1 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4 * stor-layout.c (finalize_type_size): Dont override
5 existing alignment with a smaller alignment from the mode.
7 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
9 * lambda-code.c (lambda_vector_lexico_pos): Moved...
10 * lambda.h (lambda_vector_lexico_pos): ... here.
11 * tree-data-ref.c (build_classic_dist_vector): Return false when
12 the distance vector is lexicographically negative.
14 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
16 PR tree-optimization/23511
17 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
18 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
20 2005-08-23 Jakub Jelinek <jakub@redhat.com>
22 PR tree-optimization/22043
23 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
24 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
25 If ALLOW_FLEXARR, handle types ending with flexible array member.
26 Pass false as second argument to recursive count_type_elements calls.
27 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
28 argument to count_type_elements call.
29 * tree-sra.c (decide_block_copy): Likewise.
30 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
31 for a constant-sized object, set cleared as well. Pass true as
32 second argument to count_type_elements call.
34 2005-08-23 Alan Modra <amodra@bigpond.net.au>
37 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
38 from legitimate_small_data_p, and make global. Update use.
39 Remove forward declaration.
40 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
42 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
44 2005-08-23 David Edelsohn <edelsohn@gnu.org>
46 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
47 of scratch intermediates.
48 (eq<mode>_compare): Same.
50 (neg_eq<mode>): Convert to define_insn_and_split.
52 2005-08-23 Alan Modra <amodra@bigpond.net.au>
55 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
56 stdarg functions, set/clear the fp marker even when no variable
58 * config/rs6000/sysv4.opt (mprototype): Describe.
60 2005-08-22 Jakub Jelinek <jakub@redhat.com>
62 PR rtl-optimization/23478
63 * regs.h (reg_info): Add throw_calls_crossed.
64 (REG_N_THROWING_CALLS_CROSSED): Define.
65 * flow.c (allocate_reg_life_data): Initialize
66 REG_N_THROWING_CALLS_CROSSED.
67 (propagate_one_insn, attempt_auto_inc): Update
68 REG_N_THROWING_CALLS_CROSSED.
69 * global.c (global_alloc): Don't allocate pseudos across
72 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
75 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
76 value is inbetween the range if we did not find an exact match.
78 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
80 * doc/invoke.texi (Option Summary): Add ms1 options.
81 * doc/extend.texi: Document interrupt handler attribute for ms1.
82 * doc/md.texi: Document ms1 constraints.
83 * config.gcc: Add ms1-*-elf.
84 * config/ms1/ms1.h: New.
85 * config/ms1/ms1.c: New.
86 * config/ms1/ms1.md: New.
87 * config/ms1/ms1-protos.h: New.
88 * config/ms1/ABI.txt: New.
89 * config/ms1/crti.asm: New.
90 * config/ms1/crtn.asm: New.
91 * config/ms1/lib2extra-funcs.c: New.
92 * config/ms1/t-ms1: New.
93 * config/ms1/ms1.opt: New.
95 2005-08-22 Ira Rosen <irar@il.ibm.com>
97 * config/rs6000/altivec.md (xorv4sf3): New.
98 (negv4sf2, neg<mode>2): Likewise.
100 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
103 * config/ia64/ia64.md (divsi3): Check divide by zero.
108 2005-08-21 Jakub Jelinek <jakub@redhat.com>
110 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
111 up to elem_bitsize bits, not max_bitsize.
113 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
115 PR tree-optimization/23433
116 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
117 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
119 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
121 PR tree-optimization/23434
122 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
123 the iteration bound is not an INTEGER_CST.
125 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
127 * tree-vect-transform.c (get_initial_def_for_reduction): Set
128 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
129 NULL if need_epilog_adjust is false.
130 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
131 Case 3 always peels first itration, not just for PLUS case, and no need
132 to use scalar_initial_def here. Create an epilog adjustment only if
133 scalar_initial_def is not NULL.
135 (vectorizable_reduction): Remove assert.
137 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
140 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
141 (__moddi3): Likewise.
142 (__udivdi3): Likewise.
143 (__umoddi3): Likewise.
144 (__divsi3): Likewise.
145 (__modsi3): Likewise.
146 (__udivsi3): Likewise.
147 (__umodsi3): Likewise.
149 2005-08-20 Jakub Jelinek <jakub@redhat.com>
151 * tree-pass.h (TDF_GRAPH): Define.
152 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
153 * passes.c (finish_optimization_passes): Only call
154 finish_graph_dump_file if TDF_GRAPH is set.
155 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
156 NULL. Set TDF_GRAPH bit.
157 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
159 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
161 * arm.h (arm_stack_offsets): Add locals_base field.
162 * arm.c (arm_get_frame_offsets): Compute it.
163 (thumb_compute_initial_elimination offset): Make the Thumb frame
164 pointer point to the base of the local variables.
165 (thumb_expand_prologue): Update accordingly.
166 (thumb_expand_epilogue): Likewise.
168 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
169 mode of clobbered scratch to DImode. Handle a case that's known to
172 2005-08-19 David Edelsohn <edelsohn@gnu.org>
174 * config/rs6000/rs6000.md (gt0<mode>): Delete.
175 (gt0<mode>_compare): Delete.
176 (neg_gt0<mode>): Delete.
178 2005-08-19 Eric Christopher <echristo@apple.com>
180 * optabs.h: Change CTI_ to COI_.
183 2005-08-19 James E Wilson <wilson@specifix.com>
185 * builtins.c (expand_builtin_return_addr): Set
186 current_function_accesses_prior_frames when count != 0. Use
187 frame_pointer_rtx when count == 0.
188 * function.h (struct function): Add accesses_prior_frames field.
189 (current_function_accesses_prior_frames): Define.
190 * reload1.c (init_elim_table): Check
191 current_function_accesses_prior_frames.
192 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
194 2005-08-19 Diego Novillo <dnovillo@redhat.com>
196 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
197 indicator. Return true if the flowgraph changed during
200 2005-08-19 Diego Novillo <dnovillo@redhat.com>
203 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
204 conditional expression before testing its value.
206 2005-08-19 Diego Novillo <dnovillo@redhat.com>
208 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
210 2005-08-19 Devang Patel <dpatel@apple.com>
212 PR tree-optimization/23048
213 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
214 third parameter. Check whether latch is dominated by exit
216 (if_convertible_loop_p): Supply exit block itself to
219 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
222 * arm.md (arm_load_pic_register): Change argument to the mask of
223 saved registers. Call thumb_find_work_register if we need a
224 scratch register on Thumb.
225 (arm_expand_prologue): Pass empty register set to
226 arm_load_pic_register.
227 (thumb_expand_prologue): Pass live_regs_mask directly to
228 arm_load_pic_register.
229 * arm-protos.h (arm_load_pic_register): Update prototype.
231 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
233 * sh.c (find_sole_member): New function.
234 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
235 if the record's alignment is larger than the size of its only member.
237 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
240 * arm.c (thumb_legitimize_reload_address): New function.
241 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
242 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
244 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
246 * config/crx/crx.c: Implement crx_decompose_address. Reject
247 symbolic displacements since CRX register relative adressing
248 mode can't handle unsigned 32-bit values as displacements.
249 * config/crx/crx.h: Simplify definitions, remove redundant
250 parenthesis and obsolete macros.
251 * config/crx/crx.opt: Add new switch for debugging addresses.
252 * config/crx/crx-protos.h: Add new declarations for above.
254 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
257 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
260 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * collect2.c (dup2): Delete.
263 * configure.ac: Don't check for dup2.
265 * config.in, configure: Regenerate.
267 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
269 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
270 record with the type of its only member.
272 2005-08-18 David Edelsohn <edelsohn@gnu.org>
274 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
275 define_insn_and_split.
276 (plus_ltu<mode>_compare): Same.
277 (gtu<mode>_compare): Same.
278 (plus_gtu<mode>_compare): Same.
280 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
282 PR tree-optimization/22228
283 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
285 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
286 are recorded in vect_vnames_to_rename for renaming.
287 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
288 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
289 in vect_vnames_to_rename.
290 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
291 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
293 2005-08-18 Jan Hubicka <jh@suse.cz>
296 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
297 info only for local statics, not for member variables.
299 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
301 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
303 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
305 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
307 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
310 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
312 2005-08-17 James E Wilson <wilson@specifix.com>
314 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
317 2005-08-17 David Edelsohn <edelsohn@gnu.org>
319 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
320 (leu<mode>_compare): Same.
321 (plus_leu<mode>): Same.
322 (neg_leu<mode>): Same.
323 (and_neg_leu<mode): Same.
324 (ltu<mode>_compare): Same.
325 (plus_ltu<mode>): Same.
327 (geu<mode>_compare): Same.
328 (plus_geu<mode>): Same.
329 (neg_geu<mode>): Same.
330 (and_neg_geu<mode>): Same.
331 (plus_gt<mode>): Same.
332 (gtu<mode>_compare): Same.
333 (plus_gtu<mode>): Same.
335 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
337 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
338 Move call_table_data to end. Delete spurious .text.
339 (callt_save_all_interrupt): Fix comment typo.
341 2005-08-17 James E Wilson <wilson@specifix.com>
342 Kevin Winchester <winchester@amirix.com>
345 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
347 2005-08-17 Uros Bizjak <uros@kss-loka.si>
350 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
351 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
353 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
355 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
356 record with the type of its only member if the modes don't match.
358 * varasm.c (decode_reg_name): Skip empty additional register names.
360 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
362 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
363 lsm_tmp_name_length): New.
364 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
365 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
367 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
368 Andreas Krebbel <krebbel1@de.ibm.com>
370 * config.gcc: Added z9-109 switch.
371 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
372 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
373 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
374 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
375 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
376 for "z9_109" cpu attribute.
377 * config/s390/s390.c (z9_109_cost): New processor cost structure.
378 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
379 (s390_handle_arch_option): Added z9-109 switch.
380 (override_options): Set respective cost function for z9-109.
381 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
382 (legitimate_reload_constant_p): Accept extended immediates.
383 (print_operand): Three new output modifiers added: k, m and o.
384 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
385 (s390_output_mi_thunk): Use extended immediate when possible.
386 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
387 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
388 (CONSTRAINT_LEN): Added length of O constraint.
389 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
390 * config/s390/s390.md ("cpu"): New value z9_109 added.
391 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
392 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
393 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
394 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
395 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
396 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
397 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
398 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
399 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
400 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
401 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
402 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
403 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
404 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
405 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
407 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
408 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
409 insns for TARGET_EXTIMM.
411 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
413 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
415 2005-08-17 Nick Clifton <nickc@redhat.com>
417 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
418 Call default_encode_section_info.
420 2005-08-17 Steven Bosscher <stevenb@suse.de>
422 PR tree-optimization/21574
423 * tree-ssa-ccp.c (likely_value): If the right hand side is a
424 constant, return CONSTANT.
425 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
426 (ccp_fold, visit_assignment): Likewise.
427 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
429 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
431 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
432 fold_buildN instead of buildN then fold_initializer or fold.
433 (build_unary_op): Likewise.
434 (build_binary_op): Likewise.
435 * fold-const.c (fold_initializer): Remove.
436 (fold_build1_initializer): New function.
437 (fold_build2_initializer): New function.
438 (fold_build3_initializer): New function.
439 * tree.h (fold_initializer): Remove.
440 (fold_build1_initializer): New function.
441 (fold_build2_initializer): New function.
442 (fold_build3_initializer): New function.
444 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
446 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
447 (try_move_mult_to_index): Call fold_build2 instead of build2.
448 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
449 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
450 fold_binary_to_constant.
451 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
453 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
454 check if A == gcd (A, B). Remove TYPE argument.
455 (analyze_offset) Use fold_build2 instead of fold (build.
456 (create_data_ref): Likewise.
457 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
458 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
461 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
463 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
464 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
466 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
469 * gimplify.c (zero_sized_type): New function.
470 (gimplify_modify_expr_rhs): If we have a zero sized type,
471 replace the statement with an empty statement.
473 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
475 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
478 2005-08-16 Ian Lance Taylor <ian@airs.com>
480 * doc/tm.texi (Label Output): Correct typo.
482 2005-08-16 Steven Bosscher <stevenb@suse.de>
485 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
486 force_operand will work later on using have_insn_for.
488 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
490 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
492 2005-08-16 Ian Lance Taylor <ian@airs.com>
495 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
496 vector type, don't try to construct it element by element. Add an
497 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
499 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
501 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
503 2005-08-16 Geoffrey Keating <geoffk@apple.com>
505 * doc/invoke.texi (Precompiled Headers): Document some more options
506 which are known to be safe.
508 2005-08-16 James E Wilson <wilson@specifix.com>
510 PR tree-optimization/21105
511 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
514 2005-08-16 David Edelsohn <edelsohn@gnu.org>
516 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
517 (neg_ltu<mode>): Same.
519 (neg_gtu<mode>): Same.
521 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
523 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
524 (fold_builtin_isdigit): Use fold_buildN.
525 (build_function_call_expr): Likewise.
526 * c-typeck.c (c_finish_loop): Likewise.
528 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
529 Richard Shann <rshann@superh.com>
532 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
534 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
536 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
538 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
541 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
542 arm_compure_save_reg0_reg12_mask to determine when the PIC register
545 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
548 * fold-const.c (build_range_check): Disable optimization for function
549 pointer expressions on targets that require function pointer
552 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
554 * simplify-rtx.c (simplify_const_relational_operation): When
555 extracting arguments of a COMPARE, recompute the mode as well.
557 2005-08-15 Ian Lance Taylor <ian@airs.com>
559 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
561 2005-08-15 DJ Delorie <dj@redhat.com>
563 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
565 (movsi_splittable): Allow, but split, moves to the stack.
566 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
569 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
572 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
573 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
575 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
576 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
577 Delete HOST_PTR_PRINTF.
579 * configure, config.in: Regenerate.
581 2005-08-15 David Edelsohn <edelsohn@gnu.org>
583 * config/rs6000/rs6000.md (QHSI): New mode macro.
584 (wd): Extend mode attr for QImode and HImode
585 (dbits): New mode attr.
586 (zero_extend<mode>di2): Convert to mode macro.
588 2005-08-15 Steve Ellcey <sje@cup.hp.com>
591 * doc/invoke.texi (-mgnu-ld): Update description.
594 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
597 * Makefile.in (tree-chrec.o): Depends on real.h.
598 * tree-chrec.c: Include real.h.
599 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
600 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
601 * tree-scalar-evolution.c (add_to_evolution_1,
602 interpret_rhs_modify_expr): Ditto.
604 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
607 * tree-data-ref.c (estimate_niter_from_size_of_data): When
608 step is negative compute the estimation from init downwards to zero.
610 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
612 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
614 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
616 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
618 (legitimate_reload_constant_p): Fix handling of lliXX operands.
619 Accept double-word constants that can be split.
620 * config/s390/s390.md ("movti"): Use 'P' constraint.
