1 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2 Marcin Dalecki <martin@dalecki.de>
4 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5 (push_srcloc): Use XNEW.
6 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
10 * df-core.c (df_set_blocks): Deleted all variable.
12 2006-01-28 Ian Lance Taylor <ian@airs.com>
14 * cgraphunit.c (cgraph_assemble_pending_functions): Call
15 cgraph_output_pending_asms.
17 2006-01-28 Zack Weinberg <zackw@panix.com>
19 * c.opt: Add -W(no-)overlength-strings.
20 * doc/invoke.texi: Document it.
21 * c-opts.c (c_common_handle_option): -pedantic implies
22 -Woverlength-strings, if not explicitly disabled already.
23 (c_common_post_options): -Woverlength-strings defaults to off, and
24 is always off for C++.
25 * c-common.c (fix_string_type): Issue warning about strings longer
26 than is portable only if warn_overlength_strings. Rearrange code
28 * configure.in: Check for -Wno-overlength-strings as well before
29 enabling -pedantic in stage 1.
30 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
31 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
33 * genconditions.c (write_header, write_one_condition)
34 (write_conditions, write_writer): Consolidate very long strings
35 that were broken up to fit in C89 portable limit. Don't use
36 printf when fputs will do.
38 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
40 * combine.c (simplify_comparison <AND>): Check
41 TRULY_NOOP_TRUNCATION before start using a subreg.
43 * config/mips/mips.md (*branch_zero<mode>,
44 *branch_zero<mode>_inverted, *branch_equality<mode>,
45 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
46 Remove mode check from comparisons.
48 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
50 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
52 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
54 * expmed.c (const_mult_add_overflow_p): Remove.
55 * expr.h: Remove the prototype for const_mult_add_overflow_p.
57 * recog.c (validate_replace_rtx_subexp): Remove.
58 * recog.h: Remove the prototype for
59 validate_replace_rtx_subexp.
61 * integrate.h: Remove the prototype for
62 copy_decl_for_inlining.
63 * rtl.h: Remove the prototype for mark_constant_function.
64 * tree-vectorizer.h: Remove the prototype for
65 vect_strip_conversion.
67 * modulo-sched.c (create_partial_schedule,
68 free_partial_schedule, reset_partial_schedule): Make them
71 * hooks.c (hook_bool_rtx_int_false): Remove.
72 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
74 2006-01-28 David Edelsohn <edelsohn@gnu.org>
76 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
77 and -mlong-double-128 are incompatible.
78 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
79 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
80 (TARGET_LIBGCC2_CFLAGS): Define.
81 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
82 (TARGET_LIBGCC2_CFLAGS): Same.
83 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
85 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
88 * c-typeck.c (build_binary_op): Perform implicit casts of
89 operands before shortening them.
91 * cfgloopmanip.c (split_loop_bb): Remove.
92 * cfgloop.h: Remove the prototype for split_loop_bb.
94 * cfgloop.c (flow_loop_outside_edge_p): Remove.
95 * cfgloop.h: Remove the prototype for
96 flow_loop_outside_edge_p.
98 * emit-rtl.c (init_virtual_regs): Make it static.
99 * function.h: Remove the prototype for init_virtual_regs.
101 * recog.c (peephole2_optimize): Make it static.
102 * recog.h: Remove the prototype for peephole2_optimize.
104 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
106 * df-scan.c (df_record_entry_block_defs): Check if
107 INCOMING_RETURN_ADDR_RTX is defined.
109 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
110 Kenneth Zadeck <zadeck@naturalbridge.com>
112 PR rtl-optimization/24762
113 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
114 * targhooks.c (hook_void_bitmap): New hook prototype.
115 * targhoohs.h (hook_void_bitmap): Ditto.
116 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
117 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
118 * target.h (live_on_entry): New function pointer.
119 * df-scan.c (df_all_hard_regs): Removed.
120 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
121 (df_scan_free_internal): Added df->entry_block_defs.
122 (df_scan_alloc): Ditto.
123 (df_scan_dump): Ditto.
124 (df_uses_record): Plumbed flag field properly thru calls.
125 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
126 This part fixes PR24762.
127 (df_bb_refs_record): Added code to make the frame and arg
128 pointers live in EH blocks.
129 (df_refs_record): Added call to df_record_entry_block_defs.
130 (df_record_entry_block_defs): New function.
131 * df-core.c: Added comments to describe new artifical defs.
132 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
133 (entry_block_defs): New field in struct df.
134 (df_all_hard_regs): Deleted.
135 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
136 * df-problems.c (df_ru_bb_local_compute_process_def):
137 Added code to handle artifical defs in the entry to a function.
138 (df_ru_bb_local_compute): Ditto.
139 (df_rd_bb_local_compute_process_def): Ditto.
140 (df_rd_bb_local_compute): Ditto.
141 (df_lr_bb_local_compute): Ditto.
142 (df_ur_bb_local_compute): Ditto.
143 (df_urec_bb_local_compute): Ditto.
144 (df_chain_create_bb): Ditto.
145 (df_ur_local_finalize): Removed entry.
146 (df_urec_init): Ditto.
147 (df_urec_local_finalize): Ditto.
148 (df_ri_bb_compute): Added detection of last use of pseudos.
149 * Makefile.in (df-scan.o): Updated dependencies.
150 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
151 * config/mips/mips.c (mips_set_live_on_entry): Added.
152 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
154 * dce.c (marked_insn_p): Added code to handle artifical defs.
156 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
158 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
160 (_mm_cvtsi128_si64): Likewise.
161 (_mm_cvtsd_si64): Likewise.
162 (_mm_cvttsd_si64): Likewise.
163 (_mm_cvtsi64_sd): Likewise.
164 (_mm_cvtsi64_si128): Likewise.
165 * config/i386/mmintrin.h (_m_from_int64): Likewise.
166 (_mm_cvtsi64_m64): Likewise.
167 (_m_to_int64): Likewise.
168 (_mm_cvtm64_si64): Likewise.
169 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
170 (_mm_cvttss_si64): Likewise.
171 (_mm_cvtsi64_ss): Likewise.
172 (_mm_cvtss_f32): Likewise.
174 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
176 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
177 for pragma redefine_extname.
179 2006-01-27 Jakub Jelinek <jakub@redhat.com>
182 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
183 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
184 -mno-minimal-toc to previous content.
185 (bispecs): Remove goal.
186 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
187 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
188 compatibility aliases on powerpc-*-*gnu*.
189 * config/rs6000/libgcc-ppc-glibc.ver: New file.
190 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
191 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
192 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
193 (ldblspecs): New goal.
194 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
195 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
197 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
198 L_sf_to_tf or L_df_to_tf is defined.
200 2006-01-27 David Edelsohn <edelsohn@gnu.org>
201 Alan Modra <amodra@bigpond.net.au>
204 * config/rs6000/linux.h (POWERPC_LINUX): Define.
205 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
206 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
207 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
208 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
209 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
210 (rs6000_override_options): Initialize rs6000_ieeequad.
211 Initialize TFmode format to ibm_extended_format if not
213 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
215 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
216 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
217 (function_arg_advance): IBM long double passed in two FPRs, not
219 (function_arg): IBM long double passed in FPRs.
220 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
221 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
222 Only multireg GPR aligned.
223 (rs6000_init_libfuncs): Enable IBM long double functions if not
225 (rs6000_generate_compare): Use IBM long double compare if not
227 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
228 (TARGET_IEEEQUAD): Define.
229 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
231 * config/rs6000/rs6000.md: Enable TFmode patterns if
233 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
234 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
235 and -mlong-double-128 are incompatible.
236 * doc/invoke.texi (-mabi): Collect options together. Add
237 ibmlongdouble and ieeelongdouble.
239 2006-01-27 Richard Sandiford <richard@codesourcery.com>
241 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
243 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
244 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
245 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
246 * rtl.h (rtunion_def): Remove rt_ptr.
248 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
249 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
250 * config/i386/winnt.c (i386_pe_mark_dllexport)
251 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
253 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
255 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
257 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
261 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
262 pthread_key_delete. From John David Anglin. gthrw-ify
263 pthread_getunique_np only if it it's not a macro. Delete
265 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
266 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
267 __gthread_objc_condition_signal, __gthread_key_delete): Add
268 "__attribute__ ((__unused__))" to unused arguments.
269 (__gthread_recursive_mutex_init_function): Add missing return.
270 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
271 gthr-posix95.h: Use macro-based approach for name redirection
272 on targets missing weakref.
274 2006-01-26 Zack Weinberg <zackw@panix.com>
276 * genconditions.c (write_header): In generated code, #ifdef out
277 all includes and fake declarations, except includes of bconfig.h
278 and system.h, unless GCC_VERSION >= 3001. Do not include
279 gensupport.h in any case.
280 (write_conditions): Generate a definition of struct c_test. Add
281 a comment to the generated #endif.
282 (write_one_condition): Escape backslashes in string too.
283 (write_writer): Generated code must escape backslashes and quote
284 marks (but not newlines) in the strings it writes.
285 * Makefile.in (build/gencondmd.o): Update dependencies.
287 2006-01-26 Steve Ellcey <sje@cup.hp.com>
290 * Makefile.in (insn-automata.o): Add header file dependencies.
291 * genautomata.c: Add includes.
293 2006-01-26 Steve Ellcey <sje@cup.hp.com>
296 * Makefile.in (insn-automata.o): Add -Wno-error flag.
298 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
300 * configure.ac: Expect target tools paths to be passed from the toplevel
301 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
303 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
305 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
308 * c.opt (Wpointer-sign): Init to -1.
309 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
310 OPT_pedantic, to 0 otherwise.
311 * doc/invoke.texi: Update.
313 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
315 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
316 constants provided by 80387 instructions in the destination mode.
318 2006-01-26 Richard Guenther <rguenther@suse.de>
319 Andrew Pinski <pinskia@physics.uc.edu>
322 partial PR tree-opt/17064
323 * tree-ssa-structalias.c (intra_create_variable_infos):
324 Create heap variables for incoming parameters if
325 flag_argument_noalias > 1.
326 (find_what_p_points_to): Look through default defs of
329 2006-01-26 Jeff Law <law@redhat.com>
332 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
333 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
334 within the VR_RANGE, use the VR_RANGE as the result, not the
336 (adjust_range_with_scev): Reject ranges from SCEV which are out
337 of bounds for the type.
339 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
341 * tree-ssa-alias.c (maybe_create_global_var): Change
342 subvar walking to an assertion that we don't have subvar'd variables.
344 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
347 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
348 Use a new variable, inner. PARM_DECLs are always non-weak.
350 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
352 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
355 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
357 * config/mips/mips.md (*clear_upper32): New combiner pattern.
359 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
361 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
362 (smax_insn, smin_insn, smax_0, smin_0): New.
364 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
367 * config/cris/cris.c (cris_order_for_addsi3): New function.
368 * config/cris/cris-protos.h: Prototype it.
369 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
370 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
371 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
372 (split for "op.S1 [rx=rx+i],ry (swapped)")
373 (split for "op(s|u).S1 [rx=rx+i],ry")
374 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
375 Apply cris_order_for_addsi3 when generating addsi3 insns.
377 2006-01-25 Diego Novillo <dnovillo@redhat.com>
379 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
380 (TREE_BLOCK): Add call to EXPR_CHECK.
382 2006-01-25 Diego Novillo <dnovillo@redhat.com>
385 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
386 * tree-pretty-print.c (dump_omp_clause): Extract from ...
387 (dump_omp_clauses): ... here.
388 (dump_generic_node): Handle OMP_CLAUSE.
389 * tree.c (omp_clause_num_ops): New.
390 (omp_clause_code_name): New.
391 (tree_code_size): Handle OMP_CLAUSE.
392 (tree_size): Likewise.
393 (make_node): Document handling of OMP_CLAUSE.
394 (tree_node_structure): Handle OMP_CLAUSE.
395 (omp_clause_check_failed): New.
396 (omp_clause_range_check_failed): New.
397 (omp_clause_operand_check_failed): New.
398 (build_omp_clause): New.
399 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
400 * tree.h (enum omp_clause_code): Declare.
401 (OMP_CLAUSE_SUBCODE_CHECK): Define.
402 (OMP_CLAUSE_RANGE_CHECK): Define.
403 (OMP_CLAUSE_ELT_CHECK): Define.
404 (omp_clause_check_failed): Declare.
405 (omp_clause_operand_check_failed): Declare.
406 (omp_clause_range_check_failed): Declare.
407 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
408 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
409 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
410 (OMP_CLAUSE_LASTPRIVATE): Likewise.
411 (OMP_CLAUSE_IF_EXPR): Likewise.
