * config/m32r/little.h (TARGET_LITTLE_ENDIAN): Deleted.
280 (TARGET_ENDIAN_DEFAULT): Added.
282 2004-04-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * builtins.def (BUILT_IN_ISDIGIT, BUILT_IN_ISXDIGIT): Mark with
285 ATTR_CONST_NOTHROW_LIST.
287 2004-04-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
290 * builtins.c (expand_builtin_signbit): Test BYTES_BIG_ENDIAN, not
293 2004-04-15 Pat Haugen <pthaugen@us.ibm.com>
295 * ra-debug.c (ra_print_rtx): Add break's to case legs.
297 2004-04-14 James E Wilson <wilson@specifixinc.com>
299 * Makefile.in (fixinc.sh): Set WARN_CFLAGS to empty string.
301 2004-04-14 Nathanael Nerode <neroden@gcc.gnu.org>
303 * libada-mk.in: New file.
304 * configure.ac: Create libada-mk from libada-mk.in.
305 * configure: Regenerate.
307 2004-04-14 Uros Bizjak <uros@kss-loka.si>
309 * optabs.h (enum optab_index): Add new OTI_logb and OTI_ilogb.
310 (logb_optab, ilogb_optab): Define corresponding macros.
311 * optabs.c (init_optabs): Initialize logb_optab and ilogb_optab.
312 * genopinit.c (optabs): Implement logb_optab and ilogb_optab
313 using logb?f2 and ilogb?i2 patterns.
314 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOGB{,F,L}
315 using logb_optab, and BUILT_IN_ILOGB{,F,L} using ilogb_optab.
316 (expand_builtin): Expand BUILT_IN_LOGB{,F,L} and BUILT_IN_ILOGB{,F,L}
317 using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
319 * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_XTRACT_FRACT
320 and UNSPEC_XTRACT_EXP.
322 * config/i386/i386.md (*fxtractdf3, *fxtractsf3, *fxtractxf3): New
323 patterns to implement fxtract x87 instruction.
324 (logbdf2, logbsf2, logbxf2, ilogbsi2): New expanders to implement
325 logb, logbf, logbl, ilogb, ilogbf and ilogbl built-ins as inline x87
327 (UNSPEC_XTRACT_FRACT, UNSPEC_XTRACT_EXP): New unspecs to represent
330 2004-04-14 Eric Christopher <echristo@redhat.com>
332 * config/mips/t-elf: Enable multilibs by default.
334 2004-04-14 Andreas Tobler <a.tobler@schweiz.ch>
336 * bb-reorder.c (fix_crossing_conditional_branches): Adjust the
337 previous fix to check HAVE_return at runtime too.
339 2004-04-14 Nick Clifton <nickc@redhat.com>
341 * config/arm/arm.c (arm_override_options): If the user has not
342 specified an ABI, then default to AAPCS for the iWMMXt processor.
343 * config/arm/t-xscale-elf: Remove redundant multilib specifications.
344 * config/arm/t-xscale-coff: Likewise.
346 2004-04-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * builtins.c (fold_builtin_isdigit): New.
349 (fold_builtin): Handle BUILT_IN_ISDIGIT.
350 * defaults.h: Add TARGET_DIGIT0 and sort.
351 * doc/tm.texi: Add TARGET_BS and TARGET_DIGIT0.
353 2004-04-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * builtins.c (fold_builtin_cabs, fold_builtin): Use
356 `mathfn_built_in' to determine the new builtin.
357 * fold-const.c (fold): Likewise.
359 2004-04-14 Richard Sandiford <rsandifo@redhat.com>
361 * doc/invoke.texi: Rename MIPS's -mfix-vr4122-bugs to -mfix-vr4120.
362 * config/mips/mips.h (MASK_FIX_VR4120): Renamed from MASK_FIX_VR4122.
363 (TARGET_FIX_VR4120): Likewise TARGET_FIX_VR4122.
364 (TARGET_SWITCHES): Replace -mfix-vr4122-bugs with -mfix-vr4120.
365 (ASM_SPEC): Update accordingly.
366 * config/mips/mips.c: Update after above renaming.
367 * config/mips/mips.md, config/mips/t-vr, config/mips/vr.h: Likewise.
368 * config/mips/vr4120-div.S: Renamed from vr4122-div.S.
370 2004-04-13 James E Wilson <wilson@specifixinc.com>
372 * c-opt.c (c_common_post_options): If this_input_filename is NULL,
373 increment errorcount and return false instead of true.
375 2004-04-13 Uros Bizjak <uros@kss-loka.si>:
377 * optabs.c (expand_twoval_unop): Reorder function arguments.
378 * builtins.c (expand_builtin_mathfn_3): Update calls to
381 * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_TAN_ONE
382 and UNSPEC_TAN_TAN. Add missing comment.
384 * config/i386/i386.md (*tandf3_1, *tansf3_1, *tanxf3_1): New
385 patterns to implement fptan x87 instruction.
386 (tandf2, tansf2, tanxf2): New expanders to implement tan, tanf
387 and tanl built-ins as inline x87 intrinsics. Define corresponding
388 peephole2 optimizers for 'fptan; fstp %st(0); fld1' sequence.
389 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): New unspecs to represent
392 2004-03-13 Richard Henderson <rth@redhat.com>
394 * bb-reorder.c (fix_crossing_unconditional_branches): Use Pmode
397 * defaults.h (HOT_TEXT_SECTION_NAME): Add leading dot.
398 (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Likewise.
399 * doc/invoke.texi: Update to match.
401 * varasm.c (unlikely_text_section): Use assemble_align instead of
402 ASM_OUTPUT_ALIGN. Use it in the correct place with an approximately
403 correct alignment argument.
405 2004-04-13 Ulrich Weigand <uweigand@de.ibm.com>
407 * reload1.c (emit_reload_insns): Set reg_has_output_reload to one
408 after setting reg_last_reload_reg for optional output reloads.
410 2004-04-12 Fariborz Jahanian <fjahanian@apple.com>
412 * config/rs6000/altivec.h (vec_mergeh, vec_mergel):
413 Definition of these two macros are corrected by adding
414 matchine right paren.
416 2004-04-12 Jonathan Larmour <jifl@eCosCentric.com>
418 * fix-header.c: kill(), putenv() and tzset() are POSIX not ANSI.
420 2004-04-12 Roger Sayle <roger@eyesopen.com>
422 * config/i386/i386.c (output_387_reg_move): New function.
423 * config/i386/i386-protos.h (output_387_reg_move): Prototype here.
424 * config/i386/i386.md (*movsf_1, *movsf1_nointerunit,
425 *movdf_nointeger, *movdf_integer, *movxf_nointeger, *movxf_integer,
426 *extendsfdf2_1, *extendsfxf2_1, *extenddfxf2_1, truncdfsf2_noop,
427 truncxfsf2_noop, truncxfdf2_noop): Call output_387_reg_move.
429 2004-04-12 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
431 * c-decl.c (finish_decl): Make a decl_stmt for a variable-sized
433 * c-semantics.c (genrtl_decl_stmt): Handle TYPE_DECL.
434 * stmt.c (expand_decl): Remove redundant expansion of TYPE_DOMAIN.
435 * stor-layout.c (variable_size): Don't check for MINUS_EXPR.
436 Use skip_simple_arithmetic to find SAVE_EXPR.
437 (force_type_save_exprs, force_type_save_exprs_1): New functions.
438 * tree-inline.c (remap_type, case POINTER_TYPE, case REFERENCE_TYPE):
439 Properly chain multiple pointers.
440 (copy_tree_r): Copy a TYPE_DECL.
441 * tree.c (variably_modified_type_p): Add some missing tests and
442 make some other minor changes.
443 * tree.h (force_type_save_exprs): New declaration.
445 2004-04-12 Roger Sayle <roger@eyesopen.com>
447 * simplify-rtx.c (simplify_binary_operation) <UDIV, DIV, UMOD, MOD>:
448 Remove fall throughs. Convert 0/x and 0%x into x&0 when x has
449 side-effects. Don't convert x/1.0 into x if we honor signaling NaNs.
450 Convert x/-1.0 into -x if we don't honor signaling NaNs. Convert
451 x/-1 into -x. Optimize x%1 into x&0 if x has side-effects. Optimize
452 x%-1 into 0 (or x&0 if x has side-effects).
454 2004-04-11 Aldy Hernandez <aldyh@redhat.com>
456 * config/rs6000/rs6000.md: Document why a pattern is not
459 * config/rs6000/rs6000.c (rs6000_emit_cmove): Disable comparisons
460 of floats on the E500.
461 (branch_positive_comparison_operator): Do not allow NE even on the
464 2004-04-11 Aldy Hernandez <aldyh@redhat.com>
466 * config/rs6000/rs6000.c (rs6000_assemble_integer): Change
467 in_text_unlikely_section to in_unlikely_text_section.
469 2004-04-11 Roger Sayle <roger@eyesopen.com>
471 * fold-const.c (fold_binary_op_with_conditional_arg): Tweak
472 calling convention to allow a NULL_TREE to be returned. Factor
473 sanity checks from callers, return NULL_TREE when appropriate.
474 (fold): Handle COMPOUND_EXPR operands of binary expressions
475 before COND_EXPR operands. Use reorder_operands_p(a,b) to check
476 whether a op (b,c) can be rewritten as (b, a op c). Simplify
477 calls to fold_binary_op_with_conditional_arg.
479 2004-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * config/mips/iris5.h (current_section_flags): Add
482 in_unlikely_executed_text and default case.
484 2004-04-11 Andreas Tobler <a.tobler@schweiz.ch>
486 * bb-reorder.c (fix_crossing_conditional_branches): Fix bootstrap
487 failure on solaris. Place ifdef HAVE_return around gen_ret call.
488 * cfgrtl.c (force_nonfallthru_and_redirect): Remove ifdef
489 HAVE_return and place it around the place where it is needed.
491 2004-04-11 Andrew Pinski <pinskia@physics.uc.edu>
493 * varasm.c (text_section): Use TEXT_SECTION_ASM_OP and
494 ASM_OUTPUT_ALIGN instead of SECTION_FORMAT_STRING
495 and NORMAL_TEXT_SECTION_NAME.
496 (unlikely_text_section): Check targetm.have_named_sections
497 instead of TARGET_ASM_NAMED_SECTION and use TEXT_SECTION_ASM_OP
498 instead of SECTION_FORMAT_STRING.
499 * config/mips/iris5.h (current_section_name): Add
500 in_unlikely_executed_text case and move the abort into the switch.
501 * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME): Remove.
502 (NORMAL_TEXT_SECTION_NAME): Remove.
503 (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Remove.
504 (SECTION_FORMAT_STRING): Remove.
505 * defaults.h (SECTION_FORMAT_STRING): Remove.
506 * tm.texi (NORMAL_TEXT_SECTION_NAME): Remove.
507 (SECTION_FORMAT_STRING): Remove.
509 2004-04-10 Joseph S. Myers <jsm@polyomino.org.uk>
511 * c-typeck.c (common_type): Prefer long long to long when same
514 2004-04-09 Zack Weinberg <zack@codesourcery.com>
517 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Look only at
519 * config/ia64/ia64.c (ia64_hpux_file_end): Check
520 TREE_SYMBOL_REFERENCED on DECL_ASSEMBLER_NAME, not DECL_NAME.
522 2004-04-09 Roger Sayle <roger@eyesopen.com>
524 * simplify-rtx.c (mode_signbit_p): New function to check whether
525 an RTX is an immediate constant that represents the most significant
526 bit of a given machine mode.
527 (simplify_unary_operation) <NOT>: Optimize ~(X+C) as X ^ ~C, where
529 (simplify_binary_operation) <PLUS>: Optimize (X^C1) + C2 as X^(C1^C2)
530 when C2 is the sign bit.
531 (simplify_binary_operation) <XOR>: Canonicalize X^C as X+C when C
532 is the sign bit. Optimize (X+C1) ^ C2 as X^(C1^C2) when C1 is the
535 2004-04-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
537 * builtins.c (mathfn_built_in): Check TYPE_MAIN_VARIANT, not
540 2004-04-09 Andrew Pinski <pinskia@physics.uc.edu>
542 * c-common.c (handle_noreturn_attribute): Use TYPE_READONLY instead
543 of TREE_READONLY for types.
545 2004-04-09 Caroline Tice <ctice@apple.com>
547 * basic-block.h (struct edge_def): Add new field, crossing_edge.
548 (struct basic_block_def): Add new field, partition.
549 (UNPARTITIONED, HOT_PARTITION, COLD_PARTITION): New constant macro
551 (partition_hot_cold_basic_blocks): Add extern function
553 * bb-reorder.c (function.h, obstack.h, expr.h, regs.h): Add four new
555 (N_ROUNDS): Increase the maximum number of rounds by 1.
556 (branch_threshold): Add array value for new round.
557 (exec_threshold): Add array value for new round.
558 (push_to_next_round_p): New function.
559 (add_unlikely_executed_notes): New function.
560 (find_rarely_executed_basic_blocks_and_crossing_edges): New function.
561 (mark_bb_for_unlikely_executed_section): New function.
562 (add_labels_and_missing_jumps): New function.
563 (add_reg_crossing_jump_notes): New function.
564 (fix_up_fall_thru_edges): New function.
565 (find_jump_block): New function.
566 (fix_crossing_conditional_branches): New function.
567 (fix_crossing_unconditional_branches): New function.
568 (fix_edges_for_rarely_executed_code): New function.
569 (partition_hot_cold_basic_blocks): New function.
570 (find_traces): Add an extra round for partitioning hot/cold
572 (find_traces_1_round): Add a parameter. Modify to push all cold blocks,
573 and only cold blocks, into the last (extra) round of collecting traces.
574 (better_edge_p): Add a parameter. Modify to favor non-crossing edges
576 (bb_to_key): Add code to correctly identify cold blocks when
578 (connect_traces): Modify to connect all the non-cold traces first, then
579 go back and connect up all the cold traces.
580 (reorder_basic_blocks): Add call to add_unlikely_executed_notes.
581 * cfg.c (entry_exit_blocks): Add initialization for partition field in
582 entry and exit blocks.
583 * cfgbuild.c (make_edges): Update current_function_has_computed_jump
584 if we are doing hot/cold partitioning.
585 * cfgcleanup.c (cfglayout.h): Add new include statement.
586 (try_simplify_condjump): Modify to not attempt on blocks with jumps
587 that cross section boundaries.
588 (try_forward_edges): Likewise.
589 (merge_blocks_move_predecessor_nojumps): Likewise.
590 (merge_blocks_move_successor_nojumps): Likewise.
591 (merge_blocks_move): Likewise.
592 (try_crossjump_to_edge): Modify to not attempt after we have done
593 the block partitioning.
594 (try_crossjump_bb): Modify to not attempt on blocks with jumps that
595 cross section boundaries.
596 (try_optimize_cfg): Likewise.
597 * cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
598 jumps that cross section boundaries.
599 * cfglayout.c (flags.h): Add new include statement.
600 (update_unlikely_executed_notes): New function.
601 (fixup_reorder_chain): Add code so when a new jumping basic block is
602 added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
603 updated appropriately.
604 (duplicate_insn_chain): Add code to duplicate the new NOTE insn
605 introduced by this optimization.
606 * cfglayout.h (scan_ahead_for_unlikely_executed_note): Add new
607 extern function declaration.
608 * cfgrtl.c (can_delete_note_p): Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
609 list of notes that can be deleted.
610 (create_basic_block_structure): Add initialization for partition field.
611 (rtl_can_merge_blocks): Modify to test blocks for jumps that cross
613 (try_redirect_by_replacing_jump): Modify to not attempt on jumps that
614 cross section boundaries.
615 (commit_one_edge_insertion): Add code so newly created basic block
616 ends up in correct (hot or cold) section. Modify to disallow
617 insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
618 (rtl_verify_flow_info_1): Add code to verify that no fall_thru edge
619 crosses section boundaries.
620 (cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
621 cross section boundaries.
622 (force_nonfallthru_and_redirect): Modify to make sure new basic block
623 ends up in correct section, with correct notes attached.
624 * common.opt (freorder-blocks-and-partition): Add new flag for this
626 * dbxout.c (dbx_function_end): Add code to make sure scope labels at
627 the end of functions are written into the correct (hot or cold)
629 (dbx_source_file): Add code so writing debug file information
630 doesn't incorrectly change sections.
631 * defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
632 in partitioning hot/cold basic blocks into separate sections.
633 (SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
634 section partitioning.
635 (HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
636 conditional branches can span all of memory.
637 (HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
638 unconditional branches can span all of memory.
639 * final.c (scan_ahead_for_unlikely_executed_note): New function.
640 (final_scan_insn): Add code to check for NOTE instruction indicating
641 whether basic block belongs in hot or cold section, and to make sure
642 the current basic block is being written to the appropriate section.
643 Also added code to ensure that jump table basic blocks end up in the
645 * flags.h (flag_reorder_blocks_and_partition): New flag.
646 * ifcvt.c (find_if_case_1): Modify to not attempt if conversion if
647 one of the branches has a jump that crosses between sections.
648 (find_if_case_2): Likewise.
649 (ifcvt): Modify to not attempt to mark loop exit edges after
650 hot/cold partitioning has occurred.
651 * opts.c (decode_options): Code to handle new flag,
652 flag_reorder_blocks_and_partition; also to turn it off if
653 flag_exceptions is on.
654 (common_handle_option): Code to handle new flag,
655 flag_reorder_blocks_and_partition.
656 * output.h (unlikely_text_section): New extern function declaration.
657 (in_unlikely_text_section): New extern function declaration.
658 * passes.c (rest_of_handle_stack_regs): Add
659 flag_reorder_blocks_and_partition as an 'or' condition for calling
660 reorder_basic_blocks.
661 (rest_of_handle_reorder_blocks): Add flag_reorder_blocks_and_partition
662 as an 'or' condition for calling reorder_basic_blocks.