621 ("*movdi_31", "*movdf_31"): Likewise.
623 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
625 Fix PR tree-optimization/22615
627 * tree-ssa-structalias.c (solution_set_add): Handle
628 first_vi_for_offset returning NULL.
629 (do_da_constraint): Ditto.
630 (do_sd_constraint): Ditto.
631 (do_ds_constraint): Ditto
632 (find_func_aliases): Ditto.
633 (build_constraint_graph): RHS is allowed be ANYTHING.
634 (first_vi_for_offset): Return NULL if we couldn't find anything at
637 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
639 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
640 over memory as first operand.
642 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
645 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
646 available for setting it.
648 2005-08-14 Ira Rosen <irar@il.ibm.com>
650 PR tree-optimization/23320
651 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
652 data-refs' types instead of base object nullness. Add check for
653 pointer type data-refs before first location comparison. Remove
656 2005-08-14 Andreas Schwab <schwab@suse.de>
658 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
660 2005-08-13 James E Wilson <wilson@specifix.com>
662 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
663 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
664 -fstack-protector-all, --param ssp-buffer-size): Document.
665 (-Wvariadic-macros): Alphabetize.
666 (-fsched-stalled-insns-dep): Add missing 'f'.
668 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
671 2005-08-13 David Edelsohn <edelsohn@gnu.org>
673 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
674 or indirect address operand.
675 (EXTRA_ADDRESS_CONSTRAINT): New.
676 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
678 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
680 PR tree-optimization/22236
681 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
682 successors and predecessors.
683 * tree-chrec.c (chrec_convert): Before converting, check that
684 sequences don't wrap.
685 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
686 (analyze_array): Extern.
687 (find_data_references_in_loop): Remove call to
688 compute_estimated_nb_iterations.
689 * tree-data-ref.h (analyze_array): Declared.
690 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
691 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
692 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
693 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
695 * tree-ssa-loop-ivcanon.c: Fix documentation.
696 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
697 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
698 (infer_loop_bounds_from_undefined): New.
699 (estimate_numbers_of_iterations_loop): Use
700 infer_loop_bounds_from_undefined.
701 (used_in_pointer_arithmetic_p): New.
702 (scev_probably_wraps_p): Pass an extra parameter. Call
703 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
704 (convert_step): Fix documentation.
705 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
706 Use initial_condition_in_loop_num and evolution_part_in_loop_num
707 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
708 scev_probably_wraps_p.
710 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
712 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
713 (s390_register_info): Ignore clobbered_regs information for fixed
714 registers, and only fixed registers.
715 (s390_init_frame_layout): Remove redundant call.
717 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
719 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
720 description of -Wold-style-casts.
722 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
723 Jakub Jelinek <jakub@redhat.com>
725 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
726 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
727 * config/s390/s390.c (print_operand): New output modifier 'G' added.
728 (get_thread_pointer): Renamed to s390_get_thread_pointer.
729 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
730 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
731 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
732 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
733 ("stack_protect_set", "stack_protect_test"): New expanders.
734 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
735 "stack_protect_testdi"): New insn definitions.
737 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
739 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
741 2005-08-12 Paul Brook <paul@codesourcery.com>
743 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
745 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
747 * config/s390/predicates.md (setmem_operand): New predicate.
748 (shift_count_operand): Accept ANDs with special constants as
750 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
751 with special constants.
752 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
753 shift_count_operand with setmem_operand.
755 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
757 * config/s390/s390.c (s390_extract_part, s390_single_part):
759 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
760 (s390_output_mi_thunk): Don't use lg on 31 bit.
761 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
762 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
764 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
766 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
767 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
768 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
769 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
770 with one of the new macros.
772 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
774 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
775 Don't set save_return_addr_p.
776 (s390_register_info): Make clobbered_regs not depending on
779 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
781 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
782 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
784 2005-08-11 James E. Wilson <wilson@specifix.com>
786 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
788 2005-08-11 Jakub Jelinek <jakub@redhat.com>
790 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
791 locations gathered by var-tracking in single entry loc_list
792 over loc_descriptor_from_tree.
794 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
795 pass it down to loc_descriptor.
796 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
797 (containing_function_has_frame_base): Move earlier in the file.
798 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
799 instead of always assuming fbreg can't be used.
801 2005-08-11 David Edelsohn <edelsohn@gnu.org>
803 * config/rs6000/altivec.md: Change constraint "m" to "Z".
804 * config/rs6000/predicates.md (indexed_or_indirect_operand):
805 Accept address wrapped in AND for Altivec.
806 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
807 Strip AND wrapping offset address for Altivec.
809 2005-08-11 Richard Henderson <rth@redhat.com>
812 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
813 before using TYPE_IS_SIZETYPE.
815 2005-08-11 Richard Henderson <rth@redhat.com>
818 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
819 insn types not present on ev4.
820 (alphaev5_insn_pipe): Similarly.
822 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
825 * arm.c (arm_override_options): If the user has selected callee-super-
826 interworking, then enable normal interworking.
828 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
830 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
833 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
835 * doc/rtl.texi: Fix two typos.
837 2005-08-11 Richard Guenther <rguenther@suse.de>
840 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
841 cases where we call to/from functions returning void.
843 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
846 * tree.c (build_pointer_type_for_mode): Robustify.
848 2005-08-10 James E Wilson <wilson@specifix.com>
850 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
851 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
853 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
856 2005-08-10 Eric Christopher <echristo@apple.com>
858 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
859 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
862 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
865 * config/darwin.c (machopic_indirect_data_reference): Use a new register
866 for the high part when generating dynamic-no-pic code.
868 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
870 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
871 (x86_64-*-linux*): Likewise.
873 * config/i386/crtfastmath.c: New file.
874 * config/i386/t-crtfm: Likewise.
876 * config/i386/linux.h (ENDFILE_SPEC): New.
877 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
879 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
882 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
884 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
885 (vec_shl, vec_shr): Document new operations.
886 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
888 2005-08-10 David Edelsohn <edelsohn@gnu.org>
890 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
891 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
892 change predicate to indexed_or_indirect_address.
894 2005-08-10 Richard Sandiford <richard@codesourcery.com>
896 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
897 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
898 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
900 * config/arm/unaligned-funcs.c: New file.
901 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
903 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
905 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
907 * cfglayout.c (pass_insn_locators_initialize): Add dump.
908 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
910 * except.c (pass_convert_to_eh_region_ranges): Add dump.
911 * final.c (pass_shorten_branches): Add dump.
912 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
913 (pass_life): Rename dump.
914 (rest_of_handle_flow2): Remove initial verify_flow_info.
915 * function.c (pass_instantiate_virtual_regs): Add dump.
916 * integrate.c (pass_initial_value_sets): Add dump.
917 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
918 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
919 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
920 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
921 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
922 gate_rtl_unrool_and_peel_loops): New.
923 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
924 rtl_doloop): Do not look at flags.
925 * mode-switching.c (pass_mode_switching): Add dump.
926 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
927 pass_split_before_regstack): Add dump.
928 * regmove.c (pass_stack_adjustments): Add dump.
929 * tree-optimize.c (pass_fixup_cfg): Add dump.
931 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
934 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
935 deciding which instruction sequence to use.
937 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
939 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
940 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
942 2005-08-09 Richard Guenther <rguenther@suse.de>
944 * c-common.c (builtin_function_2): Remove.
945 (def_builtin_1): New function.
946 (c_common_nodes_and_builtins): Use def_builtin_1 to
947 build builtin functions.
949 2005-08-09 Jie Zhang <jie.zhang@analog.com>
951 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
952 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
953 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
956 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
958 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
959 fold_binary instead of fold_build2 since we don't care about the
961 (loop_niter_by_eval): Likewise.
962 (compare_trees): Likewise.
963 (proved_non_wrapping_p): Likewise.
965 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
969 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
970 if the if is really empty.
972 2005-08-09 Steven Bosscher <stevenb@suse.de>
974 PR tree-optimization/23234
975 * tree-ssa-math-opts.c (place_reciprocal): New enum.
976 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
977 argument of the new enum.
978 (execute_cse_reciprocals): Add reciprocals for function arguments
979 on the unique successor edge of the entry block. Update other calls
980 to execute_cse_reciprocals_1.
982 2005-08-08 Richard Henderson <rth@redhat.com>
985 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
987 2005-08-08 Bob Wilson <bob.wilson@acm.org>
989 * expr.c (write_complex_part): Return after handling MEM.
991 2005-08-08 Josh Conner <jconner@apple.com>
993 PR rtl-optimization/23241
994 * combine.c (simplify_comparison): Fix error in determining
995 whether to lift a subreg from comparison.
997 2005-08-08 David Edelsohn <edelsohn@gnu.org>
1000 * config/rs6000/altivec.md (vec_init<mode>): New.
1001 (vec_set<mode>): New.
1002 (vec_extract<mode>): New.
1003 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
1004 (rs6000_expand_vector_set): New.
1005 (rs6000_expand_vector_extract): New.
1006 (rs6000_legitimate_offset_address_p): Offset addresses are valid
1007 for Altivec modes before reload.
1008 (altivec_expand_vec_init_builtin): New.
1009 (get_element_number): New.
1010 (altivec_expand_vec_set_builtin): New.
1011 (altivec_expand_vec_ext_builtin): New.
1012 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
1014 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
1016 * config/rs6000/rs6000.h (rs6000_builtins): Add
1017 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
1018 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
1019 * config/rs6000/rs6000-protos.h: Declare new functions.
1021 2005-08-08 Jan Hubicka <jh@suse.cz>
1023 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
1024 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
1025 * i386.md (movdi*): Use pic_32bit_operand.
1026 * predicates.md (pic_32bit_operand): New.
1028 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
1031 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
1033 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
1035 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
1036 (test_for_singularity): Use fold_build2.
1038 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1040 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
1042 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
1044 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1045 (COMMON_ASM_OP) Define.
1046 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
1047 (ix86_encode_section_info): Likewise.
1048 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
1049 SUBTARGET_ENCODE_SECTION_INFO.
1051 2005-08-06 Richard Henderson <rth@redhat.com>
1054 * tree-nested.c (convert_local_reference): Save and restore val_only
1055 around component_ref and friends. Clear walk_subtrees by default.
1057 2005-08-06 Peter O'Gorman <peter@pogma.com>
1060 * gcc.c (process_command): Check the argument to -b has a dash.
1061 * doc/invoke.texi: Update -b and -V docs.
1063 2005-08-06 James E Wilson <wilson@specifix.com>
1065 * config/mips/cross64.h, config/mips/t-cross64: Delete.
1067 2005-08-06 Michael Matz <matz@suse.de>
1069 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
1070 member only if only one insn is associated with the value.
1072 2005-08-06 Nick Clifton <nickc@redhat.com>
1074 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
1076 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
1077 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
1078 Check symbol flags instead of symbol name mangling.
1079 (xstormy16_asm_output_aligned_common): Likewise. Also
1080 simplify code since the bss100_section cass is the only case
1081 where the below100 code will be triggered.
1082 (xstormy16_encode_section_info): Encode below100 attribute
1083 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
1085 (xstormy16_strip_name_encoding): Delete - this function is no
1087 (TARGET_STRIP_NAME_ENCODING): Undefine.
1088 * config/stormy16/stormy16-protos.h: Delete prototype for
1089 xstormy16_strip_name_encoding.
1091 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
1093 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
1094 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
1095 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
1096 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
1097 config/alpha/predicates.md, config/arc/arc.h,
1098 config/arm/arm.h, config/arm/ieee754-df.S,
1099 config/arm/ieee754-sf.S, config/bfin/bfin.c,
1100 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
1101 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
1102 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
1103 config/m68hc11/m68hc11.h, config/mips/mips.c,
1104 config/mips/mips.h, config/mips/openbsd.h,
1105 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
1106 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
1107 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
1108 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1109 config/sparc/linux.h, config/sparc/linux64.h,
1110 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
1111 doc/extend.texi, doc/gcov.texi, doc/install.texi,
1112 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
1113 typos. Follow spelling conventions.
1115 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
1118 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
1119 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
1120 specially. Check for side effects only for COND_EXPR.
1121 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
1122 return with TREE_NO_WARNING.
1124 2005-08-06 Richard Sandiford <richard@codesourcery.com>
1126 PR rtl-optimization/23233
1127 * loop.c (combine_movables): Require the modes to be the same.
1128 (move_movables): Remove handling of cases where the replacement
1129 had a different mode to the original.
1131 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
1133 PR tree-optimization/23128
1134 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
1135 subtraction wrap, and set TREE_OVERFLOW if they do.
1137 2005-08-05 Richard Henderson <rth@redhat.com>
1140 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
1141 FORCED_LABEL labels.
1143 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
1146 * reload.c (find_reloads_subreg_address): Pass down TYPE
1147 unchanged. Change all callers except find_reloads_toplev.
1149 2005-08-05 Michael Matz <matz@suse.de>
1151 * genattrtab.c (current_alternative_string): Remove.
1152 (SIMPLIFY_ALTERNATIVE): Ditto.
1153 (attr_alt_bit_p): Ditto.
1154 (alternative_name): Make const char *.
1155 (evaluate_eq_attr): Remove use of above things.
1156 (simplify_test_exp): Ditto.
1157 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
1158 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
1160 2005-08-04 James E Wilson <wilson@specifix.com>
1162 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
1163 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
1164 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
1165 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
1166 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
1168 2005-08-04 Richard Henderson <rth@redhat.com>
1171 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
1172 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
1173 * tree-sra.c (decide_block_copy): Use it. Disable element copy
1174 if we'd have to instantiate too many members.
1176 2005-08-04 Richard Henderson <rth@redhat.com>
1179 * tree-outof-ssa.c (coalesce_asm_operands): New.
1180 (coalesce_ssa_name): Use it. Split out ...
1181 (coalesce_phi_operands, coalesce_result_decls): ... these.
1183 2005-08-04 Paul Brook <paul@codesourcery.com>
1185 * read-rtl.c (read_quoted_string): Break if EOF.
1187 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
1189 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
1190 (fold_build2): Likewise.
1191 (fold_build3): Likewise.
1192 (fold_build1_stat): New function prototype.
1193 (fold_build2_stat): Likewise.
1194 (fold_build3_stat): Likewise.
1195 * fold-const.c (fold_build1): Rename to ..
1196 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1197 through to build1_stat.
1198 (fold_build2): Rename to ..
1199 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1200 through to build2_stat.
1201 (fold_build3): Rename to ..
1202 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
1203 through to build3_stat.
1205 2005-08-04 David Edelsohn <edelsohn@gnu.org>
1206 Ian Lance Taylor <ian@airs.com>
1208 * function.c (assign_stack_local_1): Do not correct stack slot
1209 address if allocation size is smaller than mode size.