412 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
413 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
414 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
415 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
416 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
417 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
418 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
419 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
420 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
421 (OMP_CLAUSE_CODE): Define.
422 (OMP_CLAUSE_SET_CODE): Define.
423 (OMP_CLAUSE_CODE): Define.
424 (OMP_CLAUSE_OPERAND): Define.
425 (struct tree_omp_clause): Declare.
426 (union tree_node): Add field 'omp_clause'.
427 * treestruct.def (TS_OMP_CLAUSE): Define.
428 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
429 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
430 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
431 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
432 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
433 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
434 (OMP_CLAUSE): Define.
435 * print-tree.c (print_node): Handle OMP_CLAUSE.
436 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
437 * c-typeck.c: Likewise.
438 * gimplify.c: Likewise.
440 * tree-nested.c: Likewise.
441 * tree-inline.c: Likewise.
442 * c-parser.c: Likewise.
443 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
446 2006-01-25 Roger Sayle <roger@eyesopen.com>
448 PR rtl-optimization/25703
449 * combine.c (try_combine): Handle zero_extract and strict_low_part
450 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
452 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
454 * global.c: Fix comment typos.
456 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
459 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
460 Use output_addr_const instead of assemble_name.
462 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
464 * Makefile.in (sched-vis.o): Update dependencies.
465 * haifa-sched.c (sched_finish): Clear current_sched_info.
466 * cfg.c (dump_bb_info): New, split from dump_flow_info.
467 (dump_flow_info): Call it.
468 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
470 * basic-block.h (dump_bb_info): Declare.
471 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
472 option, and apply options only for dump files whose TDF_RTL,
473 TDF_TREE, or TDF_IPA bits match.
474 * rtl.h: Declare new functions exported from sched-vis.c.
475 * sched-vis.c: Enable also if scheduling is not used.
476 (print_value): Print the mode of registers if not inside scheduling.
477 (print_insn): Make it work outside the scheduler. Beautify the output
479 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
481 2006-01-25 Richard Sandiford <richard@codesourcery.com>
483 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
484 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
485 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
486 depending on the value of CONSTANT_POOL_ADDRESS_P.
487 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
489 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
490 rather than SYMBOL_REF_DECL.
491 (rtx_constant_pool): Remove const_rtx_sym_htab.
492 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
493 (init_varasm_status): Don't initialize const_rtx_sym_htab.
494 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
495 Remove handling of const_rtx_sym_htab.
496 (find_pool_constant): Delete.
497 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
498 rather than find_pool_constant.
499 (get_pool_constant_for_function): Delete.
500 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
502 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
503 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
504 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
505 (SYMBOL_REF_CONSTANT): New macro.
506 (get_pool_constant_for_function): Delete.
507 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
508 rather than SYMBOL_REF_DECL.
509 (i386_pe_mark_dllimport): Likewise.
510 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
511 rather than SYMBOL_REF_DECL.
512 * config/darwin.c (machopic_indirect_data_reference): Likewise.
513 (machopic_indirect_call_target): Likewise.
515 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
517 * flow.c (delete_noop_moves): Add missing EOL to dump message.
519 2006-01-25 Richard Sandiford <richard@codesourcery.com>
521 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
523 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
525 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
527 2006-01-24 David Daney <ddaney@avtrex.com>
530 * configure.ac (enable_tls): New enable option.
531 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
532 * configure: Regenerate.
533 * doc/install.texi (--enable-tls): Document new option.
534 (--disable-tls): Ditto.
536 2006-01-24 Richard Henderson <rth@redehat.com>
538 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
539 * alias.c (true_dependence): Respect it.
540 (canon_true_dependence, write_dependence_p): Likewise.
541 * builtins.c (get_builtin_sync_mem): Set it.
543 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
545 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
548 2006-01-24 DJ Delorie <dj@redhat.com>
550 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
551 for storing constants in single-bit bitfields.
553 2006-01-25 Ben Elliston <bje@au.ibm.com>
555 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
557 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
560 * tree-ssa-pre.c (phi_translate): Return NULL
561 for AGGREGATE_TYPE's.
563 2006-01-24 Zack Weinberg <zackw@panix.com>
565 * genautomata.c (process_state_for_insn_equiv_partition):
566 Use xcalloc for insn_arcs_array.
567 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
568 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
570 2006-01-24 Richard Henderson <rth@redhat.com>
572 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
575 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
577 PR rtl-optimization/25890
578 PR rtl-optimization/25905
579 * combine.c (expand_compound_operation, expand_field_assignment):
580 Fail if the bitfield's final position is out of bounds.
582 2006-01-24 Ian Lance Taylor <ian@airs.com>
585 * cgraphunit.c (cgraph_output_in_order): Don't clear
586 cgraph_asm_nodes until after asm strings have been output.
588 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
590 * fix-header.c (read_scan_file): Add new parameter imultilib when
591 calling register_include_chains.
593 2006-01-23 Diego Novillo <dnovillo@redhat.com>
595 * omp-low.c: Update documentation.
597 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
598 Daniel Berlin <dberlin@dberlin.org>
602 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
603 return from the function.
605 2006-01-22 Zack Weinberg <zackw@panix.com>
607 * rtl.def (match_code): Add second argument.
608 * genpreds.c (write_extract_subexp): New function.
609 (write_match_code): Add path argument. Use write_extract_subexp.
610 (write_predicate_expr): Pass path to write_match_code.
611 (mark_mode_tests): MATCH_CODE applied to a subexpression does
612 not perform a mode test.
613 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
614 a subexpression does not constrain the top-level code set.
615 * read-rtl.c (read_rtx_variadic): New function.
616 (read_rtx_1): Use it; allow AND and IOR to be variadic.
617 * doc/md.texi: Document new notation.
618 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
619 (cmpsi_operand): ... here, using new notation.
621 2006-01-22 Zack Weinberg <zackw@panix.com>
623 * varray.c: Remove GENERATOR_FILE #ifdefs.
625 2006-01-22 Zack Weinberg <zackw@panix.com>
627 * genautomata.c (output_reserved_units_table): Emit nothing if
628 description->query_units_num is zero. Remove extra blank line.
629 (output_cpu_unit_reservation_p): Short circuit
630 if description->query_units_num is zero.
632 2006-01-22 Zack Weinberg <zackw@panix.com>
634 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
635 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
636 nor any of the random handful of variables that used to be necessary
637 when this program was linked with rtlanal.o. Prune set of forward
638 function declarations.
639 (struct attr_desc): Remove static_p field.
640 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
641 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
642 (attr_string): Do not read the character one past the length of
644 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
645 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
646 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
647 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
648 (make_automaton_attrs): New.
649 (main): Do not call into genautomata. Call local gen_bypass
650 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
651 Remove special case for insn_alts.
652 * genautomata.c: Include gensupport.h; not genattrtab.h nor
653 varray.h (leftover from previous change). Prune set of forward
654 function declarations. Remove state_alts fields from all
655 structures. Remove state_alts_table from struct automaton.
656 Make everything except main static. Do not maintain num_dfa_decls.
657 Do not maintain state_alts fields of various structures.
658 (process_decls): Don't validate condexp for dm_insn_reserv decls.
659 (add_arc): Remove state_alts argument. All callers updated.
660 (output_reserved_units_table): Emit #ifdef here...
661 (output_tables): ...not here. Don't generate state_alts tables.
662 (expand_automata): Don't generate attributes.
663 (write_automata): Don't generate state_alts functions.
664 (main): New function.
665 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
666 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
667 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
668 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
669 (BYPASS_P_FUNC_NAME, output_state_alts_table)
670 (output_automata_list_state_alts_code, output_internal_state_alts_func)
671 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
672 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
674 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
675 * genattrtab.h: Delete file.
676 * Makefile.in (OBJS-common): Add insn-automata.o.
677 (insn-automata.o): New rule.
678 (simple_generated_c): Add insn-automata.c.
679 (build/genattrtab.o, build/genautomata.o): Update dependencies.
680 (genprogmd): Add automata.
681 (build/genattrtab): Needs no extra objects nor libraries.
682 (build/genautomata): Needs build/vec.o and -lm.
684 2006-01-22 Zack Weinberg <zackw@panix.com>
686 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
687 (output_dfa_max_issue_rate, locked_states_num): Delete.
688 (struct automaton): Add locked_states field.
689 (output_dead_lock_vect): Save number of locked states in
690 automaton->locked_states. If it is zero, don't print anything.
691 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
692 (output_internal_dead_lock_func): Only test the dead_lock_vect
693 for automata that have locked states.
694 (output_statistics): Always print the number of locked states for
695 each automaton. Calculate total number of locked states here.
696 (write_automata): Don't call output_dfa_max_issue_rate.
697 * genattrtab.c: Define length_unit_log as a const variable.
698 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
699 max_insn_queue_index const.
700 * final.c (length_unit_log): Declare const.
701 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
703 2006-01-22 Zack Weinberg <zackw@panix.com>
705 * genautomata.c: Include vec.h, not varray.h.
706 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
707 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
708 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
709 VEC_* macros operating on appropriately typed vectors, or to
710 malloced arrays when the size is known in advance. Const-ify
711 many char* variables and function arguments. No functional changes.
712 * Makefile.in (build/varray.o): Delete rule.
713 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
714 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
716 2006-01-22 Zack Weinberg <zackw@panix.com>
718 * gensupport.c: Define get_insn_name and record_insn_name here.
719 (read_md_rtx): Call record_insn_name as appropriate.
720 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
721 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
722 * genpreds.c, genrecog.c: Don't define get_insn_name nor
724 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
725 (BUILD_VARRAY): Delete.
726 (genprognormal): Rename genprogmd. Fold in all programs from
727 genprognoprint; also attrtab.
728 (build/genattrtab): Just mention genautomata.o and varray.o.
729 Reorganize a bit, add comments to make the categories clearer.
731 2006-01-22 Zack Weinberg <zackw@panix.com>
733 * genconditions.c (condition_table, add_condition): Delete.
734 (write_conditions): Don't emit n_insn_conditions nor
735 insn_elision_unavailable. Issue the gcc version #ifdef here,
736 inside the table, with no #else clause ...
737 (write_header): ...not here.
738 (write_writer): New function.
739 (main): Don't initialize condition_table. Use add_c_test.
741 * gensupport.c (init_md_reader_args_cb): Handle multiple input
742 files on the command line.
743 (maybe_eval_c_test): Don't check insn_elision_unavailable.
744 Return -1 if there is no entry in the table, don't abort.
745 (add_c_test, traverse_c_tests): New functions.
746 * gensupport.h (insn_elision_unavailable, insn_conditions)
747 (n_insn_conditions): Delete declarations.
748 (add_c_test, traverse_c_tests): Declare.
749 * read-rtl.c: Include gensupport.h.
750 (read_conditions): New function.
751 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
752 (read_rtx_1): If we get EOF when we were looking for an initial
753 open paren, return 0. Call read_conditions when appropriate.
754 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
755 dummy-conditions.o. Eliminate references to insn-conditions.o,
756 or change them to build/gencondmd.o, as appropriate. Remove
757 insn-constants.h from $(simple_generated_h) and insn-conditions.c
758 from $(simple_generated_c). For all files remaining in those
759 two lists, add insn-conditions.md to the generator command line.
760 Give insn-constants.h/s-constants their own rules. Add rules
761 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
762 (build/read-rtl.o): Depend on gensupport.h.
763 (genprognormal): Include preds.
764 (genprogearly): Rename genprognoprint; only difference is now that
765 they don't link with $(BUILD_PRINT).
766 * dummy-conditions.c: Delete.
768 2006-01-22 Zack Weinberg <zackw@panix.com>
770 * genextract.c: Don't include insn-config.h. Do include vec.h.
771 Declare vectors of int, char, and locstr.
772 (locstr): New typedef.
773 (struct extraction): Make all array fields into bare pointers.
774 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
775 (insn_code_number): Delete.
776 (accum_extract): New struct.
777 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
778 (gen_insn): Take insn_code_number as an argument. Use an
779 accum_extract structure instead of loading data directly into
780 a struct extraction, and having to know how big it might get.
781 (walk_rtx): Operate entirely on an accum_extract structure.
782 (print_path): Avoid unnecessary use of printf.
783 (print_header): New function, split out of main. Distinguish
784 more carefully between an unrecognizable insn and an insn that
785 has the code number of a define_expand.
786 (main): Pass insn_code_number to gen_insn. Call print_header
787 only after parsing. Avoid unnecessary use of printf.
788 * Makefile.in (build/vec.o): New rule.
789 (build/genextract): Depend on build/vec.o.
790 (build/genextract.o): Don't depend on insn-config.h.
792 2006-01-22 Zack Weinberg <zackw@panix.com>
794 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
795 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
796 practical. Eliminate per-generator-program link rules.
