| blob | 851936294ca50c455b4c996a3ec43891d8d1a9be |
1 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3 PR tree-opt/25680
4 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5 IMAGPART_EXPR.
7 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10 is_aliased.
11 Update all users.
13 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15 PR middle-end/26334
16 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
17 instead of DECL_REGISTER.
19 2006-02-18 Olivier Hainque <hainque@adacore.com>
21 PR ada/13408
22 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
24 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
26 PR target/24837
27 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
28 * opth-gen.awk: Handle Var and InverseMask together.
29 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
30 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
31 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
32 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
33 used together.
34 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
35 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
36 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
37 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
38 LINUX_DYNAMIC_LINKER): Define.
39 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
40 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
41 TARGET_GLIBC.
42 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
43 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
44 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
45 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
46 (TARGET_C99_FUNCTIONS): Don't define.
47 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
48 GLIBC_DYNAMIC_LINKER.
49 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
50 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
51 GLIBC_DYNAMIC_LINKER64): Define.
52 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
53 LINUX_DYNAMIC_LINKER64.
54 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
55 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
56 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
57 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
58 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
59 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
60 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
61 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
62 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
63 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
64 and LINUX_DYNAMIC_LINKER32.
65 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
66 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
67 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
68 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
69 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
70 TARGET_GLIBC.
71 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
72 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
73 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
74 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
75 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
76 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
77 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
78 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
79 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
80 LINUX_DYNAMIC_LINKER): Define.
81 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
82 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
83 GLIBC_DYNAMIC_LINKER64): Define.
84 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
85 LINUX_DYNAMIC_LINKER64.
86 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
87 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
88 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
89 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
90 LINUX_DYNAMIC_LINKER): Define.
91 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
92 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
93 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
94 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
95 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
96 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
97 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
98 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
99 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
100 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
102 * doc/invoke.texi (-muclibc): Remove caveat about supported
103 targets.
105 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
107 * doc/cpp.texi (__TIMESTAMP__): Document.
109 2006-02-17 Roger Sayle <roger@eyesopen.com>
111 PR middle-end/25600
112 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
113 C is one less than the width of X (and related transformations).
114 * simplify_rtx.c (simplify_unary_operation_1): Transform
115 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
116 depending on STORE_FLAG_VALUE, were C is one less then the
117 width of X.
119 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
121 Fix PR tree-optimization/26341
122 * tree-ssa-operands.c (add_virtual_operand): Remove assert
123 about NAME_MEMORY_TAG's.
125 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
127 PR target/26255
128 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
129 with hardware float support, and software float support. Add fcpy
130 alternative to hardware patterns. Add alternatives to copy between
131 general and floating-point registers to the 32-bit pattern.
132 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
133 secondary reload to load a QI or HI mode constant into a floating
134 point register.
135 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
136 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
138 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
140 PR target/26272
141 * config/rs6000/darwin.md (load_macho_picbase_si): Add
142 pc to the pattern.
143 (load_macho_picbase_di): Likewise.
145 2006-02-16 Jeff Law <law@redhat.com>
147 * tree-vrp.c (set_value_range_to_nonnegative): New function.
148 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
149 (ssa_name_nonzero_p): Likewise.
150 (get_value_range): Return NULL if VRP is not running.
151 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
152 VRP routines do not discover a range.
153 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
154 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
155 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
156 (tree_expr_nonnegative_p): Similarly.
157 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
158 (restore_nonzero_vars_to_original_value): Remove.
159 (unsafe_associative_fp_binop): Remove.
160 (tree_ssa_dominator_optimize): Remove initialization and
161 finalization of nonzero_vars and nonzero_vars_stack.
162 (dom_opt_initialize_block): No longer push marker on
163 nonzero_vars_stack.
164 (dom_opt_finalize_block): No longer call
165 restore_nonzero_vars_to_original_value.
166 (record_equivalences_from_phis): No longer look for
167 nonzero PHI arguments.
168 (cprop_into_successor_phis): No longer propagate nonzero
169 property into PHI arguments. Lose unused argument. Caller
170 updated.
171 (record_equivalences_from_stmt): No longer record nonzero
172 values for SSA_NAMEs.
173 (lookup_avail_expr): No longer use nonzero_vars.
175 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
176 for sizetype when sizetype is unsigned.
178 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
180 PR rtl-optimization/25603
181 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
182 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
183 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
184 with new meaning of SETS.
186 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
188 PR target/20353
189 PR target/24578
190 PR target/24837
191 * config/linux.opt: New file.
192 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
193 LINUX_DYNAMIC_LINKER): Define.
194 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
195 * config.gcc (*-*-linux*): Define extra_options.
196 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
197 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
198 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
199 GLIBC_DYNAMIC_LINKER.
200 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
201 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
202 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
203 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
204 * doc/invoke.texi (GNU/Linux Options): New section.
206 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
208 * config/sparc/sparc.md (setjmp): Rewrite.
209 (setjmp_32): Delete.
210 (setjmp_64): Likewise.
212 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
214 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
215 previous change.
217 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
219 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
220 read-write uses.
222 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
224 PR rtl-optimization/26296
225 * Makefile.in (loop-invariant.c): Add except.h dependency.
226 * loop-invariant.c: Include except.h.
227 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
229 2005-02-16 Paul Brook <paul@codesourcery.com>
231 * reload1.c (emit_reload_insns): Invalidate dead input registers used
232 for reloads.
234 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
236 PR rtl-optimization/25636
237 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
238 when deciding whether an insn is an initializing insn.
240 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
242 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
243 (tree_code_size): Ditto.
244 * tree.h (struct tree_memory_tag): Remove parent_var.
245 (struct tree_struct_field_tag): New.
246 (SFT_OFFSET): New.
247 (SFT_SIZE): New.
248 (union tree_node): Add sft member.
249 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
250 specially here.
251 (create_sft): Add size and offset argument, set SFT_OFFSET and
252 SFT_SIZE.
253 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
254 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
255 * tree-flow-inline.h (get_subvar_at): Update for
256 SFT_OFFSET/SFT_SIZE.
257 (var_can_have_subvars): Ditto.
258 (overlap_subvar): Ditto.
259 * print-tree.c (print_node): Print out interesting things for
260 SFT's.
261 * tree-flow.h (struct subvar): Remove offset and size members.
262 * tree-ssa-operands.c (get_expr_operands): Update for
263 get_indirect_ref_operands changes.
264 (get_indirect_ref_operands): Call add_virtual_operand instead of
265 add_stmt_operand. Only recurse on base var if requested.
266 (access_can_touch_variable): New function.
267 (add_stmt_operand): Split virtual operand handling into ...
268 (add_virtual_operand): Here. Add offset, size, and for_clobber
269 arguments. Prune alias sets.
270 (add_call_clobber_ops): Call add_virtual_operand.
272 2006-02-15 Jakub Jelinek <jakub@redhat.com>
274 PR middle-end/26300
275 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
277 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
278 than TREE_CODE as index into omp_clause_num_ops array.
280 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
282 PR rtl-optimization/26184
283 * modulo-sched.c (generate_reg_moves): Free bitmap vector
284 uses_of_defs.
285 * modulo-sched.c (sms_schedule): Free g_arr pointer.
286 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
287 must_precede, must_follow and tobe_scheduled.
289 PR other/26147
290 * opts.c (common_handle_option): Free new_option pointer.
291 * df-core.c (df_analyze): Free postorder pointer.
293 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
295 * Makefile.in: Fix the examples about the use of stamps
297 2006-02-15 Michael Matz <matz@suse.de>
299 PR middle-end/22275
301 * stor-layout.c (layout_decl): Zero-width bitfields aren't
302 influenced by maximum_field_alignment or DECL_PACKED.
303 (update_alignment_for_field): Ditto.
304 (place_field): Ditto.
305 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
306 this behaviour.
308 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
310 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
311 (debug_flow_info): Pass it.
312 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
313 * bb-reorder.c (reorder_basic_blocks): Likewise.
314 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
315 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
316 * flow.c (life_analysis, recompute_reg_usage): Likewise.
317 * gcse.c (gcse_main, bypass_jumps): Likewise.
318 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
319 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
320 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
321 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
322 * rtl.h (dump_flow_info): Adjust prototype.
323 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
324 * var-tracking.c (variable_tracking_main): Likewise.
325 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
326 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
327 options.
329 2006-02-15 Marcin Dalecki <martin@dalecki.de>
331 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
332 construction.
334 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
336 PR tree-optimization/26209
337 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
338 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
339 eh edges.
340 * tree-cfg.c (replace_uses_by): Do not alter cfg.
342 2006-02-14 Roger Sayle <roger@eyesopen.com>
344 PR middle-end/23670
345 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
346 (X,Y) and the corresponding symmetry related transformations.
347 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
348 (X,Y) and its symmetry related transformations.
350 2006-02-14 Roger Sayle <roger@eyesopen.com>
352 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
353 and GEU.
355 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
357 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
359 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
361 PR bootstrap/26053
362 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
363 support COMDAT group.
364 * configure: Regenerate.
366 2006-02-14 Roger Sayle <roger@eyesopen.com>
368 PR middle-end/26279
369 PR middle-end/26280
370 PR middle-end/26283
371 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
373 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
375 Fix PR tree-optimization/26260
377 * doc/invoke.texi (max-fields-for-field-sensitive): Document
378 param.
379 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
380 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
381 * tree-ssa-structalias.c (create_variable_info_for): Use
382 MAX_FIELDS_FOR_FIELD_SENSITIVE.
384 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
386 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
387 Document.
388 * tree-ssa-loop-niter.c (number_of_iterations_ne,
389 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
390 of the ending condition.
391 * tree-ssa-loop-manip.c: Include params.h.
392 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
393 tree_unroll_loop): New functions.
394 * tree-pass.h (pass_loop_prefetch): Declare.
395 * loop.c (rest_of_handle_loop_optimize): Test for
396 -fprefetch-loop-arrays-rtl.
397 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
398 * timevar.def (TV_TREE_PREFETCH): New timevar.
399 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
400 pass_loop_prefetch): New.
401 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
402 (cleanup_tree_cfg_loop): Call scev_reset.
403 * common.opt (fprefetch-loop-arrays-rtl): Add.
404 * tree-ssa-loop-prefetch.c: New file.
405 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
406 (new_temp_expr_table): Initialize expr_vars.
407 (free_temp_expr_table): Cleanup expr_vars.
408 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
409 expressions from being merged into one.
410 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
411 (struct tree_niter_desc): Add control, bound and cmp fields.
412 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
413 Declare.
414 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
415 (tree-cfgcleanup.o): Add SCEV_H dependency.
416 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
417 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
419 2006-02-14 Richard Guenther <rguenther@suse.de>
421 PR tree-optimization/26258
422 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
423 in PHI argument processing.
425 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
427 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
428 new expression in the requested machine mode.
430 2006-02-13 Roger Sayle <roger@eyesopen.com>
432 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
433 directly, instead let do_compare_rtx_and_jump handle this for us.
434 * expr.c (expand_expr_real_1): Likewise.
435 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
436 before do_jump_by_parts_greater.
437 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
438 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
440 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
442 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
444 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
446 PR rtl-optimization/26235
447 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
448 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
449 format.
451 2006-02-13 Jeff Law <law@redhat.com>
453 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
454 TRUTH_XOR_EPR.
456 2006-02-13 Jakub Jelinek <jakub@redhat.com>
458 PR middle-end/26092
459 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
460 twice if decl is a builtin. When trying again, call get_callee_fndecl
461 first to verify it is still a builtin.
463 2006-02-13 Geoffrey Keating <geoffk@apple.com>
465 * dwarf2out.c (base_type_die): Don't add AT_name here.
466 (subrange_type_die): Don't add AT_name here.
467 (modified_type_die): Rearrange code flow. Do add AT_name here.
469 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
471 PR rtl-optimization/26247
472 PR rtl-optimization/26248
473 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
475 2006-02-13 Richard Sandiford <richard@codesourcery.com>
477 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
478 * config/fixtfdi.c: Likewise.
479 * config/fixunstfdi.c: Likewise.
480 * config/floatditf.c: Likewise.
482 2006-02-13 Roger Sayle <roger@eyesopen.com>
484 PR middle-end/24427
485 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
486 into (X,C2) if C1 is a subset of the bits of C2. Transform
487 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
488 (X&(C1&~C2))|C2.
489 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
491 2006-02-13 Josh Conner <jconner@apple.com>
493 PR target/25376
494 * varasm.c (function_section): Check for section name before
495 calling select_section on targets that define
496 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
497 unlikely_text_section instead of hot_function_section if
498 first_function_block_is_cold.
500 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
502 PR middle-end/25335
503 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
505 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
507 PR rtl-optimization/26222
508 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
509 after tree->rtl expansion.
510 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
511 before passing it to emit_move_insn.
513 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
515 * doc/invoke.texi (-Write-strings): Document that it is enabled by
516 default.
517 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
518 Clarify documentation.
519 * c-common.h (warn_write_strings): Remove.
520 * c-common.c (warn_write_strings): Likewise.
521 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
522 default for C++.
524 2006-02-12 Roger Sayle <roger@eyesopen.com>
526 PR middle-end/25724
527 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
528 (do_jump_parts_zero_rtx): New function renamed from
529 do_jump_parts_equality_rtx. Made static. Add a mode argument.
530 (do_jump_parts_equality_rtx): New function split out from
531 do_jump_parts_equality. Old implementation renamed as above.
532 Call do_jump_parts_zero_rtx if either operand is zero.
533 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
534 do all of the heavy lifting.
535 (do_compare_rtx_and_jump): Handle multi-word comparisons by
536 calling either do_jump_by_parts_greater_rtx or
537 do_jump_by_parts_equality_rtx.
538 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
539 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
540 moved to do_compare_rtx_and_jump, call it directly.
541 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
542 mode argument. Call do_compare_rtx_and_jump.
543 (emit_case_nodes): Update calls to do_jump_if_equal.
545 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
547 PR rtl-optimization/26225
548 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
550 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
552 PR rtl-optimization/26232
553 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
555 2006-02-11 Jason Merrill <jason@redhat.com>
557 PR tree-opt/24365
558 * tree-inline.c (declare_return_variable): Just don't use the
559 modify target if it's a gimple complex reg and the return slot
560 isn't.
562 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * doc/contrib.texi: Update my entry.
566 2006-02-10 Geoffrey Keating <geoffk@apple.com>
568 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
570 2006-02-10 Diego Novillo <dnovillo@redhat.com>
572 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
573 expensive.
575 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
577 * doc/invoke.texi (-floop-optimize2): Removed.
578 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
579 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
580 Test flag_branch_on_count_reg only if HAVE_doloop_end.
581 * common.opt (floop-optimize2): Removed.
582 (fmove-loop-invariants): Enabled by default.
584 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
586 * tree-if-conv.c (combine_blocks): Free the result of
587 get_loop_exit_edges.
589 2006-02-10 Jeff Law <law@redhat.com>
591 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
593 PR tree-optimization/26213
594 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
595 loop trying to follow SSA_NAME_VALUE chains.
597 2006-02-10 Richard Guenther <rguenther@suse.de>
599 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
600 deal with structures that end in implicitly variable sized arrays.
602 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
604 PR rtl-optimization/24762
605 * df-scan.c (df_bb_refs_record): Record correct registers defined on
606 eh edges.
608 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
610 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
611 (struct ivopts_data): Add regs_used field.
612 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
613 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
614 instead of loop_data->regs_used;
615 (free_loop_data): Do not free aux fields for loops.
616 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
617 and tree_ssa_iv_optimize_finalize.
619 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
621 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
623 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
625 PR target/26141
626 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
627 computing the effective result type.
629 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
631 PR inline-asm/16194
632 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
633 (tree_overlaps_hard_reg_set): Declare.
634 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
635 type and signature to match function type expected by walk_tree.
636 (tree_overlaps_hard_reg_set): New function.
637 (decl_conflicts_with_clobbers_p): Rename to:
638 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
639 Use tree_overlaps_hard_reg_set. Changed caller.
640 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
641 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
642 * cris.c (cris_md_asm_clobbers): Likewise.
644 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
646 * reload1.c (emit_input_reload_insns): Delete code that tries to
647 inherit using find_equiv_reg.
649 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
651 * c-common.h (flag_const_strings): Don't declare.
652 * c-common.c (flag_const_strings): Remove.
653 * c.opt (fconst_strings): Remove.
654 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
655 <OPT_Wwrite_strings>: Don't set flag_const_strings.
656 (c_common_init_options): Don't set flag_const_strings.
657 * doc/invoke.texi (-fno-const-strings): Remove documentation.
659 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
661 * arm.md (tlobits_cbranch): New pattern.
662 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
663 testing a single bit.
665 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
667 PR tree-opt/26179
668 * tree-ssa-pre.c (create_component_ref_by_pieces):
669 Handle RETURN_DECL like VAR_DECL.
671 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
673 PR middle-end/26134
674 * fold-const.c (fold_indirect_ref_1): Fold
675 "*(foo *)&complexfoo" to "__real__ complexfoo"
676 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
678 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
680 * tree-flow-inline.h (var_can_have_subvars):
681 Volatile variables should not have subvariables.
683 2006-02-09 Diego Novillo <dnovillo@redhat.com>
685 PR 26180
686 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
687 multiplying unsigned values.
688 Tidy comments.
690 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
692 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
694 2006-02-08 Jason Merrill <jason@redhat.com>
696 PR c++/25979
697 * tree.def: Elaborate on difference from MODIFY_EXPR.
698 * doc/c-tree.texi (INIT_EXPR): Likewise.
699 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
700 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
701 (gimplify_target_expr): Likewise.
702 (gimplify_cond_expr): Remove target handling.
703 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
704 (gimplify_expr): Clobber it here.
705 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
706 Do return slot optimization if we have an INIT_EXPR.
708 PR tree-opt/24365
709 * tree-inline.c (declare_return_variable): Also clear
710 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
712 PR c++/16405
713 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
715 PR middle-end/22439
716 * gimplify.c (gimplify_one_sizepos): Fix typo.
718 2006-02-08 Jeff Law <law@redhat.com>
720 PR tree-optimization/21417
721 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
722 across a backedge if the control statement at the end of the
723 block is data dependent on other statements in the same block.
724 (record_temporary_equivalences_from_stmts): Remove over-conservative
725 test for threading across backedges.
727 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
728 control statement, handle all three special cases in the same
729 manner as they all have the same desired solution. No longer
730 special case edge flag updating when the post dominator is
731 the exit block.
733 2006-02-08 Roger Sayle <roger@eyesopen.com>
735 * tree.def (CHAR_TYPE): Remove.
736 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
737 * dwarf2out.c (base_type_die, is_base_type): Likewise.
738 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
739 (gen_string_type_die): Delete unreachable function.
741 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
742 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
743 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
744 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
745 * builtins.c (type_to_class): Likewise.
746 * fold-const.c (fold_convert, build_range_check,
747 merge_ranges): Likewise.
748 * expr.c (count_type_elements): Likewise.
749 * c-pretty-print.c (pp_c_type_specifier): Likewise.
750 * stor-layout.c (layout_type): Likewise.
751 * ipa-type-escape.c (type_to_consider): Likewise.
752 * gimplify.c (omp_firstprivatize_type_sizes,
753 gimplify_type_sizes): Likewise.
754 * explow.c (promote_mode): Likewise.
755 * tree-sra.c (is_sra_scalar_type): Likewise.
756 * varasm.c (output_constant): Likewise.
757 * tree-inline.c (remap_type_1): Likewise.
758 * convert.c (convert_to_pointer, convert_to_real,
759 convert_to_integer, convert_to_complex): Likewise.
761 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
763 * df-scan.c (df_def_record_1): A set destination may
764 be a parallel regardless of mode.
766 2006-02-08 Roger Sayle <roger@eyesopen.com>
768 PR target/22209
769 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
770 * config/mips/_tilib.c: Remove.
771 * config/fixtfdi.c: New libgcc source file.
