| blob | 2d5eed2dd1d4b2596c03c166270fde9a9c207bea |
1 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
3 PR middle-end/24998
4 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
5 unsigned conversions from SImode to TFmode.
7 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
9 * expr.c (expand_expr_real_1): Fix error in last change.
11 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
13 * caller-save.c: (this_insn_sets): Move into:
14 (save_call_clobbered_regs).
15 (mark_set_regs): Get this_insn_sets from data.
17 (save_call_clobbered_regs): Take sets of the return value by
18 sibcalls into account.
20 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
21 PR target/21623:
23 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
24 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
25 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
26 (memory_move_secondary_cost, init_reg_autoinc): Remove
27 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
28 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
29 secondary_reload_class call.
30 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
31 callers.
32 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
33 (push_secondary_reload): Use secondary_reload target hook.
34 (secondary_reload_class, scratch_reload_class): New functions.
35 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
36 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
37 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
38 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
39 (secondary_reload_class, scratch_reload_class): Declare.
40 * reload1.c: Include target.h.
41 (reload_adjust_reg_for_temp): New function.
42 (reload_adjust_reg_for_icode): Likewise.
43 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
44 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
45 call.
46 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
47 for inheritance. Support case when both secondary & tertiary reloads
48 are for intermediate registers.
49 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
50 with secondary_reload_class call. Support case when both secondary
51 & tertiary reloads are for intermediate registers.
52 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
53 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
54 * target.h (secondary_reload_info): New struct / typedef.
55 (struct gcc_target): New member secondary_reload.
56 * targhooks.c Include reload.h, optabs.h and recog.h.
57 (default_secondary_reload): New function.
58 * targhooks.h (default_secondary_reload): Declare.
59 * doc/tm.texi: Document secondary_reload target hook. Update
60 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
61 * doc/md.texi: Likewise.
63 * sh-protos.h (sh_secondary_reload): Declare.
64 * sh.c (TARGET_SECONDARY_RELOAD): Override.
65 (sh_secondary_reload): New function.
66 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
67 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
68 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
69 (HAVE_SECONDARY_RELOADS): Define.
70 * sh.md (reload_indf): Rename to:
71 (reload_indf__frn).
72 (reload_outdf): Rename to:
73 (reload_outdf__RnFRm).
74 (reload_insf): Rename to:
75 (reload_insf__frn).
76 (reload_insi): Rename to:
77 (reload_insi__i_fpul).
79 2005-11-24 Uros Bizjak <uros@kss-loka.si>
81 * configure.ac: Require at least texinfo 4.4.
82 * configure: Regenerate.
84 * doc/install.texi (Tools/packages necessary for building GCC):
85 Update required version of texinfo to at least 4.4.
86 (Installing GCC: Building): Update required version of texinfo
87 to at least 4.4.
88 (Installing GCC: Final installation): Update required version
89 of texi2dvi to at least 4.4.
90 (Host/target specific installation notes for GCC): Update required
91 version of texinfo to at least 4.4.
93 2005-11-24 Richard Guenther <rguenther@suse.de>
94 Dirk Mueller <dmueller@suse.de>
96 PR c++/14024
97 * c-common.h (strict_aliasing_warning): Declare.
98 * c-common.c (strict_aliasing_warning): New function,
99 split out from ...
100 * c-typeck.c (build_c_cast): ... here.
102 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
104 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
105 to order operands.
106 (swap_commutative_operands_with_target): New.
108 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
110 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
111 also when doing PRE, rather than only for global CPROP.
113 2005-11-24 Ben Elliston <bje@au.ibm.com>
115 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
116 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
117 formatting.
118 (expand_twoval_unop): Likewise.
119 (widen_clz): Likewise.
120 (expand_parity): Likewise.
121 (expand_unop): Likewise.
122 (emit_cmp_and_jmp_insn_1): Likewise.
123 (prepare_float_lib_cmp): Likewise.
125 2005-11-24 Ben Elliston <bje@au.ibm.com>
127 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
128 Remove unused `class' variable.
130 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
132 PR c++/21667
133 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
134 C/C++ diagnostic function warn_array_subscript_with_type_char.
135 * c-common.h (warn_array_subscript_with_type_char): Declare.
136 * c-common.c (warn_array_subscript_with_type_char): Define.
138 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
140 PR c/21668
141 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
142 compiling at the intersection of C and C++.
144 2005-11-23 Mark Mitchell <mark@codesourcery.com>
146 * doc/invoke.texi: For man pages, include gcc-vers.texi.
147 List @file in the option summary. Include the libiberty
148 documentation for @file.
149 * gcc.c (main): Call expandargv.
150 * Makefile.in (gcc-vers.texi): Define srcdir.
152 2005-11-23 Diego Novillo <dnovillo@redhat.com>
154 * passes.c (init_optimization_passes): Document
155 sequencing of passes.
157 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
159 * config/m68k/predicates.md (pcrel_address, extend_operator,
160 post_inc_operand, pre_dec_operand): Remove redundant
161 conditionals.
162 (const_uint32_operand, const_sint32_operand): Use gcc_assert
163 instead of abort.
164 (valid_dbcc_comparison_p): Rewrite in the lisp style.
166 2005-11-23 Ben Elliston <bje@au.ibm.com>
168 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
170 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
172 Preparatory work for PR target/21623:
173 * alpha.c (secondary_reload_class): Rename to:
174 (alpha_secondary_reload_class).
175 * alpha.h, alpha-protos.h: Likewise.
176 * mn10300.c (secondary_reload_class): Rename to:
177 (mn10300_secondary_reload_class).
178 * mn10300.h, mn10300-protos.h: Likewise.
179 * pa.c (secondary_reload_class): Rename to:
180 (pa_secondary_reload_class).
181 * pa.h, pa-protos.h: Likewise.
182 * rs6000.c (secondary_reload_class): Rename to:
183 rs6000_secondary_reload_class.
184 * rs6000.h, rs6000-protos.h: Likewise.
186 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
188 PR middle-end/22561
189 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
191 2005-11-22 Ian Lance Taylor <ian@airs.com>
193 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
194 a mode_class.
195 (prepare_cmp_insn): Likewise.
197 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
199 PR target/23435
200 * m68k.md (zero_extendsidi2): Force operands[1] to a register
201 if both operands[0] and operands[1] are memory.
203 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
205 PR middle-end/23606
206 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
207 COMPARISON_CLASS_P and an integral types create create a new
208 expression with the new type and fold that.
210 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
212 PR target/24988
213 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
214 to SUBTARGET_OS_CPP_BUILTINS.
216 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
218 * arm.c (emit_set_insn): New function.
219 (arm_split_constant): Call it.
220 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
221 (arm_legitimize_address): Likewise. Use plus_constant.
222 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
223 (thumb_expand_prologue): Likewise.
224 (arm_gen_load_multiple): Use VOIDmode in SET.
225 (arm_gen_store_multiple): Likewise.
226 (vfp_emit_fstmx): Likewise. Use plus_constant.
227 (emit_multi_reg_push): Likewise.
228 (emit_sfm): Use plus_constant.
230 2005-11-23 Alan Modra <amodra@bigpond.net.au>
232 PR target/24954
233 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
234 typo last change.
236 2005-11-22 Alan Modra <amodra@bigpond.net.au>
238 PR middle-end/24950
239 * expmed.c (store_bit_field): Don't attempt to insv a field
240 larger than the reg.
242 2005-11-22 Alan Modra <amodra@bigpond.net.au>
244 PR target/24954
245 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
246 explicit sign extension, not a (char) cast.
248 2005-11-22 Ben Elliston <bje@au.ibm.com>
250 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
251 GET_MODE_CLASS (x) == MODE_FLOAT.
252 * config/i386/i386.c: Likewise.
253 * config/rs6000/xcoff.h: Likewise.
254 * config/rs6000/linux64.h: Likewise.
255 * config/rs6000/rs6000.c: Likewise.
256 * config/rs6000/rs6000.h: Likewise.
257 * config/rs6000/predicates.md: Likewise.
258 * config/rs6000/sysv4.h: Likewise.
260 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
263 flag_pic is set.
265 * config/alpha/freebsd.h, config/alpha/linux.h,
266 config/arm/linux-elf.h, config/bfin/bfin.h,
267 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
268 config/i386/beos-elf.h, config/i386/gnu.h,
269 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
270 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
271 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
272 config/rs6000/linux64.h, config/rs6000/sysv4.h,
273 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
274 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
275 config/sparc/linux.h, config/sparc/linux64.h,
276 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
278 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
279 are both defined when either flag -fpic or -fPIC are used.
281 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
283 * config/fp-bit.c (clzusi): New function.
284 (si_to_float, usi_to_float): Use it to compute proper shift.
285 (usi_to_float): Preserve guard bits when shifting right.
286 * libgcc-std.ver (GCC_4.2.0): New version.
287 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
288 __floatundisf): New functions.
289 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
290 __floatundisf): Declare.
291 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
292 _floatundixf, and _floatunditf.
293 * optabs.c (expand_float): If target does not define a pattern for
294 signed or unsigned conversion, use an unsigned libcall instead of
295 a signed one.
296 (init_optabs): Initialize ufloat_optab.
298 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
300 * config/rs6000/rs6000.opt (mmulhw): New option.
301 * doc/invoke.texi (-mmulhw): Document.
302 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
303 for 405 and 440.
304 * config/rs6000/rs6000.md: Add half-word multiply and
305 multiply-accumulate instructions for 405 and 440.
307 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
309 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
310 which matches behavior of gcc 4.0 and older for RTEMS targets. The
311 default now includes a linker group which makes the RTEMS one nest.
313 2005-11-22 Ben Elliston <bje@au.ibm.com>
315 * cse.c (fold_rtx): Typo fix.
316 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
318 2005-11-21 Richard Henderson <rth@redhat.com>
320 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
321 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
323 * c-tree.h (lookup_name): Move declaration ...
324 * c-common.h (lookup_name): ... here.
325 * config/darwin-c.c: Include c-common.h.
326 * config/t-darwin: Update dependencies.
328 2005-11-22 Ben Elliston <bje@au.ibm.com>
330 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
331 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
332 * genopinit.c (gen_insn): Likewise.
333 * reload.c (find_equiv_reg): Likewise.
334 * loop.c (load_mems): Likewise.
335 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
336 * cse.c (find_comparison_args, fold_rtx): Likewise.
337 * dwarf2out.c (add_const_value_attribute): Likewise.
338 * expr.c (convert_move): Likewise.
339 * recog.c (general_operand, register_operand): Likewise.
340 * reg-stack.c (replace_reg): Likewise.
341 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
342 * c-common.c (handle_vector_size_attribute): Likewise.
343 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
344 (simplify_binary_operation_1): Likewise.
345 (simplify_const_binary_operation): Likewise.
346 (simplify_relational_operation): Likewise.
347 (simplify_const_relational_operation): Likewise.
348 (simplify_immed_subreg): Likewise.
349 * emit-rtl.c (gen_lowpart_common): Likewise.
350 * expmed.c (expand_mult): Likewise.
351 * stor-layout.c (layout_type): Likewise.
353 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
355 PR target/24951
356 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
357 cst2 only for SPE vectors.
359 2005-11-21 David Edelsohn <edelsohn@gnu.org>
361 PR target/24953
362 * config/rs6000/predicates.md (vrsave_operation): Check
363 UNSPEC_VOLATILE value.
365 2005-11-21 Jan Hubicka <jh@suse.cz>
367 PR tree-optimization/24653
368 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
370 2005-11-21 Uros Bizjak <uros@kss-loka.si>
372 * config/i386/predicates.md (ax_reg_operand): New predicate.
373 (memory_displacement_only_operand): New predicate.
374 * config/i386/i386.md ("modrm" attribute): Return 0 if one
375 operand is AX register and the other operand is memory operand
376 with displacement only.
378 2005-11-21 Uros Bizjak <uros@kss-loka.si>
380 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
381 if we don't care about NaNs or Infinities.
383 2005-11-20 Ian Lance Taylor <ian@airs.com>
385 PR rtl-optimization/24883
386 * combine.c (combinable_i3pat): When checking whether the
387 destination of i3 is used in i3, consider paradoxical subregs.
389 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
391 PR middle-end/20583
392 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
394 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
396 * combine.c (try_combine): Do not run subst on i1src and i2src in
397 the case of generating a PARALLEL for a comparison.
399 2005-11-20 Richard Henderson <rth@redhat.com>
401 PR 24931
402 * tree-sra.c (struct sra_elt): Add all_no_warning.
403 (struct sra_walk_fns) <use>: Add use_all argument.
404 (sra_walk_expr): Pass it.
405 (sra_walk_modify_expr): Likewise.
406 (scalarize_ldst): Likewise.
407 (scan_use): Update for new argument.
408 (mark_no_warning): New.
409 (scalarize_use): Use it.
411 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
413 * expr.c (expand_expr_real): Use usmul_optab for widening
414 signed * unsigned multiplies.
415 * genopinit.c (optabs): Add usmul_widen_optab.
416 * optabs.c (init_optabs): Likewise.
417 * optabs.h (enum optab_index): Add OTI_usmul_widen.
418 (usmul_widen_optab): Define.
419 * config/bfin/bfin.md (usmulhisi3): New pattern.
421 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
423 2005-11-20 Graham Stott <btinternet.com>
425 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
427 2005-11-20 Andreas Schwab <schwab@suse.de>
429 PR target/24757
430 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
431 insn.
433 2005-11-19 Richard Henderson <rth@redhat.com>
435 PR tree-opt/24665
436 * tree-gimple.c (is_gimple_id): Export.
437 * tree-gimple.h (is_gimple_id): Declare.
438 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
439 (get_default_value): Use it.
440 (maybe_fold_stmt_indirect): Likewise.
442 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
444 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
445 than VR1 or vice-versa.
447 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
449 PR middle-end/24912
450 PR middle-end/24750
451 * reload.c (find_reloads_address_1): Mention dependency on
452 gen_reload.
453 * reload1.c (gen_reload): For IN with an unary operation, try
454 moving inner expression to OUT if trivial SET is not valid.
455 Confirm that the result is valid. Move common code block into...
456 (emit_insn_if_valid_for_reload): New function.
458 2005-11-19 Richard Guenther <rguenther@suse.de>
460 * fold-const.c (fold_indirect_ref_1): Make sure we fold
461 ARRAY_REFs of constant strings.
463 2005-11-19 Jakub Jelinek <jakub@redhat.com>
465 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
466 fatal format string.
468 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
470 * combine.c (make_compound_operation): Swap operands of
471 commutative operation if necessary before returning.
473 2005-11-19 Richard Guenther <rguenther@suse.de>
475 PR middle-end/23294
476 * fold-const.c (fold_plusminus_mult_expr): New function.
477 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
478 cases, remove now unnecessary code.
480 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
482 * gensupport.c (old_preds): Rename to std_preds, add special field.
483 (struct old_pred_table): Rename to struct std_pred_table, add special
484 field.
485 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
486 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
487 (init_predicate_table): Adjust, and set along the way whether a
488 predicate is special.
490 2005-11-18 Mark Mitchell <mark@codesourcery.com>
492 * BASE-VER: Change to 4.2.0.
494 2005-11-18 James E Wilson <wilson@specifix.com>
496 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
497 returning it.
499 2005-11-18 Mike Stump <mrs@apple.com>
501 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
502 * config/darwin-c.c (darwin_pragma_unused): Likewise.
503 * c-decl.c (lookup_name_two) Remove.
504 * c-tree.h (lookup_name_two): Remove.
505 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
506 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
507 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
508 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
510 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
512 PR target/24914
513 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
514 when not generating code to use that co-processor.
516 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
518 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
519 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
520 these functions are now in tree-phinodes.c.
522 2005-11-18 Jie Zhang <jie.zhang@analog.com>
524 * config/bfin/bfin.md (trap): New pattern.
526 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
528 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
529 on types.
531 * expr.c (expand_expr_real): Don't call record_block_change unless
532 ib_boundaries_block is non-null
534 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
536 * fold-const.c (build_range_check): Use proper type for subtraction
537 when merging lower bound.
539 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
541 PR rtl-optimization/24497
542 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
543 the copied insn.
545 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
547 * tree-scalar-evolution.c (expression_expensive_p): New function.
548 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
550 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
552 * config/bfin/crtlibid.s: New file.
554 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
556 PR target/24348
557 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
558 when not using sjlj exceptions.
559 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
560 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
561 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
562 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
563 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
564 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
565 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
566 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
567 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
568 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
569 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
570 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
571 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
572 defines.
573 * config/pa/hpux-unwind.h: New file.
575 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
577 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
578 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
579 * varasm.c (do_assemble_alias): Adjust call.
580 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
581 is defined.
582 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
584 2005-11-17 James E Wilson <wilson@specifix.com>
586 * tree.def (FUNCTION_DECL): Correct typo in comment.
588 2005-11-17 Richard Henderson <rth@redhat.com>
590 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
591 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
592 and DW_CFA_def_cfa_sf.
593 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
594 (dbx_reg_number): Don't assert particular registers here.
595 (based_loc_descr): ... do it here instead. Fold in ...
596 (eliminate_reg_to_offset): ... this function.
597 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
598 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
599 * unwind-dw2.c (execute_cfa_program): Apply data align factor
600 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
601 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
602 (instantiate_virtual_regs): Likewise.
603 * var-tracking.c (adjust_stack_reference): Likewise.
604 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
606 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
608 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
609 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
610 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
611 crtlibid.o.
612 ($(T)crtlibid.o): New rule.
614 2005-11-16 Richard Guenther <rguenther@suse.de>
616 PR middle-end/24851
617 * fold-const.c (extract_array_ref): Return byte offset
618 in all cases.
619 (fold_binary): Fold &x[a] CMP &x[b] to
620 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
621 behavior.
623 2005-11-16 Richard Henderson <rth@redhat.com>
625 PR middle-end/23497
626 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
627 parts of an SSA_NAME.
629 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
631 PR target/24861
632 * arm.md (split for movsf with immediate): Restrict split to insns
633 that set a general register.
635 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
637 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
638 uw_update_context.
639 * unwind-dw2.c (uw_advance_context): Likewise.
640 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
641 _Unwind_SjLj_Unregister.
642 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
644 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
646 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
648 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
650 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
651 langhook to get a DImode integer type.
653 2005-11-16 Richard Henderson <rth@redhat.com>
654 J"orn Rennecke <joern.rennecke@st.com>
655 Ulrich Weigand <uweigand@de.ibm.com>
657 PR rtl-opt/24160
658 PR target/24621
659 * reload1.c (reg_equiv_invariant): New.
660 (reload): Allocate, initialize, and free it.
661 (calculate_needs_all_insns): Check it when skipping equivalence
662 setting insns.
663 (alter_reg): Likewise.
664 (eliminate_regs_1): Rename from eliminate_regs. Add new
665 may_use_invariant argument; only use reg_equiv_invariant when true.
666 (eliminate_regs): New.
667 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
668 a context for which may_use_invariant may be true.
670 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
672 * fold-const.c (const_binop): Don't constant fold the operation
673 if the result has overflowed and flag_trapping_math.
674 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
676 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
678 * config/arm/unwind-arm.c (abort): Add prototype here.
679 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
680 (struct phase1_vrs): Add prev_sp.
681 (unwind_phase2_forced): Save the original core registers instead of
682 modifying entry_vrs. Take a new flag argument for resuming unwinding
683 and set action flags accordingly. Always set _US_END_OF_STACK when
684 get_eit_entry fails. Unwind before calling the stop function.
685 (_Unwind_GetCFA): New function.
686 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
687 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
688 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
689 just call unwind_phase2_forced.
690 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
691 * config/arm/unwind-arm.h (abort): Remove prototype.
692 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
693 prototypes.
694 (_Unwind_GetCFA): New prototype.
695 * config/arm/pr-support.c (abort): Add prototype here.
696 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
697 forced unwinding.
698 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
699 not schedule the prologue with non-call exceptions and EABI.
701 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
703 * config/arm/unwind-arm.h: Reorder interface function declarations.
704 (_URC_END_OF_STACK): New enumeration value.
705 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
706 (struct _Unwind_Control_Block): Document reserved field use.
707 (_Unwind_Stop_Fn): New typedef.
708 (_Unwind_ForcedUnwind): Declare.
709 (_Unwind_Resume_or_Rethrow): Declare.
710 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
711 argument. Adjust.
712 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
713 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
714 (UCB_FORCED_STOP_ARG): New.
715 (search_EIT_table): Update boundary condition checks.
716 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
717 (unwind_phase2): Replace for with do..while.
718 (unwind_phase2_forced): New.
719 (__gnu_Unwind_RaiseException): Replace for with do..while.
720 (__gnu_Unwind_ForcedUnwind): New.
721 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
722 Use appropriate phase2 unwinder.
723 (__gnu_Unwind_Resume_or_Rethrow): New.
724 (__gnu_unwind_pr_common): Cope with forced unwinding.
726 2005-11-16 David Edelsohn <edelsohn@gnu.org>
728 PR target/24772
729 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
731 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
732 roundsf2): Remove "s" from mnemonic.
734 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
736 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
737 __PIC__ is defined.
738 * config/bfin/crtn.s: Change epilogues to match.
739 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
740 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
741 __PIC__ and __pic__.
743 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
745 PR 24357
746 * doc/invoke.texi: Distinguish between free and fixed form instead of
747 Fortran and Fortran 90/95. Remove ratfor from the list of supported
748 languages.
749 * gcc.c (default_compilers): Remove double entries, add entries for
750 suffixes '.F90' and '.F95'.
752 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
754 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
755 in the stack probing loop.
757 2005-11-15 David Edelsohn <edelsohn@gnu.org>
759 * configure.ac: Use .machine power5 not power5x.
760 * configure: Regenerate.
762 2005-11-15 Mike Stump <mrs@apple.com>
764 * c-decl.c (lookup_name_two): Add.
765 * c-tree.h (lookup_name_two): Likewise.
766 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
767 * config/darwin-c.c (darwin_pragma_unused): Likewise.
769 2005-11-16 Alan Modra <amodra@bigpond.net.au>
771 PR rtl-optimization/23392
772 * regrename.c (enum scan_actions) Add mark_access.
773 (scan_actions_name): Ditto.
774 (scan_rtx_reg): Handle mark_access.
775 (scan_rtx_address): Do nothing for mark_access.
776 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
777 and regs in REG_INC notes before closing chains for dead regs.
778 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
779 opening chains for new writes.
781 2005-11-15 David Edelsohn <edelsohn@gnu.org>
783 * c.opt (ffixed-line-length-none): New.
785 2005-11-15 Steve Ellcey <sje@cup.hp.com>
787 * mklibgcc.in: Change contents of eh_dummy.c.
789 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
791 * loop.c (scan_loop): Do not insert temporaries for hard registers.
793 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
795 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
796 of making syscalls.
797 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
799 2005-11-15 Jan Hubicka <jh@suse.cz>
801 * invoke.texi (large-unit-insns): Document.
802 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
803 * params.def (large-unit-insns): New param.
805 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
807 PR target/24869
808 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
809 special register for operand 3. Reindent constraints to align
810 them vertically.
812 2005-11-14 David Edelsohn <edelsohn@gnu.org>
814 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
815 -mpopcntb, -mfprnd. Add -mcpu=power5+.
816 * configure.ac: Add test for FP rounding instructions.
817 * configure: Regenerate.
818 * config.in: Regenerate.
819 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
820 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
821 features enabled.
822 * config/rs6000/rs6000.opt (mfprnd): New.
823 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
824 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
825 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
826 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
827 (TARGET_FPRND): New.
828 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
829 UNSPEC_FRIZ): New.
830 (btrunc<mode>2): New.
831 (ceil<mode>2): New.
832 (floor<mode>2): New.
833 (round<mode>2): New.
835 2005-11-14 Geoffrey Keating <geoffk@apple.com>
837 * gcc.c (version_compare_spec_function): Use fatal() rather than
838 abort().
840 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
841 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
842 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
843 as empty.
844 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
845 link in crt2.o.
847 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
848 on -mmacosx-version-min setting.
850 2005-11-14 Diego Novillo <dnovillo@redhat.com>
852 PR 24840
853 * tree-vrp.c (infer_value_range): Return false if STMT is a
854 block terminator and its basic block has no successors.
856 2005-11-14 Mike Stump <mrs@apple.com>
858 * config/i386/i386.c (override_options): -masm=intel isn't
859 supported on darwin.
860 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
862 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
864 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
865 vfork after including auto-host.h.
867 2005-11-15 Alan Modra <amodra@bigpond.net.au>
869 PR rtl-optimization/22002
870 * combine.c (distribute_notes): Detect cases where a reg dies
871 two or more times in a bb, including on the insn we are combining,
872 and place the death note on the correct range.
874 2005-11-14 Dale Johannesen <dalej@apple.com>
876 * expmed.c (store_bit_field): Add offset unconditionally for
877 memory targets.
878 (extract_bit_field): Don't force extzv or extv operand into
879 a register if field is too big.
881 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
883 * config/arm/arm.c (pic_labelno): New.
884 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
885 LABEL_REF. Pass only the labelno to PIC insns.
886 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
887 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
888 * arm.md (UNSPEC_PIC_LABEL): New constant.
889 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
890 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
891 Use the correct label prefix.
893 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
895 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
896 REQ_EQUIV note.
898 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
900 * loop-invariant.c: Include tm_p.h.
901 * Makefile.in: Updated.
903 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
905 * pa.c (store_reg): Revise generation of frame notes in large frames.
906 (set_reg_plus_d): Likewise.
908 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
910 PR tree-optimization/24709
911 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
912 loop check.
914 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
916 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
917 and duplicate declaration of pthread_self.
919 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
920 Ian Lance Taylor <ian@airs.com>
922 PR middle-end/24003
923 * calls.c (expand_call): If TARGET is a MEM and some part of the
924 argument area has been saved, force TARGET to a register.
926 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
928 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
929 checking.
931 2005-11-13 Jason Merrill <jason@redhat.com>
933 PR c++/22489
934 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
935 lazily declared methods.
936 (force_decl_die): Stop if forcing out the context already make a
937 DIE for the decl.
938 (force_type_die): Likewise.
940 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
942 PR middle-end/24820
943 * builtins.c (integer_valued_real_p): Add break in
944 REAL_CST having TREE_OVERFLOW set.
946 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
948 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
949 addressing modes during calculation of costs.
951 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
953 * function.c (assign_stack_local_1): Restrict sanity check
954 on frame size overflow to 32-bit and above platforms.
956 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
958 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
959 * config/cris/cris.c: Include reload.h.
960 (cris_initial_elimination_offset): New function.
961 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
962 Prototype.
964 2005-11-12 Richard Guenther <rguenther@suse.de>
966 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
968 2005-11-12 Jan Hubicka <jh@suse.cz>
970 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
971 to compare against 0 when possible.
973 2005-11-12 Jie Zhang <jie.zhang@analog.com>
975 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
976 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
977 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
978 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
979 in the new order.
981 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
983 * recog.c (constrain_operands) <case 'g'>: For a match, require
984 that a non-register matches general_operand when strict >= 0.
986 2005-11-11 Steven Bosscher <stevenb@suse.de>
988 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
989 previous checkin.
991 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
993 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
994 (memory_address_same): New.
995 (dse_optimize_stmt): Call memory_address_same.
997 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
999 PR middle-end/24750
1000 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1001 ZERO_EXTEND>: New cases.
1003 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1005 * longlong.h (__clz_tab): Always provide.
1007 2005-11-11 Steven Bosscher <stevenb@suse.de>
1009 PR 24265
1010 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1011 can be assigned to.
1012 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1013 before check_maybe_invariant.
1014 (move_invariant_reg): Use gen_move_insn instead of replacing
1015 SET_DEST with the temporary for the invariant.
1016 (move_loop_invariants): If checking is enabled, do internal
1017 consistency checks after completing the pass.
1019 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1021 PR 24644
1022 * common.opt (Wvolatile-register-var): New.
1023 * varasm.c (make_decl_rtl): Only emit warning when option
1024 specified. Clarify warning message.
1025 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1027 * doc/md.texi (copysign): Document standard named pattern.
1029 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1031 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1032 bytes when align is 2.
1033 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1034 by the first instruction of the loop.
1036 2005-11-11 Jason Merrill <jason@redhat.com>
1038 PR c++/24686
1039 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1040 the cleanup list.
1042 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1044 PR rtl-optimization/22509
1045 * local-alloc.c (memref_used_between_p): Check whether a function call
1046 could not reference the memref.
1048 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1050 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1051 algorithm so as to choose the best, not the worst, alternative.
1052 Reset accumulated register class before processing next alternative.
1054 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1056 PR target/24445
1057 * calls.c (expand_call): Copy a return value to a plain register
1058 if needed.
1060 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1062 PR target/24778
1063 * varasm.c (assemble_name): Recompute name only for transparent
1064 aliases.
1066 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1068 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1070 2005-11-04 Jeff Law <law@redhat.com>
1072 PR middle-end/23181
1073 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1074 perform reassociation if the parent statement will not die as
1075 a result of the optimization.
1077 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1079 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1080 delete_old_heap_vars.
1081 * tree-dfa.c (referenced_var_remove): Remove function.
1082 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1083 (delete_tree_ssa): Remove call to delete_old_heapvars.
1084 Add call to delete_alias_heapvars.
1085 * tree-flow.h (referenced_var_remove): Remove prototype
1086 (init_alias_heapvars): New prototype.
1087 (delete_alias_heapvars): Ditto.
1088 * Makefile.in (tree-ssa-structalias.o): Add
1089 gt-tree-ssa-structalias.o
1090 (GTFILES): Add tree-ssa-structalias.h and
1091 tree-ssa-structalias.c.
1092 (s-gtype): Add gt-tree-ssa-structalias.h.
1093 * tree-ssa-structalias.c (heapvars): Remove.
1094 (oldheapvars): Remove.
1095 (heapvar_for_stmt): New variable.
1096 (heapvar_lookup): New function.
1097 (heapvar_insert): Ditto.
1098 (get_constraint_for): See if we have an old heapvar
1099 to reuse.
1100 (init_alias_heapvars): New function.
1101 (delete_alias_heapvars): Ditto.
1102 Add include of gt-tree-ssa-structalias.h.
1104 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1106 PR middle-end/22127
1107 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1109 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1111 * tree.c (int_fits_type_p): Only look at the base type
1112 if it has the same precision as the original type.
1114 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1116 PR other/4372
1117 * varasm.c (assemble_alias): Use %q+D in the error
1118 message instead of %J and %qD.
1120 2005-11-10 Richard Guenther <rguenther@suse.de>
1122 * gcse.c (free_ldst_entry): Only free hashtable if
1123 it exists.
1125 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1127 * function.c (assign_stack_local_1): Issue an error message if
1128 the frame size overflows in the signed target arithmetics.
1130 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1132 * tree.c (build_qualified_type): Chain the new type to the original
1133 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1134 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1135 (build_pointer_type_for_mode): Only return unqualified types.
1136 (build_reference_type_for_mode): Likewise.
1138 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1140 * Makefile.in (gnucompare): Do comparison of all files using one of
1141 the chosen methods and only afterwards decide if just warning should
1142 be issued or comparison failure raised.
1144 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1146 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1147 (noce_try_abs): Negate if the comparison is reversed.
1148 Look only one instruction backwards for a REG_EQUAL note.
1150 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1152 PR other/4372
1153 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1154 gthr-tpf.h: Define __gthrw. For all identifiers that might
1155 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1156 and prefix all uses with __ghtrw.
1158 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1160 PR other/4372
1161 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1162 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1163 * c-common.c (handle_weakref_attribute): New.
1164 (c_common_attribute_table): Add weakref.
1165 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1166 in the assembler.
1167 * configure, config.in: Rebuilt.
1168 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1169 * doc/extend.texi: Document weakref attribute.
1170 * varasm.c (ultimate_transparent_alias_target): New
1171 (assemble_name): Use it.
1172 (weak_finish_1): Split out of...
1173 (weak_finish): ... and deal with weakrefs in...
1174 (weakref_targets): ... new list.
1175 (globalize_decl): Clean up weakref_targets.
1176 (do_assemble_alias): Handle weakrefs.
1177 (finish_aliases_1): Do not reject weakrefs to external symbols.
1178 (assemble_alias): Handle weakrefs.
1180 2005-11-09 Richard Guenther <rguenther@suse.de>
1182 PR tree-optimization/24716
1183 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1184 t_bool to track results from follow_ssa_edge.
1186 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1188 * final.c (force_source_line): New global variable.
1189 (final_scan_insn): Set it to true instead of clearing last_filename.
1190 (notice_source_line): Return true if force_source_line is true,
1191 unless source info is absent.
1193 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1195 PR c/24644
1196 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1197 a linkage name for a variable if it a register variable.
1198 * c-decl.c (grokdeclarator): Global register variables
1199 should be set as PUBLIC.
1201 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1203 PR 24624
1204 * config/s390/s390.c (struct s390_frame_layout): New fields
1205 first_save_gpr_slot and last_save_gpr_slot.
1206 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1207 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1208 first_save_gpr and last_save_gpr with the _slot variants.
1209 (s390_register_info): Calculate first_save_gpr_slot and
1210 last_save_gpr_slot using regs_ever_live.
1212 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1214 PR 24623
1215 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1216 for a function containing a landing pad.
1218 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1220 PR 24034
1221 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1222 is live afterwards.
1224 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1226 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1227 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1229 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1231 Add ms2 support
1232 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1233 constants.
1234 (call,load,store): New insn types.
1235 (mem_access, branch_access): Adjust reservation conditions.
1236 (define_delay): Adjust condition.
1237 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1238 type.
1239 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1240 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1241 insn type.