1211 2005-08-04 Diego Novillo <dnovillo@redhat.com>
1214 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
1215 (tree_merge_blocks): Propagate anything allowed by
1217 Clarify documentation.
1218 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
1219 SSA form, schedule an update if necessary.
1221 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
1223 * doc/install.texi (Binaries): Remove broken link to
1224 Sinix/Reliant Unix binaries.
1226 2005-08-03 Richard Henderson <rth@redhat.com>
1229 * function.c (stack_protect_epilogue): Export.
1230 * tree.h (stack_protect_epilogue): Declare.
1231 * calls.c (expand_call): Call it.
1233 2005-08-03 Eric Christopher <echristo@apple.com>
1235 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
1236 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
1239 2005-08-04 Jan Hubicka <jh@suse.cz>
1241 * profile.c (branch_prob): Split edges with goto locus on them
1242 to get proper line counts.
1243 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
1245 2005-08-03 Paul Brook <paul@codesourcery.com>
1247 * function.c (assign_parms): Round current_function_args_size
1248 to PARM_BOUNDARY, not STACK_BOUNDARY.
1250 2005-08-03 Geoffrey Keating <geoffk@apple.com>
1252 * config/i386/i386.c (x86_elf_aligned_common)
1253 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
1255 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
1257 PR tree-optimization/23157
1258 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
1259 before emitting them.
1261 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1263 PR tree-optimization/19899
1264 * Makefile.in (tree-scalar-evolution.o): Add real.h.
1265 * tree-scalar-evolution.c: Include real.h.
1266 (add_to_evolution): Build constant -1 of correct type.
1268 2005-08-03 Jan Hubicka <jh@suse.cz>
1270 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1271 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1272 profile updating for complette unrolling.
1273 * loop-unroll.c (peel_loop_completely): Use it.
1274 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1275 (tree_unroll_loops_completely): Disable code growing unrolling of cold
1278 2005-08-03 Paul Brook <paul@codesourcery.com>
1280 * combine.c (can_change_dest_mode): New function.
1281 (try_combine, simplify_set): Use it.
1283 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
1285 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1288 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
1290 * doc/install.texi (Specific): Adjust link to openavr.org.
1291 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1292 (Binaries): Adjust HP-UX Porting Center link.
1293 (Binaries): Adjust Free Software Foundation ordering link.
1295 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
1297 * convert.c (convert_to_integer): Use fold_build1 instead of
1298 build1 when converting an integer to an integer.
1300 2005-08-02 Richard Henderson <rth@redhat.com>
1302 * combine.c (combine_instructions): Don't use reg_equal/equiv
1303 results if the mode doesn't match.
1305 2005-08-02 Mark Mitchell <mark@codesourcery.com>
1307 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1308 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1310 2005-08-02 Richard Henderson <rth@redhat.com>
1313 * explow.c (memory_address): Remove special-case for
1314 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1316 2005-08-02 Diego Novillo <dnovillo@redhat.com>
1319 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1320 number of calls to cleanup_tree_cfg_1.
1322 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
1324 * doc/invoke.texi: document file extensions .F90 and .F95
1326 2005-08-02 Richard Guenther <rguenther@suse.de>
1328 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1329 positive if its first argument is positive.
1331 2005-08-02 Richard Guenther <rguenther@suse.de>
1333 PR tree-optimization/23177
1334 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1337 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
1339 PR tree-optimization/23129
1340 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1341 varying for divisions with anti-ranges.
1343 2005-08-02 Jan Hubicka <jh@suse.cz>
1345 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1346 * tree-ssa-threadupdate.c (thread_block): Add it here.
1348 2005-08-01 James E Wilson <wilson@specifix.com>
1350 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1351 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1352 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1354 * config/mips/predicates.md (const_call_insn_operand): Add check for
1355 SYMBOL_REF_LONG_CALL_P.
1356 * doc/extend.texi (long_call): Document the new attribute.
1358 2005-08-01 Ian Lance Taylor <ian@airs.com>
1359 Richard Henderson <rth@redhat.com>
1361 * Makefile.in (RTL_BASE_H): Add real.h.
1362 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1364 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1366 * rtl.c (rtl_check_failed_code_mode): New.
1367 * rtl.h (struct rtx_def): Add u.rv.
1368 (XCMWINT, XCNMPRV): New.
1369 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1370 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1372 2005-08-01 Richard Henderson <rth@redhat.com>
1374 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1375 with auto-inc codes.
1377 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1379 2005-08-01 Jan Hubicka <jh@suse.cz>
1381 * i386-protos.h (asm_preferred_eh_data_format): Declare.
1382 * i386.c: Include dwarf2.h
1383 (asm_preferred_eh_data_format): New.
1384 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1386 2005-08-01 Ian Lance Taylor <ian@airs.com>
1388 * config/host-linux.c (linux_gt_pch_get_address): Add new name
1389 randomize_va_space for virtual address randomization control.
1391 2005-08-01 Steven Bosscher <stevenb@suse.de>
1393 * common.opt (flag_ipa_cp): Put in right place to maintain
1396 2005-08-01 Jan Hubicka <jh@suse.cz>
1398 * profile.c (compute_value_histograms): Fix thinko.
1399 * value-prof.c: Include toplev.h
1400 (check_counter): New function.
1401 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1402 tree_mod_subtract_transform): Add sanity check.
1404 2005-08-01 Richard Guenther <rguenther@suse.de>
1406 PR tree-optimization/23133
1407 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1408 current functions parameter decls to find defs to cse
1411 2005-08-01 Richard Guenther <rguenther@suse.de>
1413 PR tree-optimization/23109
1414 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1415 If trapping math is in effect, use post-dominator information
1416 to check if we'd in any case reach a trapping point before
1417 doing the reciprocal insertion.
1418 (execute_cse_reciprocals): Compute post-dominators, if necessary.
1419 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1420 expressions are invariant only if trapping math is not in effect.
1422 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1424 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1425 cgraph_function_versioning): New declarations.
1426 * cgraphunit.c: Add include to ipa-prop.h.
1427 (update_call_expr, cgraph_copy_node_for_versioning,
1428 cgraph_function_versioning): New functions.
1429 * integrate.c (copy_decl_for_inlining): Remove.
1430 * ipa-prop.h (ipa_replace_map): New struct.
1431 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1432 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1433 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1434 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1435 ipcp_iterate_stage, ipcp_method_scale_print,
1436 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1437 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1438 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1439 ipcp_update_bb_counts, ipcp_update_profiling,
1440 ipcp_update_edges_counts): New functions.
1441 (ipcp_method_cval_init): Remove restriction regarding local methods.
1442 (ipcp_init_stage): Add ipcp_method_compute_scale.
1443 (ipcp_insert_stage): Add versioning.
1444 (ipcp_structures_print): Add ipcp_method_scale_print.
1445 (ipcp_driver): Dump profiling info.
1446 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1447 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1448 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1449 (struct inline_data): Add versioning_p, ipa_info, new fields.
1450 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1451 declare_return_variable): Replace calls to copy_decl_for_inlining with
1453 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1455 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1456 Add argument VERSIONING.
1457 (copy_arguments_for_versioning, copy_static_chain,
1458 function_versionable_p, tree_versionable_function_p,
1459 tree_function_versioning, replace_ref_tree): New functions.
1460 * tree-inline.h: Include varray.h.
1461 (tree_versionable_function_p, tree_function_versioning,
1462 tree copy_decl_for_dup): New declarations.
1464 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
1466 * ipa-cp.c: New file. Contains IPCP specific functionality.
1467 * ipa-prop.h: New file. Contains structures/definitions that can be
1468 used by several interprocedural data flow optimizations (and also IPCP).
1469 * ipa-prop.c: New file.
1470 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1471 * common.opt: Add ipa-cp flag.
1472 * timevar.def: Add IPCP optimization.
1473 * tree-optimize.c (init_tree_optimization_passes): Schedule
1475 * tree-pass.h (pass_ipa_cp): Declare.
1477 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
1479 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1480 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1481 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1482 config/i386/i386.c, config/mips/mips.h,
1483 config/rs6000/rs6000.h, config/sh/sh.c,
1484 config/stormy16/stormy16.c: Fix comment typos.
1486 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
1489 * c-typeck.c (build_binary_op): Use common_type wrapper on
1491 (common_type): Update comment.
1493 2005-07-31 Steven Bosscher <stevenb@suse.de>
1496 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1497 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1498 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1500 2005-07-31 Jan Hubicka <jh@suse.cz>
1502 * pretty-print.h (pp_widest_integer): New macro.
1503 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1506 2005-07-31 Jan Hubicka <jh@suse.cz>
1508 * output.h (enum section_category): Export from varasm.c
1509 (categorize_decl_for_section): Likewise.
1510 * varasm.c (enum section_category): Kill.
1511 (categorize_decl_for_section): Make global.
1512 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1514 * i386.c (ix86_section_threshold): New static variable.
1515 (ix86_in_large_data_p, ix86_encode_section_info,
1516 x86_64_elf_unique_section,
1517 x86_64_elf_select_section): New functions.
1518 (TARGET_ENCODE_SECTION_INFO): Define
1519 (override_options): Enable medium model for PIC.
1520 (ix86_expand_prologue): Expand gen_set_got_rex64.
1521 (legitimate_constant_p): Handle new UNSPECs.
1522 (legitimate_pic_address_disp_p): Likewise.
1523 (legitimize_pic_address): Lower MEDIUM model addressing.
1524 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1525 (enum cmodel): Add MEDIUM_PIC.
1526 (SYMBOL_REF_FAR_ADDR_P): New macro.
1527 (SYMBOL_FLAG_FAR_ADDR): New flag.
1528 * i386.md (movdi): Support medium model.
1529 (set_got_rex64): New pattern.
1530 * i386.opt (mlarge-data-threshold): New flag.
1531 * predicates.md (zext_operand/sext_operand): Deal with medium model.
1532 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1533 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1534 TARGET_ASM_UNIQUE_SECTION): New.
1536 * invoke.texi (-mlarge_data_threshold): Document
1538 2005-07-31 Jan Hubicka <jh@suse.cz>
1540 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1541 (coalesce_vars): Likewise.
1542 * tree-ssa-live.c (coalesce_cost): New.
1543 (build_tree_conflict_graph): Use coalesce_cost.
1544 * tree-ssa-live.h (coalesce_cost): Declare.
1546 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
1548 * arm.md (all peepholes for post-increment operations): Delete.
1549 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1550 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1551 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1552 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1553 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1555 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
1557 * fold-const.c (tree_expr_nonnegative_p): Always return true for
1560 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
1563 * doc/invoke.texi: Document -rdynamic.
1565 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
1568 * c-parser.c (c_parser_parms_list_declarator): Call
1569 mark_forward_parm_decls.
1570 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1571 decls with visibility structure.
1573 2005-07-30 Paul Brook <paul@codesourcery.com>
1575 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1577 2005-07-30 Paul Brook <paul@codesourcery.com>
1579 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1581 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1583 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1585 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1588 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1589 nested function declarators.
1590 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1591 (grokparms): Call warn_if_shadowing for parameters used within the
1593 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1594 not used within the parameter list.
1595 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1597 2005-07-30 Jan Hubicka <jh@suse.cz>
1599 * expr.c (expand_expr_real_1): Do not load mem targets into register.
1600 * i386.c (ix86_fixup_binary_operands): Likewise.
1601 (ix86_expand_unary_operator): Likewise.
1602 (ix86_expand_fp_absneg_operator): Likewise.
1603 * optabs.c (expand_vec_cond_expr): Validate dest.
1605 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1608 * real.c (real_from_string): Also set last bit if there is a
1609 nonzero hex digit beyond GCC's internal precision after ".".
1611 2005-07-29 David Edelsohn <edelsohn@gnu.org>
1613 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1614 define_constants. Change duplicate values to unassigned numbers.
1615 Change UNSPEC_SUBS to UNSPEC_VSUBS.
1616 (*altivec_vspltsf): New.
1617 (altivec_vperm_v4sf): Delete.
1618 (altivec_vperm_<mode>): Use mode macro V.
1619 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1620 (altivec_predicate_v4sf): Delete.
1621 (altivec_predicate_<mode>): Use mode macro V.
1622 (*altivec_lvesfx): New.
1623 (*altivec_stvesfx): New.
1624 (vec_realign_load_v4sf): Delete.
1625 (vec_realign_load_<mode>): Use mode macro V.
1626 * config/rs6000/rs6000.c (generate_set_vrsave): Use
1629 2005-07-29 Mark Mitchell <mark@codesourcery.com>
1632 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1634 * configure: Regenerated.
1636 2005-07-29 Paul Brook <paul@codesourcery.com>
1638 * doc/install.texi: Add link to GFortran binaries wiki page.
1640 2005-07-29 David Ung <davidu@mips.com>
1642 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1643 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1644 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1645 * config/mips/mips.md (cpu): Add 5kf name.
1646 (includes): Includes 5k.md.
1647 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1648 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1651 2005-07-29 Diego Novillo <dnovillo@redhat.com>
1654 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1655 (cleanup_tree_cfg): ... here.
1656 Call cleanup_tree_cfg_1 until there are no more cleanups to
1659 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
1661 * tree-vrp.c (compare_range_with_value): Return true or false
1662 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1663 EQ_EXPR respectively.
1665 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
1667 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1670 2005-07-29 Diego Novillo <dnovillo@redhat.com>
1672 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1673 (tree_ssa_dominator_optimize): Increment it.
1674 (dump_dominator_optimization_stats): Print it.
1676 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
1677 Steven Bosscher <stevenb@suse.de>
1679 PR rtl-optimization/23117
1680 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1681 when head == tail. Tidy comment.
1683 2005-07-28 Richard Henderson <rth@redhat.com>
1685 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1686 * cselib.c (rtx_equal_for_cselib_p): Likewise.
1687 * jump.c (rtx_renumbered_equal_p): Likewise.
1688 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1689 CONST_INT and CONST_DOUBLE.
1690 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1691 * reload.c (operands_match_p): Special case CONST_INT and
1692 CONST_DOUBLE; check mode earlier.
1694 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1697 * c-typeck.c (convert_for_assignment): Do not check
1698 DECL_IN_SYSTEM_HEADER on NULL fundecl.
1700 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1703 * c-typeck.c (composite_type): Prefer constant size arrays to
1706 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
1709 * real.c (real_from_string): Set last bit if there is a nonzero
1710 hex digit beyond GCC's internal precision.
1712 2005-07-28 Richard Henderson <rth@redhat.com>
1715 * cfgcleanup.c (try_forward_edges): Watch out for end of
1718 2005-07-28 James E Wilson <wilson@specifixinc.com>
1721 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1723 2005-07-28 Jan Hubicka <jh@suse.cz>
1725 * Makefile.in (rtl-profile.o): Kill all traces of it.
1726 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1727 * coverage.h (rtl_coverage_counter_ref): Kill.
1728 * opts.c (flag_speculative_prefetching_set): Kill.
1729 (flag_loop_optimize_set): New.
1730 (common_handle_option): Disable loop optimizer when profiling;
1731 do not handle speculative prefetching.