772 * config/fixunstfdi.c: New source file.
773 * config/floatditf.c: New source file.
774 * config/floatunditf.c: New souce file.
775 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
776 files above instead of config/mips/_tilib.c.
777 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
779 2006-02-08 Jeff Law <law@redhat.com>
781 PR tree-optimization/26169
782 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
783 threading jumps.
785 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
787 * df.h (DF_REG_SIZE): Return the length of the initialized
788 part of the array.
790 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
792 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
793 __muldf3): Return a correctly signed zero.
795 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
797 * passes.c (register_one_dump_file): Accept the current properties
798 instead of pass number. Adjust call to dump_register. Remove
799 duplicated code.
800 (register_dump_files): Now a wrapper around...
801 (register_dump_files_1): ... this one. Do not modify the pass
802 structure.
803 (next_pass_1): Cosmetic fix.
804 (execute_todo): Keep second parameter only. Use curr_properties
805 instead of fetching it from the pass structure. Check and set
806 last_verified.
807 (execute_one_pass): Handle TODO_set_props. Use curr_properties
808 instead of fetching it from the pass structure. Fix calls to
809 execute_todo. Update curr_properties and initialize .vcg RTL dump
810 after running the pass. Reset last_verified.
811 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
812 at the beginning.
813 (FIRST_AUTO_NUMBERED_DUMP): New.
814 (dump_register): Remove "num" parameter, assign it within the
815 function.
816 (get_dump_file_name): Modify template for dumps.
817 * tree-dump.h (dump_register): Adjust prototype.
818 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
819 (PROP_trees): Add PROP_gimple_lomp.
820 (TODO_set_props): New.
821 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
822 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
823 * cfgexpand.c (pass_expand): Destroy PROP_trees.
825 2006-02-08 Jakub Jelinek <jakub@redhat.com>
827 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
828 (sparc64-*-linux*): Likewise.
829 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
830 * config/sparc/t-linux: New file.
831 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
832 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
833 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
834 -m32 -mlong-double-128.
836 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
837 * config/alpha/t-linux: New file.
838 * config/alpha/libgcc-alpha-ldbl.ver: New file.
840 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
841 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
842 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
843 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
844 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
845 (CPP_ARCH32_SPEC): Remove.
847 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
849 PR tree-optimization/26145
850 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
851 bbs pointer.
853 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
855 PR target/26109
856 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
857 >= 240000 when generating code for SOM runtime.
858 (output_indirect_call): Don't use "b,l" instruction for indirect calls
859 to $$dyncall when generating code for SOM runtime..
861 2006-02-07 Dirk Mueller <dmueller@suse.com>
863 PR c++/18150
864 * doc/invoke.texi (-Wsequence-point): Update documentation
865 that -Wsequence-point is implemented for C++ as well.
867 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
869 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
870 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
871 (LIB_SPEC): Likewise.
872 * doc/invoke.texi (SPARC options): Document -pthread.
874 2006-02-07 Geoffrey Keating <geoffk@apple.com>
876 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
877 PIC addresses.
879 2006-02-07 Roger Sayle <roger@eyesopen.com>
881 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
882 Correct comment describing BOOLEAN_TYPE.
884 2006-02-07 Dirk Mueller <dmueller@suse.com>
886 * c.opt: C++ frontend supports -Wdiv-by-zero.
887 * c-opts.c (c_common_handle_option): Remove dead case.
889 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
891 * configure.ac (TLS assembler check): Do not enable TLS by
892 default on SPARC/Solaris before version 10.
893 * configure: Regenerate.
895 2006-02-07 David Edelsohn <edelsohn@gnu.org>
897 * doc/invoke.texi (xl-compat): Document conversion and support
898 routine names.
900 2006-02-07 Jeff Law <law@redhat.com>
902 * tree-vrp.c (find_conditional_asserts): Update comments.
903 (simplify_stmt_for_jump_threading): New.
904 (identify_jump_threads, finalize_jump_threads): New.
905 (vrp_finalize): Call identify_jump_threads.
906 (execute_vrp): Call finalize_jump_threads.
907 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
908 (vrp_element, vrp_data, vrp_element_p): Remove.
909 (vrp_hash_elt, vrp_variables_stack): Remove.
910 (vrp_hash, vrp_eq, record_range): Remove.
911 (simplify_cond_and_lookup_avail_expr): Remove.
912 (extract_range_from_cond): Remove.
913 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
914 (simplify_stmt_for_jump_threading): New.
915 (dom_thread_across_edge): New wrapper.
916 (tree_ssa_dominator_optimize): No longer initialize or
917 finalize any of the VRP datastructures. Remove iteration
918 step and simplify as a result of removal of iteration step.
919 (pass_dominator): Perform a cfg cleanup after DOM.
920 (dom_opt_finalize_block): Use the new common routines
921 for threading jumps. Simplify stack management slightly.
922 No longer need to unwind VRP state.
923 (record_equivalences_from_incoming_edge): No longer record
924 VRP information.
925 (eliminate_redundant_computations): No longer call
926 simplify_cond_and_lookup_avail_expr.
927 * tree-flow.h (potentially_threadable_block): Prototype.
928 (thread_across_edge): Likewise.
929 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
930 (tree-ssa-threadedge.o): Add dependencies.
931 * tree-ssa-threadedge.c: New file.
932 * passes.c (init_optimization_passes): Merge PHIs before
933 calling VRP. Run VRP again late in the SSA optimization pipeline.
935 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
937 * df-core.c (df_set_blocks): Do not dereference function pointers.
938 (df_finish1): Likewise.
939 (df_hybrid_search_forward): Likewise.
940 (df_hybrid_search_backward): Likewise.
941 (df_iterative_dataflow): Likewise.
942 (df_analyze_problem): Likewise.
943 (df_compact_blocks): Likewise.
944 (df_dump): Likewise.
945 * df-scan.c (df_rescan_blocks): Likewise.
946 (df_record_entry_block_defs): Likewise.
948 * genconditions.c (write_conditions): Guard the definition of
949 'insn_conditions' with the check on GCC version.
950 (write_writer): Guard the traversal 'insn_conditions' with
951 the check on GCC version.
953 2006-02-07 Richard Guenther <rguenther@suse.de>
955 PR c++/26140
956 Revert
957 2006-01-30 Richard Guenther <rguenther@suse.de>
958 PR c++/23372
959 * gimplify.c (gimplify_target_expr): Handle easy cases
960 without creating a temporary.
962 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
964 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
965 use of float in probability computations. Use edge probabilities
966 in place of statically computed probabilities.
967 (min_spec_prob): New static variable.
968 (schedule_insns): Initialize it.
969 (GET_SRC_PROB): Removed.
970 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
972 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
974 PR debug/24444
975 * config/ia64/unwind-ia64.c: Revert last change.
976 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
977 (INCOMING_FRAME_SP_OFFSET): Define.
979 2006-02-06 Roger Sayle <roger@eyesopen.com>
981 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
983 2006-02-07 Ben Elliston <bje@au.ibm.com>
985 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
986 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
987 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
988 (ix86_return_in_memory): Handle TDmode.
989 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
990 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
992 2006-02-06 Richard Sandiford <richard@codesourcery.com>
994 * reorg.c (dbr_schedule): Use dump_file instead of file.
996 2006-02-06 Steve Ellcey <sje@cup.hp.com>
998 PR target/25917
999 * config/ia64/predicates.md (extr_len_operand): New predicate.
1000 * config/ia64/ia64.md (extv): Tighten constraints.
1001 (extzv): Ditto.
1002 (*tbit_and_2): Ditto.
1003 (*tbit_and_3): Ditto.
1004 (*tbit_or_2): Ditto.
1005 (*tbit_or_3): Ditto.
1006 (*bit_zero): Ditto.
1007 (*bit_one): Ditto.
1009 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
1011 PR target/23359
1012 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
1014 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
1016 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
1017 loop_optimizer_init and loop_optimizer_finalize
1018 * tree-ssa-sink.c (execute_sink_code): Ditto.
1019 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1020 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
1021 tree_ssa_loop_done): Ditto.
1022 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
1023 * sched-ebb.c: Include output.h.
1024 (schedule_ebbs): Do not use dump argument.
1025 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
1026 * loop.c (loop_dump_stream): Removed.
1027 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
1028 argument.
1029 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
1030 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
1031 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
1032 loop_iterations, strength_reduce, record_biv, record_giv,
1033 final_giv_value, check_final_value, check_ext_dependent_givs,
1034 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
1035 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
1036 dump_file instead of loop_dump_stream.
1037 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
1038 argument dump_file.
1039 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
1040 dump argument.
1041 * flow.c (life_analysis, rest_of_handle_life): Ditto.
1042 * haifa-sched.c: Include output.h
1043 (schedule_insns, sched_init): Do not use dump argument.
1044 * mode-switching.c (optimize_mode_switching): Ditto.
1045 * modulo-sched.c (stats_file): Removed.
1046 (print_node_sched_params): Do not call argument dump_file.
1047 (sms_schedule_by_order, loop_canon_p, sms_schedule,
1048 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
1049 of stats_file.
1050 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
1051 use dump argument.
1052 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
1053 rtl_loop_init, rtl_loop_done): Ditto.
1054 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
1055 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
1056 Ditto.
1057 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
1058 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
1059 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
1060 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
1061 * emit-rtl.c (renumber_insns): Ditto.
1062 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
1063 expand_gimple_basic_block, tree_expand_cfg): Ditto.
1064 * regclass.c (regclass): Ditto.
1065 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
1066 remove_ssa_form, rewrite_out_of_ssa): Ditto.
1067 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
1068 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
1069 Ditto.
1070 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
1071 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
1072 to regclass.
1073 * gcse.c (gcse_file, debug_stderr): Removed.
1074 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
1075 rest_of_handle_gcse): Do not use dump argument.
1076 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
1077 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
1078 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
1079 compute_code_hoist_vbeinout, compute_code_hoist_data,
1080 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
1081 compute_store_table, build_store_vectors, insert_insn_start_bb,
1082 insert_store, remove_reachable_equiv_notes, replace_store_insn,
1083 store_motion): Use dump_file instead of gcse_file.
1084 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
1085 * profile.c (profile_dump_file): Removed.
1086 (branch_prob): Use dump_file instead of profile_dump_file.
1087 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
1088 dump_file.
1089 * tree-ssa-copy.c (dump_copy_of): Ditto.
1090 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
1091 dump file to life_analysis.
1092 * bt-load.c (branch_target_load_optimize): Ditto.
1093 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
1094 renumber_insns.
1095 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
1096 regclass, dbr_schedule): Declaration changed.
1097 * sched-int.h (sched_init): Declaration changed.
1098 * tree-profile.c (tree_profile_dump_file): Removed.
1099 (tree_profile_hooks): Removed profile_dump_file hook.
1100 * rtl-profile (rtl_profile_dump_file): Removed.
1101 (rtl_profile_hooks): emoved profile_dump_file hook.
1102 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
1103 changed.
1104 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
1105 * tree-cfg.c (build_tree_cfg): Ditto.
1106 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
1107 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
1108 Declaration changed.
1109 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
1110 life_analysis and schedule_insns.
1111 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
1112 life_analysis.
1113 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
1114 dbr_schedule.
1115 * config/mips/mips.c (mips_reorg): Ditto.
1116 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
1117 schedule_ebbs.
1119 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
1121 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1122 (s390_mangle_fundamental_type): New.
1123 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1124 Define.
1126 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1127 (alpha_mangle_fundamental_type): New.
1128 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1129 Define.
1131 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1132 Define.
1133 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
1134 Define.
1135 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1136 (sparc_mangle_fundamental_type): New.
1138 2006-02-06 Jakub Jelinek <jakub@redhat.com>
1140 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
1141 (s390x-*-linux*): Likewise.
1142 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
1143 * config/s390/t-linux: New file.
1145 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1147 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
1148 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
1150 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
1152 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
1153 (ANTIC_SAFE_LOADS): New macro.
1154 (find_or_generate_expression): Add prototype.
1155 (set_contains_value): Allow null set for sake of not always having
1156 to allocate ANTIC_SAFE_LOADS.
1157 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
1158 Allow COMPONENT_REF too.
1159 (valid_in_set): Allow COMPONENT_REF.
1160 Check ANTIC_SAFE_LOADS too.
1161 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
1162 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
1163 rename.
1164 (can_PRE_operation): Add COMPONENT_REF.
1165 (create_component_ref_by_pieces): New function.
1166 (create_expression_by_pieces): Use create_component_ref_by_pieces.
1167 (insert_aux): Move AGGREGATE_TYPE_P check here.
1168 (compute_avail): Set bb local stmt uids.
1169 (pass_pre): Use TODO_update_ssa_only_virtuals.
1171 2006-02-06 Ben Elliston <bje@au.ibm.com>
1173 * configure.ac: Unconditionally disable decimal float by default.
1174 * configure: Regenerate.
1176 2006-02-06 Ben Elliston <bje@au.ibm.com>
1178 * read-rtl.c (read_name): Terminate reading on EOF.
1180 2006-02-06 Ben Elliston <bje@au.ibm.com>
1182 * dfp.c (decimal_real_arithmetic): Change second argument type
1183 from int to enum tree_code. Do not always return true, but now
1184 return result of any call to decimal_do helper functions.
1185 * dfp.h (decimal_real_arithmetic): Update prototype.
1187 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
1189 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
1191 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
1193 PR tree-opt/25251
1194 * tree-cfg.c (cleanup_dead_labels): Also don't remove
1195 forced labels.
1197 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1199 * tree-vrp.c (cfg_loops): Removed.
1200 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
1201 Use current_loops instead of cfg_loops. Pass flags to
1202 loop_optimizer_init.
1203 * cfgloopmanip.c (fix_loop_structure): Update only available
1204 information.
1205 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
1206 loop_optimizer_init.
1207 * modulo-sched.c (build_loops_structure): Removed.
1208 (sms_schedule): Use loop_optimizer_init.
1209 * loop-init.c (loop_optimizer_init): Use flags to determine
1210 which properties of loops to prepare.
1211 (rtl_loop_init): Pass flags to loop_optimizer_init.
1212 * tree-ssa-sink.c (execute_sink_code): Ditto.
1213 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1214 * tree-ssa-pre.c (init_pre): Ditto.
1215 * cfgloop.h (LOOPS_NORMAL): New.
1216 (loop_optimizer_init): Declaration changed.
1218 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1220 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
1221 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
1222 pa/t-pa.
1223 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
1224 pa/t-pa.
1225 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
1226 pa/x-ada.
1227 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
1228 * pa/t-pa64: Delete quadlib.c rule.
1229 * pa/x-ada: Revert last change.
1230 * pa/t-pa: Revert last change. Delete quadlib.c rule.
1232 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
1234 PR rtl-optimization/26087
1235 * rtlanal.c (canonicalize_condition): Do not cross basic block
1236 boundaries.
1238 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
1240 PR debug/24444
1241 * config/ia64/ia64.c: Include debug.h.
1242 (MAX_ARTIFICIAL_LABEL_BYTES): New.
1243 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
1244 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
1245 (process_epilogue, process_set, process_for_unwind_directive):
1246 Output unwind info only if requested. Add CFA info if requested.
1247 Add new arguments as needed. Adjust callers.
1248 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
1249 incorrect default.
1250 (DWARF2_FRAME_INFO): Define to zero.
1251 * config/ia64/unwind-ia64.c: Remove code that compensated for
1252 the CFA offset error fixed above.
1253 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
1254 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
1255 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
1256 -funwind-tables and -fexceptions to enable frame info.
1257 (dwarf2out_frame_init): Define initial CFA even if
1258 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
1259 DWARF2_UNWIND_INFO is nonzero, not just defined.
1260 (dwarf2out_frame_finish): Output non-EH call frame info only
1261 if DWARF2_FRAME_INFO is nonzero.
1262 (convert_cfa_to_loc_list,
1263 compute_frame_pointer_to_cfa_displacement): Define even if
1264 unwind info is not supported.
1265 (gen_subprogram_die): Use the above unconditionally. Remove
1266 legacy alternate code.
1267 * toplev.c (compile_file): Compile in call to
1268 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
1269 (lang_dependent_init): Ditto for dwarf2out_frame_init.
1271 2006-02-04 David Edelsohn <edelsohn@gnu.org>
1272 Jakub Jelinek <jakub@redhat.com>
1274 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
1275 IBM extended float format long double as "g" on powerpc*-linux.
1277 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1279 PR target/25926
1280 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
1281 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
1283 2006-02-03 Jason Merrill <jason@redhat.com>
1285 PR c++/25979
1286 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
1288 PR middle-end/25977
1289 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
1290 on the return slot if it's an NRV.
1292 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
1294 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
1295 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
1296 rewrite_use): Do not handle USE_OUTER.
1297 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
1298 add_iv_outer_candidates, may_replace_final_value,
1299 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
1300 (find_interesting_uses_op): Functionality of
1301 find_interesting_uses_outer_or_nonlin moved here.
1302 (find_interesting_uses_outside): Use find_interesting_uses_op.
1304 2006-02-03 Alan Modra <amodra@bigpond.net.au>
1306 PR target/25960
1307 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
1309 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
1310 Ulrich Weigand <uweigand@de.ibm.com>
1312 PR target/25864
1313 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
1314 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
1315 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
1316 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
1317 and dxr fields.
1318 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
1319 (s390_rtx_costs): Use the new fields to calculate rtx costs.
1320 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
1321 Define secondary reloads for TFmode moves.
1322 (constant_modes): Add TFmode.
1323 (NR_C_MODES): Set to 8.
1324 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
1325 builtin define.
1326 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
1327 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
1328 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
1329 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
1330 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
1331 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
1332 (FPR mode macro): Add TFmode.
1333 (DSF mode macro): New.
1334 (<de>, <dee> mode attributes): Removed.
1335 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
1336 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
1337 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
1338 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
1339 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
1340 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1341 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1342 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1343 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1344 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1345 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1346 "*negabs<mode>2", "sqrt<mode>2"):
1347 Changed <de> to <xde>. R constraint replaced by <Rf>.
1348 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1349 <Rf>.
1350 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1351 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1352 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1353 splitters.
1354 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1355 "extenddftf2", "extendsftf2"): New expanders.
1356 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1357 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1358 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1359 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1360 New options.
1361 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1362 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1363 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1364 __floatditf): Add a GCC_4.1.0 symbol version tag.
1365 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1366 the new options.
1368 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1370 PR target/25377
1371 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1372 Use targetm.binds_local_p instead of TREE_PUBLIC.
1374 2006-02-02 Roger Sayle <roger@eyesopen.com>
1376 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1377 on INTEGER_TYPEs to indicate that it denotes a character type.
1378 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1379 signed_char_type_node, unsigned_char_type_node and char_type_node.
1380 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1381 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1382 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1384 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1385 Daniel Berlin <dberlin@dberlin.org>
1387 * tree-tailcall.c (arg_needs_copy_p): New function.
1388 (eliminate_tail_call): Use arg_needs_copy_p.
1389 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1390 (add_virtual_phis): New function.
1392 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1394 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1395 #ignore instead of #scratch for %g7 .register directive.
1397 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1399 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1400 object files.
1402 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1404 * flow.c (calculate_global_regs_live): Assert that there aren't any
1405 EDGE_FAKE edges.
1407 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1409 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1410 what its name says.
1411 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1412 bsi_after_labels iterator.
1413 * tree-if-conv.c (find_phi_replacement_condition,
1414 replace_phi_with_cond_modify_expr): Likewise.
1415 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1416 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1418 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1420 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1422 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1424 PR 25990
1425 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1426 array after growing it.
1428 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1430 PR middle-end/24901
1431 * fold-const.c (fold_checksum_tree): Change type of buf.
1433 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1435 * reload.c (push_secondary_reload): Initialize t_icode.
1437 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1439 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1440 -msoft-float -mlong-double-128 only issue a warning, but don't
1441 swich to DFmode long double.