1242 (call_internal, call_value_internal, return_internal,
1243 return_interrupt_internal, eh_return_internal, indirect_jump,
1244 tablejump): Set call insn type.
1245 (blockage, ei, di): Use appropriate unspec const.
1246 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1247 (ms1_get_attr_type): Adjust to give load & store types.
1248 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1249 backwards past a barrier.
1250 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1251 branch scheduling.
1252 (struct branch_info, struct label_info): New.
1253 (ms1_labels): New.
1254 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1255 (ms1_machine_reorg): New.
1256 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1257 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1258 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1259 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1260 (TARGET_MS2): New.
1262 2005-11-09 Per Bothner <per@bothner.com>
1263 Uros Bizjak <uros@kss-loka.si>
1265 PR c/24101
1266 * toplev.c (process_options): Initialize debug_hooks early
1267 in case lang_hooks.post_options ends up calling a debug_hook.
1269 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1271 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1272 DBX_REGISTER_NUMBER being contiguous.
1274 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1275 Diego Novillo <dnovillo@redhat.com>
1277 PR 23046
1278 * tree-vrp.c (register_edge_assert_for): Do not register
1279 always-false predicates.
1281 2005-11-08 Devang Patel <dpatel@apple.com>
1283 PR tree-optimization/23115
1284 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1285 relation.
1287 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1289 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1290 -mcpu=440.
1292 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1294 Fix PR tree-optimization/23382
1296 * tree-ssa-alias.c (compute_may_aliases): Call
1297 delete_old_heap_vars.
1298 * tree-dfa.c (referenced_var_remove): New function.
1299 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1300 * tree-flow.h (referenced_var_remove): Add prototype.
1301 (delete_old_heap_vars): Ditto.
1302 * tree-ssa-structalias.c (heapvars): New variable.
1303 (oldheapvars): Ditto.
1304 (get_constraint_for): Put heap vars on heapvars list.
1305 (delete_old_heap_vars): New function.
1307 2005-11-08 Jason Merrill <jason@redhat.com>
1309 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1311 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1313 PR target/19340
1314 * reg-stack.c (reg_to_stack): Update register liveness also
1315 for flag_sched2_use_traces.
1317 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1319 PR target/23704
1320 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1321 override prior explicit -mno-powerpc-gfxopt.
1323 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1325 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1326 if the bitsize is zero.
1327 * doc/md.texi (Standard Pattern Names): Document it.
1329 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1330 (TARGET_PASS_BY_REFERENCE): Likewise.
1332 2005-11-07 Ian Lance Taylor <ian@airs.com>
1334 PR rtl-optimization/24683
1335 * config/i386/i386.c (legitimize_pic_address): If constant operand
1336 to PLUS is too large, put it in a register.
1338 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1340 * configure.ac: Enable checking assembler dwarf2 support for bfin
1341 target.
1342 * configure: Regenerate.
1344 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1346 PR target/24230
1348 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1349 gen_easy_vector_constant_add_self): Delete.
1350 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1351 New.
1352 (output_vec_const_move): Use gen_easy_altivec_constant.
1353 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1354 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1355 (easy_vector_constant_add_self): Rewritten.
1356 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1357 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1358 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1359 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1360 Macroize and adjust for the other changes.
1362 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1364 PR c/24599
1366 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1367 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1369 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1371 PR rtl-optimization/23567
1372 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1373 (noce_process_if_block): Don't do any optimizations except
1374 if (cond) x = x; if !set_b and write into orig_x may trap
1375 or fault. Remove the MEM_READONLY_P check.
1377 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1379 PR 24670
1380 * tree-vrp.c (fix_equivalence_set): New.
1381 (extract_range_from_assert): Call it.
1383 2005-11-05 Ian Lance Taylor <ian@airs.com>
1385 PR target/22432
1386 * combine.c (apply_distributive_law): Don't distribute across a
1387 vector mode subreg.
1389 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1391 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1392 config/ms1/ms1.h, config/rs6000/predicates.md,
1393 config/s390/s390.c, params.def, postreload-gcse.c,
1394 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1395 tree-vrp.c, tree.c: Fix comment typos.
1396 * doc/invoke.texi: Fix typos.
1398 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1400 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1401 for testing whether the data_dependence_relation contains distance
1402 vectors. Iterate over all distance vectors of the ddr.
1403 * lambda.h: Define a vec of lambda_vector pointers.
1404 * tree-data-ref.c (dump_data_dependence_relation,
1405 dump_data_dependence_direction): Iterate over all distance and
1406 direction vectors of the ddr.
1407 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1408 DDR_DIST_VECTS.
1409 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1410 of distance/direction vectors instead of a single one.
1411 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1412 lambda_vectors with a vec of lambda_vectors.
1413 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1414 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1415 DDR_NUM_DIST_VECTS): New.
1416 * tree-loop-linear.c (gather_interchange_stats): Test for the
1417 existence of distance vectors only after having checked that there
1418 is a dependence. Iterate over all distance vectors of the ddr.
1419 (linear_transform_loops): Use dump_data_dependence_relation.
1420 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1421 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1422 distance vectors of the ddr.
1424 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1426 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1427 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1428 IS_INTHANDLER; all callers changed.
1429 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1430 account.
1431 (do_link, do_unlink): New argument ALL; all callers changed.
1432 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1433 If function isn't leaf, save and restore all registers.
1434 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1435 exception handler.
1437 2005-11-05 Jan Hubicka <jh@suse.cz>
1439 PR rtl-optimization/23490
1440 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1441 max-flow-memory-location): Document.
1442 * flow.c: Include params.h
1443 (MAX_MEM_SET_LIST_LEN): Kill.
1444 (add_to_mem_set_list): Use new param.
1445 * cse.c (cse_basic_block): Replace 1000 by new param.
1446 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1447 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1448 * predict.c (predict_loops): Use new param.
1449 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1451 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1452 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1453 Do not hold memory returned by cgraph_node_name across other call.
1455 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1457 PR target/23424
1458 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1459 Disable.
1461 2005-11-04 Jeff Law <law@redhat.com>
1463 PR/21883
1464 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1465 * tree-ssa-dom.c: Include params.h.
1466 (thread_across_edge): If there are too many statements in the
1467 target block, then do not thread through it.
1468 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1469 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1471 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1473 PR 24627
1474 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1475 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1477 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1479 PR/18595
1480 * tree-scalar-evolution.c (instantiate_parameters_1,
1481 instantiate_parameters, resolve_mixers): Compute the size of an
1482 expression to be instantiated and give up the instantiation if the
1483 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1485 2005-11-04 Richard Guenther <rguenther@suse.de>
1487 * tree-flow.h (ref_contains_indirect_ref): Rename to
1488 array_ref_contains_indirect_ref.
1489 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1490 (array_ref_contains_indirect_ref): Make comment match the code
1491 and vice-versa.
1492 (ref_contains_array_ref): Likewise.
1493 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1494 ref_contains_indirect_ref.
1495 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1496 Rename calls to ref_contains_indirect_ref.
1498 2005-11-04 Paul Brook <paul@codesourcery.com>
1500 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
1501 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
1502 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1503 * config/arm/arm.md: Use match_operand in peephole input templates
1504 and match_dup in peephole output templates.
1506 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1508 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
1509 __aeabi_uidiv.
1511 2005-11-04 Mark Mitchell <mark@codesourcery.com>
1512 Daniel Jacobowitz <dan@codesourcery.com>
1514 * longlong.h (add_ssaaaa): Clobber condition code register
1515 in ARM version.
1516 (sub_ddmmss): Likewise.
1517 (umul_ppmm): Likewise.
1519 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1520 Paul Brook <paul@codesourcery.com>
1521 Phil Blundell <pb@reciva.com>
1523 * configure.ac: Add test for ARM TLS support.
1524 * configure: Regenerated.
1525 * config/arm/arm-protos.h (legitimize_tls_address)
1526 (arm_tls_referenced_p, tls_mentioned_p)
1527 (arm_output_addr_const_extra): New prototypes.
1528 (thumb_legitimize_pic_address): Delete.
1529 * config/arm/arm.c: Include "gt-arm.h".
1530 (enum tls_reloc): New.
1531 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
1532 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
1533 (arm_call_tls_get_addr, legitimize_tls_address)
1534 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
1535 (arm_init_tls_builtins, arm_emit_tls_decoration)
1536 (arm_output_addr_const_extra): New functions.
1537 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
1538 (TARGET_HAVE_TLS): Define.
1539 (target_thread_pointer): New.
1540 (arm_override_options): Handle -mtp=.
1541 (legitimize_pic_address): Ignore UNSPECs.
1542 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
1543 relative symbols.
1544 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
1545 (tls_get_addr_libfunc): New variable.
1546 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
1547 (arm_init_builtins): Call arm_init_tls_builtins.
1548 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
1549 (arm_encode_section_info): Call default_encode_section_info.
1550 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
1551 (enum arm_tp_type): New.
1552 (target_thread_pointer): Add declaration.
1553 (LEGITIMATE_CONSTANT_P): Handle TLS.
1554 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
1555 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
1556 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
1557 * config/arm/arm.md: Add UNSPEC_TLS.
1558 (movsi): Handle TLS.
1559 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
1560 non-PIC.
1561 (tls_load_dot_plus_eight): New insn and a peephole to create it.
1562 (load_tp_hard, load_tp_soft): New insns.
1563 * arm.opt: Add -mtp=.
1564 * doc/invoke.texi (ARM Options): Document -mtp.
1566 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
1568 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
1569 * config/arm/libunwind.S: Include "lib1funcs.asm".
1570 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
1571 (LIB2ADDEH): Add libunwind.S.
1572 (LIB2ADDEHDEP): Add lib1funcs.asm.
1573 * mklibgcc.in: Handle asm files in libgcc_eh.a.
1575 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1577 PR fortran/18452
1578 * gcc/c.opt: Add a -lang-fortran option.
1579 * gcc/c-opts.c: Add a lang_fortran flag.
1580 (c_common_init_options): Handling the -lang-fortran option.
1581 (c_common_handle_option): Add a case for Fortran options in
1582 preprocessing. Remove cases for -ffixed-form and
1583 -ffixed-line-length. Add a case for -lang-fortran.
1585 2005-11-03 David Edelsohn <edelsohn@gnu.org>
1587 * config/rs6000/rs6000.c: Include params.h
1588 (optimization_options): Set max-grow-copy-bb-insns default to 16.
1589 (bdesc_2arg): Delete vpkuhss and vpkuwss.
1590 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
1591 (UNSPEC_VPKUWSS): Delete.
1592 (altivec_vpkuhss): Delete.
1593 (altivec_vpkuwss): Delete.
1594 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
1595 final condition.
1596 (neg_eq0<mode>): Remove final condition.
1597 (neg_eq<mode>): Remove condition and split-condition.
1599 2005-11-04 Alan Modra <amodra@bigpond.net.au>
1601 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
1602 Use associated print macros.
1604 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1606 PR c++/17964
1607 * diagnostic.c (diagnostic_set_info_translated): New function.
1608 (diagnostic_set_info): Use it. Add comment.
1609 * diagnostic.h (diagnostic_set_info_translated): Declare.
1611 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
1613 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
1614 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
1615 reference only if 'public' is true.
1616 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
1617 emit the .hidden directive only if the indirect reference is public.
1618 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
1619 Pass it to dw2_force_const_mem.
1620 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
1621 * dwarf2out.c (output_cfi): Adjust calls to above function.
1622 (output_call_frame_info): Likewise.
1623 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
1624 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
1626 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
1628 PR tree-optimization/24483
1629 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
1630 field to elts if possible.
1632 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1634 PR middle-end/23155
1635 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
1636 CONSTRUCTOR.
1638 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
1640 Fix PR tree-optimization/24351
1642 * tree-ssa-structalias.c (struct variable_info): Add
1643 collapsed_into.
1644 (get_varinfo_fc): New function to follow collapsing.
1645 (new_var_info): Set collapsed_to to NULL.
1646 (dump_constraint): Follow collapsing.
1647 (build_constraint_graph): Handle collapsing.
1648 (do_simple_structure_copy): Return false if something bad
1649 happened.
1650 (collapse_rest_of_var): New function.
1651 (do_structure_copy): Collapse if do_simple_structure_copy returns
1652 false.
1654 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
1656 PR middle-end/24589
1657 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
1658 expressions to a statement list instead of gimplifying them.
1660 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1662 PR rtl-optimization/23585
1663 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
1664 that can't trap plus a constant integer, if the mode has zero size.
1666 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
1668 PR target/24620
1669 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
1670 as operand 2.
1671 ("*insv<mode>_reg_extimm"): Likewise.
1673 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
1675 PR c/24329
1676 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
1677 c_common_type_for_mode returns an unnamed type.
1679 2005-11-02 Richard Henderson <rth@redhat.com>
1681 PR target/9350
1682 PR target/24374
1683 * dwarf2out.c (dwarf2out_reg_save_reg): New.
1684 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
1685 * function.c (assign_parms): Use calls.internal_arg_pointer.
1686 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
1687 code.
1688 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
1689 (TARGET_CALLS): Add it.
1690 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
1691 * targhooks.c (default_internal_arg_pointer): New.
1692 * targhooks.h (default_internal_arg_pointer): Declare.
1693 * tree.h (dwarf2out_reg_save_reg): Declare.
1694 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
1695 * config/i386/i386.c (dbx_register_map): Add return column.
1696 (dbx64_register_map, svr4_dbx_register_map): Likewise.
1697 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
1698 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
1699 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
1700 (ix86_save_reg): Save force_align_arg_pointer.
1701 (ix86_emit_save_regs): Make regno unsigned.
1702 (ix86_emit_save_regs_using_mov): Likewise.
1703 (ix86_expand_prologue): Handle force_align_arg_pointer.
1704 (ix86_expand_epilogue): Likewise.
1705 * config/i386/i386.h: (dbx_register_map): Update.
1706 (dbx64_register_map, svr4_dbx_register_map): Update.
1707 (struct machine_function): Add force_align_arg_pointer.
1708 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
1709 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
1710 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
1712 2005-11-02 Jan Hubicka <jh@suse.cz>
1714 PR target/23303
1715 * i386.md: Add peep2 for simplyfing array accesses.
1717 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1719 PR target/24615
1720 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
1721 * config/s390/s390.c (s390_decompose_shift_count): New function.
1722 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
1723 (print_shift_count_operand): Use s390_decompose_shift_count.
1724 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
1725 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
1727 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
1729 PR target/24600
1730 * loop.c (loop_givs_rescan): Use force_operand to expand
1731 complex GIVs.
1733 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
1735 PR 22429
1736 * fold-const.c (build_range_check): Use unsigned when signed
1737 overflow is undefined also. If etype is subtype, make sure that
1738 the subtraction is in the supertype.
1740 2005-11-02 Richard Henderson <rth@redhat.com>
1742 PR target/24178
1743 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
1744 by MEM_ALIGN.
1746 2005-11-01 Richard Henderson <rth@redhat.com>
1748 PR 21518
1749 * loop.c (scan_loop): Do not propagate computations to a hard
1750 register destination with SMALL_REGISTER_CLASSES.
1752 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
1754 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
1755 costs for MULT inside PLUS or MINUS.
1757 2005-11-01 Bob Wilson <bob.wilson@acm.org>
1759 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
1760 (TRAMPOLINE_SIZE): Round up to 60.
1761 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
1763 2005-10-31 James E. Wilson <wilson@specifix.com>
1765 PR debug/24444
1766 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
1767 ifdef. Put ifdefs around call in gen_subprogram_die.
1768 (compute_frame_pointer_to_cfa_displacement): Likewise.
1769 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
1770 not defined.
1772 PR rtl-optimization/17356
1773 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
1774 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
1776 2005-10-31 Jan Hubicka <jh@suse.cz>
1778 PR middle-end/24093
1779 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1781 PR target/20928
1782 * i386.c (legitimize_pic_address): Deal with large immediates.
1784 PR profile/20815
1785 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1786 from symbol names while computing checkup.
1788 PR profile/24487
1789 * predict.c (predict_loops): Do not estimate more than
1790 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1791 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1793 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1795 PR tree-optimization/19097
1796 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1798 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1800 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1802 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1804 PR middle-end/23492
1805 * tree-inline.c (setup_one_parameter): If the init_stmt
1806 is NULL, don't insert the statement.
1808 2005-10-30 Jan Hubicka <jh@suse.cz>
1810 PR tree-optimization/24172
1811 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1813 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1815 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1816 constants for hosts with long != 32 bits.
1818 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1820 PR middle-end/24093
1821 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1823 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1825 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1826 (TARGET_MS1_16_002): New.
1827 (TARGET_MS1_16_003): New.
1829 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1830 ("*decrement_and_branch_until_zero_no_clobber"): New.
1831 Add corresponding splitter for decrement_and_branch_until_zero
1832 instruction.
1833 Key all decrement_and_branch_until_zero patterns off of
1834 TARGET_MS1_16_003.
1836 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1838 PR middle-end/24362
1839 * tree-complex.c (extract_component): Treat RESULT_DECL
1840 like the rest of the decls.
1842 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1844 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1845 indirect call to _mcount if the function needs a static chain.
1847 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1848 Caroline Tice <ctice@apple.com>
1850 PR rtl-optimization/24460
1851 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1852 (dwarf2out_switch_text_section): Set it to true instead of
1853 incrementing separate_line_info_table_in_use.
1854 (output_loc_list): Additionally test have_switched_text_sections.
1855 (output_ranges): Likewise.
1856 (dwarf2out_finish): Likewise.
1857 * varasm.c (assemble_start_function): Do not call
1858 insert_section_boundary_note.
1859 (assemble_end_function): If flag_reorder_blocks_and_partition,
1860 switch to the function's section before emitting the .size directive.
1861 * bb-reorder.c (insert_section_boundary_note): Staticify.
1862 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1863 * output.h (insert_section_boundary_note): Delete.
1865 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1867 PR c/23103
1868 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1869 instead of pointer equality when comparing types.
1871 2005-10-24 James E. Wilson <wilson@specifix.com>
1873 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1874 add_dependence_list_and_free calls.
1876 2005-10-24 Steven Bosscher <stevenb@suse.de>
1878 * contrib.texi: Add the names of the LLNL folks who donated
1879 Cray pointer support for gfortran.
1881 2005-10-24 Steven Bosscher <stevenb@suse.de>
1883 PR tree-optimization/24225
1884 * profile.c (branch_prob): Look from end to start through a
1885 basic block when looking for a locus.
1887 2005-10-24 Richard Henderson <rth@redhat.com>
1889 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1890 parallel.
1891 (hppa_expand_prologue): Likewise.
1893 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1895 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1896 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1897 * pa.h (NO_PROFILE_COUNTERS): Define.
1898 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1899 (funcdef_nos): New vector to hold label numbers of deferred profile
1900 counters.
1901 (output_deferred_profile_counters): New function.
1902 (hppa_profile_hook): Push label number onto funcdef_nos.
1903 (pa_hpux_file_end): Call output_deferred_profile_counters if
1904 NO_DEFERRED_PROFILE_COUNTERS is false.
1906 * pa-protos.h (get_deferred_plabel): New prototype.
1907 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1908 Make global.
1909 (output_call): Adjust calls.
1911 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1913 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1914 peculiarity of GOT/TOC section usage.
1916 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1918 PR objc/24435
1919 * c-common.c (constant_string_class_name): Add documentation.
1921 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1923 PR target/23832
1924 * recog.c (peephole2_optimize): Increment peep2_current_count
1925 only when the slot is empty.
1927 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1929 PR ada/23957
1930 * except.c (output_function_exception_table): Call
1931 assemble_external_libcall if we need a personality function.
1933 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1935 PR rtl-optimization/24460
1936 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1937 set the basic block for barriers.
1939 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1941 * var-tracking.c (vt_initialize): Initialize post.
1943 2005-10-21 Devang Patel <dpatel@apple.com>
1945 PR/24220
1946 * c-common.c (vector_types_convertible_p): Check vector element type.
1948 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1950 * config/sh/sh.c (prepare_move_operands): Handle the address
1951 constant which is a tls symbolic address plus a constant.
1953 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1955 PR driver/24473
1956 * gcc.c (main): Use the correct counter for erroring out
1957 about mulitple files.
1959 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1961 PR target/24465
1962 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1963 use r2 for 64-bit tls .got access.
1965 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1967 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1968 TRUTH_OR_EXPR.
1970 2005-10-20 Steven Bosscher <stevenb@suse.de>
1972 PR tree-optimization/24307
1973 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1975 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1977 PR middle-end/24295
1978 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1979 alias targets.
1980 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1981 is ready, stop marking functions, but still mark variables.
1983 2005-10-20 Richard Guenther <rguenther@suse.de>
1985 PR c++/24439
1986 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1987 void type operands.
1989 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1991 PR rtl-optimization/23585
1992 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1993 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1994 (may_trap_p_1): New predicate extracted from...
1995 (may_trap_p): ... here. Invoke may_trap_p_1.
1996 (may_trap_or_fault_p): New predicate.
1997 * rtl.h (may_trap_or_fault_p): Declare it.
1998 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1999 instead of may_trap_p.
2000 (steal_delay_list_from_fallthrough): Likewise.
2001 (fill_simple_delay_slots): Likewise.
2002 (fill_slots_from_thread): Likewise.
2003 * function.c (pad_to_arg_alignment): Rework comment about
2004 SPARC_STACK_BOUNDARY_HACK.
2005 * config/sparc/sparc.h: Likewise.
2007 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2009 * config/s390/s390.c (s390_expand_insv): New.
2010 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2011 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2012 ("icm_hi"): Remove mode attribute.
2013 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2014 Adjust all uses.
2015 ("*extracthi", "*extractqi"): Remove.
2016 (extv<mode>", "*extzv<mode>"): New.
2017 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2018 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2020 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2022 * cfgexpand.c (discover_nonconstant_array_refs_r,
2023 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2024 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2025 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2026 discover_nonconstant_array_refs.
2028 2005-10-19 Steven Bosscher <stevenb@suse.de>
2030 PR c/23228
2031 * c-decl.c (pop_scope): Don't warn about an unused variable
2032 if it is marked with TREE_NO_WARNING.
2033 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2034 somenow mismatch and olddecl is to be replaced.
2036 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2038 PR middle-end/23199
2039 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2040 whether registers live on the edge can be saved/restored.
2042 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2044 * config/sh/sh.c (fixup_mova): Skip notes.
2046 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2048 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2049 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2050 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2051 (s390_initial_elimination_offset): Likewise.
2052 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2053 register on TARGET_ZARCH targets.
2054 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2055 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2056 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2057 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2059 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2061 * config/s390/s390.md: Comment describing output modifiers updated.
2062 * config/s390/s390.c (print_operand): Likewise.
2064 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2066 * config/s390/s390.c (override_options): Added check for -mstack-size
2067 64k limitation.
2068 * doc/invoke.texi: Mention that limit in the documenation.
2070 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2072 PR #19672
2073 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2075 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2077 Fix PR tree-optimization/24231
2079 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2080 (compute_avail): Ditto.
2082 2005-10-18 Richard Henderson <rth@redhat.com>
2084 PR target/24428
2085 * config/i386/i386.c (legitimate_constant_p): Check
2086 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2087 if LABEL_REF.
2088 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2089 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2090 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2091 directly.
2092 (print_operand_address): Likewise.
2093 * config/i386/predicates.md (x86_64_immediate_operand): Test
2094 SYMBOL_REF_TLS_MODEL properly inside CONST.
2095 (x86_64_zext_immediate_operand): Likewise.
2096 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2097 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2098 * config/i386/i386-protos.h: Remove predicates.md entries.
2100 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2102 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2103 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2105 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2106 Ian Lance Taylor <ian@airs.com>
2108 PR middle-end/23522
2109 * fold-const.c (fold_widened_comparison): Do not allow range based
2110 constant folding when right operand cannot be unwidened.
2112 2005-10-17 Richard Henderson <rth@redhat.com>
2114 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2115 with a memory clobber.
2117 2005-10-17 James E Wilson <wilson@specifix.com>
2119 PR rtl-optimization/17356
2120 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2121 checking for EDGE_EH.
2123 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2125 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2126 the slot on an even boundary for any type with 16-byte alignment.
2128 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2130 PR target/23424
2131 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2132 after register allocation.
2134 2005-10-17 DJ Delorie <dj@redhat.com>
2136 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2137 as frame related.
2139 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2141 PR c++/22551
2142 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2143 overflow flags.
2145 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2147 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2148 to 2 if it's already non-zero.
2149 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2150 is set and warn about it if flag_schedule_insns is 1.
2152 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2154 * config/crx/crx.md: Compare-and-branch instructions need to
2155 invalidate CC.
2157 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2159 PR target/24315
2160 * config/i386/i386.md (*pushdi2_rex64 splitter)
2161 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2162 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2163 flow2 pass only when (optimize > 0 && flag_peephole2).
2165 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2167 PR driver/22544
2168 * gcc.c (have_c): New static variable.
2169 (have_o): Likewise.
2170 (process_command): Remove declation of have_c.
2171 Set have_o to 1 when handling -o.
2172 (main): Add a fatel error if there are multiple
2173 files specified and -o and -c/-S is passed witout
2174 -combine or multiple languages.
2176 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2178 Fix PR tree-optimization/22444
2179 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2180 Assert that we don't hit something with subvars.
2181 (setup_pointers_and_addressables): Don't add things with subvars,
2182 because we'll already process the subvars for aliasing purposes.
2184 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2186 PR target/23424
2187 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2188 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2189 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2190 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2191 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2192 swapped, alternatives for the R constraint.
2194 PR middle-end/24341
2195 * builtins.c (get_builtin_sync_mode): Make unlimited
2196 mode_for_size request.
2198 2005-10-15 Richard Henderson <rth@redhat.com>
2200 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2201 (gimplify_expr): ... here.
2202 (gimplify_compound_lval): Use it in initial scan loop. Allow
2203 fb_lvalue in base expression.
2205 2005-10-15 Richard Henderson <rth@redhat.com>
2207 PR 23714
2208 * builtins.c (expand_builtin_trap): Export.
2209 * expr.h (expand_builtin_trap): Declare.
2210 * expr.c (expand_assignment): Emit a trap for integral offsets
2211 from registers that weren't reduced to bitpos.
2213 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2214 (mark_array_ref_addressable): Remove.
2215 * tree-flow.h (mark_array_ref_addressable): Remove.
2216 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2218 2005-10-15 James E Wilson <wilson@specifix.com>
2220 PR target/24232
2221 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2222 (add_dependence_list_and_free): Likewise.
2223 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2224 call.
2226 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2228 PR 23141
2229 PR 23142
2230 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2231 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2232 anti-range.
2233 (vrp_visit_phi_node): Only prevent infinite iterations when
2234 the previous result and the new result are both VR_RANGEs.
2236 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2238 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2239 function comment.
2241 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2243 PR c/23439
2244 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2245 to initialize loc.
2247 2005-10-14 Per Bothner <per@bothner.com>
2249 PR preprocessor/21250
2250 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2252 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2254 PR c++/22551
2255 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2256 overflow flags. Refactor some conditionals.
2258 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2260 PR tree-opt/21304
2261 * tree-dfa.c (add_referenced_var): Only look at decls which
2262 have TREE_CONSTANT or TREE_READONLY set instead of if
2263 !TREE_PUBLIC or !TREE_CONSTANT.
2265 2005-10-13 James E Wilson <wilson@specifix.com>
2267 * doc/invoke.texi: For -x, add f95-cpp-input.
2268 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2270 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2272 PR tree-optimization/24262
2273 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2274 in loop all the time.
2276 2005-10-12 Richard Henderson <rth@redhat.com>
2278 PR c/24255
2279 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2280 * function.c (assign_parm_find_data_types): Don't support it.
2281 * print-tree.c (print_node): Likewise.
2282 * c-common.c (handle_transparent_union_attribute): Likewise.
2283 Use build_duplicate_type.
2284 * tree-inline.c (remap_type_1): Split out of remap_type;
2285 properly remap aggregate fields.
2286 (build_duplicate_type): New.
2287 * doc/extend.texi (Variable Attributes): Remove documentation
2288 for transparent_union.
2290 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2292 PR target/24284
2293 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2294 (gen_stack_pointer_dec): Likewise.
2296 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2298 PR middle-end/21275
2299 PR middle-end/21766
2300 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2301 target hook.
2302 (struct cxx): Add adjust_class_at_definition target hook.
2303 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2304 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2305 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2306 hook_void_tree. Add to TARGET_CXX.
2307 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2308 dllimport_flag.
2309 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2310 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2311 instead of attribute. Check for dllexport override. Warn if
2312 inconsistent dll linkage. Don't lose old dllimport if decl has
2313 had address referenced. Tweak lookup of dllimport atribute.
2314 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2315 for target specific rules. Don't add dllimport attribute if
2316 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2317 dllimport attribute.
2318 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2319 * varasm.c (initializer_constant_valid_p): Replace
2320 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2322 PR target/21801
2323 PR target/23589
2324 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2325 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2326 (i[34567]86-*-mingw32*): Likewise.
2328 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2329 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2331 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2332 C++-specific code. Change return value to bool.
2333 (i386_pe_dllimport_p): Likewise.
2334 (associated_type): Simplify and make language-independent
2335 (i386_pe_encode_section_info): Replace override of ambiguous
2336 dllimport symbol refs with a gcc_assert.
2337 (i386_pe_valid_dllimport_attribute_p): Define.
2338 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2339 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2340 i386_pe_adjust_class_at_definition.
2341 * config/i386/winnt-stubs.c: New file. Define stub versions of
2342 lang-specific functions.
2343 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2344 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2345 i386_pe_adjust_class_at_definition.
2346 (i386_pe_valid_dllimport_attribute_p): Declare.
2347 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2348 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2349 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2351 PR target/19704
2352 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2353 dllimport attribute with test of DECL_DLLIMPORT_P.
2355 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2357 * combine.c (make_extraction): Correct offset computation.
2359 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2361 * config/cris/t-linux (LIMITS_H_TEST): Define.
2363 2005-10-12 Richard Henderson <rth@redhat.com>
2365 PR rtl-opt/23324
2366 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2368 2005-10-12 Richard Guenther <rguenther@suse.de>
2370 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2372 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2374 PR c++/19964
2375 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2376 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2377 type.
2379 2005-10-12 Richard Guenther <rguenther@suse.de>
2381 PR c++/23799
2382 * varasm.c (output_constant): Correct typo from previous
2383 patch by DJ.
2385 2005-10-11 Ian Lance Taylor <ian@airs.com>
2387 PR rtl-optimization/13931
2388 * combine.c: Revert patch of 2003-05-14, and:
2389 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2390 completely killed in the appropriate insn.
2391 (distribute_notes): Don't skip multiple hard register test for
2392 elim_i1 and elim_i2.
2394 2005-10-11 Richard Henderson <rth@redhat.com>
2396 PR c/24255
2397 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2398 to initialize a transparent union instead of a nop_expr.
2400 2005-10-11 Richard Henderson <rth@redhat.com>
2402 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2403 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2404 (tree_ssa_dce_loop): Call scev_reset.
2406 PR tree-opt/24300
2407 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2408 * tree-ssa-dce.c: Include cfgloop.h.
2409 (tree_ssa_dce_loop, pass_dce_loop): New.
2410 * tree-pass.h (pass_dce_loop): Declare it.
2411 * passes.c (init_optimization_passes): Use it.
2413 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2415 PR middle-end/24263
2416 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2417 Only apply the optimization for rounding builtins if the inner
2418 cast is also an extension.
2420 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2422 PR tree-opt/23946
2423 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2424 mark_new_vars_to_rename instead of update_stmt.
2426 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2428 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2430 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2432 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2433 for setting MMX register to 0 rather than mmx.
2435 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2437 PR target/12098
2438 * configure.ac: Move gas check from mips specific case to common case.
2439 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2440 * configure: Regenerate
2441 * doc/install.texi: Update.
2443 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2445 PR target/24284
2446 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2448 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2450 * gcc.c (do_spec_1): Accept numeric characters in file name
2451 suffixes.
2453 2005-10-10 Nick Clifton <nickc@redhat.com>
2455 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2456 describing the deleted arm_gen_rotated_half_load function.
2458 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2460 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2461 __fpscr_values.
2463 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2465 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2466 gnu_ld assignments.
2467 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2468 (EXTRA_MULTILIB_PARTS): Define.
2469 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2470 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2471 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2472 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2473 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2474 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2476 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2478 PR tree-optimization/24226
2479 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2480 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2481 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2482 Export.
2484 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2486 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2488 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2490 PR target/24136
2491 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2492 Rewrite for no need for the early clobber.
2494 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2496 Merge from csl-arm-branch:
2497 2005-09-07 Paul Brook <paul@codesourcery.com>
2498 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
2499 space to string.
2501 2005-04-30 Paul Brook <paul@codesourcery.com>
2502 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
2503 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
2505 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
2506 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
2507 (arm_override_options): Use TARGET_AAPCS_BASED.
2508 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
2509 (PTRDIFF_TYPE): Use int for AAPCS.
2510 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
2511 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
2512 (DEFAULT_SHORT_ENUMS): Delete.
2513 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
2515 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
2516 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
2517 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
2518 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
2520 2004-12-03 Mark Mitchell <mark@codesourcery.com>
2521 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
2523 2004-11-22 Mark Mitchell <mark@codesourcery.com>
2524 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
2526 2004-11-19 Mark Mitchell <mark@codesourcery.com>
2527 * config.gcc (arm*-*-linux-gnueabi): Add it.
2528 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
2529 redefining it.
2530 (TARGET_OS_CPP_BUILTINS): Likeiwse.
2531 * config/arm/linux-eabi.h: New file.
2532 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
2533 (LINUX_TARET_LINK_SPEC): Likewise.