798 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
801 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
802 with a call expr to ...
803 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
805 2006-01-23 Richard Guenther <rguenther@suse.de>
807 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
808 before make_edge with conditional EDGE_TRUE_VALUE.
810 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
811 Jan Hubicka <jh@suse.cz>
812 Richard Guenther <rguenther@suse.de>
814 PR rtl-optimization/25654
815 * cfgexpand.c (aggregate_contains_union_type): New function.
816 (add_alias_set_conflicts): Call it. Make sure to add conflicts
817 for structure variables that contain a union type.
819 2006-01-23 Richard Sandiford <richard@codesourcery.com>
821 * gengtype.c (new_structure): Return the structure.
822 (create_option): Add an extra "next" argument.
823 (create_field): New function.
824 (adjust_field_rtx_def): Use create_option and create_field.
825 Remove a now-unnecessary call to find_structure.
826 (adjust_field_tree_def): Likewise.
827 (note_yacc_type): Remove an unnecessary call to find_structure.
828 * gengtype.h (new_structure): Return the structure.
829 (create_option): Add an extra argument.
830 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
831 (option): Adjust calls to create_option.
833 2006-01-22 David Edelsohn <edelsohn@gnu.org>
835 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
837 2006-01-22 Paul Brook <paul@codesourcery.com>
838 Peter Barada <peter@the-baradas.com>
840 * config/m68k/m68k.md: Add Coldfire FPU support.
841 Define FP mode macro and associated attributes.
842 Use it for float mode patterns.
843 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
844 (LIBCALL_VALUE): Use m68k_libcall_value.
845 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
846 (m68k_function_value): Ditto.
847 (emit_move_sequence): Ditto.
848 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
849 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
850 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
851 (MULTILIB_EXCEPTIONS): Ditto.
852 * config/m68k/m68k.opt: Add mcfv4e.
853 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
854 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
855 (m68k_output_function_prologue): Save ColdFire FPU registers.
856 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
857 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
858 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
859 ColdFire FPU registers.
860 (m68k_libcall_value, m68k_function_value): New functions.
861 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
862 (LIBCALL_VALUE): Use m68k_libcall_value.
863 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
864 (MASK_COLDFIRE): Add MASK_CFV4E.
865 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
866 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
867 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
868 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
869 (GO_IF_LEGITIMATE_ADDRESS): Use it.
870 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
871 * doc/invoke.tex: Document -mcfv4e on m68k.
873 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
875 * doc/contribute.texi: Change CVS to SVN and update the corresponding
878 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
881 * c-opts.c (c_common_handle_option): Don't include
882 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
883 * doc/invoke.texi (C++ Dialect Options): Document that
884 -Wnon-virtual-dtor is no longer included in -Wall.
886 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
888 * gcov.c (print_version), gcov-dump.c (print_version),
889 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
892 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
894 * df-scan.c (problem_SCAN): Added NULL reset function.
895 (df_scan_reset_blocks): Added code to call reset block function
896 (df_bb_refs_delete) Fixed comment.
897 (df_insn_refs_delete): Made tolerant of deleting non existent info
898 for dataflow problems that need to be reset.
899 * df-core.c (df_set_blocks): Ditto.
900 * df.h (struct df_problem): Added reset_fun.
901 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
902 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
903 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
904 functions to clear out all references to def-use or use-def chains.
906 2006-01-21 Ben Elliston <bje@au.ibm.com>
908 * varasm.c (assemble_real): Initialise data array.
910 2006-01-20 Paul Brook <paul@codesourcery.com>
912 Merge from csl-arm-branch.
913 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
914 * config/arm/arm.md (movdi): Force operands[1] to a register
915 if we have a non-register source.
916 (*arm_movdi, *movdf_soft_insn): Require that one of the
917 operands be a register.
918 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
919 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
921 2006-01-20 DJ Delorie <dj@redhat.com>
923 * varasm.c (initialize_constant_valid_p): Allow pointers
924 initialized from integer constants of lesser precision.
925 (output_constant): Allow non-int-sized pointer modes to be
926 initialized from integer constants.
928 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
931 * cppdefault.h (struct default_include): Add multilib flag.
932 * cppdefault.c (cpp_include_defaults): Set it.
933 * c.opt (-imultilib): New option.
934 * c-opts.c (imultilib): New.
935 (c_common_handle_option): Handle -imultilib.
936 (c_common_post_options): Likewise.
937 * c-incpath.c (add_standard_paths, register_include_chains):
939 * c-incpath.h (register_include_chains): Add extra parameter.
940 * gcc.c (do_spec_1): Generate -imultilib option.
941 (The Specs Language): Update %I description.
942 (process_command): Update copyright notice.
943 * doc/cppopts.texi (-imultilib): Document.
944 * doc/invoke.texi (-imultilib): Include in option summary.
945 (%I): Update specs documentation.
947 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
949 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
951 2006-01-20 Richard Sandiford <richard@codesourcery.com>
953 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
956 2006-01-20 Richard Guenther <rguenther@suse.de>
957 Steven Bosscher <stevenb.gcc@gmail.com>
959 PR rtl-optimization/24626
960 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
961 EDGE_TRUE_VALUE if in RTL mode.
964 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
965 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
967 2006-01-20 Dirk Mueller <dmueller@suse.com>
970 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
971 instead of a special NOP marker.
972 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
974 * c-common.h (empty_body_warning): Add forward declaration.
975 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
976 Now uses IS_EMPTY_STMT() instead of special NOP markers.
978 2006-01-20 Paul Brook <paul@codesourcery.com>
980 * Makefile.in (lang_checks): Keep going if mkdir fails.
982 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
984 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
985 be able to clean out basic block when not necessary.
986 (df_scan_free): Fixed to properly delete information if df is
987 unused before calling df_finish.
988 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
989 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
991 (df_bb_refs_delete): New function.
992 (df_refs_delete): Moved per block code to df_bb_refs_delete.
993 * df-core.c (df_set_blocks): Added code to properly clean out
994 unused blocks if they are not part of the blocks to consider.
995 Added additional null check.
996 (df_compact_blocks): Added basic block parameter to free_bb_fun to
997 be able to clean out basic block when not necessary
998 * df.h (df_free_bb_function): Ditto.
999 (df_bb_refs_delete): New function.
1000 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1001 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1002 basic block parameter to be able to clean out basic block when not
1004 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1005 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1006 Fixed to properly delete information if df is unused before
1009 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1011 PR rtl-optimization/25799
1012 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1013 Corrected confluence operator to remove bits from op2 before oring
1014 with op1 rather than removing bits from op1.
1015 (df_ru_transfer_function): Corrected test on wrong bitmap which
1016 caused infinite loop. Both of these problems were introduced in
1017 the dataflow rewrite.
1019 2006-01-19 DJ Delorie <dj@redhat.com>
1021 * reload1.c (find_reload_regs): Note the details of reload
1022 failures in the dump file.
1023 (spill_failure): Likewise.
1025 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1027 * loop-iv.c: Include df.h and hashtab.h.
1028 (enum iv_grd_result): New enum.
1029 (DF_REF_IV, DF_REF_IV_SET): New macros.
1030 (struct biv_entry): New.
1031 (df, bivs): New global variables.
1032 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1033 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1035 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1036 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1037 analyzed_for_bivness_p, record_biv): New functions.
1038 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1039 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1040 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1042 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1044 (iv_number_of_iterations): Use new interface to iv analysis.
1045 * loop-unroll.c: Do not include varray.h.
1046 (analyze_iv_to_split_insn): Use new interface to iv
1048 * loop-unswitch.c (may_unswitch_on): Ditto.
1049 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1051 (df_bb_modify): Realloc tables to the new index.
1052 (df_find_use): New function.
1053 * df.h (df_find_use): Declare.
1054 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1056 * cfgloop.h (struct rtx_iv): Remove analysed field.
1057 (iv_get_reaching_def): Removed.
1058 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1059 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1060 (loop-iv.o): Add df.h and hashtab.h dependency.
1061 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1063 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1065 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1067 (__floatundisf, __floatundidf): Likewise.
1068 * libgcc2.h (IS_IBM_EXTENDED): Define.
1070 2006-01-19 DJ Delorie <dj@redhat.com>
1072 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1074 2006-01-19 Paul Brook <paul@codesourcery.com>
1076 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1077 as nothrow when unwinding tables are disabled.
1079 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1082 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1083 of bit-field" when in system header.
1085 2006-01-19 DJ Delorie <dj@redhat.com>
1087 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1088 the 16 bit shift limit of the m16c.
1090 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1093 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1094 * config/i386/i386.c (output_set_got): Output the label if we have one
1095 for the TARGET_DEEP_BRANCH_PREDICTION case.
1097 2006-01-19 Jan Hubicka <jh@suse.cz>
1098 H.J. Lu <hongjiu.lu@intel.com>
1099 Evandro Menezes <evandro.menezes@amd.com>
1101 * invoke.texi (generic): Document
1103 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1104 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1105 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1106 (x86_use_incdec, x86_pad_returns): New variables
1107 (TARGET_CPU_DEFAULT_generic): New constant
1108 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1109 (enum processor_type): Add generic32 and generic64.
1110 * i386.md (cpu attribute): Add generic32/generic64
1111 (movhi splitter): Behave sanely when both partial_reg_dependency and
1112 partial_reg_stall are set.
1113 (K8 splitters): Enable for generic as well.
1114 * predicates.md (incdec_operand): Use TARGET_INCDEC
1115 (aligned_operand): Avoid memory mismatch stalls.
1116 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1117 * ppro.md: Enable for generic32
1118 * i386.c (generic64_cost, generic32_cost): New.
1119 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1120 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1121 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1122 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1123 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1124 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1125 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1126 x86_accumulate_outgoing_args, x86_prologue_using_move,
1127 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1128 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1130 (x86_use_incdec, x86_pad_returns): New.
1131 (override_options): Add generic32 and generic64, translate "generic"
1132 to generic32/generic64 and "i686" to "generic32", refuse
1133 "generic32"/"generic64" as arch target.
1134 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1135 (ix86_reorg): Honor PAD_RETURNS.
1137 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1139 * tree-pretty-print.c (dump_generic_node): Handle
1140 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1141 * cgraph.c (cgraph_expand_queue): Rename from
1142 cgraph_analyze_queue. Update all users.
1143 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1144 cgraph_expand_queue.
1145 (cgraph_expand_all_functions): Likewise.
1146 (cgraph_finalize_pending_functions): Remove. Update callers.
1148 * tree.h (OMP_DIRECTIVE_P): Define.
1149 (OMP_PARALLEL_FN): Define.
1150 (OMP_PARALLEL_DATA_ARG): Define.
1151 (OMP_SECTIONS_SECTIONS): Define.
1152 * tree-pass.h (pass_expand_omp): Declare.
1153 * omp-low.c (struct omp_region): Declare.
1154 (struct omp_context): Remove fields 'parallel_type',
1155 'parallel_start_ix' and 'parallel_start_additional_args'.
1157 (struct omp_for_data): Rename from struct expand_omp_for_data.
1158 (omp_regions): New static variable.
1159 (root_omp_region): New static variable.
1160 (find_omp_clause): Make static.
1161 (is_in_combined_parallel_ctx): Remove.
1162 (is_combined_parallel): New.
1163 (extract_omp_for_data): Move earlier in the file.
1164 (workshare_safe_to_combine_p): New.
1165 (get_ws_args_for): New.
1166 (determine_parallel_type): Move earlier in the file.
1167 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1169 (omp_copy_decl): Likewise.
1170 (create_omp_child_function): Likewise.
1171 (lookup_omp_region): New.
1172 (dump_omp_region): New.
1173 (debug_omp_region): New.
1174 (debug_all_omp_regions): New.
1175 (new_omp_region): New.
1176 (scan_omp_parallel): If parallel_nesting_level > 1, the
1177 directive is nested within another parallel directive.
1178 Set OMP_PARALLEL_FN.
1179 (scan_omp_for): Do not try to handle combined parallel+for
1181 Remove FIXME comment.
1182 (scan_omp_nested): Remove.
1183 (scan_omp_1): Do not call scan_omp_nested when
1184 parallel_nesting_level is > 1.
1185 Do not change the DECL_CONTEXT of local variables found.
1186 (lookup_decl_in_outer_ctx): New.
1187 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1188 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1189 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1190 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1191 If CTX is nested, lookup VAR in the outer context when
1192 building copy assignment.
1193 (lower_send_clauses): Rename from expand_send_clauses.
1194 If CTX is nested, lookup VAR in the outer context when
1195 building copy assignments.
1196 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1197 If CTX is nested, lookup VAR in the outer context when
1198 building copy assignments.