1443 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1445 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1446 has a constant equivalent, iterate over equivalents for arg0,
1447 calling simplify_relational_operation and if there's a result
1448 cheaper than X, apply fold_rtx and return the result.
1450 2006-02-01 Jan Hubicka <jh@suse.cz>
1452 * opts.c (no_unit_at_a_time_default): New global variable.
1453 (decode_options): Use it.
1454 * opts.h (no_unit_at_a_time_default): Declare.
1456 2006-02-01 Paul Brook <paul@codesourcery.com>
1458 * function.c (assign_parm_setup_reg): Use function argument promotion
1459 rules.
1460 * expr.c (expand_expr_real_1): Use function argument promotion rules
1461 for PARM_DECLs.
1463 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1465 * gcc.c (process_command): Change j to 'unsigned int'.
1467 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1469 PR middle-end/26001
1470 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1471 Use the corrected index for the character
1472 out of the string constant.
1474 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1476 * mode-switching.c (optimize_mode_switching): Fix size
1477 allocated for bb_info[n_entities].
1479 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1481 * gcc.c (main): Correct type that is allocated for
1482 explicit_link_files.
1484 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1486 * config/s390/s390.c (init_alignment_context): Set
1487 ALIAS_SET_MEMORY_BARRIER on the MEM.
1488 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1490 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1492 PR middle-end/25933
1493 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1494 dom_bbs pointer.
1495 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1496 call to tpa_init.
1498 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1500 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1501 * regrename.c: Ditto.
1502 * tree-ssa-loop-im.c: Ditto.
1503 * tree-dump.c: Ditto.
1504 * tree-complex.c: Ditto.
1505 * genrecog.c: Ditto.
1506 * tree-ssa-threadupdate.c: Ditto.
1507 * tracer.c: Ditto.
1508 * java/class.c: Ditto.
1509 * java/jcf-parse.c: Ditto.
1510 * java/resource.c: Ditto.
1511 * java/except.c: Ditto.
1512 * java/jvspec.c: Ditto.
1513 * java/jcf-write.c: Ditto.
1514 * java/jcf-path.c: Ditto.
1515 * java/gjavah.c: Ditto.
1516 * java/zextract.c: Ditto.
1517 * java/jcf-io.c: Ditto.
1518 * java/jcf.h: Ditto.
1519 * java/buffer.c: Ditto.
1520 * java/lang.c: Ditto.
1521 * java/parse-scan.y: Ditto.
1522 * java/lex.c: Ditto.
1523 * java/lex.h: Ditto.
1524 * cfgloopmanip.c: Ditto.
1525 * postreload-gcse.c: Ditto.
1526 * tree-ssa-loop-manip.c: Ditto.
1527 * postreload.c: Ditto.
1528 * tree-ssa-loop-ch.c: Ditto.
1529 * loop.c: Ditto.
1530 * ipa-cp.c: Ditto.
1531 * cppspec.c: Ditto.
1532 * diagnostic.c: Ditto.
1533 * final.c: Ditto.
1534 * genoutput.c: Ditto.
1535 * gcc.c: Ditto.
1536 * cfghooks.c: Ditto.
1537 * cfgloopanal.c: Ditto.
1538 * objc/objc-act.c: Ditto.
1539 * gcov.c: Ditto.
1540 * genextract.c: Ditto.
1541 * genautomata.c: Ditto.
1542 * pretty-print.c: Ditto.
1543 * genemit.c: Ditto.
1544 * cgraphunit.c: Ditto.
1545 * flow.c: Ditto.
1546 * df-scan.c: Ditto.
1547 * haifa-sched.c: Ditto.
1548 * dominance.c: Ditto.
1549 * dbxout.c: Ditto.
1550 * tree-ssa-loop-ivopts.c: Ditto.
1551 * df-core.c: Ditto.
1552 * mode-switching.c: Ditto.
1553 * modulo-sched.c: Ditto.
1554 * graph.c: Ditto.
1555 * ipa-pure-const.c: Ditto.
1556 * cse.c: Ditto.
1557 * fix-header.c: Ditto.
1558 * web.c: Ditto.
1559 * tree-stdarg.c: Ditto.
1560 * ipa-utils.c: Ditto.
1561 * loop-init.c: Ditto.
1562 * ipa-inline.c: Ditto.
1563 * cfganal.c: Ditto.
1564 * global.c: Ditto.
1565 * alloc-pool.c: Ditto.
1566 * dwarf2out.c: Ditto.
1567 * opts.c: Ditto.
1568 * genattrtab.c: Ditto.
1569 * tree-ssa-loop-ivcanon.c: Ditto.
1570 * predict.c: Ditto.
1571 * timevar.c: Ditto.
1572 * lcm.c: Ditto.
1573 * fortran/gfortranspec.c: Ditto.
1574 * regmove.c: Ditto.
1575 * local-alloc.c: Ditto.
1576 * langhooks.c: Ditto.
1577 * function.c: Ditto.
1578 * tree-vectorizer.c: Ditto.
1579 * gcse.c: Ditto.
1580 * ipa-type-escape.c: Ditto.
1581 * alias.c: Ditto.
1582 * tree-if-conv.c: Ditto.
1583 * profile.c: Ditto.
1584 * ipa.c: Ditto.
1585 * tree-data-ref.c: Ditto.
1586 * loop-unroll.c: Ditto.
1587 * treelang/treetree.c: Ditto.
1588 * calls.c: Ditto.
1589 * bt-load.c: Ditto.
1590 * ggc-common.c: Ditto.
1591 * except.c: Ditto.
1592 * coverage.c: Ditto.
1593 * cselib.c: Ditto.
1594 * tree-cfgcleanup.c: Ditto.
1595 * tree-ssa-pre.c: Ditto.
1596 * cfgcleanup.c: Ditto.
1597 * loop-invariant.c: Ditto.
1598 * loop-iv.c: Ditto.
1599 * ipa-prop.c: Ditto.
1600 * print-tree.c: Ditto.
1601 * conflict.c: Ditto.
1602 * ggc-page.c: Ditto.
1603 * sched-deps.c: Ditto.
1604 * regclass.c: Ditto.
1605 * tree-object-size.c: Ditto.
1606 * combine.c: Ditto.
1607 * bb-reorder.c: Ditto.
1608 * resource.c: Ditto.
1609 * var-tracking.c: Ditto.
1610 * cfgloop.c: Ditto.
1611 * df-problems.c: Ditto.
1612 * reg-stack.c: Ditto.
1613 * tlink.c: Ditto.
1614 * gccspec.c: Ditto.
1615 * sched-rgn.c: Ditto.
1616 * tree-ssa-structalias.c: Ditto.
1617 * tree-ssa-reassoc.c: Ditto.
1618 * config/darwin-c.c: Ditto.
1619 * config/darwin.c: Ditto.
1620 * config/arm/arm.c: Ditto.
1621 * cfgrtl.c: Ditto.
1622 * collect2.c: Ditto.
1623 * reload1.c: Ditto.
1625 2006-01-31 Nicolas Pitre <nico@cam.org>
1627 * arm.md (smaxsi3): Make aware of smax_m1.
1628 (smax_m1): New.
1630 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1632 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1634 2006-01-31 Richard Guenther <rguenther@suse.de>
1636 * doc/invoke.texi (-msselibm): Document.
1637 * target.h (expand_library_builtin): New target hook.
1638 * builtins.c (expand_builtin): Use expand_library_builtin.
1639 (default_expand_library_builtin): New function.
1640 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1641 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1642 (link_gcc_math_spec): Declare.
1643 (static_specs): Add link_gcc_math_spec.
1644 * expr.h (default_expand_library_builtin): Declare.
1645 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1646 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1647 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1648 * config/i386/i386.opt (msselibm): New target option.
1649 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1650 (ix86_init_sse_abi_builtins): New function.
1651 (ix86_expand_library_builtin): Likewise.
1652 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1653 (override_options): Handle error conditions wrt -msselibm.
1654 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1655 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1656 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1657 builtins.
1659 2006-01-31 Richard Guenther <rguenther@suse.de>
1660 Paolo Bonzini <bonzini@gnu.org>
1662 * doc/install.texi (--disable-libgcc-math): Document.
1664 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1666 * expr.h (expand_normal): new inline function.
1667 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1668 * dojump.c: use it.
1669 * dwarf2out.c: use it.
1670 * expr.c: use it.
1671 * calls.c: use it.
1672 * expmed.c: use it.
1673 * except.c: use it.
1674 * config/sparc/sparc.c: use it.
1675 * config/i386/i386.c: use it.
1676 * config/rs6000/rs6000.c: use it.
1677 * config/arm/arm.c: use it.
1678 * config/mips/mips.c: use it.
1679 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1681 2006-01-30 Roger Sayle <roger@eyesopen.com>
1683 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1684 argv to the appropriate type.
1686 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1688 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1689 unreachable code.
1691 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1693 PR target/26018
1694 * config/s390/s390.c (struct machine_function): New flag
1695 decomposed_literal_pool_addresses_ok_p.
1696 (s390_reorg): Set it before final stage of literal pool transforms.
1697 (s390_decompose_address): Only accept displacements of the form
1698 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1700 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1702 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1703 the comparison routine return.
1705 2006-01-30 Michael Matz <matz@suse.de>
1707 * global.c (find_reg): Only evict for global regs.
1708 Take n_refs into account and dump more info.
1710 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1712 PR target/14798:
1713 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1714 (pragma_trap, pragma_nosave_low_regs): Likewise.
1715 (current_function_anonymous_args): Likewise.
1716 (sh_deferred_function_attributes): New variable.
1717 (sh_deferred_function_attributes_tail): Likewise.
1718 (print_operand): For '@', look up trap_exit attribute.
1719 (calc_live_regs): Look up trapa_handler attribute. For trapa
1720 handlers, save/restore fpscr, but don't do any other
1721 interrupt-specific saves.
1722 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1723 Fix check for partially saved registers to check for SHmedia.
1724 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1725 (sh_output_function_epilogue): Don't clear any of the removed
1726 variables.
1727 (sh_insert_attributes): Don't check pragma_interrupt.
1728 Insert deferred attributes. Check that interrupt attribute is
1729 present for other attributes that require its presence.
1730 (sh_attribute_table): Add new attributes trapa_handler and
1731 nosave_low_regs.
1732 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1733 Don't check for pragma_interrupt. Don't store argument.
1734 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1735 (sh_deferred_function_attributes): Declare.
1736 (sh_deferred_function_attributes_tail): Likewise.
1737 * sh.md (sp_switch_1): Add operand. Change generator caller.
1738 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1739 (*return_i): Don't use when trap_exit attribute is in effect.
1740 (*return_trapa): New insn pattern.
1741 * sh-c.c: New file.
1742 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1743 setting c_target_objs and cxx_target_objs.
1744 * t-sh: Add rule for sh-c.o.
1746 2006-01-30 Richard Guenther <rguenther@suse.de>
1748 PR c++/23372
1749 * gimplify.c (gimplify_target_expr): Handle easy cases
1750 without creating a temporary.
1752 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1754 * vec.h (safe_grow): Remove duplicated line.
1756 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1758 PR 25874
1759 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1760 (expand_omp): ... here.
1761 (expand_omp_parallel): Only remove barriers for combined
1762 parallel+workshare constructs.
1764 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1766 Revert
1768 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1769 * tree.c (build_qualified_type): Chain the new type to the original
1770 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1771 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1772 (build_pointer_type_for_mode): Only return unqualified types.
1773 (build_reference_type_for_mode): Likewise.
1775 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1777 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1778 * Makefile.in (CXX_COMPAT_WARN): Define.
1779 * configure: Regenerate.
1781 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1783 PR tree-opt/25911
1784 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1785 to an if check.
1787 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1789 * toplev.c: Fix thinko.
1791 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1792 Marcin Dalecki <martin@dalecki.de>
1794 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1795 (push_srcloc): Use XNEW.
1796 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1798 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1800 * df-core.c (df_set_blocks): Deleted all variable.
1802 2006-01-28 Ian Lance Taylor <ian@airs.com>
1804 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1805 cgraph_output_pending_asms.
1807 2006-01-28 Zack Weinberg <zackw@panix.com>
1809 * c.opt: Add -W(no-)overlength-strings.
1810 * doc/invoke.texi: Document it.
1811 * c-opts.c (c_common_handle_option): -pedantic implies
1812 -Woverlength-strings, if not explicitly disabled already.
1813 (c_common_post_options): -Woverlength-strings defaults to off, and
1814 is always off for C++.
1815 * c-common.c (fix_string_type): Issue warning about strings longer
1816 than is portable only if warn_overlength_strings. Rearrange code
1817 a little for clarity.
1818 * configure.in: Check for -Wno-overlength-strings as well before
1819 enabling -pedantic in stage 1.
1820 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1821 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1823 * genconditions.c (write_header, write_one_condition)
1824 (write_conditions, write_writer): Consolidate very long strings
1825 that were broken up to fit in C89 portable limit. Don't use
1826 printf when fputs will do.
1828 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1830 * combine.c (simplify_comparison <AND>): Check
1831 TRULY_NOOP_TRUNCATION before start using a subreg.
1833 * config/mips/mips.md (*branch_zero<mode>,
1834 *branch_zero<mode>_inverted, *branch_equality<mode>,
1835 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1836 Remove mode check from comparisons.
1838 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1840 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1842 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1844 * expmed.c (const_mult_add_overflow_p): Remove.
1845 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1847 * recog.c (validate_replace_rtx_subexp): Remove.
1848 * recog.h: Remove the prototype for
1849 validate_replace_rtx_subexp.
1851 * integrate.h: Remove the prototype for
1852 copy_decl_for_inlining.
1853 * rtl.h: Remove the prototype for mark_constant_function.
1854 * tree-vectorizer.h: Remove the prototype for
1855 vect_strip_conversion.
1857 * modulo-sched.c (create_partial_schedule,
1858 free_partial_schedule, reset_partial_schedule): Make them
1859 static.
1861 * hooks.c (hook_bool_rtx_int_false): Remove.
1862 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1864 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1866 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1867 and -mlong-double-128 are incompatible.
1868 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1869 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1870 (TARGET_LIBGCC2_CFLAGS): Define.
1871 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1872 (TARGET_LIBGCC2_CFLAGS): Same.
1873 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1875 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1877 PR c/19606.
1878 * c-typeck.c (build_binary_op): Perform implicit casts of
1879 operands before shortening them.
1881 * cfgloopmanip.c (split_loop_bb): Remove.
1882 * cfgloop.h: Remove the prototype for split_loop_bb.
1884 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1885 * cfgloop.h: Remove the prototype for
1886 flow_loop_outside_edge_p.
1888 * emit-rtl.c (init_virtual_regs): Make it static.
1889 * function.h: Remove the prototype for init_virtual_regs.
1891 * recog.c (peephole2_optimize): Make it static.
1892 * recog.h: Remove the prototype for peephole2_optimize.
1894 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1896 * df-scan.c (df_record_entry_block_defs): Check if
1897 INCOMING_RETURN_ADDR_RTX is defined.
1899 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1900 Kenneth Zadeck <zadeck@naturalbridge.com>
1902 PR rtl-optimization/24762
1903 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1904 * targhooks.c (hook_void_bitmap): New hook prototype.
1905 * targhoohs.h (hook_void_bitmap): Ditto.
1906 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1907 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1908 * target.h (live_on_entry): New function pointer.
1909 * df-scan.c (df_all_hard_regs): Removed.
1910 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1911 (df_scan_free_internal): Added df->entry_block_defs.
1912 (df_scan_alloc): Ditto.
1913 (df_scan_dump): Ditto.
1914 (df_uses_record): Plumbed flag field properly thru calls.
1915 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1916 This part fixes PR24762.
1917 (df_bb_refs_record): Added code to make the frame and arg
1918 pointers live in EH blocks.
1919 (df_refs_record): Added call to df_record_entry_block_defs.
1920 (df_record_entry_block_defs): New function.
1921 * df-core.c: Added comments to describe new artifical defs.
1922 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1923 (entry_block_defs): New field in struct df.
1924 (df_all_hard_regs): Deleted.
1925 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1926 * df-problems.c (df_ru_bb_local_compute_process_def):
1927 Added code to handle artifical defs in the entry to a function.
1928 (df_ru_bb_local_compute): Ditto.
1929 (df_rd_bb_local_compute_process_def): Ditto.
1930 (df_rd_bb_local_compute): Ditto.
1931 (df_lr_bb_local_compute): Ditto.
1932 (df_ur_bb_local_compute): Ditto.
1933 (df_urec_bb_local_compute): Ditto.
1934 (df_chain_create_bb): Ditto.
1935 (df_ur_local_finalize): Removed entry.
1936 (df_urec_init): Ditto.
1937 (df_urec_local_finalize): Ditto.
1938 (df_ri_bb_compute): Added detection of last use of pseudos.
1939 * Makefile.in (df-scan.o): Updated dependencies.
1940 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1941 * config/mips/mips.c (mips_set_live_on_entry): Added.
1942 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1943 for target hook.
1944 * dce.c (marked_insn_p): Added code to handle artifical defs.
1946 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1948 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1949 intrinsic.
1950 (_mm_cvtsi128_si64): Likewise.
1951 (_mm_cvtsd_si64): Likewise.
1952 (_mm_cvttsd_si64): Likewise.
1953 (_mm_cvtsi64_sd): Likewise.
1954 (_mm_cvtsi64_si128): Likewise.
1955 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1956 (_mm_cvtsi64_m64): Likewise.
1957 (_m_to_int64): Likewise.
1958 (_mm_cvtm64_si64): Likewise.
1959 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1960 (_mm_cvttss_si64): Likewise.
1961 (_mm_cvtsi64_ss): Likewise.
1962 (_mm_cvtss_f32): Likewise.
1964 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1966 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1967 for pragma redefine_extname.
1969 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1971 PR target/25864
1972 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1973 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1974 -mno-minimal-toc to previous content.
1975 (bispecs): Remove goal.
1976 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1977 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1978 compatibility aliases on powerpc-*-*gnu*.
1979 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1980 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1981 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1982 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1983 (ldblspecs): New goal.
1984 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1985 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1986 _df_to_tf.
1987 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1988 L_sf_to_tf or L_df_to_tf is defined.
1990 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1991 Alan Modra <amodra@bigpond.net.au>
1993 PR target/25864
1994 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1995 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1996 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1997 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1998 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1999 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2000 (rs6000_override_options): Initialize rs6000_ieeequad.
2001 Initialize TFmode format to ibm_extended_format if not
2002 TARGET_IEEEQUAD.
2003 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2004 ieeelongdouble.
2005 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2006 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2007 (function_arg_advance): IBM long double passed in two FPRs, not
2008 split.
2009 (function_arg): IBM long double passed in FPRs.
2010 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
2011 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
2012 Only multireg GPR aligned.
2013 (rs6000_init_libfuncs): Enable IBM long double functions if not
2014 IEEEQUAD.
2015 (rs6000_generate_compare): Use IBM long double compare if not
2016 TARGET_IEEEQUAD.
2017 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
2018 (TARGET_IEEEQUAD): Define.
2019 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
2020 not TARGET_IEEEQUAD.
2021 * config/rs6000/rs6000.md: Enable TFmode patterns if
2022 !TARGET_IEEEQUAD.
2023 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
2024 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2025 and -mlong-double-128 are incompatible.
2026 * doc/invoke.texi (-mabi): Collect options together. Add
2027 ibmlongdouble and ieeelongdouble.
2029 2006-01-27 Richard Sandiford <richard@codesourcery.com>
2031 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
2032 opaque type.
2033 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
2034 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
2035 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
2036 * rtl.h (rtunion_def): Remove rt_ptr.
2037 (X0PTR): Delete.