2534 (LINK_SPEC): Use it.
2535 * config/arm/t-linux-eabi: New file.
2537 2005-10-08 Steven Bosscher <stevenb@suse.de>
2539 PR other/22202
2540 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
2541 spaces.
2542 (PARAM_SMS_DFA_HISTORY): Likewise.
2544 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2546 PR middle-end/23150
2547 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
2548 (load_register_parameters): Call it.
2549 (check_sibcall_argument_overlap_1): Likewise.
2550 (store_one_arg): Likewise.
2552 2005-10-07 James E. Wilson <wilson@specifix.com>
2554 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
2555 DImode not VECINT24 for operand 2.
2557 PR target/23644
2558 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
2559 -mtune-arch.
2561 PR target/24193
2562 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
2563 fr_spill): Use destination_operand for operand 0.
2565 2005-10-07 DJ Delorie <dj@redhat.com>
2567 * varasm.c (output_constant): Limit error to expanding
2568 conversions.
2570 2005-10-07 Richard Guenther <rguenther@suse.de>
2572 PR middle-end/24227
2573 * fold-const.c (fold_binary): Fix operand types during folding
2574 of X op (A, Y). Evaluation order of the side-effects of
2575 X and A are frontend-defined, so ensure we honour that even for
2576 tcc_comparison class operands; eased by removing duplicate code.
2578 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2580 * stor-layout.c (layout_type): Do not allow alignment of array
2581 elements to be greater than their size.
2583 2005-10-07 Steve Ellcey <sje@cup.hp.com>
2585 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
2586 host_xmake_file.
2587 (hppa*-*-linux*): Ditto.
2588 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
2589 * config/host-hpux.c: New.
2590 * config/x-hpux: New.
2591 * config/pa/x-hpux: Remove.
2592 * config/pa/x-linux: Remove.
2593 * config/pa/pa-host.c: Remove.
2595 2005-10-07 Jeff Law <law@redhat.com>
2597 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
2598 determine whether or not to try and thread outgoing edges.
2600 2005-10-07 David Edelsohn <edelsohn@gnu.org>
2602 * config/rs6000/rs6000.md (eqsi_power): New.
2603 (neg_eq0si): Add TARGET_POWER to final condition.
2604 (neg_eqsi): Same.
2606 2005-10-06 Richard Henderson <rth@redhat.com>
2608 * config/rs6000/rs6000.c: Revert last change.
2610 2005-10-06 Richard Henderson <rth@redhat.com>
2612 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
2613 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
2615 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
2617 PR middle-end/22216
2618 PR middle-end/23651
2619 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
2620 out return_label and naked_return_label.
2622 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2624 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
2625 change.
2627 2005-10-06 Richard Henderson <rth@redhat.com>
2629 PR tree-opt/22237
2630 * tree-inline.c (declare_return_variable): Handle modify_dest not
2631 being a DECL.
2633 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
2635 Fix PR tree-optimization/22488
2636 * tree-ssa-structalias.c (check_for_overlaps): New function.
2637 (create_variable_info_for): Use it.
2639 2005-10-06 Richard Henderson <rth@redhat.com>
2641 PR debug/24070
2642 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
2643 (dwarf2out_start_source_file): Print it.
2645 2005-10-06 Geoffrey Keating <geoffk@apple.com>
2647 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
2649 2005-10-06 Richard Henderson <rth@redhat.com>
2651 PR 23706
2652 * mode-switching.c (optimize_mode_switching): Clear transp bit
2653 for block with incomming abnormal edges.
2655 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
2656 (fpscr_set_from_mem): Use them.
2657 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
2658 (fpscr postinc splitters): Rewrite as peephole2+split.
2660 2005-10-06 David Edelsohn <edelsohn@gnu.org>
2662 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
2663 (eq<mode>_compare): Same.
2665 2005-10-06 Richard Guenther <rguenther@suse.de>
2667 PR tree-optimization/24238
2668 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
2670 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
2672 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
2673 here. Use AC_PATH_PROG for environment variables instead of
2674 test -x.
2675 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
2676 objdump also.
2677 * configure: Regenerated.
2679 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
2681 PR target/23783
2682 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
2683 then force it into a register.
2684 (call_value): Likewise.
2686 2005-10-06 Richard Henderson <rth@redhat.com>
2688 PR 24049
2689 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
2690 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
2691 under pass_vectorize.
2693 2005-10-05 Devang Patel <dpatel@apple.com>
2695 PR Debug/23205
2696 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
2697 handling constants. Check NAMESPACE_DECL context for constants.
2699 2005-10-05 Eric Christopher <echristo@apple.com>
2701 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
2703 2005-10-05 Richard Henderson <rth@redhat.com>
2705 PR 23714
2706 * tree-cfg.c (mark_array_ref_addressable_1): New.
2707 (mark_array_ref_addressable): New.
2708 * tree-flow.h (mark_array_ref_addressable): Declare.
2709 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
2711 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
2713 PR middle-end/20606
2714 PR middle-end/24069
2715 * reload.c (subst_reloads): When adding a REG_LABEL to a
2716 jump instruction, also update JUMP_LABEL.
2718 2005-10-05 David Edelsohn <edelsohn@gnu.org>
2720 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
2721 * bb-reorder.c (copy_bb_p): Use it.
2722 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
2724 2005-10-05 Richard Henderson <rth@redhat.com>
2726 PR target/23602
2727 * toplev.c (process_options): Warn about unsupported combinations
2728 of unwind tables and omit-frame-pointer.
2729 * config/i386/i386.c (override_options): Similarly. Enable
2730 accumulate-outgoing-args if not explicitly disabled.
2732 2005-10-05 Steve Ellcey <sje@cup.hp.com>
2734 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
2735 Handle big endian vs. small endian.
2736 (vec_initv2sf): Handle big endian vs. small endian.
2737 (*vec_extractv2sf_1): Ditto.
2739 2005-10-05 Dale Johannesen <dalej@apple.com>
2741 * convert.c (convert_to_real): Don't convert
2742 (float)floor(double d) to floorf((float)d).
2744 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
2746 * config/arm/arm.md (insv): Use gen_int_mode in more places.
2748 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
2750 PR tree-optimization/18587
2751 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
2752 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
2753 build_vuses): Change to VEC type.
2754 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
2755 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
2756 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
2757 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
2758 (get_name_decl): New. Return DECL_UID of base variable.
2759 (operand_build_cmp): New. qsort comparison routine.
2760 (operand_build_sort_virtual): New. Sort virtual build vector.
2761 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
2762 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
2763 (FINALIZE_BASE): Use get_name_decl.
2764 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
2765 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
2766 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
2767 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
2768 direct VEC_* manipulations.
2769 (build_ssa_operands): Call operand_build_sort_virtual.
2770 (copy_virtual_operand, create_ssa_artficial_load_stmt,
2771 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
2772 with direct VEC_* manipulations.
2773 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
2774 with direct VEC manipulations.
2776 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
2778 PR tree-optimization/21419
2779 PR tree-optimization/24146
2780 PR tree-optimization/24151
2782 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2783 (build_asm_expr): Call it if outputs are read-only.
2784 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2786 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2787 Paolo Bonzini <bonzini@gnu.org>
2789 PR target/23809
2791 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2792 enable the instructions and not just the built-ins.
2793 * doc/invoke.texi (x86 Options): Likewise.
2795 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2797 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2799 * doc/invoke.texi (Option Summary): Correct spelling
2800 of -mmacosx-version-min.
2802 2005-10-04 Devang Patel <dpatel@apple.com>
2804 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2805 real types.
2807 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2809 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2810 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2812 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2814 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2815 ("TE","tg"): New mode attributes.
2816 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2817 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2818 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2819 dword_mode and one for GPRmode.
2821 2005-10-04 Ian Lance Taylor <ian@airs.com>
2823 PR preprocessor/13726
2824 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2825 any comments passed in.
2827 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2829 * tree.c (annotate_with_file_line): Fix typo.
2831 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2833 PR ada/19382
2834 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2835 type used to access data in the inlined length == 1 case, use
2836 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2837 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2839 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2841 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2842 TARGET_SSE3 and only for TARGET_80387.
2843 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2844 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2845 Do not depend on TARGET_80387.
2847 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2849 * tree.c (last_annotated_node): Change type to location_t*.
2850 (annotate_with_file_line): Reflect the change of
2851 last_annotated_node type.
2853 2005-10-04 Richard Guenther <rguenther@suse.de>
2855 PR c/23576
2856 * c-decl.c (grokdeclarator): Don't write to fields
2857 of error_mark_node.
2859 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2861 PR middle-end/23125
2862 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2863 register variables.
2864 * varasm.c (make_decl_rtl): If a register variable does not
2865 have a set user assmbler name, error out.
2866 Decode the asmspec is now name+1 bypassing '*'.
2868 2005-10-04 Steven Bosscher <stevenb@suse.de>
2870 PR tree-optimization/23049
2871 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2872 of a COND_EXPR is folded before calling fold on the whole rhs of a
2873 conditional assignment.
2874 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2875 document that a COND_EXPR may appear there.
2877 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2879 PR 23445
2880 * tree-vrp.c (extract_range_from_assert): If the new numeric
2881 range created out of the assertion contradicts the existing
2882 numeric range of the ASSERT_EXPR variable, make the new range
2883 varying.
2885 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2887 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2888 from T_REGS to FP register class.
2890 2005-10-03 Richard Henderson <rth@redhat.com>
2892 PR 24135
2893 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2894 before creating a new one.
2896 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2898 * config/rs6000/t-aix43 (LDFLAGS): New.
2899 * config/rs6000/t-aix52 (LDFLAGS): New.
2901 2005-10-03 Ian Lance Taylor <ian@airs.com>
2903 * gimplify.c (find_single_pointer_decl_1): New static function.
2904 (find_single_pointer_decl): New static function.
2905 (internal_get_tmp_var): For a formal variable, set restrict base
2906 information if appropriate.
2907 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2908 return it.
2909 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2910 (DECL_GET_RESTRICT_BASE): Define.
2911 (SET_DECL_RESTRICT_BASE): Define.
2912 (decl_restrict_base_lookup): Declare.
2913 (decl_restrict_base_insert): Declare.
2914 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2915 * tree.c (restrict_base_for_decl): New static variable.
2916 (init_ttree): Initialize restrict_base_for_decl.
2917 (copy_node_stat): Copy restrict base information.
2918 (decl_restrict_base_lookup): New function.
2919 (decl_restrict_base_insert): New function.
2920 (print_restrict_base_statistics): New static function.
2921 (dump_tree_statistics): Call print_restrict_base_statistics.
2923 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2925 PR 24142
2926 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2927 case of anti-ranges.
2929 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2931 PR c/18851
2932 * c-typeck.c (tagged_tu_seen): Rename to ...
2933 (tagged_tu_seen_cache): this and add val field.
2934 (comptypes): Move functional to comptypes_internal
2935 and free tagged_tu_seen.
2936 (comptypes_internal): New function and call comptypes_internal
2937 instead of comptypes. Speed up by sibcalling
2938 tagged_types_tu_compatible_p.
2939 (alloc_tagged_tu_seen): New function
2940 (free_all_tagged_tu_seen_up_to): New function.
2941 (tagged_types_tu_compatible_p): Return the val of the seen two
2942 types.
2943 Add that the two types are the same to tagged_tu_seen_base
2944 if they are and call comptypes_internal instead of comptypes.
2945 <case UNION_TYPE>: Speed up common type where the fields are
2946 in the same order.
2947 (function_types_compatible_p): Call comptypes_internal instead of
2948 comptypes.
2949 (type_lists_compatible_p): Likewise.
2950 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2952 2005-10-02 Matthias Klose <doko@debian.org>
2954 * doc/invoke.texi: Fix typo and speling error.
2956 2005-10-01 Richard Henderson <rth@redhat.com>
2958 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2960 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2962 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2963 using --start-group and --end-group.
2965 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2967 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2968 FIXME note regarding quirky semantics.
2970 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2972 PR 24141
2973 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2974 non-null range as a last resort.
2976 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2977 Diego Novillo <dnovillo@redhat.com>
2979 PR 23604
2980 * tree-vrp.c (extract_range_from_assert): For !=
2981 assertions, only build an anti-range if LIMIT is a
2982 single-valued range.
2984 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2986 * arm.md (movqi): On thumb when optimizing, handle loading from
2987 memory by describing this as taking a subreg of a zero-extended load
2988 into an SImode register.
2989 (movhi): Likewise.
2991 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2993 * reload1.c (merge_assigned_reloads): Do not change any
2994 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2996 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2998 * Makefile.in (LIPO_FOR_TARGET): Define.
2999 (STRIP_FOR_TARGET): Define.
3001 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3002 before creating new ones. Do symlinks before creating the actual
3003 targets.
3005 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3006 to work out which multilibs are actually being built.
3008 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3010 * tree-vect-transform.c, config/ms1/ms1.md,
3011 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3012 Follow spelling conventions.
3013 * doc/invoke.texi, doc/md.texi: Fix typos.
3015 2005-09-30 Andrew Macleod <amacleod@redat.com>
3017 PR tree-optimization/21430
3018 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3019 use operands, and set stmt pointer if need be.
3020 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3021 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3022 present.
3024 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 PR middle-end/24053
3027 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3029 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3031 * optabs.c (expand_binop): Initialize first_pass_p.
3033 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3035 PR middle-end/24109
3036 * c-decl.c (c_write_global_declarations_1): If any
3037 wrapup_global_declaration_2 call returned true, restart the loop.
3039 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3041 Fix PR tree-optimization/24117
3042 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3043 before considering whether to use anyoffset.
3045 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3047 Revert this patch:
3049 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3051 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3052 to order operands.
3053 (swap_commutative_operands_with_target): New.
3055 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3057 PR c/21419
3058 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3059 read-only.
3061 2005-09-29 Steven Bosscher <stevenb@suse.de>
3063 PR tree-optimization/23911
3064 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3065 and IMAGPART_EXPR too.
3067 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3069 PR 17886
3070 * expmed.c (expand_shift): Move logic to reverse rotation
3071 direction when rotating by constants ...
3072 * optabs.c (expand_binop): ... here.
3073 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3074 (ix86_rotrdi3): New pattern.
3075 (rotldi3): Handle 32-bit mode.
3076 (ix86_rotldi3): New pattern.
3078 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3080 PR target/24102
3081 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3082 check for numbers that need no bit twiddle.
3084 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3086 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3087 multilib to be built.
3089 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3090 (stage1-start): Delete old libgcc and libunwind before moving
3091 anything into the stage directory.
3092 (stage2-start): Likewise.
3093 (stage3-start): Likewise.
3094 (stage4-start): Likewise.
3095 (stageprofile-start): Likewise.
3096 (stagefeedback-start): Likewise.
3097 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3098 header in tm_file and CPU-specific t-darwin in tmake_file.
3099 (i[34567]86-*-darwin*): Don't change tm_file.
3100 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3101 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3102 shared library stub for target OS version.
3103 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3104 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3105 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3106 (libgcc_s.%.dylib): New.
3107 (LIBGCC): Define.
3108 (install-darwin-libgcc-stubs): New.
3109 (INSTALL_LIBGCC): New append.
3110 * config/i386/darwin-libgcc.10.4.ver: New.
3111 * config/i386/darwin-libgcc.10.5.ver: New.
3112 * config/i386/t-darwin: New.
3113 * config/rs6000/darwin-libgcc.10.4.ver: New.
3114 * config/rs6000/darwin-libgcc.10.5.ver: New.
3115 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3116 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3118 2005-09-28 Paul Brook <paul@codesourcery.com>
3120 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3121 denormals.
3123 2005-09-28 Richard Guenther <rguenther@suse.de>
3125 PR tree-optimization/23853
3126 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3127 host_integerp to verify misalignment value.
3129 2005-09-28 Richard Henderson <rth@redhat.com>
3131 * builtins.c (get_builtin_sync_mode): New.
3132 (expand_builtin_sync_operation): Pass in mode argument.
3133 (expand_builtin_compare_and_swap): Likewise.
3134 (expand_builtin_lock_test_and_set): Likewise.
3135 (expand_builtin_lock_release): Likewise.
3136 (expand_builtin): Update to match.
3138 2005-09-28 Nick Clifton <nickc@redhat.com>
3140 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3141 formatting. Add check to PLUS case to ensure that the offset is
3142 within an acceptable range.
3144 * config/v850/v850.md (casesi): Disable the generation of the
3145 switch pattern as it is not being handled properly at the moment.
3147 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3148 for when the high words are identical.
3150 2005-09-27 Richard Henderson <rth@redhat.com>
3152 * pretty-print.c (pp_base_format): Fix typo for %>.
3154 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3155 Devang Patel <dpatel@apple.com>
3157 PR tree-optimization/23625
3158 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3159 LABEL_EXPR, assertion check.
3161 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3163 * optabs.c (no_conflict_move_test): Check if a result of a
3164 to-be-moved insn would be clobbered by an originally
3165 preceding insn.
3167 2005-09-27 Jeff Law <law@redhat.com>
3169 * passes.c (init_optimization_passes): Replace copy propagation
3170 passes immediately after DOM with phi-only copy propagation
3171 pases. Add phi-only copy propagation pass after first DOM pass.
3172 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3173 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3174 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3175 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3176 to init_copy_prop. Callers updated.
3177 (do_phi_only_copy_prop): New function.
3178 (pass_phi_only_copy_prop): New pass descriptor.
3180 2005-09-27 Nick Clifton <nickc@redhat.com>
3182 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3184 2005-09-26 Jason Merrill <jason@redhat.com>
3186 PR c++/13764
3187 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3189 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3191 2005-09-26 James E Wilson <wilson@specifix.com>
3193 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3194 copyright. Add gcc copyright plus libgcc exception.
3195 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3196 copyright.
3197 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3199 2005-09-26 Jeff Law <law@redhat.com>
3201 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3202 about when to iterate.
3204 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3206 PR target/23847
3207 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3208 for __complex__ double in -mcpu=G5 mode.
3210 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3212 PR tree-optimization/23942
3213 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3214 * tree-scalar-evolution.c: Include params.h.
3215 (t_bool): New enum.
3216 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3217 follow_ssa_edge_in_condition_phi_branch,
3218 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3219 Change return type to t_bool. Use a parameter to limit the size of
3220 trees that are walked before stopping
3221 (analyze_evolution_in_loop): Initialize the limit to 0.
3222 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3223 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3225 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3227 PR middle-end/23831
3228 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3229 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3231 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3233 * combine.c (make_extraction): Check for valid use of subreg.
3235 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3237 PR target/24055
3238 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3239 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3240 ("fist<mode>2_with_temp"): Use only register operands.
3242 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3244 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3245 CALL_INSN_FUNCTION_USAGE.
3247 2005-09-26 Richard Guenther <rguenther@suse.de>
3249 PR middle-end/15855
3250 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3251 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3252 (ldst_entry): Use the hashtable instead of list-walking.
3253 (find_rtx_in_ldst): Likewise.
3254 (free_ldst_entry): Free the hashtable.
3255 (compute_ld_motion_mems): Create the hashtable.
3256 (trim_ld_motion_mems): Remove entry from hashtable if
3257 removing it from list.
3258 (compute_store_table): Likewise^2.
3259 (store_motion): Free hashtable in case we did not see
3260 any stores.
3262 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3264 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3265 and arg1 if we are passing them to fold_build2.
3267 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3269 PR 23828
3270 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3271 a nested function.
3273 2005-09-25 Richard Henderson <rth@redhat.com>
3275 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3276 SYMBOL_REF_TLS_MODEL to be correct.
3278 2005-09-24 Richard Henderson <rth@redhat.com>
3280 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3281 end of function. Reindent.
3283 2005-09-24 Ian Lance Taylor <ian@airs.com>
3285 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3286 NEGATE_EXPR/BIT_NOT_EXPR case.
3288 2005-09-24 Richard Henderson <rth@redhat.com>
3290 * c-common.c (handle_mode_attribute): When not modifying in place,
3291 create subtypes for enumerations.
3292 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3293 * gimplify.c (create_tmp_from_val): Likewise.
3295 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3297 * config/i386/i386.md (*tls_global_dynamic_64,
3298 *tls_local_dynamic_base_64): Add missing mode to call.
3299 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3301 2005-09-24 Jan Hubicka <jh@suse.cz>
3303 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3304 (cgraph_clone_node): Likewise.
3305 * cgraph.h (cgraph_clone_edge): Update prototype.
3306 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3307 duplicated prototypes; add updating argument.
3308 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3309 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3310 updating profile.
3311 (cgraph_mark_inline_edge): Likewise.
3312 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3313 (cgraph_flatten_node): Likewise.
3314 (cgraph_decide_recursive_inlining): Likewise.
3315 (cgraph_decide_inlining_of_small_function): Likewise.
3316 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3318 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3319 Pete Steinmetz <steinmtz@us.ibm.com>
3321 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3322 (rldic.): Set type to "compare".
3323 (rldicr.): Same.
3324 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3325 mfjmpr for MFCTR/MFLR.
3326 (movdf_hardfloat64): Same.
3327 (movdf_softfloat64): Same. Correct order of store and move types.
3328 (movti_string): Set type to store_ux/load_ux.
3329 (load_multiple): Set type to load_ux.
3330 (store_multiple): Set type to store_ux.
3331 (movmemsi): Set type to store_ux.
3332 (output_cbranch direct_return): Set type to jmpreg.
3333 (stmw): Set type to store_ux.
3334 (lmw): Set type to load_ux.
3335 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3336 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3337 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3338 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3339 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3340 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3341 (rios1-fpstore): Increase latency to 3.
3342 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3343 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3345 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3346 Andrew Pinski <pinskia@physics.uc.edu>
3348 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3349 operand2 constraint to "b".
3350 (sync_<fetchop_name>di_internal): Same.
3351 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3352 to "b".
3353 (sync_old_<fetchop_name>di_internal): Same.
3354 (sync_new_<fetchop_name>si_internal): Same.
3355 (sync_new_<fetchop_name>di_internal): Same.
3357 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3359 PR middle-end/23991
3360 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3361 case, define as macros.
3363 PR rtl-optimization/23837
3364 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3365 clobber / clobber match between dest and p->first.
3367 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3368 (no_conflict_move_test): Update comments.
3370 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3372 * doc/install.texi: Update URL for Jacks.
3373 * doc/sourcebuild.texi: Likewise.
3375 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3377 PR target/24007
3378 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3379 registers when choosing register preferences.
3380 (movdf_hardfloat64): Same.
3382 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3384 * expmed.c (expand_shift): Don't use the target of the rotate as
3385 target for the first expanded shift insn.
3386 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3388 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3390 PR tree-optimization/22438
3391 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3392 preserved iv rhs rewriting specially.
3394 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3396 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3397 estimate_only is true.
3398 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3399 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3400 tree-ssa-structalias.c
3401 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3402 ref_contains_indirect_ref.
3403 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3405 2005-09-21 DJ Delorie <dj@redhat.com>
3407 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3408 MASK_PTR_A0D0.
3409 (mn10300_return_in_memory): Support variable size types also.
3410 (mn10300_pass_by_reference): Likewise.
3411 (mn10300_function_value): New.
3412 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3413 (FUNCTION_OUTGOING_VALUE): Likewise.
3414 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3415 * doc/invoke.texi: Document it.
3417 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3419 PR target/22585
3420 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3421 force integer op1 into register for XFmode compares.
3423 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3425 PR middle-end/23971
3426 * expmed.c (alg_code): Add alg_impossible.
3427 (alg_hash_entry): Add cost.
3428 (synth_mult): Record alg_impossible in the hash table if
3429 multiplication by a given integer is impossble within the
3430 limit. Speed up using alg_impossible.
3432 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3434 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3435 argument. Allow and set any offset if needs_anyoffset is passed
3436 in.
3437 (get_constraint_for): Add argument here too.
3438 Pass it down.
3439 (do_structure_copy): Pass NULL to get_constraint_for.
3440 (handle_ptr_arith): Ditto.
3441 (find_func_aliases): Ditto.
3443 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3445 PR rtl-optimization/23898
3446 * output.h (get_attr_min_length): Declare.
3447 * final.c (get_attr_length_1): New function, broken out of:
3448 (get_attr_length).
3449 (get_attr_min_length): New function.
3450 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3451 (duplicate_computed_gotos): Likewise.
3452 * genattr.c (insn_min_length): Generate declaration.
3453 * genattrtab.c (min_fn, min_attr_value): New functions.
3454 (make_length_attrs): Generate insn_min_length.
3456 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3458 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3460 2005-09-20 Richard Henderson <rth@redhat.com>
3462 PR tree-optimization/24059
3463 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3464 EXPAND_STACK_PARM.
3466 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3468 * c.opt (fextended-identifiers): New.
3469 * c-opts.c (c_common_handle_option): Handle
3470 -fextended-identifiers.
3471 * doc/cpp.texi: Update documentation of extended identifiers.
3472 * doc/cppopts.texi (-fextended-identifiers): Document.
3474 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3476 PR tree-optimization/23929
3477 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3478 if expr is NULL.
3480 PR tree-optimization/23818
3481 * tree-stdarg.c (execute_optimize_stdarg): Call
3482 calculate_dominance_info.
3484 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3486 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3487 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3488 (compute_overlap_steps_for_affine_1_2): Use
3489 get_number_of_iters_for_loop.
3490 (analyze_subscript_affine_affine): Check whether difference is
3491 zero first.
3492 Use get_number_of_iters_for_loop.
3493 Check whether overlap occurs outside of bounds.
3494 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3496 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3498 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
3499 base register if possible.
3501 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
3503 PR tree-optimization/18463
3504 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
3505 converting it directly is not possible.
3506 (chrec_convert_aggressive): New function.
3507 * tree-chrec.h (chrec_convert_aggressive): Declare.
3508 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
3509 Fold chrec conversions aggressively if asked to.
3510 (instantiate_parameters): Modified because of changes in
3511 instantiate_parameters_1.
3513 2005-09-19 Richard Henderson <rth@redhat.com>
3515 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
3516 (reduc_splus_v2df): New.
3518 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3520 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
3521 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
3523 2005-09-19 Richard Henderson <rth@redhat.com>
3525 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
3526 vcondu<SSEMODE12>.
3528 2005-09-19 Richard Henderson <rth@redhat.com>
3530 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
3531 (ia64_expand_dot_prod_v8qi): New.
3532 * config/ia64/ia64-protos.h: Update.
3533 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
3534 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
3535 sdot_prodv8qi, sdot_prodv4hi): New.
3536 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
3538 2005-09-19 Richard Henderson <rth@redhat.com>
3540 PR 23941
3541 * real.c (exact_real_truncate): Return false if the format cannot
3542 represent the number as a normal.
3544 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
3545 for a memory source.
3547 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
3549 * tree-ssa-operands.c (swap_tree_operands): Export.
3550 * tree.h (swap_tree_operands): Declare.
3551 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
3552 Call swap_tree_operands.
3554 2005-09-19 Richard Henderson <rth@redhat.com>
3556 * tree-flow.h (merge_alias_info): Declare.
3557 * tree-ssa-copy.c (merge_alias_info): Export.
3558 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
3559 (vect_create_data_ref_ptr): Use create_iv directly.
3560 (vectorizable_load): Use correct types for integer constants.
3561 (vect_generate_tmps_on_preheader): Likewise.
3562 (vect_gen_niters_for_prolog_loop): Likewise.
3564 2005-09-19 Steven Bosscher <stevenb@suse.de>
3566 PR rtl-optimization/23943
3567 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
3569 2005-09-18 Jan Hubicka <jh@suse.cz>
3571 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
3573 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
3575 * varasm.c (output_constant): Do not abort on conversions to union
3576 types between different sizes.
3578 2005-09-18 Richard Guenther <rguenther@suse.de>
3580 PR middle-end/23944
3581 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
3582 fallback.
3584 2005-09-18 Paul Brook <paul@codesourcery.com>
3586 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
3588 2005-09-17 Richard Henderson <rth@redhat.com>
3590 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
3591 * tree-ssa-loop.c (pass_vect_dce): Remove.
3592 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
3593 of pass_vectorize.
3595 2005-09-17 Richard Henderson <rth@redhat.com>
3597 * tree-pass.h (pass_vect_dce): Declare.
3598 * passes.c (init_optimization_passes): Add it.
3599 * tree-flow.h (tree_ssa_dce): Declare.
3600 * tree-ssa-dce.c (tree_ssa_dce): Export.
3601 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
3602 (gate_tree_vectorize): ... here.
3603 (pass_vect_dce): New.
3605 2005-09-17 Jan Hubicka <jh@suse.cz>
3607 * except.c (struct eh_status): Turn region_array into vec.
3608 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
3609 convert_from_eh_region_ranges, find_exception_handler_labels,
3610 current_function_has_exception_handlers, assign_filter_values,
3611 build_post_landing_pads, dw2_build_landing_pads,
3612 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
3613 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
3614 foreach_reachable_handler, can_throw_internal_1,
3615 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
3616 region_array.
3617 (duplicate_eh_region_1): Update region_array.
3618 (duplicate_eh_regions): Resize region_array and avoid recomputing.
3620 2005-09-17 David Edelsohn <edelsohn@gnu.org>
3622 PR middle-end/22067
3623 * expmed.c (expand_mult): Substitute simple register for op0 when
3624 computing max_cost.
3626 2005-09-17 Richard Henderson <rth@redhat.com>
3628 * expr.c (emit_move_via_integer): Add force argument, pass it on
3629 to emit_move_change_mode. Update callers.
3630 (emit_move_complex): Pass true to new force argument.
3631 * function.c (expand_function_end): Move expand_eh_return call
3632 earlier. Merge sub-word complex values into a pseudo before
3633 copying to the return hard register.
3635 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
3637 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
3638 between different sizes.
3640 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
3642 PR 23903
3644 * passes.c (init_optimization_passes): Register dump files for
3645 IPA passes first.
3647 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
3649 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
3650 * config/s390/s390.c (s390_overlap_p): New function.
3651 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
3652 peephole2, "*xc" peephole2): Added overlap check to the peephole2
3653 condition.
3655 2005-09-16 Richard Guenther <rguenther@suse.de>
3657 * ipa-pure-const.c (static_execute): Free auxiliar information.
3658 * ipa-type-escape.c (discover_unique_type): Free temporary key.
3659 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
3661 2005-09-15 DJ Delorie <dj@redhat.com>
3663 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
3665 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3667 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3668 to order operands.
3669 (swap_commutative_operands_with_target): New.
3671 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
3673 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
3674 parameter.
3675 Update callers.
3676 (estimate_iters_using_array): New function.
3677 * tree-data-ref.h (estimate_iters_using_array): Prototype
3678 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3679 Use estimate_iters_using_array instead of analyze_array.
3681 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
3683 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
3684 as addressable.
3686 2005-09-15 Michael Matz <matz@suse.de>
3688 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
3690 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
3692 PR tree-optimization/23835
3693 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
3694 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
3696 2005-09-14 Richard Henderson <rth@redhat.com>
3698 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
3699 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
3701 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
3703 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
3704 in the ARRAY_TYPE case.
3706 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
3708 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
3710 2005-09-14 Uros Bizjak <uros@kss-loka.si>
3712 PR middle-end/22480
3713 * tree-vect-transform.c (vectorizable_operation): Return false for
3714 scalar shift operations and for vector shift operations with
3715 non-invariant shift arguments. Use scalar tree operand op1 as
3716 a shift operand when vector shift insn pattern uses scalar shift
3717 operand.
3718 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
3720 2005-09-14 Olivier Hainque <hainque@adacore.com>
3722 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
3723 value if it has side-effects.
3725 2005-09-14 David Edelsohn <edelsohn@gnu.org>
3727 PR target/22068
3728 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
3730 2005-09-14 Alan Modra <amodra@bigpond.net.au>
3732 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
3733 passed as NAME as if it were label at start of function code.
3735 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
3737 * config/sh/sh.md (*movv4sf_i): Add general register cases to
3738 the constraints.
3740 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
3742 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
3743 as early clobber. Rewrite so the PIC register is not implicitly used.
3745 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3747 * tree.c (annotate_with_file_line): Compare line numbers before
3748 file names.
3750 2005-09-13 Uros Bizjak <uros@kss-loka.si>
3752 PR target/23816
3753 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
3754 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
3756 2005-09-13 Ian Lance Taylor <ian@airs.com>
3758 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
3759 than a HOST_WIDEST_INT to gen_doloop_begin.
3761 2005-09-13 Diego Novillo <dnovillo@redhat.com>
3763 * tree-dfa.c (dump_variable): Guard against NULL annotations.
3765 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
3767 PR tree-optimize/23817
3768 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
3770 2005-09-13 Alan Modra <amodra@bigpond.net.au>
3772 PR target/23774
3773 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
3774 word before changing the stack pointer. Use gen_frame_mem for MEMs.
3775 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
3776 (restore_stack_nonlocal): Likewise.
3777 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
3779 2005-09-12 Ian Lance Taylor <ian@airs.com>
3781 PR g++/7874
3782 * c.opt (ffriend-injection): New C++ option.
3783 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3784 (C++ Dialect Options): Document -ffriend-injection.
3786 2005-09-12 Josh Conner <jconner@apple.com>
3788 PR middle-end/23237
3789 * ipa-reference.c (static_execute): Don't mark variables in
3790 named sections TREE_READONLY.
3792 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3794 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3795 stack_tie.
3797 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3799 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3800 V_MUST_DEF instead of just the first_use_p.
3801 Don't mark the virtual variables for renaming on the statement which
3802 is being removed.
3803 (pass_dse): Remove TODO_update_ssa.
3805 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3807 PR middle-end/23290
3808 * stor-layout.c (compute_record_mode): For records with a single
3809 field, actually check the field's mode size against the type size.