1732 * passes.c (init_optimization_passes): Replace pass_profiling combo
1733 by branch_prob pass.
1734 * profile.c (compute_value_histograms): Update for simplified value
1736 (rtl_register_profile_hooks): Kill.
1737 (pass_profiling): Kill.
1738 (rest_of_handle_branch_prob): Do not profile.
1739 * toplev.c (process_options): Remove speculative prefetching.
1740 * toplev.h (flag_tree_based_profiling): Kill.
1741 * tree-profile.c (prepare_instrumented_value,
1742 tree_gen_interval_profiler, tree_gen_pow2_profiler,
1743 tree_gen_one_value_profiler, do_tree_profiling): Update for
1744 simplified datastructures.
1745 * value-prof.c: Add comment that speculative prefetching was dropped;
1746 update rest of file for simplified datastructures.
1747 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1748 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1749 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1750 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1751 rtl_mod_subtract, gen_speculative_prefetch,
1752 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1753 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1754 (gate_handle_value_profile_transformations,
1755 rest_of_handle_value_profile_transformations,
1756 pass_value_profile_transformations): Kill.
1757 * value-prof.h (histogram_value_t): Remove IL based unions.
1758 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1759 rtl_profile_hooks): Remove hooks.
1761 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1763 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1764 (cgraph_clone_node): Likewise.
1765 * cgraph.h (cgraph_clone_edge): Update prototype.
1766 (cgraph_clone_node): Likewise.
1767 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1769 (lookup_recursive_calls): Consider profile.
1770 (cgraph_decide_recursive_inlining): Fix updating; use new
1771 probability argument; use profile.
1772 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1773 * tree-inline.c (copy_bb): Update clal of clone_edge.
1774 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1776 * invoke.texi (min-inline-recursive-probability): Document.
1778 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
1780 * doc/install.texi (Configuration): Update Valgrind homepage.
1782 2005-07-28 Richard Henderson <rth@redhat.com>
1785 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1786 labels we want to delete.
1787 (cfg_layout_merge_blocks): Likewise.
1789 2005-07-28 Richard Henderson <rth@redhat.com>
1792 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1793 when expanding to nothing.
1795 2005-07-28 Josh Conner <jconner@apple.com>
1797 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1798 (cgraph_decide_inlining_of_small_functions): Likewise.
1800 2005-07-28 Josh Conner <jconner@apple.com>
1802 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
1803 direction of badness if negative.
1804 (cgraph_default_inline_p): Add reason to parameters, and assign it
1806 (cgraph_decide_inlining_of_small_functions): New parameter in call
1807 to cgraph_default_inline_p.
1808 (cgraph_decide_inlining_incrementally): Likewise.
1809 * cgraphunit.c (decide_is_function_needed): Likewise.
1810 * cgraph.h (cgraph_default_inline_p): Likewise.
1812 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1814 * builtins.c: Fix comment typo(s).
1815 * genautomata.c: Likewise.
1816 * gimplify.c: Likewise.
1817 * tree-dfa.c: Likewise.
1818 * tree-flow-inline.h: Likewise.
1819 * tree-into-ssa.c: Likewise.
1820 * tree-ssa-alias.c: Likewise.
1821 * tree-ssa-ccp.c: Likewise.
1822 * tree-ssa-copy.c: Likewise.
1823 * tree-ssa-dce.c: Likewise.
1824 * tree-ssa-dom.c: Likewise.
1825 * tree-ssa-operands.c: Likewise.
1826 * tree-tailcall.c: Likewise.
1827 * tree-vectorizer.c: Likewise.
1828 * tree-vrp.c: Likewise.
1831 2005-07-28 Jeff Law <law@redhat.com>
1833 * tree-vrp.c (test_for_singularity): Extracted from ...
1834 (simplify_cond_using_ranges): Attempt to simplify a relational
1835 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
1837 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
1839 PR tree-optimization/22506
1840 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
1841 phis whose argument is constant.
1843 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
1845 PR rtl-optimization/18992
1846 Back out this patch:
1847 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1848 PR optimization/12142
1849 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
1850 uses of the register in the SET_SRC. Remove unnecessary argument.
1852 Replace it with this:
1853 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
1854 if flag_non_call_exceptions is set and the insn may trap, pass
1855 pc_rtx as dest for recursion.
1856 In SET_SRC part of SET case, if dest is already set, pass it down
1859 2005-07-28 Jan Hubicka <jh@suse.cz>
1861 * cfg.c (update_bb_profile_for_threading): Use RDIV.
1862 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
1863 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
1865 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
1866 profile when available.
1868 2005-07-28 Jan Beulich <jbeulich@novell.com>
1870 * config/ia64/ia64.c (ia64_load_pair_ok): New.
1871 (ia64_print_operand): Describe and handle 'X'.
1872 (ia64_register_move_cost): Also handle FP_REGS.
1873 (ia64_preferred_reload_class): Likewise.
1874 (ia64_secondary_reload_class): Likewise.
1875 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
1876 it. Also check for ITANIUM_CLASS_FLDP.
1877 * config/ia64/ia64.h (FP_REGNO_P): New.
1878 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
1879 (reg_class): Add FP_REGS.
1880 (REG_CLASS_NAMES): Adjust for it.
1881 (REG_CLASS_CONTENTS): Likewise.
1882 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
1883 (REG_CLASS_FROM_LETTER): Handle 'x'.
1884 (CLASS_MAX_NREGS): Handle FP_REGS.
1885 (MEMORY_MOVE_COST): Likewise.
1886 * config/ia64/ia64.md (itanium_class): Add fldp.
1887 (type): Handle fldp.
1888 (movti_internal): More allowable operand combinations. Use ldfp8 when
1889 splitting unnecessary. Remove predicable attribute. Adjust
1890 itanium_class attribute.
1891 (smuldi3_highpart): Remove outdated comment.
1892 (mulditi3, umulditi3, rotlti3): New expanders.
1893 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
1894 (absti2): Disabled new insn for future reference.
1895 Respective new splitters.
1896 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
1897 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
1898 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
1900 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
1902 PR rtl-optimization/23047
1903 * simplify-rtx.c (simplify_const_relational_operation): Respect
1904 flag_wrapv for comparisons with ABS.
1906 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
1908 PR tree-optimization/22493
1909 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
1910 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
1912 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
1914 * config/frv/frv.opt (moptimize-membar): New.
1916 * doc/invoke.texi: Document -moptimize-membar and its inverse.
1918 * config/frv/frv.h: Remove machine_function definition.
1920 * config/frv/frv.c (struct frv_io): New.
1921 (struct machine_function): Moved from frv.h. Add has_membar_p.
1922 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
1923 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
1924 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
1925 (frv_optimize_membar_global, frv_optimize_membar): New functions.
1926 (frv_reorg): Call frv_optimize_membar when appropriate.
1927 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
1928 (frv_expand_builtin): Adjust calls accordingly.
1929 (frv_io_address_cookie): New function.
1930 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
1931 load or store rather than a special insn. Add ccnstant address and
1932 io-type operands to the membar.
1933 (frv_ifcvt_modify_tests): Unsign regno.
1934 (frv_ifcvt_modify_tests): Same.
1936 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
1937 UNSPEC_OPTIONAL_MEMBAR constant.
1938 (builtin_read_<mode>): Delete.
1939 (builtin_write_<mode>): Delete.
1940 ("optional_membar_<mode>"): Add operand.
1942 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
1943 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
1944 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
1945 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
1946 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
1947 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
1948 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
1949 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
1950 * testsuite/gcc.target/frv/all-read-write-1.c: New.
1952 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
1954 * df.c (df_uses_record): Handle SCRATCH.
1956 2005-07-28 Steven Bosscher <stevenb@suse.de>
1959 * passes.c (rest_of_decl_compilation): If decl is a type and
1960 we have encountered errors, don't emit debug information.
1962 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1964 * params.def: Fixed comment.
1966 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
1969 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
1970 (TARGET_ASM_UNALIGNED_HI_OP): Add.
1971 (TARGET_ASM_UNALIGNED_SI_OP): Add.
1973 2005-07-27 Steven Bosscher <stevenb@suse.de>
1976 * varasm.c (assemble_start_function): Don't do anything that may
1977 require a CFG if the current function is a thunk.
1979 2005-07-25 Geoffrey Keating <geoffk@apple.com>
1981 * doc/install.texi (Prerequisites): Mention that perl is needed
1982 to do export control in libstdc++ targetting Darwin.
1984 2005-07-27 Steven Bosscher <stevenb@suse.de>
1986 PR rtl-optimization/17808
1987 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
1988 (sched_insns_conditions_mutex_p): Split out from...
1989 (add_dependence): ...here. But don't call it from here.
1990 (add_dependence_list): Check sched_insns_conditions_mutex_p
1991 before calling add_dependence.
1992 (add_dependence_list_and_free): Likewise.
1993 (fixup_sched_groups): Likewise.
1994 (sched_analyze_1): Likewise.
1995 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
1996 (sched_analyze): Likewise.
1997 (sched_analyze_insn): Likewise.
1998 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
1999 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
2000 dependencies on all COND_EXEC insns to jumps ending basic blocks
2001 when doing intrablock scheduling.
2002 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
2004 2005-07-27 Jeff Law <law@redhat.com>
2006 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
2007 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
2008 equivalency sets, correctly handle the case were vr0 has an
2009 equivalency set, but vr1 does not.
2011 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
2013 PR tree-optimization/23073
2014 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
2015 vect_print_dump_info before fprintf.
2017 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2019 PR tree-optimize/22348
2020 * tree-ssa-loop-niter.c (number_of_iterations_cond):
2021 Fold the partial computation.
2023 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2025 PR tree-optimization/22325
2026 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
2028 * tree-scalar-evolution.c (scev_const_prop): Add generic final
2030 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
2031 (force_var_cost): ... this function.
2032 (compute_phi_arg_on_exit): Export.
2034 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
2036 PR tree-optimization/20773
2037 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
2040 2005-07-27 Richard Guenther <rguenther@suse.de>
2042 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
2043 Avoid pushing again if current struct contains only
2044 fields we decomposed.
2046 2005-07-27 Jan Hubicka <jh@suse.cz>
2048 PR tree-optimization/22574
2049 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
2052 * tree-tailcall.c (decrease_profile): New function.
2053 (eliminate_tail_call): Use it.
2055 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
2056 visibility flags correctly in whole program mode.
2058 2005-07-26 Steve Ellcey <sje@cup.hp.com>
2060 PR rtl-optimization/22472
2061 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
2063 2005-07-26 Steven Bosscher <stevenb@suse.de>
2065 PR tree-optimization/22504
2066 * tree-complex.c (expand_complex_addition): Use 'code' instead
2067 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
2069 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2071 * config.gcc (cpu_type): Add frv case.
2072 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
2073 (supported_defaults): Add fr550 case.
2075 2005-07-26 Diego Novillo <dnovillo@redhat.com>
2078 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
2079 whether a pointer of type T * may point to objects of type T *.
2081 2005-07-26 DJ Delorie <dj@redhat.com>
2083 * configure: Regenerate.
2085 2005-07-26 Dale Johannesen <dalej@apple.com>
2087 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
2089 2005-07-26 Mark Mitchell <mark@codesourcery.com>
2091 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
2092 Clarify use of "build" in name.
2094 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
2096 * doc/extend.texi (Raw read/write Functions): New section.
2097 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
2098 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
2099 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
2100 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
2101 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
2102 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
2103 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
2104 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
2105 * config/frv/frv.c: Add bdesc_loads global.
2106 Add bdesc_stores global.
2107 (frv_init_builtins): Add support for __builtin_{read/write}*.
2108 (frv_volatile_memref): New.
2109 (frv_expand_load_builtin): New.
2110 (frv_expand_store_builtin): New.
2111 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
2112 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
2113 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
2114 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
2115 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
2116 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
2117 (builtin_read_<mode>): New.
2118 (builtin_write_<mode>): New.
2119 (builtin_write64): New.
2120 (optional_membar_<mode>): New.
2122 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
2124 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
2125 (rather than units) against HOST_BITS_PER_WIDE_INT.
2127 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
2129 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
2130 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
2131 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
2132 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
2135 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
2136 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
2137 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
2139 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
2141 2005-07-26 Richard Guenther <rguenther@suse.de>
2143 PR tree-optimization/22486
2144 * fold-const.c (fold_unary): Fold away useless component
2145 references of the form (T *)&T.x, if the address
2148 2005-07-25 James E Wilson <wilson@specifixinc.com>
2150 * dwarf2out.c (add_call_src_coords_attributes): New.
2151 (gen_inlined_subroutine_die): Call it.
2152 (maybe_emit_file, init_file_table): Add comments.
2153 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
2155 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
2156 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
2157 * tree.h (BLOCK_SOURCE_LOCATION): New.
2158 (struct tree_block): New field locus.
2160 2005-07-26 Andreas Schwab <schwab@suse.de>
2162 PR rtl-optimization/23043
2163 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
2164 when allocating a struct unoccr.
2166 2005-07-25 Richard Henderson <rth@redhat.com>
2169 * tree-complex.c (gate_no_optimization): True if errors.
2170 * Makefile.in (tree-complex.o): Update dependencies.
2172 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
2174 * config/frv/predicates.md (integer_register_operand): Use
2177 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2180 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
2182 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
2184 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
2186 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
2187 types when flag_unsafe_math_optimizations is true.
2189 2005-07-25 Mark Mitchell <mark@codesourcery.com>
2191 * gcc.c (option_map): Add --sysroot.
2192 (process_command): Handle --sysroot.
2193 (display_help): Document it.
2194 * doc/cppopts.tex (-isysroot): Document.
2195 * doc/invoke.texi (--sysroot): Document.
2196 * doc/install.texi (--with-build-sysroot): Document.
2198 * Makefile.in (inhibit_libc): New variable.
2199 (INHIBIT_LIBC_CFLAGS): Likewise.
2200 (LIBGCC2_CFLAGS): Include
2201 $(INHIBIT_LIBC_CFLAGS).
2202 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
2203 ($(T)crtbegin.o): Do not use @inhibit_libc@.
2204 ($(T)crtend.o): Likewise.
2205 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
2206 ($(T)crtendS.o): Likewise.
2207 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
2208 ($(T)crtendT.o): Likewise.
2209 (stmp-fixinc): Do not complain about missing headers if
2211 * configure.ac (inhibit_libc): Set it to true/false.
2212 (--with-build-sysroot): New option. Use it to set
2214 * configure: Regenerated.
2216 2005-07-25 Manfred Hollstein <mh@suse.com>
2218 * calls.c (store_one_arg): Fix unsigned comparison warning.
2220 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2223 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
2224 (ggc_print_statistics): Initialize variable before use.
2226 2005-07-25 Richard Guenther <rguenther@suse.de>
2228 * tree-dfa.c (mark_new_vars_to_rename): Protect against
2229 calling with a PHI_NODE argument.