1199 (expand_parallel_call): Rename from build_parallel_call.
1200 Handle combined parallel+workshare cases.
1201 Re-implement to emit code into the CFG.
1203 (expand_omp_parallel): Re-implement to emit code into the CFG.
1204 Call move_sese_region_to_fn to outline the sub-graph
1205 containing the parallel region.
1206 (expand_omp_for_1): Remove.
1207 (expand_omp_for_generic): Re-implement to emit code into the
1209 (expand_omp_for_static_nochunk): Likewise.
1210 (expand_omp_for_static_chunk): Likewise.
1211 (expand_omp_for): Likewise.
1212 (expand_omp_sections): Likewise.
1213 (remove_exit_barriers): New.
1214 (expand_omp_synch): New.
1216 (build_omp_regions_1): New.
1217 (build_omp_regions): New.
1218 (execute_expand_omp): New.
1219 (gate_expand_omp): New.
1220 (pass_expand_omp): Define.
1221 (lower_omp_sections): Rename from expand_omp_sections.
1222 Set OMP_SECTIONS_SECTIONS.
1223 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1224 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1225 (lower_omp_single): Rename from expand_omp_simple.
1226 (lower_omp_master): Rename from expand_omp_master.
1227 (lower_omp_ordered): Rename from expand_omp_ordered.
1228 (lower_omp_critical): Rename from expand_omp_critical.
1229 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1230 (lower_omp_for): Re-implement.
1231 (lower_omp_parallel): Re-implement.
1232 (lower_regimplify): Rename from expand_regimplify.
1233 (lower_omp_1): Rename from expand_omp_1.
1234 If there are syntax errors in the program, replace every
1235 OpenMP directive with NOP.
1236 Call lower_omp_* instead of expand_omp_*.
1237 (lower_omp): Rename from expand_omp.
1239 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1240 * tree-gimple.h (enum omp_parallel_type): Remove.
1241 (gimple_boolify): Declare extern.
1242 (find_omp_clause, determine_parallel_type): Remove.
1244 * gimple-low.c (lower_omp_directive): New.
1245 (lower_stmt): Call it.
1246 (record_vars_into): Move from ...
1247 (record_vars): ... here.
1248 Call record_vars_into with current_function_decl.
1250 * gimplify.c (struct gimplify_ctx): Remove fields
1251 combined_pre_p and combined_ctxp. Update users.
1252 (get_formal_tmp_var): Add documentation.
1253 (gimple_boolify): Make extern.
1254 (gimplify_expr_in_ctx): Remove. Update callers.
1255 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1256 will always be a BIND_EXPR.
1257 (gimplify_expr): Handle OMP_RETURN_EXPR.
1258 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1259 (OMP_PARALLEL): Add 3 operands.
1260 (OMP_SECTIONS): Add 1 operand.
1261 (OMP_RETURN_EXPR): Define.
1263 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1264 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1265 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1266 creating a circular free list.
1267 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1269 * tree-flow.h (move_sese_region_to_fn): Declare.
1270 (record_vars_into): Declare.
1271 * tree-cfg.c (make_omp_sections_edges): New.
1272 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1273 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1274 OMP_SECTIONS and OMP_SECTION.
1275 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1276 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1277 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1278 (gather_blocks_in_sese_region): New.
1279 (struct move_stmt_d): Declare.
1281 (move_block_to_fn): New.
1282 (move_sese_region_to_fn): New.
1284 * passes.c (init_optimization_passes): Schedule
1285 pass_expand_omp after pass_init_datastructures.
1287 * tree-ssa-operands.c (get_expr_operands): Handle
1288 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1289 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1291 2006-01-19 Jeff Law <law@redhat.com>
1293 * tree-vrp.c (extract_range_from_assert): Refine the result range
1294 if the variable referenced by the ASSERT_EXPR has a range and
1295 either the tentative result range or the previous range is a
1298 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1300 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1302 2006-01-19 Jan Hubicka <jh@suse.cz>
1304 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1306 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1308 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1309 (expand_compound_operation, expand_field_assignment): Fail if the
1310 bit lengths of an extract operation are out of range.
1311 (make_extraction): Compute wanted_inner_mode based on the position
1312 and length of the extraction. Make it extraction_mode for non-constant
1313 positions, and do not modify offset in that case. When generating a
1314 new MEM, use a mode that can hold the extraction while keeping correct
1315 alignment. Remove code that supported MEMs wrapped by USEs.
1316 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1318 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1320 * config/s390/s390.md ("Y", "y"): New mode attribute.
1321 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1322 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1323 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1324 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1325 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1326 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1327 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1328 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1329 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1330 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1331 "addsi3", "subsi3"): Insn patterns removed.
1332 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1333 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1334 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1335 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1336 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1337 "*sub<mode>3_cconly2"): New insn patterns.
1338 ("addsi3", "subsi3"): New expanders.
1340 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1342 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1343 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1344 existing STMT_VINFO_VECTYPE if available.
1345 (vect_mark_relevant): Add special handling for stmts that are
1346 marked as STMT_VINFO_IN_PATTERN_P.
1347 (vect_analyze_loop): Call vect_pattern_recog.
1348 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1349 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1351 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1352 (vect_recog_func_ptr): New function-pointer type.
1353 * tree-vect-patterns.c: New file.
1354 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1355 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1356 (vect_pattern_recog_1): New functions.
1357 (vect_pattern_recog_funcs): New array of function pointers.
1359 * tree-vectorizer.h (ternary_op): New enum value.
1360 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1361 declaration. Revised documentation. Removed redundant dump prints.
1362 Removed redundant argument. Added support for reduction patterns.
1363 (vectorizable_reduction): Added support for reduction patterns.
1364 (vect_transform_stmt): Added support for patterns.
1366 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1367 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1368 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1369 (expand_widen_pattern_expr): New function.
1370 (init_optabs): Initialize new optabs udot_prod_optab,
1372 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1373 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1374 (expand_widen_pattern_expr): New function declaration.
1375 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1377 * tree-inline.c (estimate_num_insns_1): Added cases for new
1378 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1379 * tree-pretty-print.c (dump_generic_node): Likewise.
1380 (op_prio): Likewise.
1381 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1382 * tree-ssa-operands.c (get_expr_operands): Added case for
1384 * tree-vect-patterns.c (widened_name_p): New function.
1385 (vect_recog_dot_prod_pattern): Added function implementation.
1386 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1387 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1388 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1389 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1391 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1392 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1393 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1394 (init_optabs): Initialize new optabs widen_ssum_optab,
1396 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1397 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1398 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1399 use instead of type of def.
1400 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1401 function implementation.
1402 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1403 widen_ssumv8hi): New.
1405 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1408 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1411 * c-decl.c (add_flexible_array_elts_to_size): New function.
1412 (finish_decl): Use it.
1414 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1416 * diagnostic.h: Include options.h.
1417 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1418 dependancies for diagnostic.h.
1419 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1421 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1423 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1424 (ssa_ro_call_cache_valid): Ditto.
1425 * tree-ssa-alias.c (sort_tags_by_id): New function.
1426 (init_transitive_clobber_worklist): Ditto.
1427 (add_to_worklist): Ditto.
1428 (mark_aliases_call_clobbered): Ditto.
1429 (compute_tag_properties): Ditto.
1430 (set_initial_properties): Ditto.
1431 (compute_call_clobbered): Ditto.
1432 (compute_may_aliases): Call compute_call_clobbered and grouping.
1433 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1434 (compute_flow_insensitive_aliasing): Grouping now happens in our
1436 (setup_pointers_and_addressables): Remove clobbering related code.
1437 (add_may_alias): Ditto.
1438 (replace_may_alias): Ditto.
1439 (get_nmt_for): Ditto.
1440 (create_global_var):
1441 (is_escape_site): Return an escape_type enumeration.
1442 * tree-flow-inline.h (is_call_clobbered): Global var does not
1443 imply call clobbered.
1444 (mark_call_clobbered): Take a reason for marking this. Remove
1445 marking of globalness, and cache invalidation.
1446 (clear_call_clobbered): Remove cache invalidation code.
1447 * tree-dfa.c (dump_variable): If details is on, dump the reason
1449 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1451 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1452 (struct var_ann_d): Ditto.
1453 (enum escape_type): New.
1454 (mark_call_clobbered): Adjust prototype.
1455 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1456 are never call clobbered.
1457 Record reasons for escaping.
1458 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1459 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1460 (ssa_ro_call_cache_valid): Ditto.
1461 (clobbered_v_may_defs): Ditto.
1462 (clobbered_vuses): Ditto.
1463 (ro_call_vuses): Ditto.
1464 (clobber_stats): New.
1465 (init_ssa_operands): Zero out clobber stats.
1466 (fini_ssa_operands): Print out clobber stats.
1467 (get_call_expr_operands): Pass callee fndecl to
1469 (add_call_clobber_ops): Remove use of cache.
1470 Add use of PURE_CONST information.
1471 (add_call_read_ops): Remove use of cache.
1472 Add use of static not_read information.
1474 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1476 Introduce TLS descriptors for i386 and x86_64.
1477 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1478 (TARGET_ANY_GNU_TLS): New macro.
1479 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1480 (struct machine_function): Add tls_descriptor_call_expanded_p.
1481 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1482 (ix86_current_function_calls_tls_descriptor): Likewise.
1483 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1484 (override_options): Introduce gnu2 tls dialect.
1485 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1487 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1489 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1490 (ix86_init_machine_status): Initialize new field.
1491 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1492 (ix86_tls_module_base): New.
1493 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1494 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1495 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1496 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1497 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1498 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1499 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1500 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1501 * config/i386/predicates.md (tls_modbase_operand): New.
1502 (tp_or_register_operand): New.
1504 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1506 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1507 (look_for_address_of): Ditto.
1508 (ipa_init): Walk the function decls.
1509 (static_execute): Don't set readonly on FUNCTION_DECL's.
1511 2006-01-18 Roger Sayle <roger@eyesopen.com>
1513 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1514 for shifts where the source and destination registers are different.
1516 2006-01-18 Paul Brook <paul@codesourcery.com>
1518 Merge from csl-arm-branch.
1519 2005-03-14 Julian Brown <julian@codesourcery.com>
1520 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1521 (aeabi_llsl): Likewise.
1522 (ashrdi3): Likewise.
1523 (aeabi_lasr): Likewise.
1524 (lshrdi3): Likewise.
1525 (aeabi_llsr): Likewise.
1526 2005-03-10 Julian Brown <julian@codesourcery.com>
1527 * config.gcc: Disable shared libgcc for SymbianOS.
1528 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1530 2006-01-18 DJ Delorie <dj@redhat.com>
1532 * c-pragma.c (handle_pragma_diagnostic): New.
1533 (init_pragma): Register it.
1534 * doc/extend.texi: Document it.
1536 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1537 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1538 (diagnostic_context): Add classify_diagnostic[].
1539 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1540 as errors if they're overridden to DK_WARNING.
1541 (diagnostic_initialize): Initialize classify_diagnostic[].
1542 (diagnostic_set_kind_override): New.
1543 (diagnostic_report_diagnostic): Check for kind changes.
1544 * opts.c (common_handle_option): Take lang_mask. Update callers.
1546 * common.opt (Werror=): New.
1547 * doc/invoke.texi: Document -Werror=*
1549 2006-01-18 Jeff Law <law@redhat.com>
1551 * tree-vrp.c (test_for_singularity): Correct test for new
1552 min limit. Use operand_equal_p rather than pointer equality
1553 for testing if new min/max values are equal.
1555 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1556 using range information until after propagation and folding.
1558 2006-01-18 Richard Henderson <rth@redhat.com>
1559 Aldy Hernandez <aldyh@redhat.com>
1560 Jakub Jelinek <jakub@redhat.com>
1561 Diego Novillo <dnovillo@redhat.com>
1563 * omp-low.c: New file.
1564 * c-omp.c: New file.
1566 2006-01-18 Richard Henderson <rth@redhat.com>
1567 Jakub Jelinek <jakub@redhat.com>
1568 Diego Novillo <dnovillo@redhat.com>
1570 * doc/invoke.texi: Document -fopenmp.
1571 * tree-dump.h (debug_function): Declare.
1572 * hooks.c (hook_bool_tree_bool_false): New function.
1573 (hook_tree_tree_null): Remove.
1574 (hook_tree_tree_tree_null): New.
1575 * hooks.h: Update to match.
1576 * tree-pretty-print.c (debug_tree_chain): New.
1577 (print_generic_expr): Handle TDF_CHAIN.
1578 (dump_generic_node): Handle BLOCK.
1579 Do not abort with incomplete SWITCH_EXPRs.
1580 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1581 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1582 print space after directive name.
