1 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
3 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4 * Makefile.in (CXX_COMPAT_WARN): Define.
5 * configure: Regenerate.
7 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
10 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
15 * toplev.c: Fix thinko.
17 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18 Marcin Dalecki <martin@dalecki.de>
20 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
21 (push_srcloc): Use XNEW.
22 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
24 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
26 * df-core.c (df_set_blocks): Deleted all variable.
28 2006-01-28 Ian Lance Taylor <ian@airs.com>
30 * cgraphunit.c (cgraph_assemble_pending_functions): Call
31 cgraph_output_pending_asms.
33 2006-01-28 Zack Weinberg <zackw@panix.com>
35 * c.opt: Add -W(no-)overlength-strings.
36 * doc/invoke.texi: Document it.
37 * c-opts.c (c_common_handle_option): -pedantic implies
38 -Woverlength-strings, if not explicitly disabled already.
39 (c_common_post_options): -Woverlength-strings defaults to off, and
40 is always off for C++.
41 * c-common.c (fix_string_type): Issue warning about strings longer
42 than is portable only if warn_overlength_strings. Rearrange code
44 * configure.in: Check for -Wno-overlength-strings as well before
45 enabling -pedantic in stage 1.
46 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
47 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
49 * genconditions.c (write_header, write_one_condition)
50 (write_conditions, write_writer): Consolidate very long strings
51 that were broken up to fit in C89 portable limit. Don't use
52 printf when fputs will do.
54 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
56 * combine.c (simplify_comparison <AND>): Check
57 TRULY_NOOP_TRUNCATION before start using a subreg.
59 * config/mips/mips.md (*branch_zero<mode>,
60 *branch_zero<mode>_inverted, *branch_equality<mode>,
61 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
62 Remove mode check from comparisons.
64 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
66 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
68 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
70 * expmed.c (const_mult_add_overflow_p): Remove.
71 * expr.h: Remove the prototype for const_mult_add_overflow_p.
73 * recog.c (validate_replace_rtx_subexp): Remove.
74 * recog.h: Remove the prototype for
75 validate_replace_rtx_subexp.
77 * integrate.h: Remove the prototype for
78 copy_decl_for_inlining.
79 * rtl.h: Remove the prototype for mark_constant_function.
80 * tree-vectorizer.h: Remove the prototype for
81 vect_strip_conversion.
83 * modulo-sched.c (create_partial_schedule,
84 free_partial_schedule, reset_partial_schedule): Make them
87 * hooks.c (hook_bool_rtx_int_false): Remove.
88 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
90 2006-01-28 David Edelsohn <edelsohn@gnu.org>
92 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
93 and -mlong-double-128 are incompatible.
94 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
95 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
96 (TARGET_LIBGCC2_CFLAGS): Define.
97 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
98 (TARGET_LIBGCC2_CFLAGS): Same.
99 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
101 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
104 * c-typeck.c (build_binary_op): Perform implicit casts of
105 operands before shortening them.
107 * cfgloopmanip.c (split_loop_bb): Remove.
108 * cfgloop.h: Remove the prototype for split_loop_bb.
110 * cfgloop.c (flow_loop_outside_edge_p): Remove.
111 * cfgloop.h: Remove the prototype for
112 flow_loop_outside_edge_p.
114 * emit-rtl.c (init_virtual_regs): Make it static.
115 * function.h: Remove the prototype for init_virtual_regs.
117 * recog.c (peephole2_optimize): Make it static.
118 * recog.h: Remove the prototype for peephole2_optimize.
120 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
122 * df-scan.c (df_record_entry_block_defs): Check if
123 INCOMING_RETURN_ADDR_RTX is defined.
125 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
126 Kenneth Zadeck <zadeck@naturalbridge.com>
128 PR rtl-optimization/24762
129 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
130 * targhooks.c (hook_void_bitmap): New hook prototype.
131 * targhoohs.h (hook_void_bitmap): Ditto.