663 (rest_of_compilation): Add call to partition_hot_cold_basic_blocks.
664 * print-rtl.c (print_rtx): Add code for handling new note,
665 NOTE_INSN_UNLIKELY_EXECUTED_CODE
666 * rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
667 (REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
668 cross between section boundaries.
669 * rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note instruction,
670 indicating the basic block containing it belongs in the cold section.
671 (REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
672 between hot and cold sections.
673 * toplev.c (flag_reorder_blocks_and_partition): Add code to
674 initialize this flag, and to tie it to the command-line option
675 freorder-blocks-and-partition.
676 * varasm.c (cfglayout.h): Add new include statement.
677 (unlikely_section_label_printed): New global variable, used for
678 determining when to output section name labels for cold sections.
679 (in_section): Add in_unlikely_executed_text to enum data structure.
680 (text_section): Modify code to use SECTION_FORMAT_STRING and
681 NORMAL_TEXT_SECTION_NAME macros.
682 (unlikely_text_section): New function.
683 (in_unlikely_text_section): New function.
684 (function_section): Add code to make sure beginning of function is
685 written into correct section (hot or cold).
686 (assemble_start_function): Add code to make sure stuff is written to
688 (assemble_zeros): Add in_unlikely_text_section as an 'or' condition
689 to an if statement that was checking 'in_text_section'.
690 (assemble_variable): Add 'in_unlikely_text_section' as an 'or'
691 condition to an if statement that was checking 'in_text_section'.
692 (default_section_type_flags_1): Add check: if in cold section
693 flags = SECTION_CODE.
694 * config/darwin.c (darwin_asm_named_section): Modify to use
695 SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
696 * config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
697 specifically for the i386.
698 (HAS_LONG_UNCOND_BRANCH): Defined this macro specifically for the i386.
699 * config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
700 text string to something more informative.
701 (NORMAL_TEXT_SECTION_NAME): Add new definition.
702 (SECTION_FORMAT_STRING): Add new definition.
703 * config/rs6000/rs6000.c (rs6000_assemble_integer): Add
704 '!in_unlikely_text_section' as an 'and' condition to an if statement
705 that was already checking '!in_text_section'.
706 * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
707 UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
708 sure these are properly defined for linux on ppc.
709 * doc/invoke.texi (freorder-blocks-and-partition): Add documentation
711 * doc/rtl.texi (REG_CROSSING_JUMP): Add documentation for new
713 * doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
714 HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
717 2004-04-08 Roger Sayle <roger@eyesopen.com>
719 * function.c (gen_mem_addressof): When changing the RTX from a REG
720 to a MEM, clear MEM_VOLATILE_P which was formerly REG_USERVAR_P.
722 2004-04-08 Roger Sayle <roger@eyesopen.com>
725 * config/i386/i386.md (truncdfsf2_noop, truncxfsf2_noop,
726 truncxfdf2_noop): Provide dummy "fmov" implementations.
728 2004-04-08 Ian Lance Taylor <ian@wasabisystems.com>
730 * gcc.c (default_compilers): Add missing initializers.
732 * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
733 Return 1 if file was successfully mapped.
735 2004-04-08 Geoffrey Keating <geoffk@apple.com>
740 * doc/invoke.texi (Precompiled Headers): Suggest -o
741 to put an output file in a particular place. Be more detailed
742 about which options affect PCH validity and which options
744 * c-pch.c (pch_matching): New.
746 (struct c_pch_validity): New field 'match'.
747 (pch_init): Handle pch_matching.
748 (c_common_valid_pch): Check pch_matching.
750 * explow.c: Fix typo defining default of PROMOTE_FUNCTION_MODE.
752 2004-04-08 Mark Mitchell <mark@codesourcery.com>
754 * doc/invoke.texi (Precompiled Headers): Warn about known
757 2004-04-08 Danny Smith <dannysmith@users.sourceforge.net>
760 * defaults.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): New macro. Default
761 to 1 if ASM_OUTPUT_DEF is defined.
762 * doc/tm.texi (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document.
763 * config/i386/cygming.h (TARGET_USE_LOCAL_THUNK_ALIAS_P): Define.
764 Set to non-zero iff not a one_only decl.
766 2004-04-08 Paul Brook <paul@codesourcery.com>
768 * arm.h (CLASS_LIKELY_SPILLED_P): Define.
770 2004-04-08 Paul Brook <paul@codesourcery.com>
772 * explow.c (promote_mode): Use PROMOTE_FUNCTION_MODE instead of
773 PROMOTE_FOR_CALL_ONLY.
774 * config/arm/arm-protos.h (arm_function_value): Declare.
775 * config/arm/arm.h (TARGET_PROMOTE_FUNCTION_ARGS): Define.
776 (TARGET_PROMOTE_PROTOTYPES): Return false.
777 (arm_function_value): New function.
778 * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Define.
779 (FUNCTION_VALUE): Call arm_function_value.
780 * config/cris/cris.h (PROMOTE_MODE): Rename ...
781 (PROMOTE_FUNCTION_MODE): ... to this.
782 (PROMOTE_FOR_CALL_ONLY): Remove.
783 * config/mmix/mmix.h: Likewise.
784 * config/s390/s390.h: Likewise.
785 * config/sparc/sparc.h: Likewise.
786 * config/sparc/sparc.c: Update comments about PROMOTE_MODE.
787 * doc/tm.texi (PROMOTE_FUNCTION_MODE): Document.
788 (TARGET_PROMOTE_FUNCTION_MODE, TARGET_PROMOTE_FUNCTION_RETURN): Update.
789 (PROMOTE_FOR_CALL_ONLY): Remove.
791 2004-04-08 Joel Sherrill <joel@oarcorp.com>
794 * ada/5rosinte.adb: Remove fake mprotect() body.
795 * ada/5rosinte.ads: Add SA_SIGINFO.
796 * ada/5rtpopsp.adb: Rewrite to use new interface.
797 * ada/init.c: Reorder so the simple single OS conditional __rtems__
798 is tested before more complex ones which mix UNIX and embedded
799 systems in the conditional.
801 2004-04-08 Joel Sherrill <joel@oarcorp.com>
804 * ada/osint.adb (Find_Program_Name): Rework to properly handle
805 filenames which end in .exe or have versioning suffixes like VMS.
807 2004-04-08 Andrew Pinski <pinskia@physics.uc.edu>
810 * config/darwin.c (darwin_encode_section_info): When the decl has
811 a DECL_INITIAL, it is only defined also when it is not a common.
813 2004-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
815 * builtins.c (fold_builtin_isascii, fold_builtin_toascii): New.
816 (fold_builtin): Handle BUILT_IN_ISASCII and BUILT_IN_TOASCII.
818 2004-04-07 H.J. Lu <hongjiu.lu@intel.com>
820 * config/ia64/ia64.c (ia64_encode_section_info): Don't prod
821 global register variables.
823 2004-04-07 Joseph S. Myers <jsm@polyomino.org.uk>
825 * fixinc/inclhack.def (rpc_xdr_lvalue_cast_a,
826 rpc_xdr_lvalue_cast_b): New fixes.
827 * fixinc/fixincl.x: Regenerate.
828 * fixinc/tests/base/rpc/xdr.h: Add new tests.
830 2004-04-07 David Edelsohn <edelsohn@gnu.org>
832 * config/rs6000/rs6000.c (processor_target_table): Add MASK_MFCRF
833 to power4 and power5 entries.
835 2004-04-06 Geoffrey Keating <geoffk@apple.com>
837 * c-common.h (pending_lang_change): Mark for PCH.
839 2004-04-07 Caroline Tice <ctice@apple.com>
841 * gcc.c (main): Move 'break' in main loops (on an error)
842 to wait until error processing has occurred.
844 2004-04-06 Nathanael Nerode <neroden@gcc.gnu.org>
846 * config.gcc: Stop changing enable_threads midstream.
847 Replace uses of enable_threads_flag with enable_threads.
848 * configure.ac: Replace uses of enable_threads_flag with
849 enable_threads. Improve autoconf quotation in one place.
850 * configure: Regenerate.
852 2004-04-06 Uros Bizjak <uros@kss-loka.si>
854 * builtins.c: Implement support for sincos function.
855 (expand_builtin_mathfn): Remove BUILT_IN_SIN{,F,L} and
857 (expand_builtin_mathfn_3): New function.
858 (expand_builtin): Expand BUILT_IN_SIN{,F,L} and
859 BUILT_IN_COS{,F,L} using expand_builtin_mathfn_3 if
860 flag_unsafe_math_optimization is set.
862 * optabs.h (enum optab_index): Add new OTI_sincos.
863 (sincos_optab): Define corresponding macro.
865 * optabs.c (init_optabs): Initialize sincos_optab.
866 (expand_twoval_unop): New function.
868 * genopinit.c (optabs): Implement sincos_optab using sincos?f3
871 * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_SINCOS_COS
872 and UNSPEC_SINCOS_SIN.
874 * config/i386/i386.md (sincosdf3, sincossf3, *sincosextendsfdf3,
875 sincosxf3): New patterns to implement sincos, sincosf and sincosl
876 built-ins as inline x87 intrinsics. Define splits for
877 sindf2, sinsf2, *sinextendsfdf2, sinxf2, cosdf2,
878 cossf2, *cosextendsfdf2 and cosxf2 patterns from corresponding
880 (sindf2, sinsf2, sinxf2): Rename to *sindf2, *sinsf2, *sinxf2.
881 (cosdf2, cossf2, cosxf2): Rename to *cosdf2, *cossf2, *cosxf2.
883 (UNSPEC_SINCOS_SIN, UNSPEC_SINCOS_COS): New unspecs to represent
886 2004-04-06 Devang Patel <dpatel@apple.com>
889 * config/darwin.h (LINK_COMMAND_SPEC): Use c++filt instead of c++filt3.
891 2004-04-06 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
893 * doc/install.texi: Update HP-UX 11 installation procedure.
895 2004-04-06 Paul Brook <paul@codesourcery.com>
897 * doc/sourcebuild.texi: Remove obsolete contraint on testcases.
899 2004-04-05 Kaz Kojima <kkojima@gcc.gnu.org>
901 * config/sh/sh.c (prepare_move_operands): Use emit_call_insn
902 when the TLS address is generated by a function call.
903 * config/sh/sh.md (tls_global_dynamic): Use a call expression.
904 (tls_local_dynamic): Likewise.
906 2004-04-05 Andrew Pinski <pinskia@physics.uc.edu>
908 * tree.c (reconstruct_complex_type): Use TYPE_READONLY
911 2004-04-05 Caroline Tice <ctice@apple.com>
913 * gcc.c (combine_flag): New global variable, for new driver option.
914 (struct compiler): Add two new fields, to be used when
915 combining multiple input files in a single pass (IMA).
916 (default_compilers): Add values for the new fields to all
917 compiler entries. Modify the "@c" compiler entry for doing IMA
918 properly with "-save-temps" and the "combine" flag.
919 (option_map): Add new driver option, "--combine", to tell driver
920 to pass multiple input files to compiler at one time.
921 (have_o_argbuf_index): New global variable.
922 (store_arg): Modify to assign value to have_o_argbuf_index.
923 (struct infile): Add three new fields, to help with IMA.
924 (display_help): Add help for new "combine" option.
925 (process_command): Remove local variable have_o; add code to check
926 for new "combine" option; remove assignment to combine_inputs.
927 (do_spec_1): Modify to deal with IMA better.
928 (main): Make variable 'lang_n_infiles' local to entire function
929 rather than to a single block. Use flag combine_flag to
930 determine whether to do IMA or not; Modify loop initializing
931 infiles to deal properly with linker files.
932 Add code for doing preprocessing in presence of
933 IMA with "-save-temps" flag. Modify "main" loop to handle
934 multiple input files, in multiple languages, with or without
935 preprocessing, gracefully.
936 * toplev.c (set_src_pwd): Modify to not complain if attempting to
937 re-set it to same directory it's previously been set to (avoid
938 irritating, meaningless warning messages when doing IMA with
940 * doc/invoke.texi: Add "-combine" to list of Overall Options;
941 remove documentation about IMA that is no longer accurate; Add
942 documentation explaining what "-combine" does.
943 * ada/lang-specs.h: Add initialization values for new fields in
945 * cp/lang-specs.h: Likewise.
946 * f/lang-specs.h: Likewise.
947 * java/lang-specs.h: Likewise.
948 * objc/lang-specs.h: Likewise.
949 * treelang/lang-specs.h: Likewise.
951 2004-04-05 David Edelsohn
953 * config/rs6000/rs6000.c (VTABLE_NAME_P): Add _ZTI to special
956 2004-04-05 Jakub Jelinek <jakub@redhat.com>
957 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
959 PR optimization/13424 (hppa), bootstrap/14462, c/14828
960 * pa.md: Use replace_equiv_address to retain the attributes of the
961 memory operands used in the split and peephole2 patterns for optimizing
962 the pre-reload movstrsi, movstrdi, clrstrsi and clrstrdi patterns.
964 2004-04-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
966 * c-decl.c (build_compound_literal): Use TYPE_READONLY.
967 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
968 * objc/objc-act.c (adorn_decl, gen_declspecs): Likewise.
969 * c-typeck.c (decl_constant_value): Don't access DECL_INITIAL of a
971 * calls.c (flags_from_decl_or_type): Use TYPE_READONLY and do so only
973 * print-tree.c (print_node): Properly handle side-effects, readonly,
975 * tree.c (build1_stat, build_expr_wfl): Only look at TREE_SIDE_EFFECTS
976 and TREE_CONSTANT if not a type.
977 * tree.h (IS_NON_TYPE_CODE_CLASS): New macro.
978 (IS_EXPR_CODE_CLASS): Write 'E', not 'e'.
979 (NON_TYPE_CHECK): New macro.
980 (TREE_SIDE_EFFECT, TREE_READONLY, TREE_CONSTANT: Add check.
982 2004-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
984 * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Set
985 to DWARF2_DEBUG unconditionally.
986 (ASM_DEBUG_SPEC): Set the default to --gdwarf2 unconditionally.
988 2004-04-04 Ian Lance Taylor <ian@wasabisystems.com>
989 Nathanael Nerode <neroden@gcc.gnu.org>
992 * config.host: Set the shell variable host_can_use_collect2.
993 Set it to yes by default, and to no for alpha*-dec-*vms*,
994 i[34567]86-*-mingw32*, and powerpc-*-beos*.
995 * configure.ac: Set and substitute the shell variable collect2.
996 Give an error if use_collect2 is yes and host_can_use_collect2 is
998 * Makefile.in (COLLECT2): Rename from USE_COLLECT2. Change all
999 uses. Initialize to @collect2@.
1000 (STAGESTUFF): Remove $(USE_COLLECT2).
1001 * config/alpha/x-vms (USE_COLLECT2): Don't set.
1002 * config/i386/t-mingw32 (USE_COLLECT2): Likewise.
1003 * config/rs6000/t-beos (USE_COLLECT2): Likewise.
1004 * config/pa/t-pa64: Remove commented out USE_COLLECT2.
1005 * configure: Regenerate.
1007 2004-04-04 Roger Sayle <roger@eyesopen.com>
1009 * simplify-rtx.c (simplify_binary_operation): Constant fold
1010 DIV, MOD, UDIV and UMOD using div_and_round_double.
1012 2004-04-04 Mark Mitchell <mark@codesourcery.com>
1015 * varasm.c (initializer_constant_valid_p): Allow NOP_EXPRs to
1018 2004-04-04 Mark Mitchell <mark@codesourcery.com>
1020 * doc/invoke.texi (-mabi=o64): Create link to O64 ABI
1023 2004-04-04 Roger Sayle <roger@eyesopen.com>
1025 * cse.c (cse_insn): Correct usage of simplify_replace_rtx when
1026 updating the REG_EQUAL note on an insn's libcall_insn.
1028 2004-04-04 Roger Sayle <roger@eyesopen.com>
1030 * df.h: Tidy up whitespace in the definitions of the DF_ flags.
1032 2004-04-03 Roger Sayle <roger@eyesopen.com>
1034 * fold-const.c (fold) <PLUS_EXPR>: Guard (-A)+B -> B-A transformation
1035 with reorder_operands_p.
1037 2004-04-03 Jan Hubicka <jh@suse.cz>
1039 * md.texi (vec_set, vec_extract, vec_init): Document.
1041 2004-04-02 Gabor Loki <loki@inf.u-szeged.hu>
1043 * opts.c (decode_options): Do function inlining with very small
1044 max-inline-insns-* parameters when optimizing for size.
1046 2004-04-02 Vladimir Makarov <vmakarov@redhat.com>
1048 * config/i386/i386.h (TARGET_NOCONA): New macro.
1049 (TARGET_CPU_CPP_BUILTINS): Add code for Nocona.
1050 (processor_type): Add PROCESSOR_NOCONA.
1052 * config/i386/i386.md (cpu): Add nocona to the attribute values.
1054 * config/i386/i386.c (nocona_cost): New variable.
1055 (m_NOCONA): New macro.
1056 (x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
1057 x86_branch_hints, x86_use_sahf, x86_single_stringop,
1058 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8,
1059 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1060 x86_memory_mismatch_stall, x86_accumulate_outgoing_args,
1061 x86_decompose_lea, x86_arch_always_fancy_math_387,
1062 x86_sse_partial_reg_dependency, x86_sse_load0_by_pxor,
1063 x86_ext_80387_constants, x86_four_jump_limit):
1064 (override_options): Add nocona_cost to processor_target_table.
1065 Set up PROCESSOR_NOCONA for Nocona entry in processor_alias_table.
1066 (incdec_operand): Prevent inc/dec generation for Nocona too.
1067 (ix86_issue_rate): Add PROCESSOR_NOCONA.
1069 2004-04-01 Andrew Pinski <pinskia@physics.uc.edu>
1071 * rtlanal.c (find_reg_note): Manually
1074 2004-04-01 Mark Mitchell <mark@codesourcery.com>
1076 * genemit.c (gen_split): Change prototype of generated code.