2038 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
2039 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
2040 * config/i386/winnt.c (i386_pe_mark_dllexport)
2041 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
2043 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
2045 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
2047 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2049 PR other/24829
2050 PR target/24831
2051 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
2052 pthread_key_delete. From John David Anglin. gthrw-ify
2053 pthread_getunique_np only if it it's not a macro. Delete
2054 UNUSED macro.
2055 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
2056 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
2057 __gthread_objc_condition_signal, __gthread_key_delete): Add
2058 "__attribute__ ((__unused__))" to unused arguments.
2059 (__gthread_recursive_mutex_init_function): Add missing return.
2060 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
2061 gthr-posix95.h: Use macro-based approach for name redirection
2062 on targets missing weakref.
2064 2006-01-26 Zack Weinberg <zackw@panix.com>
2066 * genconditions.c (write_header): In generated code, #ifdef out
2067 all includes and fake declarations, except includes of bconfig.h
2068 and system.h, unless GCC_VERSION >= 3001. Do not include
2069 gensupport.h in any case.
2070 (write_conditions): Generate a definition of struct c_test. Add
2071 a comment to the generated #endif.
2072 (write_one_condition): Escape backslashes in string too.
2073 (write_writer): Generated code must escape backslashes and quote
2074 marks (but not newlines) in the strings it writes.
2075 * Makefile.in (build/gencondmd.o): Update dependencies.
2077 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2079 PR target/25961
2080 * Makefile.in (insn-automata.o): Add header file dependencies.
2081 * genautomata.c: Add includes.
2083 2006-01-26 Steve Ellcey <sje@cup.hp.com>
2085 PR target/25961
2086 * Makefile.in (insn-automata.o): Add -Wno-error flag.
2088 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2090 * configure.ac: Expect target tools paths to be passed from the toplevel
2091 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
2092 AS_SET_VAR_IF.
2093 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
2095 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
2097 PR c/25892
2098 * c.opt (Wpointer-sign): Init to -1.
2099 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
2100 OPT_pedantic, to 0 otherwise.
2101 * doc/invoke.texi: Update.
2103 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
2105 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
2106 constants provided by 80387 instructions in the destination mode.
2108 2006-01-26 Richard Guenther <rguenther@suse.de>
2109 Andrew Pinski <pinskia@physics.uc.edu>
2111 PR tree-opt/21470
2112 partial PR tree-opt/17064
2113 * tree-ssa-structalias.c (intra_create_variable_infos):
2114 Create heap variables for incoming parameters if
2115 flag_argument_noalias > 1.
2116 (find_what_p_points_to): Look through default defs of
2117 parameter decls.
2119 2006-01-26 Jeff Law <law@redhat.com>
2121 PR ada/25900
2122 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
2123 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
2124 within the VR_RANGE, use the VR_RANGE as the result, not the
2125 VR_ANTI_RANGE.
2126 (adjust_range_with_scev): Reject ranges from SCEV which are out of
2127 bounds for the type.
2129 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
2131 * tree-ssa-alias.c (maybe_create_global_var): Change
2132 subvar walking to an assertion that we don't have subvar'd variables.
2134 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
2136 PR C/25861
2137 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
2138 Use a new variable, inner. PARM_DECLs are always non-weak.
2140 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
2142 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
2143 --disable-checking.
2145 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
2147 * config/mips/mips.md (*clear_upper32): New combiner pattern.
2149 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
2151 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
2152 (smax_insn, smin_insn, smax_0, smin_0): New.
2154 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
2156 PR target/25947
2157 * config/cris/cris.c (cris_order_for_addsi3): New function.
2158 * config/cris/cris-protos.h: Prototype it.
2159 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
2160 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
2161 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
2162 (split for "op.S1 [rx=rx+i],ry (swapped)")
2163 (split for "op(s|u).S1 [rx=rx+i],ry")
2164 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
2165 Apply cris_order_for_addsi3 when generating addsi3 insns.
2167 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2169 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
2170 (TREE_BLOCK): Add call to EXPR_CHECK.
2172 2006-01-25 Diego Novillo <dnovillo@redhat.com>
2174 PR 25886
2175 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
2176 * tree-pretty-print.c (dump_omp_clause): Extract from ...
2177 (dump_omp_clauses): ... here.
2178 (dump_generic_node): Handle OMP_CLAUSE.
2179 * tree.c (omp_clause_num_ops): New.
2180 (omp_clause_code_name): New.
2181 (tree_code_size): Handle OMP_CLAUSE.
2182 (tree_size): Likewise.
2183 (make_node): Document handling of OMP_CLAUSE.
2184 (tree_node_structure): Handle OMP_CLAUSE.
2185 (omp_clause_check_failed): New.
2186 (omp_clause_range_check_failed): New.
2187 (omp_clause_operand_check_failed): New.
2188 (build_omp_clause): New.
2189 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
2190 * tree.h (enum omp_clause_code): Declare.
2191 (OMP_CLAUSE_SUBCODE_CHECK): Define.
2192 (OMP_CLAUSE_RANGE_CHECK): Define.
2193 (OMP_CLAUSE_ELT_CHECK): Define.
2194 (omp_clause_check_failed): Declare.
2195 (omp_clause_operand_check_failed): Declare.
2196 (omp_clause_range_check_failed): Declare.
2197 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
2198 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
2199 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
2200 (OMP_CLAUSE_LASTPRIVATE): Likewise.
2201 (OMP_CLAUSE_IF_EXPR): Likewise.
2202 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
2203 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
2204 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
2205 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
2206 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
2207 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
2208 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
2209 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
2210 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
2211 (OMP_CLAUSE_CODE): Define.
2212 (OMP_CLAUSE_SET_CODE): Define.
2213 (OMP_CLAUSE_CODE): Define.
2214 (OMP_CLAUSE_OPERAND): Define.
2215 (struct tree_omp_clause): Declare.
2216 (union tree_node): Add field 'omp_clause'.
2217 * treestruct.def (TS_OMP_CLAUSE): Define.
2218 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
2219 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
2220 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
2221 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
2222 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
2223 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
2224 (OMP_CLAUSE): Define.
2225 * print-tree.c (print_node): Handle OMP_CLAUSE.
2226 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
2227 * c-typeck.c: Likewise.
2228 * gimplify.c: Likewise.
2229 * c-omp.c: Likewise.
2230 * tree-nested.c: Likewise.
2231 * tree-inline.c: Likewise.
2232 * c-parser.c: Likewise.
2233 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
2234 clauses.
2236 2006-01-25 Roger Sayle <roger@eyesopen.com>
2238 PR rtl-optimization/25703
2239 * combine.c (try_combine): Handle zero_extract and strict_low_part
2240 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
2242 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
2244 * global.c: Fix comment typos.
2246 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
2248 PR target/25758
2249 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
2250 Use output_addr_const instead of assemble_name.
2252 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
2254 * Makefile.in (sched-vis.o): Update dependencies.
2255 * haifa-sched.c (sched_finish): Clear current_sched_info.
2256 * cfg.c (dump_bb_info): New, split from dump_flow_info.
2257 (dump_flow_info): Call it.
2258 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
2259 a slim RTL dump.
2260 * basic-block.h (dump_bb_info): Declare.
2261 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
2262 option, and apply options only for dump files whose TDF_RTL,
2263 TDF_TREE, or TDF_IPA bits match.
2264 * rtl.h: Declare new functions exported from sched-vis.c.
2265 * sched-vis.c: Enable also if scheduling is not used.
2266 (print_value): Print the mode of registers if not inside scheduling.
2267 (print_insn): Make it work outside the scheduler. Beautify the output
2268 a bit.
2269 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
2271 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2273 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
2274 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
2275 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
2276 depending on the value of CONSTANT_POOL_ADDRESS_P.
2277 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
2278 SYMBOL_REF_DECL.
2279 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
2280 rather than SYMBOL_REF_DECL.
2281 (rtx_constant_pool): Remove const_rtx_sym_htab.
2282 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
2283 (init_varasm_status): Don't initialize const_rtx_sym_htab.
2284 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
2285 Remove handling of const_rtx_sym_htab.
2286 (find_pool_constant): Delete.
2287 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
2288 rather than find_pool_constant.
2289 (get_pool_constant_for_function): Delete.
2290 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
2291 find_pool_constant.
2292 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
2293 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
2294 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
2295 (SYMBOL_REF_CONSTANT): New macro.
2296 (get_pool_constant_for_function): Delete.
2297 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
2298 rather than SYMBOL_REF_DECL.
2299 (i386_pe_mark_dllimport): Likewise.
2300 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
2301 rather than SYMBOL_REF_DECL.
2302 * config/darwin.c (machopic_indirect_data_reference): Likewise.
2303 (machopic_indirect_call_target): Likewise.
2305 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
2307 * flow.c (delete_noop_moves): Add missing EOL to dump message.
2309 2006-01-25 Richard Sandiford <richard@codesourcery.com>
2311 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
2313 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
2315 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
2317 2006-01-24 David Daney <ddaney@avtrex.com>
2319 PR java/25816
2320 * configure.ac (enable_tls): New enable option.
2321 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
2322 * configure: Regenerate.
2323 * doc/install.texi (--enable-tls): Document new option.
2324 (--disable-tls): Ditto.
2326 2006-01-24 Richard Henderson <rth@redehat.com>
2328 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
2329 * alias.c (true_dependence): Respect it.
2330 (canon_true_dependence, write_dependence_p): Likewise.
2331 * builtins.c (get_builtin_sync_mem): Set it.
2333 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
2335 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
2336 efficient way.
2338 2006-01-24 DJ Delorie <dj@redhat.com>
2340 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2341 for storing constants in single-bit bitfields.
2343 2006-01-25 Ben Elliston <bje@au.ibm.com>
2345 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2347 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2349 PR tree-opt/25860
2350 * tree-ssa-pre.c (phi_translate): Return NULL
2351 for AGGREGATE_TYPE's.
2353 2006-01-24 Zack Weinberg <zackw@panix.com>
2355 * genautomata.c (process_state_for_insn_equiv_partition):
2356 Use xcalloc for insn_arcs_array.
2357 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2358 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2360 2006-01-24 Richard Henderson <rth@redhat.com>
2362 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2363 update all callers.
2365 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2367 PR rtl-optimization/25890
2368 PR rtl-optimization/25905
2369 * combine.c (expand_compound_operation, expand_field_assignment):
2370 Fail if the bitfield's final position is out of bounds.
2372 2006-01-24 Ian Lance Taylor <ian@airs.com>
2374 PR middle-end/25930
2375 * cgraphunit.c (cgraph_output_in_order): Don't clear
2376 cgraph_asm_nodes until after asm strings have been output.
2378 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2380 * fix-header.c (read_scan_file): Add new parameter imultilib when
2381 calling register_include_chains.
2383 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2385 * omp-low.c: Update documentation.
2387 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2388 Daniel Berlin <dberlin@dberlin.org>
2390 PR tree-opt/25315
2391 PR tree-opt/25857
2392 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2393 return from the function.
2395 2006-01-22 Zack Weinberg <zackw@panix.com>
2397 * rtl.def (match_code): Add second argument.
2398 * genpreds.c (write_extract_subexp): New function.
2399 (write_match_code): Add path argument. Use write_extract_subexp.
2400 (write_predicate_expr): Pass path to write_match_code.
2401 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2402 not perform a mode test.
2403 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2404 a subexpression does not constrain the top-level code set.
2405 * read-rtl.c (read_rtx_variadic): New function.
2406 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2407 * doc/md.texi: Document new notation.
2408 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2409 (cmpsi_operand): ... here, using new notation.
2411 2006-01-22 Zack Weinberg <zackw@panix.com>
2413 * varray.c: Remove GENERATOR_FILE #ifdefs.
2415 2006-01-22 Zack Weinberg <zackw@panix.com>
2417 * genautomata.c (output_reserved_units_table): Emit nothing if
2418 description->query_units_num is zero. Remove extra blank line.
2419 (output_cpu_unit_reservation_p): Short circuit
2420 if description->query_units_num is zero.
2422 2006-01-22 Zack Weinberg <zackw@panix.com>
2424 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2425 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2426 nor any of the random handful of variables that used to be necessary
2427 when this program was linked with rtlanal.o. Prune set of forward
2428 function declarations.
2429 (struct attr_desc): Remove static_p field.
2430 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2431 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2432 (attr_string): Do not read the character one past the length of
2433 the string.
2434 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2435 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2436 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2437 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2438 (make_automaton_attrs): New.
2439 (main): Do not call into genautomata. Call local gen_bypass
2440 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2441 Remove special case for insn_alts.
2442 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2443 varray.h (leftover from previous change). Prune set of forward
2444 function declarations. Remove state_alts fields from all
2445 structures. Remove state_alts_table from struct automaton.
2446 Make everything except main static. Do not maintain num_dfa_decls.
2447 Do not maintain state_alts fields of various structures.
2448 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2449 (add_arc): Remove state_alts argument. All callers updated.
2450 (output_reserved_units_table): Emit #ifdef here...
2451 (output_tables): ...not here. Don't generate state_alts tables.
2452 (expand_automata): Don't generate attributes.
2453 (write_automata): Don't generate state_alts functions.
2454 (main): New function.
2455 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2456 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2457 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2458 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2459 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2460 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2461 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2462 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2463 Delete.
2464 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2465 * genattrtab.h: Delete file.
2466 * Makefile.in (OBJS-common): Add insn-automata.o.
2467 (insn-automata.o): New rule.
2468 (simple_generated_c): Add insn-automata.c.
2469 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2470 (genprogmd): Add automata.
2471 (build/genattrtab): Needs no extra objects nor libraries.
2472 (build/genautomata): Needs build/vec.o and -lm.
2474 2006-01-22 Zack Weinberg <zackw@panix.com>
2476 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2477 (output_dfa_max_issue_rate, locked_states_num): Delete.
2478 (struct automaton): Add locked_states field.
2479 (output_dead_lock_vect): Save number of locked states in
2480 automaton->locked_states. If it is zero, don't print anything.
2481 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2482 (output_internal_dead_lock_func): Only test the dead_lock_vect
2483 for automata that have locked states.
2484 (output_statistics): Always print the number of locked states for
2485 each automaton. Calculate total number of locked states here.
2486 (write_automata): Don't call output_dfa_max_issue_rate.
2487 * genattrtab.c: Define length_unit_log as a const variable.
2488 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2489 max_insn_queue_index const.
2490 * final.c (length_unit_log): Declare const.
2491 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2493 2006-01-22 Zack Weinberg <zackw@panix.com>
2495 * genautomata.c: Include vec.h, not varray.h.
2496 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2497 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2498 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2499 VEC_* macros operating on appropriately typed vectors, or to
2500 malloced arrays when the size is known in advance. Const-ify
2501 many char* variables and function arguments. No functional changes.
2502 * Makefile.in (build/varray.o): Delete rule.
2503 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2504 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2506 2006-01-22 Zack Weinberg <zackw@panix.com>
2508 * gensupport.c: Define get_insn_name and record_insn_name here.
2509 (read_md_rtx): Call record_insn_name as appropriate.
2510 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2511 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2512 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2513 record_insn_name.
2514 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2515 (BUILD_VARRAY): Delete.
2516 (genprognormal): Rename genprogmd. Fold in all programs from
2517 genprognoprint; also attrtab.
2518 (build/genattrtab): Just mention genautomata.o and varray.o.
2519 Reorganize a bit, add comments to make the categories clearer.
2521 2006-01-22 Zack Weinberg <zackw@panix.com>
2523 * genconditions.c (condition_table, add_condition): Delete.
2524 (write_conditions): Don't emit n_insn_conditions nor
2525 insn_elision_unavailable. Issue the gcc version #ifdef here,
2526 inside the table, with no #else clause ...
2527 (write_header): ...not here.
2528 (write_writer): New function.
2529 (main): Don't initialize condition_table. Use add_c_test.
2530 Call write_writer.
2531 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2532 files on the command line.
2533 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2534 Return -1 if there is no entry in the table, don't abort.
2535 (add_c_test, traverse_c_tests): New functions.
2536 * gensupport.h (insn_elision_unavailable, insn_conditions)
2537 (n_insn_conditions): Delete declarations.
2538 (add_c_test, traverse_c_tests): Declare.
2539 * read-rtl.c: Include gensupport.h.
2540 (read_conditions): New function.
2541 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2542 (read_rtx_1): If we get EOF when we were looking for an initial
2543 open paren, return 0. Call read_conditions when appropriate.
2544 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2545 dummy-conditions.o. Eliminate references to insn-conditions.o,
2546 or change them to build/gencondmd.o, as appropriate. Remove
2547 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2548 from $(simple_generated_c). For all files remaining in those
2549 two lists, add insn-conditions.md to the generator command line.
2550 Give insn-constants.h/s-constants their own rules. Add rules
2551 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2552 (build/read-rtl.o): Depend on gensupport.h.
2553 (genprognormal): Include preds.
2554 (genprogearly): Rename genprognoprint; only difference is now that
2555 they don't link with $(BUILD_PRINT).
2556 * dummy-conditions.c: Delete.
2558 2006-01-22 Zack Weinberg <zackw@panix.com>
2560 * genextract.c: Don't include insn-config.h. Do include vec.h.
2561 Declare vectors of int, char, and locstr.
2562 (locstr): New typedef.
2563 (struct extraction): Make all array fields into bare pointers.
2564 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2565 (insn_code_number): Delete.
2566 (accum_extract): New struct.
2567 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2568 (gen_insn): Take insn_code_number as an argument. Use an
2569 accum_extract structure instead of loading data directly into
2570 a struct extraction, and having to know how big it might get.
2571 (walk_rtx): Operate entirely on an accum_extract structure.
2572 (print_path): Avoid unnecessary use of printf.
2573 (print_header): New function, split out of main. Distinguish
2574 more carefully between an unrecognizable insn and an insn that
2575 has the code number of a define_expand.
2576 (main): Pass insn_code_number to gen_insn. Call print_header
2577 only after parsing. Avoid unnecessary use of printf.
2578 * Makefile.in (build/vec.o): New rule.
2579 (build/genextract): Depend on build/vec.o.
2580 (build/genextract.o): Don't depend on insn-config.h.
2582 2006-01-22 Zack Weinberg <zackw@panix.com>
2584 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2585 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2586 practical. Eliminate per-generator-program link rules.
2588 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2590 PR middle-end/24437
2591 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2592 with a call expr to ...
2593 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2595 2006-01-23 Richard Guenther <rguenther@suse.de>
2597 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2598 before make_edge with conditional EDGE_TRUE_VALUE.
2600 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2601 Jan Hubicka <jh@suse.cz>
2602 Richard Guenther <rguenther@suse.de>
2604 PR rtl-optimization/25654
2605 * cfgexpand.c (aggregate_contains_union_type): New function.
2606 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2607 for structure variables that contain a union type.
2609 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2611 * gengtype.c (new_structure): Return the structure.
2612 (create_option): Add an extra "next" argument.
2613 (create_field): New function.
2614 (adjust_field_rtx_def): Use create_option and create_field.
2615 Remove a now-unnecessary call to find_structure.
2616 (adjust_field_tree_def): Likewise.
2617 (note_yacc_type): Remove an unnecessary call to find_structure.
2618 * gengtype.h (new_structure): Return the structure.
2619 (create_option): Add an extra argument.
2620 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2621 (option): Adjust calls to create_option.
2623 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2625 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2627 2006-01-22 Paul Brook <paul@codesourcery.com>
2628 Peter Barada <peter@the-baradas.com>
2630 * config/m68k/m68k.md: Add Coldfire FPU support.
2631 Define FP mode macro and associated attributes.
2632 Use it for float mode patterns.
2633 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2634 (LIBCALL_VALUE): Use m68k_libcall_value.
2635 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2636 (m68k_function_value): Ditto.
2637 (emit_move_sequence): Ditto.
2638 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2639 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2640 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2641 (MULTILIB_EXCEPTIONS): Ditto.
2642 * config/m68k/m68k.opt: Add mcfv4e.
2643 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2644 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2645 (m68k_output_function_prologue): Save ColdFire FPU registers.