2231 * tree-flow-inline.h (overlap_subvar): Protect against
2234 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
2236 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
2237 * configure: Regenerate.
2239 2005-07-25 Ira Rosen <irar@il.ibm.com>
2241 * expr.c (highest_pow2_factor): Make extern.
2242 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
2243 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2244 record_array_differ_p, array_ptr_differ_p): Likewise.
2245 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
2246 additional cases. Call the above functions.
2247 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
2248 base_object_differ_p when there are two base objects. Otherwise, compare
2249 base address and offset. Call may_alias_p.
2250 (dump_data_reference): Use a correct field name.
2251 (analyze_array): Make static. Initialize new data-ref fields.
2252 (analyze_indirect_ref): New function.
2253 (init_data_ref): Initialize new data-ref fields.
2254 (strip_conversion): Moved from tree-vect-analyze.c.
2255 (analyze_offset_expr, get_ptr_offset, address_analysis,
2256 object_analysis): Likewise.
2257 (analyze_offset): New function.
2258 (create_data_ref): Likewise.
2259 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
2260 dimensions for ARRAY_REFs only.
2261 (build_classic_dist_vector): Make static.
2262 (access_functions_are_affine_or_constant_p): Call macro to get the
2263 address of access functions.
2264 (compute_all_dependences): Add new parameter
2265 compute_self_and_read_read_dependences. Compute self and read-read
2266 dependences if it is true.
2267 (find_data_references_in_loop): Call create_data_ref. Initialize new
2269 (compute_data_dependences_for_loop): Add new parameter
2270 compute_self_and_read_read_dependences. Remove parameter nb_loops,
2271 compute nb_loops. Call compute_all_dependences,
2272 build_classic_dist_vector and build_classic_dir_vector with correct
2274 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2275 with correct parameters. Compare dimensions for ARRAY_REFs only.
2276 (free_data_refs): Call macro to free access functions.
2277 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2278 fields from stmt_vinfo.
2279 (struct base_object_info): New structure.
2280 (struct data_reference): Move fields to base_object_info. Add fields
2281 first_location and object_info for above structures. Move fields from
2282 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2283 aligned_to. Add macros to access the new fields.
2284 Update functions declarations.
2285 * tree-flow.h (is_aliased_with): Declare.
2286 * tree-loop-linear.c (linear_transform_loops): Call
2287 compute_data_dependences_for_loop with correct parameters.
2288 * tree-ssa-alias.c (is_aliased_with): New function.
2289 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2290 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2291 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2292 vect_base_addr_differ_p, compute_subscript_distance and
2293 build_classic_dist_vector. Add printings. Check absolute value of
2295 (vect_analyze_data_ref_dependences): Go through ddrs instead of
2297 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2298 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2299 to bytes. Add printing.
2300 (vect_compute_data_refs_alignment): Go through loads and stores in one
2302 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2303 vect_analyze_data_ref_access): Likewise.
2304 (vect_analyze_pointer_ref_access): Remove.
2305 (vect_address_analysis, vect_object_analysis): Likewise.
2306 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2307 and analyze data-refs in the loop.
2308 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2309 fields of data-ref instead of stmt. Add init to the offset from the
2311 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2312 (vect_update_init_of_dr): Likewise.
2313 (vect_update_inits_of_drs): Go through loads and stores in one loop.
2314 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2316 (new_loop_vec_info): Initialize new fields.
2317 (destroy_loop_vec_info): Free new fields.
2318 (vect_strip_conversion): Remove.
2319 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2320 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2321 datarefs. Add new field ddrs.
2322 Add macros for the new fields access.
2323 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2324 base_aligned_p, misalignment, memtag, ptr_info and subvars.
2325 Remove their macros.
2326 * tree.h (highest_pow2_factor): Declare.
2328 2005-07-25 Jakub Jelinek <jakub@redhat.com>
2330 * calls.c (store_one_arg): Check for sibling call MEM arguments
2331 from already clobbered incoming argument area.
2333 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2335 * c-common.c (check_missing_format_attribute): New.
2336 * c-common.h (check_missing_format_attribute): Likewise.
2337 * c-typeck.c (convert_for_assignment): Use it.
2339 2005-07-24 Andreas Schwab <schwab@suse.de>
2341 * config/m68k/m68k.md ("extendqidi2"): When source is an address
2342 register use a word move. Correct operand of ext.w in 68000 code.
2344 2005-07-23 Mark Mitchell <mark@codesourcery.com>
2346 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2347 variables as declarations, rather than definitions.
2349 2005-07-24 Ira Rosen <irar@il.ibm.com>
2351 PR tree-optimization/22526
2352 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2355 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2357 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2358 that C99 reserve for future use. Use it to define clog10,
2359 clog10f and clog10l.
2361 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2363 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2364 * configure.ac: Check for -Wmissing-format-attribute.
2366 * configure: Regenerate.
2368 2005-07-23 Richard Henderson <rth@redhat.com>
2370 PR tree-optimization/22623
2371 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2373 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
2376 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2378 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * Makefile.in (C_TREE_H): Update dependencies.
2381 * c-tree.h: Include toplev.h.
2382 * diagnostic.h (diagnostic_set_info): Add format attribute.
2383 * rtl-error.c (diagnostic_for_asm): Likewise.
2385 2005-07-23 Chao-ying Fu <fu@mips.com>
2387 * config/mips/mips-dsp.md: New file.
2388 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2389 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2391 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2392 MIPS_BUILTIN_BPOSGE32.
2393 (mips_expand_builtin_direct): Add one parameter to indicate that
2394 builtin functions need to return a value.
2395 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2397 (mips_regno_to_class): Add classes for 12 new DSP registers.
2398 (mips_subword): Change to check four HI registers.
2399 (mips_output_move): Output move to and from 6 new DSP accumulators.
2400 (override_options): Make sure -mdsp and -mips16 are not used together.
2401 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
2403 (mips_conditional_register_usage): Disable 6 new DSP accumulators
2405 (print_operand): Add 'q' for printing DSP accumulators.
2406 (mips_cannot_change_mode_class): Check ACC_REGS.
2407 (mips_secondary_reload_class): Check ACC_REGS.
2408 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2409 (mips_register_move_cost): Check ACC_REGS.
2410 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2411 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2412 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2413 (dsp_bdesc): New array.
2414 (bdesc_arrays): Add DSP builtin function table.
2415 (mips_prepare_builtin_arg): Check predicate again after
2417 (mips_expand_builtin): Add one more parameter to
2418 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2419 MIPS_BUILTIN_BPOSGE32.
2420 (mips_init_builtins): Initialize new function types.
2421 (mips_expand_builtin_direct): Check if builtin functions need to
2422 return a value and pass operands properly.
2423 (mips_expand_builtin_bposge): New function.
2424 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2425 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2426 (FIRST_PSEUDO_REGISTER): Increase to 188.
2427 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2428 Update for 12 new DSP registers.
2429 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2430 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2431 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2432 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2433 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2434 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2435 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2436 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2437 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2438 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2439 (REGISTER_NAMES): Add names for 12 new DSP registers.
2440 * config/mips/mips.md: Include mips-dsp.md.
2441 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2442 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2443 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2444 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2445 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2446 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2447 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2448 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2449 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2450 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2451 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2452 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2453 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2454 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2455 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2456 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2457 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2458 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2459 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2460 (UNSPEC_RDDSP): New constants.
2461 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2462 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
2464 * config/mips/mips.opt (-mdsp): New option.
2465 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2466 (reg_imm10_operand): New predicates.
2467 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2468 * doc/invoke.texi (-mdsp): Document new option.
2470 2005-07-22 DJ Delorie <dj@redhat.com>
2472 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2474 * tree-inline.c (inlinable_function_p): Likewise.
2476 2005-07-22 Mark Mitchell <mark@codesourcery.com>
2479 * toplev.c (check_global_declarations): Do not mark undefined
2480 variables as DECL_IGNORED_P.
2481 * varasm.c (first_global_object_name): GTY it.
2482 (weak_global_object_name): Likewise.
2483 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2484 a string to go into {weak,first}_global_object_name.
2486 2005-07-22 DJ Delorie <dj@redhat.com>
2488 * c-format.c (check_function_format): Change warning control
2489 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2491 2005-07-22 Diego Novillo <dnovillo@redhat.com>
2493 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2494 &PTR->FLD a dereference of PTR.
2495 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2496 a potential dereference of PTR.
2498 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
2500 PR rtl-optimization/20370
2501 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2502 call allocate_reg_info if necessary.
2504 PR rtl-optimization/21848
2505 * calls.c (emit_library_call_value_1): For const functions, add
2506 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2508 PR rtl-optimization/22445
2509 * cselib.c (target.h): Include.
2510 (rtx_equal_for_cselib_p): Allow commutative matches.
2511 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2512 Remove MODE parameter. Changed all callers.
2514 PR rtl-optimization/22258
2515 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2517 (try_combine): Use likely_spilled_retval_p.
2519 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
2521 * config.gcc: Add crx-elf support.
2523 * doc/contrib.texi: Mention crx.
2524 * doc/extend.texi: Document crx extensions.
2525 * doc/install.texi: Document crx install.
2526 * doc/invoke.texi: Document crx options.
2527 * doc/md.texi: Document crx constraints.
2529 * config/crx/crx-protos.h: New file.
2530 * config/crx/crx.c: New file.
2531 * config/crx/crx.h: New file.
2532 * config/crx/crx.md: New file.
2533 * config/crx/crx.opt: New file.
2534 * config/crx/t-crx: New file.
2536 2005-07-22 Manfred Hollstein <mh@suse.com>
2538 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2540 (int_add_graph_edge): Likewise.
2541 (collapse_nodes): Likewise.
2542 (process_unification_queue): Likewise.
2544 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2545 Laurent GUERBY <laurent@guerby.net>
2547 PR tree-optimization/22336
2548 * function.c (record_block_change): Check for
2549 cfun->ib_boundaries_block.
2551 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
2553 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2554 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2556 2005-07-21 DJ Delorie <dj@redhat.com>
2558 * toplev.c (warn_deprecated_use): Add warning control to warning
2560 * c-typeck.c (parser_build_binary_op): Likewise.
2561 (c_finish_if_stmt): Likewise.
2562 * c-common.c (check_function_sentinel): Likewise.
2563 (check_nonnull_arg): Likewise.
2565 2005-07-21 Richard Henderson <rth@redhat.com>
2568 * tree-complex.c (complex_ssa_name_components): New.
2569 (cvc_lookup): Allow entry not found.
2570 (create_components): Remove.
2571 (create_one_component_var, get_component_var): New.
2572 (get_component_ssa_name, set_component_ssa_name): New.
2573 (extract_component): Use get_component_ssa_name.
2574 (update_complex_components): Use set_component_ssa_name.
2575 (update_complex_components_on_edge): Likewise.
2576 (update_phi_components): Create new PHI nodes directly, instead
2577 of adding insns to edges.
2578 (tree_lower_complex): Allocate and free complex_variable_components
2579 and complex_ssa_name_components here.
2581 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
2583 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2584 revert to returning false.
2586 2005-07-21 Uros Bizjak <uros@kss-loka.si>
2589 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2591 2005-07-21 Uros Bizjak <uros@kss-loka.si>
2594 * config/i386/i386.md (cmpxf): Change operand constraints
2595 to "nonmemory_operand".
2597 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2599 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2601 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2604 * fold-const.c (fold_build1): Add checksum for the operands.
2605 (fold_build2): Likewise.
2606 (fold_build3): Likewise.
2608 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
2611 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2613 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2615 * common.opt (-fforward-propagate): Committed by mistake,
2618 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2620 * reg-stack.c: Fix comment typo(s).
2621 * tree-ssa-operands.c: Likewise.
2622 * tree-vectorizer: Likewise.
2624 2005-07-21 Nick Clifton <nickc@redhat.com>
2626 * config/sh/symbian.c: Replace C++ style line comments with C
2627 style line comments.
2628 (symbian_add_attribute): Do not use a ? operator on the LHS of
2630 (sh_symbian_handle_dll_attribute): Change the type of the
2631 method vector to "VEC(tree,gc)*" and use vector accessor
2632 macros to walk over the elements.
2633 (symbian_export_vtable_and_rtti_p): Likewise.
2634 (symbian_class_needs_attribute_p): Likewise.
2636 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2639 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2640 initialize targetm.resolve_overloaded_builtin here.
2641 (altivec_expand_overloaded_builtin): Make it non-static.
2642 * config/rs6000/rs6000-protos.h
2643 (altivec_expand_overloaded_builtin): New prototype.
2644 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2645 targetm.resolve_overloaded_builtin here.
2646 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2648 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
2649 Zdenek Dvorak <dvorakz@suse.cz>
2651 PR tree-optimization/19210
2652 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2654 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2655 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2656 rely on unproven assumptions.
2657 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2658 * tree-flow.h (number_of_iterations_exit): Add final parameter.
2659 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2660 to number_of_iterations_exit.
2661 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2662 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2663 * tree-ssa-loop-niter.c (find_loop_niter,
2664 estimate_numbers_of_iterations_loop): Likewise.
2665 (number_of_iterations_exit): Honor the new options.
2666 * doc/invoke.texi (Wunsafe-loop-optimizations,
2667 funsafe-loop-optimizations): Document them.
2669 2005-07-21 Richard Sandiford <richard@codesourcery.com>
2671 PR rtl-optimization/22167
2672 * gcse.c (hoist_code): Fix hoist_exprs[] check.
2674 2005-07-20 Adam Nemet <anemet@lnxw.com>
2676 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2677 __do_global_dtors_aux longcall.
2679 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
2681 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2682 (old_special_pred_table): Don't reference
2683 SPECIAL_MODE_PREDICATES.
2684 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2685 * config/arc/arc.h: Don't mention PREDICATE_CODES.
2686 * config/sh/predicates.h: Don't mention
2687 SPECIAL_MODE_PREDICATES.
2688 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2691 2005-07-20 DJ Delorie <dj@redhat.com>
2693 * config.gcc: Add m32c-elf support.
2695 * doc/contrib.texi: Mention m32c.
2696 * doc/extend.texi: Document m32c extensions.
2697 * doc/install.texi: Mention m32c.
2698 * doc/invoke.texi: Document m32c options.
2699 * doc/md.texi: Document m32c constraints.
2701 * config/m32c/addsub.md: New file.
2702 * config/m32c/bitops.md: New file.
2703 * config/m32c/cond.md: New file.
2704 * config/m32c/jump.md: New file.
2705 * config/m32c/m32c-lib1.S: New file.
2706 * config/m32c/m32c-lib2.c: New file.
2707 * config/m32c/m32c-modes.def: New file.
2708 * config/m32c/m32c-pragma.c: New file.
2709 * config/m32c/m32c-protos.h: New file.
2710 * config/m32c/m32c.abi: New file.
2711 * config/m32c/m32c.c: New file.