3811 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3812 registers for TARGET_SHMEDIA.
3813 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3814 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3815 of GENERAL_REGS and FP_REGS.
3817 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3819 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3821 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3823 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3824 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3825 are omitted. Exclude stack_tie insn too.
3827 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3829 PR rtl-optimization/23098
3830 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3831 0.0f is easy.
3832 * config/rs6000/rs6000.md (movdf splitter): Use
3833 const_double_operand predicate for TARGET_POWERPC64.
3834 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3835 SYMBOL_REF method to ABI_V4.
3837 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3838 replace_equiv_address.
3839 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3840 rs6000_sr_alias_set and MEM_NOTRAP.
3841 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3843 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3845 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3846 handle CALL_EXPR again.
3848 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3850 * arm/predicates.md (alignable_memory_operand): Delete.
3852 2005-09-10 Richard Henderson <rth@redhat.com>
3854 PR debug/23806
3855 * dbxout.c (dbxout_expand_expr): New.
3856 (dbxout_symbol): Use it.
3858 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3860 * arm.c (arm_gen_rotated_half_load): Delete.
3861 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3862 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3863 (thumb_set_return_address): Likewise.
3864 (thumb_load_double_from_address): Use adjust_address.
3865 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3866 (extendhsisi2_mem, movhi_bytes): Use change_address.
3867 (movhi): Use widen_memory_access.
3868 (reload_out_df): Use replace_equiv_address.
3869 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3871 2005-09-09 Richard Henderson <rth@redhat.com>
3873 PR debug/20998
3874 * dbxout.c: Include expr.h.
3875 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3876 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3877 * Makefile.in (dbxout.o): Add EXPR_H.
3879 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3881 PR tree-optimization/23509
3882 * tree-cfg.c (replace_uses_by): Use replace_exp.
3883 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3884 pointers have name_mem_tag or type_mem_tag set.
3886 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3888 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3889 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3890 of wrongly accessing operands.
3892 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3894 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3895 * tree-chrec.c: Include tree-scalar-evolution.h.
3896 (chrec_convert): Instantiate the base and step before calling
3897 scev_probably_wraps_p that would fail on parametric evolutions.
3898 Collect all the fails into a single section failed_to_convert,
3899 print a diagnostic, and return chrec_dont_know instead of calling
3900 fold_convert.
3901 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3902 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3903 phi nodes.
3904 (scev_const_prop): Don't replace the definition of a loop closed ssa
3905 phi node by itself, or by another loop closed ssa phi node.
3906 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3907 that base and step are defined.
3909 2005-09-09 Richard Guenther <rguenther@suse.de>
3911 PR c++/23624
3912 * fold-const.c (fold_ternary): Check truth_value_p before
3913 calling invert_truthvalue.
3915 2005-09-09 Nick Clifton <nickc@redhat.com>
3917 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3918 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3919 dimension of these arrays.
3920 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3921 these arrays.
3922 * longlong.h: Only provide a prototype for the __clz_tab[] array
3923 if this header has not been included from libgcc2.h.
3924 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3925 defining own types.
3926 Provide prototypes for exported functions.
3927 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3928 libgcc2.c.
3930 2005-09-08 Josh Conner <jconner@apple.com>
3932 PR c++/21135
3933 PR c++/23180
3934 * expr.c (expand_expr_addr_expr_1): Don't invoke
3935 expand_simple_binop for EXPAND_INITIALIZER.
3937 2005-09-08 Richard Henderson <rth@redhat.com>
3939 PR debug/23190
3940 * toplev.c (wrapup_global_declaration_1): Split out ...
3941 (wrapup_global_declaration_2): ... from ...
3942 (wrapup_global_declarations): ... here. Return bool.
3943 (check_global_declaration_1): Split out ...
3944 (check_global_declarations): from here.
3945 (emit_debug_global_declarations): New.
3946 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3947 check_global_declaration_1, emit_debug_global_declarations): Declare.
3948 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3949 of decls. Call wrapup_global_declaration_1,
3950 wrapup_global_declaration_2, check_global_declaration_1 directly.
3951 (c_write_global_declarations_2): New.
3952 (ext_block): New.
3953 (c_write_global_declarations): Call c_write_global_declarations_2.
3954 * langhooks.c (write_global_declarations): Call
3955 emit_debug_global_declarations.
3957 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3958 remove decls that have DECL_RTL_SET_P.
3959 * passes.c (rest_of_decl_compilation): Invoke
3960 cgraph_varpool_finalize_decl for all but functions.
3962 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3964 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3965 the result of a conversion if the new min and max cannot be compared.
3967 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3969 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3970 (override_options): Setting s390_sr_alias_set removed.
3971 (save_fpr, save_gprs): Set alias set to vararg or frame.
3972 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3973 s390_sr_alias_set with get_frame_alias_set ().
3974 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3975 get_varargs_alias_set ().
3977 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3979 PR objc/20574
3980 PR objc/19324
3981 * c-parser.c (c_parser_objc_method_definition): If the next
3982 token is not "{", error out and don't start the function.
3984 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3986 * tree-vrp.c (extract_range_from_expr): Move the check for non
3987 nullness after the check for gimple invariant.
3989 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3991 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3993 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3995 PR target/23747
3996 * config/m32r.md (movmemsi_internal): Canonicalize order of
3997 operands in PLUS component of template.
3999 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4001 * reload1.c (fixup_eh_region_note): Remove assertion.
4002 (fixup_abnormal_edges): Reverted removal of call to
4003 find_many_sub_basic_blocks made on 2005-08-31.
4005 2005-09-07 Richard Henderson <rth@redhat.com>
4007 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4008 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4009 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4010 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4011 rearrange for better packing.
4012 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4013 (lookup_cfa_1): Remove inline marker.
4014 (cfa_equal_p): Split out of ...
4015 (def_cfa_1): ... here. Use INVALID_REGNUM.
4016 (build_cfa_loc): Handle !cfa->indirect.
4017 (frame_pointer_cfa_offset): New.
4018 (dbx_reg_number): Assert register elimination performed; do
4019 leaf register remapping.
4020 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4021 (eliminate_reg_to_offset): New.
4022 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4023 for verifiably local stack frame addresses; re-base to CFA.
4024 (mem_loc_descriptor): Remove can_use_fbreg argument.
4025 (concat_loc_descriptor, loc_descriptor): Likewise.
4026 (containing_function_has_frame_base): Remove.
4027 (rtl_for_decl_location): Don't do register elimination or
4028 leaf register remapping here.
4029 (secname_for_decl): Split out from ..
4030 (add_location_or_const_value_attribute): ... here.
4031 (convert_cfa_to_loc_list): New.
4032 (compute_frame_pointer_to_cfa_displacement): New.
4033 (gen_subprogram_die): Use them.
4034 * tree.h (frame_base_decl): Remove.
4035 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4036 (prologue_stack_adjust): Remove.
4037 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4038 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4039 (set_frame_base_location): Remove.
4040 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4041 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4042 (vt_add_function_parameters): Don't eliminate_regs.
4043 (vt_initialize): Don't create frame_base_decl.
4045 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4047 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4048 version of GNU binutils for 4.x and later.
4050 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4052 * ggc-page.c (ggc_push_context): Remove.
4053 (ggc_pop_context): Likewise.
4054 * ggc.h (ggc_push_context): Remove.
4055 (ggc_pop_context): Likewise.
4057 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4059 PR target/8973
4060 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4061 returning from an interrupt handler.
4063 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4065 PR target/8972
4066 * config/arc/arc.c (output_shift): Add check for loop count when
4067 optimizing.
4069 2005-09-06 Steven Bosscher <stevenb@suse.de>
4071 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4072 form manually.
4073 (abs_replacement): Likewise.
4074 (pass_phiopt): Remove TODO_update_ssa.
4076 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4078 PR c/23075
4079 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4080 if "return with no value, in function returning non-void" warning
4081 has been issued.
4082 * tree-cfg.c (execute_warn_function_return): Don't look at
4083 RETURN_EXPRs with TREE_NO_WARNING set.
4085 PR target/22362
4086 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4087 for internal functions doesn't use registers used by global registers
4088 variables. Use fewer register parameters if there are global register
4089 variables.
4091 2005-09-06 Olivier Hainque <hainque@adacore.com>
4092 Eric Botcazou <ebotcazou@adacore.com>
4094 PR middle-end/14997
4095 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4096 when we would be extracting outside its bit span (bitpos+bitsize
4097 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4098 Ada unchecked conversions.
4100 2005-09-06 Steven Bosscher <stevenb@suse.de>
4102 * tree-ssa-pre.c (try_look_through_load): New function.
4103 (compute_avail): Use it to try to look through loads for some
4104 more useful expressions.
4106 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4108 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4109 condition for detecting cases like (a&a) and (a^a).
4111 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4113 * common.opt: Add option ftree-vect-loop-version.
4114 * params.def: Add --param vect-max-version-checks.
4115 * doc/invoke.texi: Document ftree-vect-loop-version and
4116 --param vect-max-version-checks.
4117 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4118 may_misalign_stmts and defines for accessors.
4119 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4120 LOOP_VINFO_MAY_MISALIGN_STMTS.
4121 (destroy_loop_vec_info): VEC_free for
4122 LOOP_VINFO_MAY_MISALIGN_STMTS.
4123 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4124 Update documentation.
4125 (vect_update_misalignment_for_peel): New.
4126 (vect_enhance_data_refs_alignment): Update to choose loop
4127 peeling or loop versioning if appropriate for the (potentially)
4128 unaligned data references in the loop.
4129 (vect_analyze_data_refs_alignment): Remove call to
4130 vect_enhance_data_refs_alignment so the checks can be done
4131 earlier.
4132 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4133 and move up call to vect_analyze_data_refs_alignment.
4134 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4135 (vect_transform_loop): Add call to loop_version.
4137 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4139 PR rtl-optimization/23098
4140 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4141 * simplify-rtx.c (constant_pool_reference_p): New function.
4142 * rtl.h (constant_pool_reference_p): New prototype.
4143 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4144 constant_pool_reference_p in condition and
4145 avoid_constant_pool_reference in preparation statements.
4147 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4149 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4150 STRICT_LOW_PART SETs.
4152 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4154 PR middle-end/21460
4155 * except.c (sjlj_emit_function_enter): Find the function begin
4156 note even when it's not in first basic block.
4158 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4160 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4161 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4162 * aclocal.m4: Regenerate.
4164 2005-09-05 DJ Delorie <dj@redhat.com>
4166 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4167 of macro.
4169 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4171 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4172 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4173 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4174 Follow spelling conventions.
4175 * doc/invoke.texi: Follow spelling conventions.
4177 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4179 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4180 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4181 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4183 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4185 PR target/23683
4186 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4187 (output_stack_adjust): Use gen_tmp_stack_mem.
4188 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4189 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4190 (sh_get_pr_initial_val): Likewise.
4191 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4192 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4193 * sh.md (divsi_inv_m0): Use gen_const_mem.
4194 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4195 (movdf_i4+1): Use gen_tmp_stack_mem.
4196 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4197 (fpu_switch+2): Likewise.
4198 (movv4sf_i, movv16sf_i): Use adjust_address.
4199 (symGOT_load): Set MEM_NOTRAP_P bit.
4201 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4203 PR target/23721
4204 * pa.c (emit_move_sequence): Fix typo in last change.
4206 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4208 PR rtl-optimization/23454
4209 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4210 is true.
4212 2005-09-03 Richard Henderson <rth@redhat.com>
4213 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4215 PR middle-end/23671
4216 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4217 gen_rtx_MEM.
4219 2005-09-02 Nicolas Pitre <nico@cam.org>
4221 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4222 to bit_count to 32 bits.
4224 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4226 PR c++/23167
4227 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4228 generating synthetic loads from volatile lvalues.
4230 005-09-02 Nick Clifton <nickc@redhat.com>
4232 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4233 __ctzhi2, __clzhi2): New functions.
4235 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4237 PR middle-end/23547
4238 * tree-nested.c (struct var_map_elt): Mark with GTY.
4239 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4240 var_map_elt.
4241 (lookup_field_for_decl): Allocate new element in GC memory.
4242 (lookup_tramp_for_decl): Likewise.
4243 (convert_nl_goto_reference): Likewise
4244 (create_nesting_tree): Allocate info in GC memory. Likewise for
4245 info->var_map.
4246 (free_nesting_tree): Free with ggc_free instead of free.
4247 (root): New static variable.
4248 (lower_nested_functions): Remove root as local variable. And zero out
4249 root at the end of the function.
4251 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4253 PR rtl-optimization/20365
4254 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4255 to short. New member ix.
4256 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4257 (simplify_plus_minus): Initialize ix members before calling qsort.
4259 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4261 PR tree-optimization/23626
4262 * tree-cfg.c (replace_uses_by): Clean up eh info.
4264 2005-09-01 DJ Delorie <dj@redhat.com>
4266 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4267 fprintf.
4269 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4271 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4272 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4273 gen_rtx_MEM.
4275 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4277 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4278 do not issue warning for a variable definition following
4279 a declaration.
4281 2005-09-01 Richard Henderson <rth@redhat.com>
4283 PR 23668
4284 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4285 conversion to CONST_VECTOR.
4287 2005-09-01 Richard Henderson <rth@redhat.com>
4289 PR 23676
4290 * reload1.c (reload_as_needed): Check !CALL_P before calling
4291 fixup_eh_region_note.
4292 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4294 2005-09-01 DJ Delorie <dj@redhat.com>
4296 * varasm.c (output_constant): Let the target resolve
4297 conversions of addresses to non-default pointer sizes.
4299 2005-09-01 Nicolas Pitre <nico@cam.org>
4301 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4302 to alow matching ARM pre-indexed addressing mode.
4303 (arm_override_options): Remove now irrelevant comment.
4305 2005-09-01 Phil Edwards <phil@codesourcery.com>
4307 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4308 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4309 * config/i386/vxworks.h: Likewise.
4310 * config/i386/t-vxworksae: New file, for VxWorks AE.
4311 * config/i386/vxworksae.h: Likewise.
4313 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4315 PR tree-optimization/23410
4316 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4317 sequence is not wrapping during the first step.
4319 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4321 PR debug/7241
4322 * dwarf2out.c (base_type_die): Compare char_type_node with
4323 TYPE_MAIN_VARIANT (type), not type.
4325 2005-09-01 Richard Guenther <rguenther@suse.de>
4327 PR tree-optimization/15366
4328 * common.opt: Add -finline-functions-called-once.
4329 Put -fearly-inlining in alphabetically ordered place.
4330 * doc/invoke.texi: Document new option.
4331 * ipa-inline.c (cgraph_decide_inlining): Honour
4332 flag_inline_functions_called_once.
4334 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4336 PR rtl-optimization/23478
4337 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4338 (alloc_qty): Initialize it.
4339 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4340 (combine_regs): Combine also n_throwing_calls_crossed fields.
4341 (find_free_reg): Don't attempt to caller-save pseudos crossing
4342 calls that might throw.
4343 * global.c (struct allocno): Add throwing_calls_crossed field.
4344 (global_alloc): Revert 2005-08-22 change. Initialize
4345 throwing_calls_crossed.
4346 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4347 might throw.
4349 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4351 PR target/23649
4352 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4353 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4354 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4355 (and64_2_operand): Tweak to use predicate.
4356 (and_operand): Adjust for mask_operand changes.
4357 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4358 (print_operand): Likewise.
4359 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4360 (mask64_1or2_operand): Delete.
4361 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4362 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4363 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4364 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4365 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4366 (rotldi3_internal4): Likewise.
4367 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4368 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4369 (ashldi3_internal7): Likewise.
4370 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4371 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4372 (anddi3 split): Don't match mask64_operand.
4373 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4374 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4375 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4376 't' splitter predicate.
4377 (movdi_internal64 + 2): Revert 2005-06-11 change.
4379 2005-08-31 DJ Delorie <dj@redhat.com>
4381 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4382 (m32c_asm_integer): Add support for 32 bit pointers.
4384 2005-08-31 Richard Henderson <rth@redhat.com>
4386 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4387 component-like references for setting MEM_NOTRAP_P.
4389 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4390 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4392 2005-08-31 Richard Henderson <rth@redhat.com>
4394 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4395 into a pseudo before applying gen_lowpart.
4397 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4399 * doc/install.texi (Specific): Update cctools version required
4400 for full functionality.
4401 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4402 linkers as -macosx_version_min.
4404 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4406 PR target/21255
4407 * sh.c (print_operand, %R and %S): Add handling of floating point
4408 registers, memory, constants and invalid operands.
4410 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4412 * ipa-pure-const.c: Change dump name.
4414 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4416 PR target/23570
4417 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4418 to "reg_or_0_operand".
4419 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4421 2005-08-31 Dale Johannesen <dalej@apple.com>
4423 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4424 loops that count down.
4426 2005-08-31 Richard Henderson <rth@redhat.com>
4428 PR rtl-opt/23601
4429 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4430 (fixup_eh_region_note): New.
4431 (reload_as_needed): Call it.
4432 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4433 don't call find_many_sub_basic_blocks; call verify_flow_info.
4434 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4435 (keep_stack_depressed): Likewise.
4436 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4438 2005-08-31 Richard Henderson <rth@redhat.com>
4440 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4441 fp return matching.
4443 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4445 * expr.c (expand_expr_real_1): Compare size of address
4446 mode to target's address mode size in deciding expansion of
4447 the constant address.
4449 2005-08-31 Richard Guenther <rguenther@suse.de>
4451 PR middle-end/23477
4452 * expr.c (all_zeros_p): New function.
4453 (expand_expr_real_1): Handle the case of an all-zero
4454 non-addressable constructor separately.
4456 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4458 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4459 arguments, adjust all callers.
4460 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4462 2005-08-30 Richard Henderson <rth@redhat.com>
4464 PR target/23630
4465 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4466 whenever the mode sizes match.
4468 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4470 * calls.c (load_register_parameters): Fix comment typo.
4471 * expr.c (emit_push_insn): Comment formatting.
4473 2005-08-30 Ian Lance Taylor <ian@airs.com>
4475 * config/i386/x-cygwin (host-cygwin): Change dependency from
4476 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4478 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4480 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4481 parts of 'vals'.
4483 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4485 PR middle-end/23408
4486 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4487 call to ggc_collect.
4489 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4491 PR bootstrap/21268
4492 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4493 beginning. Remove $(INCLUDES) from all the rules, if following
4494 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4496 2005-08-29 Jakub Jelinek <jakub@redhat.com>
4498 PR middle-end/23484
4499 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
4500 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
4501 not constant, but maxlen is, don't set len to maxlen, rather
4502 set maxlen to len if len is a constant.
4504 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
4506 PR tree-optimization/23475
4507 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
4508 and counts.
4510 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
4512 Fix PR middle-end/22455
4514 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
4515 Checksum only the parts of the tree that exist for the tree code.
4517 2005-08-28 Dale Johannesen <dalej@apple.com>
4519 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
4521 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
4523 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
4525 2005-08-28 Richard Henderson <rth@redhat.com>
4527 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
4528 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
4529 of char_type_node.
4531 2005-08-28 Jakub Jelinek <jakub@redhat.com>
4533 PR ada/23593
4534 * builtins.c (get_memory_rtx): Don't strip nops
4535 in between COMPONENT_REFs.
4537 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
4539 PR middle-end/23463
4540 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
4541 types.
4542 (gimplify_modify_expr): Check for zero sized types and gimplify the
4543 rhs and lhs as statements.
4545 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
4547 PR libgcj/23508
4548 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
4549 state for return address column of signal frames.
4551 2005-08-27 David Edelsohn <edelsohn@gnu.org>
4553 PR target/23539
4554 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
4555 bytes >= 2 not bytes == 2.
4556 (expand_block_move): Same.
4558 2005-08-27 Richard Guenther <rguenther@suse.de>
4560 PR target/23575
4561 * config/i386/sse.md (sse2_movsd): Add missing closing
4562 braces.
4564 2005-08-27 Paul Brook <paul@codesourcery.com>
4566 * genrecog.c (enum decision_type): Add DT_num_insns.
4567 (struct decision_test): Add u.num_insns.
4568 (add_to_sequence): Add DT_num_insns test.
4569 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
4570 (write_cond, debug_decision_2): Ditto.
4571 (change_state): Assume peep2_next_insn never fails.
4572 Remove "afterward" argument.
4573 (write afterward, write_tree): Update to match.
4574 * recog.c (peep2_current_count): New variable.
4575 (peep2_next_insn): Check it.
4576 (peephole2_optimize): Set peep2_current_count.
4577 * recog.h (peep2_current_count): Declare.
4579 2005-08-26 Josh Conner <jconner@apple.com>
4581 PR middle-end/23584
4582 * ipa-pure-const.c (check_tree): Check for volatile-ness
4583 when considering a dereference.
4585 2005-08-27 Jakub Jelinek <jakub@redhat.com>
4587 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
4589 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4591 PR rtl-optimization/23561
4592 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
4593 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
4594 at most LEN bytes long memory fits into the field.
4595 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
4596 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
4597 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
4599 2005-08-26 Richard Henderson <rth@redhat.com>
4601 PR rtl-opt/23560
4602 * loop.c (biased_biv_may_wrap_p): New.
4603 (maybe_eliminate_biv_1): Use it to suppress non-equality
4604 comparison transformations. Delete disabled code.
4606 2005-08-26 Ian Lance Taylor <ian@airs.com>
4608 * combine.c (make_extraction): Avoid reference outside object.
4610 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
4612 * stor-layout.c (finalize_type_size): Restore behaviour for
4613 non-aggregate types to the status quo ante of the patch for
4614 pr 23467. Document why it matters.
4616 2005-08-26 Jakub Jelinek <jakub@redhat.com>
4618 PR c/23506
4619 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
4620 array by one element, initialize the BT_LAST element with NULL.
4622 2005-08-26 David Edelsohn <edelsohn@gnu.org>
4624 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
4625 optimizing for size.
4626 (plus_eqsi): Same.
4627 (compare_plus_eqsi): Same.
4628 (plus_eqsi_compare): Same.
4629 (neg_eq0<mode>): Same.
4630 (neg_eq<mode>): Same.
4632 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
4633 PROCESSOR_POWER4.
4635 2005-08-26 Nick Clifton <nickc@redhat.com>
4637 * config/v850/v850.c (ep_memory_operand): Return FALSE if
4638 TARGET_EP is not defined.
4639 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
4640 TARGET_EP is enabled.
4641 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
4642 * config/v850/v850.md (save_all_interrupt): Only use the EP
4643 register if TARGET_EP is defined.
4644 (restore_all_interrupt): Likewise.
4645 * config/v850/lib1funcs.asm: Update functions so that the EP
4646 register is only used if __EP__ is defined.
4648 2005-08-26 David Ung <davidu@mips.com>
4650 * config/mips/mips.c (mips_expand_prologue): Handle case when
4651 generating for MIPS16 and the outgoing argument area is more than
4652 SMALL_OPERAND. Use the frame pointer as temporary to generate the
4653 add instruction.
4655 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
4657 * config/crx/crx.md: Make doloop_end pattern usage controllable
4658 via mloop-nesting=<max-nesting> command line switch. Make sure
4659 the combiner cannot use doloop_end_<mode> in an illegal way.
4660 * config/crx/crx.c: Use regs up to r6 for argument passing.
4661 Refine crx_address_cost (non cst4 displacements are expensive).
4662 * config/crx/crx.opt: Add switch for mloop-nesting=.
4664 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
4666 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
4667 (UNSPEC_MVST): New constant.
4669 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
4671 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
4672 Reject operands containing eliminable registers.
4673 * testsuite/gcc.dg/20050825-1.c: New testcase.
4675 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4676 Jan Hubicka <jh@suse.cz>
4678 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
4680 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4682 PR tree-optimization/23546
4683 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
4684 and REAL_CST nodes.
4686 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
4688 * params.def (PARAM_MIN_SPEC_PROB): New.
4689 * sched-rgn.c (MIN_PROBABILITY): Delete.
4690 (compute_trg_info): Convert to PARAM_VALUE.
4691 * doc/invoke.texi (param): Document min-spec-prob.
4693 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
4695 * config/darwin.h: define __PIC__
4696 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
4697 TARGET_OS_CPP_BUILTINS macro.
4699 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4701 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
4702 yesterday.
4704 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4706 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
4707 to duplicate_block.
4708 * cfghooks.c (duplicate_block): Added position where to place
4709 new block as argument.
4710 * cfghooks.h (duplicate_block): Declaration changed.
4711 * cfglayout.c (copy_bbs): Add argument after. Pass it to
4712 duplicate_block.
4713 * cfglayout.h (copy_bbs): Declaration changed.
4714 * cfgloop.h (loop_version): Declaration changed.
4715 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
4716 position to copy_bbs.
4717 (loop_version): Pass position to duplicate_loop_to_header_edge.
4718 Add place_after argument and position new blocks according to
4719 it.
4720 * modulo-sched.c (sms_schedule): Pass place_after argument
4721 to loop_version.
4722 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
4723 * tree-cfg.c (split_edge_bb_loc): New function.
4724 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
4725 to determine position of new blocks.
4726 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
4727 to loop_version.
4728 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
4729 argument to duplicate_block.
4730 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
4731 Pass position to copy_bbs.
4733 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
4735 * fold-const.c (ptr_difference_const): Use
4736 cst_and_fits_in_hwi instead of host_integerp.
4738 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
4740 * config/darwin.c (gen_pic_offset): New.
4741 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
4742 Use it.
4744 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
4746 PR tree-optimization/23486
4747 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
4749 2005-08-23 Phil Edwards <phil@codesourcery.com>
4751 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
4752 remove use_collect2.
4753 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
4755 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
4756 configuration files to override the default value.
4758 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
4759 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
4760 * config/vx-common.h: New file, split out from...
4761 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
4762 * config/vxworksae.h: New file, for VxWorks AE.
4763 * config/vxworks.opt: New file.
4764 * config/vxlib.c: Update for VxWorks 6.
4766 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
4767 other MULTILIB_* variables appropriately.
4768 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
4769 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
4770 * config/rs6000/vxworks.h: Update for VxWorks 6.
4771 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
4773 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
4775 PR target/20799
4776 * config/darwin.c (machopic_select_section): Remove the hack to
4777 mark "::operator new" and "::operator delete" for coalescing
4778 even though they are not weak.
4780 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4782 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4783 * configure: Regenerate.
4785 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4787 PR middle-end/23517
4788 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4789 between vectors.
4790 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4791 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4792 Likewise.
4794 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4796 * config/rs6000/predicates.md (equality_operator): New.
4797 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4798 comparison with a large constant.
4800 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4802 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4804 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4806 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4807 registers is even, and we have a hardware double precision fp,
4808 align the buffer.
4809 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4810 size of current argument when checking if argument was passed in
4811 registers.
4813 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4815 PR middle-end/23467
4816 * stor-layout.c (finalize_type_size): Dont override
4817 existing alignment with a smaller alignment from the mode.
4819 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4821 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4822 * lambda.h (lambda_vector_lexico_pos): ... here.
4823 * tree-data-ref.c (build_classic_dist_vector): Return false when
4824 the distance vector is lexicographically negative.
4826 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4828 PR tree-optimization/23511
4829 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4830 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4832 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4834 PR tree-optimization/22043
4835 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4836 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4837 If ALLOW_FLEXARR, handle types ending with flexible array member.
4838 Pass false as second argument to recursive count_type_elements calls.
4839 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4840 argument to count_type_elements call.
4841 * tree-sra.c (decide_block_copy): Likewise.
4842 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4843 for a constant-sized object, set cleared as well. Pass true as
4844 second argument to count_type_elements call.
4846 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4848 PR target/21571
4849 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4850 from legitimate_small_data_p, and make global. Update use.
4851 Remove forward declaration.
4852 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4853 Declare.
4854 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4856 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4858 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4859 of scratch intermediates.
4860 (eq<mode>_compare): Same.
4861 (neg_eq0<mode>): New.
4862 (neg_eq<mode>): Convert to define_insn_and_split.
4864 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4866 PR target/23070
4867 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4868 stdarg functions, set/clear the fp marker even when no variable
4869 args are passed.
4870 * config/rs6000/sysv4.opt (mprototype): Describe.
4872 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4874 PR rtl-optimization/23478
4875 * regs.h (reg_info): Add throw_calls_crossed.
4876 (REG_N_THROWING_CALLS_CROSSED): Define.
4877 * flow.c (allocate_reg_life_data): Initialize
4878 REG_N_THROWING_CALLS_CROSSED.
4879 (propagate_one_insn, attempt_auto_inc): Update
4880 REG_N_THROWING_CALLS_CROSSED.
4881 * global.c (global_alloc): Don't allocate pseudos across
4882 calls that may throw.
4884 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4886 PR c/18715
4887 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4888 value is inbetween the range if we did not find an exact match.
4890 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4892 * doc/invoke.texi (Option Summary): Add ms1 options.
4893 * doc/extend.texi: Document interrupt handler attribute for ms1.
4894 * doc/md.texi: Document ms1 constraints.
4895 * config.gcc: Add ms1-*-elf.
4896 * config/ms1/ms1.h: New.
4897 * config/ms1/ms1.c: New.
4898 * config/ms1/ms1.md: New.
4899 * config/ms1/ms1-protos.h: New.
4900 * config/ms1/ABI.txt: New.
4901 * config/ms1/crti.asm: New.
4902 * config/ms1/crtn.asm: New.
4903 * config/ms1/lib2extra-funcs.c: New.
4904 * config/ms1/t-ms1: New.
4905 * config/ms1/ms1.opt: New.
4907 2005-08-22 Ira Rosen <irar@il.ibm.com>
4909 * config/rs6000/altivec.md (xorv4sf3): New.
4910 (negv4sf2, neg<mode>2): Likewise.
4912 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4914 PR target/23485
4915 * config/ia64/ia64.md (divsi3): Check divide by zero.
4916 (udivsi3): Likewise.
4917 (divdi3): Likewise.
4918 (udivdi3): Likewise.
4920 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4922 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4923 up to elem_bitsize bits, not max_bitsize.
4925 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4927 PR tree-optimization/23433
4928 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4929 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4931 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4933 PR tree-optimization/23434
4934 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4935 the iteration bound is not an INTEGER_CST.
4937 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4939 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4940 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4941 NULL if need_epilog_adjust is false.
4942 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4943 Case 3 always peels first itration, not just for PLUS case, and no need
4944 to use scalar_initial_def here. Create an epilog adjustment only if
4945 scalar_initial_def is not NULL.
4947 (vectorizable_reduction): Remove assert.
4949 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4951 PR target/23485
4952 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4953 (__moddi3): Likewise.
4954 (__udivdi3): Likewise.
4955 (__umoddi3): Likewise.
4956 (__divsi3): Likewise.
4957 (__modsi3): Likewise.
4958 (__udivsi3): Likewise.
4959 (__umodsi3): Likewise.
4961 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4963 * tree-pass.h (TDF_GRAPH): Define.
4964 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4965 * passes.c (finish_optimization_passes): Only call
4966 finish_graph_dump_file if TDF_GRAPH is set.
4967 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4968 NULL. Set TDF_GRAPH bit.
4969 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4971 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4973 * arm.h (arm_stack_offsets): Add locals_base field.
4974 * arm.c (arm_get_frame_offsets): Compute it.
4975 (thumb_compute_initial_elimination offset): Make the Thumb frame
4976 pointer point to the base of the local variables.
4977 (thumb_expand_prologue): Update accordingly.
4978 (thumb_expand_epilogue): Likewise.
4980 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4981 mode of clobbered scratch to DImode. Handle a case that's known to
4982 need this.
4984 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4986 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4987 (gt0<mode>_compare): Delete.
4988 (neg_gt0<mode>): Delete.
4990 2005-08-19 Eric Christopher <echristo@apple.com>
4992 * optabs.h: Change CTI_ to COI_.
4993 * optabs.c: Ditto.
4995 2005-08-19 James E Wilson <wilson@specifix.com>
4997 * builtins.c (expand_builtin_return_addr): Set
4998 current_function_accesses_prior_frames when count != 0. Use
4999 frame_pointer_rtx when count == 0.
5000 * function.h (struct function): Add accesses_prior_frames field.
5001 (current_function_accesses_prior_frames): Define.
5002 * reload1.c (init_elim_table): Check
5003 current_function_accesses_prior_frames.
5004 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5006 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5008 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5009 indicator. Return true if the flowgraph changed during
5010 cleanup.
5012 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5014 PR 23476
5015 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5016 conditional expression before testing its value.
5018 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5020 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5022 2005-08-19 Devang Patel <dpatel@apple.com>
5024 PR tree-optimization/23048
5025 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5026 third parameter. Check whether latch is dominated by exit
5027 block or not.
5028 (if_convertible_loop_p): Supply exit block itself to
5029 if_convertible_bb_p.
5031 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5033 PR target/23473
5034 * arm.md (arm_load_pic_register): Change argument to the mask of
5035 saved registers. Call thumb_find_work_register if we need a
5036 scratch register on Thumb.
5037 (arm_expand_prologue): Pass empty register set to
5038 arm_load_pic_register.
5039 (thumb_expand_prologue): Pass live_regs_mask directly to
5040 arm_load_pic_register.
5041 * arm-protos.h (arm_load_pic_register): Update prototype.
5043 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5045 * sh.c (find_sole_member): New function.
5046 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5047 if the record's alignment is larger than the size of its only member.
5049 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5051 PR target/23436
5052 * arm.c (thumb_legitimize_reload_address): New function.
5053 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5054 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5056 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5058 * config/crx/crx.c: Implement crx_decompose_address. Reject
5059 symbolic displacements since CRX register relative adressing
5060 mode can't handle unsigned 32-bit values as displacements.