132 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
133 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
134 * target.h (live_on_entry): New function pointer.
135 * df-scan.c (df_all_hard_regs): Removed.
136 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
137 (df_scan_free_internal): Added df->entry_block_defs.
138 (df_scan_alloc): Ditto.
139 (df_scan_dump): Ditto.
140 (df_uses_record): Plumbed flag field properly thru calls.
141 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
142 This part fixes PR24762.
143 (df_bb_refs_record): Added code to make the frame and arg
144 pointers live in EH blocks.
145 (df_refs_record): Added call to df_record_entry_block_defs.
146 (df_record_entry_block_defs): New function.
147 * df-core.c: Added comments to describe new artifical defs.
148 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
149 (entry_block_defs): New field in struct df.
150 (df_all_hard_regs): Deleted.
151 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
152 * df-problems.c (df_ru_bb_local_compute_process_def):
153 Added code to handle artifical defs in the entry to a function.
154 (df_ru_bb_local_compute): Ditto.
155 (df_rd_bb_local_compute_process_def): Ditto.
156 (df_rd_bb_local_compute): Ditto.
157 (df_lr_bb_local_compute): Ditto.
158 (df_ur_bb_local_compute): Ditto.
159 (df_urec_bb_local_compute): Ditto.
160 (df_chain_create_bb): Ditto.
161 (df_ur_local_finalize): Removed entry.
162 (df_urec_init): Ditto.
163 (df_urec_local_finalize): Ditto.
164 (df_ri_bb_compute): Added detection of last use of pseudos.
165 * Makefile.in (df-scan.o): Updated dependencies.
166 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
167 * config/mips/mips.c (mips_set_live_on_entry): Added.
168 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
170 * dce.c (marked_insn_p): Added code to handle artifical defs.
172 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
174 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
176 (_mm_cvtsi128_si64): Likewise.
177 (_mm_cvtsd_si64): Likewise.
178 (_mm_cvttsd_si64): Likewise.
179 (_mm_cvtsi64_sd): Likewise.
180 (_mm_cvtsi64_si128): Likewise.
181 * config/i386/mmintrin.h (_m_from_int64): Likewise.
182 (_mm_cvtsi64_m64): Likewise.
183 (_m_to_int64): Likewise.
184 (_mm_cvtm64_si64): Likewise.
185 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
186 (_mm_cvttss_si64): Likewise.
187 (_mm_cvtsi64_ss): Likewise.
188 (_mm_cvtss_f32): Likewise.
190 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
192 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
193 for pragma redefine_extname.
195 2006-01-27 Jakub Jelinek <jakub@redhat.com>
198 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
199 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
200 -mno-minimal-toc to previous content.
201 (bispecs): Remove goal.
202 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
203 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
204 compatibility aliases on powerpc-*-*gnu*.
205 * config/rs6000/libgcc-ppc-glibc.ver: New file.
206 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
207 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
208 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
209 (ldblspecs): New goal.
210 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
211 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
213 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
214 L_sf_to_tf or L_df_to_tf is defined.
216 2006-01-27 David Edelsohn <edelsohn@gnu.org>
217 Alan Modra <amodra@bigpond.net.au>
220 * config/rs6000/linux.h (POWERPC_LINUX): Define.
221 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
222 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
223 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
224 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
225 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
226 (rs6000_override_options): Initialize rs6000_ieeequad.
227 Initialize TFmode format to ibm_extended_format if not
229 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
231 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
232 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
233 (function_arg_advance): IBM long double passed in two FPRs, not
235 (function_arg): IBM long double passed in FPRs.
236 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
237 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
238 Only multireg GPR aligned.
239 (rs6000_init_libfuncs): Enable IBM long double functions if not
241 (rs6000_generate_compare): Use IBM long double compare if not
243 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
244 (TARGET_IEEEQUAD): Define.
245 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
247 * config/rs6000/rs6000.md: Enable TFmode patterns if
249 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
250 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
251 and -mlong-double-128 are incompatible.