1077 * genrecog.c (write_action): Adjust prototype for and calls to
1079 * gensupport.c (struct queue_elem): Add split field.
1080 (queue_pattern): Return a value. Clear the split field.
1081 (process_rtx): Maintain an association between an insn and the
1082 split generated from it for a define_insn_and_split.
1083 (process_one_cond_exec): Generate a new split for a
1084 define_insn_and_split.
1085 * config/arm/arm-protos.h (arm_split_constant): Add insn
1087 (emit_constant_insn): New function.
1088 (arm_gen_constant): Use it.
1089 * config/arm/arm.md: Adjust calls to arm_split_constant.
1091 2004-04-02 Jan Hubicka <jh@suse.cz>
1093 * cgraph.c: Add overall comment.
1094 (cgraph_inline_hash): New global variable.
1095 (cgraph_create_node): Break out from ...
1096 (cgraph_node): ... here.
1097 (cgraph_edge): New function.
1098 (cgraph_create_edge): New CALL_EXPR argument; some sanity checking.
1099 (cgraph_remove_edge): Accept edge, intead of source and destination.
1100 (cgraph_redirect_edge_callee): New.
1101 (cgraph_remove_node): Update all new datastructures.
1102 (cgraph_record_call, cgraph_remove_call): Kill.
1103 (dump_cgraph_node): Break out from ... ; dump new datastructures.
1104 (dump_cgraph): ... here.
1105 (cgraph_function_possibly_inlined_p): Use new hashtable.
1106 (cgraph_clone_edge, cgraph_clone_node): New.
1107 * cgraph.h: Include hashtab.h
1108 (struct cgraph_global_info): Kill cloned_times, inline_once, will_be_output
1109 fields, add inlined_to pointer.
1110 (cgraph_node): Add pointer to next_clone.
1111 (cgraph_remove_edge, cgraph_create_edge): Update prototype.
1112 (cgraph_remove_call, cgraph_record_call): Kill.
1113 (cgraph_inline_hash): Declare.
1114 (dump_cgraph_node, cgraph_edge, cg4raph_clone_edge, cgraph_clone_node,
1115 cgraph_redirect_edge_callee): Declare.
1116 (cgraph_create_edges, cgraph_inline_p): Update prorotype.
1117 (cgraph_preserve_function_body_p, verify_cgraph, verify_cgraph_node,
1118 cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Declare.
1119 * cgraphunit.c: Add overall comment.
1120 (cgraph_optimize_function): Kill.
1121 (cgraph_assemble_pending_functions): Do not assemble inline clones.
1122 (cgraph_finalize_function): Update call of cgraph_remove_node
1123 (record_call_1): Record call sites.
1124 (cgraph_create_edges): Accept node instead of decl argument.
1125 (error_found): New static variable.
1126 (verify_cgraph_node_1, verify_cgraph_node, verify_cgraph): New functions.
1127 (cgraph_analyze_function): Update for new datastructures.
1128 (cgraph_finalize_compilation_unit): Plug memory leak.
1129 (cgraph_optimize_function): Kill.
1130 (cgraph_expand_function): Do not use cgraph_optimize_function.
1131 (INLINED_TIMES, SET_INLINED_TIMES, cgraph_inlined_into,
1132 cgraph_inlined_callees): Kill.
1133 (cgraph_remove_unreachable_nodes): Verify cgraph; update handling of
1135 (estimate_growth): Simplify.
1136 (cgraph_clone_inlined_nodes): New function.
1137 (cgraph_mark_inline_edge): Re-implement.
1138 (cgraph_mark_inline): Likewise.
1139 (cgraph_check_inline_limits): Simplify.
1140 (cgraph_recursive_inlining_p): New.
1141 (update_callee_keys): Break out from ...
1142 (cgraph_decide_inlining_of_small_functions): ... here; simplify.
1143 (cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1145 (cgraph_expand_all_functions): Remove inline clones from the ordered
1147 (cgraph_preserve_function_body_p): New predicate.
1148 (cgraph_optimize): Verify cgraph.
1149 * function.h (struct function): Add fields saved_tree/saved_args.
1150 * timevar.def (TV_CGRAPH_VERIFY): Use verifier.
1151 * toplev.c (rest_of_compilation): Do not free cfun.
1152 * tree-inline.c: Include function.h
1153 (struct inline_data): Add saving_p field; replace decl/current_decl by
1155 (insert_decl_map): New function.
1156 (copy_body_r): Handle saving; update cgraph datastructure.
1157 (copy_body): Handle recursive inlining.
1158 (initialize_inlined_parameters): Likewise.
1159 (expand_call_inline): Propagate node attributes; update cgraph.
1160 (optimize_inline_calls): Verify that datastructure still match.
1161 (save_body): New function.
1162 * tree-inline.h (save_body): New.
1163 * tree-optimize.c (tree_rest_of_compilation): preserve function body; do inlining.
1164 * langhooks-def.c (LANG_HOOKS_UPDATE_DECL_AFTER_SAVING): New.
1165 * langhooks.c (lang_hooks): Add update_decl_after_saving.
1167 2004-04-01 Serge Belyshev <1319@bot.ru>
1170 * config/i386/i386.md: fix source operand constraints in
1171 mmx_pshufw, sse2_pshufd, sse2_pshuflw, sse2_pshufhw
1173 2004-04-01 Waldek Hebisch <hebisch@math.uni.wroc.pl>
1175 * fold-const.c (folda): Preserve types of comparisons.
1177 2004-04-01 Richard Henderson <rth@redhat.com>
1179 * toplev.c (backend_init): Move init_optimization_passes call ...
1180 (lang_dependent_init): ... here.
1182 2004-04-01 Alan Modra <amodra@bigpond.net.au>
1183 Jakub Jelinek <jakub@redhat.com>
1185 * gcc.c (init_gcc_specs): If HAVE_LD_AS_NEEDED, link with
1186 -lgcc --as-needed -lgcc_s --no-as-needed by default.
1187 * configure.ac (HAVE_LD_AS_NEEDED): Check for ld --as-needed.
1188 * configure: Rebuilt.
1189 * config.in: Rebuilt.
1190 * Makefile.in (stage1-start): Copy also libgcc_s*$(SHLIB_EXT).
1191 (stage2-start, stage3-start, stage4-start): Likewise.
1192 (stageprofile-start, stagefeedback-start): Likewise.
1194 2004-04-01 Jakub Jelinek <jakub@redhat.com>
1196 * config/sparc/sparc.h (DITF_CONVERSION_LIBFUNCS): Define to 0.
1197 * config/sparc/linux.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
1198 * config/sparc/linux64.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
1199 * config/sparc/sol2.h (DITF_CONVERSION_LIBFUNCS): Redefine to 1.
1200 (SOLARIS_CONVERSION_LIBFUNCS): Rename to SUN_CONVERSION_LIBFUNCS.
1201 * config/sparc/sparc.c (sparc_init_libfuncs): Initialize optabs
1202 with _Q_qtoll, _Q_qtoull and _Q_lltoq if DITF_CONVERSION_LIBFUNCS.
1203 * config.gcc (sparc-*-linux*): Revert 2004-03-23 change.
1204 * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Likewise.
1205 * config/sparc/t-linux: Removed.
1207 2004-04-01 Jakub Jelinek <jakub@redhat.com>
1210 * fold-const.c (fold) <EQ_EXPR>: Properly compute newconst in
1211 "bitfld++ == const" to "++bitfld == const + incr" transformations.
1213 2004-04-01 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1215 * expr.c (get_inner_reference): Use DECL_UNSIGNED, not TREE_UNSIGNED.
1216 * stor-layout.c (layout_decl): Likewise.
1217 * tree.c (get_narrower): Likewise and also use BIT_FIELD_REF_UNSIGNED.
1218 * fold-const.c (make_bit_field_ref): Use BIT_FIELD_REF_UNSIGNED.
1219 * print-tree.c (print_node): Handle various used of unsigned_flag.
1220 * tree.def (BIT_FIELD_REF): Update comment.
1221 * tree.h (TREE_UNSIGNED): Deleted.
1222 (DECL_UNSIGNED, BIT_FIELD_REF_UNSIGNED): New macros.
1224 2004-03-31 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1226 * builtins.c, c-aux-info.c, c-common.c, c-cppbuiltin.c, c-decl.c:
1227 Change most occurrences of TREE_UNSIGNED to TYPE_UNSIGNED.
1228 * c-format.c, c-opts.c, c-pretty-print.c, c-typeck.c: Likewise.
1229 * calls.c, convert.c, dbxout.c, dojump.c, dwarf2out.c: Likewise.
1230 * expmed.c, expr.c, fold-const.c, function.c, integrate.c: Likewise.
1231 * optabs.c, sdbout.c, stmt.c, stor-layout.c, tree-dump.c: Likewise.
1232 * tree.c, config/iq2000/iq2000.c, config/m32r/m32r.c: Likewise.
1233 * config/mips/mips.c, config/rs6000/rs6000.c: Likewise.
1234 * config/s390/s390.c, config/sparc/sparc.c, objc/objc-act.c: Likewise.
1235 * stor-layout.c (layout_type, case COMPLEX_TYPE): Test for
1236 REAL_TYPE, not INTEGER_TYPE.
1237 (layout_type, case VECTOR_TYPE): Simplify code.
1238 * tree.c (build_vector_type_for_mode): Remove dup unsigned setting.
1239 * tree.h: Update comments.
1240 (STRIP_NOPS): Use TYPE_UNSIGNED.
1241 (TYPE_UNSIGNED): New macro.
1242 (TYPE_TRAP_SIGNED): Remove now redundant check.
1243 (SAVE_EXPR_NOPLACEHOLDER): Don't use TREE_UNSIGNED.
1245 2004-03-31 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1247 * function.c (put_var_into_stack): Properly set orig_reg for indirect.
1249 2004-03-31 Andrew Pinski <pinskia@physics.uc.edu>
1251 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA):
1252 Add darwin-fpsave.asm, darwin-vecsave.asm,
1253 and darwin-world.asm.
1254 (TARGET_LIBGCC2_CFLAGS): Add -Wa,-force_cpusubtype_ALL
1255 as the asm files contain altivec instructions.
1256 * config/rs6000/darwin-fpsave.asm: New file.
1257 * config/rs6000/darwin-vecsave.asm: New file.
1258 * config/rs6000/darwin-world.asm: New file.
1260 2004-03-31 Zack Weinberg <zack@codesourcery.com>
1262 * gengtype-yacc.y (option, stringseq): Add missing
1263 terminating semicolon.
1265 2004-03-30 David Edelsohn <edelsohn@gnu.org>
1267 * config/rs6000/rs6000.md (tls_gd_32, tls_gd_64,
1268 tls_ld_32, tls_ld_64, tls_dtprel_32, tls_dtprel_64,
1269 tls_dtprel_ha_32, tls_dtprel_ha_64,
1270 tls_dtprel_lo_32, tls_dtprel_lo_64,
1271 tls_got_dtprel_64, tls_tprel_32, tls_tprel_64,
1272 tls_tprel_ha_32, tls_tprel_ha_64,
1273 tls_tprel_lo_32, tls_tprel_lo_64,
1274 tls_got_tprel_32, tls_got_tprel_64,
1275 tls_tls_32, tls_tls_64): Replace register_operand with
1278 2004-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1280 * config/rs6000/rs6000.md (*ctrsi_internal1, *ctrsi_internal2,
1281 *ctrdi_internal1, *ctrdi_internal2, *ctrsi_internal3,
1282 *ctrsi_internal4, *ctrdi_internal3, *ctrdi_internal4,
1283 *ctrsi_internal5, *ctrsi_internal6, *ctrdi_internal5,
1284 *ctrdi_internal6): Replace register_operand with
1285 nonimmediate_operand.
1287 2004-03-29 Fariborz Jahanian <fjahanian@apple.com>
1289 * fold-const.c (fold): Reassociate multiply expression
1290 with an adjacent non-multiply expression to use
1291 architecture's multiply-add instruction.
1293 2004-03-30 Zack Weinberg <zack@codesourcery.com>
1295 * gengtype.c (create_option): New function.
1296 * gengtype.h: Prototype it.
1297 * gengtype-yacc.y (stringseq): New rule.
1298 (option): Use create_option. Add new bare ID production. Use
1299 stringseq, not STRING directly.
1301 * alias.c, bitmap.c, c-decl.c, cgraph.h, cpplib.h, cselib.h
1302 * dwarf2out.c, emit-rtl.c, function.h, lists.c, tree.h
1303 * varray.h, config/alpha/alpha.c:
1304 Use new shorter form of GTY markers.
1306 * doc/gty.texi: Rewrite.
1308 2004-03-30 Andrew Pinski <pinskia@physics.uc.edu>
1310 * config/darwin.c (machopic_function_base_name):
1311 Remove current_name and getting the name of the
1314 2004-03-30 Nick Clifton <nickc@redhat.com>
1316 * config/arm/arm.md (thumb_jump): Reduce the backward branch
1317 range, and increase the forward branch range, to allow for
1318 the fact that the PC will be off by 4.
1320 2004-03-30 Alan Modra <amodra@bigpond.net.au>
1322 * .cvsignore: Add GPATH, GRTAGS, GSYMS and GTAGS (GNU GLOBAL)
1324 2004-03-30 Hartmut Penner <hpenner@de.ibm.com>
1326 * config/rs6000/rs6000.c (output_vec_const_move):
1327 Find all cases of EASY_VECTOR_15_ADD_SELF.
1328 (easy_vector_constant_add_self): Accept
1329 all vector constant loadable by vsplt* and vadd*.
1330 (easy_vector_same): Use easy_vector_splat_const.
1331 (easy_vector_const): Use easy_vector_splat_const.
1332 (easy_vector_splat_const): New function.
1333 (gen_easy_vector_constant_add_self): New function.
1335 * config/rs6000/rs6000-protos.c (gen_easy_vector_constant_add_self):
1338 * config/rs6000/altivec.md (movv4si splitter): Change to
1339 emit move insn with halfed vector constant.
1340 (*movv8hi splitter): Likewise.
1341 (*movv16qi splitter): Likewise.
1343 2004-03-30 Hartmut Penner <hpenner@de.ibm.com>
1346 * config/rs6000/rs6000.c (rs6000_legitimate_address):
1347 Allow any offset to argument pointer in no-strict case.
1349 2004-03-30 Jan Hubicka <jh@suse.cz>
1351 * toplev.c (backend_init): Add missing call to inint_optimization_passes.
1352 * passes.c (init_optimization_passes, finish_optimization_passes): Output cgraph
1353 dump file in non-unit-at-a-time mode.
1355 2004-03-29 Hans-Peter Nilsson <hp@axis.com>
1357 * config/cris/cris.h: Correct #ifdef to test for
1358 HAVE_AS_NO_MUL_BUG_ABORT_OPTION, not
1359 HAVE_AS_MUL_BUG_ABORT_OPTION.
1361 2004-03-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1363 * function.c (put_var_into_stack): If old RTL was ADDRESSOF, update
1364 the address inside the old RTL.
1366 2004-03-28 Zack Weinberg <zack@codesourcery.com>
1368 * c-decl.c: Verify that C_SIZEOF_STRUCT_LANG_IDENTIFIER is correct.
1369 (struct c_binding, struct c_scope): Add chain_next
1370 attributes to GTY markers.
1371 (struct lang_identifier, struct lang_tree_node): Define
1373 * c-tree.h: ... not here. No longer need to declare struct
1374 c_binding either. Do define C_SIZEOF_STRUCT_LANG_IDENTIFIER.
1375 * c-lang.c, objc/objc-lang.c: Set LANG_HOOKS_IDENTIFIER_SIZE
1376 to C_SIZEOF_STRUCT_LANG_IDENTIFIER.
1379 * c-decl.c (get_parm_info): If error_mark_node is encountered
1380 in the bindings chain, unbind and discard it; don't abort.
1382 2004-03-28 Olga Golovonevsky <olga@il.ibm.com>
1383 Dorit Naishlos <dorit@il.ibm.com>
1385 * config/rs6000/altivec.md: (andvv16qi3, andv8hi3, one_cmplv16qi2,
1386 one_cmplv8hi2, one_cmplv4si2, iorv16qi3, iorv8hi3,): New modelling.
1388 2004-03-28 Stephane Carrez <stcarrez@nerim.fr>
1390 * config/m68hc11/m68hc11-protos.h (m68hc11_page0_symbol_p): Declare.
1392 * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute): New.
1393 (m68hc11_attribute_table): New attribute "page0" to mark a global
1394 variable as being allocated from within page0 section.
1395 (m68hc11_encode_label): New function.
1396 (m68hc11_strip_name_encoding): New function.
1397 (m68hc11_page0_symbol_p): New function.
1398 (m68hc11_indirect_p): Accept global variables marked in page0.
1399 (m68hc11_encode_section_info): Lookup "page0" attribute.
1401 * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): 'R' constraint also
1402 represents access to page0 variables.
1404 * config/m68hc11/m68hc11.md ("*logicalsi3_zexthi"): Use gen_rtx_REG.
1405 ("*logicalsi3_silshl16_zext"): Likewise.
1406 ("*ashldi3_const32"): Likewise.
1407 (peephole2 ashift): Likewise.
1409 2004-03-28 Joseph S. Myers <jsm@polyomino.org.uk>
1411 * c-tree.h (C_DECL_REGISTER): New.
1412 * c-aux-info.c (gen_decl), c-decl.c (objc_mark_locals_volatile,
1413 finish_decl, grokdeclarator, get_parm_info), c-typeck.c
1414 (build_array_ref, c_mark_addressable): Set and use it.
1415 * c-decl.c (grokdeclarator), c-typeck.c (c_mark_addressable):
1416 Allow structures with volatile fields to be declared register.
1417 Don't check TREE_ADDRESSABLE before warning about taking address
1419 * c-decl.c (finish_decl): Don't allow structures with volatile
1420 fields to be placed in named register.