2646 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2647 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2648 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2649 ColdFire FPU registers.
2650 (m68k_libcall_value, m68k_function_value): New functions.
2651 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2652 (LIBCALL_VALUE): Use m68k_libcall_value.
2653 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2654 (MASK_COLDFIRE): Add MASK_CFV4E.
2655 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2656 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2657 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2658 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2659 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2660 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2661 * doc/invoke.tex: Document -mcfv4e on m68k.
2663 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2665 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2666 URL.
2668 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2670 PR c++/16190
2671 * c-opts.c (c_common_handle_option): Don't include
2672 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2673 * doc/invoke.texi (C++ Dialect Options): Document that
2674 -Wnon-virtual-dtor is no longer included in -Wall.
2676 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2678 * gcov.c (print_version), gcov-dump.c (print_version),
2679 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2680 dates.
2682 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2684 * df-scan.c (problem_SCAN): Added NULL reset function.
2685 (df_scan_reset_blocks): Added code to call reset block function
2686 (df_bb_refs_delete) Fixed comment.
2687 (df_insn_refs_delete): Made tolerant of deleting non existent info
2688 for dataflow problems that need to be reset.
2689 * df-core.c (df_set_blocks): Ditto.
2690 * df.h (struct df_problem): Added reset_fun.
2691 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2692 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2693 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2694 functions to clear out all references to def-use or use-def chains.
2696 2006-01-21 Ben Elliston <bje@au.ibm.com>
2698 * varasm.c (assemble_real): Initialise data array.
2700 2006-01-20 Paul Brook <paul@codesourcery.com>
2702 Merge from csl-arm-branch.
2703 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2704 * config/arm/arm.md (movdi): Force operands[1] to a register
2705 if we have a non-register source.
2706 (*arm_movdi, *movdf_soft_insn): Require that one of the
2707 operands be a register.
2708 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2709 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2711 2006-01-20 DJ Delorie <dj@redhat.com>
2713 * varasm.c (initialize_constant_valid_p): Allow pointers
2714 initialized from integer constants of lesser precision.
2715 (output_constant): Allow non-int-sized pointer modes to be
2716 initialized from integer constants.
2718 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2720 PR libstdc++/25524
2721 * cppdefault.h (struct default_include): Add multilib flag.
2722 * cppdefault.c (cpp_include_defaults): Set it.
2723 * c.opt (-imultilib): New option.
2724 * c-opts.c (imultilib): New.
2725 (c_common_handle_option): Handle -imultilib.
2726 (c_common_post_options): Likewise.
2727 * c-incpath.c (add_standard_paths, register_include_chains):
2728 Likewise.
2729 * c-incpath.h (register_include_chains): Add extra parameter.
2730 * gcc.c (do_spec_1): Generate -imultilib option.
2731 (The Specs Language): Update %I description.
2732 (process_command): Update copyright notice.
2733 * doc/cppopts.texi (-imultilib): Document.
2734 * doc/invoke.texi (-imultilib): Include in option summary.
2735 (%I): Update specs documentation.
2737 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2739 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2741 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2743 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2744 label numbers.
2746 2006-01-20 Richard Guenther <rguenther@suse.de>
2747 Steven Bosscher <stevenb.gcc@gmail.com>
2749 PR rtl-optimization/24626
2750 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2751 EDGE_TRUE_VALUE if in RTL mode.
2753 Revert
2754 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2755 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2757 2006-01-20 Dirk Mueller <dmueller@suse.com>
2759 PR c++/5520
2760 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2761 instead of a special NOP marker.
2762 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2763 NOP marker handling.
2764 * c-common.h (empty_body_warning): Add forward declaration.
2765 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2766 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2768 2006-01-20 Paul Brook <paul@codesourcery.com>
2770 * Makefile.in (lang_checks): Keep going if mkdir fails.
2772 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2774 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2775 be able to clean out basic block when not necessary.
2776 (df_scan_free): Fixed to properly delete information if df is
2777 unused before calling df_finish.
2778 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2779 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2780 or comment typos.
2781 (df_bb_refs_delete): New function.
2782 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2783 * df-core.c (df_set_blocks): Added code to properly clean out
2784 unused blocks if they are not part of the blocks to consider.
2785 Added additional null check.
2786 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2787 be able to clean out basic block when not necessary
2788 * df.h (df_free_bb_function): Ditto.
2789 (df_bb_refs_delete): New function.
2790 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2791 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2792 basic block parameter to be able to clean out basic block when not
2793 necessary.
2794 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2795 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2796 Fixed to properly delete information if df is unused before
2797 calling df_finish.
2799 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2801 PR rtl-optimization/25799
2802 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2803 Corrected confluence operator to remove bits from op2 before oring
2804 with op1 rather than removing bits from op1.
2805 (df_ru_transfer_function): Corrected test on wrong bitmap which
2806 caused infinite loop. Both of these problems were introduced in
2807 the dataflow rewrite.
2809 2006-01-19 DJ Delorie <dj@redhat.com>
2811 * reload1.c (find_reload_regs): Note the details of reload
2812 failures in the dump file.
2813 (spill_failure): Likewise.
2815 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2817 * loop-iv.c: Include df.h and hashtab.h.
2818 (enum iv_grd_result): New enum.
2819 (DF_REF_IV, DF_REF_IV_SET): New macros.
2820 (struct biv_entry): New.
2821 (df, bivs): New global variables.
2822 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2823 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2824 Removed.
2825 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2826 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2827 analyzed_for_bivness_p, record_biv): New functions.
2828 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2829 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2830 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2831 UD chains.
2832 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2833 analysed.
2834 (iv_number_of_iterations): Use new interface to iv analysis.
2835 * loop-unroll.c: Do not include varray.h.
2836 (analyze_iv_to_split_insn): Use new interface to iv
2837 analysis.
2838 * loop-unswitch.c (may_unswitch_on): Ditto.
2839 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2840 allocated.
2841 (df_bb_modify): Realloc tables to the new index.
2842 (df_find_use): New function.
2843 * df.h (df_find_use): Declare.
2844 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2845 outmode.
2846 * cfgloop.h (struct rtx_iv): Remove analysed field.
2847 (iv_get_reaching_def): Removed.
2848 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2849 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2850 (loop-iv.o): Add df.h and hashtab.h dependency.
2851 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2853 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2855 PR target/25668
2856 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2857 Double TFmode.
2858 (__floatundisf, __floatundidf): Likewise.
2859 * libgcc2.h (IS_IBM_EXTENDED): Define.
2861 2006-01-19 DJ Delorie <dj@redhat.com>
2863 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2865 2006-01-19 Paul Brook <paul@codesourcery.com>
2867 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2868 as nothrow when unwinding tables are disabled.
2870 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2872 PR testsuite/25171
2873 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2874 of bit-field" when in system header.
2876 2006-01-19 DJ Delorie <dj@redhat.com>
2878 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2879 the 16 bit shift limit of the m16c.
2881 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2883 PR target/22099
2884 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2885 * config/i386/i386.c (output_set_got): Output the label if we have one
2886 for the TARGET_DEEP_BRANCH_PREDICTION case.
2888 2006-01-19 Jan Hubicka <jh@suse.cz>
2889 H.J. Lu <hongjiu.lu@intel.com>
2890 Evandro Menezes <evandro.menezes@amd.com>
2892 * invoke.texi (generic): Document
2893 (i686) Update.
2894 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2895 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2896 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2897 (x86_use_incdec, x86_pad_returns): New variables
2898 (TARGET_CPU_DEFAULT_generic): New constant
2899 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2900 (enum processor_type): Add generic32 and generic64.
2901 * i386.md (cpu attribute): Add generic32/generic64
2902 (movhi splitter): Behave sanely when both partial_reg_dependency and
2903 partial_reg_stall are set.
2904 (K8 splitters): Enable for generic as well.
2905 * predicates.md (incdec_operand): Use TARGET_INCDEC
2906 (aligned_operand): Avoid memory mismatch stalls.
2907 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2908 * ppro.md: Enable for generic32
2909 * i386.c (generic64_cost, generic32_cost): New.
2910 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2911 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2912 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2913 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2914 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2915 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2916 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2917 x86_accumulate_outgoing_args, x86_prologue_using_move,
2918 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2919 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2920 Enable for generic.
2921 (x86_use_incdec, x86_pad_returns): New.
2922 (override_options): Add generic32 and generic64, translate "generic"
2923 to generic32/generic64 and "i686" to "generic32", refuse
2924 "generic32"/"generic64" as arch target.
2925 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2926 (ix86_reorg): Honor PAD_RETURNS.
2928 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2930 * tree-pretty-print.c (dump_generic_node): Handle
2931 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2932 * cgraph.c (cgraph_expand_queue): Rename from
2933 cgraph_analyze_queue. Update all users.
2934 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2935 cgraph_expand_queue.
2936 (cgraph_expand_all_functions): Likewise.
2937 (cgraph_finalize_pending_functions): Remove. Update callers.
2939 * tree.h (OMP_DIRECTIVE_P): Define.
2940 (OMP_PARALLEL_FN): Define.
2941 (OMP_PARALLEL_DATA_ARG): Define.
2942 (OMP_SECTIONS_SECTIONS): Define.
2943 * tree-pass.h (pass_expand_omp): Declare.
2944 * omp-low.c (struct omp_region): Declare.
2945 (struct omp_context): Remove fields 'parallel_type',
2946 'parallel_start_ix' and 'parallel_start_additional_args'.
2947 Update all users.
2948 (struct omp_for_data): Rename from struct expand_omp_for_data.
2949 (omp_regions): New static variable.
2950 (root_omp_region): New static variable.
2951 (find_omp_clause): Make static.
2952 (is_in_combined_parallel_ctx): Remove.
2953 (is_combined_parallel): New.
2954 (extract_omp_for_data): Move earlier in the file.
2955 (workshare_safe_to_combine_p): New.
2956 (get_ws_args_for): New.
2957 (determine_parallel_type): Move earlier in the file.
2958 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2959 child function.
2960 (omp_copy_decl): Likewise.
2961 (create_omp_child_function): Likewise.
2962 (lookup_omp_region): New.
2963 (dump_omp_region): New.
2964 (debug_omp_region): New.
2965 (debug_all_omp_regions): New.
2966 (new_omp_region): New.
2967 (scan_omp_parallel): If parallel_nesting_level > 1, the
2968 directive is nested within another parallel directive.
2969 Set OMP_PARALLEL_FN.
2970 (scan_omp_for): Do not try to handle combined parallel+for
2971 cases.
2972 Remove FIXME comment.
2973 (scan_omp_nested): Remove.
2974 (scan_omp_1): Do not call scan_omp_nested when
2975 parallel_nesting_level is > 1.
2976 Do not change the DECL_CONTEXT of local variables found.
2977 (lookup_decl_in_outer_ctx): New.
2978 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2979 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2980 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2981 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2982 If CTX is nested, lookup VAR in the outer context when
2983 building copy assignment.
2984 (lower_send_clauses): Rename from expand_send_clauses.
2985 If CTX is nested, lookup VAR in the outer context when
2986 building copy assignments.
2987 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2988 If CTX is nested, lookup VAR in the outer context when
2989 building copy assignments.
2990 (expand_parallel_call): Rename from build_parallel_call.
2991 Handle combined parallel+workshare cases.
2992 Re-implement to emit code into the CFG.
2993 (list2chain): New.
2994 (expand_omp_parallel): Re-implement to emit code into the CFG.
2995 Call move_sese_region_to_fn to outline the sub-graph
2996 containing the parallel region.
2997 (expand_omp_for_1): Remove.
2998 (expand_omp_for_generic): Re-implement to emit code into the
2999 CFG.
3000 (expand_omp_for_static_nochunk): Likewise.
3001 (expand_omp_for_static_chunk): Likewise.
3002 (expand_omp_for): Likewise.
3003 (expand_omp_sections): Likewise.
3004 (remove_exit_barriers): New.
3005 (expand_omp_synch): New.
3006 (expand_omp): New.
3007 (build_omp_regions_1): New.
3008 (build_omp_regions): New.
3009 (execute_expand_omp): New.
3010 (gate_expand_omp): New.
3011 (pass_expand_omp): Define.
3012 (lower_omp_sections): Rename from expand_omp_sections.
3013 Set OMP_SECTIONS_SECTIONS.
3014 (lower_omp_single_simple): Rename from expand_omp_single_simple.
3015 (lower_omp_single_copy): Rename from expand_omp_single_copy.
3016 (lower_omp_single): Rename from expand_omp_simple.
3017 (lower_omp_master): Rename from expand_omp_master.
3018 (lower_omp_ordered): Rename from expand_omp_ordered.
3019 (lower_omp_critical): Rename from expand_omp_critical.
3020 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
3021 (lower_omp_for): Re-implement.
3022 (lower_omp_parallel): Re-implement.
3023 (lower_regimplify): Rename from expand_regimplify.
3024 (lower_omp_1): Rename from expand_omp_1.
3025 If there are syntax errors in the program, replace every
3026 OpenMP directive with NOP.
3027 Call lower_omp_* instead of expand_omp_*.
3028 (lower_omp): Rename from expand_omp.
3030 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
3031 * tree-gimple.h (enum omp_parallel_type): Remove.
3032 (gimple_boolify): Declare extern.
3033 (find_omp_clause, determine_parallel_type): Remove.
3035 * gimple-low.c (lower_omp_directive): New.
3036 (lower_stmt): Call it.
3037 (record_vars_into): Move from ...
3038 (record_vars): ... here.
3039 Call record_vars_into with current_function_decl.
3041 * gimplify.c (struct gimplify_ctx): Remove fields
3042 combined_pre_p and combined_ctxp. Update users.
3043 (get_formal_tmp_var): Add documentation.
3044 (gimple_boolify): Make extern.
3045 (gimplify_expr_in_ctx): Remove. Update callers.
3046 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
3047 will always be a BIND_EXPR.
3048 (gimplify_expr): Handle OMP_RETURN_EXPR.
3049 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
3050 (OMP_PARALLEL): Add 3 operands.
3051 (OMP_SECTIONS): Add 1 operand.
3052 (OMP_RETURN_EXPR): Define.
3054 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
3055 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
3056 * tree-iterator.c (alloc_stmt_list): Assert that we are not
3057 creating a circular free list.
3058 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
3060 * tree-flow.h (move_sese_region_to_fn): Declare.
3061 (record_vars_into): Declare.
3062 * tree-cfg.c (make_omp_sections_edges): New.
3063 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
3064 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
3065 OMP_SECTIONS and OMP_SECTION.
3066 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
3067 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
3068 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
3069 (gather_blocks_in_sese_region): New.
3070 (struct move_stmt_d): Declare.
3071 (move_stmt_r): New.
3072 (move_block_to_fn): New.
3073 (move_sese_region_to_fn): New.
3075 * passes.c (init_optimization_passes): Schedule
3076 pass_expand_omp after pass_init_datastructures.
3078 * tree-ssa-operands.c (get_expr_operands): Handle
3079 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
3080 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
3082 2006-01-19 Jeff Law <law@redhat.com>
3084 * tree-vrp.c (extract_range_from_assert): Refine the result range
3085 if the variable referenced by the ASSERT_EXPR has a range and
3086 either the tentative result range or the previous range is a
3087 VR_ANTI_RANGE.
3089 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3091 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
3093 2006-01-19 Jan Hubicka <jh@suse.cz>
3095 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
3097 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
3099 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
3100 (expand_compound_operation, expand_field_assignment): Fail if the
3101 bit lengths of an extract operation are out of range.
3102 (make_extraction): Compute wanted_inner_mode based on the position
3103 and length of the extraction. Make it extraction_mode for non-constant
3104 positions, and do not modify offset in that case. When generating a
3105 new MEM, use a mode that can hold the extraction while keeping correct
3106 alignment. Remove code that supported MEMs wrapped by USEs.
3107 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
3109 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
3111 * config/s390/s390.md ("Y", "y"): New mode attribute.
3112 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3113 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
3114 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
3115 "*addsi3_imm_cc", "*addsi3_carry1_cc",
3116 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
3117 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
3118 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
3119 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
3120 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
3121 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
3122 "addsi3", "subsi3"): Insn patterns removed.
3123 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
3124 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
3125 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
3126 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
3127 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
3128 "*sub<mode>3_cconly2"): New insn patterns.
3129 ("addsi3", "subsi3"): New expanders.
3131 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
3133 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
3134 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
3135 existing STMT_VINFO_VECTYPE if available.
3136 (vect_mark_relevant): Add special handling for stmts that are
3137 marked as STMT_VINFO_IN_PATTERN_P.
3138 (vect_analyze_loop): Call vect_pattern_recog.
3139 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
3140 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
3141 stmt_info.
3142 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
3143 (vect_recog_func_ptr): New function-pointer type.
3144 * tree-vect-patterns.c: New file.
3145 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
3146 (vect_recog_dot_prod_pattern, vect_pattern_recog):
3147 (vect_pattern_recog_1): New functions.
3148 (vect_pattern_recog_funcs): New array of function pointers.
3150 * tree-vectorizer.h (ternary_op): New enum value.
3151 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
3152 declaration. Revised documentation. Removed redundant dump prints.
3153 Removed redundant argument. Added support for reduction patterns.
3154 (vectorizable_reduction): Added support for reduction patterns.
3155 (vect_transform_stmt): Added support for patterns.
3157 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
3158 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
3159 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
3160 (expand_widen_pattern_expr): New function.
3161 (init_optabs): Initialize new optabs udot_prod_optab,
3162 sdot_prod_optab.
3163 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
3164 (sdot_prod_optab, udot_prod_optab): Define new optabs.
3165 (expand_widen_pattern_expr): New function declaration.
3166 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
3167 tree-codes.
3168 * tree-inline.c (estimate_num_insns_1): Added cases for new
3169 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3170 * tree-pretty-print.c (dump_generic_node): Likewise.
3171 (op_prio): Likewise.
3172 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
3173 * tree-ssa-operands.c (get_expr_operands): Added case for
3174 DOT_PROD_EXPR.
3175 * tree-vect-patterns.c (widened_name_p): New function.
3176 (vect_recog_dot_prod_pattern): Added function implementation.
3177 * tree-vect-transform.c (get_initial_def_for_reduction): Added
3178 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
3179 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
3180 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
3182 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
3183 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
3184 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
3185 (init_optabs): Initialize new optabs widen_ssum_optab,
3186 widen_usum_optab.
3187 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
3188 (widen_ssum_optab, widen_usum_optab): Define new optabs.
3189 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
3190 use instead of type of def.
3191 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
3192 function implementation.
3193 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
3194 widen_ssumv8hi): New.
3196 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
3197 patterns.
3199 2006-01-19 Richard Sandiford <richard@codesourcery.com>
3201 PR c/25805
3202 * c-decl.c (add_flexible_array_elts_to_size): New function.
3203 (finish_decl): Use it.
3205 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
3207 * diagnostic.h: Include options.h.
3208 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
3209 dependancies for diagnostic.h.
3210 * Makefile.in (DIAGNOSTIC_H): Add options.h.
3212 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
3214 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
3215 (ssa_ro_call_cache_valid): Ditto.
3216 * tree-ssa-alias.c (sort_tags_by_id): New function.
3217 (init_transitive_clobber_worklist): Ditto.
3218 (add_to_worklist): Ditto.
3219 (mark_aliases_call_clobbered): Ditto.
3220 (compute_tag_properties): Ditto.
3221 (set_initial_properties): Ditto.
3222 (compute_call_clobbered): Ditto.
3223 (compute_may_aliases): Call compute_call_clobbered and grouping.
3224 (compute_flow_sensitive_aliasing): Remove clobbering related code.
3225 (compute_flow_insensitive_aliasing): Grouping now happens in our
3226 caller.
3227 (setup_pointers_and_addressables): Remove clobbering related code.
3228 (add_may_alias): Ditto.
3229 (replace_may_alias): Ditto.
3230 (get_nmt_for): Ditto.