252 * doc/invoke.texi (-mabi): Collect options together. Add
253 ibmlongdouble and ieeelongdouble.
255 2006-01-27 Richard Sandiford <richard@codesourcery.com>
257 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
259 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
260 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
261 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
262 * rtl.h (rtunion_def): Remove rt_ptr.
264 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
265 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
266 * config/i386/winnt.c (i386_pe_mark_dllexport)
267 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
269 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
271 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
273 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
277 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
278 pthread_key_delete. From John David Anglin. gthrw-ify
279 pthread_getunique_np only if it it's not a macro. Delete
281 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
282 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
283 __gthread_objc_condition_signal, __gthread_key_delete): Add
284 "__attribute__ ((__unused__))" to unused arguments.
285 (__gthread_recursive_mutex_init_function): Add missing return.
286 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
287 gthr-posix95.h: Use macro-based approach for name redirection
288 on targets missing weakref.
290 2006-01-26 Zack Weinberg <zackw@panix.com>
292 * genconditions.c (write_header): In generated code, #ifdef out
293 all includes and fake declarations, except includes of bconfig.h
294 and system.h, unless GCC_VERSION >= 3001. Do not include
295 gensupport.h in any case.
296 (write_conditions): Generate a definition of struct c_test. Add
297 a comment to the generated #endif.
298 (write_one_condition): Escape backslashes in string too.
299 (write_writer): Generated code must escape backslashes and quote
300 marks (but not newlines) in the strings it writes.
301 * Makefile.in (build/gencondmd.o): Update dependencies.
303 2006-01-26 Steve Ellcey <sje@cup.hp.com>
306 * Makefile.in (insn-automata.o): Add header file dependencies.
307 * genautomata.c: Add includes.
309 2006-01-26 Steve Ellcey <sje@cup.hp.com>
312 * Makefile.in (insn-automata.o): Add -Wno-error flag.
314 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
316 * configure.ac: Expect target tools paths to be passed from the toplevel
317 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
319 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
321 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
324 * c.opt (Wpointer-sign): Init to -1.
325 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
326 OPT_pedantic, to 0 otherwise.
327 * doc/invoke.texi: Update.
329 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
331 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
332 constants provided by 80387 instructions in the destination mode.
334 2006-01-26 Richard Guenther <rguenther@suse.de>
335 Andrew Pinski <pinskia@physics.uc.edu>
338 partial PR tree-opt/17064
339 * tree-ssa-structalias.c (intra_create_variable_infos):
340 Create heap variables for incoming parameters if
341 flag_argument_noalias > 1.
342 (find_what_p_points_to): Look through default defs of
345 2006-01-26 Jeff Law <law@redhat.com>
348 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
349 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
350 within the VR_RANGE, use the VR_RANGE as the result, not the
352 (adjust_range_with_scev): Reject ranges from SCEV which are out
353 of bounds for the type.
355 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
357 * tree-ssa-alias.c (maybe_create_global_var): Change
358 subvar walking to an assertion that we don't have subvar'd variables.
360 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
363 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
364 Use a new variable, inner. PARM_DECLs are always non-weak.
366 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
368 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
371 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
373 * config/mips/mips.md (*clear_upper32): New combiner pattern.
375 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
377 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
378 (smax_insn, smin_insn, smax_0, smin_0): New.
380 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
383 * config/cris/cris.c (cris_order_for_addsi3): New function.
384 * config/cris/cris-protos.h: Prototype it.
385 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
386 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
387 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
388 (split for "op.S1 [rx=rx+i],ry (swapped)")
389 (split for "op(s|u).S1 [rx=rx+i],ry")
390 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
391 Apply cris_order_for_addsi3 when generating addsi3 insns.
393 2006-01-25 Diego Novillo <dnovillo@redhat.com>
395 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
396 (TREE_BLOCK): Add call to EXPR_CHECK.