1583 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1584 Handle OMP_MASTER and OMP_ORDERED.
1585 Handle printing of OMP_BODY just in one place, goto
1586 dump_omp_body in the rest of OMP_* nodes that have
1588 Don't handle clause nodes here. Update omp statements to
1589 use dump_omp_clauses.
1590 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1591 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1592 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1593 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1594 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1595 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1596 Adjust output for GOMP_PARALLEL.
1597 (dump_omp_clauses): New.
1598 (print_declaration): Dump DECL_VALUE_EXPR.
1599 (op_symbol_1): Split out of op_symbol.
1600 (dumping_stmts): Remove. Update all users.
1601 * cgraph.c (cgraph_analyze_queue): New.
1602 (cgraph_add_new_function): New.
1603 * cgraph.h (cgraph_analyze_queue): Declare.
1604 (cgraph_add_new_function): Declare.
1605 (cgraph_lower_function): Remove.
1606 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1607 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1608 and TYPE_P nodes in its default clause.
1609 (empty_body_p): New.
1610 (tree_range_check_failed): New.
1612 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1613 OMP_CLAUSE_REDUCTION_MERGE,
1614 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1615 OMP_CLAUSE_PRIVATE_DEBUG,
1616 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1617 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1618 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1619 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1620 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1621 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1622 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1623 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1624 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1625 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1626 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1627 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1628 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1629 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1630 (TREE_RANGE_CHECK): New.
1631 (empty_body_p): Declare.
1632 (enum omp_clause_default_kind): New.
1633 (build_string_literal): Declare.
1634 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1635 (build5_stat, build5): Declare.
1636 * tree-pass.h (TDF_CHAIN): Define.
1637 * tree-pass.h (PROP_gimple_lomp): Define.
1638 (pass_lower_omp): Declare.
1639 * diagnostic.h (debug_tree_chain): Declare.
1640 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1642 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1643 * builtins.c (build_string_literal): Make extern.
1644 * gcc.c (include_spec_function): New.
1645 (static_spec_functions): Add it.
1646 (main): Move load of libgomp.spec ...
1647 (LINK_COMMAND_SPEC): ... here.
1648 (link_gomp_spec): New.
1649 (static_specs): Include it.
1650 (LINK_COMMAND_SPEC): Add link_gomp.
1651 (GOMP_SELF_SPECS): New.
1652 (driver_self_specs): Include it.
1653 (switch_matches): Don't mark inline.
1654 (main): Load libgomp.spec.
1655 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1656 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1657 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1658 * tree-gimple.h (enum omp_parallel): Declare.
1659 (determine_parallel_type): Declare.
1660 (omp_firstprivatize_variable): Declare.
1661 (omp_reduction_init): Declare.
1662 (diagnose_omp_structured_block_errors): Declare.
1663 (struct walk_stmt_info): Add want_return_expr.
1664 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1665 (find_omp_clause): Declare.
1666 (insert_field_into_struct): Declare.
1667 (struct walk_stmt_info): Move from tree-nested.c
1668 (walk_stmts): Declare.
1669 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1671 * cgraphunit.c (cgraph_lower_function): Make static.
1672 (cgraph_finalize_pending_functions): New.
1673 (cgraph_finalize_function): Call it.
1674 (cgraph_finalize_compilation_unit): Likewise.
1675 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1676 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1677 (BT_FN_UINT_UINT): New.
1678 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1679 DEF_FUNCTION_TYPE_VAR_4): Document.
1680 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1681 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1682 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1683 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1684 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1685 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1686 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1687 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1688 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1689 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1690 into separate files.
1691 (DEF_GOMP_BUILTIN): New.
1692 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1693 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1694 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1695 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1696 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1697 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1698 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1699 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1700 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1701 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1702 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1703 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1704 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1705 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1706 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1707 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1708 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1709 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1710 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1711 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1712 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1713 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1714 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1715 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1716 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1717 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1718 * sync-builtins.def: New file, moved from builtins.def.
1719 * omp-builtins.def: New file, moved from builtins.def.
1720 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1721 * gimple-low.c (lower_function_body): Clear data.
1722 (lower_stmt): Do not handle COMPOUND_EXPR.
1723 Remove call to print_node_brief.
1724 * c-tree.h (c_finish_omp_clauses): New prototype.
1725 (C_DECL_THREADPRIVATE_P): Define.
1726 (lookup_name_no_remap, c_omp_remap_private): Remove
1727 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1728 (check_for_loop_decls): Update decl.
1729 (lookup_name_no_remap, c_omp_remap_private): Declare.
1730 (build_indirect_ref, build_modify_expr, pushdecl,
1731 pushdecl_top_level): Move to c-common.h.
1732 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1733 before the switch, but just in the 2 places that need it.
1734 * c-decl.c (diagnose_mismatched_decls): Do not check for
1735 mismatched thread-local attributes when OLDDECL is marked
1736 threadprivate and NEWDECL has no thread-local attributes.
1737 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1738 (c_gimple_diagnostics_recursively): Rename from
1739 c_warn_unused_result_recursively. Invoke
1740 diagnose_omp_structured_block_errors.
1741 (check_for_loop_decls): Return a singular decl found.
1742 * langhooks.c (lhd_omp_predetermined_sharing): Return
1743 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1744 (lhd_omp_firstprivatize_type_sizes): New.
1745 (lhd_omp_assignment): New.
1746 (lhd_omp_predetermined_sharing): New.
1747 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1748 (struct lang_hooks_for_types): Add
1749 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1750 omp_predetermined_sharing, omp_disregard_value_expr,
1751 omp_private_debug_clause, omp_clause_default_ctor,
1752 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1753 (c_finish_omp_clauses): New.
1754 (c_finish_bc_stmt): Diagnose break within omp for.
1755 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1756 (build_unary_op): Return error_mark after reporting
1758 (build_modify_expr): Likewise.
1759 * gimplify.c: Include optabs.h and pointer-set.h.
1760 (enum gimplify_omp_var_data): Declare.
1761 (struct gimplify_omp_ctx): Declare.
1762 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1764 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1765 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1766 (splay_tree_compare_decl_uid): New.
1767 (new_omp_context): New.
1768 (delete_omp_context): New.
1769 (gimple_add_tmp_var): Call omp_add_variable.
1770 (gimplify_bind_expr): Likewise.
1771 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1772 true, disregard DECL_VALUE_EXPR on the decl if any.
1773 (gimplify_expr_in_ctx): New.
1774 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1775 omp_add_variable, omp_notice_variable, omp_is_private
1776 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1777 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1778 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1779 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1780 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1781 gimplify_omp_atomic): New.
1782 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1783 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1784 OMP_CRITICAL and OMP_ATOMIC.
1785 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1786 * c-pragma.h (enum pragma_kind): Add
1787 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1788 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1789 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1790 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1791 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1792 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1793 PRAGMA_OMP_THREADPRIVATE.
1794 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1795 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1796 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1797 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1798 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1799 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1800 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1801 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1802 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1803 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1804 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1805 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1806 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1808 (struct nesting_info): Add field_map,
1809 suppress_expansion, debug_var_chain.
1810 (create_nesting_tree): Initialize them.
1811 (lookup_field_for_decl): Use field_map.
1812 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1813 (convert_local_omp_clauses): New.
1814 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1815 (walk_body): Split out of walk_function.
1816 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1817 (convert_nonlocal_reference): Handle omp statements.
1818 (convert_local_reference): Likewise.
1819 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1820 (unnest_nesting_tree): New.
1821 (lower_nested_functions): Call it.
1822 (insert_field_into_struct): Make extern.
1823 (struct walk_stmt_info): Move to tree-gimple.h.
1824 (walk_stmts): Make extern.
1825 * omp-builtins.def: New file.
1826 * tree-iterator.c (expr_only): Clarify comment.
1827 * c-common.h (pushdecl_top_level, pushdecl,
1828 build_modify_expr, build_indirect_ref,
1829 c_finish_omp_master, c_finish_omp_critical,
1830 c_finish_omp_ordered, c_finish_omp_barrier,
1831 c_finish_omp_atomic, c_finish_omp_flush,
1832 c_finish_omp_for, c_split_parallel_clauses,
1833 omp_clause_default_kind, c_omp_sharing_predetermined,
1834 c_omp_remap_decl): Declare.
1835 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1836 (OBJS-common): Add omp-low.o.
1837 (c-omp.o, omp-low.o): Add.
1838 (gimplify.o): Add dependency on $(OPTABS_H).
1839 (GTFILES): Add omp-low.c.
1840 (gt-stringpool.h): Add.
1841 * tree-cfg.c (set_bb_for_stmt): Do not update the
1842 block-to-labels map if we are currently expanding to RTL.
1843 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1845 Handle IDENTIFIER_NODE.
1846 (tree_verify_flow_info): Do not ICE when emitting error
1847 messages about invalid labels.
1848 (dump_function_to_file): Reset CFUN before emitting the body
1850 (debug_function): New.
1851 * passes.c (init_optimization_passes): Schedule
1853 * langhooks-def.h (lhd_omp_predetermined_sharing,
1854 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1856 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1857 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1858 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1859 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1860 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1861 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1862 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1863 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1864 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1865 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1866 (LANG_HOOK_DECLS): Use them.
1868 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1869 Richard Henderson <rth@redhat.com>
1870 Jakub Jelinek <jakub@redhat.com>
1871 Diego Novillo <dnovillo@redhat.com>
1873 * c-parser.c (pragma_omp_clause): Define.
1874 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1875 (c_parser_compound_statement): Likewise.
1876 (c_parser_statement): Likewise.
1877 (c_parser_pragma): Handle omp pragmas.
1878 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1879 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1880 (c_parser_omp_clause_name, check_no_duplicate_clause,
1881 c_parser_omp_variable_list,
1882 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1883 c_parser_omp_clause_copyprivate,
1884 c_parser_omp_clause_default,
1885 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1886 c_parser_omp_clause_lastprivate,
1887 c_parser_omp_clause_nowait,
1888 c_parser_omp_clause_num_threads,
1889 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1890 c_parser_omp_clause_reduction,
1891 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1892 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1893 c_parser_omp_atomic, c_parser_omp_barrier,
1894 c_parser_omp_critical, c_parser_omp_flush,
1895 c_parser_omp_for_loop, c_parser_omp_for,
1896 c_parser_omp_master, c_parser_omp_ordered,
1897 c_parser_omp_sections_scope, c_parser_omp_sections,
1898 c_parser_omp_parallel, c_parser_omp_single,
1899 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1900 * c-pragma.c (init_pragma): Do omp pragma registration here.
1901 * c.opt (fopenmp): New flag.
1903 2006-01-18 Eric Christopher <echristo@apple.com>
1905 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1906 * config/darwin.h (GOMP_SELF_SPECS): Define.
1908 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1910 * rtl.h: Remove the prototype for reg_alloc.
1912 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1915 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1916 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1917 sjlj and dwarf2 exception handling.
1918 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1919 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1920 * pa/pa.c (function_value): Treat complex and vector types as
1922 (function_arg): Likewise. Only pass scalar floats in the floating
1923 point argument registers.
1924 * pa/t-slibgcc-dwarf-ver: New file.
1925 * pa/t-slibgcc-sjlj-ver: New file.
1926 * pa/t-slibgcc-elf-ver: Delete file.
1928 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1930 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1931 unlikely_test_section_p test.
1933 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1935 * mode-switching.c (optimize_mode_switching): Make it static.
1936 * basic-block.h: Remove the prototype for
1937 optimize_mode_switching.
1939 * modulo-sched.c (sms_schedule): Make it static.
1940 * rtl.h: Remove the prototype for sms_schedule.
1942 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1943 * rtl.h: Remove the prototype for gcse_after_reload_main.
1945 * reg-stack.c (reg_to_stack): Make it static.
1946 * rtl.h: Remove the prototype for reg_to_stack.
1948 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1950 * rtl.h: Remove the prototypes for regrename_optimize and
1951 copyprop_hardreg_forward.
1953 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1955 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1956 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1957 Test against the appropriate null constant for the mode.
1958 If 'fixup_overlap' is true, swap the operands if they overlap.
1959 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1960 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1961 alpha_split_tmode_pair and adjust for above change.
1962 * config/alpha/alpha.md (movtf_internal): Adjust call to
1963 alpha_split_tfmode_pair and rely on it to swap the operands.
1964 (movti_internal): New insn and post-reload splitter.
1965 (movti): New expander.
1967 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1969 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1972 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1974 * rtlanal.c (global_reg_mentioned_p_1,
1975 global_reg_mentioned_p): Remove.
1976 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1978 * flow.c (initialize_uninitialized_subregs): Make it static.