2712 * config/m32c/m32c.h: New file.
2713 * config/m32c/m32c.md: New file.
2714 * config/m32c/m32c.opt: New file.
2715 * config/m32c/minmax.md: New file.
2716 * config/m32c/mov.md: New file.
2717 * config/m32c/muldiv.md: New file.
2718 * config/m32c/predicates.md: New file.
2719 * config/m32c/prologue.md: New file.
2720 * config/m32c/shift.md: New file.
2721 * config/m32c/t-m32c: New file.
2723 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
2725 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2726 (stack_protect_set, stack_protect_test): New expanders.
2727 (stack_protect_set_si, stack_protect_set_si_media,
2728 stack_protect_set_di_media, stack_protect_test_si,
2729 stack_protect_test_si_media, stack_protect_test_di_media):
2732 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
2734 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2736 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
2738 * tree.h (tree_expr_nonzero_p): Export.
2739 * fold-const.c (tree_expr_nonzero_p): Likewise.
2740 Return true for CALL_EXPRs that are alloca calls.
2741 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2743 * tree-flow.h (expr_computes_nonzero): Remove.
2744 * tree-vrp.c (expr_computes_nonzero): Remove.
2745 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2746 (extract_range_from_unary_expr): Likewise.
2747 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2748 tree_expr_nonzero_p.
2750 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
2752 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2753 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
2754 extra arg "picreg" and use it instead of pic_offset_table_rtx.
2755 All callers changed.
2756 (frame_related_constant_load): New arg "related" which controls
2757 setting of RTX_FRAME_RELATED_P. All callers changed.
2758 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2759 (bfin_expand_prologue): Add stack limit checking.
2760 * config/bfin/bfin.md (trapifcc): New pattern.
2762 * config/bfin/bfin.c: Include "langhooks.h".
2763 (def_builtin): Go through lang_hooks to call builtin_function.
2765 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2766 * config/bfin/predicates.md (symbol_ref_operand): New.
2767 (call_insn_operand): Delete. All callers changed to use
2768 register_no_elim_operand.
2769 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2771 (function_arg): Use it to generate the call's operand 2.
2772 (bfin_longcall_p): New function.
2773 (bfin_expand_call): Extra arg "cookie". All callers and declaration
2774 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
2775 determine if the address needs to be in a REG.
2776 (bfin_handle_longcall_attribute): New function.
2777 (bfin_attribute_table): Add "longcall" and "shortcall".
2778 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2779 (CUMULATIVE_ARGS): New member call_cookie.
2780 (PREDICATE_CODES): Add symbol_ref_operand.
2781 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2782 extra USE to the pattern.
2783 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2784 New patterns, split off call_insn, sibcall_insn, call_value_insn and
2785 sibcall_value_insn; now the new patterns handle direct calls and the
2786 old ones indirect calls.
2787 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2789 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
2791 * doc/trouble.texi: Update section on handling of empty loops.
2793 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
2795 * config.gcc: Remove support for sparc-*-openbsd*,
2796 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2798 * config.host: Remove support for i860-*-sysv4* as a host.
2799 * config/i860/*, config/ip2k/*, config/ns32k/*,
2800 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2801 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2802 mention obsolete ports.
2804 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
2806 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
2808 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
2809 of frame_pointer_rtx.
2810 (sh_expand_epilogue): Likewise.
2811 (sh_set_return_address): Likewise.
2812 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
2813 instead of FRAME_POINTER_REGNUM if needed. Add elimination
2814 offsets from FRAME_POINTER_REGNUM.
2815 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
2816 (sh_register_names): Add initializer for sfp.
2817 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
2818 (VALID_REGISTER_P): Likewise.
2819 (FIRST_PSEUDO_REGISTER): Update.
2820 (DWARF_FRAME_REGISTERS): Define.
2821 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
2822 (HARD_FRAME_POINTER_REGNUM): Define.
2823 (FRAME_POINTER_REGNUM): Redefine.
2824 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
2825 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
2826 from FRAME_POINTER_REGNUM.
2827 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
2828 FRAME_POINTER_REGNUM.
2829 (REG_CLASS_CONTENTS): Add sfp.
2830 (REG_ALLOC_ORDER): Likewise.
2831 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
2832 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
2833 of frame_pointer_rtx.
2834 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2836 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
2838 * fold-const.c (tree_expr_nonnegative_p): Only return true for
2839 ABS_EXPR when flag_wrapv is false because of INT_MIN.
2840 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
2842 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
2845 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
2847 Make CONSTRUCTOR use VEC to store initializers.
2848 * c-common.c (complete_array_type): Update to cope with VEC in
2850 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
2851 (pp_c_constructor_elts): New function.
2852 * c-pretty-print.h (pp_c_constructor_elts): Declare.
2853 * c-typeck.c (build_function_call, build_c_cast, digest_init,
2854 struct constructor_stack, struct initializer_stack,
2855 constructor_elements, push_init_level, pop_init_level,
2856 add_pending_init, find_init_member, output_init_element): Update to
2857 cope with VEC in CONSTRUCTOR_ELTS.
2858 * coverage.c (build_fn_info_value, build_ctr_info_value,
2859 build_gcov_info): Likewise.
2860 * expr.c (categorize_ctor_elements_1, store_constructor,
2861 expand_expr_real_1): Likewise.
2862 * fold-const.c (fold_ternary): Likewise.
2863 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
2864 gimplify_init_constructor, gimplify_expr): Likewise.
2865 * tree-dump.c (dequeue_and_dump): Likewise.
2866 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
2868 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
2870 * tree-sra.c (generate_element_init_1): Likewise.
2871 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
2872 * tree-ssa-operands.c (get_expr_operands): Likewise.
2873 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
2874 * tree-vect-transform.c (vect_get_vec_def_for_operand):
2875 (get_initial_def_for_reduction): Likewise.
2876 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
2877 value handle in annotations.
2878 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
2879 tree_node_structure): Add support for constr_kind.
2880 (build_vector_from_ctor, build_constructor_single,
2881 build_constructor_from_list): New functions.
2882 (build_constructor): Update to take a VEC instead of a TREE_LIST.
2883 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
2884 Update to cope with VEC in CONSTRUCTOR_ELTS.
2885 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
2886 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
2887 CONSTRUCTOR_APPEND_ELT): New macros.
2888 (struct constructor_elt, struct tree_constructor): New data types.
2889 (union tree_node): Add tree_constructor field.
2890 * treestruct.def: Define TS_CONSTRUCTOR.
2891 * varasm.c (const_hash_1, compare_constant, copy_constant,
2892 compute_reloc_for_constant, output_addressed_constants,
2893 initializer_constant_valid_p, output_constant,
2894 array_size_for_constructor, output_constructor): Update to cope with
2895 VEC in CONSTRUCTOR_ELTS.
2896 * vec.h (VEC_empty, VEC_copy): New macros.
2898 2005-07-19 Devang Patel <dpatel@apple.com>
2900 * dbxout.c (dbxout_type): Check Objective-C++ lang.
2902 2005-07-19 Richard Henderson <rth@redhat.com>
2905 * gimplify.c (gimplify_expr): Use main variant type for the temp
2906 destination for a discarded volatile read.
2907 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
2908 casts between non-void types that change volatility.
2910 2005-07-15 DJ Delorie <dj@redhat.com>
2912 * toplev.h: Add comment about the first parameter for warning().
2913 * errors.h: Likewise.
2915 * c.opt (Wpragmas): New.
2916 * doc/invoke.texi: Document it.
2918 * function.c (do_warn_unused_parameter): Add warning control to
2920 * c-decl.c (warn_if_shadowing): Likewise.
2921 * c-lex.c (cb_def_pragma): Likewise.
2922 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
2923 (pop_alignment): Likewise.
2924 (handle_pragma_pack): Likewise.
2925 (apply_pragma_weak): Likewise.
2926 (handle_pragma_weak): Likewise.
2927 (handle_pragma_redefine_extname): Likewise.
2928 (add_to_renaming_pragma_list): Likewise.
2929 (handle_pragma_extern_prefix): Likewise.
2930 (maybe_apply_renaming_pragma): Likewise.
2931 (handle_pragma_visibility): Likewise.
2933 * config/c4x/c4x-c.c (BAD): Likewise.
2934 (c4x_parse_pragma): Likewise.
2935 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
2936 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
2937 (rs6000_pragma_longcall): Likewise.
2938 * config/v850/v850-c.c (pop_data_area): Likewise.
2939 (ghs_pragma_section): Likewise.
2940 (ghs_pragma_section): Likewise.
2941 (ghs_pragma_interrupt): Likewise.
2942 (ghs_pragma_starttda): Likewise.
2943 (ghs_pragma_startsda): Likewise.
2944 (ghs_pragma_startzda): Likewise.
2945 (ghs_pragma_endtda): Likewise.
2946 (ghs_pragma_endsda): Likewise.
2947 (ghs_pragma_endzda): Likewise.
2949 2005-07-19 Danny Berlin <dberlin@dberlin.org>
2950 Kenneth Zadeck <zadeck@naturalbridge.com>
2952 * Makefile.in: Removed tree-promote-statics.c
2953 * tree-promote-statics.c: Removed.
2954 * common.opt: Removed flag-promote-statics.
2956 * passes.c: Removed tree-promote-statics pass.
2957 * tree-pass.h: Ditto.
2958 * timevar.def: Removed TV_PROMOTE_STATICS.
2961 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
2963 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
2965 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
2967 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2970 * c-common.c (check_function_arguments): Call
2971 'check_function_format' if either -Wformat or
2972 -Wmissing-format-attribute are specified.
2973 * c-format.c (check_function_format): Check -Wformat before
2974 calling 'check_format_info'.
2975 * c-opts.c (c_common_post_options): Don't warn for
2976 -Wmissing-format-attribute without -Wformat.
2977 * c-typeck.c (convert_for_assignment): Detect additional cases for
2978 -Wmissing-format-attribute.
2979 * doc/invoke.texi (-Wmissing-format-attribute): Document new
2982 2005-07-19 Richard Guenther <rguenther@suse.de>
2984 * config/i386/i386.md (lrint<mode>2): Use temporary
2985 instead of clobbering non-existent memory.
2987 2005-07-19 Nick Clifton <nickc@redhat.com>
2989 * config/avr/avr.c (legitimate_address_p): Fix debugging print
2990 statement to avoid displaying ASCII control characters.
2992 2005-07-19 Ben Elliston <bje@au.ibm.com>
2994 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
2995 * cfganal.c (find_edge_index): Ditto.
2996 * combine.c (combine_instructions): Ditto.
2997 * ddg.c (create_scc): Ditto.
2998 (find_successors): Ditto.
2999 (find_predecessors): Ditto.
3000 (find_nodes_on_paths): Ditto.
3001 (longest_simple_path): Ditto.
3002 * flow.c (update_life_info): Ditto.
3003 (count_or_remove_death_notes): Ditto.
3004 (clear_log_links): Ditto.
3005 * modulo-sched.c (generate_reg_moves): Ditto.
3006 (find_max_asap): Ditto.
3007 (find_max_hv_min_mob): Ditto.
3008 (find_max_dv_min_mob): Ditto.
3009 * sbitmap.c (sbitmap_first_set_bit): Ditto.
3010 * sched-rgn.c (extract_edgelst): Ditto.
3011 * tree-into-ssa.c (prepare_names_to_update): Ditto.
3012 (dump_update_ssa): Ditto.
3013 (ssa_names_to_replace) Ditto.
3014 (switch_virtuals_to_full_rewrite): Ditto.
3015 (update_ssa): Ditto.
3016 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
3018 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
3020 Fix PR tree-optimization/22483
3022 * tree-complex.c (create_components): Use
3023 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
3024 * tree-flow-inline.h (fill_referenced_var_vec): New function.
3025 * tree-flow.h (safe_referenced_var_iterator): New structure.
3026 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
3027 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
3028 safe_referenced_var iterator.
3029 (add_type_alias): Ditto.
3031 2005-07-19 Steven Bosscher <stevenb@suse.de>
3033 * loop-init.c (rest_of_handle_loop2): Remove.
3034 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
3035 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
3036 (pass_rtl_loop_init, pass_rtl_loop_done,
3037 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
3038 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
3039 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
3040 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
3041 pass_tree_loop_done, and pass_tree_unswitch.
3042 (gate_loop): Rename to gate_tree_loop.
3043 * passes.c (init_optimization_passes): Update for renamed tree
3044 loop passes. Add the new loop2 passes as subpasses of loop2.
3045 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
3046 Update for the renamed tree loop passes.
3048 2005-07-18 Ian Lance Taylor <ian@airs.com>
3051 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
3052 blocks when optimizing.
3054 2005-07-18 Steve Ellcey <sje@cup.hp.com>
3056 * common.opt (frename-registers): Initialize to 2.
3058 (fgcse-after-reload): Ditto.
3059 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
3060 (process_options): Only change flag_web, flag_rename_registers,
3061 and flag_rerun_cse_after_loop if not explicitly set by user.
3063 2005-07-18 Jan Beulich <jbeulich@novell.com>
3065 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
3066 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
3067 in 64-bit mode the same as DImode in 32-bit mode.
3068 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
3069 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
3070 mode. Add new mode parameter.
3071 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
3072 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
3073 x86_64_shift_adj): New expanders.
3074 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
3075 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
3077 Respective new splitters. Use renamed shift splitter helpers in 32-bit
3078 DImode shift splitters.
3079 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
3080 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
3083 2005-07-18 Jan Beulich <jbeulich@novell.com>
3085 * i386.md (movdi_extzv_1): New.
3086 (zero_extendhidi2): Combine alternatives and never force use of
3088 (zero_extendqidi2): Likewise. Don't restrict input selection.
3090 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3092 Fix PR tree-optimization/22531
3093 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
3096 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3098 * tree-promote-statics.c (pass_promote_statics): Change dump file
3101 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
3103 * tree-optimize.c (init_tree_optimization_passes): Add
3104 pass_eliminate_useless_stores pass.
3105 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
3106 * tree-ssa-pre.c (is_copy_stmt): New function.
3107 (follow_copies_till_vuse): Ditto.
3108 (do_eustores): Ditto.
3109 (gate_eustores): Ditto.
3111 2005-07-16 Richard Henderson <rth@redhat.com>
3113 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
3115 2005-07-16 Danny Berlin <dberlin@dberlin.org>
3116 Kenneth Zadeck <zadeck@naturalbridge.com>
3118 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
3119 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
3120 ipa-type-escape.h, tree-promote-statics.c
3121 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
3122 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
3123 tree-promote-statics.c: new files.
3124 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
3125 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
3126 int nonlocal_set_p, mark_constant_function): Deleted.
3127 (rest_of_handle_cfg): Removed call to mark_constant_function.
3128 (nonoverlapping_component_refs_p): Added calls to support
3129 type based aliasing.
3130 * tree-ssa-alias.c (may_alias_p,
3131 compute_flow_insensitive_aliasing): Ditto.