398 2006-01-25 Diego Novillo <dnovillo@redhat.com>
401 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
402 * tree-pretty-print.c (dump_omp_clause): Extract from ...
403 (dump_omp_clauses): ... here.
404 (dump_generic_node): Handle OMP_CLAUSE.
405 * tree.c (omp_clause_num_ops): New.
406 (omp_clause_code_name): New.
407 (tree_code_size): Handle OMP_CLAUSE.
408 (tree_size): Likewise.
409 (make_node): Document handling of OMP_CLAUSE.
410 (tree_node_structure): Handle OMP_CLAUSE.
411 (omp_clause_check_failed): New.
412 (omp_clause_range_check_failed): New.
413 (omp_clause_operand_check_failed): New.
414 (build_omp_clause): New.
415 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
416 * tree.h (enum omp_clause_code): Declare.
417 (OMP_CLAUSE_SUBCODE_CHECK): Define.
418 (OMP_CLAUSE_RANGE_CHECK): Define.
419 (OMP_CLAUSE_ELT_CHECK): Define.
420 (omp_clause_check_failed): Declare.
421 (omp_clause_operand_check_failed): Declare.
422 (omp_clause_range_check_failed): Declare.
423 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
424 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
425 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
426 (OMP_CLAUSE_LASTPRIVATE): Likewise.
427 (OMP_CLAUSE_IF_EXPR): Likewise.
428 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
429 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
430 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
431 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
432 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
433 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
434 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
435 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
436 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
437 (OMP_CLAUSE_CODE): Define.
438 (OMP_CLAUSE_SET_CODE): Define.
439 (OMP_CLAUSE_CODE): Define.
440 (OMP_CLAUSE_OPERAND): Define.
441 (struct tree_omp_clause): Declare.
442 (union tree_node): Add field 'omp_clause'.
443 * treestruct.def (TS_OMP_CLAUSE): Define.
444 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
445 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
446 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
447 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
448 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
449 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
450 (OMP_CLAUSE): Define.
451 * print-tree.c (print_node): Handle OMP_CLAUSE.
452 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
453 * c-typeck.c: Likewise.
454 * gimplify.c: Likewise.
456 * tree-nested.c: Likewise.
457 * tree-inline.c: Likewise.
458 * c-parser.c: Likewise.
459 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
462 2006-01-25 Roger Sayle <roger@eyesopen.com>
464 PR rtl-optimization/25703
465 * combine.c (try_combine): Handle zero_extract and strict_low_part
466 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
468 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
470 * global.c: Fix comment typos.
472 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
475 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
476 Use output_addr_const instead of assemble_name.
478 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
480 * Makefile.in (sched-vis.o): Update dependencies.
481 * haifa-sched.c (sched_finish): Clear current_sched_info.
482 * cfg.c (dump_bb_info): New, split from dump_flow_info.
483 (dump_flow_info): Call it.
484 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
486 * basic-block.h (dump_bb_info): Declare.
487 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
488 option, and apply options only for dump files whose TDF_RTL,
489 TDF_TREE, or TDF_IPA bits match.
490 * rtl.h: Declare new functions exported from sched-vis.c.
491 * sched-vis.c: Enable also if scheduling is not used.
492 (print_value): Print the mode of registers if not inside scheduling.
493 (print_insn): Make it work outside the scheduler. Beautify the output
495 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
497 2006-01-25 Richard Sandiford <richard@codesourcery.com>
499 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
500 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
501 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
502 depending on the value of CONSTANT_POOL_ADDRESS_P.
503 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
505 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
506 rather than SYMBOL_REF_DECL.
507 (rtx_constant_pool): Remove const_rtx_sym_htab.
508 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
509 (init_varasm_status): Don't initialize const_rtx_sym_htab.
510 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
511 Remove handling of const_rtx_sym_htab.
512 (find_pool_constant): Delete.
513 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
514 rather than find_pool_constant.
515 (get_pool_constant_for_function): Delete.