1421 * doc/trouble.texi: Remove reference to structures with volatile
1422 fields in registers.
1424 2004-03-27 Ulrich Weigand <uweigand@de.ibm.com>
1426 * function.c (thread_prologue_and_epilogue): Move
1427 NOTE_INSN_FUNCTION_END and NOTE_INSN_FUNCTION_BEG notes
1428 before the epilogue.
1430 2004-03-27 Ulrich Weigand <uweigand@de.ibm.com>
1432 * expr.c (store_constructor): Use gen_int_mode to correctly
1433 sign-extend CONST_INT value.
1435 2004-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1437 * builtin-types.def (BT_WINT, BT_FN_INT_WINT, BT_FN_WINT_WINT): New.
1438 * builtins.def (DEF_C94_BUILTIN): New. Add wctype builtins.
1439 * doc/extend.texi: Likewise.
1441 2004-03-26 Diego Novillo <dnovillo@redhat.com>
1443 * c-typeck.c (comptypes): Replace calls to TYPE_DOMAIN
1444 with TYPE_ORIG_SIZE_TYPE.
1446 2004-03-25 Aldy Hernandez <aldyh@redhat.com>
1449 * c-typeck.c (build_binary_op): Do not allow comparisons of
1452 2004-03-26 James A. Morrison <ja2morri@uwaterloo.ca>
1454 * config.gcc: Remove sparc-tti-*.
1455 * config/sparc/pbd.h: Delete.
1457 * config/sparc/sol2.h: Remove note about Sun OS 4.x.
1458 * config/sparc/aout.h: Likewise.
1460 * config/sparc/sparc.h: Remove if 0'd code.
1461 * config/sparc/sparc.md (call): Remove if 0'd code.
1462 (call_value): Likewise.
1463 (nonlocal_goto): Likewise.
1464 (unimp_insn): Delete.
1466 2004-03-25 Roger Sayle <roger@eyesopen.com>
1468 * fold-const.c (tree_expr_nonnegative_p): Handle BIT_XOR_EXPR like
1469 BIT_IOR_EXPR; A^B is nonnegative when A and B are nonnegative.
1471 2004-03-25 Richard Henderson <rth@redhat.com>
1474 * c-typeck.c (pop_init_level): Emit pending init elements earlier
1477 2004-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1479 * builtins.c (fold_builtin): Fix error in last change.
1481 2004-03-25 Richard Sandiford <rsandifo@redhat.com>
1483 * config/mips/mips.h: Formatting fix.
1485 2004-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1487 * builtins.def: Add ctype builtins.
1488 * doc/extend.texi: Likewise.
1490 2004-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1492 * builtins.c (fold_builtin): Add new builtin optimizations for
1494 * fold-const.c (fold): Likewise.
1496 2004-03-25 David Edelsohn <edelsohn@gnu.org>
1498 * config/rs6000/rs6000.c (rs6000_always_hint): New variable.
1499 (rs6000_sched_groups): New variable.
1500 (processor_target_table): Add power5.
1501 (rs6000_override_options): Set rs6000_sched_insert_nops,
1502 rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
1503 from rs6000_sched_groups.
1504 (output_cbranch): Use rs6000_always_hint.
1505 (rs6000_variable_issue): Use rs6000_sched_groups.
1506 (rs6000_adjust_cost): Add CPU_POWER5.
1507 (is_microcoded_insn): Use rs6000_sched_groups.
1508 (is_dispatch_slot_restricted): Use rs6000_sched_groups.
1509 Return 2 for POWER5 cracked instructions.
1510 (is_cracked_insn): Use rs6000_sched_groups.
1511 (is_branch_slot_insn): Use rs6000_sched_groups.
1512 (rs6000_issue_rate): Add CPU_POWER5.
1513 (rs6000_sched_finish): Use rs6000_sched_groups.
1514 (rs6000_rtx_costs): Add PROCESSOR_POWER5.
1515 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
1516 (DEFAULT_SCHED_COSTLY_DEP): Delete.
1517 (DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
1518 (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
1519 * config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
1520 * config/rs6000/power5.md: New file.
1521 * doc/invoke.texi: Add power5 option.
1523 2004-03-25 Kazu Hirata <kazu@cs.umass.edu>
1525 * cfgrtl.c, dbxout.c, tree.def, config/darwin.h,
1526 config/arm/arm.c, objc/objc-act.c: Fix comment typos.
1527 * doc/invoke.texi: Fix a typo.
1529 2004-03-25 Kazu Hirata <kazu@cs.umass.edu>
1531 PR optimization/9707.
1532 * stmt.c (emit_case_nodes): Emit equality comparisons instead
1533 of recursing if both children are single-valued cases with no
1536 2004-03-25 Paul Brook <paul@codesourcery.com>
1538 * config/arm/arm.c (vfp_print_multi): Remove.
1539 (arm_output_fldmx): New function.
1540 (vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
1541 (arm_expand_prologue): Update to match.
1542 (arm_get_vfp_saved_size): New Function.
1543 (arm_get_frame_offsets): Use it.
1544 (arm_output_epilogue): Use new functions.
1546 2004-03-24 Richard Henderson <rth@redhat.com>
1548 * alias.c (alias_invariant, alias_invariant_size): Mark GTY.
1549 (reg_known_value, reg_known_value_size): Likewise; make static.
1550 (reg_known_equiv_p): Make static.
1551 (clear_reg_alias_info): Update for new indexing.
1552 (get_reg_known_value, set_reg_known_value): New.
1553 (get_reg_known_equiv_p, set_reg_known_equiv_p): New.
1554 (canon_rtx): Use them.
1555 (init_alias_analysis): Likewise. Allocate reg_known_value with gc.
1556 Don't play queer offsetting games with reg_known_value and
1558 (end_alias_analysis): Free reg_known_value with gc.
1559 * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
1560 * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
1561 (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
1564 2004-03-24 Kazu Hirata <kazu@cs.umass.edu>
1566 * dwarf2asm.c, loop.h, pretty-print.c, pretty-print.h,
1567 config/i386/mmintrin.h: Update copyright.
1569 2004-03-24 Nathanael Nerode <neroden@gcc.gnu.org>
1571 * configure.ac: Add --enable-werror-always (for top level bootstrap
1573 * configure: Regenerate.
1575 2004-03-24 Ziemowit Laski <zlaski@apple.com>
1577 * objc/objc-act.c (objc_comptypes): Treat comparisons
1578 between 'Class' and '<class> *' as explicitly invalid.
1580 2004-03-24 David Edelsohn <edelsohn@gnu.org>
1582 * doc/invoke.texi (-frename-registers: Add enabled at -O3.
1583 (-fprofile-values): Add enabled with profile-{generate,use}.
1585 (-ftracer): Add enabled with profile-use.
1586 (-funit-at-a-time): Add enabled at -O2,-O3.
1587 (-funroll-loops): Add enabled with profile-use.
1588 (-funswitch-loops): Add enabled with profile-use. Remove duplicates.
1589 (max-gcse-passes): Mention default.
1590 (max-cse-path-length): Mention default.
1592 2004-03-24 Nathanael Nerode <neroden@gcc.gnu.org>
1594 * Makefile.in (STRICT2_WARN): Reorder.
1595 * configure.ac: Check for -Wold-style-definition, and use it
1596 in strict1_warn if it's available.
1597 * configure: Regnerate.
1599 2004-03-24 Paul Brook <paul@nowt.org>
1601 * config.gcc <arm>: Add --with-abi=
1602 * config/arm/arm-protos.h (arm_get_frame_size, thumb_get_frame_size,
1603 thumb_far_jump_used): Remove prototypes.
1604 (arm_needs_doubleword_align): Add prototype.
1605 (thumb_compute_initial_elimination_offset): Ditto.
1606 * config/arm/arm.c (arm_get_frame_offsets): New function.
1607 (use_return_insn, output_return_instruction, arm_output_epilogue,
1608 arm_output_function_epilogue, arm_compute_initial_elimination_offset,
1609 arm_expand_prologue, thumb_expand_epilogue): Use it.
1610 (arm_abi, target_abi_name, all_arm_abis): New variables.
1611 (arm_override_options): Set them. Set structure padding for AAPCS.
1612 (arm_return_in_memory): Update ABI check.
1613 (arm_init_cumulative_args): Initialize can_split.
1614 (arm_needs_doubleword_align): New function.
1615 (arm_function_arg): Don't split args after pushing to stack. Handle
1616 doubleword/even reg alignment.
1617 (arm_va_arg): Handle all doubleword aligned args.
1618 (add_minpoolforward ref, dump_minpool, push_minpool_fix): Align based
1620 (arm_compute_save_reg0_reg12_mask): Fix comment.
1621 (thumb_get_frame_size, thumb_get_frame_size): Remove.
1622 (thumb_jump_far_used_p): Remove superfluous argument. Return save
1623 value for alignment.
1624 (thumb_unexpanded_epilogue, thumb_output_function_prologue): Change
1626 (thumb_compute_initial_elimination_offset): New function.
1627 (thumb_expand_prologue): Use arm_get_frame_offsets. Remove
1628 unneccessary rounding.
1629 * config/arm/arm.h (target_abi_name): Declare.
1630 (ARM_DOUBLEWORD_ALIGN, DOUBLEWORD_ALIGNMENT, TARGET_IWMMXT_ABI,
1631 arm_abi_type, ARM_DEFAULT_ABI): Define.
1632 (ARM_FLAG_ATPCS): Remove.
1633 (TARGET_OPTIONS, OPTION_DEFAULT_SPECS): Add -mabi=.
1634 (BIGGEST_ALIGNMENT, PREFERRED_STACK_BOUNDARY, STACK_BOUNDARY): Use it.
1635 (ADJUST_FIELD_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT,
1636 TYPE_NEEDS_IWMMXT_ALIGNMENT): Remove.
1637 (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P):
1638 Contitionalize on ABI, not CPU.
1639 (struct arm_stack_offsets): Define.
1640 (struct machine_function): Add stack_offsets. Remove frame_size.
1641 (FUNCTION_ARG_PARTIAL_NREGS): Don't split if previous args have been
1643 (FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY): Handle general
1644 doubleword alignment.
1645 (THUMB_INITIAL_ELIMINATION_OFFSET,
1646 ARM_INITIAL_ELIMINATION_OFFSET): Remove.
1647 (INITIAL_ELIMINATION_OFFSET): Call functions directly.
1648 * config/arm/arm.md (align_8): Enable for all targets.
1649 * config/arm/netbsd-elf.h (TARGET_DEFAULT): Remove TARGET_ATPCS.
1650 (ARM_DEFAULT_ABI): Define.
1651 * doc/invoke.texi <ARM>: Document -mabi=. Update documentation for
1652 -mstructure-size-boundary.
1654 2004-03-24 Nathanael Nerode <neroden@gcc.gnu.org>
1656 * configure.ac: Check for -Wno-variadic-macros; don't use
1657 -pedantic (in stage 1 or a simple 'make all') unless it's available,
1658 and if it's available, use it. Also, clean up check for
1660 * configure: Regenerate.
1662 2004-03-24 Richard Sandiford <rsandifo@redhat.com>
1664 * config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
1665 * config/mips/vr.h (DEFAULT_VR_ARCH): New macro, defined to vr4130.
1666 (MULTILIB_DEFAULTS): Use it.
1667 (MIPS_CPU_STRING_DEFAULT): Remove.
1668 (MIPS_ABI_DEFAULT, MIPS_MARCH_CONTROLS_SOFT_FLOAT): Define.
1669 (DRIVER_SELF_SPECS): Make -mfix-vr4122-bugs imply -march=vr4120. Make
1670 EABI64 -mlong32 the default ABI. Enforce the default architecture.
1671 * config/mips/t-vr (MULTILIB_OPTIONS): Add mfix-vr4122-bugs,
1672 march=vr4130, march=vr4300, march=vr5000 and march=vr5500.
1673 (MULTILIB_MATCHES): Use -mfix-vr4122-bugs multilibs for -march=vr4120.
1674 (MULTILIB_EXCEPTIONS): Change choice of multilibs. Update comments
1677 2004-03-24 DJ Delorie <dj@redhat.com>
1678 Richard Sandiford <rsandifo@redhat.com>
1680 * config/mips/mips.h (MASK_FIX_VR4122, TARGET_FIX_VR4122): New macros.
1681 (TARGET_SWITCHES): Add -mfix-vr4122-bugs and -mno-fix-vr4122-bugs.
1682 (ASM_SPEC): Pass down -mfix-vr4122-bugs.
1683 * config/mips/mips.c (mips_avoid_hazards): Don't emit whole functions
1684 in .set noreorder and .set nomacro if TARGET_FIX_VR4122.
1685 (mips_init_libfuncs): Use special functions for divsi3 and modsi3
1686 if TARGET_FIX_VR4122.
1687 * config/mips/mips.md (define_attr length): Account for nops inserted
1688 after macc and dmult when using -mfix-vr4122-bugs.
1689 (umuldi3_highpart, divmodsi4, divmoddi4): Disable if TARGET_FIX_VR4122.
1690 * config/mips/t-vr (LIB2FUNCS_STATIC_EXTRA): Define instead of
1691 LIB2FUNCS_EXTRA. Add config/mips/vr4122-div.S.
1692 * config/mips/vr4122-div.S: New file.
1693 * doc/invoke.texi: Document -mfix-vr4122-bugs.
1695 2004-03-24 Richard Sandiford <rsandifo@redhat.com>
1697 * config/mips/mips.h (PROCESSOR_R4130): New processor_type.
1698 (TARGET_MIPS4130): New macro.
1699 (ISA_HAS_MACC): Return true if TARGET_MIPS4130 && !TARGET_MIPS16.
1700 * config/mips/mips.c (mips_cpu_info_table): Add a vr4130 entry.
1701 (override_options): Extend MIPS_MARCH_CONTROLS_SOFT_FLOAT to deal
1702 with PROCESSOR_R4130.
1703 * config/mips/mips.md (define_attr cpu): Add r4130.
1704 * doc/invoke.texi: Document vr4130 as a supported MIPS architecture.
1706 2004-03-24 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1707 Richard Sandiford <rsandifo@redhat.com>
1709 * doc/invoke.texi: Apply missed hunk from 2004-03-03 change.
1711 2004-03-24 Alexandre Oliva <aoliva@redhat.com>
1713 PR preprocessor/14438
1714 * cpplib.c (do_pragma): Remove line_change call after pragma
1717 2004-03-23 Ian Lance Taylor <ian@wasabisystems.com>
1719 * doc/extend.texi (ARM Built-in Functions): Replace with correct
1722 2004-03-23 Roger Sayle <roger@eyesopen.com>
1724 * reg-stack.c (get_true_reg): Handle FLOAT_TRUNCATE like FLOAT_EXTEND
1725 if flag_unsafe_math_optimizations.
1726 * config/i386/i386.md (truncdfsf2): If flag_unsafe_math_optimizations
1727 and TARGET_80387 expand using truncdfsf2_noop pattern.
1728 (truncxfsf2): Likewise using truncxfsf2_noop.
1729 (truncxfdf2): Likewise using truncxfdf2_noop.
1730 (truncdfsf2_noop, truncxfsf2_noop, truncxfdf2_noop): New patterns.
1732 2004-03-23 Ziemowit Laski <zlaski@apple.com>
1734 * hooks.c (hook_constcharptr_tree_null): New hook.
1735 * hooks.h (hook_constcharptr_tree_null): New prototype.
1736 * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): New target hook.
1737 * target.h (mangle_fundamental_type): New target hook.
1738 * config/rs6000/rs6000.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Point
1739 target hook at rs6000_mangle_fundamental_type.
1740 (rs6000_mangle_fundamental_type): New function.
1741 * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Document.
1743 2004-03-23 Zack Weinberg <zack@codesourcery.com>
1745 PR 12267, 12391, 12560, 13129, 14114, 14133
1746 * c-tree.h: Forward declare struct c_binding. Declare
1747 c_override_bindings_to_false. Update prototypes.
1748 (struct lang_identifier): Update comments. Change fields to be
1750 (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE)
1751 (IDENTIFIER_LABEL_VALUE, C_DECL_INVISIBLE)
1752 (KEEP_NO, KEEP_YES, KEEP_MAYBE): Delete.
1753 (C_DECL_IN_EXTERNAL_SCOPE, C_DECL_DECLARED_BUILTIN): New.
1754 * c-common.h: Update prototypes.
1755 * c-decl.c (struct c_scope): Update commentary. Remove names,
1756 names_last, parms, parms_last, tags, and shadowed fields. Add
1757 bindings and depth fields.
1758 (scope_freelist): Move to more appropriate location.
1759 (c_print_identifier): Update for changes to struct lang_identifier.
1760 (objc_mark_locals_volatile): Update for new bindings structures.
1761 (global_bindings_p): Honor c_override_global_bindings_to_false.
1762 (pushlevel): Rename to push_scope; take no arguments; use the
1763 scope_freelist; initialize scope->depth and check for overflow.
1764 (poplevel): Rename to pop_scope; totally rewritten for new bindings
1766 (diagnose_mismatched_decls): Use C_DECL_DECLARED_BUILTIN, not
1767 C_DECL_INVISIBLE, for certain decisions. Adjust some diagnostics.
1768 Improve some commentary. Adjust handling of forward parm decls.
1769 (merge_decls): Set C_DECL_DECLARED_BUILTIN when appropriate.
1770 Preserve C_DECL_IN_EXTERNAL_SCOPE.
1771 (warn_if_shadowing): Correct indentation. Improve diagnostics.
1772 (pushdecl): Remove unnecessary assertion. Short-circuit anonymous
1773 decls. Rewrite for new bindings structures. Improve commentary.
1774 Eliminate the copy_node call.
1775 (implicit_decl_warning): Use the "diag" idiom (as seen in
1776 locate_old_decl) to reduce code duplication; call locate_old_decl
1777 if appropriate. Relocate to remove need for forward declaration.