1979 * rtl.h: Remove the prototype for
1980 initialize_uninitialized_subregs.
1982 * function.c (instantiate_virtual_regs): Make it static.
1983 * function.h: Remove the prototype for
1984 instantiate_virtual_regs.
1986 * regmove.c (regmove_optimize, combine_stack_adjustments):
1988 * rtl.h: Remove the prototypes for regmove_optimize and
1989 combine_stack_adjustments.
1991 2006-01-17 Roger Sayle <roger@eyesopen.com>
1993 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1994 (size_cost): Encode costs in bytes so that a reg-reg addition is
1995 equivalent to COSTS_N_INSNS(1).
1996 (override_options): Use the size_cost.branch_cost as the default
1997 ix86_branch_cost when optimizing for size.
1999 2006-01-18 Ben Elliston <bje@au.ibm.com>
2001 * Makefile.in (D32PBIT_FUNCS): New.
2002 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2003 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2004 D64PBIT_FUNCS and D128PBIT_FUNCS.
2005 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2006 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2008 (decnumber_dep): Define.
2009 * doc/libgcc.texi (Decimal float library routines): New node.
2010 * config/dfp-bit.h, config/dfp-bit.c: New files.
2012 2006-01-18 Ben Elliston <bje@au.ibm.com>
2014 * expr.c (emit_move_change_mode): Always adjust addresses, not
2015 just during reload. Copy replacements only during reload.
2016 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2017 emit_move_via_integer.
2019 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2021 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2022 instead of $(srcdir) and ${srcdir}.
2024 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2028 * arm.h (struct machine_function): Add pic_reg.
2029 * arm.c (arm_pic_register): Make unsigned.
2030 (arm_override_options): Only set arm_pic_register if
2031 TARGET_SINGLE_PIC_BASE.
2032 (use_return_insn): Only test for a pic register if it is fixed.
2033 (arm_compute_save_reg0_reg12_mask): Likewise.
2034 (thumb_compute_save_reg_mask): Likewise.
2035 (legitimate_pic_operand): Factor out some known invariants.
2036 (legitimize_pic_address): If we don't have a fixed pic register,
2037 then set up a pseudo in the function entry sequence. Handle the
2038 pic base being in a pseudo.
2039 (arm_load_pic_register): Handle the pic register being in a pseudo.
2040 (arm_expand_prologue): Only set up the pic register if it is fixed.
2041 (thumb_expand_prologue): Likewise.
2042 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2043 (pic_load_addr_based_insn): Likewise.
2044 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2047 2006-01-18 Ben Elliston <bje@au.ibm.com>
2049 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2050 decimal float modes for all floating point registers.
2052 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2053 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2055 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2058 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2059 even when the pointer is not NULL.
2061 2006-01-16 Ian Lance Taylor <ian@airs.com>
2063 * common.opt (ftoplevel-reorder): New option.
2064 * cgraph.c (cgraph_asm_nodes): New global variable.
2065 (cgraph_asm_last_node): New static variable.
2066 (cgraph_order): New global variable.
2067 (cgraph_create_node): Set new order field.
2068 (cgraph_varpool_node): Likewise.
2069 (decide_is_variable_needed): Return true if not
2070 flag_toplevel_reorder.
2071 (cgraph_add_asm_node): New function.
2072 * cgraph.h (struct cgraph_node): Add order field.
2073 (struct cgraph_varpool_node): Add order field.
2074 (struct cgraph_asm_node): Define.
2075 (cgraph_asm_nodes, cgraph_order): Declare.
2076 (cgraph_add_asm_node): Declare.
2077 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2079 (cgraph_varpool_assemble_pending_decls): Call it.
2080 (cgraph_output_pending_asms): New static function.
2081 (cgraph_finalize_compilation_unit): Call it.
2082 (struct cgraph_order_sort): Define.
2083 (cgraph_output_in_order): New static function.
2084 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2085 !flag_toplevel_reorder case.
2086 * c-parser.c: Include "cgraph.h".
2087 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2089 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2090 than -fno-unit-at-a-time.
2091 * doc/invoke.texi (Option Summary): Mention
2092 -fno-toplevel-reorder.
2093 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2094 -funit-at-a-time documentation.
2096 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2097 Kazu Hirata <kazu@codesourcery.com>
2099 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2101 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2103 * Makefile.in (FUNCTION_H): New. Use it instead of
2104 function.h throughout the file.
2105 * function.h: Include tree.h.
2107 2006-01-17 Ben Elliston <bje@au.ibm.com>
2109 * recog.c: Separate some functions with whitespace.
2111 2006-01-16 Richard Henderson <rth@redhat.com>
2113 Merge from gomp branch:
2114 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2115 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2116 and rename from struct inline_data. Rename callee* to dst*;
2117 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2118 transform_new_cfg, transform_return_to_modify, and
2119 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2121 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2122 (copy_decl_for_dup): Remove.
2123 * tree-inline.c (struct inline_data): Move to header.
2124 (insert_decl_map): Export.
2125 (remap_decl): Update for member name changes. Use copy_decl hook.
2126 Allow for replacement to be a non-decl. Remove dead code.
2127 (remap_type_1): Check for existing mapping.
2128 (remap_type): Export.
2129 (remap_decls): Update for member name changes.
2130 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2131 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2132 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2133 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2134 (tree_function_versioning, build_duplicate_type): Likewise.
2135 (copy_body_r): Likewise. Export.
2136 (copy_decl_for_dup): Split into ...
2137 (copy_decl_for_dup_finish, copy_decl_to_var,
2138 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2139 (replace_ref_tree, inlining_p): Remove.
2141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2143 * ifcvt.c (if_convert): Make it static.
2144 * rtl.h: Remove the prototype for if_convert.
2146 * local-alloc.c (local_alloc): Make it static.
2147 * rtl.h: Remove the prototype for local_alloc.
2149 * loop.c (loop_optimize): Make it static.
2150 * cfgloop.h: Remove the prototype for loop_optimize.
2153 2006-01-16 DJ Delorie <dj@redhat.com>
2155 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2158 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2160 * pa.md: Disparage copies between general and floating-point registers
2161 in 32-bit move patterns.
2163 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2166 * Makefile.in (check-%): Depend on site.exp instead of
2167 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2170 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2172 * global.c (global_alloc): Make it static.
2173 * rtl.h: Remove the prototype for global_alloc.
2175 2006-01-16 Richard Guenther <rguenther@suse.de>
2177 * tree-ssa-alias.c (struct used_part): Add write_only field.
2178 (get_or_create_used_part_for): Initialize it to true.
2179 (create_overlap_variables_for): Don't create structure variables
2180 for structures that only are written to.
2181 (find_used_portions): Handle MODIFY_EXPR to track whether a
2182 structure is only written to.
2184 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2186 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2188 * basic-block.h: Remove the prototype for
2189 partition_hot_cold_basic_blocks.
2191 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2193 * cppspec.c (lang_specific_spec_functions): Remove.
2194 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2195 * gcc.h (lang_specific_spec_functions): Remove.
2196 * gccspec.c (lang_specific_spec_functions): Remove.
2198 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2200 * combine.c (record_value_for_reg): Invalidate registers
2202 (record_dead_and_set_regs_1): Likewise, by passing them to
2203 record_value_for_reg.
2204 (record_dead_and_set_regs): Invalidate stores made by a
2205 call. We do not combine across a call, but we still
2206 relied on equivalences.
2208 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2210 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2211 vrp_int_const_binop returning non-constant nodes.
2213 2006-01-16 Paul Brook <paul@codesourcery.com>
2215 * config/m68k/m68k.c (output_move_const_into_data_reg):
2216 Output correct mnemonic for mvz and mvs.
2218 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2220 * rtl-factoring.c: Add sequence abstraction algorithm.
2221 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2222 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2224 (block_has_preserve_label): New function.
2225 * common.opt: Register new pass.
2226 * Makefile.in: Ditto.
2228 * timevar.def: Ditto.
2229 * tree-pass.h: Ditto.
2230 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2231 * rtl.h (make_jump_insn_raw): Add forward decl.
2232 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2234 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2235 Roger Sayle <roger@eyesopen.com>
2237 * fold-const.c (fold_minmax): New static function.
2238 (fold_binary) <MIN_EXPR>: Call it.
2239 <MAX_EXPR>: Likewise.
2240 * stor-layout.c (place_field): Use DECL_SIZE consistently
2241 in the computation of the new record size.
2243 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2245 * cse.c (cse_condition_code_reg): Make it static.
2246 * rtl.h: Remove the prototype for cse_condition_code_reg.
2248 * combine.c (combine_instructions): Make it static.
2249 * rtl.h: Remove the prototype for combine_instructions.
2251 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2254 * tree.c (get_file_function_name_long): Concatenate the first global
2255 object name with a string derived from the input filename of the object
2258 2006-01-16 Ben Elliston <bje@au.ibm.com>
2260 * config/i386/winnt-stubs.c: Update FSF address.
2261 * config/xtensa/ieee754-df.S: Ditto.
2262 * config/xtensa/ieee754-sf.S: Ditto.
2264 2006-01-14 Ian Lance Taylor <ian@airs.com>
2266 * ifcvt.c (noce_init_if_info): New static function, broken out of
2267 noce_process_if_block.
2268 (noce_process_if_block): Call noce_init_if_info.
2269 (check_cond_move_block): New static function.
2270 (cond_move_process_if_block): New static function.
2271 (process_if_block): Call cond_move_process_if_block.
2273 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2275 * cselib.c (hash_table): Rename to cselib_hash_table.
2276 (cselib_clear_table, discard_useless_values,
2277 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2278 cselib_init, cselib_finish): Adjust uses of hash_table.
2280 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2282 PR tree-optimization/25485
2283 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2284 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2285 is known to be false and true, respectively.
2287 2006-01-14 Richard Guenther <rguenther@suse.de>
2289 PR tree-optimization/22548
2290 PR tree-optimization/22555
2291 PR tree-optimization/22501
2292 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2293 * params.def (salias-max-array-elements): New parameter.
2294 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2295 * doc/invoke.texi (salias-max-array-elements): Document.
2296 * tree-flow-inline.h (var_can_have_subvars): We also handle
2298 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2300 * tree-ssa-structalias.c (params.h): Include.
2301 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2302 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2303 (get_constraint_for): For ADDR_EXPR operating on something
2304 containing an ARRAY_REF, add all subvars to the solution.
2305 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2306 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2307 for creating MUST_DEFs.
2308 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2310 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2312 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2314 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2315 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2316 number_of_iterations_le): New functions.
2317 (number_of_iterations_special): Removed.
2318 (number_of_iterations_exit): Do not use number_of_iterations_special.
2319 * tree.c (unsigned_type_for): Always return integer type.
2321 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2322 Richard Guenther <rguenther@suse.de>
2324 PR rtl-optimization/24257
2325 * gcse.c (find_moveable_store): Only consider a store movable
2326 when the SET_SRC of the insn can be assigned to a register.
2328 2006-01-14 Ian Lance Taylor <ian@airs.com>
2330 * tree.c (tree_not_class_check_failed): New function.
2331 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2332 (tree_not_class_check_failed): Declare.
2334 2006-01-13 Ian Lance Taylor <ian@airs.com>
2336 * reload1.c (do_output_reload): Add assertion rejecting a
2339 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2341 * combine.c (struct reg_stat): Add new fields truncation_label and
2343 (record_value_for_reg): Reset truncated_to_mode.
2344 (record_truncated_value): New function.
2345 (check_promoted_subreg): Call it. Rename to check_conversions.
2346 (combine_instructions): Rename check_promoted_subreg to
2348 (reg_truncated_to_mode): New function.
2349 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2350 (gen_lowpart_or_truncate): New function.
2351 (force_to_mode): Use it instead of gen_lowpart.
2353 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2355 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2356 VAR is a tag, not its type tag.
2358 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2360 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2361 alternatives to match style of other entries.
2362 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2364 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2366 PR tree-optimization/25771
2367 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2370 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2373 * tree-inline.c (declare_return_variable): If the return variable
2374 was marked as a non gimple complex, set the return slot variable
2375 to be a non gimple comple variable.
2377 2006-01-13 Richard Guenther <rguenther@suse.de>
2379 * builtins.c (expand_builtin_sincos): New function.
2380 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2382 (expand_builtin): Expand sincos using expand_builtin_sincos.
2384 2006-01-12 DJ Delorie <dj@redhat.com>
2386 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2387 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2388 so that constant shifts can be split.
2389 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2390 (m32c_valid_pointer_mode): Make static.
2391 (shift_gen_func_for): New.
2392 (m32c_prepare_shift): Use it. Split large const shifts into
2394 * config/m32c/predicates.md (shiftcount_operand): Allow more
2396 (longshiftcount_operand): New.