516 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
518 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
519 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
520 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
521 (SYMBOL_REF_CONSTANT): New macro.
522 (get_pool_constant_for_function): Delete.
523 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
524 rather than SYMBOL_REF_DECL.
525 (i386_pe_mark_dllimport): Likewise.
526 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
527 rather than SYMBOL_REF_DECL.
528 * config/darwin.c (machopic_indirect_data_reference): Likewise.
529 (machopic_indirect_call_target): Likewise.
531 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
533 * flow.c (delete_noop_moves): Add missing EOL to dump message.
535 2006-01-25 Richard Sandiford <richard@codesourcery.com>
537 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
539 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
541 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
543 2006-01-24 David Daney <ddaney@avtrex.com>
546 * configure.ac (enable_tls): New enable option.
547 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
548 * configure: Regenerate.
549 * doc/install.texi (--enable-tls): Document new option.
550 (--disable-tls): Ditto.
552 2006-01-24 Richard Henderson <rth@redehat.com>
554 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
555 * alias.c (true_dependence): Respect it.
556 (canon_true_dependence, write_dependence_p): Likewise.
557 * builtins.c (get_builtin_sync_mem): Set it.
559 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
561 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
564 2006-01-24 DJ Delorie <dj@redhat.com>
566 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
567 for storing constants in single-bit bitfields.
569 2006-01-25 Ben Elliston <bje@au.ibm.com>
571 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
573 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
576 * tree-ssa-pre.c (phi_translate): Return NULL
577 for AGGREGATE_TYPE's.
579 2006-01-24 Zack Weinberg <zackw@panix.com>
581 * genautomata.c (process_state_for_insn_equiv_partition):
582 Use xcalloc for insn_arcs_array.
583 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
584 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
586 2006-01-24 Richard Henderson <rth@redhat.com>
588 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
591 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
593 PR rtl-optimization/25890
594 PR rtl-optimization/25905
595 * combine.c (expand_compound_operation, expand_field_assignment):
596 Fail if the bitfield's final position is out of bounds.
598 2006-01-24 Ian Lance Taylor <ian@airs.com>
601 * cgraphunit.c (cgraph_output_in_order): Don't clear
602 cgraph_asm_nodes until after asm strings have been output.
604 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
606 * fix-header.c (read_scan_file): Add new parameter imultilib when
607 calling register_include_chains.
609 2006-01-23 Diego Novillo <dnovillo@redhat.com>
611 * omp-low.c: Update documentation.
613 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
614 Daniel Berlin <dberlin@dberlin.org>
618 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
619 return from the function.
621 2006-01-22 Zack Weinberg <zackw@panix.com>
623 * rtl.def (match_code): Add second argument.
624 * genpreds.c (write_extract_subexp): New function.
625 (write_match_code): Add path argument. Use write_extract_subexp.
626 (write_predicate_expr): Pass path to write_match_code.
627 (mark_mode_tests): MATCH_CODE applied to a subexpression does
628 not perform a mode test.
629 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
630 a subexpression does not constrain the top-level code set.
631 * read-rtl.c (read_rtx_variadic): New function.
632 (read_rtx_1): Use it; allow AND and IOR to be variadic.
633 * doc/md.texi: Document new notation.
634 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
635 (cmpsi_operand): ... here, using new notation.
637 2006-01-22 Zack Weinberg <zackw@panix.com>
639 * varray.c: Remove GENERATOR_FILE #ifdefs.
641 2006-01-22 Zack Weinberg <zackw@panix.com>
643 * genautomata.c (output_reserved_units_table): Emit nothing if
644 description->query_units_num is zero. Remove extra blank line.
645 (output_cpu_unit_reservation_p): Short circuit
646 if description->query_units_num is zero.
648 2006-01-22 Zack Weinberg <zackw@panix.com>
650 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
651 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
652 nor any of the random handful of variables that used to be necessary
653 when this program was linked with rtlanal.o. Prune set of forward
654 function declarations.