1778 (implicitly_declare): Adjust for new bindings structures. Kludge
1779 around Objective-C not-really-builtin functions.
1780 (undeclared_variable): Improve diagnostics. If current_function_decl
1781 is nonnull but current_function_scope is null, use current_scope.
1783 (lookup_tag): Adjust for new bindings structures. Kludge around
1784 Objective-C's tag declarations that wind up in the external scope.
1785 (lookup_name): Adjust for new bindings structures. Kludge around
1786 c-common.c's pseudo-typedefs that wind up in the external scope.
1787 (lookup_name_current_level): Rename lookup_name_in_scope; take a
1788 second argument indicating the scope to examine; rewrite for
1789 new bindings structures.
1790 (c_init_decl_processing): Adjust for renamed functions. Do not
1791 initialize current_file_decl, first_builtin_decl, last_builtin_decl.
1792 First scope pushed is the external scope, not the global scope.
1793 (builtin_function): Use bind, not pushdecl. Adjust other bits
1794 for new data structures. Keep track of builtins that should be
1795 made visible automatically.
1796 (start_decl): Adjust diagnostics. Remove unnecessary call to
1798 (grokparms): Return 0 if arg_types is error_mark_node.
1799 (get_parm_info): Rename "void_at_end" argument to "ellipsis", with
1800 reversed sense. Rewrite for new bindings structures. Do not
1801 leave any decls in the scope, to prevent pop_scope from doing
1802 contradictory things with them.
1803 (finish_struct, finish_enum): Remove redundant diagnostics.
1804 (build_enumerator): Don't cascade diagnostics for error_mark_node.
1805 Mark location where -pedantic changes the meaning of the program.
1806 (store_parm_decls_newstyle, store_parm_decls_oldstyle): Load the
1807 parameter decls into the function's scope structure using bind.
1808 Warn here about function definitions in the wrong style.
1810 (store_parm_decls): Correct the determination of whether a
1811 function was defined with a prototype.
1812 (c_write_global_declarations): Operate on all file decls and on
1813 the external scope. Split body of the loop to...
1814 (c_write_global_declarations_1): ... this new function, to avoid
1816 (truly_local_externals, first_builtin_decl, last_builtin_decl)
1817 (make_scope, pop_scope, in_parm_level_p, set_block)
1818 (any_external_decl, record_external_decl, bind_label, getdecls)
1819 (link_hash_hash, link_hash_eq, merge_translation_unit_decls)
1820 (c_reset_state): Delete.
1821 (visible_builtins, c_override_global_bindings_to_false)
1822 (c_binding, I_SYMBOL_BINDING, I_SYMBOL_DECL, I_TAG_BINDING)
1823 (I_TAG_DECL, I_LABEL_BINDING, I_LABEL_DECL, file_scope)
1824 (external_scope, binding_freelist, bind, free_binding_and_advance)
1825 (push_file_scope, pop_file_scope): New.
1826 (pushtag, pushdecl_top_level, lookup_label, declare_label)
1827 (define_label, c_make_fname_decl, finish_decl)
1828 (mark_forward_parm_decls, build_compound_literal)
1829 (grokdeclarator, start_function, check_for_loop_decls)
1830 (identifier_global_value, record_builtin_type): Minor adjustments
1831 for new bindings structures. Improve diagnostics and commentary.
1832 * c-objc-common.c (start_cdtor, finish_cdtor): Adjust calls to
1833 pushlevel/poplevel respectively.
1834 (c_objc_common_finish_file): Don't call merge_translation_unit_decls.
1835 * c-opts.c (c_common_parse_file): Remove spurious ATTRIBUTE_UNUSED.
1836 Warn about YYDEBUG not being defined only if -dy. Remove no-longer-
1837 correct loop over multiple translation units; call fatal_error if
1838 requested to compile more than one file at once. (This disables
1839 IMA temporarily - an up-front error being preferable to a crash.)
1840 * c-parse.in (pushlevel, poplevel rules): Rename push_scope, pop_scope.
1841 (all actions): Adjust calls to pushlevel/poplevel.
1842 (parsing_iso_function_signature): Delete.
1843 (extdef_1): Fold into extdef.
1844 (old_style_parm_decls_1): Fold into old_style_parm_decls. Don't
1845 warn here about function definitions in the wrong style.
1846 (after_tyle_declarator, parm_declarator_starttypename)
1847 (parm_declarator_nostarttypename, notype_declarator): Remove
1848 commented-out productions.
1849 (parmlist_1, parmlist_2): Use make_node, not tree_cons, to create
1850 an empty TREE_LIST node. Adjust calls to get_parm_info.
1851 (parmlist_2 : ELLIPSIS): Tag the arg-info block with error_mark_node
1852 to suppress -Wold-style-definition after this error.
1853 (c_parse_file): Don't clear the binding stack or call
1854 finish_fname_decls here. Correct comment.
1855 * c-typeck.c (same_translation_unit_p): Export.
1856 (common_type): Use c_override_global_bindings_to_false, not
1857 pushlevel/poplevel/declare_parm_level.
1858 * c-lang.c: Override LANG_HOOKS_CLEAR_BINDING_STACK,
1859 LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK,
1860 and LANG_HOOKS_GETDECLS with do-nothing stubs.
1861 * objc/objc-lang.c: Likewise.
1862 * objc/objc-act.c: Adjust all calls to pushlevel, poplevel,
1864 (OBJC_VOID_AT_END): Delete; replace all uses
1865 with void_list_node.
1866 (generate_forward_declaration_to_string_table): Delete.
1867 * objc/objc-act.h (OCTI_STRG_DECL, UOBJC_STRINGS_decl): Delete.
1869 * coverage.c (create_coverage): Don't pushdecl anything.
1870 * langhooks.c (lhd_clear_binding_stack): Call
1871 lang_hooks.decls.poplevel, not poplevel.
1872 * tree.c (list_length): If ENABLE_TREE_CHECKING, abort on a
1873 circular list rather than going into an infinite loop.
1875 2004-03-23 Olivier Hainque <hainque@act-europe.fr>
1877 * optabs.c (expand_binop): When synthesizing double word rotates
1878 from single word shifts, use a new register target if the provided
1879 target is not a REG already.
1881 2004-03-23 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883 * alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.
1884 * c-common.c (handle_mode_attribute): Add extra arg to
1885 build_pointer_type_for_mode and build_reference_type_for_mode.
1886 * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW
1888 * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL.
1889 Chain pointers via TYPE_NEXT_PTR_TO.
1890 (build_reference_type_for_mode): Similarly.
1891 (build_type_no_quals): Add extra arg to build_pointer_type_for_mode
1892 and build_reference_type_for_mode.
1893 (tree_check4_failed): New function.
1894 * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros.
1895 (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise.
1896 (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW):
1899 2004-03-23 Roger Sayle <roger@eyesopen.com>
1901 * fold-const.c (tree_expr_nonnegative_p): A&B is nonnegative when
1902 A is nonnegative or B is nonnegative. Similarly A|B is nonnegative
1903 when both A and B are nonnegative.
1904 (tree_expr_nonzero_p): A|B is nonzero when A is nonzero or B is
1907 2004-03-23 Kazu Hirata <kazu@cs.umass.edu>
1909 * fold-const.c (fold): Remove cases for INTEGER_CST, REAL_CST,
1910 VECTOR_CST, STRING_CST, COMPLEX_CST, and CONSTRUCTOR.
1912 2004-03-23 Kazu Hirata <kazu@cs.umass.edu>
1914 PR optimization/14669
1915 * fold-const.c (fold): Only unwiden integer comparisons for equality
1916 and inequality operators, or when the signedness doesn't change.
1918 2004-03-23 Jakub Jelinek <jakub@redhat.com>
1920 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1921 * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Set.
1922 * config/sparc/t-linux: New file.
1924 2004-03-23 Richard Sandiford <rsandifo@redhat.com>
1926 * gcse.c (can_assign_to_reg_p): New function, split out from...
1927 (want_to_gcse_p): ...here.
1928 (compute_ld_motion_mems): Use can_assign_to_reg_p to validate
1931 2004-03-22 Diego Novillo <dnovillo@redhat.com>
1933 * c-typeck.c (same_translation_unit_p): Fix pasto.
1935 2004-03-22 David Edelsohn <edelsohn@gnu.org>
1937 * params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
1938 (PARAM_MAX_SCHED_REGION_INSNS): New.
1939 * sched-rgn.c: Include params.h
1940 (MAX_RGN_BLOCKS): Delete.
1941 (MAX_RGN_INSNS): Delete.
1942 (too_large): Return bool. Convert to PARAM_VALUE.
1943 * Makefile.in (sched-rgn.o): Depend on $(PARAMS_H).
1944 * doc/invoke.texi (param): Document max-sched-region-blocks and
1945 max-sched-region-insns.
1947 2004-03-22 Joel Brobecker <brobecker@gnat.com>
1949 * dwarf2out.c (is_subrange_type): Do not emit a subrange_type DIE
1952 2004-03-22 Joel Brobecker <brobecker@gnat.com>
1954 * dwarf2out.c (is_subrange_type): Minor code rework. No behavior
1957 2004-03-22 Jakub Jelinek <jakub@redhat.com>
1960 * c-decl.c (finish_struct): Change type of incorrect flexible array
1961 field into error_mark_node.
1963 2004-03-22 Andrew Pinski <pinskia@physics.uc.edu>
1966 * config/rs6000/rs6000.c (symbol_ref_operand): Reject symbols
1967 who are not local for Darwin PIC.
1969 2004-03-22 Ulrich Weigand <uweigand@de.ibm.com>
1971 * regrename.c (regrename_optimize): Set regs_ever_live for all
1972 registers introduced as replacement.
1974 2004-03-22 Eric Botcazou <ebotcazou@libertysurf.fr>
1977 * expr.c (mark_queue): New function.
1978 (emit_insns_enqueued_after_mark): New function replacing
1979 emit_queue. Clear the body of emitted queued insns.
1980 (emit_queue): Call emit_insns_enqueued_after_mark.
1981 (store_expr): Mark the increment queue on entry. Emit
1982 only the incrementations queued when expanding the source.
1984 2004-03-22 Nathanael Nerode <neroden@gcc.gnu.org>
1986 * configure.ac: Allow --disable-coverage-flags (for the future benefit
1987 of top level bootstrap, and consistency). Reindent.
1988 * configure: Regenerate.
1990 2004-03-21 Kazu Hirata <kazu@cs.umass.edu>
1992 * bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
1993 ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
1996 2004-03-22 Danny Smith <dannysmith@users.sourceforge.net>
1999 * gcov-io.h (gcov_truncate): Define ftruncate as _chsize for
2002 2004-03-21 Ulrich Weigand <uweigand@de.ibm.com>
2004 * config/s390/s390.md ("*doloop_si"): Change predicate for operand 2
2005 to nonimmediate_operand.
2006 ("*doloop_di"): Likewise.
2008 2004-03-21 Alexandre Oliva <aoliva@redhat.com>
2010 * real.h (struct real_value): Use the same type for all
2011 bitfields. Rename exp to uexp.
2012 (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
2013 Adjust all uses of exp...
2014 * builtins.c: ... here, ...
2015 * emit-rtl.c: ... here, and ...
2016 * real.c: ... and here.
2018 2004-03-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2020 * pretty-print.c (pp_base_maybe_space): New function.
2021 * pretty-print.h (pp_base_maybe_space): Declare.
2022 (pp_maybe_space): New macro.
2024 2004-03-21 Ulrich Weigand <uweigand@de.ibm.com>
2026 * config/s390/s390.md ("addti3", "subti3"): New insns and splitters.
2028 2004-03-21 Ulrich Weigand <uweigand@de.ibm.com>
2030 * expmed.c (choose_mult_variant): Pass MULT_COST as argument instead
2031 of using register multiplication cost.
2032 (expand_mult): Adapt choose_mult_variant call.
2033 (expand_mult_highpart): Call choose_mult_variant with WIDER_MODE
2034 of MODE; pass appropriate cost bound. Adjust result when
2035 performing signed multiplication by a negative constant.
2036 Don't use intermediate modes larger than word_mode.
2038 2004-03-21 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2040 * alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.
2041 * emit-rtl.c (component_ref_for_mem_expr): Likewise.
2042 (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
2043 * explow.c (expr_size): Likewise.
2044 * expr.h (placeholder_list, find_placeholder): Deleted.
2045 * expr.c (store_constructor): Likewise.
2046 (get_inner_reference): Likewise. Also don't call find_placeholder.
2047 (placeholder_list, find_placeholder): Deleted.
2048 (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
2049 (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
2050 (highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
2051 * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
2052 * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
2054 * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
2055 (extract_muldiv, case WITH_RECORD_EXPR): Likewise.
2056 * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
2057 (contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
2058 Clean up by using first_rtl_op.
2059 (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
2060 (substitute_placeholder_in_expr): New function.
2061 * tree.def (WITH_RECORD_EXPR): Deleted.
2062 * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
2063 (substitute_placeholder_in_expr): New.
2065 2004-03-21 Andrew Pinski <pinskia@gcc.gnu.org>
2067 * dojump.c (prefer_and_bit_test): Fix which part of
2068 the and_test is replaced.
2070 2004-03-21 Joseph S. Myers <jsm@polyomino.org.uk>
2072 * frontends.texi: Add missing line.
2074 2004-03-21 Zack Weinberg <zack@codesourcery.com>
2075 Chris Devers <cdevers@pobox.com>
2076 Joseph S. Myers <jsm@polyomino.org.uk>
2078 * doc/frontends.texi: Rewrite.
2079 * doc/gcc.texi: Update last modification date.
2081 2004-03-21 Josef Zlomek <zlomekj@suse.cz>
2083 * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Print the debug
2084 message before redirecting the edge.
2086 2004-03-20 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
2088 * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
2090 * explow.c (force_not_mem): Set REG_POINTER flag according to
2092 * rtl.h (MEM_POINTER): New macro.
2093 (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
2096 2004-03-20 Roger Sayle <roger@eyesopen.com>
2099 * cse.c (fold_rtx): Avoid substituting constants into unary
2100 conversion operations.
2102 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2104 * fold-const.c (fold): Replace "expr" with "t".
2106 2004-03-20 Ian Lance Taylor <ian@wasabisystems.com>
2109 * c-typeck.c (tagged_types_tu_compatible_p): Don't use
2110 DECL_ORIGINAL_TYPE if there isn't one.
2112 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2114 * fold-const.c (fold): Replace "final_type" with "type".
2115 Remove variable "final_type".
2117 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2119 * fold-const.c (fold): Constify "type".
2120 Replace "TREE_TYPE (t)" with "type".
2122 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2124 * bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
2125 dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
2126 via (*targetm.foo) () with targetm.foo ().
2128 2004-03-20 Joseph S. Myers <jsm@polyomino.org.uk>
2131 * doc/install.texi: Add info directory category and entry.
2133 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2135 * fold-const.c (fold): Replace "t" with "tem" where it is used
2136 as a temporary variable. Remove "orig_t" and all of its uses.
2138 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2140 * fold-const.c (fold): Remove variable "invert".
2141 Move the handling of relational expressions that can be folded
2143 (fold_relational_const): ... here.
2144 (tree_expr_nonzero_p): New.
2146 2004-03-20 Joseph S. Myers <jsm@polyomino.org.uk>
2149 * builtins.def (nan, nanf, nanl, nans, nansf, nansl): Change to
2152 2004-03-20 Richard Sandiford <rsandifo@redhat.com>
2154 * Makefile.in (dojump.o): Depend on $(GGC_H) and dojump.h.
2155 (GTFILES): Add $(srcdir)/dojump.h.
2156 (gt-dojump.h): New dependency.
2157 * dojump.c (and_reg, and_test, shift_test): New static variables.
2158 (prefer_and_bit_test): New function.
2159 (do_jump): Use it to choose between (X & (1 << C)) and (X >> C) & 1.
2161 2004-03-20 Kazu Hirata <kazu@cs.umass.edu>
2163 * c-common.c, cfgcleanup.c, cgraphunit.c, c-pretty-print.c,
2164 expmed.c, ggc-common.c, jump.c, passes.c, recog.c, regmove.c,
2165 reorg.c, tree.h: Fix comment typos.
2167 2004-03-19 Kazu Hirata <kazu@cs.umass.edu>
2169 * alias.c, attribs.c, bt-load.c, builtins.c, c-common.c,
2170 c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c,
2171 cse.c, dbxout.c, dwarf2out.c, except.c, final.c,
2172 haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c,
2173 sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c,
2174 vmsdbgout.c: Replace calls via (*targetm.foo) () with
2177 2004-03-19 Ziemowit Laski <zlaski@apple.com>
2179 * config/rs6000/altivec.h (vec_dst, vec_dstst, vec_dststt,
2180 vec_dstt, vec_sld, vec_splat): Add prototypes, marked with
2181 always_inline attribute.
2182 * config/rs6000/rs6000.c (altivec_expand_dst_builtin):
2183 Treat expansion as completed even if literal argument is
2184 invalid (so that other expansions are not tried in vain).
2186 2004-03-19 Kazu Hirata <kazu@cs.umass.edu>
2188 * loop-doloop.c (add_test): Replace GEN_INT (0) with
2191 2004-03-19 Kazu Hirata <kazu@cs.umass.edu>
2193 * fold-const.c (fold) <ABS_EXPR>: Move the handling of constants
2195 (fold_abs_const): ... here.
2197 2004-03-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2199 * tree.h (TYPE_ARRAY_MAX_SIZE): Use type.maxval directly.
2201 2004-03-19 Denis Chertykov <denisc@overta.ru>
2204 * config/avr/avr.md ("call_insn"): Handle explicit integer
2206 (call_value_insn): Likewise.
2208 2004-03-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2210 * tree.c (substitute_in_expr): Rewrite to simplify and be more generic.