3231 (create_global_var):
3232 (is_escape_site): Return an escape_type enumeration.
3233 * tree-flow-inline.h (is_call_clobbered): Global var does not
3234 imply call clobbered.
3235 (mark_call_clobbered): Take a reason for marking this. Remove
3236 marking of globalness, and cache invalidation.
3237 (clear_call_clobbered): Remove cache invalidation code.
3238 * tree-dfa.c (dump_variable): If details is on, dump the reason
3239 for escaping.
3240 * tree-outof-ssa.c (create_temp): Copy escape mask from original
3241 variable.
3242 * tree-flow.h (struct ptr_info_def): Add escape mask member.
3243 (struct var_ann_d): Ditto.
3244 (enum escape_type): New.
3245 (mark_call_clobbered): Adjust prototype.
3246 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
3247 are never call clobbered.
3248 Record reasons for escaping.
3249 * tree-ssa-structalias.h (is_escape_site): Update prototype.
3250 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
3251 (ssa_ro_call_cache_valid): Ditto.
3252 (clobbered_v_may_defs): Ditto.
3253 (clobbered_vuses): Ditto.
3254 (ro_call_vuses): Ditto.
3255 (clobber_stats): New.
3256 (init_ssa_operands): Zero out clobber stats.
3257 (fini_ssa_operands): Print out clobber stats.
3258 (get_call_expr_operands): Pass callee fndecl to
3259 add_call_read_ops).
3260 (add_call_clobber_ops): Remove use of cache.
3261 Add use of PURE_CONST information.
3262 (add_call_read_ops): Remove use of cache.
3263 Add use of static not_read information.
3265 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
3267 Introduce TLS descriptors for i386 and x86_64.
3268 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
3269 (TARGET_ANY_GNU_TLS): New macro.
3270 (enum tls_dialect): Added TLS_DIALECT_GNU2.
3271 (struct machine_function): Add tls_descriptor_call_expanded_p.
3272 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
3273 (ix86_current_function_calls_tls_descriptor): Likewise.
3274 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
3275 (override_options): Introduce gnu2 tls dialect.
3276 (ix86_frame_pointer_required): Functions containing TLSCALLs are
3277 not leaves.
3278 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
3279 Likewise.
3280 (legitimize_tls_address): Adjust logic for GNU2 TLS.
3281 (ix86_init_machine_status): Initialize new field.
3282 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
3283 (ix86_tls_module_base): New.
3284 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
3285 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
3286 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
3287 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
3288 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
3289 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
3290 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
3291 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
3292 * config/i386/predicates.md (tls_modbase_operand): New.
3293 (tp_or_register_operand): New.
3295 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
3297 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
3298 (look_for_address_of): Ditto.
3299 (ipa_init): Walk the function decls.
3300 (static_execute): Don't set readonly on FUNCTION_DECL's.
3302 2006-01-18 Roger Sayle <roger@eyesopen.com>
3304 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
3305 for shifts where the source and destination registers are different.
3307 2006-01-18 Paul Brook <paul@codesourcery.com>
3309 Merge from csl-arm-branch.
3310 2005-03-14 Julian Brown <julian@codesourcery.com>
3311 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
3312 (aeabi_llsl): Likewise.
3313 (ashrdi3): Likewise.
3314 (aeabi_lasr): Likewise.
3315 (lshrdi3): Likewise.
3316 (aeabi_llsr): Likewise.
3317 2005-03-10 Julian Brown <julian@codesourcery.com>
3318 * config.gcc: Disable shared libgcc for SymbianOS.
3319 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
3321 2006-01-18 DJ Delorie <dj@redhat.com>
3323 * c-pragma.c (handle_pragma_diagnostic): New.
3324 (init_pragma): Register it.
3325 * doc/extend.texi: Document it.
3327 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
3328 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
3329 (diagnostic_context): Add classify_diagnostic[].
3330 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
3331 as errors if they're overridden to DK_WARNING.
3332 (diagnostic_initialize): Initialize classify_diagnostic[].
3333 (diagnostic_set_kind_override): New.
3334 (diagnostic_report_diagnostic): Check for kind changes.
3335 * opts.c (common_handle_option): Take lang_mask. Update callers.
3336 Handle OPT_Werror_.
3337 * common.opt (Werror=): New.
3338 * doc/invoke.texi: Document -Werror=*
3340 2006-01-18 Jeff Law <law@redhat.com>
3342 * tree-vrp.c (test_for_singularity): Correct test for new
3343 min limit. Use operand_equal_p rather than pointer equality
3344 for testing if new min/max values are equal.
3346 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3347 using range information until after propagation and folding.
3349 2006-01-18 Richard Henderson <rth@redhat.com>
3350 Aldy Hernandez <aldyh@redhat.com>
3351 Jakub Jelinek <jakub@redhat.com>
3352 Diego Novillo <dnovillo@redhat.com>
3354 * omp-low.c: New file.
3355 * c-omp.c: New file.
3357 2006-01-18 Richard Henderson <rth@redhat.com>
3358 Jakub Jelinek <jakub@redhat.com>
3359 Diego Novillo <dnovillo@redhat.com>
3361 * doc/invoke.texi: Document -fopenmp.
3362 * tree-dump.h (debug_function): Declare.
3363 * hooks.c (hook_bool_tree_bool_false): New function.
3364 (hook_tree_tree_null): Remove.
3365 (hook_tree_tree_tree_null): New.
3366 * hooks.h: Update to match.
3367 * tree-pretty-print.c (debug_tree_chain): New.
3368 (print_generic_expr): Handle TDF_CHAIN.
3369 (dump_generic_node): Handle BLOCK.
3370 Do not abort with incomplete SWITCH_EXPRs.
3371 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3372 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3373 print space after directive name.
3374 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3375 Handle OMP_MASTER and OMP_ORDERED.
3376 Handle printing of OMP_BODY just in one place, goto
3377 dump_omp_body in the rest of OMP_* nodes that have
3378 OMP_BODY.
3379 Don't handle clause nodes here. Update omp statements to
3380 use dump_omp_clauses.
3381 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3382 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3383 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3384 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3385 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3386 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3387 Adjust output for GOMP_PARALLEL.
3388 (dump_omp_clauses): New.
3389 (print_declaration): Dump DECL_VALUE_EXPR.
3390 (op_symbol_1): Split out of op_symbol.
3391 (dumping_stmts): Remove. Update all users.
3392 * cgraph.c (cgraph_analyze_queue): New.
3393 (cgraph_add_new_function): New.
3394 * cgraph.h (cgraph_analyze_queue): Declare.
3395 (cgraph_add_new_function): Declare.
3396 (cgraph_lower_function): Remove.
3397 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3398 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3399 and TYPE_P nodes in its default clause.
3400 (empty_body_p): New.
3401 (tree_range_check_failed): New.
3402 (build5_stat): New.
3403 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3404 OMP_CLAUSE_REDUCTION_MERGE,
3405 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3406 OMP_CLAUSE_PRIVATE_DEBUG,
3407 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3408 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3409 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3410 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3411 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3412 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3413 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3414 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3415 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3416 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3417 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3418 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3419 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3420 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3421 (TREE_RANGE_CHECK): New.
3422 (empty_body_p): Declare.
3423 (enum omp_clause_default_kind): New.
3424 (build_string_literal): Declare.
3425 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3426 (build5_stat, build5): Declare.
3427 * tree-pass.h (TDF_CHAIN): Define.
3428 * tree-pass.h (PROP_gimple_lomp): Define.
3429 (pass_lower_omp): Declare.
3430 * diagnostic.h (debug_tree_chain): Declare.
3431 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3432 mode_for_size.
3433 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3434 * builtins.c (build_string_literal): Make extern.
3435 * gcc.c (include_spec_function): New.
3436 (static_spec_functions): Add it.
3437 (main): Move load of libgomp.spec ...
3438 (LINK_COMMAND_SPEC): ... here.
3439 (link_gomp_spec): New.
3440 (static_specs): Include it.
3441 (LINK_COMMAND_SPEC): Add link_gomp.
3442 (GOMP_SELF_SPECS): New.
3443 (driver_self_specs): Include it.
3444 (switch_matches): Don't mark inline.
3445 (main): Load libgomp.spec.
3446 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3447 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3448 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3449 * tree-gimple.h (enum omp_parallel): Declare.
3450 (determine_parallel_type): Declare.
3451 (omp_firstprivatize_variable): Declare.
3452 (omp_reduction_init): Declare.
3453 (diagnose_omp_structured_block_errors): Declare.
3454 (struct walk_stmt_info): Add want_return_expr.
3455 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3456 (find_omp_clause): Declare.
3457 (insert_field_into_struct): Declare.
3458 (struct walk_stmt_info): Move from tree-nested.c
3459 (walk_stmts): Declare.
3460 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3461 to 200505.
3462 * cgraphunit.c (cgraph_lower_function): Make static.
3463 (cgraph_finalize_pending_functions): New.
3464 (cgraph_finalize_function): Call it.
3465 (cgraph_finalize_compilation_unit): Likewise.
3466 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3467 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3468 (BT_FN_UINT_UINT): New.
3469 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3470 DEF_FUNCTION_TYPE_VAR_4): Document.
3471 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3472 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3473 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3474 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3475 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3476 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3477 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3478 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3479 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3480 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3481 into separate files.
3482 (DEF_GOMP_BUILTIN): New.
3483 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3484 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3485 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3486 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3487 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3488 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3489 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3490 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3491 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3492 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3493 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3494 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3495 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3496 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3497 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3498 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3499 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3500 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3501 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3502 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3503 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3504 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3505 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3506 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3507 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3508 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3509 * sync-builtins.def: New file, moved from builtins.def.
3510 * omp-builtins.def: New file, moved from builtins.def.
3511 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3512 * gimple-low.c (lower_function_body): Clear data.
3513 (lower_stmt): Do not handle COMPOUND_EXPR.
3514 Remove call to print_node_brief.
3515 * c-tree.h (c_finish_omp_clauses): New prototype.
3516 (C_DECL_THREADPRIVATE_P): Define.
3517 (lookup_name_no_remap, c_omp_remap_private): Remove
3518 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3519 (check_for_loop_decls): Update decl.
3520 (lookup_name_no_remap, c_omp_remap_private): Declare.
3521 (build_indirect_ref, build_modify_expr, pushdecl,
3522 pushdecl_top_level): Move to c-common.h.
3523 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3524 before the switch, but just in the 2 places that need it.
3525 * c-decl.c (diagnose_mismatched_decls): Do not check for
3526 mismatched thread-local attributes when OLDDECL is marked
3527 threadprivate and NEWDECL has no thread-local attributes.
3528 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3529 (c_gimple_diagnostics_recursively): Rename from
3530 c_warn_unused_result_recursively. Invoke
3531 diagnose_omp_structured_block_errors.
3532 (check_for_loop_decls): Return a singular decl found.
3533 * langhooks.c (lhd_omp_predetermined_sharing): Return
3534 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3535 (lhd_omp_firstprivatize_type_sizes): New.
3536 (lhd_omp_assignment): New.
3537 (lhd_omp_predetermined_sharing): New.
3538 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3539 (struct lang_hooks_for_types): Add
3540 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3541 omp_predetermined_sharing, omp_disregard_value_expr,
3542 omp_private_debug_clause, omp_clause_default_ctor,
3543 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3544 (c_finish_omp_clauses): New.
3545 (c_finish_bc_stmt): Diagnose break within omp for.
3546 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3547 (build_unary_op): Return error_mark after reporting
3548 a readonly_error.
3549 (build_modify_expr): Likewise.
3550 * gimplify.c: Include optabs.h and pointer-set.h.
3551 (enum gimplify_omp_var_data): Declare.
3552 (struct gimplify_omp_ctx): Declare.
3553 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3554 and combined_ctxp.
3555 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3556 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3557 (splay_tree_compare_decl_uid): New.
3558 (new_omp_context): New.
3559 (delete_omp_context): New.
3560 (gimple_add_tmp_var): Call omp_add_variable.
3561 (gimplify_bind_expr): Likewise.
3562 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3563 true, disregard DECL_VALUE_EXPR on the decl if any.
3564 (gimplify_expr_in_ctx): New.
3565 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3566 omp_add_variable, omp_notice_variable, omp_is_private
3567 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3568 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3569 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3570 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3571 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3572 gimplify_omp_atomic): New.
3573 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3574 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3575 OMP_CRITICAL and OMP_ATOMIC.
3576 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3577 * c-pragma.h (enum pragma_kind): Add
3578 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3579 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3580 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3581 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3582 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3583 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3584 PRAGMA_OMP_THREADPRIVATE.
3585 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3586 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3587 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3588 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3589 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3590 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3591 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3592 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3593 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3594 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3595 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3596 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3597 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3598 OpenMP directives.
3599 (struct nesting_info): Add field_map,
3600 suppress_expansion, debug_var_chain.
3601 (create_nesting_tree): Initialize them.
3602 (lookup_field_for_decl): Use field_map.
3603 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3604 (convert_local_omp_clauses): New.
3605 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3606 (walk_body): Split out of walk_function.
3607 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3608 (convert_nonlocal_reference): Handle omp statements.
3609 (convert_local_reference): Likewise.
3610 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3611 (unnest_nesting_tree): New.
3612 (lower_nested_functions): Call it.
3613 (insert_field_into_struct): Make extern.
3614 (struct walk_stmt_info): Move to tree-gimple.h.
3615 (walk_stmts): Make extern.
3616 * omp-builtins.def: New file.
3617 * tree-iterator.c (expr_only): Clarify comment.
3618 * c-common.h (pushdecl_top_level, pushdecl,
3619 build_modify_expr, build_indirect_ref,
3620 c_finish_omp_master, c_finish_omp_critical,
3621 c_finish_omp_ordered, c_finish_omp_barrier,
3622 c_finish_omp_atomic, c_finish_omp_flush,
3623 c_finish_omp_for, c_split_parallel_clauses,
3624 omp_clause_default_kind, c_omp_sharing_predetermined,
3625 c_omp_remap_decl): Declare.
3626 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3627 (OBJS-common): Add omp-low.o.
3628 (c-omp.o, omp-low.o): Add.
3629 (gimplify.o): Add dependency on $(OPTABS_H).
3630 (GTFILES): Add omp-low.c.
3631 (gt-stringpool.h): Add.
3632 * tree-cfg.c (set_bb_for_stmt): Do not update the
3633 block-to-labels map if we are currently expanding to RTL.
3634 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3635 checks.
3636 Handle IDENTIFIER_NODE.
3637 (tree_verify_flow_info): Do not ICE when emitting error
3638 messages about invalid labels.
3639 (dump_function_to_file): Reset CFUN before emitting the body
3640 of the function.
3641 (debug_function): New.
3642 * passes.c (init_optimization_passes): Schedule
3643 pass_lower_omp.
3644 * langhooks-def.h (lhd_omp_predetermined_sharing,
3645 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3646 Declare.
3647 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3648 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3649 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3650 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3651 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3652 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3653 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3654 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3655 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3656 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3657 (LANG_HOOK_DECLS): Use them.
3659 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3660 Richard Henderson <rth@redhat.com>
3661 Jakub Jelinek <jakub@redhat.com>
3662 Diego Novillo <dnovillo@redhat.com>
3664 * c-parser.c (pragma_omp_clause): Define.
3665 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3666 (c_parser_compound_statement): Likewise.
3667 (c_parser_statement): Likewise.
3668 (c_parser_pragma): Handle omp pragmas.
3669 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3670 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3671 (c_parser_omp_clause_name, check_no_duplicate_clause,
3672 c_parser_omp_variable_list,
3673 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3674 c_parser_omp_clause_copyprivate,
3675 c_parser_omp_clause_default,
3676 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3677 c_parser_omp_clause_lastprivate,
3678 c_parser_omp_clause_nowait,
3679 c_parser_omp_clause_num_threads,
3680 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3681 c_parser_omp_clause_reduction,
3682 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3683 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3684 c_parser_omp_atomic, c_parser_omp_barrier,
3685 c_parser_omp_critical, c_parser_omp_flush,
3686 c_parser_omp_for_loop, c_parser_omp_for,
3687 c_parser_omp_master, c_parser_omp_ordered,
3688 c_parser_omp_sections_scope, c_parser_omp_sections,
3689 c_parser_omp_parallel, c_parser_omp_single,
3690 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3691 * c-pragma.c (init_pragma): Do omp pragma registration here.
3692 * c.opt (fopenmp): New flag.
3694 2006-01-18 Eric Christopher <echristo@apple.com>
3696 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3697 * config/darwin.h (GOMP_SELF_SPECS): Define.
3699 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3701 * rtl.h: Remove the prototype for reg_alloc.
3703 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3705 PR target/25731
3706 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3707 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3708 sjlj and dwarf2 exception handling.
3709 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3710 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3711 * pa/pa.c (function_value): Treat complex and vector types as
3712 aggregates.
3713 (function_arg): Likewise. Only pass scalar floats in the floating
3714 point argument registers.
3715 * pa/t-slibgcc-dwarf-ver: New file.
3716 * pa/t-slibgcc-sjlj-ver: New file.
3717 * pa/t-slibgcc-elf-ver: Delete file.
3719 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3721 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3722 unlikely_test_section_p test.
3724 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3726 * mode-switching.c (optimize_mode_switching): Make it static.
3727 * basic-block.h: Remove the prototype for
3728 optimize_mode_switching.
3730 * modulo-sched.c (sms_schedule): Make it static.
3731 * rtl.h: Remove the prototype for sms_schedule.
3733 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3734 * rtl.h: Remove the prototype for gcse_after_reload_main.
3736 * reg-stack.c (reg_to_stack): Make it static.
3737 * rtl.h: Remove the prototype for reg_to_stack.
3739 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3740 Make them static.
3741 * rtl.h: Remove the prototypes for regrename_optimize and
3742 copyprop_hardreg_forward.
3744 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3746 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3747 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3748 Test against the appropriate null constant for the mode.
3749 If 'fixup_overlap' is true, swap the operands if they overlap.
3750 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3751 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3752 alpha_split_tmode_pair and adjust for above change.
3753 * config/alpha/alpha.md (movtf_internal): Adjust call to
3754 alpha_split_tfmode_pair and rely on it to swap the operands.
3755 (movti_internal): New insn and post-reload splitter.
3756 (movti): New expander.
3758 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3760 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3761 operands.
3763 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3765 * rtlanal.c (global_reg_mentioned_p_1,
3766 global_reg_mentioned_p): Remove.
3767 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3769 * flow.c (initialize_uninitialized_subregs): Make it static.
3770 * rtl.h: Remove the prototype for
3771 initialize_uninitialized_subregs.
3773 * function.c (instantiate_virtual_regs): Make it static.
3774 * function.h: Remove the prototype for
3775 instantiate_virtual_regs.
3777 * regmove.c (regmove_optimize, combine_stack_adjustments):
3778 Make them static.
3779 * rtl.h: Remove the prototypes for regmove_optimize and
3780 combine_stack_adjustments.
3782 2006-01-17 Roger Sayle <roger@eyesopen.com>
3784 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3785 (size_cost): Encode costs in bytes so that a reg-reg addition is
3786 equivalent to COSTS_N_INSNS(1).
3787 (override_options): Use the size_cost.branch_cost as the default
3788 ix86_branch_cost when optimizing for size.
3790 2006-01-18 Ben Elliston <bje@au.ibm.com>
3792 * Makefile.in (D32PBIT_FUNCS): New.
3793 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3794 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3795 D64PBIT_FUNCS and D128PBIT_FUNCS.
3796 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3797 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3798 D128PBIT are set.
3799 (decnumber_dep): Define.
3800 * doc/libgcc.texi (Decimal float library routines): New node.
3801 * config/dfp-bit.h, config/dfp-bit.c: New files.
3803 2006-01-18 Ben Elliston <bje@au.ibm.com>
3805 * expr.c (emit_move_change_mode): Always adjust addresses, not
3806 just during reload. Copy replacements only during reload.