655 (struct attr_desc): Remove static_p field.
656 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
657 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
658 (attr_string): Do not read the character one past the length of
660 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
661 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
662 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
663 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
664 (make_automaton_attrs): New.
665 (main): Do not call into genautomata. Call local gen_bypass
666 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
667 Remove special case for insn_alts.
668 * genautomata.c: Include gensupport.h; not genattrtab.h nor
669 varray.h (leftover from previous change). Prune set of forward
670 function declarations. Remove state_alts fields from all
671 structures. Remove state_alts_table from struct automaton.
672 Make everything except main static. Do not maintain num_dfa_decls.
673 Do not maintain state_alts fields of various structures.
674 (process_decls): Don't validate condexp for dm_insn_reserv decls.
675 (add_arc): Remove state_alts argument. All callers updated.
676 (output_reserved_units_table): Emit #ifdef here...
677 (output_tables): ...not here. Don't generate state_alts tables.
678 (expand_automata): Don't generate attributes.
679 (write_automata): Don't generate state_alts functions.
680 (main): New function.
681 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
682 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
683 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
684 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
685 (BYPASS_P_FUNC_NAME, output_state_alts_table)
686 (output_automata_list_state_alts_code, output_internal_state_alts_func)
687 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
688 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
690 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
691 * genattrtab.h: Delete file.
692 * Makefile.in (OBJS-common): Add insn-automata.o.
693 (insn-automata.o): New rule.
694 (simple_generated_c): Add insn-automata.c.
695 (build/genattrtab.o, build/genautomata.o): Update dependencies.
696 (genprogmd): Add automata.
697 (build/genattrtab): Needs no extra objects nor libraries.
698 (build/genautomata): Needs build/vec.o and -lm.
700 2006-01-22 Zack Weinberg <zackw@panix.com>
702 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
703 (output_dfa_max_issue_rate, locked_states_num): Delete.
704 (struct automaton): Add locked_states field.
705 (output_dead_lock_vect): Save number of locked states in
706 automaton->locked_states. If it is zero, don't print anything.
707 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
708 (output_internal_dead_lock_func): Only test the dead_lock_vect
709 for automata that have locked states.
710 (output_statistics): Always print the number of locked states for
711 each automaton. Calculate total number of locked states here.
712 (write_automata): Don't call output_dfa_max_issue_rate.
713 * genattrtab.c: Define length_unit_log as a const variable.
714 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
715 max_insn_queue_index const.
716 * final.c (length_unit_log): Declare const.
717 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
719 2006-01-22 Zack Weinberg <zackw@panix.com>
721 * genautomata.c: Include vec.h, not varray.h.
722 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
723 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
724 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
725 VEC_* macros operating on appropriately typed vectors, or to
726 malloced arrays when the size is known in advance. Const-ify
727 many char* variables and function arguments. No functional changes.
728 * Makefile.in (build/varray.o): Delete rule.
729 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
730 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
732 2006-01-22 Zack Weinberg <zackw@panix.com>
734 * gensupport.c: Define get_insn_name and record_insn_name here.
735 (read_md_rtx): Call record_insn_name as appropriate.
736 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
737 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
738 * genpreds.c, genrecog.c: Don't define get_insn_name nor
740 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
741 (BUILD_VARRAY): Delete.
742 (genprognormal): Rename genprogmd. Fold in all programs from
743 genprognoprint; also attrtab.
744 (build/genattrtab): Just mention genautomata.o and varray.o.
745 Reorganize a bit, add comments to make the categories clearer.
747 2006-01-22 Zack Weinberg <zackw@panix.com>
749 * genconditions.c (condition_table, add_condition): Delete.
750 (write_conditions): Don't emit n_insn_conditions nor
751 insn_elision_unavailable. Issue the gcc version #ifdef here,
752 inside the table, with no #else clause ...
753 (write_header): ...not here.
754 (write_writer): New function.