2212 2004-03-19 Kazu Hirata <kazu@cs.umass.edu>
2214 * fold-const.c (negate_expr): Move the handling of constants
2216 (fold_negate_const): ... here.
2218 2004-03-19 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2220 * langhooks-def.h (LANG_HOOKS_HASH_TYPES): New macro and hook.
2221 * langhooks.h (struct lang_hooks_for_types): New field hash_types.
2222 * tree.c (debug_no_type_hash): Deleted.
2223 (type_hash_canon): Abort if passed a variant.
2224 Check lang_hooks.types.hash_types.
2225 (build_type_no_quals): Copy mode of POINTER_TYPE and REFERENCE_TYPE.
2226 (build_array_type): Remove unnecessary allocation of pointer type.
2227 (build_complex_type): Properly qualify resulting type.
2229 2004-03-19 Paolo Bonzini <bonzini@gnu.org>
2231 * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo.
2233 2004-03-19 Richard Sandiford <rsandifo@redhat.com>
2235 * expmed.c (choose_mult_variant, expand_mult_const): New, split from...
2236 (expand_mult): ...here.
2237 (extract_high_half): New, split out from expand_mult_highpart.
2238 (expand_highpart_optab): Likewise. Don't clobber target prematurely.
2239 (expand_highpart): Evaluate the cost of a shift/add sequence,
2240 then see if any of the specialized optabs are cheaper.
2242 2004-03-18 Ian Lance Taylor <ian@wasabisystems.com>
2244 * mklibgcc.in: Remove obsolete MAYBE_USE_COLLECT2.
2246 2004-03-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2248 * convert.c (convert_to_real): Add more math builtins.
2250 2004-03-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * convert.c (convert_to_real): Reformat using switch stmt.
2254 2004-03-18 Mark Mitchell <mark@codesourcery.com>
2256 * c-common.c (pointer_int_sum): Do not complain about using
2257 pointers to pointers-to-members.
2259 2004-03-18 Kazu Hirata <kazu@cs.umass.edu>
2261 * system.h (MD_ASM_CLOBBERS): Move to "Old target macros that
2262 have moved to the target hooks structure".
2264 2004-03-18 James E Wilson <wilson@specifixinc.com>
2266 * config/mips/mips.md (type): Split move into arith and fmove. Split
2267 hilo into mthilo and mfhilo. Add trap. Delete icmp. Fix all uses.
2268 * config/mips/5400.md (ir_vr54_hilo, ir_vr54_arith, ir_vr54_fabs):
2270 * config/mips/5500.md (ir_vr55_hilo, ir_vr55_arith, ir_vr55_fabs):
2272 * config/mips/7000.md (rm7_int_other, rm7_mthilo, rm7_mfhilo,
2273 rm7_fp_quick): Likewise.
2274 * config/mips/9000.md (rm9k_int, rm9k_mfhilo, rm9k_mthilo,
2275 rm9k_fquick): Likewise.
2276 * config/mips/sr71k.md (ir_sr70_hilo, ir_sr70_arith, ir_sr70_fabs):
2278 (ir_sr70_icmp): Delete.
2280 2004-03-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2282 * tree.h (TREE_CHECK2, TREE_CHECK3, TREE_CHECK5): New macros.
2283 (tree_check2_failed, tree_check3_failed, tree_check5_failed): New decl.
2284 (FUNC_OR_METHOD_CHECK, SET_ARRAY_OR_VECTOR_CHECK): New macros.
2285 (REC_OR_UNION_CHECK, NUMERICAL_TYPE_CHECK): Likewise.
2286 (TYPE_VALUES, TYPE_DOMAIN, TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD):
2287 Protect with proper check.
2288 (TYPE_ARG_TYPES, TYPE_METHOD_BASETYPE, TYPE_OFFSET_BASETYPE): Likewise.
2289 (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Likewise.
2290 * tree.c (type_hash_eq): Rewrite to access proper fields for each type.
2291 (tree_check2_failed, tree_check3_failed, tree_check5_failed): New.
2292 * c-typeck.c (build_array_ref): Use TYPE_DOMAIN, not TYPE_VALUES.
2293 * dwarf2out.c (gen_enumeration_type_die): Use TYPE_VALUES,
2295 * stor-layout.c (set_sizetype): Use TYPE_ORIG_SIZE_TYPE.
2297 2004-03-18 Mostafa Hagog <mustafa@il.ibm.com>
2299 * gcse.c (eliminate_partially_redundant_loads): Reject change if
2300 dest is set between beginning and current insn.
2302 2004-03-18 Mark Mitchell <mark@codesourcery.com>
2304 * c-decl.c (grokdeclarator): Do not complain about redeclaring
2305 visible "static" identifiers "extern" in a local scope.
2306 * dwarf2out.c (loc_descriptor_from_tree): Handle pre- and
2307 post-increments/decrements.
2309 2004-03-18 Bob Wilson <bob.wilson@acm.org>
2311 * config/xtensa/xtensa.c (current_function_arg_words): Delete.
2312 (xtensa_builtin_saveregs): Use current_function_args_info.arg_words.
2313 (xtensa_va_start): Remove assignment to current_function_arg_words.
2315 2004-03-18 Richard Sandiford <rsandifo@redhat.com>
2317 * alias.c (record_set): Detect the case where a register is assigned
2318 a new value that has the same base term as the old one.
2320 2004-03-18 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
2322 * doloop.c: Removed.
2323 * loop-doloop.c: New file.
2324 * Makefile.in (doloop.o): Remove.
2325 (loop-doloop.o): New.
2326 * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare.
2327 * cfgloopanal.c (get_loop_level): New function.
2328 * loop-iv.c (iv_number_of_iterations): Handle case when loop
2329 is leaved immediatelly.
2330 * loop.c (strength_reduce): Do not call doloop optimization.
2331 * loop.h (LOOP_BCT): Removed.
2332 * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT.
2333 (rest_of_handle_loop2): Call doloop_optimize_loops.
2334 (rest_of_compilation): Test for optimizations moved to
2335 rest_of_handle_loop2.
2337 2004-03-17 Fariborz Jahanian <fjahanian@apple.com>
2339 * config/rs6000/rs6000.c (rs6000_stack_info): correct reg_size
2341 (rs6000_emit_prologue): Ditto.
2342 (rs6000_emit_epilogue): Ditto.
2343 * config/rs6000/rs6000.h: Definition of DWARF_CIE_DATA_ALIGNMENT
2344 macro for mixed mode.
2346 2004-03-18 Jan Hubicka <jh@suse.cz>
2348 * predict.c (propagate_freq): Compute correctly frequency of
2351 2004-03-17 Eric Christopher <echristo@redhat.com>
2353 * builtins.c (apply_args_size): Use reg_raw_mode.
2354 (apply_result_size): Ditto.
2356 2004-03-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
2359 * config/rtems.h: Add STD_LIB_SPEC and LIB_SPEC.
2361 2004-03-17 Jakub Jelinek <jakub@redhat.com>
2363 * config/rs6000/t-linux64 (bispecs): Don't add -mlong-double-128 for
2364 32-bit builds when defaulting to 32-bit.
2366 2004-03-17 Jan Hubicka <jh@suse.cz>
2368 * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
2371 2004-03-17 James E Wilson <wilson@specifixinc.com>
2373 * config/mips/mips.md (zero_extendsidi2): Add length attribute.
2374 (hazard_nop): Change type to nop.
2375 (type): Split arith into arith, shift, slt, clz. Delete darith.
2376 Fix all uses. Change arith to multi if more than one insn emitted.
2377 * config/mips/5400.md (ir_vr54_arith): Likewise.
2378 * config/mips/5500.md (ir_vr55_arith): Likewise.
2379 * config/mips/7000.md (rm7_int_other): Likewise.
2380 * config/mips/9000.md (rm9k_int): Likewise.
2381 * config/mips/sr71k.md (ir_sr70_arith): Likewise.
2383 2004-03-17 Joel Brobecker <brobecker@gnat.com>
2385 * dwarf2out.c (subrange_type_die): Define new variable "subtype"
2386 to hold the subtype tree instead of recomputing it several times.
2388 2004-03-17 Kazu Hirata <kazu@cs.umass.edu>
2390 * config/mn10300/mn10300.c (notice_update_cc): Don't handle
2392 * config/mn10300/mn10300.md (cc): Remove "invert".
2394 2004-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2396 * builtins.c (integer_valued_real_p): Add builtin rint.
2397 (fold_builtin): Likewise.
2398 * convert.c (convert_to_real): Likewise.
2400 * convert.c (convert_to_real): Fix typos in `long double'
2403 2004-03-16 Mark Mitchell <mark@codesourcery.com>
2406 * fold-const.c (fold): Set TREE_NO_UNUSED_WARNING on implicitly
2407 generated COMPOUND_EXPRs.
2409 2004-03-16 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
2411 * config/h8300/t-rtems (h8300-*-rtems*): New.
2413 2004-03-16 Eric Christopher <echristo@redhat.com>
2415 * doc/cppopts.texi(fwide-exec-charset): Fix typo.
2417 2004-03-16 Kazu Hirata <kazu@cs.umass.edu>
2419 * config/i386/i386-protos.h: Add a prototype for
2420 ix86_reverse_condition.
2421 * config/i386/i386.c (ix86_reverse_condition): New.
2422 * config/i386/i386.h (REVERSE_CONDITION): Use
2423 ix86_reverse_condition.
2424 * config/i386/i386.md: Use ix86_reverse_condition instead of
2427 2004-03-16 J. Brobecker <brobecker@gnat.com>
2429 * dwarf2out.c (loc_descriptor_from_tree): Add handling for MIN_EXPR.
2431 2004-03-16 Nathanael Nerode <neroden@gcc.gnu.org>
2434 * Makefile.in: Pass $(INCLUDES) down to libgcc.mk explicitly.
2436 2004-03-16 Paolo Bonzini <bonzini@gnu.org>
2438 * c-common.c (c_common_type_for_mode): Build vector types on
2440 (handle_mode_attribute): Deprecate using the mode attribute
2441 to create vector types. Fix indentation.
2442 (vector_type_node_list): Remove.
2443 (handle_vector_size_attribute): Create vector types on demand.
2444 Strip a NON_LVALUE_EXPR from the attribute if there is one.
2445 * c-typeck.c (comptypes): Make vector types compatible if they
2446 have the same underlying mode.
2447 (convert_for_assignment): Use comptypes to convert between
2449 * tree.c (build_common_tree_nodes_2): Do not create vector types.
2450 * config/arm/arm.c (arm_init_iwmmxt_builtins): Create necessary
2452 * tree.h: Remove vector types.
2453 * config/i386/i386.c (i386_init_mmx_sse_builtins): Likewise.
2454 * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
2455 (V16QI_type_node, V2SI_type_node, V2SF_type_node, V4HI_type_node,
2456 V4SI_type_node, V4SF_type_node, V8HI_type_node): New globals.
2457 * doc/extend.texi (Vector Types): Document how to use the
2458 vector_size attribute to create vectors, rather than mode.
2460 * config/arm/mmintrin.h: Use vector_size attribute, not mode.
2461 * config/i386/emmintrin.h: Likewise.
2462 * config/i386/mmintrin.h: Likewise.
2463 * config/i386/xmmintrin.h: Likewise.
2464 * config/sh/ushmedia.h: Likewise.
2466 2004-03-16 Kazu Hirata <kazu@cs.umass.edu>
2468 * config/freebsd-spec.h, config/arc/arc-protos.h,
2469 config/arm/aout.h, config/arm/elf.h, config/arm/freebsd.h,
2470 config/arm/linux-gas.h, config/arm/semi.h,
2471 config/cris/cris-protos.h, config/i386/xm-djgpp.h,
2472 config/ia64/freebsd.h, config/mips/7000.md,
2473 config/mips/9000.md, config/ns32k/ns32k-protos.h,
2474 config/sparc/pbd.h: Update copyright.
2476 2004-03-16 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
2479 * config.gcc: Switch sh-*-rtems* to ELF. Add sh-*-rtemscoff.
2481 2004-03-16 Paolo Bonzini <bonzini@gnu.org>
2483 * combine.c (combine_simplify_rtx): Remove the "last"
2484 parameter and its documentation. Adjust recursive calls.
2485 (simplify_logical): Always perform the only simplification
2486 controlled by "last", if the simplified expression is
2488 (try_combine): Do not pass the "last" parameter to
2489 combine_simplify_rtx.
2491 2004-03-16 Richard Sandiford <rsandifo@redhat.com>
2494 * config/mips/mips.md (UNSPEC_GP): New constant.
2495 * config/mips/mips.c (CONST_GP_P): Expect the CONST to contain
2496 an UNSPEC instead of (reg $gp).
2497 (mips16_gp_pseudo_reg): Change accordingly.
2498 (print_operand): Print $gp directly when handling CONST_GP_P.
2500 2004-03-16 Richard Zidlicky <rz@linux-m68k.org>
2502 * config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
2503 * longlong.h: Make code 68060 clean when compiling for m68060.
2505 2004-03-16 Richard Zidlicky <rz@linux-m68k.org>
2507 * config/m68k/m68k.md: Fix constraints for bitfield instructions.
2508 * doc/md.texi: Clarify description of "i" constraint.
2510 2004-03-15 James E Wilson <wilson@specifixinc.com>
2512 * config/mips/mips.md (type): Split load into load, fpload, fpidxload.
2513 Split store into store, fpstore, fpidxstore. Fix all uses.
2514 * config/mips/5400.md (ir_vr54_load, ir_vr54_store, ir_vr54_fstore):
2516 * config/mips/5500.md (ir_vr55_load, i5_vr55_store): Likewise.
2517 * config/mips/7000.md (rm7_ld, rm7_st): Likewise.
2518 * config/mips/9000.md (rm9k_load, rm9k_store): Likewise.
2519 * config/mips/sr71k.md (ir_sr70_load, ir_sr70_store, ir_sr70_fload,
2520 ir_sr70_fstore): Likewise.
2522 2004-03-15 Richard Henderson <rth@redhat.com>
2525 * except.c (collect_one_action_chain): Record action for cleanup
2526 outer of exception spec.
2528 2004-03-15 Ian Lance Taylor <ian@wasabisystems.com>
2530 * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
2531 Fix the check for abort and only do the mmap if we can.
2533 2004-03-15 Eric Botcazou <ebotcazou@act-europe.fr>
2535 * config/sparc/sparc.h: Rework comments about the code model
2536 in 64-bit environment and the mode 'Pmode'.
2537 * doc/invoke.texi (SPARC options): Rework description of the
2538 different code models supported in 64-bit environment.
2540 2004-03-15 Kazu Hirata <kazu@cs.umass.edu>
2542 * defaults.h (REVERSIBLE_CC_MODE): Define.
2543 * jump.c (reversed_comparison_code_parts): Don't check if
2544 REVERSIBLE_CC_MODE is defined.
2546 2004-03-15 Kazu Hirata <kazu@cs.umass.edu>
2548 * c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
2549 et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
2550 hosthooks.h, params.h, ra-colorize.c, web.c,
2551 config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
2552 config/avr/avr-protos.h, config/avr/avr.md,
2553 config/fr30/fr30-protos.h, config/fr30/fr30.md,
2554 config/h8300/fixunssfsi.c, config/i386/darwin.h,
2555 config/i386/freebsd.h, config/i386/freebsd64.h,
2556 config/ia64/hpux.h, config/ia64/unwind-ia64.c,
2557 config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
2558 config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
2559 config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
2560 config/pa/pa64-regs.h, config/rs6000/aix41.h,
2561 config/rs6000/aix43.h, config/rs6000/host-darwin.c,
2562 config/sparc/aout.h, config/sparc/freebsd.h,
2563 config/sparc/litecoff.h, config/vax/vax-protos.h,
2564 doc/hostconfig.texi, doc/include/gcc-common.texi: Update
2567 2004-03-15 Paul Brook <paul@codesourcery.com>
2569 * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.
2571 2004-03-15 Gabriel Dos Reis <gdr@integrable-solutions.net>
2573 * c-pretty-print.c (pp_c_semicolon): Fix formatting.
2574 (pp_c_cv_qualifier): Document.
2575 (pp_c_space_for_pointer_operator): Likewise.
2576 (pp_c_integer_constant): Likewise.
2577 (pp_c_identifier): Likewise.
2578 (pp_c_init_declarator): Don't print function body.
2580 2004-03-14 Joseph S. Myers <jsm@polyomino.org.uk>
2582 * doc/contrib.texi, doc/extend.texi, doc/gcov.texi,
2583 doc/install.texi, doc/invoke.texi, doc/makefile.texi,
2584 doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Capitalize
2585 "gcc", "g++" and "g77" or mark up with appropriate markup. Adjust
2586 wording and grammar.
2588 2004-03-14 Roger Sayle <roger@eyesopen.com>
2590 * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) ()
2591 with lang_hooks.foo ().
2592 * builtins.c (expand_builtin_va_arg): Likewise.
2593 * c-common.c (fname_as_string, c_common_truthvalue_conversion,
2594 c_common_type_for_mode, c_common_nodes_and_builtins,
2595 handle_mode_attribute, handle_vector_size_attribute): Likewise.
2596 * c-convert.c (convert): Likewise.
2597 * c-format.c (check_format_types): Likewise.
2598 * c-objc-common.c (c_tree_printer): Likewise.
2599 * c-typeck.c (build_unary_op, build_conditional_expr,
2600 build_binary_op): Likewise.
2601 * calls.c (try_to_integrate, expand_call,
2602 emit_library_call_value_1): Likewise.
2603 * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p):
2605 * cgraphunit.c (record_call_1, cgraph_analyze_function,
2606 cgraph_expand_function): Likewise.
2607 * convert.c (convert_to_pointer, convert_to_integer): Likewise.
2608 * coverage.c (build_fn_info_type, build_ctr_info_type,
2609 build_gcov_info, create_coverage): Likewise.
2610 * dbxout.c (dbxout_init): Likewise.