5061 * config/crx/crx.h: Simplify definitions, remove redundant
5062 parenthesis and obsolete macros.
5063 * config/crx/crx.opt: Add new switch for debugging addresses.
5064 * config/crx/crx-protos.h: Add new declarations for above.
5066 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5068 PR middle-end/20624
5069 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5070 looking past it.
5072 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * collect2.c (dup2): Delete.
5075 * configure.ac: Don't check for dup2.
5077 * config.in, configure: Regenerate.
5079 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5081 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5082 record with the type of its only member.
5084 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5086 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5087 define_insn_and_split.
5088 (plus_ltu<mode>_compare): Same.
5089 (gtu<mode>_compare): Same.
5090 (plus_gtu<mode>_compare): Same.
5092 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5094 PR tree-optimization/22228
5095 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5096 todo_flags_start.
5097 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5098 are recorded in vect_vnames_to_rename for renaming.
5099 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5100 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5101 in vect_vnames_to_rename.
5102 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5103 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5105 2005-08-18 Jan Hubicka <jh@suse.cz>
5107 PR c++/22034
5108 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5109 info only for local statics, not for member variables.
5111 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5113 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5115 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5117 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5119 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5121 PR middle-end/16045
5122 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5124 2005-08-17 James E Wilson <wilson@specifix.com>
5126 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5127 array size check.
5129 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5131 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5132 (leu<mode>_compare): Same.
5133 (plus_leu<mode>): Same.
5134 (neg_leu<mode>): Same.
5135 (and_neg_leu<mode): Same.
5136 (ltu<mode>_compare): Same.
5137 (plus_ltu<mode>): Same.
5138 (geu<mode>): Same.
5139 (geu<mode>_compare): Same.
5140 (plus_geu<mode>): Same.
5141 (neg_geu<mode>): Same.
5142 (and_neg_geu<mode>): Same.
5143 (plus_gt<mode>): Same.
5144 (gtu<mode>_compare): Same.
5145 (plus_gtu<mode>): Same.
5147 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5149 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5150 Move call_table_data to end. Delete spurious .text.
5151 (callt_save_all_interrupt): Fix comment typo.
5153 2005-08-17 James E Wilson <wilson@specifix.com>
5154 Kevin Winchester <winchester@amirix.com>
5156 PR target/21684
5157 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5159 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5161 PR target/23268
5162 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5163 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5165 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5167 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5168 record with the type of its only member if the modes don't match.
5170 * varasm.c (decode_reg_name): Skip empty additional register names.
5172 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5174 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5175 lsm_tmp_name_length): New.
5176 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5177 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5179 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5180 Andreas Krebbel <krebbel1@de.ibm.com>
5182 * config.gcc: Added z9-109 switch.
5183 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5184 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5185 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5186 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5187 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5188 for "z9_109" cpu attribute.
5189 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5190 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5191 (s390_handle_arch_option): Added z9-109 switch.
5192 (override_options): Set respective cost function for z9-109.
5193 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5194 (legitimate_reload_constant_p): Accept extended immediates.
5195 (print_operand): Three new output modifiers added: k, m and o.
5196 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5197 (s390_output_mi_thunk): Use extended immediate when possible.
5198 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5199 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5200 (CONSTRAINT_LEN): Added length of O constraint.
5201 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5202 * config/s390/s390.md ("cpu"): New value z9_109 added.
5203 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5204 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5205 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5206 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5207 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5208 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5209 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5210 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5211 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5212 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5213 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5214 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5215 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5216 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5217 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5218 immediates.
5219 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5220 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5221 insns for TARGET_EXTIMM.
5223 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5225 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5227 2005-08-17 Nick Clifton <nickc@redhat.com>
5229 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5230 Call default_encode_section_info.
5232 2005-08-17 Steven Bosscher <stevenb@suse.de>
5234 PR tree-optimization/21574
5235 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5236 constant, return CONSTANT.
5237 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5238 (ccp_fold, visit_assignment): Likewise.
5239 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5241 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5243 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5244 fold_buildN instead of buildN then fold_initializer or fold.
5245 (build_unary_op): Likewise.
5246 (build_binary_op): Likewise.
5247 * fold-const.c (fold_initializer): Remove.
5248 (fold_build1_initializer): New function.
5249 (fold_build2_initializer): New function.
5250 (fold_build3_initializer): New function.
5251 * tree.h (fold_initializer): Remove.
5252 (fold_build1_initializer): New function.
5253 (fold_build2_initializer): New function.
5254 (fold_build3_initializer): New function.
5256 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5258 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5259 (try_move_mult_to_index): Call fold_build2 instead of build2.
5260 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5261 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5262 fold_binary_to_constant.
5263 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5264 fold (build.
5265 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5266 check if A == gcd (A, B). Remove TYPE argument.
5267 (analyze_offset) Use fold_build2 instead of fold (build.
5268 (create_data_ref): Likewise.
5269 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5270 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5271 then fold.
5273 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5275 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5276 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5278 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5280 PR tree-opt/23402
5281 * gimplify.c (zero_sized_type): New function.
5282 (gimplify_modify_expr_rhs): If we have a zero sized type,
5283 replace the statement with an empty statement.
5285 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5287 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5288 fxsave.
5290 2005-08-16 Ian Lance Taylor <ian@airs.com>
5292 * doc/tm.texi (Label Output): Correct typo.
5294 2005-08-16 Steven Bosscher <stevenb@suse.de>
5296 PR target/23376
5297 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5298 force_operand will work later on using have_insn_for.
5300 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5302 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5304 2005-08-16 Ian Lance Taylor <ian@airs.com>
5306 PR c++/23337
5307 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5308 vector type, don't try to construct it element by element. Add an
5309 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5311 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5313 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5315 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5317 * doc/invoke.texi (Precompiled Headers): Document some more options
5318 which are known to be safe.
5320 2005-08-16 James E Wilson <wilson@specifix.com>
5322 PR tree-optimization/21105
5323 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5324 TREE_OVERFLOW check.
5326 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5328 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5329 (neg_ltu<mode>): Same.
5330 (gtu<mode>): Same.
5331 (neg_gtu<mode>): Same.
5333 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5335 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5336 (fold_builtin_isdigit): Use fold_buildN.
5337 (build_function_call_expr): Likewise.
5338 * c-typeck.c (c_finish_loop): Likewise.
5340 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5341 Richard Shann <rshann@superh.com>
5343 PR middle-end/20396:
5344 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5346 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5348 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5350 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5352 PR target/23355
5353 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5354 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5355 must be saved.
5357 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5359 PR middle-end/23369
5360 * fold-const.c (build_range_check): Disable optimization for function
5361 pointer expressions on targets that require function pointer
5362 canonicalization.
5364 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5366 * simplify-rtx.c (simplify_const_relational_operation): When
5367 extracting arguments of a COMPARE, recompute the mode as well.
5369 2005-08-15 Ian Lance Taylor <ian@airs.com>
5371 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5373 2005-08-15 DJ Delorie <dj@redhat.com>
5375 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5376 the stack.
5377 (movsi_splittable): Allow, but split, moves to the stack.
5378 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5379 stack.
5381 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5383 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5384 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5385 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5387 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5388 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5389 Delete HOST_PTR_PRINTF.
5391 * configure, config.in: Regenerate.
5393 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5395 * config/rs6000/rs6000.md (QHSI): New mode macro.
5396 (wd): Extend mode attr for QImode and HImode
5397 (dbits): New mode attr.
5398 (zero_extend<mode>di2): Convert to mode macro.
5400 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5402 PR target/21841
5403 * doc/invoke.texi (-mgnu-ld): Update description.
5404 (-mhp-ld): Ditto.
5406 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5408 PR 23391
5409 * Makefile.in (tree-chrec.o): Depends on real.h.
5410 * tree-chrec.c: Include real.h.
5411 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5412 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5413 * tree-scalar-evolution.c (add_to_evolution_1,
5414 interpret_rhs_modify_expr): Ditto.
5416 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5418 PR 23386
5419 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5420 step is negative compute the estimation from init downwards to zero.
5422 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5424 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5426 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5428 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5429 constraint.
5430 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5431 Accept double-word constants that can be split.
5432 * config/s390/s390.md ("movti"): Use 'P' constraint.
5433 ("*movdi_31", "*movdf_31"): Likewise.
5435 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5437 Fix PR tree-optimization/22615
5439 * tree-ssa-structalias.c (solution_set_add): Handle
5440 first_vi_for_offset returning NULL.
5441 (do_da_constraint): Ditto.
5442 (do_sd_constraint): Ditto.
5443 (do_ds_constraint): Ditto
5444 (find_func_aliases): Ditto.
5445 (build_constraint_graph): RHS is allowed be ANYTHING.
5446 (first_vi_for_offset): Return NULL if we couldn't find anything at
5447 the offset.
5449 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5451 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5452 over memory as first operand.
5454 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5456 PR target/23360
5457 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5458 available for setting it.
5460 2005-08-14 Ira Rosen <irar@il.ibm.com>
5462 PR tree-optimization/23320
5463 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5464 data-refs' types instead of base object nullness. Add check for
5465 pointer type data-refs before first location comparison. Remove
5466 assert.
5468 2005-08-14 Andreas Schwab <schwab@suse.de>
5470 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5472 2005-08-13 James E Wilson <wilson@specifix.com>
5474 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5475 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5476 -fstack-protector-all, --param ssp-buffer-size): Document.
5477 (-Wvariadic-macros): Alphabetize.
5478 (-fsched-stalled-insns-dep): Add missing 'f'.
5480 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5481 macros.
5483 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5485 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5486 or indirect address operand.
5487 (EXTRA_ADDRESS_CONSTRAINT): New.
5488 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5490 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5492 PR tree-optimization/22236
5493 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5494 successors and predecessors.
5495 * tree-chrec.c (chrec_convert): Before converting, check that
5496 sequences don't wrap.
5497 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5498 (analyze_array): Extern.
5499 (find_data_references_in_loop): Remove call to
5500 compute_estimated_nb_iterations.
5501 * tree-data-ref.h (analyze_array): Declared.
5502 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
5503 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
5504 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
5505 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
5506 condition.
5507 * tree-ssa-loop-ivcanon.c: Fix documentation.
5508 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
5509 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
5510 (infer_loop_bounds_from_undefined): New.
5511 (estimate_numbers_of_iterations_loop): Use
5512 infer_loop_bounds_from_undefined.
5513 (used_in_pointer_arithmetic_p): New.
5514 (scev_probably_wraps_p): Pass an extra parameter. Call
5515 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
5516 (convert_step): Fix documentation.
5517 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
5518 Use initial_condition_in_loop_num and evolution_part_in_loop_num
5519 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
5520 scev_probably_wraps_p.
5522 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
5524 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
5525 (s390_register_info): Ignore clobbered_regs information for fixed
5526 registers, and only fixed registers.
5527 (s390_init_frame_layout): Remove redundant call.
5529 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
5531 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
5532 description of -Wold-style-casts.
5534 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5535 Jakub Jelinek <jakub@redhat.com>
5537 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5538 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
5539 * config/s390/s390.c (print_operand): New output modifier 'G' added.
5540 (get_thread_pointer): Renamed to s390_get_thread_pointer.
5541 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
5542 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
5543 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
5544 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5545 ("stack_protect_set", "stack_protect_test"): New expanders.
5546 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
5547 "stack_protect_testdi"): New insn definitions.
5549 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5551 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
5553 2005-08-12 Paul Brook <paul@codesourcery.com>
5555 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
5557 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5559 * config/s390/predicates.md (setmem_operand): New predicate.
5560 (shift_count_operand): Accept ANDs with special constants as
5561 operand.
5562 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
5563 with special constants.
5564 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
5565 shift_count_operand with setmem_operand.
5567 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5569 * config/s390/s390.c (s390_extract_part, s390_single_part):
5570 Type cast added.
5571 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
5572 (s390_output_mi_thunk): Don't use lg on 31 bit.
5573 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
5574 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
5576 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5578 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
5579 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
5580 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
5581 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
5582 with one of the new macros.
5584 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
5586 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
5587 Don't set save_return_addr_p.
5588 (s390_register_info): Make clobbered_regs not depending on
5589 save_return_addr_p.
5591 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
5593 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
5594 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
5596 2005-08-11 James E. Wilson <wilson@specifix.com>
5598 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
5600 2005-08-11 Jakub Jelinek <jakub@redhat.com>
5602 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
5603 locations gathered by var-tracking in single entry loc_list
5604 over loc_descriptor_from_tree.
5606 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
5607 pass it down to loc_descriptor.
5608 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
5609 (containing_function_has_frame_base): Move earlier in the file.
5610 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
5611 instead of always assuming fbreg can't be used.
5613 2005-08-11 David Edelsohn <edelsohn@gnu.org>
5615 * config/rs6000/altivec.md: Change constraint "m" to "Z".
5616 * config/rs6000/predicates.md (indexed_or_indirect_operand):
5617 Accept address wrapped in AND for Altivec.
5618 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5619 Strip AND wrapping offset address for Altivec.
5621 2005-08-11 Richard Henderson <rth@redhat.com>
5623 PR middle-end/23312
5624 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
5625 before using TYPE_IS_SIZETYPE.
5627 2005-08-11 Richard Henderson <rth@redhat.com>
5629 PR target/22225
5630 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
5631 insn types not present on ev4.
5632 (alphaev5_insn_pipe): Similarly.
5634 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
5636 PR target/23250
5637 * arm.c (arm_override_options): If the user has selected callee-super-
5638 interworking, then enable normal interworking.
5640 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5642 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
5643 redefinition.
5645 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
5647 * doc/rtl.texi: Fix two typos.
5649 2005-08-11 Richard Guenther <rguenther@suse.de>
5651 PR target/23289
5652 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
5653 cases where we call to/from functions returning void.
5655 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
5657 PR c++/23225
5658 * tree.c (build_pointer_type_for_mode): Robustify.
5660 2005-08-10 James E Wilson <wilson@specifix.com>
5662 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
5663 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
5665 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
5666 "cum->".
5668 2005-08-10 Eric Christopher <echristo@apple.com>
5670 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
5671 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
5672 V2DFmode.
5674 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
5676 PR target/21887
5677 * config/darwin.c (machopic_indirect_data_reference): Use a new register
5678 for the high part when generating dynamic-no-pic code.
5680 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
5682 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
5683 (x86_64-*-linux*): Likewise.
5685 * config/i386/crtfastmath.c: New file.
5686 * config/i386/t-crtfm: Likewise.
5688 * config/i386/linux.h (ENDFILE_SPEC): New.
5689 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
5691 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5692 crtfastmath.o.
5694 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
5696 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
5697 (vec_shl, vec_shr): Document new operations.
5698 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
5700 2005-08-10 David Edelsohn <edelsohn@gnu.org>
5702 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
5703 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
5704 change predicate to indexed_or_indirect_address.
5706 2005-08-10 Richard Sandiford <richard@codesourcery.com>
5708 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
5709 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
5710 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
5711 and __aeabi_uwrite8.
5712 * config/arm/unaligned-funcs.c: New file.
5713 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
5715 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
5717 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
5718 Add dump.
5719 * cfglayout.c (pass_insn_locators_initialize): Add dump.
5720 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
5721 Add dump.
5722 * except.c (pass_convert_to_eh_region_ranges): Add dump.
5723 * final.c (pass_shorten_branches): Add dump.
5724 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
5725 (pass_life): Rename dump.
5726 (rest_of_handle_flow2): Remove initial verify_flow_info.
5727 * function.c (pass_instantiate_virtual_regs): Add dump.
5728 * integrate.c (pass_initial_value_sets): Add dump.
5729 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
5730 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
5731 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
5732 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
5733 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
5734 gate_rtl_unrool_and_peel_loops): New.
5735 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
5736 rtl_doloop): Do not look at flags.
5737 * mode-switching.c (pass_mode_switching): Add dump.
5738 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
5739 pass_split_before_regstack): Add dump.
5740 * regmove.c (pass_stack_adjustments): Add dump.
5741 * tree-optimize.c (pass_fixup_cfg): Add dump.
5743 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5745 PR 23309
5746 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
5747 deciding which instruction sequence to use.
5749 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
5751 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
5752 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
5754 2005-08-09 Richard Guenther <rguenther@suse.de>
5756 * c-common.c (builtin_function_2): Remove.
5757 (def_builtin_1): New function.
5758 (c_common_nodes_and_builtins): Use def_builtin_1 to
5759 build builtin functions.
5761 2005-08-09 Jie Zhang <jie.zhang@analog.com>
5763 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
5764 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5765 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
5766 Visual DSP.
5768 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5770 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
5771 fold_binary instead of fold_build2 since we don't care about the
5772 resulting tree.
5773 (loop_niter_by_eval): Likewise.
5774 (compare_trees): Likewise.
5775 (proved_non_wrapping_p): Likewise.
5777 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5779 PR c/23161
5780 PR c/23165
5781 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5782 if the if is really empty.
5784 2005-08-09 Steven Bosscher <stevenb@suse.de>
5786 PR tree-optimization/23234
5787 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5788 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5789 argument of the new enum.
5790 (execute_cse_reciprocals): Add reciprocals for function arguments
5791 on the unique successor edge of the entry block. Update other calls
5792 to execute_cse_reciprocals_1.
5794 2005-08-08 Richard Henderson <rth@redhat.com>
5796 PR 22439
5797 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5799 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5801 * expr.c (write_complex_part): Return after handling MEM.
5803 2005-08-08 Josh Conner <jconner@apple.com>
5805 PR rtl-optimization/23241
5806 * combine.c (simplify_comparison): Fix error in determining
5807 whether to lift a subreg from comparison.
5809 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5811 PR target/18506
5812 * config/rs6000/altivec.md (vec_init<mode>): New.
5813 (vec_set<mode>): New.
5814 (vec_extract<mode>): New.
5815 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5816 (rs6000_expand_vector_set): New.
5817 (rs6000_expand_vector_extract): New.
5818 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5819 for Altivec modes before reload.
5820 (altivec_expand_vec_init_builtin): New.
5821 (get_element_number): New.
5822 (altivec_expand_vec_set_builtin): New.
5823 (altivec_expand_vec_ext_builtin): New.
5824 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5825 builtins.
5826 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5827 builtins.
5828 * config/rs6000/rs6000.h (rs6000_builtins): Add
5829 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5830 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5831 * config/rs6000/rs6000-protos.h: Declare new functions.
5833 2005-08-08 Jan Hubicka <jh@suse.cz>
5835 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5836 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5837 * i386.md (movdi*): Use pic_32bit_operand.
5838 * predicates.md (pic_32bit_operand): New.
5840 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5842 PR c++/21166
5843 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5845 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5847 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5848 (test_for_singularity): Use fold_build2.
5850 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5852 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5854 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5856 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5857 (COMMON_ASM_OP) Define.
5858 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5859 (ix86_encode_section_info): Likewise.
5860 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5861 SUBTARGET_ENCODE_SECTION_INFO.
5863 2005-08-06 Richard Henderson <rth@redhat.com>
5865 PR 21894
5866 * tree-nested.c (convert_local_reference): Save and restore val_only
5867 around component_ref and friends. Clear walk_subtrees by default.
5869 2005-08-06 Peter O'Gorman <peter@pogma.com>
5871 PR 21366
5872 * gcc.c (process_command): Check the argument to -b has a dash.
5873 * doc/invoke.texi: Update -b and -V docs.
5875 2005-08-06 James E Wilson <wilson@specifix.com>
5877 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5879 2005-08-06 Michael Matz <matz@suse.de>
5881 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5882 member only if only one insn is associated with the value.
5884 2005-08-06 Nick Clifton <nickc@redhat.com>
5886 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5887 New define.
5888 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5889 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5890 Check symbol flags instead of symbol name mangling.
5891 (xstormy16_asm_output_aligned_common): Likewise. Also
5892 simplify code since the bss100_section cass is the only case
5893 where the below100 code will be triggered.
5894 (xstormy16_encode_section_info): Encode below100 attribute
5895 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5896 the name.
5897 (xstormy16_strip_name_encoding): Delete - this function is no
5898 longer needed.
5899 (TARGET_STRIP_NAME_ENCODING): Undefine.
5900 * config/stormy16/stormy16-protos.h: Delete prototype for
5901 xstormy16_strip_name_encoding.
5903 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5905 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5906 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5907 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5908 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5909 config/alpha/predicates.md, config/arc/arc.h,
5910 config/arm/arm.h, config/arm/ieee754-df.S,
5911 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5912 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5913 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5914 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5915 config/m68hc11/m68hc11.h, config/mips/mips.c,
5916 config/mips/mips.h, config/mips/openbsd.h,
5917 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5918 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5919 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5920 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5921 config/sparc/linux.h, config/sparc/linux64.h,
5922 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5923 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5924 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5925 typos. Follow spelling conventions.
5927 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5929 PR c/23113
5930 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5931 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5932 specially. Check for side effects only for COND_EXPR.
5933 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5934 return with TREE_NO_WARNING.
5936 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5938 PR rtl-optimization/23233
5939 * loop.c (combine_movables): Require the modes to be the same.
5940 (move_movables): Remove handling of cases where the replacement
5941 had a different mode to the original.
5943 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5945 PR tree-optimization/23128
5946 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5947 subtraction wrap, and set TREE_OVERFLOW if they do.
5949 2005-08-05 Richard Henderson <rth@redhat.com>
5951 PR 21728
5952 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5953 FORCED_LABEL labels.
5955 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5957 PR middle-end/23135
5958 * reload.c (find_reloads_subreg_address): Pass down TYPE
5959 unchanged. Change all callers except find_reloads_toplev.
5961 2005-08-05 Michael Matz <matz@suse.de>
5963 * genattrtab.c (current_alternative_string): Remove.
5964 (SIMPLIFY_ALTERNATIVE): Ditto.
5965 (attr_alt_bit_p): Ditto.
5966 (alternative_name): Make const char *.
5967 (evaluate_eq_attr): Remove use of above things.
5968 (simplify_test_exp): Ditto.
5969 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5970 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5972 2005-08-04 James E Wilson <wilson@specifix.com>
5974 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5975 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5976 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5977 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5978 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5980 2005-08-04 Richard Henderson <rth@redhat.com>
5982 PR 21529
5983 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5984 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5985 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5986 if we'd have to instantiate too many members.
5988 2005-08-04 Richard Henderson <rth@redhat.com>
5990 PR 21291
5991 * tree-outof-ssa.c (coalesce_asm_operands): New.
5992 (coalesce_ssa_name): Use it. Split out ...
5993 (coalesce_phi_operands, coalesce_result_decls): ... these.
5995 2005-08-04 Paul Brook <paul@codesourcery.com>
5997 * read-rtl.c (read_quoted_string): Break if EOF.
5999 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6001 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6002 (fold_build2): Likewise.
6003 (fold_build3): Likewise.
6004 (fold_build1_stat): New function prototype.
6005 (fold_build2_stat): Likewise.
6006 (fold_build3_stat): Likewise.
6007 * fold-const.c (fold_build1): Rename to ..
6008 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6009 through to build1_stat.
6010 (fold_build2): Rename to ..
6011 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6012 through to build2_stat.
6013 (fold_build3): Rename to ..
6014 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6015 through to build3_stat.
6017 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6018 Ian Lance Taylor <ian@airs.com>
6020 * function.c (assign_stack_local_1): Do not correct stack slot
6021 address if allocation size is smaller than mode size.
6023 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6025 PR 22037
6026 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6027 (tree_merge_blocks): Propagate anything allowed by
6028 may_propagate_copy.
6029 Clarify documentation.
6030 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6031 SSA form, schedule an update if necessary.
6033 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6035 * doc/install.texi (Binaries): Remove broken link to
6036 Sinix/Reliant Unix binaries.
6038 2005-08-03 Richard Henderson <rth@redhat.com>
6040 PR 23221
6041 * function.c (stack_protect_epilogue): Export.
6042 * tree.h (stack_protect_epilogue): Declare.
6043 * calls.c (expand_call): Call it.
6045 2005-08-03 Eric Christopher <echristo@apple.com>
6047 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6048 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6049 spec.
6051 2005-08-04 Jan Hubicka <jh@suse.cz>
6053 * profile.c (branch_prob): Split edges with goto locus on them
6054 to get proper line counts.
6055 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6057 2005-08-03 Paul Brook <paul@codesourcery.com>
6059 * function.c (assign_parms): Round current_function_args_size
6060 to PARM_BOUNDARY, not STACK_BOUNDARY.
6062 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6064 * config/i386/i386.c (x86_elf_aligned_common)
6065 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6067 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6069 PR tree-optimization/23157
6070 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6071 before emitting them.
6073 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6075 PR tree-optimization/19899
6076 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6077 * tree-scalar-evolution.c: Include real.h.
6078 (add_to_evolution): Build constant -1 of correct type.
6080 2005-08-03 Jan Hubicka <jh@suse.cz>
6082 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6083 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6084 profile updating for complette unrolling.
6085 * loop-unroll.c (peel_loop_completely): Use it.
6086 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6087 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6088 loops.
6090 2005-08-03 Paul Brook <paul@codesourcery.com>
6092 * combine.c (can_change_dest_mode): New function.
6093 (try_combine, simplify_set): Use it.
6095 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6097 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6098 TFmode to BLKmode.
6100 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6102 * doc/install.texi (Specific): Adjust link to openavr.org.
6103 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6104 (Binaries): Adjust HP-UX Porting Center link.
6105 (Binaries): Adjust Free Software Foundation ordering link.
6107 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6109 * convert.c (convert_to_integer): Use fold_build1 instead of
6110 build1 when converting an integer to an integer.
6112 2005-08-02 Richard Henderson <rth@redhat.com>
6114 * combine.c (combine_instructions): Don't use reg_equal/equiv
6115 results if the mode doesn't match.
6117 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6119 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6120 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6122 2005-08-02 Richard Henderson <rth@redhat.com>
6124 PR 23196
6125 * explow.c (memory_address): Remove special-case for
6126 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6128 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6130 PR 23164
6131 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6132 number of calls to cleanup_tree_cfg_1.
6134 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6136 * doc/invoke.texi: document file extensions .F90 and .F95
6138 2005-08-02 Richard Guenther <rguenther@suse.de>
6140 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6141 positive if its first argument is positive.
6143 2005-08-02 Richard Guenther <rguenther@suse.de>
6145 PR tree-optimization/23177
6146 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6147 on TMR_TAG.
6149 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6151 PR tree-optimization/23129
6152 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6153 varying for divisions with anti-ranges.
6155 2005-08-02 Jan Hubicka <jh@suse.cz>
6157 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6158 * tree-ssa-threadupdate.c (thread_block): Add it here.
6160 2005-08-01 James E Wilson <wilson@specifix.com>
6162 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6163 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6164 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6165 New.
6166 * config/mips/predicates.md (const_call_insn_operand): Add check for
6167 SYMBOL_REF_LONG_CALL_P.
6168 * doc/extend.texi (long_call): Document the new attribute.
6170 2005-08-01 Ian Lance Taylor <ian@airs.com>
6171 Richard Henderson <rth@redhat.com>
6173 * Makefile.in (RTL_BASE_H): Add real.h.
6174 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6175 instead of memcpy.
6176 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6177 directly.
6178 * rtl.c (rtl_check_failed_code_mode): New.
6179 * rtl.h (struct rtx_def): Add u.rv.
6180 (XCMWINT, XCNMPRV): New.
6181 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6182 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6184 2005-08-01 Richard Henderson <rth@redhat.com>
6186 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6187 with auto-inc codes.
6189 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6191 2005-08-01 Jan Hubicka <jh@suse.cz>
6193 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6194 * i386.c: Include dwarf2.h
6195 (asm_preferred_eh_data_format): New.
6196 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6198 2005-08-01 Ian Lance Taylor <ian@airs.com>
6200 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6201 randomize_va_space for virtual address randomization control.
6203 2005-08-01 Steven Bosscher <stevenb@suse.de>
6205 * common.opt (flag_ipa_cp): Put in right place to maintain
6206 alphabetic sort.
6208 2005-08-01 Jan Hubicka <jh@suse.cz>
6210 * profile.c (compute_value_histograms): Fix thinko.
6211 * value-prof.c: Include toplev.h
6212 (check_counter): New function.
6213 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6214 tree_mod_subtract_transform): Add sanity check.
6216 2005-08-01 Richard Guenther <rguenther@suse.de>
6218 PR tree-optimization/23133
6219 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6220 current functions parameter decls to find defs to cse
6221 reciprocals of.
6223 2005-08-01 Richard Guenther <rguenther@suse.de>
6225 PR tree-optimization/23109
6226 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6227 If trapping math is in effect, use post-dominator information
6228 to check if we'd in any case reach a trapping point before
6229 doing the reciprocal insertion.
6230 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6231 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6232 expressions are invariant only if trapping math is not in effect.
6234 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6236 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6237 cgraph_function_versioning): New declarations.
6238 * cgraphunit.c: Add include to ipa-prop.h.
6239 (update_call_expr, cgraph_copy_node_for_versioning,
6240 cgraph_function_versioning): New functions.
6241 * integrate.c (copy_decl_for_inlining): Remove.
6242 * ipa-prop.h (ipa_replace_map): New struct.
6243 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6244 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6245 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6246 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6247 ipcp_iterate_stage, ipcp_method_scale_print,
6248 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6249 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6250 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6251 ipcp_update_bb_counts, ipcp_update_profiling,
6252 ipcp_update_edges_counts): New functions.
6253 (ipcp_method_cval_init): Remove restriction regarding local methods.
6254 (ipcp_init_stage): Add ipcp_method_compute_scale.
6255 (ipcp_insert_stage): Add versioning.
6256 (ipcp_structures_print): Add ipcp_method_scale_print.
6257 (ipcp_driver): Dump profiling info.
6258 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6259 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6260 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6261 (struct inline_data): Add versioning_p, ipa_info, new fields.
6262 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6263 declare_return_variable): Replace calls to copy_decl_for_inlining with
6264 copy_decl_for_dup.
6265 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6266 versioning support.
6267 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6268 Add argument VERSIONING.
6269 (copy_arguments_for_versioning, copy_static_chain,
6270 function_versionable_p, tree_versionable_function_p,
6271 tree_function_versioning, replace_ref_tree): New functions.
6272 * tree-inline.h: Include varray.h.
6273 (tree_versionable_function_p, tree_function_versioning,
6274 tree copy_decl_for_dup): New declarations.
6276 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6278 * ipa-cp.c: New file. Contains IPCP specific functionality.
6279 * ipa-prop.h: New file. Contains structures/definitions that can be
6280 used by several interprocedural data flow optimizations (and also IPCP).
6281 * ipa-prop.c: New file.
6282 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6283 * common.opt: Add ipa-cp flag.
6284 * timevar.def: Add IPCP optimization.
6285 * tree-optimize.c (init_tree_optimization_passes): Schedule
6286 pass_ipa_cp.
6287 * tree-pass.h (pass_ipa_cp): Declare.
6289 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6291 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6292 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6293 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6294 config/i386/i386.c, config/mips/mips.h,
6295 config/rs6000/rs6000.h, config/sh/sh.c,
6296 config/stormy16/stormy16.c: Fix comment typos.
6298 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6300 PR c/22311
6301 * c-typeck.c (build_binary_op): Use common_type wrapper on
6302 shortened types.
6303 (common_type): Update comment.
6305 2005-07-31 Steven Bosscher <stevenb@suse.de>
6307 PR target/23095
6308 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6309 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6310 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6312 2005-07-31 Jan Hubicka <jh@suse.cz>
6314 * pretty-print.h (pp_widest_integer): New macro.
6315 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6316 counts.
6318 2005-07-31 Jan Hubicka <jh@suse.cz>
6320 * output.h (enum section_category): Export from varasm.c
6321 (categorize_decl_for_section): Likewise.
6322 * varasm.c (enum section_category): Kill.
6323 (categorize_decl_for_section): Make global.
6324 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6325 Declare.
6326 * i386.c (ix86_section_threshold): New static variable.
6327 (ix86_in_large_data_p, ix86_encode_section_info,
6328 x86_64_elf_unique_section,
6329 x86_64_elf_select_section): New functions.
6330 (TARGET_ENCODE_SECTION_INFO): Define
6331 (override_options): Enable medium model for PIC.
6332 (ix86_expand_prologue): Expand gen_set_got_rex64.
6333 (legitimate_constant_p): Handle new UNSPECs.
6334 (legitimate_pic_address_disp_p): Likewise.
6335 (legitimize_pic_address): Lower MEDIUM model addressing.
6336 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6337 (enum cmodel): Add MEDIUM_PIC.
6338 (SYMBOL_REF_FAR_ADDR_P): New macro.
6339 (SYMBOL_FLAG_FAR_ADDR): New flag.
6340 * i386.md (movdi): Support medium model.
6341 (set_got_rex64): New pattern.
6342 * i386.opt (mlarge-data-threshold): New flag.
6343 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6344 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6345 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6346 TARGET_ASM_UNIQUE_SECTION): New.
6348 * invoke.texi (-mlarge_data_threshold): Document
6350 2005-07-31 Jan Hubicka <jh@suse.cz>
6352 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6353 (coalesce_vars): Likewise.
6354 * tree-ssa-live.c (coalesce_cost): New.
6355 (build_tree_conflict_graph): Use coalesce_cost.
6356 * tree-ssa-live.h (coalesce_cost): Declare.
6358 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6360 * arm.md (all peepholes for post-increment operations): Delete.
6361 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6362 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6363 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6364 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6365 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6367 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6369 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6370 non-integral types.
6372 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6374 PR target/22582
6375 * doc/invoke.texi: Document -rdynamic.