3132 * calls.c (flags_from_decl_or_type): Removed reference to
3134 * c-typeck.c (convert_arguments): Make builtins tolerant of having
3135 too many arguments. This is necessary for Spec 2000.
3136 * cgraph.h (const_function, pure_function): Removed.
3137 * common.opt: Added "fipa-pure-const", "fipa-reference",
3138 "fipa-type-escape", and "ftree-promote-static".
3140 * passes.c: Added ipa and tree-promote-statics passes.
3141 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
3142 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
3143 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
3144 * tree-flow.h: Added exposed sra calls and addition of
3145 reference_vars_info field for FUNCTION_DECLS.
3146 * tree-pass.h: Added passes.
3147 * tree-sra.c: (sra_init_cache): New function.
3148 (sra_insert_before, sra_insert_after) Made public.
3149 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
3151 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
3152 aliasing. (may_alias_p): Added code to use type escape analysis to
3154 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
3155 code to prune clobbers of static variables based on information
3156 produced in ipa-reference pass. Changed call clobbering so that
3157 statics are not marked as clobbered if the call does not clobber
3160 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
3162 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
3165 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3167 * doc/install.texi (*-*-solaris2*): Document recommended version
3168 of GNU binutils and mention GNU linker problem on Solaris 10.
3170 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
3173 * c-decl.c (c_build_bitfield_integer_type): New function.
3174 (finish_struct): Call it.
3175 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
3177 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3179 * c-typeck.c (digest_init): Call 'convert_for_assignment'
3182 2005-07-16 Jan Hubicka <jh@suse.cz>
3184 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
3185 (scale_bbs_frequencies_int): Watch roundoff errors.
3186 * predict.c (return_prediction): Initialize return_stmt.
3188 2005-07-16 Jan Hubicka <jh@suse.cz>
3190 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
3191 after RTL profiling.
3193 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
3196 * fold-const.c (build_range_check): Convert high/low to etype
3197 if we are only comparing against exp.
3199 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
3201 Fix PR tree-optimization/22376
3202 * tree-ssa-structalias.c (build_constraint_graph): We really meant
3204 (need_to_solve): New function.
3205 (compute_points_to_sets): Use it.
3207 2005-07-15 Jan Hubicka <jh@suse.cz>
3209 * cfg.c (update_bb_profile_for_threading): More diagnostic.
3210 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
3212 2005-07-15 Richard Guenther <rguenther@suse.de>
3214 * c-common.c (handle_flatten_attribute): New function.
3215 Add flatten function attribute.
3216 * doc/extend.texi: Document flatten function attribute.
3217 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
3218 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
3220 (cgraph_decide_inlining): Handle functions with flatten
3223 2005-07-14 David Edelsohn <edelsohn@gnu.org>
3225 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
3226 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
3227 UNSPEC_XCHG, UNSPEC_AND): New.
3228 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
3229 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
3230 * config/rs6000/sync.md (FETCHOP): New code macro.
3231 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
3233 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
3234 (sync_compare_and_swap<mode>): Same.
3235 (sync_lock_test_and_set<mode>): Same.
3236 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
3237 for QImode and HImode, and not PPC405.
3238 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
3239 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
3240 (sync_<fetchop>{si,di}_internal): New.
3241 (sync_nand{si,di}_internal): New.
3242 (sync_old_<fetchop>{si,di}_internal): New.
3243 (sync_old_nand{si,di}_internal): New
3244 (sync_new_<fetchop>{si,di}_internal): New.
3245 (sync_new_nand{si,di}_internal): New.
3246 (atomic_and{si,di}): New.
3247 (sync_new_nand{si,di}_internal): New.
3248 (atomic_and{si,di}): New.
3249 (sync_add<mode>_internal): Delete.
3250 (sync_addshort_internal): Use unspec instead of unspec_volatile.
3251 (sync_sub<mode>_internal): Delte.
3252 (sync_subshort_internal): New.
3253 (sync_andsi_internal): Use unspec instead of unspec_volatile.
3254 (sync_anddi_internal): Delete.
3255 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
3256 (sync_booldi_internal): Delete.
3257 (sync_boolc<mode>_internal): Delete.
3258 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
3259 (sync_boolc<mode>_internal2): Delete.
3260 (sync_boolcc<mode>_internal): Delete.
3261 (isync, lwsync): Use unspec instead of unspec_volatile.
3262 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
3263 Revert UNSPEC_VOLATILE.
3264 (rs6000_split_atomic_op): New.
3265 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3267 2005-07-14 Eric Christopher <echristo@redhat.com>
3269 * config/mips/mips.c (mips_canonicalize_comparison): Cast
3270 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3272 2005-07-14 Eric Christopher <echristo@redhat.com>
3274 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3276 2005-07-14 Steven Bosscher <stevenb@suse.de>
3278 PR tree-optimization/22230
3279 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3280 the computation of the four cross productions for "range op range".
3282 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
3283 Ulrich Weigand <uweigand@de.ibm.com>
3286 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3289 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3291 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3293 2005-07-14 Steve Ellcey <sje@cup.hp.com>
3295 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3297 2005-07-14 Richard Guenther <rguenther@suse.de>
3300 * config/i386/i386-protos.h (ix86_function_value): Change
3301 prototype to match new target hook.
3302 * config/i386/i386.c (ix86_value_regno): Change prototype
3303 to take extra type argument.
3304 (TARGET_FUNCTION_VALUE): Define.
3305 (ix86_function_ok_for_sibcall): Pass extra argument to
3306 ix86_value_regno, check return slot rtx for exact match.
3307 (ix86_function_value): Take extra parameter. Dispatch to
3308 ix86_value_regno with fndecl/fntype as provided.
3309 (ix86_value_regno): Handle extra type argument.
3310 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3312 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3313 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3314 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3315 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3316 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3318 2005-07-14 Richard Guenther <rguenther@suse.de>
3320 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3321 * calls.c (expand_call): Pass fntype to hard_function_value.
3322 (emit_library_call_value_1): Likewise.
3323 * explow.c: Include target.h.
3324 (hard_function_value): Take extra argument, the fntype.
3325 Use new target hook for function_value.
3326 * expr.h (hard_function_value): Change prototype.
3327 * function.c (aggregate_value_p): Pass 0 as fntype to
3328 hard_function_value.
3329 (assign_parms): Use new target hook for function_value.
3330 Pass 0 as fntype to hard_function_value.
3331 (expand_function_end): Likewise.
3332 * reg-stack.c: Include target.h.
3333 (stack_result): Use new target hook for function_value.
3334 * target-def.h: New target hook function_value.
3335 * target.h: Likewise.
3336 * targhooks.c (default_function_value): New function.
3337 * targhooks.h (default_function_value): Declare.
3339 2005-07-13 Ian Lance Taylor <ian@airs.com>
3341 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3343 2005-07-14 Jan Hubicka <jh@suse.cz>
3345 * tree-dfa.c (dump_variable): Use default_def function.
3346 * tree-ssa-alias.c (dump_points_to_info): Likewise.
3347 * tree-ssa.c (verify_use): Likewise.
3348 * tree-ssanames.c (release_ssa_name): Likewise.
3349 * tree-tailcall.c (eliminate_tail_call): Likewise.
3350 (tree_optimize_tail_calls_1): Likewise.
3351 * tree-vrp.c (get_value_range): Likewise.
3353 2005-07-14 Ben Elliston <bje@au.ibm.com>
3355 * gcc.c (main): Compare language[0] with '*' when iterating over
3358 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3360 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3361 "s390_emit_compare". Add handling of CCZ1mode.
3362 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3363 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3365 (s390_branch_condition_mask): Add CCZ1mode handling.
3366 * config/s390/s390.md: ("seq", "*seq"): New pattern.
3367 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3368 Use CCZ1mode instead of CCZmode.
3369 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
3371 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
3373 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3375 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3377 2005-07-13 Eric Christopher <echristo@redhat.com>
3379 * config/mips/mips.c (mips_canonicalize_comparison): New.
3380 (mips_emit_int_relational): Use.
3382 2005-07-13 Eric Christopher <echristo@redhat.com>
3384 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3386 * config/s390/s390.md: Include tpf.md. Move tpf specific
3388 * config/s390/tpf.md: To here.
3389 * config/s390/s390.opt: Move tpf specific options...
3390 * config/s390/tpf.opt: to here. Add mmain option.
3391 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3392 * config/s390/tpf.h: Rewrite.
3394 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3396 * doc/tm.texi: Remove @xref{Cross-profiling}.
3398 2005-07-13 Jeff Law <law@redhat.com>
3400 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3401 expressions, test their _DECL operands for pointer equality rather
3402 than using operand_equal_p.
3404 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
3406 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3407 (TARGET_POSIX_IO): This.
3408 * config/darwin.h: Likewise.
3409 * config/freebsd.h: Likewise.
3410 * config/linux.h: Likewise.
3411 * config/lynx.h: Likewise.
3412 * config/netbsd.h: Likewise.
3413 * config/rs6000/linux64.h: Likewise.
3414 * config/rs6000/linux.h: Likewise.
3415 * config/s390/tpf.h: Likewise.
3416 * config/sh/embed-elf.h: Likewise.
3417 * config/sparc/linux64.h: Likewise.
3418 * config/sparc/linux.h: Likewise.
3419 * config/svr4.h: Likewise.
3420 * gcov-io.h: Likewise.
3422 * doc/tm.texi: Updated.
3424 * libgcov.c (create_file_directory): Defined only if
3425 TARGET_POSIX_IO is defined.
3426 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3429 2005-07-13 Jan Hubicka <jh@suse.cz>
3431 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3433 2005-07-13 David Edelsohn <edelsohn@gnu.org>
3435 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3436 structure as argument.
3438 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
3440 PR tree-optimization/21921
3441 * tree-iterator.c (tsi_link_before): Support the case when
3442 tsi_end_p (tsi) == true.
3444 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3446 PR tree-optimization/22442
3447 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3450 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3452 PR rtl-optimization/20376
3453 * toplev.c (process_options): Enable -fweb and -frename-registers when
3455 * doc/invoke.texi: Update the information about when -fweb and
3456 -frename-registers are enabled.
3458 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3461 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3462 if *rhs_p is not a SSA_NAME.
3464 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
3466 Fix PR tree-optimization/22422
3467 * tree-ssa-structalias.c (struct variable_info): Add flag for
3469 (get_varinfo): Now a static function.
3470 (new_varinfo): init has_union and is_special_var to false.
3471 (solution_set_add): Check has_union.
3472 (do_da_constraint): Move temporary variable so it gets reset
3474 Also check for special variable.
3475 (do_ds_constraint): Ditto.
3476 (do_sd_constraint): Ditto.
3477 (do_structure_copy): Check for special variable.
3478 (find_func_aliases): Ditto.
3479 (init_base_vars): Set special vars properly.
3481 2005-07-13 Jan Hubicka <jh@suse.cz>
3483 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3486 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3487 (get_expr_operands): Fix thinko wrt flags and subvars.
3489 PR tree-optimize/22379
3490 * tree-inline.c (expand_call_inline): Do not output sorry in early
3493 2005-07-12 Dale Johannesen <dalej@apple.com>
3495 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
3497 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3500 * host-linux.h: Include limits.h.
3502 2005-07-12 Dale Johannesen <dalej@apple.com>
3504 * expr.c (compress_float_constant): Add cost check.
3505 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
3507 2005-07-12 Dale Johannesen <dalej@apple.com>
3509 * gcc.target/i386/compress-float-sse.c: New.
3510 * gcc.target/i386/compress-float-sse-pic.c: New.
3511 * gcc.target/i386/compress-float-387.c: New.
3512 * gcc.target/i386/compress-float-387-pic.c: New.
3513 * gcc.dg/compress-float-ppc.c: New.
3514 * gcc.dg/compress-float-ppc-pic.c: New.
3516 2005-07-12 Eric Christopher <echristo@redhat.com>
3518 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3520 * config/s390/s390.md: Include tpf.md. Move tpf specific
3522 * config/s390/tpf.md: To here.
3523 * config/s390/s390.opt: Move tpf specific options...
3524 * config/s390/tpf.opt: to here. Add mmain option.
3525 * config/s390/tpf-unwind.h: Remove unnecessary defines.
3526 * config/s390/tpf.h: Rewrite.
3528 2005-07-12 Eric Christopher <echristo@redhat.com>
3530 * gcc.c (struct infile): Update comment for language.
3531 (main): Rewrite input file resetting code.
3533 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
3536 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3537 requiring a cast in a non RHS of modify_expr. Add a cast when required.
3538 (lookup_avail_expr): Use constant_boolean_node instead
3539 of boolean_false_node/boolean_true_node.
3541 2005-07-12 Ben Elliston <bje@au.ibm.com>
3543 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3544 and use it when printing num_edges.
3546 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
3548 * doc/extend.texi (Blackfin Built-in Functions): New section.
3549 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3552 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
3554 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3555 s/cmpstrsi/cmpstrnsi
3556 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3558 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3559 (init_optabs): Initialize cmpstrn_optab.
3560 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3561 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3562 * expr.c: (enum insn_code cmpstrn_optab): Declare.
3563 * config/i386/i386.md: s/cmpstr/cmpstrn
3564 * config/c4x/c4x.md: s/cmpstr/cmpstrn
3565 * doc/md.texi: Update documentation.
3567 2005-07-11 Richard Henderson <rth@redhat.com>
3569 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3570 build_va_arg_indirect_ref.
3571 (alpha_gimplify_va_arg): Likewise.
3572 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3573 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3574 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3575 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3576 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3577 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3579 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3581 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
3583 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3584 * passes.c (init_optimization_passes): Add pass_empty_loop.
3585 * tree-pass.h (pass_empty_loop): Declare.
3586 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3587 try_remove_empty_loop, remove_empty_loops): New functions.
3588 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3589 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3591 2005-07-12 Peter Barada <peter@the-baradas.com>
3595 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3596 in address registers.
3597 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3598 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3599 alternative of addsi3_5200.
3601 2005-07-11 Ian Lance Taylor <ian@airs.com>
3603 * config/mips/mips.md (ffs<mode>2): Remove.
3605 2005-07-11 Ian Lance Taylor <ian@airs.com>
3607 * doc/tree-ssa.texi (Cleanups): Improve description of
3609 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3611 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
3613 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3614 * tree.h (DECL_ARGUMENT_FLD): New macro.
3616 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
3618 Fix PR tree-optimization/22404
3620 * tree-ssa-structalias.c (create_variable_info_for): Use
3623 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
3625 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3626 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3627 for second comparison operand.
3628 * config/bfin/predicates.md (reg_or_const_int_operand): New.
3630 * config/bfin/bfin.md (define_attr "type"): Add "sync".
3631 (define_insn_reservation "alu"): Likewise.
3632 (csync, ssync): Now of type sync.
3633 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3634 -mcsync-anomaly -mspecld-anomaly.