3807 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3808 emit_move_via_integer.
3810 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3812 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3813 instead of $(srcdir) and ${srcdir}.
3815 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3817 PR target/592
3818 PR middle-end/11135
3819 * arm.h (struct machine_function): Add pic_reg.
3820 * arm.c (arm_pic_register): Make unsigned.
3821 (arm_override_options): Only set arm_pic_register if
3822 TARGET_SINGLE_PIC_BASE.
3823 (use_return_insn): Only test for a pic register if it is fixed.
3824 (arm_compute_save_reg0_reg12_mask): Likewise.
3825 (thumb_compute_save_reg_mask): Likewise.
3826 (legitimate_pic_operand): Factor out some known invariants.
3827 (legitimize_pic_address): If we don't have a fixed pic register,
3828 then set up a pseudo in the function entry sequence. Handle the
3829 pic base being in a pseudo.
3830 (arm_load_pic_register): Handle the pic register being in a pseudo.
3831 (arm_expand_prologue): Only set up the pic register if it is fixed.
3832 (thumb_expand_prologue): Likewise.
3833 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3834 (pic_load_addr_based_insn): Likewise.
3835 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3836 fixed.
3838 2006-01-18 Ben Elliston <bje@au.ibm.com>
3840 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3841 decimal float modes for all floating point registers.
3843 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3844 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3846 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3848 PR c/25682
3849 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3850 even when the pointer is not NULL.
3852 2006-01-16 Ian Lance Taylor <ian@airs.com>
3854 * common.opt (ftoplevel-reorder): New option.
3855 * cgraph.c (cgraph_asm_nodes): New global variable.
3856 (cgraph_asm_last_node): New static variable.
3857 (cgraph_order): New global variable.
3858 (cgraph_create_node): Set new order field.
3859 (cgraph_varpool_node): Likewise.
3860 (decide_is_variable_needed): Return true if not
3861 flag_toplevel_reorder.
3862 (cgraph_add_asm_node): New function.
3863 * cgraph.h (struct cgraph_node): Add order field.
3864 (struct cgraph_varpool_node): Add order field.
3865 (struct cgraph_asm_node): Define.
3866 (cgraph_asm_nodes, cgraph_order): Declare.
3867 (cgraph_add_asm_node): Declare.
3868 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3869 function.
3870 (cgraph_varpool_assemble_pending_decls): Call it.
3871 (cgraph_output_pending_asms): New static function.
3872 (cgraph_finalize_compilation_unit): Call it.
3873 (struct cgraph_order_sort): Define.
3874 (cgraph_output_in_order): New static function.
3875 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3876 !flag_toplevel_reorder case.
3877 * c-parser.c: Include "cgraph.h".
3878 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3879 assemble_asm.
3880 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3881 than -fno-unit-at-a-time.
3882 * doc/invoke.texi (Option Summary): Mention
3883 -fno-toplevel-reorder.
3884 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3885 -funit-at-a-time documentation.
3887 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3888 Kazu Hirata <kazu@codesourcery.com>
3890 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3892 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3894 * Makefile.in (FUNCTION_H): New. Use it instead of
3895 function.h throughout the file.
3896 * function.h: Include tree.h.
3898 2006-01-17 Ben Elliston <bje@au.ibm.com>
3900 * recog.c: Separate some functions with whitespace.
3902 2006-01-16 Richard Henderson <rth@redhat.com>
3904 Merge from gomp branch:
3905 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3906 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3907 and rename from struct inline_data. Rename callee* to dst*;
3908 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3909 transform_new_cfg, transform_return_to_modify, and
3910 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3911 update_clones_p.
3912 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3913 (copy_decl_for_dup): Remove.
3914 * tree-inline.c (struct inline_data): Move to header.
3915 (insert_decl_map): Export.
3916 (remap_decl): Update for member name changes. Use copy_decl hook.
3917 Allow for replacement to be a non-decl. Remove dead code.
3918 (remap_type_1): Check for existing mapping.
3919 (remap_type): Export.
3920 (remap_decls): Update for member name changes.
3921 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3922 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3923 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3924 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3925 (tree_function_versioning, build_duplicate_type): Likewise.
3926 (copy_body_r): Likewise. Export.
3927 (copy_decl_for_dup): Split into ...
3928 (copy_decl_for_dup_finish, copy_decl_to_var,
3929 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3930 (replace_ref_tree, inlining_p): Remove.
3932 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3934 * ifcvt.c (if_convert): Make it static.
3935 * rtl.h: Remove the prototype for if_convert.
3937 * local-alloc.c (local_alloc): Make it static.
3938 * rtl.h: Remove the prototype for local_alloc.
3940 * loop.c (loop_optimize): Make it static.
3941 * cfgloop.h: Remove the prototype for loop_optimize.
3942 * rtl.h: Likewise.
3944 2006-01-16 DJ Delorie <dj@redhat.com>
3946 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3947 mems.
3949 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3951 * pa.md: Disparage copies between general and floating-point registers
3952 in 32-bit move patterns.
3954 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3956 PR testsuite/25741
3957 * Makefile.in (check-%): Depend on site.exp instead of
3958 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3959 directories.
3961 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3963 * global.c (global_alloc): Make it static.
3964 * rtl.h: Remove the prototype for global_alloc.
3966 2006-01-16 Richard Guenther <rguenther@suse.de>
3968 * tree-ssa-alias.c (struct used_part): Add write_only field.
3969 (get_or_create_used_part_for): Initialize it to true.
3970 (create_overlap_variables_for): Don't create structure variables
3971 for structures that only are written to.
3972 (find_used_portions): Handle MODIFY_EXPR to track whether a
3973 structure is only written to.
3975 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3977 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3978 static.
3979 * basic-block.h: Remove the prototype for
3980 partition_hot_cold_basic_blocks.
3982 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
3984 * cppspec.c (lang_specific_spec_functions): Remove.
3985 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3986 * gcc.h (lang_specific_spec_functions): Remove.
3987 * gccspec.c (lang_specific_spec_functions): Remove.
3989 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3991 * combine.c (record_value_for_reg): Invalidate registers
3992 if INSN is null.
3993 (record_dead_and_set_regs_1): Likewise, by passing them to
3994 record_value_for_reg.
3995 (record_dead_and_set_regs): Invalidate stores made by a
3996 call. We do not combine across a call, but we still
3997 relied on equivalences.
3999 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4001 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4002 vrp_int_const_binop returning non-constant nodes.
4004 2006-01-16 Paul Brook <paul@codesourcery.com>
4006 * config/m68k/m68k.c (output_move_const_into_data_reg):
4007 Output correct mnemonic for mvz and mvs.
4009 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
4011 * rtl-factoring.c: Add sequence abstraction algorithm.
4012 * cfgcleanup.c (outgoing_edges_match): Extra checks.
4013 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
4014 ABNORMAL edges.
4015 (block_has_preserve_label): New function.
4016 * common.opt: Register new pass.
4017 * Makefile.in: Ditto.
4018 * passes.c: Ditto.
4019 * timevar.def: Ditto.
4020 * tree-pass.h: Ditto.
4021 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
4022 * rtl.h (make_jump_insn_raw): Add forward decl.
4023 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
4025 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4026 Roger Sayle <roger@eyesopen.com>
4028 * fold-const.c (fold_minmax): New static function.
4029 (fold_binary) <MIN_EXPR>: Call it.
4030 <MAX_EXPR>: Likewise.
4031 * stor-layout.c (place_field): Use DECL_SIZE consistently
4032 in the computation of the new record size.
4034 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4036 * cse.c (cse_condition_code_reg): Make it static.
4037 * rtl.h: Remove the prototype for cse_condition_code_reg.
4039 * combine.c (combine_instructions): Make it static.
4040 * rtl.h: Remove the prototype for combine_instructions.
4042 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4044 PR target/25168
4045 * tree.c (get_file_function_name_long): Concatenate the first global
4046 object name with a string derived from the input filename of the object
4047 for type "F".
4049 2006-01-16 Ben Elliston <bje@au.ibm.com>
4051 * config/i386/winnt-stubs.c: Update FSF address.
4052 * config/xtensa/ieee754-df.S: Ditto.
4053 * config/xtensa/ieee754-sf.S: Ditto.
4055 2006-01-14 Ian Lance Taylor <ian@airs.com>
4057 * ifcvt.c (noce_init_if_info): New static function, broken out of
4058 noce_process_if_block.
4059 (noce_process_if_block): Call noce_init_if_info.
4060 (check_cond_move_block): New static function.
4061 (cond_move_process_if_block): New static function.
4062 (process_if_block): Call cond_move_process_if_block.
4064 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
4066 * cselib.c (hash_table): Rename to cselib_hash_table.
4067 (cselib_clear_table, discard_useless_values,
4068 remove_useless_values, cselib_lookup_mem, cselib_lookup,
4069 cselib_init, cselib_finish): Adjust uses of hash_table.
4071 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
4073 PR tree-optimization/25485
4074 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
4075 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
4076 is known to be false and true, respectively.
4078 2006-01-14 Richard Guenther <rguenther@suse.de>
4080 PR tree-optimization/22548
4081 PR tree-optimization/22555
4082 PR tree-optimization/22501
4083 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
4084 * params.def (salias-max-array-elements): New parameter.
4085 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
4086 * doc/invoke.texi (salias-max-array-elements): Document.
4087 * tree-flow-inline.h (var_can_have_subvars): We also handle
4088 arrays now.
4089 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
4090 COMPONENT_REF.
4091 * tree-ssa-structalias.c (params.h): Include.
4092 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
4093 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
4094 (get_constraint_for): For ADDR_EXPR operating on something
4095 containing an ARRAY_REF, add all subvars to the solution.
4096 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
4097 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
4098 for creating MUST_DEFs.
4099 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
4101 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
4103 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
4104 functions.
4105 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4106 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
4107 number_of_iterations_le): New functions.
4108 (number_of_iterations_special): Removed.
4109 (number_of_iterations_exit): Do not use number_of_iterations_special.
4110 * tree.c (unsigned_type_for): Always return integer type.
4112 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
4113 Richard Guenther <rguenther@suse.de>
4115 PR rtl-optimization/24257
4116 * gcse.c (find_moveable_store): Only consider a store movable
4117 when the SET_SRC of the insn can be assigned to a register.
4119 2006-01-14 Ian Lance Taylor <ian@airs.com>
4121 * tree.c (tree_not_class_check_failed): New function.
4122 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
4123 (tree_not_class_check_failed): Declare.
4125 2006-01-13 Ian Lance Taylor <ian@airs.com>
4127 * reload1.c (do_output_reload): Add assertion rejecting a
4128 CALL_INSN.
4130 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
4132 * combine.c (struct reg_stat): Add new fields truncation_label and
4133 truncated_to_mode.
4134 (record_value_for_reg): Reset truncated_to_mode.
4135 (record_truncated_value): New function.
4136 (check_promoted_subreg): Call it. Rename to check_conversions.
4137 (combine_instructions): Rename check_promoted_subreg to
4138 check_conversions.
4139 (reg_truncated_to_mode): New function.
4140 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
4141 (gen_lowpart_or_truncate): New function.
4142 (force_to_mode): Use it instead of gen_lowpart.
4144 2006-01-13 Diego Novillo <dnovillo@redhat.com>
4146 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
4147 VAR is a tag, not its type tag.
4149 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
4151 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
4152 alternatives to match style of other entries.
4153 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
4155 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
4157 PR tree-optimization/25771
4158 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
4159 SSA_NAMES.
4161 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
4163 PR tree-opt/24365
4164 * tree-inline.c (declare_return_variable): If the return variable
4165 was marked as a non gimple complex, set the return slot variable
4166 to be a non gimple comple variable.
4168 2006-01-13 Richard Guenther <rguenther@suse.de>
4170 * builtins.c (expand_builtin_sincos): New function.
4171 (expand_builtin_mathfn_3): Remove dead code, sin and cos
4172 do not set errno.
4173 (expand_builtin): Expand sincos using expand_builtin_sincos.
4175 2006-01-12 DJ Delorie <dj@redhat.com>
4177 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
4178 shift counts, separate SI shifts for m32c vs m16c, pass shift type
4179 so that constant shifts can be split.
4180 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
4181 (m32c_valid_pointer_mode): Make static.
4182 (shift_gen_func_for): New.
4183 (m32c_prepare_shift): Use it. Split large const shifts into
4184 multiple shifts.
4185 * config/m32c/predicates.md (shiftcount_operand): Allow more
4186 general operands.
4187 (longshiftcount_operand): New.
4188 * doc/md.texi (Machine Constraints): Document In6.
4190 2006-01-13 Ben Elliston <bje@au.ibm.com>
4192 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
4193 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
4194 documentation.
4196 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
4198 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
4199 to try to avoid clobbering pieces of structures when we know
4200 something about the whole structure.
4201 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
4203 2006-01-13 Ben Elliston <bje@au.ibm.com>
4205 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
4206 return in memory, as this is no limitation is no longer present.
4208 2006-01-12 DJ Delorie <dj@redhat.com>
4210 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
4211 mova with fb, and for fb+0 -> An.
4213 * config/m32c/mov.md (peephole2): Fix enabling logic.
4215 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4216 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
4217 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
4218 FINI_ARRAY_SECTION_ASM_OP): Define.
4220 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
4221 variable.
4222 (m32c_legitimize_reload_address): New logic to reload FB to An.
4223 (m32c_output_reg_push): Add newline.
4224 (m32c_output_reg_pop): Likewise.
4226 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
4228 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
4230 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
4232 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4234 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4236 * config/sh/predicates.md (sh_rep_vec): Add parallel to
4237 match_code.
4239 2006-01-11 Ben Elliston <bje@au.ibm.com>
4241 * rtlanal.c (find_reg_note): Assert insn is not null.
4243 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4245 * df-scan.c (df_hard_reg_init): Move declaration of i outside
4246 ifdef.
4248 2006-01-11 Jeff Law <law@redhat.com>
4250 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
4251 hold edge pairs.
4252 (mark_threaded_blocks, register_jump_thread): New functions.
4253 (thread_through_all_blocks): Remove unwanted argument. No
4254 longer rely on e->aux to communicate thread target info.
4255 Call mark_threaded_blocks. Release the threaded_blocks
4256 bitmap and threaded_edges vector when complete.
4257 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
4258 (threaded_blocks): Remove.
4259 (tree_ssa_dominator_optimize): Remove initialization and
4260 finalization of threaded_blocks. Simplify call to
4261 thread_through_all_blocks.
4262 (thread_across_edge): Call register_jump_thread rather than
4263 storing thread information into e->aux.
4264 (free_all_edge_infos): Simplify now that e->aux is no longer
4265 used to communicate with thread_through_all_blocks.
4266 * tree-flow.h (thread_through_all_blocks): Update prototype.
4267 (register_jump_thread): Prototype.
4269 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4271 * df-core.c (df_compact_blocks, df_bb_replace): Use
4272 SET_BASIC_BLOCK instead of BASIC_BLOCK.
4274 2006-01-11 Richard Guenther <rguenther@suse.de>
4276 PR tree-optimization/25734
4277 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
4278 stop propagation after successful propagation to the LHS.
4280 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
4282 * basic-block.h (control_flow_graph): Change the type of
4283 x_basic_block_info to VEC(basic_block,gc) *.
4284 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
4285 basic_block_info.
4286 (SET_BASIC_BLOCK): New.
4287 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
4288 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
4289 * cfgbuild.c (find_basic_blocks): Likewise.
4290 * cfglayout.c (fixup_reorder_chain): Likewise.
4291 * cfgrtl.c (create_basic_block_structure,
4292 rtl_create_basic_block): Likewise.
4293 * ifcvt.c (find_if_case_1): Likewise.
4294 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
4295 Likewise.
4297 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
4299 * Makefile.in: Removed rotted odf.c entry.
4301 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
4303 PR target/25706
4304 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
4305 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
4306 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
4307 output pattern modifier, not %e.
4308 * config/cris/cris.c (cris_op_str): Update comment about pattern
4309 modifier.
4310 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
4311 before falling through into...
4312 <case 'E'>: Redefined from old 'e' case.
4314 2006-01-11 Jan Hubicka <jh@suse.cz>
4316 PR target/25042
4317 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
4319 2006-01-11 Jan Hubicka <jh@suse.cz>
4321 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
4322 * i386.c (x86_decompose_lea): Kill.
4323 (ix86_rtx_costs): Kill.
4325 2006-01-11 Jan Hubicka <jh@suse.cz>
4327 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
4328 * cgraph.h (cgraph_node): Add inline_decl.
4329 (cgraph_insert_node_to_hashtable): Declare.
4330 (save_inline_function_body): Declare.
4331 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
4332 clones.
4333 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
4334 (cgraph_function_versioning): Update call of tree_function_versioning.
4335 (save_inline_function_body): New function.
4336 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
4337 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
4338 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
4339 (cgraph_default_inline_p): Likewise.
4340 (cgraph_decide_inlining_incrementally): Likewise.
4341 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4342 (copy_bb): Kill saving; do updating of clones.
4343 (copy_cfg_body): Kill saving.
4344 (initialize_inlined-parameters): Likewise.
4345 (expand_call_inline): Likewise.
4346 (save_body): Kill.
4347 (tree_function_versioning): New parameter "update_clones".
4348 (inlining_p): Kill saving.
4349 * tree-inline.h (tree_function_versioning): Update prototype.
4350 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4351 saving.
4353 2006-01-11 Ian Lance Taylor <ian@airs.com>
4355 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4356 Allow undoing set of machine mode.
4357 (do_SUBST): Use enums instead of is_int.
4358 (do_SUBST_MODE): New function.
4359 (SUBST_MODE): New macro.
4360 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4361 reg and trying to replace reg_regno_rtx with a new register.
4362 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4363 (simplify_set): Use SUBST_MODE.
4364 (distribute_notes): Remove code that tried to update reg notes
4365 for regno_reg_rtx changes.
4367 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4369 PR tree-optimization/23109
4370 PR tree-optimization/23948
4371 PR tree-optimization/24123
4373 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4374 * tree-cfg.c (single_noncomplex_succ): New.
4375 * tree-flow.h (single_noncomplex_succ): Declare it.
4376 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4377 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4378 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4379 insert_bb, register_division_in, insert_reciprocals,
4380 replace_reciprocal, free_bb): New.
4381 (execute_cse_reciprocals_1): Rewritten.
4382 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4383 Do not commit any edge insertion. Always compute dominators and
4384 create the allocation pool.
4385 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4386 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4387 * targhooks.c (default_min_divistions_for_recip_mul): New.
4388 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4389 * passes.c (init_optimization_passes): Run recip after tree loop
4390 optimizations.
4391 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4393 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4394 Kenneth Zadeck <zadeck@naturalbridge.com>
4396 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4397 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4398 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4399 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4400 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4401 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4402 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4403 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4404 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4405 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4406 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4407 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4408 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4409 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4410 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4411 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4412 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4413 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4414 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4415 DF_SCAN_POST_ALLOC): New macros.
4416 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4417 df_free_bb_function, df_local_compute_function, df_init_function,
4418 df_dataflow_function, df_confluence_function_0,
4419 df_confluence_function_n, df_transfer_function,
4420 df_finalizer_function, df_free_function, df_dump_problem_function,
4421 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4422 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4423 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4424 df_urec_bb_info, ) New types.
4425 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4426 variables.
4427 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4428 df_analyze_simple_change_some_blocks,
4429 df_analyze_simple_change_one_block, df_compact_blocks,
4430 df_bb_replace, df_bb_regno_last_use_find,
4431 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4432 df_insn_regno_def_p, df_find_def, df_find_use,
4433 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4434 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4435 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4436 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4437 debug_df_chain, df_get_dependent_problem, df_chain_create,
4438 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4439 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4440 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4441 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4442 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4443 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4444 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4445 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4446 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4447 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4448 df_reorganize_refs, df_set_state, df_hard_reg_init,
4449 df_read_modify_subreg_p) New public functions.