2611 * diagnostic.c (diagnostic_report_current_function): Likewise.
2612 * dojump.c (do_jump): Likewise.
2613 * dwarf2out.c (dwarf2_name): Likewise.
2614 * except.c (init_eh): Likewise.
2615 * explow.c (expr_size, int_expr_size): Likewise.
2616 * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add):
2618 * expr.c (store_expr, store_constructor, safe_from_p,
2619 expand_expr_real, do_store_flag, try_casesi): Likewise.
2620 * function.c (push_function_context_to, pop_function_context_from,
2621 free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type,
2622 put_var_into_stack, allocate_struct_function, current_function_name):
2624 * integrate.c (copy_decl_for_inlining, expand_inline_function):
2626 * langhooks.c (lhd_clear_binding_stack, write_global_declarations,
2627 lhd_print_error_function): Likewise.
2628 * opts.c (handle_option, decode_options): Likewise.
2629 * passes.c (open_dump_file): Likewise.
2630 * print-tree.c (print_node): Likewise.
2631 * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands,
2632 expand_decl_cleanup, emit_case_nodes): Likewise.
2633 * stor-layout.c (variable_size): Likewise.
2634 * toplev.c (announce_function, wrapup_global_declarations,
2635 check_global_declarations, compile_file, default_tree_printer,
2636 process_options, lang_dependent_init, finalize): Likewise.
2637 * tree-dump.c (dequeue_and_dump): Likewise.
2638 * tree-inline.c (remap_decl, remap_block, copy_body_r,
2639 initialize_inlined_parameters, declare_return_variable,
2640 inlinable_function_p, expand_call_inline, optimize_inline_calls,
2641 walk_tree, copy_tree_r): Likewise.
2642 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2643 * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp,
2644 unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl,
2645 variably_modified_type_p, dump_tree_statistics): Likewise.
2646 * varasm.c (assemble_variable, compare_constant, copy_constant,
2647 force_const_mem, compute_reloc_for_constant, output_constant,
2648 output_addressed_constants, initializer_constant_valid_p): Likewise.
2650 2004-03-14 Kelley Cook <kcook@gcc.gnu.org>
2652 * doc/install.texi: Make autoconf 2.13 the exception, not the rule.
2654 2004-03-14 Andreas Tobler <a.tobler@schweiz.ch>
2656 * doc/install.texi: Reflect autoconf and automake version for
2657 libffi. Update autoconf version to 2.59.
2659 2004-03-13 Roger Sayle <roger@eyesopen.com>
2661 * fold-const.c (negate_expr, operand_equal_for_comparison_p,
2662 optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
2663 make_range, build_range_check, fold_range_test, unextend,
2664 constant_boolean_node, fold_binary_op_with_conditional_arg,
2665 fold_truthop, fold_mathfn_compare, fold_inf_compare,
2666 fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
2667 with lang_hooks.foo ().
2669 2004-03-14 Richard Earnshaw <rearnsha@arm.com>
2671 * arm.h (EXTRA_CONSTRAINT_STR_ARM): Update comment.
2673 2004-03-13 Dara Hazeghi <dhazeghi@yahoo.com>
2675 * doc/install.texi: Note status of -fnew-ra.
2677 2004-03-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2680 * expr.c (store_expr): Call emit_queue before generating the move
2681 from the temporary to the original target. Protect the temporary
2684 2004-03-13 Jakub Jelinek <jakub@redhat.com>
2687 * config/s390/s390.c (legitimize_pic_address): Don't abort on UNSPEC
2688 other than UNSPEC_GOTOFF.
2690 2004-03-13 Richard Earnshaw <rearnsha@arm.com>
2692 * arm.c (arm_legitimate_address_p): New argument, OUTER. Pass through
2693 to arm_legitimate_index_p. Update all callers with SET as default
2695 (arm_legitimate_index_p): New argument, OUTER. Restrict the index
2696 range if OUTER is a sign-extend operation on QImode. Correctly
2697 reject shift operations on sign-extended QImode addresses.
2698 (bad_signed_byte_operand): Delete.
2699 (arm_extendqisi_mem_op): New function.
2700 * arm.h (EXTRA_CONSTRAINT_ARM): Delete. Replace with...
2701 (EXTRA_CONSTRAINT_STR_ARM): ... this. Handle extended address
2703 (CONSTRAINT_LEN): New.
2704 (EXTRA_CONSTRAINT): Delete. Replace with...
2705 (EXTRA_CONSTRAINT_STR): ... this.
2706 (PREDICATE_CODES): Remove bad_signed_byte_operand.
2707 * arm.md (extendqihi_insn): Use new constraint Uq. Rework. Length
2708 is now always default.
2709 (define_splits for bad sign-extend loads): Delete.
2710 (arm_extendqisi, arm_extendqisi_v5): Likewise.
2711 * arm/vfp.md (arm_movsi_vfp, arm_movdi_vfp, movsf_vfp, movdf_vfp):
2712 Rework 'U' constraint to 'Uv'.
2713 * arm-protos.h: Remove bad_signed_byte_operand. Add
2714 arm_extendqisi_mem_op.
2715 * doc/md.texi (ARM constraints): Rename VFP constraint (now Uv).
2718 2004-03-13 Alan Modra <amodra@bigpond.net.au>
2720 * config/rs6000/rs6000.c (rs6000_va_arg): Replace SPLIT_COMPLEX_ARGS
2721 with targetm version.
2724 * config/rs6000/rs6000.h (UNITS_PER_ARG, RS6000_ARG_SIZE): Delete.
2725 (HARD_REGNO_MODE_OK): Disallow TFmode for fp31.
2726 * config/rs6000/rs6000.c (rs6000_arg_size): New function.
2727 Update all users of RS6000_ARG_SIZE.
2728 (function_arg_advance): Count fregno using mode size.
2729 (function_arg): Handle long double split over regs and memory.
2730 (function_arg_partial_nregs): Likewise.
2731 (rs6000_va_arg): Repackage complex args.
2733 2004-03-13 Dean Ferreyra <dferreyra@igc.org>
2736 * config/avr/avr.c (avr_progmem_p): Add "attributes" parameter.
2737 (avr_insert_attributes): Pass "attributes" to avr_progmem_p.
2738 * config/avr/avr-protos.h (avr_progmem_p): Change prototype.
2740 2004-03-12 Jakub Jelinek <jakub@redhat.com>
2742 * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
2744 * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
2745 * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2747 2003-03-12 Andrew Pinski <apinski@apple.com>
2749 * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
2750 Use ret instead of result. Use addr instead of base.
2752 2004-03-12 David Edelsohn <edelsohn@gnu.org>
2754 * doc/install.texi (*-ibm-aix*): Document assembler and achiver
2755 fixes required by libstdc++ and update installation instructions
2758 2004-03-12 Danny Smith <dannysmith@users.sourceforge.net>
2760 * config/i386/winnt.c (i386_pe_strip_name_encoding_full): Strip
2761 leading '@' on fastcall symbols before stripping suffix.
2763 2004-03-12 Roger Sayle <roger@eyesopen.com>
2765 * combine.c (unmentioned_reg_p): New function to check whether an
2766 expression is a "specialization" of another, i.e. that there are
2767 no registers or memory references mentioned in the first that don't
2768 appear in the second.
2769 (unmentioned_reg_p_1): New helper subroutine of unmentioned_reg_p.
2770 (combine_instructions): Also try combining instructions using the
2771 REG_EQUAL note from a preceding log-linked instruction.
2773 2004-03-12 Roger Sayle <roger@eyesopen.com>
2775 * config/i386/i386.c (ix86_split_ashrdi): Optimize shift by 63.
2777 2004-03-12 Matt Austern <austern@apple.com>
2779 * target.h (struct gcc_target): New target hook, unwind_label.
2780 * target-def.h (TARGET_ASM_EMIT_UNWIND_LABEL): New hook.
2781 * output.h (default_emit_unwind_label): New function.
2782 * default.h (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): New macro.
2783 (TARGET_USES_WEAK_UNWIND_INFO): New target macro.
2784 (TARGET_SUPPORTS_HIDDEN): New target macro.
2785 * dwarf2out.c (struct dw_fde_struct): Add field for function decl
2786 that corresponds to this FDE.
2787 (FRAME_BEGIN_LABEL): Allow target to override default label.
2788 (output_call_frame_info): If FDEs are linknonce, then use extra
2789 indirection for FDE encoding, output a label for each FDE, and
2790 output an empty label for each function without an FDE.
2791 (dwarf2out_begin_prologue): Set up decl field when creating an FDE.
2792 * varasm.c (globalize_decl): Call ASM_MAKE_LABEL_LINKONCE for
2793 decls with DECL_ONE_ONLY set, if that macro is defined.
2794 (make_decl_one_only): Don't use DECL_COMMON if we're compiling
2795 for a SUPPORTS_ONE_ONLY target.
2796 * config/darwin-protos.h (darwin_unique_section): Declare.
2797 (darwin_asm_named_section): Likewise.
2798 (darwin_section_type_flags): Likewise.
2799 (darwin_non_lazy_pcrel): Likewise.
2800 (darwin_emit_unwind_label): Likewise.
2801 (darwin_make_decl_one_only): Likewise.
2802 * config/darwin.c (machopic_finish): Get rid of tweak that
2803 eliminate stubs for symbols that are defined.
2804 (darwin_encode_section_info): Don't treat weak functions as defined.
2805 (darwin_make_decl_one_only): Define.
2806 (darwin_asm_named_section): Likewise.
2807 (darwin_section_type_flags): Likewise.
2808 (darwin_unique_section): Likewise.
2809 (darwin_emit_unwind_label): Likewise.
2810 (darwin_non_lazy_pcrel): Likewise.
2811 (darwin_asm_output_dwarf_delta): Difference between two labels is
2812 local only if both labels are local.
2813 * config/darwin.h (MAKE_DECL_ONE_ONLY): Define.
2814 (ASM_MAKE_LABEL_LINKONCE): Likewise.
2815 (TARGET_SUPPORTS_HIDDEN): Likewise.
2816 (TARGET_USES_WEAK_UNWIND_INFO): Likewise.
2817 (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): Likewise.
2818 (FRAME_BEGIN_LABEL): Likewise.
2819 (ASM_DECLARE_OBJECT_NAME): Make references to weak symbols indirect.
2820 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2821 (darwin_eh_frame_section): Give __eh_frame section the coalesced flag.
2822 (TARGET_ASM_UNIQUE_SECTION): Define.
2823 (EH_FRAME_SECTION_NAME): Define.
2824 (EH_FRAME_SECTION_ATTR): Likewise.
2825 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2826 (TARGET_ASM_NAMED_SECTION): Likewise.
2827 (TARGET_SECTION_TYPE_FLAGS): Likewise.
2828 * doc/tm.texi: Document TARGET_USES_WEAK_UNWIND_INFO,
2829 TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, TARGET_SUPPORTS_HIDDEN,
2830 TARGET_ASM_EMIT_UNWIND_LABEL.
2832 2004-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * builtins.c (expand_builtin_mathfn): Add pow10* to the
2835 existing exp10* case.
2836 (expand_builtin): Likewise.
2838 2004-03-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2840 * doc/tm.texi (registers) <Values in Registers>: Add
2841 entry for REGMODE_NATURAL_SIZE.
2843 2004-03-12 Richard Henderson <rth@redhat.com>
2846 * target.h (struct gcc_target): Move calls substructure before
2847 booleans. Add split_complex_arg.
2848 * function.c (assign_parms, split_complex_args): Use it.
2849 * calls.c (expand_call): Likewise.
2850 (split_complex_values): Likewise. Check for splittable types
2851 before allocating memory.
2852 (split_complex_types): Likewise.
2853 * system.h (SPLIT_COMPLEX_ARGS): Poison.
2854 * expr.h (SPLIT_COMPLEX_ARGS): Remove.
2855 * target-def.h (TARGET_SPLIT_COMPLEX_ARG): New.
2856 * config/alpha/alpha.c (alpha_split_complex_arg): New.
2857 (TARGET_SPLIT_COMPLEX_ARG): New.
2858 * config/alpha/alpha.h (SPLIT_COMPLEX_ARGS): Remove.
2859 * config/rs6000/rs6000.c (TARGET_SPLIT_COMPLEX_ARG): New.
2860 (rs6000_override_options): Zap it for non-AIX.
2861 (rs6000_function_value): Use targetm.calls.split_complex_arg.
2862 * config/rs6000/rs6000.h (SPLIT_COMPLEX_ARGS): Remove.
2863 * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): New.
2864 * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Remove.
2865 * doc/tm.texi (TARGET_SPLIT_COMPLEX_ARG): Modify from old
2866 SPLIT_COMPLEX_ARGS entry.
2868 2004-03-11 Richard Henderson <rth@redhat.com>
2870 * config/alpha/alpha.c (xfloating_ops, vax_cvt_ops): New.
2871 (alpha_lookup_xfloating_lib_func): Use them, return rtx.
2872 (alpha_emit_xfloating_arith): Update to match.
2873 (alpha_emit_xfloating_compare): Likewise.
2874 (alpha_emit_xfloating_cvt): Likewise.
2875 (alpha_emit_xfloating_libcall): Take already built symbol,
2877 * config/alpha/alpha.md (extendsftf2, extenddftf2): Take
2880 2004-03-11 Richard Henderson <rth@redhat.com>
2883 * config/alpha/alpha.h (STACK_BOUNDARY): Set to 128.
2885 * simplify-rtx.c (simplify_relational_operation): Fix typo.
2887 2004-03-11 Richard Henderson <rth@redhat.com>
2890 * except.c (remove_unreachable_regions): Look thru CALL_PLACEHOLDER.
2892 2004-03-11 Ulrich Weigand <uweigand@de.ibm.com>
2895 * calls.c (load_register_parameters): If BLOCK_REG_PADDING is not
2896 defined, pass small BLKmode values in registers in the low-order part.
2898 2004-03-11 Ulrich Weigand <uweigand@de.ibm.com>
2900 * combine.c (if_then_else_cond): Check for NULL return value of
2901 simplify_gen_subreg.
2903 2004-03-11 Richard Sandiford <rsandifo@redhat.com>
2906 * config/mips/mips.h (UNITS_PER_FPVALUE): Fix value for
2907 TARGET_SINGLE_FLOAT.
2909 2004-03-11 Steve Ellcey <sje@cup.hp.com>
2911 * config/ia64/hpux.h (TARGET_INIT_LIBFUNCS): Add undef.
2912 * config/ia64/ia64.h (TARGET_INIT_LIBFUNCS): Add define.
2913 * config/ia64/ia64.c (ia64_init_libfuncs): New.
2914 (ia64_hpux_init_libfuncs): Add call to ia64_init_libfuncs.
2916 2004-03-11 Roger Sayle <roger@eyesopen.com>
2918 * fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
2919 -((int)X>>C) where C is an integer constant one bit less than the
2920 size of X into (unsigned)X>>C. Similarly for unsigned->signed.
2921 (negate_expr) <RSHIFT_EXPR>: Implement the above transformations.
2923 * simplify-rtx.c (simplify_unary_operation): Also implement the
2924 above transformations at the RTL level.
2926 2004-03-11 Alan Modra <amodra@bigpond.net.au>
2928 * real.c (encode_ibm_extended): Do round low word.
2930 2004-03-11 Ben Elliston <bje@wasabisystems.com>
2932 * config/arm/arm.md (is_xscale): Comment this attribute and move
2933 it a bit further up in the file, closer to related attributes.
2935 2004-03-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2937 * config/host-solaris.c (sol_gt_pch_use_address): Add
2938 missing terminating marker to comment.
2940 2004-03-11 Richard Sandiford <rsandifo@redhat.com>
2942 * config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
2943 (movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
2944 (*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
2945 (*movsf_mips16, *movdf_mips16): Name unnamed patterns. Use
2946 move_operand as source predicate in all cases.
2947 (*movdi_32bit): Renamed from movdi_internal. Remove 'F' constraint.
2948 Test reg_or_0_operand. Use move_operand as source predicate.
2949 (*movdi_64bit): Renamed from movdi_internal2. Test reg_or_0_operand.
2950 (*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
2951 (*movsi_internal): Renamed from movsi_internal. Test reg_or_0_operand.
2952 (movhi, movqi, movsf, movdf): Use mips_legitimize_move.
2953 (*movhi_internal): Renamed from movhi_internal. Test reg_or_0_operand.
2954 Use move_operand as source predicate. Remove 'K' constraint.
2955 (*movqi_internal): Likewise movqi_internal.
2956 (*movsf_hardfloat): Renamed from movsf_internal1. Test
2957 reg_or_0_operand. Use move_operand as source predicate.
2958 (*movsf_softfloat): Likewise movsf_internal2.
2959 (*movdf_hardfloat_64bit): Likewise movsf_internal1a.
2960 (*movdf_hardfloat_32bit): Likewise movsf_internal1b.
2961 (*movdf_softfloat): Likewise movdf_internal2.
2962 * config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
2963 for DImode if !TARGET_64BIT.
2964 (mips_legitimize_move): Simplify accordingly.
2966 2004-03-11 Josef Zlomek <zlomekj@suse.cz>
2969 * var-tracking.c (struct variable_def): Added field refcount.
2970 (variable_htab_free): Decrease the refcount and delete variable
2971 only if there are no more references.
2972 (unshare_variable): New function.
2973 (vars_copy_1): Increase refcount instead of copying the variable.
2974 (variable_union): Share the variables where possible, unshare
2975 the variables if needed.
2976 (variable_different_p): Return false if var1 and var2 are
2978 (variable_was_changed): Init the refcount of new variable.
2979 (set_frame_base_location): Unshare variable if needed.
2980 (set_variable_part): Init the refcount of new variable.
2981 Unshare the variables if needed.
2982 (delete_variable_part): Unshare the variables if needed.
2983 (emit_notes_for_differences_1): Init the refcount of new variable.