6377 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6379 PR c/23143
6380 * c-parser.c (c_parser_parms_list_declarator): Call
6381 mark_forward_parm_decls.
6382 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6383 decls with visibility structure.
6385 2005-07-30 Paul Brook <paul@codesourcery.com>
6387 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6389 2005-07-30 Paul Brook <paul@codesourcery.com>
6391 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6392 prototype.
6393 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6394 value for mode.
6395 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6397 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6399 PR c/529
6400 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6401 nested function declarators.
6402 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6403 (grokparms): Call warn_if_shadowing for parameters used within the
6404 parameter list.
6405 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6406 not used within the parameter list.
6407 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6409 2005-07-30 Jan Hubicka <jh@suse.cz>
6411 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6412 * i386.c (ix86_fixup_binary_operands): Likewise.
6413 (ix86_expand_unary_operator): Likewise.
6414 (ix86_expand_fp_absneg_operator): Likewise.
6415 * optabs.c (expand_vec_cond_expr): Validate dest.
6417 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6419 PR c/21720
6420 * real.c (real_from_string): Also set last bit if there is a
6421 nonzero hex digit beyond GCC's internal precision after ".".
6423 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6425 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6426 define_constants. Change duplicate values to unassigned numbers.
6427 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6428 (*altivec_vspltsf): New.
6429 (altivec_vperm_v4sf): Delete.
6430 (altivec_vperm_<mode>): Use mode macro V.
6431 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6432 (altivec_predicate_v4sf): Delete.
6433 (altivec_predicate_<mode>): Use mode macro V.
6434 (*altivec_lvesfx): New.
6435 (*altivec_stvesfx): New.
6436 (vec_realign_load_v4sf): Delete.
6437 (vec_realign_load_<mode>): Use mode macro V.
6438 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6439 UNSPECV_SET_VRSAVE.
6441 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6443 PR bootstrap/23131
6444 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6445 string.
6446 * configure: Regenerated.
6448 2005-07-29 Paul Brook <paul@codesourcery.com>
6450 * doc/install.texi: Add link to GFortran binaries wiki page.
6452 2005-07-29 David Ung <davidu@mips.com>
6454 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6455 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6456 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6457 * config/mips/mips.md (cpu): Add 5kf name.
6458 (includes): Includes 5k.md.
6459 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6460 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6461 -march flag.
6463 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6465 PR 22550
6466 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6467 (cleanup_tree_cfg): ... here.
6468 Call cleanup_tree_cfg_1 until there are no more cleanups to
6469 do.
6471 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6473 * tree-vrp.c (compare_range_with_value): Return true or false
6474 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6475 EQ_EXPR respectively.
6477 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6479 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6480 Fix comment typos.
6482 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6484 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6485 (tree_ssa_dominator_optimize): Increment it.
6486 (dump_dominator_optimization_stats): Print it.
6488 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6489 Steven Bosscher <stevenb@suse.de>
6491 PR rtl-optimization/23117
6492 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6493 when head == tail. Tidy comment.
6495 2005-07-28 Richard Henderson <rth@redhat.com>
6497 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6498 * cselib.c (rtx_equal_for_cselib_p): Likewise.
6499 * jump.c (rtx_renumbered_equal_p): Likewise.
6500 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
6501 CONST_INT and CONST_DOUBLE.
6502 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
6503 * reload.c (operands_match_p): Special case CONST_INT and
6504 CONST_DOUBLE; check mode earlier.
6506 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6508 PR c/22240
6509 * c-typeck.c (convert_for_assignment): Do not check
6510 DECL_IN_SYSTEM_HEADER on NULL fundecl.
6512 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6514 PR c/22192
6515 * c-typeck.c (composite_type): Prefer constant size arrays to
6516 VLAs.
6518 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6520 PR c/21720
6521 * real.c (real_from_string): Set last bit if there is a nonzero
6522 hex digit beyond GCC's internal precision.
6524 2005-07-28 Richard Henderson <rth@redhat.com>
6526 PR rtl-opt/22619
6527 * cfgcleanup.c (try_forward_edges): Watch out for end of
6528 insn chain.
6530 2005-07-28 James E Wilson <wilson@specifixinc.com>
6532 PR c/23106
6533 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
6535 2005-07-28 Jan Hubicka <jh@suse.cz>
6537 * Makefile.in (rtl-profile.o): Kill all traces of it.
6538 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
6539 * coverage.h (rtl_coverage_counter_ref): Kill.
6540 * opts.c (flag_speculative_prefetching_set): Kill.
6541 (flag_loop_optimize_set): New.
6542 (common_handle_option): Disable loop optimizer when profiling;
6543 do not handle speculative prefetching.
6544 * passes.c (init_optimization_passes): Replace pass_profiling combo
6545 by branch_prob pass.
6546 * profile.c (compute_value_histograms): Update for simplified value
6547 profiles.
6548 (rtl_register_profile_hooks): Kill.
6549 (pass_profiling): Kill.
6550 (rest_of_handle_branch_prob): Do not profile.
6551 * toplev.c (process_options): Remove speculative prefetching.
6552 * toplev.h (flag_tree_based_profiling): Kill.
6553 * tree-profile.c (prepare_instrumented_value,
6554 tree_gen_interval_profiler, tree_gen_pow2_profiler,
6555 tree_gen_one_value_profiler, do_tree_profiling): Update for
6556 simplified datastructures.
6557 * value-prof.c: Add comment that speculative prefetching was dropped;
6558 update rest of file for simplified datastructures.
6559 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
6560 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
6561 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
6562 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
6563 rtl_mod_subtract, gen_speculative_prefetch,
6564 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
6565 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
6566 (gate_handle_value_profile_transformations,
6567 rest_of_handle_value_profile_transformations,
6568 pass_value_profile_transformations): Kill.
6569 * value-prof.h (histogram_value_t): Remove IL based unions.
6570 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
6571 rtl_profile_hooks): Remove hooks.
6573 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
6575 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
6576 (cgraph_clone_node): Likewise.
6577 * cgraph.h (cgraph_clone_edge): Update prototype.
6578 (cgraph_clone_node): Likewise.
6579 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
6580 cgraph_clone_node.
6581 (lookup_recursive_calls): Consider profile.
6582 (cgraph_decide_recursive_inlining): Fix updating; use new
6583 probability argument; use profile.
6584 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
6585 * tree-inline.c (copy_bb): Update clal of clone_edge.
6586 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
6588 * invoke.texi (min-inline-recursive-probability): Document.
6590 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
6592 * doc/install.texi (Configuration): Update Valgrind homepage.
6594 2005-07-28 Richard Henderson <rth@redhat.com>
6596 PR middle-end/21362
6597 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
6598 labels we want to delete.
6599 (cfg_layout_merge_blocks): Likewise.
6601 2005-07-28 Richard Henderson <rth@redhat.com>
6603 PR target/17692
6604 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
6605 when expanding to nothing.
6607 2005-07-28 Josh Conner <jconner@apple.com>
6609 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
6610 (cgraph_decide_inlining_of_small_functions): Likewise.
6612 2005-07-28 Josh Conner <jconner@apple.com>
6614 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
6615 direction of badness if negative.
6616 (cgraph_default_inline_p): Add reason to parameters, and assign it
6617 a value.
6618 (cgraph_decide_inlining_of_small_functions): New parameter in call
6619 to cgraph_default_inline_p.
6620 (cgraph_decide_inlining_incrementally): Likewise.
6621 * cgraphunit.c (decide_is_function_needed): Likewise.
6622 * cgraph.h (cgraph_default_inline_p): Likewise.
6624 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6626 * builtins.c: Fix comment typo(s).
6627 * genautomata.c: Likewise.
6628 * gimplify.c: Likewise.
6629 * tree-dfa.c: Likewise.
6630 * tree-flow-inline.h: Likewise.
6631 * tree-into-ssa.c: Likewise.
6632 * tree-ssa-alias.c: Likewise.
6633 * tree-ssa-ccp.c: Likewise.
6634 * tree-ssa-copy.c: Likewise.
6635 * tree-ssa-dce.c: Likewise.
6636 * tree-ssa-dom.c: Likewise.
6637 * tree-ssa-operands.c: Likewise.
6638 * tree-tailcall.c: Likewise.
6639 * tree-vectorizer.c: Likewise.
6640 * tree-vrp.c: Likewise.
6641 * tree.c: Likewise.
6643 2005-07-28 Jeff Law <law@redhat.com>
6645 * tree-vrp.c (test_for_singularity): Extracted from ...
6646 (simplify_cond_using_ranges): Attempt to simplify a relational
6647 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
6649 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
6651 PR tree-optimization/22506
6652 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
6653 phis whose argument is constant.
6655 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
6657 PR rtl-optimization/18992
6658 Back out this patch:
6659 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6660 PR optimization/12142
6661 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
6662 uses of the register in the SET_SRC. Remove unnecessary argument.
6664 Replace it with this:
6665 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
6666 if flag_non_call_exceptions is set and the insn may trap, pass
6667 pc_rtx as dest for recursion.
6668 In SET_SRC part of SET case, if dest is already set, pass it down
6669 unchanged.
6671 2005-07-28 Jan Hubicka <jh@suse.cz>
6673 * cfg.c (update_bb_profile_for_threading): Use RDIV.
6674 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
6675 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
6676 roundoff errors.
6677 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
6678 profile when available.
6680 2005-07-28 Jan Beulich <jbeulich@novell.com>
6682 * config/ia64/ia64.c (ia64_load_pair_ok): New.
6683 (ia64_print_operand): Describe and handle 'X'.
6684 (ia64_register_move_cost): Also handle FP_REGS.
6685 (ia64_preferred_reload_class): Likewise.
6686 (ia64_secondary_reload_class): Likewise.
6687 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
6688 it. Also check for ITANIUM_CLASS_FLDP.
6689 * config/ia64/ia64.h (FP_REGNO_P): New.
6690 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
6691 (reg_class): Add FP_REGS.
6692 (REG_CLASS_NAMES): Adjust for it.
6693 (REG_CLASS_CONTENTS): Likewise.
6694 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
6695 (REG_CLASS_FROM_LETTER): Handle 'x'.
6696 (CLASS_MAX_NREGS): Handle FP_REGS.
6697 (MEMORY_MOVE_COST): Likewise.
6698 * config/ia64/ia64.md (itanium_class): Add fldp.
6699 (type): Handle fldp.
6700 (movti_internal): More allowable operand combinations. Use ldfp8 when
6701 splitting unnecessary. Remove predicable attribute. Adjust
6702 itanium_class attribute.
6703 (smuldi3_highpart): Remove outdated comment.
6704 (mulditi3, umulditi3, rotlti3): New expanders.
6705 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
6706 (absti2): Disabled new insn for future reference.
6707 Respective new splitters.
6708 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
6709 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
6710 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
6712 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
6714 PR rtl-optimization/23047
6715 * simplify-rtx.c (simplify_const_relational_operation): Respect
6716 flag_wrapv for comparisons with ABS.
6718 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
6720 PR tree-optimization/22493
6721 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
6722 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
6724 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
6726 * config/frv/frv.opt (moptimize-membar): New.
6728 * doc/invoke.texi: Document -moptimize-membar and its inverse.
6730 * config/frv/frv.h: Remove machine_function definition.
6732 * config/frv/frv.c (struct frv_io): New.
6733 (struct machine_function): Moved from frv.h. Add has_membar_p.
6734 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
6735 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
6736 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
6737 (frv_optimize_membar_global, frv_optimize_membar): New functions.
6738 (frv_reorg): Call frv_optimize_membar when appropriate.
6739 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
6740 (frv_expand_builtin): Adjust calls accordingly.
6741 (frv_io_address_cookie): New function.
6742 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
6743 load or store rather than a special insn. Add ccnstant address and
6744 io-type operands to the membar.
6745 (frv_ifcvt_modify_tests): Unsign regno.
6746 (frv_ifcvt_modify_tests): Same.
6748 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
6749 UNSPEC_OPTIONAL_MEMBAR constant.
6750 (builtin_read_<mode>): Delete.
6751 (builtin_write_<mode>): Delete.
6752 ("optional_membar_<mode>"): Add operand.
6754 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
6755 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
6756 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
6757 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
6758 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
6759 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
6760 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
6761 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
6762 * testsuite/gcc.target/frv/all-read-write-1.c: New.
6764 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
6766 * df.c (df_uses_record): Handle SCRATCH.
6768 2005-07-28 Steven Bosscher <stevenb@suse.de>
6770 PR debug/20161
6771 * passes.c (rest_of_decl_compilation): If decl is a type and
6772 we have encountered errors, don't emit debug information.
6774 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6776 * params.def: Fixed comment.
6778 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6780 PR target/19885
6781 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6782 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6783 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6785 2005-07-27 Steven Bosscher <stevenb@suse.de>
6787 PR c++/22003
6788 * varasm.c (assemble_start_function): Don't do anything that may
6789 require a CFG if the current function is a thunk.
6791 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6793 * doc/install.texi (Prerequisites): Mention that perl is needed
6794 to do export control in libstdc++ targetting Darwin.
6796 2005-07-27 Steven Bosscher <stevenb@suse.de>
6798 PR rtl-optimization/17808
6799 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6800 (sched_insns_conditions_mutex_p): Split out from...
6801 (add_dependence): ...here. But don't call it from here.
6802 (add_dependence_list): Check sched_insns_conditions_mutex_p
6803 before calling add_dependence.
6804 (add_dependence_list_and_free): Likewise.
6805 (fixup_sched_groups): Likewise.
6806 (sched_analyze_1): Likewise.
6807 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6808 (sched_analyze): Likewise.
6809 (sched_analyze_insn): Likewise.
6810 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6811 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6812 dependencies on all COND_EXEC insns to jumps ending basic blocks
6813 when doing intrablock scheduling.
6814 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6816 2005-07-27 Jeff Law <law@redhat.com>
6818 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6819 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6820 equivalency sets, correctly handle the case were vr0 has an
6821 equivalency set, but vr1 does not.
6823 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6825 PR tree-optimization/23073
6826 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6827 vect_print_dump_info before fprintf.
6829 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6831 PR tree-optimize/22348
6832 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6833 Fold the partial computation.
6835 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6837 PR tree-optimization/22325
6838 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6839 Declare.
6840 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6841 value replacement.
6842 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6843 (force_var_cost): ... this function.
6844 (compute_phi_arg_on_exit): Export.
6846 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6848 PR tree-optimization/20773
6849 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6850 edge.
6852 2005-07-27 Richard Guenther <rguenther@suse.de>
6854 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6855 Avoid pushing again if current struct contains only
6856 fields we decomposed.
6858 2005-07-27 Jan Hubicka <jh@suse.cz>
6860 PR tree-optimization/22574
6861 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6862 not available.
6864 * tree-tailcall.c (decrease_profile): New function.
6865 (eliminate_tail_call): Use it.
6867 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6868 visibility flags correctly in whole program mode.
6870 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6872 PR rtl-optimization/22472
6873 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6875 2005-07-26 Steven Bosscher <stevenb@suse.de>
6877 PR tree-optimization/22504
6878 * tree-complex.c (expand_complex_addition): Use 'code' instead
6879 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6881 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6883 * config.gcc (cpu_type): Add frv case.
6884 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6885 (supported_defaults): Add fr550 case.
6887 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6889 PR 22591
6890 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6891 whether a pointer of type T * may point to objects of type T *.
6893 2005-07-26 DJ Delorie <dj@redhat.com>
6895 * configure: Regenerate.
6897 2005-07-26 Dale Johannesen <dalej@apple.com>
6899 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6901 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6903 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6904 Clarify use of "build" in name.
6906 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6908 * doc/extend.texi (Raw read/write Functions): New section.
6909 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6910 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6911 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6912 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6913 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6914 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6915 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6916 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6917 * config/frv/frv.c: Add bdesc_loads global.
6918 Add bdesc_stores global.
6919 (frv_init_builtins): Add support for __builtin_{read/write}*.
6920 (frv_volatile_memref): New.
6921 (frv_expand_load_builtin): New.
6922 (frv_expand_store_builtin): New.
6923 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6924 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6925 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6926 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6927 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6928 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6929 (builtin_read_<mode>): New.
6930 (builtin_write_<mode>): New.
6931 (builtin_write64): New.
6932 (optional_membar_<mode>): New.
6934 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6936 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6937 (rather than units) against HOST_BITS_PER_WIDE_INT.
6939 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6941 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6942 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6943 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6944 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6945 FSF address.
6947 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6948 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6949 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6950 comment typos.
6951 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6953 2005-07-26 Richard Guenther <rguenther@suse.de>
6955 PR tree-optimization/22486
6956 * fold-const.c (fold_unary): Fold away useless component
6957 references of the form (T *)&T.x, if the address
6958 doesn't change.
6960 2005-07-25 James E Wilson <wilson@specifixinc.com>
6962 * dwarf2out.c (add_call_src_coords_attributes): New.
6963 (gen_inlined_subroutine_die): Call it.
6964 (maybe_emit_file, init_file_table): Add comments.
6965 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6966 maybe_emit_file.
6967 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6968 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6969 * tree.h (BLOCK_SOURCE_LOCATION): New.
6970 (struct tree_block): New field locus.
6972 2005-07-26 Andreas Schwab <schwab@suse.de>
6974 PR rtl-optimization/23043
6975 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6976 when allocating a struct unoccr.
6978 2005-07-25 Richard Henderson <rth@redhat.com>
6980 PR 22626
6981 * tree-complex.c (gate_no_optimization): True if errors.
6982 * Makefile.in (tree-complex.o): Update dependencies.
6984 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6986 * config/frv/predicates.md (integer_register_operand): Use
6987 GPR_AP_OR_PSEUDO_P.
6989 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6991 PR tree-opt/22484
6992 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6993 after fold.
6994 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6996 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6998 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6999 types when flag_unsafe_math_optimizations is true.
7001 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7003 * gcc.c (option_map): Add --sysroot.
7004 (process_command): Handle --sysroot.
7005 (display_help): Document it.
7006 * doc/cppopts.tex (-isysroot): Document.
7007 * doc/invoke.texi (--sysroot): Document.
7008 * doc/install.texi (--with-build-sysroot): Document.
7010 * Makefile.in (inhibit_libc): New variable.
7011 (INHIBIT_LIBC_CFLAGS): Likewise.
7012 (LIBGCC2_CFLAGS): Include
7013 $(INHIBIT_LIBC_CFLAGS).
7014 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7015 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7016 ($(T)crtend.o): Likewise.
7017 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7018 ($(T)crtendS.o): Likewise.
7019 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7020 ($(T)crtendT.o): Likewise.
7021 (stmp-fixinc): Do not complain about missing headers if
7022 inhibit_libc.
7023 * configure.ac (inhibit_libc): Set it to true/false.
7024 (--with-build-sysroot): New option. Use it to set
7025 SYSTEM_HEADER_DIR.
7026 * configure: Regenerated.
7028 2005-07-25 Manfred Hollstein <mh@suse.com>
7030 * calls.c (store_one_arg): Fix unsigned comparison warning.
7032 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7034 PR other/22337
7035 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7036 (ggc_print_statistics): Initialize variable before use.
7038 2005-07-25 Richard Guenther <rguenther@suse.de>
7040 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7041 calling with a PHI_NODE argument.
7043 * tree-flow-inline.h (overlap_subvar): Protect against
7044 possible overflow.
7046 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7048 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7049 * configure: Regenerate.
7051 2005-07-25 Ira Rosen <irar@il.ibm.com>
7053 * expr.c (highest_pow2_factor): Make extern.
7054 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7055 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7056 record_array_differ_p, array_ptr_differ_p): Likewise.
7057 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7058 additional cases. Call the above functions.
7059 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7060 base_object_differ_p when there are two base objects. Otherwise, compare
7061 base address and offset. Call may_alias_p.
7062 (dump_data_reference): Use a correct field name.
7063 (analyze_array): Make static. Initialize new data-ref fields.
7064 (analyze_indirect_ref): New function.
7065 (init_data_ref): Initialize new data-ref fields.
7066 (strip_conversion): Moved from tree-vect-analyze.c.
7067 (analyze_offset_expr, get_ptr_offset, address_analysis,
7068 object_analysis): Likewise.
7069 (analyze_offset): New function.
7070 (create_data_ref): Likewise.
7071 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7072 dimensions for ARRAY_REFs only.
7073 (build_classic_dist_vector): Make static.
7074 (access_functions_are_affine_or_constant_p): Call macro to get the
7075 address of access functions.
7076 (compute_all_dependences): Add new parameter
7077 compute_self_and_read_read_dependences. Compute self and read-read
7078 dependences if it is true.
7079 (find_data_references_in_loop): Call create_data_ref. Initialize new
7080 data-ref fields.
7081 (compute_data_dependences_for_loop): Add new parameter
7082 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7083 compute nb_loops. Call compute_all_dependences,
7084 build_classic_dist_vector and build_classic_dir_vector with correct
7085 parameters.
7086 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7087 with correct parameters. Compare dimensions for ARRAY_REFs only.
7088 (free_data_refs): Call macro to free access functions.
7089 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7090 fields from stmt_vinfo.
7091 (struct base_object_info): New structure.
7092 (struct data_reference): Move fields to base_object_info. Add fields
7093 first_location and object_info for above structures. Move fields from
7094 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7095 aligned_to. Add macros to access the new fields.
7096 Update functions declarations.
7097 * tree-flow.h (is_aliased_with): Declare.
7098 * tree-loop-linear.c (linear_transform_loops): Call
7099 compute_data_dependences_for_loop with correct parameters.
7100 * tree-ssa-alias.c (is_aliased_with): New function.
7101 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7102 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7103 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7104 vect_base_addr_differ_p, compute_subscript_distance and
7105 build_classic_dist_vector. Add printings. Check absolute value of
7106 distance.
7107 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7108 data-refs.
7109 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7110 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7111 to bytes. Add printing.
7112 (vect_compute_data_refs_alignment): Go through loads and stores in one
7113 loop.
7114 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7115 vect_analyze_data_ref_access): Likewise.
7116 (vect_analyze_pointer_ref_access): Remove.
7117 (vect_address_analysis, vect_object_analysis): Likewise.
7118 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7119 and analyze data-refs in the loop.
7120 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7121 fields of data-ref instead of stmt. Add init to the offset from the
7122 base.
7123 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7124 (vect_update_init_of_dr): Likewise.
7125 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7126 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7127 removed fields.
7128 (new_loop_vec_info): Initialize new fields.
7129 (destroy_loop_vec_info): Free new fields.
7130 (vect_strip_conversion): Remove.
7131 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7132 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7133 datarefs. Add new field ddrs.
7134 Add macros for the new fields access.
7135 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7136 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7137 Remove their macros.
7138 * tree.h (highest_pow2_factor): Declare.
7140 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7142 * calls.c (store_one_arg): Check for sibling call MEM arguments
7143 from already clobbered incoming argument area.
7145 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7147 * c-common.c (check_missing_format_attribute): New.
7148 * c-common.h (check_missing_format_attribute): Likewise.
7149 * c-typeck.c (convert_for_assignment): Use it.
7151 2005-07-24 Andreas Schwab <schwab@suse.de>
7153 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7154 register use a word move. Correct operand of ext.w in 68000 code.
7156 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7158 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7159 variables as declarations, rather than definitions.
7161 2005-07-24 Ira Rosen <irar@il.ibm.com>
7163 PR tree-optimization/22526
7164 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7165 of the zero node.
7167 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7169 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7170 that C99 reserve for future use. Use it to define clog10,
7171 clog10f and clog10l.
7173 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7175 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7176 * configure.ac: Check for -Wmissing-format-attribute.
7178 * configure: Regenerate.
7180 2005-07-23 Richard Henderson <rth@redhat.com>
7182 PR tree-optimization/22623
7183 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7185 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7187 PR target/22577
7188 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7190 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7192 * Makefile.in (C_TREE_H): Update dependencies.
7193 * c-tree.h: Include toplev.h.
7194 * diagnostic.h (diagnostic_set_info): Add format attribute.
7195 * rtl-error.c (diagnostic_for_asm): Likewise.
7197 2005-07-23 Chao-ying Fu <fu@mips.com>
7199 * config/mips/mips-dsp.md: New file.
7200 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7201 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7202 functions.
7203 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7204 MIPS_BUILTIN_BPOSGE32.
7205 (mips_expand_builtin_direct): Add one parameter to indicate that
7206 builtin functions need to return a value.
7207 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7208 functions.
7209 (mips_regno_to_class): Add classes for 12 new DSP registers.
7210 (mips_subword): Change to check four HI registers.
7211 (mips_output_move): Output move to and from 6 new DSP accumulators.
7212 (override_options): Make sure -mdsp and -mips16 are not used together.
7213 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7214 for machine modes.
7215 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7216 when !TARGET_DSP.
7217 (print_operand): Add 'q' for printing DSP accumulators.
7218 (mips_cannot_change_mode_class): Check ACC_REGS.
7219 (mips_secondary_reload_class): Check ACC_REGS.
7220 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7221 (mips_register_move_cost): Check ACC_REGS.
7222 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7223 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7224 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7225 (dsp_bdesc): New array.
7226 (bdesc_arrays): Add DSP builtin function table.
7227 (mips_prepare_builtin_arg): Check predicate again after
7228 copy_to_mode_reg.
7229 (mips_expand_builtin): Add one more parameter to
7230 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7231 MIPS_BUILTIN_BPOSGE32.
7232 (mips_init_builtins): Initialize new function types.
7233 (mips_expand_builtin_direct): Check if builtin functions need to
7234 return a value and pass operands properly.
7235 (mips_expand_builtin_bposge): New function.
7236 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7237 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7238 (FIRST_PSEUDO_REGISTER): Increase to 188.
7239 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7240 Update for 12 new DSP registers.
7241 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7242 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7243 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7244 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7245 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7246 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7247 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7248 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7249 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7250 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7251 (REGISTER_NAMES): Add names for 12 new DSP registers.
7252 * config/mips/mips.md: Include mips-dsp.md.
7253 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7254 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7255 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7256 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7257 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7258 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7259 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7260 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7261 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7262 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7263 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7264 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7265 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7266 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7267 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7268 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7269 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7270 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7271 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7272 (UNSPEC_RDDSP): New constants.
7273 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7274 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7275 A<-d alternative.
7276 * config/mips/mips.opt (-mdsp): New option.
7277 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7278 (reg_imm10_operand): New predicates.
7279 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7280 * doc/invoke.texi (-mdsp): Document new option.
7282 2005-07-22 DJ Delorie <dj@redhat.com>
7284 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7285 to warning calls.
7286 * tree-inline.c (inlinable_function_p): Likewise.
7288 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7290 PR debug/21828
7291 * toplev.c (check_global_declarations): Do not mark undefined
7292 variables as DECL_IGNORED_P.
7293 * varasm.c (first_global_object_name): GTY it.
7294 (weak_global_object_name): Likewise.
7295 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7296 a string to go into {weak,first}_global_object_name.
7298 2005-07-22 DJ Delorie <dj@redhat.com>
7300 * c-format.c (check_function_format): Change warning control
7301 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7303 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7305 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7306 &PTR->FLD a dereference of PTR.
7307 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7308 a potential dereference of PTR.
7310 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7312 PR rtl-optimization/20370
7313 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7314 call allocate_reg_info if necessary.
7316 PR rtl-optimization/21848
7317 * calls.c (emit_library_call_value_1): For const functions, add
7318 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7320 PR rtl-optimization/22445
7321 * cselib.c (target.h): Include.
7322 (rtx_equal_for_cselib_p): Allow commutative matches.
7323 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7324 Remove MODE parameter. Changed all callers.
7326 PR rtl-optimization/22258
7327 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7328 New functions.
7329 (try_combine): Use likely_spilled_retval_p.
7331 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7333 * config.gcc: Add crx-elf support.
7335 * doc/contrib.texi: Mention crx.
7336 * doc/extend.texi: Document crx extensions.
7337 * doc/install.texi: Document crx install.
7338 * doc/invoke.texi: Document crx options.
7339 * doc/md.texi: Document crx constraints.
7341 * config/crx/crx-protos.h: New file.
7342 * config/crx/crx.c: New file.
7343 * config/crx/crx.h: New file.
7344 * config/crx/crx.md: New file.
7345 * config/crx/crx.opt: New file.
7346 * config/crx/t-crx: New file.
7348 2005-07-22 Manfred Hollstein <mh@suse.com>
7350 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7351 warnings.
7352 (int_add_graph_edge): Likewise.
7353 (collapse_nodes): Likewise.
7354 (process_unification_queue): Likewise.
7356 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7357 Laurent GUERBY <laurent@guerby.net>
7359 PR tree-optimization/22336
7360 * function.c (record_block_change): Check for
7361 cfun->ib_boundaries_block.
7363 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7365 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7366 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7368 2005-07-21 DJ Delorie <dj@redhat.com>
7370 * toplev.c (warn_deprecated_use): Add warning control to warning
7371 call.
7372 * c-typeck.c (parser_build_binary_op): Likewise.
7373 (c_finish_if_stmt): Likewise.
7374 * c-common.c (check_function_sentinel): Likewise.
7375 (check_nonnull_arg): Likewise.
7377 2005-07-21 Richard Henderson <rth@redhat.com>
7379 PR tree-opt/22504
7380 * tree-complex.c (complex_ssa_name_components): New.
7381 (cvc_lookup): Allow entry not found.
7382 (create_components): Remove.
7383 (create_one_component_var, get_component_var): New.
7384 (get_component_ssa_name, set_component_ssa_name): New.
7385 (extract_component): Use get_component_ssa_name.
7386 (update_complex_components): Use set_component_ssa_name.
7387 (update_complex_components_on_edge): Likewise.
7388 (update_phi_components): Create new PHI nodes directly, instead
7389 of adding insns to edges.
7390 (tree_lower_complex): Allocate and free complex_variable_components
7391 and complex_ssa_name_components here.
7393 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7395 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7396 revert to returning false.
7398 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7400 PR target/21149
7401 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7403 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7405 PR target/22576
7406 * config/i386/i386.md (cmpxf): Change operand constraints
7407 to "nonmemory_operand".
7409 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7411 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7413 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7415 PR middle-end/21180
7416 * fold-const.c (fold_build1): Add checksum for the operands.
7417 (fold_build2): Likewise.
7418 (fold_build3): Likewise.
7420 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7422 PR middle-end/19055
7423 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7425 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7427 * common.opt (-fforward-propagate): Committed by mistake,
7428 removed.
7430 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7432 * reg-stack.c: Fix comment typo(s).
7433 * tree-ssa-operands.c: Likewise.
7434 * tree-vectorizer: Likewise.
7436 2005-07-21 Nick Clifton <nickc@redhat.com>
7438 * config/sh/symbian.c: Replace C++ style line comments with C
7439 style line comments.
7440 (symbian_add_attribute): Do not use a ? operator on the LHS of
7441 an assignment.
7442 (sh_symbian_handle_dll_attribute): Change the type of the
7443 method vector to "VEC(tree,gc)*" and use vector accessor
7444 macros to walk over the elements.
7445 (symbian_export_vtable_and_rtti_p): Likewise.
7446 (symbian_class_needs_attribute_p): Likewise.
7448 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7450 PR target/22085
7451 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7452 initialize targetm.resolve_overloaded_builtin here.
7453 (altivec_expand_overloaded_builtin): Make it non-static.
7454 * config/rs6000/rs6000-protos.h
7455 (altivec_expand_overloaded_builtin): New prototype.
7456 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7457 targetm.resolve_overloaded_builtin here.
7458 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7460 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7461 Zdenek Dvorak <dvorakz@suse.cz>
7463 PR tree-optimization/19210
7464 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7465 New.
7466 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7467 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7468 rely on unproven assumptions.
7469 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7470 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7471 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7472 to number_of_iterations_exit.
7473 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7474 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7475 * tree-ssa-loop-niter.c (find_loop_niter,
7476 estimate_numbers_of_iterations_loop): Likewise.
7477 (number_of_iterations_exit): Honor the new options.
7478 * doc/invoke.texi (Wunsafe-loop-optimizations,
7479 funsafe-loop-optimizations): Document them.
7481 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7483 PR rtl-optimization/22167
7484 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7486 2005-07-20 Adam Nemet <anemet@lnxw.com>
7488 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7489 __do_global_dtors_aux longcall.
7491 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7493 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7494 (old_special_pred_table): Don't reference
7495 SPECIAL_MODE_PREDICATES.
7496 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7497 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7498 * config/sh/predicates.h: Don't mention
7499 SPECIAL_MODE_PREDICATES.
7500 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7501 Remove.
7503 2005-07-20 DJ Delorie <dj@redhat.com>
7505 * config.gcc: Add m32c-elf support.
7507 * doc/contrib.texi: Mention m32c.
7508 * doc/extend.texi: Document m32c extensions.
7509 * doc/install.texi: Mention m32c.
7510 * doc/invoke.texi: Document m32c options.
7511 * doc/md.texi: Document m32c constraints.
7513 * config/m32c/addsub.md: New file.
7514 * config/m32c/bitops.md: New file.
7515 * config/m32c/cond.md: New file.
7516 * config/m32c/jump.md: New file.
7517 * config/m32c/m32c-lib1.S: New file.
7518 * config/m32c/m32c-lib2.c: New file.
7519 * config/m32c/m32c-modes.def: New file.
7520 * config/m32c/m32c-pragma.c: New file.
7521 * config/m32c/m32c-protos.h: New file.
7522 * config/m32c/m32c.abi: New file.
7523 * config/m32c/m32c.c: New file.
7524 * config/m32c/m32c.h: New file.
7525 * config/m32c/m32c.md: New file.
7526 * config/m32c/m32c.opt: New file.
7527 * config/m32c/minmax.md: New file.
7528 * config/m32c/mov.md: New file.