3635 * config/bfin/bfin.opt (mcsync): Remove.
3636 (mcsync-anomaly, mspecld-anomaly): Add.
3637 * config/bfin/bfin.c: Include "insn-codes.h".
3638 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3639 (TARGET_DEFAULT_TARGET_FLAGS): New.
3640 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3642 2005-07-11 Steven Bosscher <stevenb@suse.de>
3644 * basic-block.h: Give the BB flags enum a name, bb_flags.
3645 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3646 * cfgcleanup.c (enum bb_flags): Remove here.
3647 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3648 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3649 (update_forwarder_flag): Likewise.
3650 (thread_jump): Likewise.
3651 (try_forward_edges): Likewise.
3652 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
3653 forwarder flags. Don't clear bb->aux for all basic blocks. Only
3654 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3656 2005-07-11 Richard Guenther <rguenther@suse.de>
3658 * config/i386/i386.opt: New target option -msseregparm.
3659 * config/i386/i386.c (override_options): Error out for
3660 -msseregparm but no SSE support.
3661 (ix86_function_sseregparm): Check for global sseregparm.
3662 * doc/invoke.texi: Document -msseregparm.
3664 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3666 * config.gcc (m32r-*-linux*): Use the default extra_parts.
3667 (m32rle-*-linux*): Ditto.
3669 2005-07-11 Jakub Jelinek <jakub@redhat.com>
3671 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3672 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3675 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3679 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3680 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3682 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
3684 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3685 (varmap): Heapify varmap.
3686 (constraints): Heapify constraints.
3687 (struct constraint_graph): Heapify succs and preds.
3688 (constraint_vec_find): Update for heapification.
3689 (constraint_set_union): Ditto.
3690 (insert_into_complex): Ditto.
3691 (constraint_edge_vec_find): Ditto.
3692 (erase_graph_self_edge): Ditto.
3693 (add_graph_edge): Ditto.
3694 (get_graph_weights): Ditto.
3695 (merge_graph_nodes): Ditto.
3696 (build_constraint_graph): Ditto.
3697 (topo_visit): Ditto.
3698 (solve_graph): Ditto.
3699 (create_variable_info_for): Ditto.
3700 (init_base_vars): Ditto.
3701 (delete_points_to_sets): Free graph, varmap, and complex constraints.
3702 (condese_varmap_nodes): Free complex vector.
3703 (clear_edges_for_node): Clear succs and preds vector.
3705 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
3707 * tree-ssa-structalias.c (update_alias_info): Change counting of
3708 references to not include vdefs.
3710 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
3712 * tree-ssa-alias.c (free_used_part_map): Add missing free.
3715 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3717 * pa.c (pa_commutative_p): Make PLUS commutative when
3718 TARGET_NO_SPACE_REGS is true.
3720 2005-07-09 Diego Novillo <dnovillo@redhat.com>
3722 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3723 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3724 * tree-dfa.c (dump_subvars_for): New.
3725 (debug_subvars_for): New.
3726 (dump_variable): Show subvariables if VAR has them.
3727 * tree-flow-inline.h (get_subvar_at): New.
3728 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3729 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3731 (struct subvar): Change fields offset and size to unsigned
3733 (dump_subvars_for): Declare.
3734 (debug_subvars_for): Declare.
3735 (get_subvar_at): Declare.
3736 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3737 to unsigned HOST_WIDE_INT *.
3738 (overlap_subvar): Likewise.
3739 * tree-gimple.c (is_gimple_reg): Always return false for
3740 SFTs and memory tags.
3741 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3743 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3744 (compute_may_aliases): Call compute_points_to_sets.
3745 (collect_points_to_info_for): Remove.
3746 (compute_points_to_and_addr_escape): Remove.
3747 (delete_alias_info): Call delete_points_to_sets.
3748 (compute_flow_sensitive_aliasing): If the call to
3749 find_what_p_points_to returns false, call set_pt_anything.
3750 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3751 (set_pt_anything): Clear pi->pt_vars.
3752 (set_pt_malloc): Remove.
3753 (merge_pointed_to_info): Remove.
3754 (add_pointed_to_expr): Remove.
3755 (add_pointed_to_var): Remove.
3756 (collect_points_to_info_r): Remove.
3757 (is_escape_site): Make extern.
3759 (create_overlap_variables_for): Call it.
3760 * tree-ssa-copy.c (merge_alias_info): Never merge
3761 flow-sensitive alias information.
3762 * tree-ssa-operands.c (get_expr_operands): Adjust variables
3763 offset and size to be unsigned HOST_WIDE_INT.
3764 (add_to_addressable_set): Rename from note_addressable.
3765 Set TREE_ADDRESSABLE as the variables are added to the set.
3767 (add_stmt_operand): Do not try to micro-optimize unmodifiable
3768 operands into VUSEs when adding V_MAY_DEFs for members in an
3770 * tree-ssa-operands.h (add_to_addressable_set): Declare.
3771 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3772 (struct variable_info): Add bitfield is_heap_var.
3773 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3774 (new_var_info): Initialize is_heap_var.
3775 (get_constraint_for): Add HEAP variables to the symbol table.
3776 Mark them with is_heap_var.
3777 (update_alias_info): New. Taken mostly from the old
3778 compute_points_to_and_addr_escape.
3779 (handle_ptr_arith): New.
3780 (find_func_aliases): Call update_alias_info.
3781 Call handle_ptr_info for tcc_binary expressions.
3782 Call mark_stmt_modified.
3783 (create_variable_info_for): If DECL has subvars, do not create
3784 variables for its subvars. Always add all the fields.
3785 (set_uids_in_ptset): If the solution includes ANYOFFSET and
3786 SFTs, then add all the SFTs of the structure.
3787 If VI->DECL is an aggregate with subvariables, add the SFT at
3789 (find_what_p_points_to): If VI is an artificial variable,
3790 translate to bitfields in SSA_NAME_PTR_INFO.
3791 If the solution is empty, set pi->pt_vars to NULL
3792 (init_base_vars): Create ANYOFFSET.
3793 (compute_points_to_sets): Rename from create_alias_vars.
3795 (pass_build_pta): Remove.
3796 (delete_points_to_sets): Rename from delete_alias_vars.
3797 (pass_del_pta): Remove.
3798 * tree-ssa-structalias.h (struct alias_info): Move from
3800 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3801 NUM_REFERENCES_SET): Likewise.
3802 (compute_points_to_sets, delete_points_to_sets): Declare.
3804 2005-07-09 Richard Henderson <rth@redhat.com>
3806 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
3807 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
3808 alpha_split_lock_test_and_set_12): New functions.
3809 * config/alpha/alpha-protos.h: Update.
3810 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
3811 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
3812 * config/alpha/sync.md (I12MODE): New.
3813 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
3814 (sync_<fetchop_name><I48MODE>): Likewise.
3815 (sync_nand<I48MODE>): Likewise.
3816 (sync_old_<fetchop_name><I48MODE>): Likewise.
3817 (sync_new_<fetchop_name><I48MODE>): Likewise.
3818 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3819 (sync_compare_and_swap<I48MODE>): Likewise.
3820 (sync_lock_test_and_set<I48MODE>): Likewise.
3821 (sync_compare_and_swap<I12MODE>): New.
3822 (sync_compare_and_swap<I12MODE>_1): New.
3823 (sync_lock_test_and_set<I12MODE>): New.
3824 (sync_lock_test_and_set<I12MODE>_1): New.
3826 2005-07-09 Diego Novillo <dnovillo@redhat.com>
3830 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
3832 2005-07-09 Jakub Jelinek <jakub@redhat.com>
3834 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
3835 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
3837 2005-07-09 Richard SAndiford <richard@codesourcery.com>
3840 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3842 2005-07-08 David Edelsohn <edelsohn@gnu.org>
3844 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
3845 memory_operand constraint.
3846 (store_conditional_<mode>): Same.
3847 (sync_compare_and_swap<mode>): Same.
3848 (sync_lock_test_and_set<mode>): Same.
3850 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
3852 Rewrite PIC support to more closely model actual instructions.
3853 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
3854 (cris_symbol): Remove prototypes for removed functions.
3855 (cris_pic_symbol_type_of, cris_valid_pic_const)
3856 (cris_expand_pic_call_address): Prototypes for new functions.
3857 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
3859 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
3861 <case ':'>: Add case for new punctuation character.
3862 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
3863 emitting (extra) PIC modifier.
3864 <case UNSPEC>: Do not assert for PLT.
3865 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
3866 (cris_expand_prologue, cris_expand_epilogue): Check
3867 for pic_offset_table_rtx usage instead of taking
3868 current_function_uses_pic_offset_table as the final word.
3869 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
3870 Remove flag_pic difference.
3871 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
3872 the moral equivalents of...
3873 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
3875 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
3876 (cris_handle_option): Mark ARG as unused.
3877 (cris_expand_pic_call_address): New worker function for "call",
3879 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
3880 output PIC constructs here.
3881 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
3882 as symbol-specific modifers, not whole or part of operands.
3883 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
3884 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
3885 constants and flag_pic.
3886 (CONSTANT_INDEX_P): Adjust for new functions.
3887 (enum cris_pic_symbol_type): New helper type.
3888 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
3889 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
3890 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
3892 ("movsi"): Emit actual instructions for GOT and relative access.
3893 ("*movsi_got_load"): New pattern to set up the register holding
3895 ("*movsi_internal"): Operand 1 is not a plain general_operand.
3896 Adjust FIXME for 'S'.
3897 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
3898 Use "movs" for -fpic cases.
3899 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
3900 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
3901 ("call", "call_value"): Just call cris_expand_pic_call_address for
3903 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
3904 Remove special pattern.
3905 ("*expanded_call_side", "*expanded_call_value_side"): New
3907 (gotplt-to-plt, gotplt-to-plt-side-call)
3908 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
3910 * config/cris/cris/predicates.md
3911 ("cris_general_operand_or_gotless_symbol"): Remove unused
3913 ("cris_general_operand_or_symbol"): Adjust for new functions.
3915 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
3917 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
3919 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
3921 * Makefile.in (TREE_H): Add treestruct.def.
3922 (c-decl.o): Add pointer-set.h
3923 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
3924 visibility on regular DECL's.
3925 (merge_decls): Fix the copying of decl nodes of various types for
3926 the new structures. Don't update RTL, section name, weak status,
3927 etc, on DECL's without RTL.
3928 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
3929 Don't check volatile on non-variable types.
3930 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
3931 to check whether we have seen arguments.
3932 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
3933 flag is checked before field (flag is common, field is not).
3934 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
3935 TS_DECL_COMMON could have an origin.
3936 (add_location_or_const_value_attribute): Don't check section name
3937 on non-var/function decls.
3938 (dwarf2out_var_location): Reverse order of tests.
3939 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
3940 with DECL_WRTL_CHECK.
3941 * expmed.c (make_tree): rtl is now in decl_with_rtl.
3942 * fold-const.c (fold_binary): Don't check weakness on
3943 non-var/function decls.
3944 (tree_expr_nonzero_p): Ditto.
3945 (fold_checksum_tree): Use tree_decl_extra as sizeof
3947 * ggc-page.c (extra_order_size_table): Add sizes for
3948 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
3950 * gimplify.c (gimplify_bind_expr): Only set
3951 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
3952 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
3954 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
3955 * langhooks.h (init_ts). New langhook.
3956 * passes.c (rest_of_decl_compilation): Reverse order of tests.
3957 * print-tree.c (print_node): Update to only print fields that
3958 exist in the structures the passed decl has.
3959 * toplev.c (wrapup_global_declarations): Don't reset
3960 DECL_DEFER_OUTPUT on DECL's that don't contain it.
3961 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
3962 * tree-inline.c (remap_decl): Ditto.
3963 * tree-outof-ssa.c (create_temp): Reverse order of tests.
3964 * tree-pretty-print.c (print_declaration): Don't print
3965 DECL_REGISTER on things that don't contain it.
3966 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
3967 non-var/function decls.
3968 * tree.c (tree_contains_struct): New structure.
3969 (init_priority_for_decl): New hashtable.
3970 (tree_int_map): New structure.
3971 (tree_int_map_eq): New function.
3972 (tree_int_map_marked_p): Ditto.
3973 (tree_int_map_hash): Ditto.
3974 (tree_map): Move to tree.h.
3975 (tree_map_eq): Externalize.
3976 (tree_map_hash): Ditto.
3977 (tree_map_marked_p): Ditto.
3978 (init_ttree): Set up tree_contains_struct and call langhook.
3979 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
3980 (tree_code_size): Update for new structures.
3981 (tree_node_structure): Update for new structures.
3982 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
3984 (copy_node_stat): Copy init priority.
3985 (build_decl_stat): Ditto for visibility.
3986 (ts_enum_names): New.
3987 (tree_contains_struct_check_failed): New function.
3988 (decl_init_priority_lookup): Ditto.
3989 (decl_init_priority_insert): Ditto.
3990 * treestruct.def: New file.
3991 * tree.h (CODE_CONTAINS_STRUCT): New macro.
3992 (CONTAINS_STRUCT_CHECK): Ditto.
3993 (tree_contains_struct_check_failed): New prototype.
3994 (DECL_CHECK): Removed.
3995 (DECL_MINIMAL_CHECK): New.
3996 (DECL_COMMON_CHECK): Ditto.
3997 (DECL_WRTL_CHECK): Ditto.
3998 (DECL_NON_COMMON_CHECK): Ditto.
3999 (DECL_WITH_VIS_CHECK): Ditto.
4000 (VAR_OR_FUNCTION_DECL_P): Ditto
4001 (struct tree_decl_minimal): New structure.
4002 (struct tree_decl_common): Ditto.
4003 (struct tree_decl_with_rtl): Ditto.
4004 (struct tree_decl_with_vis): Ditto.
4005 (struct tree_decl_non_common): Ditto.
4006 (struct tree_field_decl): Ditto.
4007 (struct tree_parm_decl): Ditto.
4008 (struct tree_var_decl): Ditto.
4009 (struct tree_function_decl): Ditto.
4010 (struct tree_const_decl): Ditto.
4011 (struct tree_result_decl): Ditto.
4012 (union tree_node): Add new structures.
4013 * var-tracking.c (track_expr_p): Reverse order of tests.
4015 * doc/c-tree.texi: Add documentation on DECL node internal structure.
4017 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4019 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
4020 * system.h: Poison FINALIZE_PIC.
4021 * doc/tm.texi (FINALIZE_PIC): Remove.
4023 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
4026 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
4027 to the correct type if we have a MODIFY_EXPR.
4029 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
4031 PR tree-optimization/22360
4032 * tree.c (upper_bound_in_type): Fix calculations for casting
4033 to a non-wider signed type and casting a signed value to a
4034 wider unsigned type.
4035 (lower_bound_in_type): Fix calculations for casting to a
4036 non-wider signed type.
4038 PR tree-optimization/20139
4039 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
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