2984 (vt_add_function_parameters): Do not add function parameters to
2985 IN set of ENTRY_BLOCK_PTR because it is unused anyway.
2986 (vt_initialize): Do not add frame_base_decl to IN set of
2987 ENTRY_BLOCK_PTR because it is unused anyway.
2989 2004-03-11 Josef Zlomek <zlomekj@suse.cz>
2991 * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
2992 (vars_copy): Likewise.
2993 (variable_union): Likewise.
2994 (set_variable_part): Likewise.
2995 (delete_variable_part): Likewise.
2997 2004-03-11 Kazu Hirata <kazu@cs.umass.edu>
2999 * c-typeck.c, combine.c, cse.c, dominance.c, et-forest.h,
3000 ggc-page.c, var-tracking.c, config/fp-bit.c, config/c4x/c4x.c,
3001 config/cris/cris.c, config/i386/ppro.md, config/i860/i860.c,
3002 config/i860/i860.h, config/m32r/m32r.h, config/m32r/xm-m32r.h,
3003 config/m68hc11/m68hc11.h, config/m68hc11/m68hc11.md,
3004 config/mips/mips.c, config/mmix/mmix.c, config/ns32k/ns32k.h,
3005 config/pa/pa.c, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
3006 config/pdp11/pdp11.h, config/rs6000/rs6000.c,
3007 config/stormy16/stormy16.c: Fix comment typos and formatting.
3009 2004-03-11 Nathanael Nerode <neroden@gcc.gnu.org>
3011 * configure: Regenerate, since I forgot to while committing Paolo's
3014 2004-03-08 Paolo Bonzini <bonzini@gnu.org>
3017 Move language detection to the top level.
3018 * configure.ac: Remove code to detect languages,
3019 it now lives exclusively in the top level.
3020 * aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
3021 top level, renamed to ACX_PROG_GNAT.
3023 2004-03-10 Richard Henderson <rth@redhat.com>
3025 * c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
3027 * config.host (*-*-solaris2*, *-*-linux*): Add out_host_hook_obj
3028 and host_xmake_file fragments.
3029 * ggc-common.c (gt_pch_save): Update for gt_pch_get_address change.
3030 (gt_pch_restore): Similarly for gt_pch_use_address.
3031 (default_gt_pch_get_address): New.
3032 (mmap_gt_pch_get_address): Split out of gt_pch_save.
3033 (default_gt_pch_use_address): Split out of gt_pch_restore.
3034 (mmap_gt_pch_use_address): Likewise.
3035 * hooks.c (hook_voidp_size_t_null): Remove.
3036 (hook_bool_voidp_size_t_false): Remove.
3037 * hooks.h: Likewise.
3038 * hosthooks-def.h (HOST_HOOKS_GT_PCH_GET_ADDRESS): Use one of the
3039 default_ or mmap_ definitions.
3040 (HOST_HOOKS_GT_PCH_USE_ADDRESS): Likewise.
3041 * hosthooks.h (struct host_hooks): Update gt_pch_get_address
3042 and gt_pch_use_address.
3043 * config/host-linux.c, config/host-solaris.c: New files.
3044 * config/x-linux, config/x-solaris: New files.
3045 * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_get_address):
3046 Update for changed definition.
3047 (darwin_rs6000_gt_pch_use_address): Likewise.
3048 * doc/hostconfig.texi: Update docs.
3050 2004-03-10 Richard Henderson <rth@redhat.com>
3053 * c-decl.c (grokdeclarator): Don't warn for duplicate qualifiers
3054 except for pedantic c90 mode.
3056 2004-03-10 Kelley Cook <kcook@gcc.gnu.org>
3058 * configure.ac: Bump AC_PREREQ to 2.59.
3059 * configure: Regenerate.
3061 2004-03-10 Uros Bizjak <uros@kss-loka.si>
3063 * optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
3064 (exp10_optab, exp2_optab): Define corresponding macros.
3065 * optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
3066 * genopinit.c (optabs): Implement exp10_optab and exp2_optab
3067 using exp10?f2 and exp2?f2 patterns.
3068 * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
3069 using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
3070 (expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
3071 using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3073 * config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
3074 exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
3075 exp2, exp2f and exp2l built-ins as inline x87 intrinsics.
3077 2004-03-10 Anthony Green <green@redhat.com>
3079 * doc/invoke.texi (ARM Options): Fix -mpfu typo.
3081 2004-03-10 David Edelsohn <edelsohn@gnu.org>
3083 * config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
3084 (TARGET_OS_AIX_CPP_BUILTINS): this. Conditionally define
3086 * config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
3087 TARGET_OS_AIX_CPP_BUILTINS.
3088 * config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
3089 * config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
3090 * config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
3091 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
3094 2004-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3096 * fold-const.c (tree_expr_nonnegative_p): Add more builtin cases.
3098 2004-03-10 David Edelsohn <edelsohn@gnu.org>
3100 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3101 __LONGDOUBLE128 on AIX.
3103 2004-03-10 Andrew Haley <aph@redhat.com>
3105 PR optimization/14381
3106 * function.c (expand_function_end): Emit a blockage insn before
3107 the epilogue when -fnon-call-exceptions is used.
3109 * except.c (expand_start_all_catch): Make comment more accurate.
3111 2004-03-08 Joel Sherrill <joel@oarcorp.com>
3114 * config/rs6000/t-rtems: Add missing file on branch.
3116 2004-03-10 Ulrich Weigand <uweigand@de.ibm.com>
3118 * dbxout.c (dbxout_symbol_location): Do not output references
3119 to optimized-out constant pool symbols.
3121 2004-03-10 Andreas Schwab <schwab@suse.de>
3123 * config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable
3126 2004-03-09 James E Wilson <wilson@specifixinc.com>
3128 * alias.c (alias_sets_might_conflict_p): New.
3129 * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1.
3130 * common.opt (Wstrict-aliasing=): New.
3131 * flags.h (warn_strict_aliasing): Change type to int.
3132 * opts.c (warn_strict_aliasing): Change type to int.
3133 (common_handle_option): Handle OPT_Wstrict_aliasing_.
3134 * tree.h (alias_sets_might_conflict_p): Declare it.
3135 * doc/invoke.tex (-Wstrict-aliasing=2): Document it.
3137 2004-03-10 Roman Zippel <zippel@linux-m68k.org>
3140 * config/m68k/m68k.h (FIXED_REGISTERS): Add arg pointer.
3141 (CALL_USED_REGISTERS): Likewise.
3142 (REG_CLASS_CONTENTS): Likewise.
3143 (REG_ALLOC_ORDER): New.
3144 (REGNO_REG_CLASS): Use regno_reg_class.
3145 * config/m68k/m68k.c: Add regno_reg_class array.
3147 2004-03-09 Steve Ellcey <sje@cup.hp.com>
3149 * config/ia64/ia64.md (divsi3): Fix algorithm.
3151 (setf_exp_xf): Remove '*' from name.
3152 * testsuite/gcc.dg/20040309-1.c: New test.
3154 2004-03-09 Ian Lance Taylor <ian@wasabisystems.com>
3156 * system.h (SUNOS4_SHARED_LIBRARIES): Poison.
3157 * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
3158 * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
3159 * config/sparc/sparc.c (sparc_aout_select_section): Remove.
3160 (sparc_aout_select_rtx_section): Don't check
3161 SUNOS4_SHARED_LIBRARIES.
3162 * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.
3164 2004-03-10 Hans-Peter Nilsson <hp@axis.com>
3167 * doc/md.texi (Pattern Ordering, Dependent Patterns)
3168 (Jump Patterns, Looping Patterns): Wrap in separate "@ifset
3171 2004-03-09 Zack Weinberg <zack@codesourcery.com>
3173 * config/ia64/hpux.h (MULTILIB_DEFAULTS): Define.
3174 (LIBGCC_SPEC): Update to match.
3176 2004-03-09 Zack Weinberg <zack@codesourcery.com>
3178 * c-decl.c (last_function_parms, last_function_parm_tags)
3179 (last_function_parm_others, current_function_parms)
3180 (current_function_parm_tags, current_function_parm_others):
3182 (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES, ARG_INFO_OTHERS):
3184 (grokdeclarator): For function definitions, save the arg-info
3185 block from the declarator in DECL_ARGUMENTS.
3186 (grokparms): Do not write to last_function_parm*. Use ARG_INFO_*
3187 macros to operate on arg-info block. Can assume ARG_INFO_PARMS
3188 contains only PARM_DECLs. Improve diagnostics.
3189 (get_parm_info): Use ARG_INFO_* macros. Improve comments and
3190 diagnostics. Disable some expensive checks if not ENABLE_CHECKING.
3191 (store_parm_decls_newstyle): Take the function to operate on,
3192 and an arg-info block, as arguments; don't get anything from
3193 current_function_* globals.
3194 (store_parm_decls_oldstyle): Likewise.
3195 (store_parm_decls): Pass fndecl and its arg-info block down to
3196 store_parm_decls_newstyle/oldstyle. Send functions with empty
3197 argument lists through store_parm_decls_newstyle to reduce
3199 (pushdecl): Comment on the problems with the call to copy_node.
3200 Clear DECL_ARGUMENTS of the old node after copying it, if it
3201 is an arg-info block instead of a chain of decls.
3202 (start_function): Do not manipulate current_function_parm* or
3203 last_function_parm*.
3205 2004-03-09 Roger Sayle <roger@eyesopen.com>
3206 Andrew Pinski <pinskia@physics.uc.edu>
3208 * ifcvt.c (noce_try_sign_mask): New function to transform
3209 "x = (y < 0) ? z : 0" into the equivalent "x = (y >> C) & z".
3210 (noce_process_if_block): Call noce_try_sign_mask.
3212 2004-03-09 Andrew Pinski <apinski@apple.com>
3214 * c-typeck.c (tagged_types_tu_compatible_p):
3217 2004-03-09 Roger Sayle <roger@eyesopen.com>
3219 * simplify-rtx.c (simplify_const_relational_operation): New function
3220 renamed from simplify_relational_operation.
3221 (simplify_relational_operation): Change prototype to accept an
3222 additional mode argument. Call simplify_const_relational_operation.
3223 (simplify_gen_relational): Update simplify_relational_operation call.
3224 (simplify_ternary_operation): Update simplify_relational_operation
3225 subroutine call to use simplify_const_relational_operation instead.
3227 * rtl.h (simplify_const_relational_operation): Prototype here.
3228 (simplify_relational_operation): Add addtional mode argument.
3230 * combine.c (combine_simplify_rtx): Update calls to
3231 simplify_relational_operation.
3232 (simplify_set): Likewise.
3233 (gen_binary): Likewise.
3234 * cse.c (fold_rtx): Likewise.
3235 * dojump.c (compare_from_rtx): Likewise.
3236 (do_compare_rtx_and_jump): Likewise.
3237 * integrate.c (subst_constants): Likewise.
3238 * unroll.c (simplify_cmp_and_jump_insns): Likewise.
3240 2004-03-09 Kazu Hirata <kazu@cs.umass.edu>
3242 * config/m32r/m32r.md: Remove all define_peephole's.
3244 2004-03-09 Alan Modra <amodra@bigpond.net.au>
3246 * config/rs6000/rs6000.md: Remove trailing whitespace.
3248 2004-03-08 Eric Christopher <echristo@redhat.com>
3250 * Makefile.in (site.exp): Add libiconv variable definition.
3252 2004-03-09 Hans-Peter Nilsson <hp@axis.com>
3254 * configure: Regenerate for config/accross.m4 correction.
3256 2004-03-08 Joel Sherrill <joel@oarcorp.com>
3259 * config/rs6000/t-rtems: Add missing file on branch.
3261 2004-03-08 Roger Sayle <roger@eyesopen.com>
3264 * c-typeck.c (c_mark_addressable): A register variable should
3265 be considered global if its not automatic, i.e. TREE_PUBLIC,
3266 TREE_STATIC or DECL_EXTERNAL.
3267 * function.c (put_var_into_stack): Call abort when placing a
3268 hard register into the stack, if x_parm_reg_stack_loc is NULL.
3270 2004-03-08 Ulrich Weigand <uweigand@de.ibm.com>
3272 * config/s390/s390.md ("*extendqidi2_short_displ"): Add CC clobber.
3273 ("*extendqisi2_short_displ"): Likewise.
3275 2004-03-08 Kazu Hirata <kazu@cs.umass.edu>
3277 * config/pdp11/pdp11.c (comparison_operator_index): Remove.
3278 (comp_operator): Likewise.
3279 * config/pdp11/pdp11-protos.h: Remove corresponding
3282 2004-03-08 Eric Botcazou <ebotcazou@act-europe.fr>
3284 * expr.c (highest_pow2_factor_for_type): Rename into
3285 highest_pow2_factor_for_target. Use DECL_ALIGN instead of
3286 TYPE_ALIGN when the target is a COMPONENT_REF.
3287 (expand_assignment): Ajust call to highest_pow2_factor_for_type.
3289 2004-03-08 Alan Modra <amodra@bigpond.net.au>
3291 * config/rs6000/rs6000.c: Formatting fix.
3292 (legitimate_offset_address_p): Correct offset range check.
3294 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3295 -msoft-float by -mcpu. Consolidate similar code for MASK_MULTIPLE
3298 2004-03-07 Aldy Hernandez <aldyh@redhat.com>
3300 * config/rs6000/rs6000.md (ashrdi3): Do not call ashrdi3_no_power
3302 ("ashrdi3_no_power"): Disable for little endian.
3305 2004-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * fold-const.c (tree_expr_nonnegative_p): Reformat checks for
3310 2004-03-08 Hans-Peter Nilsson <hp@axis.com>
3313 * configure.ac (Target-specific assembler checks) <cris-*-*>: New
3314 case, checking for -no-mul-bug-abort option.
3315 * configure, config.in: Regenerate.
3316 * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround
3317 and -mno-mul-bug-workaround.
3318 * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart")
3319 ("mulsidi3", "umulsidi3"): Prefix output template with "%!".
3320 ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"):
3321 Ditto. Make attribute "slottable" dependent on TARGET_MUL_BUG.
3322 * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make
3323 sure mulu.d is not last on cache-line.
3324 * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround
3325 into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION.
3326 (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros.
3327 (TARGET_SWITCHES): New options -mmul-bug-workaround and
3328 -mno-mul-bug-workaround.
3329 (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG.
3330 (PRINT_OPERAND_PUNCT_VALID_P): Include '!'.
3331 * config/cris/cris.c (cris_operand_extend_operator): Clarify
3332 relation to MULT in head comment.
3333 (cris_op_str): Abort for MULT.
3334 (cris_print_operand) <case '!'>: New case.
3336 2004-03-08 Alan Modra <amodra@bigpond.net.au>
3339 * dwarf2out.c (enum dw_val_class): Rename dw_val_class_float to
3340 dw_val_class_vec. Replace use throughout file.
3341 (dw_float_const): Delete.
3342 (dw_vec_const): New.
3343 (dw_val_struct_union): Rename val_float to val_vec. Replace use
3345 (add_AT_vec): Rename from add_AT_float. Add elt_size param.
3346 (same_dw_val_p): Adjust vec comparison. Use memcmp.
3347 (size_of_die): Adjust dw_val_class_vec sizing.
3348 (output_die): Output dw_val_class_vec.
3349 (insert_int, extract_int, insert_float): New functions.
3350 (add_const_value_attribute): Use insert_float for CONST_DOUBLE.
3351 Handle CONST_VECTOR.
3352 (add_location_or_const_value_attribute): Handle CONST_VECTOR.
3354 2004-03-07 Aldy Hernandez <aldyh@redhat.com>
3356 * config/rs6000/rs6000.c (rs6000_parse_abi_options): SPE and
3357 AltiVec abi cannot co-exist.
3359 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Same.
3361 2004-03-07 Jan Hubicka <jh@suse.cz>
3363 * except.c (emit_to_new_bb_before): Break fallthru edges.
3365 2004-03-07 Stephane Carrez <stcarrez@nerim.fr>
3367 * config/m68hc11/m68hc11.md ("*lshrsi3_const"): Disable for 68HC12.
3368 ("*lshrsi3"): Also accept an immediate for 68HC12.
3369 ("*ashrsi3_const"): Likewise.
3370 ("*ashrsi3"): Likewise.
3371 ("*ashlsi3_const"): Likewise.
3372 ("*ashlsi3"): Likewise.
3373 ("cmphi_1_hc12"): Compare two hard register by pushing them and
3374 comparing with a pop; don't use a split for that.
3375 ("cmphi split"): Disable compare split for 68HC12.
3377 * config/m68hc11/m68hc11.c (m68hc11_notice_update_cc): Invalidate
3378 the status operands if they have side effects.
3380 2004-03-07 Kazu Hirata <kazu@cs.umass.edu>
3382 * defaults.h (LEGITIMIZE_ADDRESS): Provide a default
3384 * config/arc/arc.h, config/fr30/fr30.h, config/frv/frv.h,
3385 config/h8300/h8300.h, config/ia64/ia64.h,
3386 config/mcore/mcore.h, config/mmix/mmix.h,
3387 config/ns32k/ns32k.h, config/pdp11/pdp11.h,
3388 config/stormy16/stormy16.h, config/v850/v850.h,
3389 config/vax/vax.h (LEGITIMIZE_ADDRESS): Remove.
3390 * doc/tm.texi (LEGITIMIZE_ADDRESS): Mention the default
3393 2004-03-07 Roger Sayle <roger@eyesopen.com>
3395 * fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
3396 <XOR_EXPR>: Fold x ^ x as zero.
3397 <AND_EXPR>: Fold x & x as x.
3399 2004-03-07 Roger Sayle <roger@eyesopen.com>
3401 * fold-const.c (fold) <EQ_EXPR>: Rewrite optimization to transform
3402 "foo++ == const" into "++foo == const+incr".
3404 2004-03-07 Richard Sandiford <rsandifo@redhat.com>
3406 * config/mips/mips.c (mips_in_small_data_p): Return false if
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