4450 * df-core.c: The core dataflow solver and glue routines for rtl
4451 dataflow.
4452 (df_init, df_add_problem, df_set_blocks, df_finish,
4453 df_hybrid_search_forward, df_hybrid_search_backward,
4454 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4455 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4456 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4457 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4458 df_reg_defined, df_find_use, df_reg_used, df_dump,
4459 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4460 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4461 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4462 debug_df_useno, reset_df_after_reload): New functions.
4463 * df-scan.c: The scanning fuctions, once in df.c, completely
4464 rewritten so that they now fully model the functionality of
4465 register usage at the backend.
4466 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4467 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4468 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4469 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4470 df_get_artificial_defs, df_get_artificial_uses,
4471 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4472 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4473 df_refs_delete, df_reorganize_refs, df_set_state,
4474 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4475 df_def_record_1, df_defs_record, df_uses_record,
4476 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4477 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4478 df_record_exit_block_uses, df_hard_reg_init): New functions.
4480 * df-problems.c: Seven concrete dataflow problems that use the
4481 scanning in df-scan.c and are solved by the engine in df-core.c.
4482 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4483 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4484 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4485 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4486 df_ru_free_bb_info, df_ru_alloc,
4487 df_ru_bb_local_compute_process_def,
4488 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4489 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4490 df_ru_transfer_function, df_ru_free, df_ru_dump,
4491 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4492 df_rd_free_bb_info, df_rd_alloc,
4493 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4494 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4495 df_rd_transfer_function, df_rd_free, df_rd_dump,
4496 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4497 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4498 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4499 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4500 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4501 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4502 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4503 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4504 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4505 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4506 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4507 df_urec_mark_reg_use_for_earlyclobber,
4508 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4509 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4510 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4511 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4512 df_chain_create_bb_process_use, df_chain_create_bb,
4513 df_chain_finalize, df_chain_free, df_chains_dump,
4514 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4515 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4516 df_reg_lifetime): New functions.
4517 * df.c: Deleted file.
4518 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4519 consistent with new df api.
4520 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4521 rest_of_handle_sms): Ditto.
4522 * web.c (unionfind_union, union_defs, entry_register, web_main):
4523 Ditto.
4524 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4525 invariant_expr_equal_p, find_defs, check_dependencies,
4526 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4527 free_inv_motion_data, move_loop_invariants): Ditto.
4528 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4529 Update dependencies.
4530 (odf.c): Added defective entry that was deleted later in day.
4531 * sched-deps.c (sched_analyze_1): Ditto.
4533 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4535 * tree-ssa-operands.c (get_expr_operands): Record addressable
4536 variables directly. Do not call add_stmt_operands for CONST_DECLs
4537 and ARRAY_DECLs.
4538 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4539 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4541 2006-01-11 Ben Elliston <bje@au.ibm.com>
4543 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4544 function returns true in the positive case.
4546 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4548 PR target/20754
4549 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4550 for SI, DI, SF and DF modes. Add alternatives to copy between
4551 general and floating point registers to the 32-bit patterns.
4552 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4553 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4554 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4555 generating 64-bit code.
4556 * config/pa/pa.c (output_move_double): Handle copies between general
4557 and floating registers.
4559 2006-01-10 Stuart Hastings <stuart@apple.com>
4561 * config/i386/i386.md (set_got): Update.
4562 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4563 (builtin_setjmp_receiver): Mach-O support.
4564 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4565 (GOT_SYMBOL_NAME): Define.
4566 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4567 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4568 * config/i386/i386.c (override_options): Revise for Darwin.
4569 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4570 support. (darwin_x86_file_end): New. (output_set_got): Add label
4571 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4572 * config/i386/i386-protos.h (output_set_got): Likewise.
4573 * config/darwin.c (machopic_legitimize_pic_address): Update
4574 regs_ever_live[].
4576 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4578 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4579 when MODE isn't BLKmode.
4581 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4583 PR rtl-optimization/25367
4584 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4586 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4588 PR target/25718
4589 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4590 for a negative bound.
4592 2006-01-10 Richard Guenther <rguenther@suse.de>
4594 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4595 Never override with anything constraint.
4597 2006-01-10 Jan Beulich <jbeulich@novell.com>
4599 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4600 256 bits when optimize_size.
4602 2006-01-10 Jan Beulich <jbeulich@novell.com>
4604 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4605 MASK_ALIGN_DOUBLE.
4606 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4607 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4608 arguments.
4610 2006-01-10 Ben Elliston <bje@au.ibm.com>
4612 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4613 float modes.
4614 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4615 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4616 (USE_FP_FOR_ARG): Reject decimal float modes.
4617 (function_arg_advance): Likewise.
4618 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4619 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4620 point types in AltiVec vectors.
4621 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4622 (rs6000_libcall_value): Likewise.
4624 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4626 * config/xtensa/ieee754-df.S: New file.
4627 * config/xtensa/ieee754-sf.S: New file.
4628 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4629 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4630 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4632 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4634 * config/sh/predicates.md (binary_float_operator,
4635 binary_logical_operator, commutative_float_operator,
4636 equality_comparison_operator, greater_comparison_operator,
4637 less_comparison_operator, logical_operator,
4638 noncommutative_float_operator, shift_operator,
4639 symbol_ref_operand, unary_float_operator): Remove redundant
4640 conditionals.
4642 2006-01-09 Jeff Law <law@redhat.com>
4644 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4645 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4646 now unused arguments. Callers updated.
4647 (eliminate_redundant_computations): Remove now unused arguments,
4648 callers updated.
4649 (local_fold): Remove, no longer used.
4650 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4651 and moved to...
4652 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4653 (simplify_cond): New function.
4654 (forward_propagate_into_cond): Call simplify_cond.
4656 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4658 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4659 (*vec_extractv2di_1_sse): New.
4661 2006-01-09 Ben Elliston <bje@au.ibm.com>
4663 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4665 2006-01-08 Richard Guenther <rguenther@suse.de>
4667 * tree-ssa-structalias.c (get_constraint_for): Remove
4668 anyoffset argument.
4669 (get_constraint_for_component_ref): Likewise.
4670 (do_deref): Likewise.
4671 (get_constraint_for): Likewise.
4672 (do_structure_copy): Likewise.
4673 (handle_ptr_arith): Likewise.
4674 (find_func_aliases): Likewise. Remove unused need_anyoffset
4675 variable.
4677 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4678 Kaz Kojima <kkojima@gcc.gnu.org>
4680 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4681 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4682 (EXTRA_CONSTRAINT_C16): Remove.
4683 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4684 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4685 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4686 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4687 constants of SHmedia. Handle nested constant expressions of
4688 SHmedia correctly.
4689 (andcosts): Fix the costs for SHmedia constants.
4690 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4691 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4692 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4693 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4694 (movv4hi_i, movv2si_i): Likewise.
4695 (movsi_const): Adjust the second operand of ior so to match with
4696 the Csu constraint.
4697 (movdi_const, movdi_const_32bit): Likewise.
4698 (movdi_const_16bit+1): Don't sign-extend LOW.
4699 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4700 step.
4701 (*double_shori): Fix the split condition. Use GEN_INT instead
4702 of get_int_mode calls. Mask lower 16-bit of the argument of
4703 the last GEN_INT.
4704 (sym2GOTPLT): Remove.
4705 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4706 gen_rtx_UNSPEC.
4707 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4708 instead of EXTRA_CONSTRAINT_C16.
4710 2006-01-07 Ian Lance Taylor <ian@airs.com>
4711 David Edelsohn <edelsohn@gnu.org>
4713 PR rtl-optimization/25662
4714 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4715 for constant operands instead of simplify_gen_binary.
4716 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4717 after trying simplify_binary_operation
4719 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4721 * tree.c (iterative_hash_expr): Hash decls based on UID.
4723 2006-01-06 Eric Christopher <echristo@apple.com>
4725 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4726 (TARGET_UNWIND_EMIT): Fix spelling.
4727 * target.h (gcc_target): Add except_table_label.
4728 * except.c (output_function_exception_table): Use.
4729 * varasm.c (default_emit_except_table_label): New.
4730 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4731 define.
4732 (asm_out): Add here.
4733 * output.h (default_emit_except_table_label): Prototype.
4734 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4735 * config/darwin.c (darwin_emit_except_table_label): Define.
4736 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4738 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4740 PR tree-optimization/18527
4741 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4742 number_of_iterations_special, number_of_iterations_exit):
4743 Move base and step of an iv to a single structure. Add
4744 no_overflow flag, and use it in # of iterations analysis.
4745 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4746 folded_casts argument.
4747 (simple_iv): Pass base and step in a structure. Set no_overflow
4748 flag.
4749 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4750 Evaluate expensiveness of computing # of iterations instead of
4751 the final expression.
4752 * tree-scalar-evolution.h (affine_iv): New structure.
4753 (simple_iv): Declaration changed.
4754 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4755 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4756 find_givs_in_stmt): Changed due to simple_iv change.
4758 2006-01-06 Jeff Law <law@redhat.com>
4760 PR ada/24994
4761 * tree-cfg.c (bsi_replace): Rename final argument from
4762 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4763 change (stmt -> orig_stmt).
4764 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4765 (bsi_remove): Add new argument. Remove EH information
4766 if requested.
4767 (verify_eh_throw_table_statements): New function.
4768 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4769 updated.
4770 * tree-optimize.c (execute_free_cfg_annotations): Verify
4771 the EH throw statement table after removing annotations.
4772 * except.h (verify_eh_throw_table_statements): Prototype.
4773 * tree-flow.h (bsi_remove): Update prototype.
4774 * tree-vrp.c (remove_range_assertions): Add new argument to
4775 bsi_remove call.
4776 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4777 * tree-complex.c (expand_complex_div_wide): Likewise.
4778 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4779 * tree-tailcall.c (eliminate_tailcall): Likewise.
4780 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4781 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4782 * tree-nrv.c (tree_nrv): Likewise.
4783 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4784 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4785 (combine_blocks): Likewise.
4786 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4787 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4788 (cleanup_control_flow): Likewise.
4789 (remove_forwarder_block): Likewise.
4790 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4791 * tree-sra.c (sra_replace): Likewise.
4792 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4793 (forward_propagate_single_use_vars): Likewise.
4794 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4795 * tree-inline.c (expand_call_inline): Likewise.
4796 * tree-vect-transform.c (vect_transform_loop): Likewise.
4797 * tree-outof-ssa.c (rewrite_trees): Likewise.
4798 * tree-cfg.c (make_goto_expr_edges): Likewise.
4799 (cleanup_dead_labels): Likewise.
4800 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4801 (bsi_move_before, bsi_move_after): Likewise.
4802 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4803 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4805 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4807 PR tree-opt/25528
4808 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4809 and IMAGPART_EXPR.
4810 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4811 on non gimple variables. Also add checks at the top for decls and
4812 mtags.
4813 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4814 complex types.
4815 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4816 and IMAGPART_EXPR for creating MUST_DEFs.
4817 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4818 and NAME_MEMORY_TAG separately from the DECLs.
4820 2006-01-06 Richard Guenther <rguenther@suse.de>
4822 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4823 annotation, if necessary.
4824 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4825 redundant calls to update_stmt.
4826 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4827 Likewise.
4829 2006-01-05 Richard Henderson <rth@redhat.com>
4831 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4833 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4835 * c-typeck.c: Update copyright date.
4837 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4839 * c-typeck.c (build_c_cast): Always warn when casting
4840 from a pointer to an integer of different size, even if
4841 the node was constant.
4843 2006-01-05 Richard Guenther <rguenther@suse.de>
4845 PR tree-optimization/22555
4846 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4847 if one structure field is an array.
4848 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4849 operands even if we found a subvar, but ignore VOPs in this
4850 case.
4851 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4852 for renaming.
4853 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4855 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4857 PR middle-end/24998
4858 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4860 2006-01-05 Richard Guenther <rguenther@suse.de>
4861 Diego Novillo <dnovillo@redhat.com>
4863 * tree-pass.h (TODO_remove_unused_locals): Define.
4864 * gimple-low.c (expand_var_p, remove_useless_vars,
4865 pass_remove_useless_vars): Remove. Update all users.
4866 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4867 (remove_unused_locals): New function.
4868 * tree-flow.h (remove_unused_locals): Declare.
4869 * passes.c (execute_todo): Call remove_unused_locals if
4870 TODO_remove_unused_locals is set.
4871 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4872 * tree-ssa-dce.c (pass_dce): Likewise.
4873 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4875 2006-01-05 Richard Guenther <rguenther@suse.de>
4877 * tree-flow.h (struct fieldoff): Decompose field to
4878 type, size and decl.
4879 * tree-ssa-alias.c (create_sft): Take type as parameter.
4880 (create_overlap_variables_for): Store type, size and decl
4881 in the fieldoff structure.
4882 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4883 of struct fieldoff.
4884 (push_fields_onto_fieldstack): Likewise.
4885 (create_variable_info_for): Likewise. Use offset for the
4886 SFT name if the decl is not available.
4888 2006-01-04 Paul Brook <paul@codesourcery.com>
4890 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4892 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4894 * lambda-code.c (can_put_in_inner_loop): Relax
4895 restrictions.
4896 (can_put_after_inner_loop): New function.
4897 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4898 (perfect_nestify): Change to make copies and modify uses.
4900 2006-01-04 Richard Henderson <rth@redhat.com>
4902 Merge from gomp branch:
4903 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4904 via integer constant.
4905 (pragma_lex): Remove.
4906 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4907 rather than parsing it.
4908 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4909 handle_pragma_extern_prefix): Add %< %> quotes.
4910 (registered_pragmas): New.
4911 (c_register_pragma_1): New.
4912 (c_register_pragma): Use it.
4913 (c_register_pragma_with_expansion): Likewise.
4914 (c_invoke_pragma_handler): New.
4915 (init_pragma): Use cpp_register_deferred_pragma directly for
4916 pch_preprocess.
4917 * c-pragma.h (enum pragma_kind): New.
4918 (pragma_handler): New.
4919 (c_invoke_pragma_handler): Declare.
4920 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4921 CPP_PRAGMA_EOL.
4922 * c-common.h (c_common_pch_pragma): Update decl.
4923 * Makefile.in (c-parser.o): Update dependencies.
4924 (GTFILES): Add c-pragma.h.
4925 * c-parser.c (struct c_token): Add pragma_kind.
4926 (struct c_parser): Add in_pragma.
4927 (c_lex_one_token): Always initialize keyword and pragma_kind.
4928 Extract data for CPP_PRAGMA.
4929 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4930 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4931 Don't allow CPP_PRAGMA_EOL if in_pragma.
4932 (c_parser_consume_pragma): New.
4933 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4934 (c_parser_skip_to_end_of_parameter): Likewise.
4935 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4936 (c_parser_skip_to_pragma_eol): New.
4937 (c_parser_external_declaration): Handle CPP_PRAGMA.
4938 (c_parser_compound_statement_nostart): Likewise.
4939 (c_parser_statement_after_labels): Likewise.
4940 (c_parser_pragma): New.
4941 (pragma_lex): Likewise.
4942 (c_parser_pragma_pch_preprocess): New.
4943 (c_parser_new): Merge into ...
4944 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4946 2006-01-04 Jeff Law <law@redhat.com>
4948 PR ada/24994
4949 * tree-cfg.c (bsi_replace): Remove the original statement
4950 from the EH throw statement table.
4952 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4954 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4955 make the prototype extern "C" and add throw ().
4957 PR target/25554
4958 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4959 and pos non-negative and pos + len <= 32.
4960 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4961 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4962 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4964 PR c/25559
4965 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4966 as well as sizes not multiple of component size.
4968 PR debug/25562
4969 * function.c (instantiate_expr): New function.
4970 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4971 walk its DECL_VALUE_EXPR with instantiate_expr.
4973 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4974 DW_OP_deref{,_size} if address isn't going to be added.
4976 2006-01-04 Ben Elliston <bje@au.ibm.com>
4978 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4979 * config/fp-bit.c: Likewise.
4981 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4983 * dominance.c: Add comment about why we use DFS numbering
4984 of dominance tree.
4986 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4987 Richard Henderson <rth@redhat.com>
4989 Merge from gomp-branch:
4990 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4991 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4993 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4995 PR rtl-optimization/25578
4996 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4997 pass a parameter to simplify_shift_const if changing ASHIFTRT
4998 to LSHIFTRT.
5000 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5002 * builtins.c (get_builtin_sync_mem): New function.
5003 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5004 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5005 Call get_builtin_sync_mem to generate mem rtx.
5007 2006-01-03 Richard Guenther <rguenther@suse.de>
5009 PR c/25183
5010 * stmt.c (add_case_node): Make sure to clear overflow flags
5011 from ranges.
5013 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5015 Merge from gomp-branch.
5016 * config/sparc/sync.md: New file.
5017 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
5018 UNSPECV_LDSTUB): New constants.
5019 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
5020 * config/sparc/predicates.md (memory_reg_operand): New predicate.
5021 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
5022 prototype.
5024 2006-01-03 Roger Sayle <roger@eyesopen.com>
5026 * combine.c (reg_subword_p): New predicate to test whether the
5027 destination of a set refers to a subword/piece of a register.
5028 (try_combine): Generalize the code to merge the setting of a
5029 pseudo to a constant followed by a set of a subword of that
5030 register to a constant.
5032 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
5034 * basic-block.h (control_flow_graph): Change the type of
5035 x_label_to_block_map to VEC(basic_block,gc) *.
5036 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
5037 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
5039 * tree-ssa-propagate.c (cfg_blocks): Change the type to
5040 VEC(basic_block,heap) *.
5041 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
5042 ssa_prop_fini): Adjust the uses of cfg_blocks.
5044 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
5046 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
5047 COMPONENT_REFs.
5048 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
5049 hashing trees instead of a pointer hash.
5050 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
5051 compare for MEM_EXPR.
5053 PR rtl-optimization/25130
5054 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
5055 when comparing MEMs for GCSE
5057 2006-01-03 Ben Elliston <bje@au.ibm.com>
5059 * targhooks.h (default_decimal_float_supported_p): Declare.
5060 * targhooks.c (default_decimal_float_supported_p): Define.
5061 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
5062 `default_decimal_float_supported_p'.
5063 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
5065 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
5067 * combine.c (apply_distributive_law <SUBREG>): Check
5068 TRULY_NOOP_TRUNCATION.
5070 2006-01-02 Geoffrey Keating <geoffk@apple.com>
5072 * dwarf2out.c (have_switched_text_section): Delete.
5073 (have_multiple_function_sections): New.
5074 (have_location_lists): Make 'bool'.
5075 (add_AT_loc_list): Use 'true' not '1'.
5076 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
5077 (output_loc_list): Use have_multiple_function_sections.
5078 (output_ranges): Likewise.
5079 (dwarf2out_begin_function): Set have_multiple_function_sections if
5080 necessary.
5081 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
5082 Check function_section rather than DECL_SECTION_NAME.
5083 (dwarf2out_finish): Use have_multiple_function_sections.
5084 Don't clear have_location_lists.
5086 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
5087 Jan Hubicka <jh@suse.cz>
5089 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
5090 case of conditional jump jumping to the next instruction.
5091 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
5092 cases of conditional jump jumping to the next instruction.
5094 2006-01-02 Jan Hubicka <jh@suse.cz>
5096 * i386.c (*_cost): Add COSTS_N_INSNS.
5097 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
5099 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
5101 PR target/25259
5102 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
5104 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5106 * config/arm/arm.c (all_fpus): Fix comment typo.
5107 * config/darwin.c: Likewise.
5108 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
5109 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
5110 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
5112 2006-01-01 David Edelsohn <edelsohn@gnu.org>
5114 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
5115 (rs6000_split_compare_and_swapqhi): New.
5116 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
5117 (sync_compare_and_swapqhi_internal): New.
5118 * config/rs6000/rs6000-protos.h: Declare.