7529 * config/m32c/muldiv.md: New file.
7530 * config/m32c/predicates.md: New file.
7531 * config/m32c/prologue.md: New file.
7532 * config/m32c/shift.md: New file.
7533 * config/m32c/t-m32c: New file.
7535 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7537 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7538 (stack_protect_set, stack_protect_test): New expanders.
7539 (stack_protect_set_si, stack_protect_set_si_media,
7540 stack_protect_set_di_media, stack_protect_test_si,
7541 stack_protect_test_si_media, stack_protect_test_di_media):
7542 New insns.
7544 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
7546 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
7548 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
7550 * tree.h (tree_expr_nonzero_p): Export.
7551 * fold-const.c (tree_expr_nonzero_p): Likewise.
7552 Return true for CALL_EXPRs that are alloca calls.
7553 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
7554 against zero.
7555 * tree-flow.h (expr_computes_nonzero): Remove.
7556 * tree-vrp.c (expr_computes_nonzero): Remove.
7557 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
7558 (extract_range_from_unary_expr): Likewise.
7559 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
7560 tree_expr_nonzero_p.
7562 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
7564 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
7565 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
7566 extra arg "picreg" and use it instead of pic_offset_table_rtx.
7567 All callers changed.
7568 (frame_related_constant_load): New arg "related" which controls
7569 setting of RTX_FRAME_RELATED_P. All callers changed.
7570 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
7571 (bfin_expand_prologue): Add stack limit checking.
7572 * config/bfin/bfin.md (trapifcc): New pattern.
7574 * config/bfin/bfin.c: Include "langhooks.h".
7575 (def_builtin): Go through lang_hooks to call builtin_function.
7577 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
7578 * config/bfin/predicates.md (symbol_ref_operand): New.
7579 (call_insn_operand): Delete. All callers changed to use
7580 register_no_elim_operand.
7581 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
7582 call_cookie field.
7583 (function_arg): Use it to generate the call's operand 2.
7584 (bfin_longcall_p): New function.
7585 (bfin_expand_call): Extra arg "cookie". All callers and declaration
7586 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
7587 determine if the address needs to be in a REG.
7588 (bfin_handle_longcall_attribute): New function.
7589 (bfin_attribute_table): Add "longcall" and "shortcall".
7590 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
7591 (CUMULATIVE_ARGS): New member call_cookie.
7592 (PREDICATE_CODES): Add symbol_ref_operand.
7593 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
7594 extra USE to the pattern.
7595 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
7596 New patterns, split off call_insn, sibcall_insn, call_value_insn and
7597 sibcall_value_insn; now the new patterns handle direct calls and the
7598 old ones indirect calls.
7599 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
7601 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
7603 * doc/trouble.texi: Update section on handling of empty loops.
7605 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
7607 * config.gcc: Remove support for sparc-*-openbsd*,
7608 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
7609 ns32k-*-netbsd*.
7610 * config.host: Remove support for i860-*-sysv4* as a host.
7611 * config/i860/*, config/ip2k/*, config/ns32k/*,
7612 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
7613 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
7614 mention obsolete ports.
7616 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
7618 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
7619 soft frame pointer.
7620 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
7621 of frame_pointer_rtx.
7622 (sh_expand_epilogue): Likewise.
7623 (sh_set_return_address): Likewise.
7624 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
7625 instead of FRAME_POINTER_REGNUM if needed. Add elimination
7626 offsets from FRAME_POINTER_REGNUM.
7627 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
7628 (sh_register_names): Add initializer for sfp.
7629 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
7630 (VALID_REGISTER_P): Likewise.
7631 (FIRST_PSEUDO_REGISTER): Update.
7632 (DWARF_FRAME_REGISTERS): Define.
7633 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
7634 (HARD_FRAME_POINTER_REGNUM): Define.
7635 (FRAME_POINTER_REGNUM): Redefine.
7636 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
7637 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
7638 from FRAME_POINTER_REGNUM.
7639 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
7640 FRAME_POINTER_REGNUM.
7641 (REG_CLASS_CONTENTS): Add sfp.
7642 (REG_ALLOC_ORDER): Likewise.
7643 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
7644 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
7645 of frame_pointer_rtx.
7646 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
7648 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
7650 * fold-const.c (tree_expr_nonnegative_p): Only return true for
7651 ABS_EXPR when flag_wrapv is false because of INT_MIN.
7652 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
7653 of an ABS_EXPR.
7654 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
7655 ABS_EXPR<x>.
7657 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
7659 Make CONSTRUCTOR use VEC to store initializers.
7660 * c-common.c (complete_array_type): Update to cope with VEC in
7661 CONSTRUCTOR_ELTS.
7662 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
7663 (pp_c_constructor_elts): New function.
7664 * c-pretty-print.h (pp_c_constructor_elts): Declare.
7665 * c-typeck.c (build_function_call, build_c_cast, digest_init,
7666 struct constructor_stack, struct initializer_stack,
7667 constructor_elements, push_init_level, pop_init_level,
7668 add_pending_init, find_init_member, output_init_element): Update to
7669 cope with VEC in CONSTRUCTOR_ELTS.
7670 * coverage.c (build_fn_info_value, build_ctr_info_value,
7671 build_gcov_info): Likewise.
7672 * expr.c (categorize_ctor_elements_1, store_constructor,
7673 expand_expr_real_1): Likewise.
7674 * fold-const.c (fold_ternary): Likewise.
7675 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
7676 gimplify_init_constructor, gimplify_expr): Likewise.
7677 * tree-dump.c (dequeue_and_dump): Likewise.
7678 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
7679 node.
7680 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
7681 CONSTRUCTOR_ELTS.
7682 * tree-sra.c (generate_element_init_1): Likewise.
7683 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
7684 * tree-ssa-operands.c (get_expr_operands): Likewise.
7685 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
7686 * tree-vect-transform.c (vect_get_vec_def_for_operand):
7687 (get_initial_def_for_reduction): Likewise.
7688 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
7689 value handle in annotations.
7690 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
7691 tree_node_structure): Add support for constr_kind.
7692 (build_vector_from_ctor, build_constructor_single,
7693 build_constructor_from_list): New functions.
7694 (build_constructor): Update to take a VEC instead of a TREE_LIST.
7695 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
7696 Update to cope with VEC in CONSTRUCTOR_ELTS.
7697 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
7698 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
7699 CONSTRUCTOR_APPEND_ELT): New macros.
7700 (struct constructor_elt, struct tree_constructor): New data types.
7701 (union tree_node): Add tree_constructor field.
7702 * treestruct.def: Define TS_CONSTRUCTOR.
7703 * varasm.c (const_hash_1, compare_constant, copy_constant,
7704 compute_reloc_for_constant, output_addressed_constants,
7705 initializer_constant_valid_p, output_constant,
7706 array_size_for_constructor, output_constructor): Update to cope with
7707 VEC in CONSTRUCTOR_ELTS.
7708 * vec.h (VEC_empty, VEC_copy): New macros.
7710 2005-07-19 Devang Patel <dpatel@apple.com>
7712 * dbxout.c (dbxout_type): Check Objective-C++ lang.
7714 2005-07-19 Richard Henderson <rth@redhat.com>
7716 PR tree-opt/22278
7717 * gimplify.c (gimplify_expr): Use main variant type for the temp
7718 destination for a discarded volatile read.
7719 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
7720 casts between non-void types that change volatility.
7722 2005-07-15 DJ Delorie <dj@redhat.com>
7724 * toplev.h: Add comment about the first parameter for warning().
7725 * errors.h: Likewise.
7727 * c.opt (Wpragmas): New.
7728 * doc/invoke.texi: Document it.
7730 * function.c (do_warn_unused_parameter): Add warning control to
7731 warning call.
7732 * c-decl.c (warn_if_shadowing): Likewise.
7733 * c-lex.c (cb_def_pragma): Likewise.
7734 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
7735 (pop_alignment): Likewise.
7736 (handle_pragma_pack): Likewise.
7737 (apply_pragma_weak): Likewise.
7738 (handle_pragma_weak): Likewise.
7739 (handle_pragma_redefine_extname): Likewise.
7740 (add_to_renaming_pragma_list): Likewise.
7741 (handle_pragma_extern_prefix): Likewise.
7742 (maybe_apply_renaming_pragma): Likewise.
7743 (handle_pragma_visibility): Likewise.
7745 * config/c4x/c4x-c.c (BAD): Likewise.
7746 (c4x_parse_pragma): Likewise.
7747 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
7748 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
7749 (rs6000_pragma_longcall): Likewise.
7750 * config/v850/v850-c.c (pop_data_area): Likewise.
7751 (ghs_pragma_section): Likewise.
7752 (ghs_pragma_section): Likewise.
7753 (ghs_pragma_interrupt): Likewise.
7754 (ghs_pragma_starttda): Likewise.
7755 (ghs_pragma_startsda): Likewise.
7756 (ghs_pragma_startzda): Likewise.
7757 (ghs_pragma_endtda): Likewise.
7758 (ghs_pragma_endsda): Likewise.
7759 (ghs_pragma_endzda): Likewise.
7761 2005-07-19 Danny Berlin <dberlin@dberlin.org>
7762 Kenneth Zadeck <zadeck@naturalbridge.com>
7764 * Makefile.in: Removed tree-promote-statics.c
7765 * tree-promote-statics.c: Removed.
7766 * common.opt: Removed flag-promote-statics.
7767 * opts.c: Ditto.
7768 * passes.c: Removed tree-promote-statics pass.
7769 * tree-pass.h: Ditto.
7770 * timevar.def: Removed TV_PROMOTE_STATICS.
7773 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
7775 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
7776 and *-*-freebsd9.
7777 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
7779 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7781 PR c/22476
7782 * c-common.c (check_function_arguments): Call
7783 'check_function_format' if either -Wformat or
7784 -Wmissing-format-attribute are specified.
7785 * c-format.c (check_function_format): Check -Wformat before
7786 calling 'check_format_info'.
7787 * c-opts.c (c_common_post_options): Don't warn for
7788 -Wmissing-format-attribute without -Wformat.
7789 * c-typeck.c (convert_for_assignment): Detect additional cases for
7790 -Wmissing-format-attribute.
7791 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7792 behavior.
7794 2005-07-19 Richard Guenther <rguenther@suse.de>
7796 * config/i386/i386.md (lrint<mode>2): Use temporary
7797 instead of clobbering non-existent memory.
7799 2005-07-19 Nick Clifton <nickc@redhat.com>
7801 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7802 statement to avoid displaying ASCII control characters.
7804 2005-07-19 Ben Elliston <bje@au.ibm.com>
7806 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7807 * cfganal.c (find_edge_index): Ditto.
7808 * combine.c (combine_instructions): Ditto.
7809 * ddg.c (create_scc): Ditto.
7810 (find_successors): Ditto.
7811 (find_predecessors): Ditto.
7812 (find_nodes_on_paths): Ditto.
7813 (longest_simple_path): Ditto.
7814 * flow.c (update_life_info): Ditto.
7815 (count_or_remove_death_notes): Ditto.
7816 (clear_log_links): Ditto.
7817 * modulo-sched.c (generate_reg_moves): Ditto.
7818 (find_max_asap): Ditto.
7819 (find_max_hv_min_mob): Ditto.
7820 (find_max_dv_min_mob): Ditto.
7821 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7822 * sched-rgn.c (extract_edgelst): Ditto.
7823 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7824 (dump_update_ssa): Ditto.
7825 (ssa_names_to_replace) Ditto.
7826 (switch_virtuals_to_full_rewrite): Ditto.
7827 (update_ssa): Ditto.
7828 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7830 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7832 Fix PR tree-optimization/22483
7834 * tree-complex.c (create_components): Use
7835 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7836 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7837 * tree-flow.h (safe_referenced_var_iterator): New structure.
7838 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7839 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7840 safe_referenced_var iterator.
7841 (add_type_alias): Ditto.
7843 2005-07-19 Steven Bosscher <stevenb@suse.de>
7845 * loop-init.c (rest_of_handle_loop2): Remove.
7846 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7847 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7848 (pass_rtl_loop_init, pass_rtl_loop_done,
7849 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7850 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7851 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7852 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7853 pass_tree_loop_done, and pass_tree_unswitch.
7854 (gate_loop): Rename to gate_tree_loop.
7855 * passes.c (init_optimization_passes): Update for renamed tree
7856 loop passes. Add the new loop2 passes as subpasses of loop2.
7857 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7858 Update for the renamed tree loop passes.
7860 2005-07-18 Ian Lance Taylor <ian@airs.com>
7862 PR middle-end/22057
7863 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7864 blocks when optimizing.
7866 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7868 * common.opt (frename-registers): Initialize to 2.
7869 (fweb): Ditto.
7870 (fgcse-after-reload): Ditto.
7871 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7872 (process_options): Only change flag_web, flag_rename_registers,
7873 and flag_rerun_cse_after_loop if not explicitly set by user.
7875 2005-07-18 Jan Beulich <jbeulich@novell.com>
7877 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7878 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7879 in 64-bit mode the same as DImode in 32-bit mode.
7880 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7881 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7882 mode. Add new mode parameter.
7883 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7884 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7885 x86_64_shift_adj): New expanders.
7886 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7887 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7888 insns.
7889 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7890 DImode shift splitters.
7891 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7892 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7893 mode parameter.
7895 2005-07-18 Jan Beulich <jbeulich@novell.com>
7897 * i386.md (movdi_extzv_1): New.
7898 (zero_extendhidi2): Combine alternatives and never force use of
7899 REX64 prefix.
7900 (zero_extendqidi2): Likewise. Don't restrict input selection.
7902 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7904 Fix PR tree-optimization/22531
7905 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7906 moment.
7908 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7910 * tree-promote-statics.c (pass_promote_statics): Change dump file
7911 name.
7913 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7915 * tree-optimize.c (init_tree_optimization_passes): Add
7916 pass_eliminate_useless_stores pass.
7917 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7918 * tree-ssa-pre.c (is_copy_stmt): New function.
7919 (follow_copies_till_vuse): Ditto.
7920 (do_eustores): Ditto.
7921 (gate_eustores): Ditto.
7923 2005-07-16 Richard Henderson <rth@redhat.com>
7925 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7927 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7928 Kenneth Zadeck <zadeck@naturalbridge.com>
7930 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7931 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7932 ipa-type-escape.h, tree-promote-statics.c
7933 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7934 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7935 tree-promote-statics.c: new files.
7936 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7937 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7938 int nonlocal_set_p, mark_constant_function): Deleted.
7939 (rest_of_handle_cfg): Removed call to mark_constant_function.
7940 (nonoverlapping_component_refs_p): Added calls to support
7941 type based aliasing.
7942 * tree-ssa-alias.c (may_alias_p,
7943 compute_flow_insensitive_aliasing): Ditto.
7944 * calls.c (flags_from_decl_or_type): Removed reference to
7945 cgraph_rtl_info.
7946 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7947 too many arguments. This is necessary for Spec 2000.
7948 * cgraph.h (const_function, pure_function): Removed.
7949 * common.opt: Added "fipa-pure-const", "fipa-reference",
7950 "fipa-type-escape", and "ftree-promote-static".
7951 * opts.c: Ditto.
7952 * passes.c: Added ipa and tree-promote-statics passes.
7953 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7954 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7955 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7956 * tree-flow.h: Added exposed sra calls and addition of
7957 reference_vars_info field for FUNCTION_DECLS.
7958 * tree-pass.h: Added passes.
7959 * tree-sra.c: (sra_init_cache): New function.
7960 (sra_insert_before, sra_insert_after) Made public.
7961 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7962 and made public.
7963 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7964 aliasing. (may_alias_p): Added code to use type escape analysis to
7965 improve alias sets.
7966 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7967 code to prune clobbers of static variables based on information
7968 produced in ipa-reference pass. Changed call clobbering so that
7969 statics are not marked as clobbered if the call does not clobber
7970 them.
7972 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7974 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7975 too.
7977 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7979 * doc/install.texi (*-*-solaris2*): Document recommended version
7980 of GNU binutils and mention GNU linker problem on Solaris 10.
7982 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7984 PR c/22421
7985 * c-decl.c (c_build_bitfield_integer_type): New function.
7986 (finish_struct): Call it.
7987 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7989 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7991 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7992 before returning.
7994 2005-07-16 Jan Hubicka <jh@suse.cz>
7996 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7997 (scale_bbs_frequencies_int): Watch roundoff errors.
7998 * predict.c (return_prediction): Initialize return_stmt.
8000 2005-07-16 Jan Hubicka <jh@suse.cz>
8002 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8003 after RTL profiling.
8005 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8007 PR middle-end/22398
8008 * fold-const.c (build_range_check): Convert high/low to etype
8009 if we are only comparing against exp.
8011 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8013 Fix PR tree-optimization/22376
8014 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8015 special var here.
8016 (need_to_solve): New function.
8017 (compute_points_to_sets): Use it.
8019 2005-07-15 Jan Hubicka <jh@suse.cz>
8021 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8022 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8024 2005-07-15 Richard Guenther <rguenther@suse.de>
8026 * c-common.c (handle_flatten_attribute): New function.
8027 Add flatten function attribute.
8028 * doc/extend.texi: Document flatten function attribute.
8029 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8030 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8031 New functions.
8032 (cgraph_decide_inlining): Handle functions with flatten
8033 attribute.
8035 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8037 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8038 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8039 UNSPEC_XCHG, UNSPEC_AND): New.
8040 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8041 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8042 * config/rs6000/sync.md (FETCHOP): New code macro.
8043 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8044 New code attrs.
8045 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8046 (sync_compare_and_swap<mode>): Same.
8047 (sync_lock_test_and_set<mode>): Same.
8048 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8049 for QImode and HImode, and not PPC405.
8050 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8051 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8052 (sync_<fetchop>{si,di}_internal): New.
8053 (sync_nand{si,di}_internal): New.
8054 (sync_old_<fetchop>{si,di}_internal): New.
8055 (sync_old_nand{si,di}_internal): New
8056 (sync_new_<fetchop>{si,di}_internal): New.
8057 (sync_new_nand{si,di}_internal): New.
8058 (atomic_and{si,di}): New.
8059 (sync_new_nand{si,di}_internal): New.
8060 (atomic_and{si,di}): New.
8061 (sync_add<mode>_internal): Delete.
8062 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8063 (sync_sub<mode>_internal): Delte.
8064 (sync_subshort_internal): New.
8065 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8066 (sync_anddi_internal): Delete.
8067 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8068 (sync_booldi_internal): Delete.
8069 (sync_boolc<mode>_internal): Delete.
8070 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8071 (sync_boolc<mode>_internal2): Delete.
8072 (sync_boolcc<mode>_internal): Delete.
8073 (isync, lwsync): Use unspec instead of unspec_volatile.
8074 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8075 Revert UNSPEC_VOLATILE.
8076 (rs6000_split_atomic_op): New.
8077 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8079 2005-07-14 Eric Christopher <echristo@redhat.com>
8081 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8082 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8084 2005-07-14 Eric Christopher <echristo@redhat.com>
8086 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8088 2005-07-14 Steven Bosscher <stevenb@suse.de>
8090 PR tree-optimization/22230
8091 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8092 the computation of the four cross productions for "range op range".
8094 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8095 Ulrich Weigand <uweigand@de.ibm.com>
8097 PR target/20126
8098 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8099 in some insn.
8101 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8103 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8105 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8107 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8109 2005-07-14 Richard Guenther <rguenther@suse.de>
8111 PR middle-end/22347
8112 * config/i386/i386-protos.h (ix86_function_value): Change
8113 prototype to match new target hook.
8114 * config/i386/i386.c (ix86_value_regno): Change prototype
8115 to take extra type argument.
8116 (TARGET_FUNCTION_VALUE): Define.
8117 (ix86_function_ok_for_sibcall): Pass extra argument to
8118 ix86_value_regno, check return slot rtx for exact match.
8119 (ix86_function_value): Take extra parameter. Dispatch to
8120 ix86_value_regno with fndecl/fntype as provided.
8121 (ix86_value_regno): Handle extra type argument.
8122 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8124 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8125 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8126 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8127 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8128 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8130 2005-07-14 Richard Guenther <rguenther@suse.de>
8132 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8133 * calls.c (expand_call): Pass fntype to hard_function_value.
8134 (emit_library_call_value_1): Likewise.
8135 * explow.c: Include target.h.
8136 (hard_function_value): Take extra argument, the fntype.
8137 Use new target hook for function_value.
8138 * expr.h (hard_function_value): Change prototype.
8139 * function.c (aggregate_value_p): Pass 0 as fntype to
8140 hard_function_value.
8141 (assign_parms): Use new target hook for function_value.
8142 Pass 0 as fntype to hard_function_value.
8143 (expand_function_end): Likewise.
8144 * reg-stack.c: Include target.h.
8145 (stack_result): Use new target hook for function_value.
8146 * target-def.h: New target hook function_value.
8147 * target.h: Likewise.
8148 * targhooks.c (default_function_value): New function.
8149 * targhooks.h (default_function_value): Declare.
8151 2005-07-13 Ian Lance Taylor <ian@airs.com>
8153 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8155 2005-07-14 Jan Hubicka <jh@suse.cz>
8157 * tree-dfa.c (dump_variable): Use default_def function.
8158 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8159 * tree-ssa.c (verify_use): Likewise.
8160 * tree-ssanames.c (release_ssa_name): Likewise.
8161 * tree-tailcall.c (eliminate_tail_call): Likewise.
8162 (tree_optimize_tail_calls_1): Likewise.
8163 * tree-vrp.c (get_value_range): Likewise.
8165 2005-07-14 Ben Elliston <bje@au.ibm.com>
8167 * gcc.c (main): Compare language[0] with '*' when iterating over
8168 the infiles.
8170 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8172 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8173 "s390_emit_compare". Add handling of CCZ1mode.
8174 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8175 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8176 checking.
8177 (s390_branch_condition_mask): Add CCZ1mode handling.
8178 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8179 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8180 Use CCZ1mode instead of CCZmode.
8181 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8183 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8185 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8186 pattern.
8187 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8189 2005-07-13 Eric Christopher <echristo@redhat.com>
8191 * config/mips/mips.c (mips_canonicalize_comparison): New.
8192 (mips_emit_int_relational): Use.
8194 2005-07-13 Eric Christopher <echristo@redhat.com>
8196 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8197 static extra parts.
8198 * config/s390/s390.md: Include tpf.md. Move tpf specific
8199 patterns...
8200 * config/s390/tpf.md: To here.
8201 * config/s390/s390.opt: Move tpf specific options...
8202 * config/s390/tpf.opt: to here. Add mmain option.
8203 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8204 * config/s390/tpf.h: Rewrite.
8206 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8208 * doc/tm.texi: Remove @xref{Cross-profiling}.
8210 2005-07-13 Jeff Law <law@redhat.com>
8212 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8213 expressions, test their _DECL operands for pointer equality rather
8214 than using operand_equal_p.
8216 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8218 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8219 (TARGET_POSIX_IO): This.
8220 * config/darwin.h: Likewise.
8221 * config/freebsd.h: Likewise.
8222 * config/linux.h: Likewise.
8223 * config/lynx.h: Likewise.
8224 * config/netbsd.h: Likewise.
8225 * config/rs6000/linux64.h: Likewise.
8226 * config/rs6000/linux.h: Likewise.
8227 * config/s390/tpf.h: Likewise.
8228 * config/sh/embed-elf.h: Likewise.
8229 * config/sparc/linux64.h: Likewise.
8230 * config/sparc/linux.h: Likewise.
8231 * config/svr4.h: Likewise.
8232 * gcov-io.h: Likewise.
8234 * doc/tm.texi: Updated.
8236 * libgcov.c (create_file_directory): Defined only if
8237 TARGET_POSIX_IO is defined.
8238 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8239 is defined.
8241 2005-07-13 Jan Hubicka <jh@suse.cz>
8243 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8245 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8247 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8248 structure as argument.
8250 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8252 PR tree-optimization/21921
8253 * tree-iterator.c (tsi_link_before): Support the case when
8254 tsi_end_p (tsi) == true.
8256 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8258 PR tree-optimization/22442
8259 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8260 correctly.
8262 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8264 PR rtl-optimization/20376
8265 * toplev.c (process_options): Enable -fweb and -frename-registers when
8266 unrolling.
8267 * doc/invoke.texi: Update the information about when -fweb and
8268 -frename-registers are enabled.
8270 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8272 PR tree-opt/21840
8273 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8274 if *rhs_p is not a SSA_NAME.
8276 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8278 Fix PR tree-optimization/22422
8279 * tree-ssa-structalias.c (struct variable_info): Add flag for
8280 special vars.
8281 (get_varinfo): Now a static function.
8282 (new_varinfo): init has_union and is_special_var to false.
8283 (solution_set_add): Check has_union.
8284 (do_da_constraint): Move temporary variable so it gets reset
8285 properly.
8286 Also check for special variable.
8287 (do_ds_constraint): Ditto.
8288 (do_sd_constraint): Ditto.
8289 (do_structure_copy): Check for special variable.
8290 (find_func_aliases): Ditto.
8291 (init_base_vars): Set special vars properly.
8293 2005-07-13 Jan Hubicka <jh@suse.cz>
8295 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8296 do unit-at-a-time.
8298 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8299 (get_expr_operands): Fix thinko wrt flags and subvars.
8301 PR tree-optimize/22379
8302 * tree-inline.c (expand_call_inline): Do not output sorry in early
8303 inlining.
8305 2005-07-12 Dale Johannesen <dalej@apple.com>
8307 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8309 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8311 PR bootstrap/21704
8312 * host-linux.h: Include limits.h.
8314 2005-07-12 Dale Johannesen <dalej@apple.com>
8316 * expr.c (compress_float_constant): Add cost check.
8317 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8319 2005-07-12 Dale Johannesen <dalej@apple.com>
8321 * gcc.target/i386/compress-float-sse.c: New.
8322 * gcc.target/i386/compress-float-sse-pic.c: New.
8323 * gcc.target/i386/compress-float-387.c: New.
8324 * gcc.target/i386/compress-float-387-pic.c: New.
8325 * gcc.dg/compress-float-ppc.c: New.
8326 * gcc.dg/compress-float-ppc-pic.c: New.
8328 2005-07-12 Eric Christopher <echristo@redhat.com>
8330 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8331 static extra parts.
8332 * config/s390/s390.md: Include tpf.md. Move tpf specific
8333 patterns...
8334 * config/s390/tpf.md: To here.
8335 * config/s390/s390.opt: Move tpf specific options...
8336 * config/s390/tpf.opt: to here. Add mmain option.
8337 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8338 * config/s390/tpf.h: Rewrite.
8340 2005-07-12 Eric Christopher <echristo@redhat.com>
8342 * gcc.c (struct infile): Update comment for language.
8343 (main): Rewrite input file resetting code.
8345 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8347 PR tree-opt/22335
8348 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8349 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8350 (lookup_avail_expr): Use constant_boolean_node instead
8351 of boolean_false_node/boolean_true_node.
8353 2005-07-12 Ben Elliston <bje@au.ibm.com>
8355 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8356 and use it when printing num_edges.
8358 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8360 * doc/extend.texi (Blackfin Built-in Functions): New section.
8361 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8362 @opindex.
8364 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8366 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8367 s/cmpstrsi/cmpstrnsi
8368 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8369 'cmpstrnsi'.
8370 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8371 (init_optabs): Initialize cmpstrn_optab.
8372 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8373 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8374 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8375 * config/i386/i386.md: s/cmpstr/cmpstrn
8376 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8377 * doc/md.texi: Update documentation.
8379 2005-07-11 Richard Henderson <rth@redhat.com>
8381 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8382 build_va_arg_indirect_ref.
8383 (alpha_gimplify_va_arg): Likewise.
8384 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8385 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8386 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8387 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8388 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8389 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8390 Likewise.
8391 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8393 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8395 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8396 * passes.c (init_optimization_passes): Add pass_empty_loop.
8397 * tree-pass.h (pass_empty_loop): Declare.
8398 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8399 try_remove_empty_loop, remove_empty_loops): New functions.
8400 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8401 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8403 2005-07-12 Peter Barada <peter@the-baradas.com>
8405 PR middle-end/16719
8406 PR middle-end/18421
8407 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8408 in address registers.
8409 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8410 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8411 alternative of addsi3_5200.
8413 2005-07-11 Ian Lance Taylor <ian@airs.com>
8415 * config/mips/mips.md (ffs<mode>2): Remove.
8417 2005-07-11 Ian Lance Taylor <ian@airs.com>
8419 * doc/tree-ssa.texi (Cleanups): Improve description of
8420 TRY_FINALLY_EXPR.
8421 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8423 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8425 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8426 * tree.h (DECL_ARGUMENT_FLD): New macro.
8428 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8430 Fix PR tree-optimization/22404
8432 * tree-ssa-structalias.c (create_variable_info_for): Use
8433 correct offset.
8435 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8437 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8438 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8439 for second comparison operand.
8440 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8442 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8443 (define_insn_reservation "alu"): Likewise.
8444 (csync, ssync): Now of type sync.
8445 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8446 -mcsync-anomaly -mspecld-anomaly.
8447 * config/bfin/bfin.opt (mcsync): Remove.
8448 (mcsync-anomaly, mspecld-anomaly): Add.
8449 * config/bfin/bfin.c: Include "insn-codes.h".
8450 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8451 (TARGET_DEFAULT_TARGET_FLAGS): New.
8452 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8454 2005-07-11 Steven Bosscher <stevenb@suse.de>
8456 * basic-block.h: Give the BB flags enum a name, bb_flags.
8457 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8458 * cfgcleanup.c (enum bb_flags): Remove here.
8459 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8460 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8461 (update_forwarder_flag): Likewise.
8462 (thread_jump): Likewise.
8463 (try_forward_edges): Likewise.
8464 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8465 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8466 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8468 2005-07-11 Richard Guenther <rguenther@suse.de>
8470 * config/i386/i386.opt: New target option -msseregparm.
8471 * config/i386/i386.c (override_options): Error out for
8472 -msseregparm but no SSE support.
8473 (ix86_function_sseregparm): Check for global sseregparm.
8474 * doc/invoke.texi: Document -msseregparm.
8476 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8478 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8479 (m32rle-*-linux*): Ditto.
8481 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8483 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8484 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8485 bytes.
8487 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8489 PR middle-end/22239
8490 PR target/20126
8491 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8492 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8494 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8496 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8497 (varmap): Heapify varmap.
8498 (constraints): Heapify constraints.
8499 (struct constraint_graph): Heapify succs and preds.
8500 (constraint_vec_find): Update for heapification.
8501 (constraint_set_union): Ditto.
8502 (insert_into_complex): Ditto.
8503 (constraint_edge_vec_find): Ditto.
8504 (erase_graph_self_edge): Ditto.
8505 (add_graph_edge): Ditto.
8506 (get_graph_weights): Ditto.
8507 (merge_graph_nodes): Ditto.
8508 (build_constraint_graph): Ditto.
8509 (topo_visit): Ditto.
8510 (solve_graph): Ditto.
8511 (create_variable_info_for): Ditto.
8512 (init_base_vars): Ditto.
8513 (delete_points_to_sets): Free graph, varmap, and complex constraints.
8514 (condese_varmap_nodes): Free complex vector.
8515 (clear_edges_for_node): Clear succs and preds vector.
8517 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8519 * tree-ssa-structalias.c (update_alias_info): Change counting of
8520 references to not include vdefs.
8522 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
8524 * tree-ssa-alias.c (free_used_part_map): Add missing free.
8525 (up_insert): Ditto.
8527 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8529 * pa.c (pa_commutative_p): Make PLUS commutative when
8530 TARGET_NO_SPACE_REGS is true.
8532 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8534 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
8535 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
8536 * tree-dfa.c (dump_subvars_for): New.
8537 (debug_subvars_for): New.
8538 (dump_variable): Show subvariables if VAR has them.
8539 * tree-flow-inline.h (get_subvar_at): New.
8540 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
8541 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
8542 Update all users.
8543 (struct subvar): Change fields offset and size to unsigned
8544 HOST_WIDE_INT.
8545 (dump_subvars_for): Declare.
8546 (debug_subvars_for): Declare.
8547 (get_subvar_at): Declare.
8548 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
8549 to unsigned HOST_WIDE_INT *.
8550 (overlap_subvar): Likewise.
8551 * tree-gimple.c (is_gimple_reg): Always return false for
8552 SFTs and memory tags.
8553 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
8554 Update all callers.
8555 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
8556 (compute_may_aliases): Call compute_points_to_sets.
8557 (collect_points_to_info_for): Remove.
8558 (compute_points_to_and_addr_escape): Remove.
8559 (delete_alias_info): Call delete_points_to_sets.
8560 (compute_flow_sensitive_aliasing): If the call to
8561 find_what_p_points_to returns false, call set_pt_anything.
8562 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
8563 (set_pt_anything): Clear pi->pt_vars.
8564 (set_pt_malloc): Remove.
8565 (merge_pointed_to_info): Remove.
8566 (add_pointed_to_expr): Remove.
8567 (add_pointed_to_var): Remove.
8568 (collect_points_to_info_r): Remove.
8569 (is_escape_site): Make extern.
8570 (create_sft): New.
8571 (create_overlap_variables_for): Call it.
8572 * tree-ssa-copy.c (merge_alias_info): Never merge
8573 flow-sensitive alias information.
8574 * tree-ssa-operands.c (get_expr_operands): Adjust variables
8575 offset and size to be unsigned HOST_WIDE_INT.
8576 (add_to_addressable_set): Rename from note_addressable.
8577 Set TREE_ADDRESSABLE as the variables are added to the set.
8578 Update all users.
8579 (add_stmt_operand): Do not try to micro-optimize unmodifiable
8580 operands into VUSEs when adding V_MAY_DEFs for members in an
8581 alias set.