2397 * doc/md.texi (Machine Constraints): Document In6.
2399 2006-01-13 Ben Elliston <bje@au.ibm.com>
2401 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2402 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2405 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2407 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2408 to try to avoid clobbering pieces of structures when we know
2409 something about the whole structure.
2410 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2412 2006-01-13 Ben Elliston <bje@au.ibm.com>
2414 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2415 return in memory, as this is no limitation is no longer present.
2417 2006-01-12 DJ Delorie <dj@redhat.com>
2419 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2420 mova with fb, and for fb+0 -> An.
2422 * config/m32c/mov.md (peephole2): Fix enabling logic.
2424 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2425 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2426 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2427 FINI_ARRAY_SECTION_ASM_OP): Define.
2429 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2431 (m32c_legitimize_reload_address): New logic to reload FB to An.
2432 (m32c_output_reg_push): Add newline.
2433 (m32c_output_reg_pop): Likewise.
2435 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2437 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2439 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2441 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2443 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2445 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2448 2006-01-11 Ben Elliston <bje@au.ibm.com>
2450 * rtlanal.c (find_reg_note): Assert insn is not null.
2452 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2454 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2457 2006-01-11 Jeff Law <law@redhat.com>
2459 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2461 (mark_threaded_blocks, register_jump_thread): New functions.
2462 (thread_through_all_blocks): Remove unwanted argument. No
2463 longer rely on e->aux to communicate thread target info.
2464 Call mark_threaded_blocks. Release the threaded_blocks
2465 bitmap and threaded_edges vector when complete.
2466 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2467 (threaded_blocks): Remove.
2468 (tree_ssa_dominator_optimize): Remove initialization and
2469 finalization of threaded_blocks. Simplify call to
2470 thread_through_all_blocks.
2471 (thread_across_edge): Call register_jump_thread rather than
2472 storing thread information into e->aux.
2473 (free_all_edge_infos): Simplify now that e->aux is no longer
2474 used to communicate with thread_through_all_blocks.
2475 * tree-flow.h (thread_through_all_blocks): Update prototype.
2476 (register_jump_thread): Prototype.
2478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2480 * df-core.c (df_compact_blocks, df_bb_replace): Use
2481 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2483 2006-01-11 Richard Guenther <rguenther@suse.de>
2485 PR tree-optimization/25734
2486 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2487 stop propagation after successful propagation to the LHS.
2489 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2491 * basic-block.h (control_flow_graph): Change the type of
2492 x_basic_block_info to VEC(basic_block,gc) *.
2493 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2495 (SET_BASIC_BLOCK): New.
2496 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2497 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2498 * cfgbuild.c (find_basic_blocks): Likewise.
2499 * cfglayout.c (fixup_reorder_chain): Likewise.
2500 * cfgrtl.c (create_basic_block_structure,
2501 rtl_create_basic_block): Likewise.
2502 * ifcvt.c (find_if_case_1): Likewise.
2503 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2506 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2508 * Makefile.in: Removed rotted odf.c entry.
2510 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2513 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2514 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2515 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2516 output pattern modifier, not %e.
2517 * config/cris/cris.c (cris_op_str): Update comment about pattern
2519 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2520 before falling through into...
2521 <case 'E'>: Redefined from old 'e' case.
2523 2006-01-11 Jan Hubicka <jh@suse.cz>
2526 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2528 2006-01-11 Jan Hubicka <jh@suse.cz>
2530 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2531 * i386.c (x86_decompose_lea): Kill.
2532 (ix86_rtx_costs): Kill.
2534 2006-01-11 Jan Hubicka <jh@suse.cz>
2536 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2537 * cgraph.h (cgraph_node): Add inline_decl.
2538 (cgraph_insert_node_to_hashtable): Declare.
2539 (save_inline_function_body): Declare.
2540 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2542 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2543 (cgraph_function_versioning): Update call of tree_function_versioning.
2544 (save_inline_function_body): New function.
2545 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2546 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2547 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2548 (cgraph_default_inline_p): Likewise.
2549 (cgraph_decide_inlining_incrementally): Likewise.
2550 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2551 (copy_bb): Kill saving; do updating of clones.
2552 (copy_cfg_body): Kill saving.
2553 (initialize_inlined-parameters): Likewise.
2554 (expand_call_inline): Likewise.
2556 (tree_function_versioning): New parameter "update_clones".
2557 (inlining_p): Kill saving.
2558 * tree-inline.h (tree_function_versioning): Update prototype.
2559 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2562 2006-01-11 Ian Lance Taylor <ian@airs.com>
2564 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2565 Allow undoing set of machine mode.
2566 (do_SUBST): Use enums instead of is_int.
2567 (do_SUBST_MODE): New function.
2568 (SUBST_MODE): New macro.
2569 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2570 reg and trying to replace reg_regno_rtx with a new register.
2571 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2572 (simplify_set): Use SUBST_MODE.
2573 (distribute_notes): Remove code that tried to update reg notes
2574 for regno_reg_rtx changes.
2576 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2578 PR tree-optimization/23109
2579 PR tree-optimization/23948
2580 PR tree-optimization/24123
2582 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2583 * tree-cfg.c (single_noncomplex_succ): New.
2584 * tree-flow.h (single_noncomplex_succ): Declare it.
2585 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2586 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2587 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2588 insert_bb, register_division_in, insert_reciprocals,
2589 replace_reciprocal, free_bb): New.
2590 (execute_cse_reciprocals_1): Rewritten.
2591 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2592 Do not commit any edge insertion. Always compute dominators and
2593 create the allocation pool.
2594 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2595 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2596 * targhooks.c (default_min_divistions_for_recip_mul): New.
2597 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2598 * passes.c (init_optimization_passes): Run recip after tree loop
2600 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2602 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2603 Kenneth Zadeck <zadeck@naturalbridge.com>
2605 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2606 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2607 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2608 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2609 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2610 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2611 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2612 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2613 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2614 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2615 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2616 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2617 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2618 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2619 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2620 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2621 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2622 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2623 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2624 DF_SCAN_POST_ALLOC): New macros.
2625 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2626 df_free_bb_function, df_local_compute_function, df_init_function,
2627 df_dataflow_function, df_confluence_function_0,
2628 df_confluence_function_n, df_transfer_function,
2629 df_finalizer_function, df_free_function, df_dump_problem_function,
2630 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2631 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2632 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2633 df_urec_bb_info, ) New types.
2634 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2636 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2637 df_analyze_simple_change_some_blocks,
2638 df_analyze_simple_change_one_block, df_compact_blocks,
2639 df_bb_replace, df_bb_regno_last_use_find,
2640 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2641 df_insn_regno_def_p, df_find_def, df_find_use,
2642 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2643 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2644 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2645 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2646 debug_df_chain, df_get_dependent_problem, df_chain_create,
2647 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2648 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2649 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2650 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2651 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2652 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2653 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2654 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2655 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2656 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2657 df_reorganize_refs, df_set_state, df_hard_reg_init,
2658 df_read_modify_subreg_p) New public functions.
2659 * df-core.c: The core dataflow solver and glue routines for rtl
2661 (df_init, df_add_problem, df_set_blocks, df_finish,
2662 df_hybrid_search_forward, df_hybrid_search_backward,
2663 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2664 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2665 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2666 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2667 df_reg_defined, df_find_use, df_reg_used, df_dump,
2668 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2669 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2670 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2671 debug_df_useno, reset_df_after_reload): New functions.
2672 * df-scan.c: The scanning fuctions, once in df.c, completely
2673 rewritten so that they now fully model the functionality of
2674 register usage at the backend.
2675 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2676 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2677 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2678 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2679 df_get_artificial_defs, df_get_artificial_uses,
2680 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2681 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2682 df_refs_delete, df_reorganize_refs, df_set_state,
2683 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2684 df_def_record_1, df_defs_record, df_uses_record,
2685 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2686 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2687 df_record_exit_block_uses, df_hard_reg_init): New functions.
2689 * df-problems.c: Seven concrete dataflow problems that use the
2690 scanning in df-scan.c and are solved by the engine in df-core.c.
2691 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2692 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2693 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2694 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2695 df_ru_free_bb_info, df_ru_alloc,
2696 df_ru_bb_local_compute_process_def,
2697 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2698 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2699 df_ru_transfer_function, df_ru_free, df_ru_dump,
2700 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2701 df_rd_free_bb_info, df_rd_alloc,
2702 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2703 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2704 df_rd_transfer_function, df_rd_free, df_rd_dump,
2705 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2706 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2707 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2708 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2709 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2710 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2711 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2712 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2713 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2714 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2715 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2716 df_urec_mark_reg_use_for_earlyclobber,
2717 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2718 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2719 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2720 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2721 df_chain_create_bb_process_use, df_chain_create_bb,
2722 df_chain_finalize, df_chain_free, df_chains_dump,
2723 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2724 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2725 df_reg_lifetime): New functions.
2726 * df.c: Deleted file.
2727 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2728 consistent with new df api.
2729 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2730 rest_of_handle_sms): Ditto.
2731 * web.c (unionfind_union, union_defs, entry_register, web_main):
2733 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2734 invariant_expr_equal_p, find_defs, check_dependencies,
2735 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2736 free_inv_motion_data, move_loop_invariants): Ditto.
2737 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2738 Update dependencies.
2739 (odf.c): Added defective entry that was deleted later in day.
2740 * sched-deps.c (sched_analyze_1): Ditto.
2742 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2744 * tree-ssa-operands.c (get_expr_operands): Record addressable
2745 variables directly. Do not call add_stmt_operands for CONST_DECLs
2747 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2748 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2750 2006-01-11 Ben Elliston <bje@au.ibm.com>
2752 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2753 function returns true in the positive case.
2755 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2758 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2759 for SI, DI, SF and DF modes. Add alternatives to copy between
2760 general and floating point registers to the 32-bit patterns.
2761 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2762 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2763 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2764 generating 64-bit code.
2765 * config/pa/pa.c (output_move_double): Handle copies between general
2766 and floating registers.
2768 2006-01-10 Stuart Hastings <stuart@apple.com>
2770 * config/i386/i386.md (set_got): Update.
2771 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2772 (builtin_setjmp_receiver): Mach-O support.
2773 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2774 (GOT_SYMBOL_NAME): Define.
2775 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2776 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2777 * config/i386/i386.c (override_options): Revise for Darwin.
2778 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2779 support. (darwin_x86_file_end): New. (output_set_got): Add label
2780 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2781 * config/i386/i386-protos.h (output_set_got): Likewise.
2782 * config/darwin.c (machopic_legitimize_pic_address): Update
2785 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2787 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2788 when MODE isn't BLKmode.
2790 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2792 PR rtl-optimization/25367
2793 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2795 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2798 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2799 for a negative bound.
2801 2006-01-10 Richard Guenther <rguenther@suse.de>
2803 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2804 Never override with anything constraint.
2806 2006-01-10 Jan Beulich <jbeulich@novell.com>
2808 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2809 256 bits when optimize_size.
2811 2006-01-10 Jan Beulich <jbeulich@novell.com>
2813 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2815 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2816 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2819 2006-01-10 Ben Elliston <bje@au.ibm.com>
2821 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2823 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2824 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2825 (USE_FP_FOR_ARG): Reject decimal float modes.
2826 (function_arg_advance): Likewise.
2827 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2828 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2829 point types in AltiVec vectors.
2830 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2831 (rs6000_libcall_value): Likewise.
2833 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2835 * config/xtensa/ieee754-df.S: New file.
2836 * config/xtensa/ieee754-sf.S: New file.
2837 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2838 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2839 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2841 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2843 * config/sh/predicates.md (binary_float_operator,
2844 binary_logical_operator, commutative_float_operator,
2845 equality_comparison_operator, greater_comparison_operator,
2846 less_comparison_operator, logical_operator,
2847 noncommutative_float_operator, shift_operator,
2848 symbol_ref_operand, unary_float_operator): Remove redundant
2851 2006-01-09 Jeff Law <law@redhat.com>
2853 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2854 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2855 now unused arguments. Callers updated.
2856 (eliminate_redundant_computations): Remove now unused arguments,
2858 (local_fold): Remove, no longer used.
2859 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2861 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2862 (simplify_cond): New function.
2863 (forward_propagate_into_cond): Call simplify_cond.
2865 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2867 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2868 (*vec_extractv2di_1_sse): New.
2870 2006-01-09 Ben Elliston <bje@au.ibm.com>
2872 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2874 2006-01-08 Richard Guenther <rguenther@suse.de>
2876 * tree-ssa-structalias.c (get_constraint_for): Remove
2878 (get_constraint_for_component_ref): Likewise.