8582 * tree-ssa-operands.h (add_to_addressable_set): Declare.
8583 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
8584 (struct variable_info): Add bitfield is_heap_var.
8585 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
8586 (new_var_info): Initialize is_heap_var.
8587 (get_constraint_for): Add HEAP variables to the symbol table.
8588 Mark them with is_heap_var.
8589 (update_alias_info): New. Taken mostly from the old
8590 compute_points_to_and_addr_escape.
8591 (handle_ptr_arith): New.
8592 (find_func_aliases): Call update_alias_info.
8593 Call handle_ptr_info for tcc_binary expressions.
8594 Call mark_stmt_modified.
8595 (create_variable_info_for): If DECL has subvars, do not create
8596 variables for its subvars. Always add all the fields.
8597 (set_uids_in_ptset): If the solution includes ANYOFFSET and
8598 SFTs, then add all the SFTs of the structure.
8599 If VI->DECL is an aggregate with subvariables, add the SFT at
8600 VI->OFFSET.
8601 (find_what_p_points_to): If VI is an artificial variable,
8602 translate to bitfields in SSA_NAME_PTR_INFO.
8603 If the solution is empty, set pi->pt_vars to NULL
8604 (init_base_vars): Create ANYOFFSET.
8605 (compute_points_to_sets): Rename from create_alias_vars.
8606 Make extern.
8607 (pass_build_pta): Remove.
8608 (delete_points_to_sets): Rename from delete_alias_vars.
8609 (pass_del_pta): Remove.
8610 * tree-ssa-structalias.h (struct alias_info): Move from
8611 tree-ssa-alias.h.
8612 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
8613 NUM_REFERENCES_SET): Likewise.
8614 (compute_points_to_sets, delete_points_to_sets): Declare.
8616 2005-07-09 Richard Henderson <rth@redhat.com>
8618 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
8619 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
8620 alpha_split_lock_test_and_set_12): New functions.
8621 * config/alpha/alpha-protos.h: Update.
8622 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
8623 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
8624 * config/alpha/sync.md (I12MODE): New.
8625 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
8626 (sync_<fetchop_name><I48MODE>): Likewise.
8627 (sync_nand<I48MODE>): Likewise.
8628 (sync_old_<fetchop_name><I48MODE>): Likewise.
8629 (sync_new_<fetchop_name><I48MODE>): Likewise.
8630 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
8631 (sync_compare_and_swap<I48MODE>): Likewise.
8632 (sync_lock_test_and_set<I48MODE>): Likewise.
8633 (sync_compare_and_swap<I12MODE>): New.
8634 (sync_compare_and_swap<I12MODE>_1): New.
8635 (sync_lock_test_and_set<I12MODE>): New.
8636 (sync_lock_test_and_set<I12MODE>_1): New.
8638 2005-07-09 Diego Novillo <dnovillo@redhat.com>
8640 PR 21356
8641 PR 22332
8642 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
8644 2005-07-09 Jakub Jelinek <jakub@redhat.com>
8646 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
8647 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
8649 2005-07-09 Richard SAndiford <richard@codesourcery.com>
8651 PR target/21656
8652 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
8654 2005-07-08 David Edelsohn <edelsohn@gnu.org>
8656 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
8657 memory_operand constraint.
8658 (store_conditional_<mode>): Same.
8659 (sync_compare_and_swap<mode>): Same.
8660 (sync_lock_test_and_set<mode>): Same.
8662 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
8664 Rewrite PIC support to more closely model actual instructions.
8665 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
8666 (cris_symbol): Remove prototypes for removed functions.
8667 (cris_pic_symbol_type_of, cris_valid_pic_const)
8668 (cris_expand_pic_call_address): Prototypes for new functions.
8669 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
8670 variable.
8671 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
8672 modifiers.
8673 <case ':'>: Add case for new punctuation character.
8674 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
8675 emitting (extra) PIC modifier.
8676 <case UNSPEC>: Do not assert for PLT.
8677 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
8678 (cris_expand_prologue, cris_expand_epilogue): Check
8679 for pic_offset_table_rtx usage instead of taking
8680 current_function_uses_pic_offset_table as the final word.
8681 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
8682 Remove flag_pic difference.
8683 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
8684 the moral equivalents of...
8685 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
8686 functions.
8687 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
8688 (cris_handle_option): Mark ARG as unused.
8689 (cris_expand_pic_call_address): New worker function for "call",
8690 "call_value".
8691 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
8692 output PIC constructs here.
8693 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
8694 as symbol-specific modifers, not whole or part of operands.
8695 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
8696 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
8697 constants and flag_pic.
8698 (CONSTANT_INDEX_P): Adjust for new functions.
8699 (enum cris_pic_symbol_type): New helper type.
8700 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
8701 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
8702 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
8703 define_constants.
8704 ("movsi"): Emit actual instructions for GOT and relative access.
8705 ("*movsi_got_load"): New pattern to set up the register holding
8706 the GOT pointer.
8707 ("*movsi_internal"): Operand 1 is not a plain general_operand.
8708 Adjust FIXME for 'S'.
8709 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
8710 Use "movs" for -fpic cases.
8711 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
8712 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
8713 ("call", "call_value"): Just call cris_expand_pic_call_address for
8714 PIC addresses.
8715 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
8716 Remove special pattern.
8717 ("*expanded_call_side", "*expanded_call_value_side"): New
8718 patterns.
8719 (gotplt-to-plt, gotplt-to-plt-side-call)
8720 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
8721 peephole2:s.
8722 * config/cris/cris/predicates.md
8723 ("cris_general_operand_or_gotless_symbol"): Remove unused
8724 predicate.
8725 ("cris_general_operand_or_symbol"): Adjust for new functions.
8727 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8729 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
8731 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
8733 * Makefile.in (TREE_H): Add treestruct.def.
8734 (c-decl.o): Add pointer-set.h
8735 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
8736 visibility on regular DECL's.
8737 (merge_decls): Fix the copying of decl nodes of various types for
8738 the new structures. Don't update RTL, section name, weak status,
8739 etc, on DECL's without RTL.
8740 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
8741 Don't check volatile on non-variable types.
8742 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
8743 to check whether we have seen arguments.
8744 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
8745 flag is checked before field (flag is common, field is not).
8746 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
8747 TS_DECL_COMMON could have an origin.
8748 (add_location_or_const_value_attribute): Don't check section name
8749 on non-var/function decls.
8750 (dwarf2out_var_location): Reverse order of tests.
8751 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
8752 with DECL_WRTL_CHECK.
8753 * expmed.c (make_tree): rtl is now in decl_with_rtl.
8754 * fold-const.c (fold_binary): Don't check weakness on
8755 non-var/function decls.
8756 (tree_expr_nonzero_p): Ditto.
8757 (fold_checksum_tree): Use tree_decl_extra as sizeof
8758 buffer.
8759 * ggc-page.c (extra_order_size_table): Add sizes for
8760 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
8761 tree_field_decl.
8762 * gimplify.c (gimplify_bind_expr): Only set
8763 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
8764 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
8765 without RTL.
8766 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
8767 * langhooks.h (init_ts). New langhook.
8768 * passes.c (rest_of_decl_compilation): Reverse order of tests.
8769 * print-tree.c (print_node): Update to only print fields that
8770 exist in the structures the passed decl has.
8771 * toplev.c (wrapup_global_declarations): Don't reset
8772 DECL_DEFER_OUTPUT on DECL's that don't contain it.
8773 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
8774 * tree-inline.c (remap_decl): Ditto.
8775 * tree-outof-ssa.c (create_temp): Reverse order of tests.
8776 * tree-pretty-print.c (print_declaration): Don't print
8777 DECL_REGISTER on things that don't contain it.
8778 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
8779 non-var/function decls.
8780 * tree.c (tree_contains_struct): New structure.
8781 (init_priority_for_decl): New hashtable.
8782 (tree_int_map): New structure.
8783 (tree_int_map_eq): New function.
8784 (tree_int_map_marked_p): Ditto.
8785 (tree_int_map_hash): Ditto.
8786 (tree_map): Move to tree.h.
8787 (tree_map_eq): Externalize.
8788 (tree_map_hash): Ditto.
8789 (tree_map_marked_p): Ditto.
8790 (init_ttree): Set up tree_contains_struct and call langhook.
8791 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8792 (tree_code_size): Update for new structures.
8793 (tree_node_structure): Update for new structures.
8794 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8795 without the field.
8796 (copy_node_stat): Copy init priority.
8797 (build_decl_stat): Ditto for visibility.
8798 (ts_enum_names): New.
8799 (tree_contains_struct_check_failed): New function.
8800 (decl_init_priority_lookup): Ditto.
8801 (decl_init_priority_insert): Ditto.
8802 * treestruct.def: New file.
8803 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8804 (CONTAINS_STRUCT_CHECK): Ditto.
8805 (tree_contains_struct_check_failed): New prototype.
8806 (DECL_CHECK): Removed.
8807 (DECL_MINIMAL_CHECK): New.
8808 (DECL_COMMON_CHECK): Ditto.
8809 (DECL_WRTL_CHECK): Ditto.
8810 (DECL_NON_COMMON_CHECK): Ditto.
8811 (DECL_WITH_VIS_CHECK): Ditto.
8812 (VAR_OR_FUNCTION_DECL_P): Ditto
8813 (struct tree_decl_minimal): New structure.
8814 (struct tree_decl_common): Ditto.
8815 (struct tree_decl_with_rtl): Ditto.
8816 (struct tree_decl_with_vis): Ditto.
8817 (struct tree_decl_non_common): Ditto.
8818 (struct tree_field_decl): Ditto.
8819 (struct tree_parm_decl): Ditto.
8820 (struct tree_var_decl): Ditto.
8821 (struct tree_function_decl): Ditto.
8822 (struct tree_const_decl): Ditto.
8823 (struct tree_result_decl): Ditto.
8824 (union tree_node): Add new structures.
8825 * var-tracking.c (track_expr_p): Reverse order of tests.
8827 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8829 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8831 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8832 * system.h: Poison FINALIZE_PIC.
8833 * doc/tm.texi (FINALIZE_PIC): Remove.
8835 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8837 PR tree-opt/22329
8838 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8839 to the correct type if we have a MODIFY_EXPR.
8841 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8843 PR tree-optimization/22360
8844 * tree.c (upper_bound_in_type): Fix calculations for casting
8845 to a non-wider signed type and casting a signed value to a
8846 wider unsigned type.
8847 (lower_bound_in_type): Fix calculations for casting to a
8848 non-wider signed type.
8850 PR tree-optimization/20139
8851 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8852 release_defs.
8853 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8854 fold_cond_expr_cond.
8855 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8856 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8858 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8860 PR tree-opt/22356
8861 * tree-complex.c (expand_complex_libcall): Produce
8862 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8864 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8866 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8867 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8868 b" assert and inserted fastpath code for this case.
8869 (bitmap_ior): Removed "a != b" assert.
8871 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8873 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8874 (ENDFILE_SPEC): Likewise.
8875 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8877 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8878 a large stack frame at epilogue.
8880 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8882 * final.c: Include sdbout.h when required.
8884 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8886 * config.gcc (*-*-darwin*): Only one target-specific header file
8887 for generic darwin.
8888 (powerpc-*-darwin*): Add version-specific header files.
8889 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8890 * config.in: Regenerate.
8891 * configure: Regenerate.
8892 * gcc.c: Include xregex.h.
8893 (version_compare_spec_function): New.
8894 (spec_function): Add version-compare.
8895 (replace_outfile_spec_function): Reformat comment.
8896 (compare_version_strings): New.
8897 * config/darwin-c.c (version_as_macro): New.
8898 (builtin_define): New.
8899 (darwin_cpp_builtins): New.
8900 * config/darwin-protos.h (darwin_cpp_builtins): New.
8901 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8902 (LIB_SPEC): Make unconditional, update comment.
8903 (TARGET_C99_FUNCTIONS): Define.
8904 * config/darwin.opt: Sort.
8905 (mmacosx-version-min=): New.
8906 * config/darwin7.h: Delete.
8907 * config/darwin8.h: Delete.
8908 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8909 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8910 (TARGET_C99_FUNCTIONS): Define.
8911 * config/rs6000/darwin7.h: New.
8912 * config/rs6000/darwin8.h: New.
8913 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8914 (-mmacosx-version-min): Document.
8916 2005-07-07 Ian Lance Taylor <ian@airs.com>
8918 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8920 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8922 PR middle-end/22239
8923 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8925 2005-07-07 Khem Raj <kraj@mvista.com>
8927 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8928 in bytes, not words.
8930 2005-07-07 Paul Brook <paul@codesourcery.com>
8932 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8933 DEFAULT_FUNCTION_ARG_PADDING to upward.
8935 2005-07-07 Richard Henderson <rth@redhat.com>
8937 * function.c (locate_and_pad_parm): Record parameter alignment in
8938 stack_alignment_needed.
8940 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8942 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8943 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8944 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8945 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8946 (define_attr "type"): Add isync, sync, load_l, store_c.
8947 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8948 Create scratch volatile MEM.
8949 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8950 sync.
8951 (load_locked_<mode>): New.
8952 (store_conditional_<mode>): New.
8953 (sync_compare_and_swap<mode>): Replace with splitter.
8954 (sync_lock_test_and_set<mode>): Replace with splitter.
8955 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8956 and UNSPECV_ISYNC.
8957 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8958 is ics. Attribute isync.
8959 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8960 lwsync.
8961 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8962 and UNSPECV_SYNC_OP.
8963 (emit_unlikely_jump): New.
8964 (emit_load_locked): New.
8965 (emit_store_conditional): New.
8966 (rs6000_split_compare_and_swap): New.
8967 (rs6000_split_lock_test_and_set): New.
8968 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8969 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8970 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8971 rs6000_split_lock_test_and_set): Declare.
8972 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8973 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8974 store_c, isync, sync.
8976 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8978 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8979 filenames to gtyp-gen.h.
8980 (s-typ-gen): Use it in place of for loops.
8982 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8984 * hooks.c (hook_bool_rtx_int_false): New function.
8985 * hooks.h (hook_bool_rtx_int_false): Declare.
8986 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8987 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8988 * target.h (struct gcc_target): Add commutative_p member.
8989 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8990 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8991 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8992 (pa_commutative_p): New function.
8993 * jump.c (target.h): Include.
8994 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8995 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8997 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8999 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9000 (s390_expand_setmem): New.
9001 * config/s390/s390.c: Likewise.
9002 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9003 Adapt comments.
9004 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9005 general_operand. Call new function "s390_expand_setmem".
9006 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9007 ("setmem_long", "*setmem_long"): ... this.
9009 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9011 * config/s390/s390.c: (optimization_options): Enable
9012 TARGET_MVCLE at -Os.
9013 * doc/invoke.texi: Document changes in default behaviour.
9014 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9016 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9018 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9019 defined by back-end.
9021 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9023 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9024 all sets in the pattern.
9025 * config/rs6000/rs6000.md (stack_protect_testsi,
9026 stack_protect_testdi): Likewise.
9028 2005-07-06 Jeff Law <law@redhat.com>
9030 * tree-vrp.c (simplify_using_ranges): Kill.
9031 (vrp_finalize): Remove call to simplify_using_ranges.
9032 (simplify_stmt_using_ranges): New function extracted from
9033 simplify_using_ranges.
9034 (simplify_div_or_mod_using_ranges): Likewise.
9035 (simplify_abs_using_ranges): Likewise.
9036 (simplify_cond_using_ranges): New function.
9037 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9038 * tree-ssa-propagate.c (substitute_and_fold): Call
9039 simplify_stmt_using_ranges if we have range information.
9041 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9043 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9044 ia64_flag_schedule_isns2.
9046 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9047 reading/writing general registers.
9048 (ia64_function_arg): Revert 2005-06-18 change.
9050 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9052 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9053 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9055 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9057 * function.c (expand_function_end): Revert part of 2005-06-27
9058 patch. Do sjlj_emit_function_exit_after after return_label.
9060 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9062 * doc/install.texi (--disable-libssp): New.
9064 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9066 * doc/invoke.texi: Update -fforce-mem documentation.
9067 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9068 code for -fforce-mem.
9069 * expmed.c: (store_bit_field,store_fixed_bit_field,
9070 extract_bit_field): Ditto.
9071 * expr.c: (convert_move): Ditto.
9072 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9073 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9074 emit_conditional_add,expand_float,expand_fix): Ditto.
9075 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9076 (common_handle_option): Issue warning when -fforce-mem specified.
9078 2005-07-06 Paul Brook <paul@codesourcery.com>
9080 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9081 argument is empty.
9082 * configure: Regenerate.
9084 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9086 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9088 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9090 Fix PR tree-optimization/22319
9091 Fix PR tree-optimization/22140
9092 Fix PR tree-optimization/22310
9094 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9095 variable sized types.
9096 Use correct type for intermediate structure on *a = *b structure
9097 copies.
9099 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9101 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9102 Remove.
9103 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9104 (machine_function): Move typedef to...
9105 * config/rs6000/rs6000.c (machine_function): ... here. Add
9106 varargs_save_offset field.
9107 (rs6000_stack_t): Remove varargs_size field.
9108 (setup_incoming_varargs): Allocate varargs save area using
9109 assign_stack_local, try to make it as small as possible.
9110 Save offset from virtual_stack_vars_rtx to the save area
9111 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9112 instead of magic 8 when fp word byte size is used.
9113 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9114 instead of -RS6000_VARARGS_SIZE.
9115 (rs6000_stack_info, debug_stack_info,
9116 rs6000_initial_elimination_offset): Remove all traces of
9117 varargs_size.
9118 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9119 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9120 RS6000_VARARGS_AREA.
9122 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9124 PR tree-optimization/21963
9125 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9126 constant_multiple_of in the same way get_computation_cost_at does.
9128 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9130 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9131 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9132 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9133 and return its previous value.
9134 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9135 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9136 constants.
9137 (stack_protect_set, stack_protect_test): New expanders.
9138 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9139 stack_protect_testdi): New insns.
9140 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9141 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9143 2005-07-06 Jeff Law <law@redhat.com>
9145 * tree-ssa-dce.c (cfg_altered): New global.
9146 (tree_dce_init): Initialize cfg_altered.
9147 (remove_dead_stmt): If we remove an edge in the CFG, then set
9148 CFG_ALTERED.
9149 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9150 the dominators.
9152 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9154 * Makefile.in (stamp-collect-ld): Use
9155 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9156 ./collect-ld if it already exists.
9157 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9158 Don't remove ./nm if it already exists.
9160 2005-07-05 Devang Patel <dpatel@apple.com>
9162 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9163 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9164 * tree-vectorizer.c (vect_loop_location): New.
9165 (vect_print_dump_info): Use vect_loop_location.
9166 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9167 (vectorize_loops): Set vect_loop_location.
9168 * tree-vect-analyze.c (vect_analyze_offset_expr,
9169 vect_determin_vectorization_factor, vect_analyze_operations,
9170 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9171 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9172 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9173 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9174 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9175 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9176 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9177 vect_analyze_loop): Adjust vect_print_dump_info API.
9178 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9179 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9180 vect_finish_stmt_generation, vectorizable_assignment,
9181 vectorizable_operation, vectorizable_store, vectorizable_load,
9182 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9183 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9184 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9185 vect_transform_loop): Same.
9186 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9187 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9188 Same.
9190 2005-07-05 Randolph Chung <tausq@debian.org>
9192 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9193 * configure: Regenerate.
9194 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9195 (pa_tls_referenced_p): Declare.
9196 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9197 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9198 (legitimize_tls_address): New.
9199 (hppa_legitimize_address): Handle TLS addresses.
9200 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9201 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9202 (emit_move_sequence): Handle TLS addresses.
9203 (pa_encode_section_info): Call default handler to handle common
9204 sections.
9205 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9206 (CONSTANT_ADDRESS_P): Reject TLS operands.
9207 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9208 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9209 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9210 (UNSPEC_TLSLE): Define new constants.
9211 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9212 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9213 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9214 (tie_symbolic_operand, tle_symbolic_operand): New
9216 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9218 * aclocal.m4: Update macros for autoconf 2.59 style.
9219 * configure.ac: Likewise.
9221 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9223 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9224 (function_arg): Pass small aggregates in general registers on 32-bit
9225 targets.
9226 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9228 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9230 * Makefile.in (final.o): Fix dependencies.
9232 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9234 PR c/22013
9235 PR c/22098
9236 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9237 * langhooks.c (lhd_expr_to_decl): New.
9238 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9239 New.
9240 (LANG_HOOKS_INITIALIZER): Update.
9241 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9242 expr_to_decl langhook.
9243 * c-tree.h (c_expr_to_decl): Declare.
9244 * c-typeck.c (c_expr_to_decl): New.
9245 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9246 specially.
9247 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9249 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9251 PR c/22308
9252 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9253 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9255 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9257 * Makefile.in: Adjust dependencies.
9258 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9259 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9260 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9261 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9262 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9263 rest_of_compilation.
9265 * bb-reorder.c (gate_duplicate_computed_gotos,
9266 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9267 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9268 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9269 pass_partition_blocks): New.
9270 * bt-load.c (gate_handle_branch_target_load_optimize,
9271 rest_of_handle_branch_target_load_optimize,
9272 pass_branch_target_load_optimize): New.
9273 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9274 pass_jump2): New.
9275 * cfglayout.c (pass_insn_locators_initialize): New.
9276 * cfgrtl.c (pass_free_cfg): New.
9277 * combine.c (gate_handle_combine, rest_of_handle_combine,
9278 pass_combine): New.
9279 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9280 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9281 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9282 * except.c (pass_set_nothrow_function_flags,
9283 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9284 pass_rtl_eh): New.
9285 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9286 rest_of_handle_shorten_branches, pass_shorten_branches,
9287 rest_of_clean_state, pass_clean_state): New.
9288 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9289 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9290 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9291 pass_flow2): New.
9292 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9293 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9294 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9295 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9296 pass_gcse): New.
9297 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9298 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9299 pass_rtl_ifcvt, gate_handle_if_after_combine,
9300 rest_of_handle_if_after_combine, pass_if_after_combine,
9301 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9302 pass_if_after_reload): New.
9303 * integrate.c (pass_initial_value_sets): New.
9304 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9305 pass_purge_lineno_notes): New.
9306 * mode-switching.c (rest_of_handle_mode_switching,
9307 pass_mode_switching): New.
9308 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9309 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9310 pass_loop2): New.
9311 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9312 pass_loop_optimize): New.
9313 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9314 pass_sms): New.
9315 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9316 pass_gcse2): New.
9317 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9318 pass_postreload_cse): New.
9319 * profile.c (gate_handle_profiling, pass_profiling,
9320 rest_of_handle_branch_prob, pass_branch_prob): New.
9321 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9322 pass_split_before_regstack, gate_handle_split_before_regstack,
9323 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9324 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9325 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9326 pass_stack_regs): New.
9327 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9328 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9329 pass_stack_adjustments): New.
9330 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9331 pass_regrename): New.
9332 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9333 pass_delay_slots, gate_handle_machine_reorg,
9334 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9335 * rtl.h (extern void purge_line_number_notes): New.
9336 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9337 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9338 pass_sched2): New.
9339 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9340 pass_tracer): New.
9341 * value-prof.c (gate_handle_value_profile_transformations,
9342 rest_of_handle_value_profile_transformations,
9343 pass_value_profile_transformations): New.
9344 * var-tracking.c (gate_handle_var_tracking,
9345 pass_variable_tracking): New.
9346 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9348 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9349 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9350 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9351 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9352 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9353 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9354 rest_of_handle_gcse2, rest_of_handle_regmove,
9355 rest_of_handle_tracer, rest_of_handle_if_conversion,
9356 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9357 rest_of_handle_web, rest_of_handle_branch_prob,
9358 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9359 rest_of_handle_jump_bypass, rest_of_handle_combine,
9360 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9361 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9362 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9363 rest_of_handle_mode_switching, rest_of_handle_jump,
9364 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9365 rest_of_handle_flow2, rest_of_handle_jump2,
9366 rest_of_handle_peephole2, rest_of_handle_postreload,
9367 rest_of_handle_shorten_branches, rest_of_clean_state,
9368 rest_of_compilation): Remove.
9370 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9371 * passes.c (dump_flags, in_gimple_form, all_passes,
9372 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9373 register_dump_files, next_pass_1, last_verified, execute_todo,
9374 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9375 from tree-optimize.c.
9376 (init_optimization_passes): Moved from tree-optimize.c,
9377 adding the RTL optimizations.
9378 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9379 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9380 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9381 register_dump_files, next_pass_1, last_verified, execute_todo,
9382 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9383 init_tree_optimization_passes, ipa_passes): Delete.
9384 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9385 the RTL dumps.
9386 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9387 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9388 from tree.h.
9389 (ipa_passes): Remove.
9390 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9391 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9392 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9393 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9394 (dump_info_p, dump_flag): Moved to tree-dump.h.
9396 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9397 cgraph.c, opts.c.
9398 * passes.c (finish_optimization_passes): Use dump_begin
9399 and dump_end, TDI_end.
9400 (gate_rest_of_compilation): New.
9401 (pass_rest_of_compilation): Use it.
9402 (gate_postreload, pass_postreload): New.
9403 * toplev.c (general_init): Rename init_tree_optimization_passes.
9404 * toplev.h (init_tree_optimization_passes): Rename to
9405 init_optimizations_passes.
9406 * tree-dump.c (dump_flag): Make static.
9407 (dump_files): Remove RTL dumps.
9408 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9409 pass_cleanup_cfg, pass_free_cfg_annotations,
9410 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9411 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9412 * tree-pretty-print.c: Include tree-pass.h.
9413 * cgraph.c: Include tree-dump.h.
9415 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9417 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9418 Only fall back to saying it points to readonly memory if
9419 we can't do better.
9421 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9423 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9424 * config/m32r/m32r.c (m32r_compute_frame_size,
9425 m32r_expand_prologue): Take current_function_profile into
9426 account whenever we reference
9427 current_function_uses_pic_offset_table.
9428 (m32r_finalize_pic): Remove.
9429 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9431 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9433 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9434 instead of $<. Don't remove ./as if it already exists.
9436 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9438 PR target/21723
9439 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9440 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9441 for complex modes when generating code for PA 1.0.
9442 (VALID_FP_MODE_P): New macro.
9443 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9444 sets for all general and floating point modes. Align wide floating
9445 point modes to even register boundaries to comply with architectural
9446 requirements.
9447 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9448 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9449 (VALID_FP_MODE_P): New macro.
9450 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9451 sets for all general and floating point modes. Align wide floating
9452 point modes to even register boundaries to comply with architectural
9453 requirements.
9455 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9457 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9458 to 0.
9460 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9462 * tree-ssa-structalias.c: Don't include expr.h.
9464 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9466 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9467 comments.
9469 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9471 Fix PR tree-optimization/22279
9473 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9474 correct operator.
9476 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9478 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9480 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9482 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9483 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9484 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9485 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9486 config/stormy16/stormy16.c, config/v850/v850.c,
9487 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9488 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9489 Avoid "." or "\n" at end of diagnostics and capital letters at
9490 start of diagnostics.
9491 * combine.c, cse.c: Don't translate dump file output.
9492 * toplev.c (print_version): Only translate output if going to
9493 stderr.
9495 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9497 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9498 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
9499 typos.
9501 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9503 * pa.c (fix_range): Fix typo in comment.
9505 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9507 * tree-vrp.c (extract_range_from_assert): Replace
9508 fold (build (...)) with fold_build2.
9510 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9512 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
9513 gcc_gfc_char_table, init_dynamic_gfc_info): New.
9514 (format_types_orig, handle_format_attribute): Add support for
9515 format "gcc_gfc".
9517 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
9519 * varasm.c (assemble_variable): Fix format specifier thinko.
9521 2005-07-03 Ira Rosen <irar@il.ibm.com>
9523 PR tree-optimization/22029 (and 22135)
9524 * tree-pretty-print.c (dump_generic_node): Check that the node is not
9525 a phi node before calling dump_vops.
9527 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9529 * tree-dump.h (dump_string_field): Declare.
9530 * tree-dump.c: Use it instead of dump_string.
9531 (dump_string_field): Make non-static.
9533 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
9535 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
9536 up the minimal CFG stuff always when optimize > 0. Call
9537 split_all_insns_noflow in PIC case if needed.
9539 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
9540 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
9542 PR c++/18279
9543 * c-decl.c (c_write_global_declarations): Dump contents of
9544 external scope to.
9545 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
9546 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
9547 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
9548 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
9549 is enabled.
9551 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9553 * c-common.h (GCC_DIAG_STYLE): Define.
9554 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
9555 version for format checking to 4.1.
9556 * c-format.c: Include toplev.h after c-common.h.
9557 (enum format_type): Add gcc_tdiag_format_type.
9558 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
9559 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
9560 (format_types_orig): Add gcc_tdiag.
9561 (init_dynamic_diag_info): Support gcc_tdiag formats.
9562 (handle_format_attribute): Likewise.
9563 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
9564 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
9565 version for format checking to 4.1.
9566 (warning0, warning, error, pedwarn, sorry): Use
9567 ATTRIBUTE_GCC_DIAG.
9568 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
9569 (finish_aliases_1): Do not use %qE.
9570 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
9571 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
9572 Correct format bugs.
9573 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
9574 parameter to unsigned HOST_WIDE_INT.
9575 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
9577 2005-07-02 David Edelsohn <edelsohn@gnu.org>
9579 PR middle-end/21742
9580 * expr.c (write_complex_part): Use adjust_address for MEM.
9581 (read_complex_part): Same.
9583 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
9585 Fix PR tree-optimization/22280
9587 * tree-sra.c (generate_element_init): Remove useless loop.
9589 2005-07-02 Richard Henderson <rth@redhat.com>
9591 * config/alpha/alpha.c (alpha_legitimize_address): Check for
9592 TLS_MODEL_NONE.
9593 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
9595 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
9597 PR middle-end/14490
9598 * fold-const.c (fold_binary): Handle the return value of
9599 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
9600 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
9602 2005-07-02 Jeff Law <law@redhat.com>
9604 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
9605 a eliminate type conversion which feeds an equality comparison
9606 if the original type or either operand in the comparison is a
9607 function pointer.
9609 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
9611 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
9612 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
9613 texts.
9614 * config/avr/avr.c: Do not use '`' as left quote.
9615 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
9616 Remove "." from end of diagnostics. Make diagnostics start with
9617 lowercase letter.
9619 2005-07-02 Zack Weinberg <zack@codesourcery.com>
9620 Joseph S. Myers <joseph@codesourcery.com>
9622 * toplev.c (default_tree_printer): Handle setting location with
9623 '+' flag.
9624 * c-objc.common.c (c_tree_printer): Likewise.
9625 * c-format.c (gcc_diag_flag_specs): Add '+'.
9626 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
9627 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
9628 formats.
9629 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
9630 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
9631 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
9632 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
9633 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
9634 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
9635 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
9636 format arguments where %J is used without %D.
9638 2005-07-02 Jakub Jelinek <jakub@redhat.com>
9640 * gcc.c (LINK_SSP_SPEC): Define.
9641 (link_ssp_spec): New variable.
9642 (LINK_COMMAND_SPEC): Add %(link_ssp).
9643 (static_specs): Add link_ssp_spec.
9644 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
9645 * configure: Rebuilt.
9646 * config.in: Rebuilt.
9648 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9649 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9650 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9651 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
9652 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
9653 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
9654 -0x7008(2) instead of reading __stack_chk_guard variable.
9655 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
9656 number.
9657 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
9658 (stack_protect_set, stack_protect_test): Use *_tls* patterns
9659 if TARGET_THREAD_SSP_OFFSET is defined.
9660 (stack_tls_protect_set_si, stack_tls_protect_set_di,
9661 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
9663 Revert:
9664 2005-06-27 Richard Henderson <rth@redhat.com>
9665 * libgcc-std.ver (GCC_4.1.0): New.
9666 * libgcc.h (__stack_chk_guard): Declare.
9667 (__stack_chk_fail, __stack_chk_fail_local): Declare.
9668 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
9669 * mklibgcc.in (lib2funcs): Add them.
9671 2005-07-01 Richard Henderson <rth@redhat.com>
9673 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
9674 void * before struct sigcontext *.
9675 (x86_fallback_frame_state): Likewise.
9677 2005-07-01 James E. Wilson <wilson@specifixinc.com>
9679 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
9681 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9683 PR tree-opt/22269
9684 * tree-ssa-reassoc.c (should_transpose): Fix which operand
9685 we check for SSA_NAME for.
9687 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
9689 Fix PR tree-optimization/22071
9691 * tree-ssa-structalias.c (offset_overlaps_with_access): New
9692 function.
9693 (get_constraint_for_component_ref): Use it.
9695 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
9697 PR other/22264
9698 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
9699 print out the last new line.
9701 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
9703 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
9704 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
9705 * config/cris/cris.c (cris_conditional_register_usage): Adjust
9706 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
9707 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
9708 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
9709 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
9710 (enum reg_class): New member CC0_REGS.
9711 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
9712 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
9713 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
9714 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
9715 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9716 Adjust for register now described.
9718 2005-07-01 Jakub Jelinek <jakub@redhat.com>
9720 PR target/22262
9721 * config/i386/i386.md (stack_protect_test_si,
9722 stack_protect_test_di): Add earlyclobber for scratch 3.
9723 * config/rs6000/rs6000.md (stack_protect_testsi,
9724 stack_protect_testdi): Add earlyclobber for scratch 3,
9725 remove earlyclobber from scratch 4.
9727 Older entries for 2005 can be found in ChangeLog-2005.