2879 (do_deref): Likewise.
2880 (get_constraint_for): Likewise.
2881 (do_structure_copy): Likewise.
2882 (handle_ptr_arith): Likewise.
2883 (find_func_aliases): Likewise. Remove unused need_anyoffset
2886 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2887 Kaz Kojima <kkojima@gcc.gnu.org>
2889 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2890 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2891 (EXTRA_CONSTRAINT_C16): Remove.
2892 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2893 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2894 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2895 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2896 constants of SHmedia. Handle nested constant expressions of
2898 (andcosts): Fix the costs for SHmedia constants.
2899 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2900 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2901 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2902 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2903 (movv4hi_i, movv2si_i): Likewise.
2904 (movsi_const): Adjust the second operand of ior so to match with
2906 (movdi_const, movdi_const_32bit): Likewise.
2907 (movdi_const_16bit+1): Don't sign-extend LOW.
2908 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2910 (*double_shori): Fix the split condition. Use GEN_INT instead
2911 of get_int_mode calls. Mask lower 16-bit of the argument of
2913 (sym2GOTPLT): Remove.
2914 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2916 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2917 instead of EXTRA_CONSTRAINT_C16.
2919 2006-01-07 Ian Lance Taylor <ian@airs.com>
2920 David Edelsohn <edelsohn@gnu.org>
2922 PR rtl-optimization/25662
2923 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2924 for constant operands instead of simplify_gen_binary.
2925 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2926 after trying simplify_binary_operation
2928 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2930 * tree.c (iterative_hash_expr): Hash decls based on UID.
2932 2006-01-06 Eric Christopher <echristo@apple.com>
2934 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2935 (TARGET_UNWIND_EMIT): Fix spelling.
2936 * target.h (gcc_target): Add except_table_label.
2937 * except.c (output_function_exception_table): Use.
2938 * varasm.c (default_emit_except_table_label): New.
2939 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2941 (asm_out): Add here.
2942 * output.h (default_emit_except_table_label): Prototype.
2943 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2944 * config/darwin.c (darwin_emit_except_table_label): Define.
2945 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2947 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2949 PR tree-optimization/18527
2950 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2951 number_of_iterations_special, number_of_iterations_exit):
2952 Move base and step of an iv to a single structure. Add
2953 no_overflow flag, and use it in # of iterations analysis.
2954 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2955 folded_casts argument.
2956 (simple_iv): Pass base and step in a structure. Set no_overflow
2958 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2959 Evaluate expensiveness of computing # of iterations instead of
2960 the final expression.
2961 * tree-scalar-evolution.h (affine_iv): New structure.
2962 (simple_iv): Declaration changed.
2963 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2964 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2965 find_givs_in_stmt): Changed due to simple_iv change.
2967 2006-01-06 Jeff Law <law@redhat.com>
2970 * tree-cfg.c (bsi_replace): Rename final argument from
2971 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2972 change (stmt -> orig_stmt).
2973 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2974 (bsi_remove): Add new argument. Remove EH information
2976 (verify_eh_throw_table_statements): New function.
2977 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2979 * tree-optimize.c (execute_free_cfg_annotations): Verify
2980 the EH throw statement table after removing annotations.
2981 * except.h (verify_eh_throw_table_statements): Prototype.
2982 * tree-flow.h (bsi_remove): Update prototype.
2983 * tree-vrp.c (remove_range_assertions): Add new argument to
2985 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2986 * tree-complex.c (expand_complex_div_wide): Likewise.
2987 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2988 * tree-tailcall.c (eliminate_tailcall): Likewise.
2989 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2990 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2991 * tree-nrv.c (tree_nrv): Likewise.
2992 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2993 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2994 (combine_blocks): Likewise.
2995 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2996 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2997 (cleanup_control_flow): Likewise.
2998 (remove_forwarder_block): Likewise.
2999 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3000 * tree-sra.c (sra_replace): Likewise.
3001 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3002 (forward_propagate_single_use_vars): Likewise.
3003 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3004 * tree-inline.c (expand_call_inline): Likewise.
3005 * tree-vect-transform.c (vect_transform_loop): Likewise.
3006 * tree-outof-ssa.c (rewrite_trees): Likewise.
3007 * tree-cfg.c (make_goto_expr_edges): Likewise.
3008 (cleanup_dead_labels): Likewise.
3009 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3010 (bsi_move_before, bsi_move_after): Likewise.
3011 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3012 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3014 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3017 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3019 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3020 on non gimple variables. Also add checks at the top for decls and
3022 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3024 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3025 and IMAGPART_EXPR for creating MUST_DEFs.
3026 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3027 and NAME_MEMORY_TAG separately from the DECLs.
3029 2006-01-06 Richard Guenther <rguenther@suse.de>
3031 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3032 annotation, if necessary.
3033 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3034 redundant calls to update_stmt.
3035 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3038 2006-01-05 Richard Henderson <rth@redhat.com>
3040 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3042 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3044 * c-typeck.c: Update copyright date.
3046 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3048 * c-typeck.c (build_c_cast): Always warn when casting
3049 from a pointer to an integer of different size, even if
3050 the node was constant.
3052 2006-01-05 Richard Guenther <rguenther@suse.de>
3054 PR tree-optimization/22555
3055 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3056 if one structure field is an array.
3057 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3058 operands even if we found a subvar, but ignore VOPs in this
3060 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3062 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3064 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3067 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3069 2006-01-05 Richard Guenther <rguenther@suse.de>
3070 Diego Novillo <dnovillo@redhat.com>
3072 * tree-pass.h (TODO_remove_unused_locals): Define.
3073 * gimple-low.c (expand_var_p, remove_useless_vars,
3074 pass_remove_useless_vars): Remove. Update all users.
3075 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3076 (remove_unused_locals): New function.
3077 * tree-flow.h (remove_unused_locals): Declare.
3078 * passes.c (execute_todo): Call remove_unused_locals if
3079 TODO_remove_unused_locals is set.
3080 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3081 * tree-ssa-dce.c (pass_dce): Likewise.
3082 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3084 2006-01-05 Richard Guenther <rguenther@suse.de>
3086 * tree-flow.h (struct fieldoff): Decompose field to
3087 type, size and decl.
3088 * tree-ssa-alias.c (create_sft): Take type as parameter.
3089 (create_overlap_variables_for): Store type, size and decl
3090 in the fieldoff structure.
3091 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3093 (push_fields_onto_fieldstack): Likewise.
3094 (create_variable_info_for): Likewise. Use offset for the
3095 SFT name if the decl is not available.
3097 2006-01-04 Paul Brook <paul@codesourcery.com>
3099 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3101 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3103 * lambda-code.c (can_put_in_inner_loop): Relax
3105 (can_put_after_inner_loop): New function.
3106 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3107 (perfect_nestify): Change to make copies and modify uses.
3109 2006-01-04 Richard Henderson <rth@redhat.com>
3111 Merge from gomp branch:
3112 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3113 via integer constant.
3114 (pragma_lex): Remove.
3115 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3116 rather than parsing it.
3117 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3118 handle_pragma_extern_prefix): Add %< %> quotes.
3119 (registered_pragmas): New.
3120 (c_register_pragma_1): New.
3121 (c_register_pragma): Use it.
3122 (c_register_pragma_with_expansion): Likewise.
3123 (c_invoke_pragma_handler): New.
3124 (init_pragma): Use cpp_register_deferred_pragma directly for
3126 * c-pragma.h (enum pragma_kind): New.
3127 (pragma_handler): New.
3128 (c_invoke_pragma_handler): Declare.
3129 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3131 * c-common.h (c_common_pch_pragma): Update decl.
3132 * Makefile.in (c-parser.o): Update dependencies.
3133 (GTFILES): Add c-pragma.h.
3134 * c-parser.c (struct c_token): Add pragma_kind.
3135 (struct c_parser): Add in_pragma.
3136 (c_lex_one_token): Always initialize keyword and pragma_kind.
3137 Extract data for CPP_PRAGMA.
3138 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3139 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3140 Don't allow CPP_PRAGMA_EOL if in_pragma.
3141 (c_parser_consume_pragma): New.
3142 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3143 (c_parser_skip_to_end_of_parameter): Likewise.
3144 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3145 (c_parser_skip_to_pragma_eol): New.
3146 (c_parser_external_declaration): Handle CPP_PRAGMA.
3147 (c_parser_compound_statement_nostart): Likewise.
3148 (c_parser_statement_after_labels): Likewise.
3149 (c_parser_pragma): New.
3150 (pragma_lex): Likewise.
3151 (c_parser_pragma_pch_preprocess): New.
3152 (c_parser_new): Merge into ...
3153 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3155 2006-01-04 Jeff Law <law@redhat.com>
3158 * tree-cfg.c (bsi_replace): Remove the original statement
3159 from the EH throw statement table.
3161 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3163 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3164 make the prototype extern "C" and add throw ().
3167 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3168 and pos non-negative and pos + len <= 32.
3169 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3170 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3171 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3174 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3175 as well as sizes not multiple of component size.
3178 * function.c (instantiate_expr): New function.
3179 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3180 walk its DECL_VALUE_EXPR with instantiate_expr.
3182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3183 DW_OP_deref{,_size} if address isn't going to be added.
3185 2006-01-04 Ben Elliston <bje@au.ibm.com>
3187 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3188 * config/fp-bit.c: Likewise.
3190 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3192 * dominance.c: Add comment about why we use DFS numbering
3195 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3196 Richard Henderson <rth@redhat.com>
3198 Merge from gomp-branch:
3199 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3200 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3202 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3204 PR rtl-optimization/25578
3205 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3206 pass a parameter to simplify_shift_const if changing ASHIFTRT
3209 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3211 * builtins.c (get_builtin_sync_mem): New function.
3212 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3213 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3214 Call get_builtin_sync_mem to generate mem rtx.
3216 2006-01-03 Richard Guenther <rguenther@suse.de>
3219 * stmt.c (add_case_node): Make sure to clear overflow flags
3222 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3224 Merge from gomp-branch.
3225 * config/sparc/sync.md: New file.
3226 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3227 UNSPECV_LDSTUB): New constants.
3228 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3229 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3230 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3233 2006-01-03 Roger Sayle <roger@eyesopen.com>
3235 * combine.c (reg_subword_p): New predicate to test whether the
3236 destination of a set refers to a subword/piece of a register.
3237 (try_combine): Generalize the code to merge the setting of a
3238 pseudo to a constant followed by a set of a subword of that
3239 register to a constant.
3241 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3243 * basic-block.h (control_flow_graph): Change the type of
3244 x_label_to_block_map to VEC(basic_block,gc) *.
3245 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3246 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3248 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3249 VEC(basic_block,heap) *.
3250 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3251 ssa_prop_fini): Adjust the uses of cfg_blocks.
3253 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3255 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3257 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3258 hashing trees instead of a pointer hash.
3259 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3260 compare for MEM_EXPR.
3262 PR rtl-optimization/25130
3263 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3264 when comparing MEMs for GCSE
3266 2006-01-03 Ben Elliston <bje@au.ibm.com>
3268 * targhooks.h (default_decimal_float_supported_p): Declare.
3269 * targhooks.c (default_decimal_float_supported_p): Define.
3270 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3271 `default_decimal_float_supported_p'.
3272 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3274 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3276 * combine.c (apply_distributive_law <SUBREG>): Check
3277 TRULY_NOOP_TRUNCATION.
3279 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3281 * dwarf2out.c (have_switched_text_section): Delete.
3282 (have_multiple_function_sections): New.
3283 (have_location_lists): Make 'bool'.
3284 (add_AT_loc_list): Use 'true' not '1'.
3285 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3286 (output_loc_list): Use have_multiple_function_sections.
3287 (output_ranges): Likewise.
3288 (dwarf2out_begin_function): Set have_multiple_function_sections if
3290 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3291 Check function_section rather than DECL_SECTION_NAME.
3292 (dwarf2out_finish): Use have_multiple_function_sections.
3293 Don't clear have_location_lists.
3295 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3296 Jan Hubicka <jh@suse.cz>
3298 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3299 case of conditional jump jumping to the next instruction.
3300 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3301 cases of conditional jump jumping to the next instruction.
3303 2006-01-02 Jan Hubicka <jh@suse.cz>
3305 * i386.c (*_cost): Add COSTS_N_INSNS.
3306 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3308 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3311 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3313 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3315 * config/arm/arm.c (all_fpus): Fix comment typo.
3316 * config/darwin.c: Likewise.
3317 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3318 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3319 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3321 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3323 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3324 (rs6000_split_compare_and_swapqhi): New.
3325 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3326 (sync_compare_and_swapqhi_internal): New.
3327 * config/rs6000/rs6000-protos.h: Declare.