755 (main): Don't initialize condition_table. Use add_c_test.
757 * gensupport.c (init_md_reader_args_cb): Handle multiple input
758 files on the command line.
759 (maybe_eval_c_test): Don't check insn_elision_unavailable.
760 Return -1 if there is no entry in the table, don't abort.
761 (add_c_test, traverse_c_tests): New functions.
762 * gensupport.h (insn_elision_unavailable, insn_conditions)
763 (n_insn_conditions): Delete declarations.
764 (add_c_test, traverse_c_tests): Declare.
765 * read-rtl.c: Include gensupport.h.
766 (read_conditions): New function.
767 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
768 (read_rtx_1): If we get EOF when we were looking for an initial
769 open paren, return 0. Call read_conditions when appropriate.
770 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
771 dummy-conditions.o. Eliminate references to insn-conditions.o,
772 or change them to build/gencondmd.o, as appropriate. Remove
773 insn-constants.h from $(simple_generated_h) and insn-conditions.c
774 from $(simple_generated_c). For all files remaining in those
775 two lists, add insn-conditions.md to the generator command line.
776 Give insn-constants.h/s-constants their own rules. Add rules
777 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
778 (build/read-rtl.o): Depend on gensupport.h.
779 (genprognormal): Include preds.
780 (genprogearly): Rename genprognoprint; only difference is now that
781 they don't link with $(BUILD_PRINT).
782 * dummy-conditions.c: Delete.
784 2006-01-22 Zack Weinberg <zackw@panix.com>
786 * genextract.c: Don't include insn-config.h. Do include vec.h.
787 Declare vectors of int, char, and locstr.
788 (locstr): New typedef.
789 (struct extraction): Make all array fields into bare pointers.
790 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
791 (insn_code_number): Delete.
792 (accum_extract): New struct.
793 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
794 (gen_insn): Take insn_code_number as an argument. Use an
795 accum_extract structure instead of loading data directly into
796 a struct extraction, and having to know how big it might get.
797 (walk_rtx): Operate entirely on an accum_extract structure.
798 (print_path): Avoid unnecessary use of printf.
799 (print_header): New function, split out of main. Distinguish
800 more carefully between an unrecognizable insn and an insn that
801 has the code number of a define_expand.
802 (main): Pass insn_code_number to gen_insn. Call print_header
803 only after parsing. Avoid unnecessary use of printf.
804 * Makefile.in (build/vec.o): New rule.
805 (build/genextract): Depend on build/vec.o.
806 (build/genextract.o): Don't depend on insn-config.h.
808 2006-01-22 Zack Weinberg <zackw@panix.com>
810 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
811 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
812 practical. Eliminate per-generator-program link rules.
814 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
817 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
818 with a call expr to ...
819 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
821 2006-01-23 Richard Guenther <rguenther@suse.de>
823 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
824 before make_edge with conditional EDGE_TRUE_VALUE.
826 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
827 Jan Hubicka <jh@suse.cz>
828 Richard Guenther <rguenther@suse.de>
830 PR rtl-optimization/25654
831 * cfgexpand.c (aggregate_contains_union_type): New function.
832 (add_alias_set_conflicts): Call it. Make sure to add conflicts
833 for structure variables that contain a union type.
835 2006-01-23 Richard Sandiford <richard@codesourcery.com>
837 * gengtype.c (new_structure): Return the structure.
838 (create_option): Add an extra "next" argument.
839 (create_field): New function.
840 (adjust_field_rtx_def): Use create_option and create_field.
841 Remove a now-unnecessary call to find_structure.
842 (adjust_field_tree_def): Likewise.
843 (note_yacc_type): Remove an unnecessary call to find_structure.
844 * gengtype.h (new_structure): Return the structure.
845 (create_option): Add an extra argument.
846 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
847 (option): Adjust calls to create_option.
849 2006-01-22 David Edelsohn <edelsohn@gnu.org>
851 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
853 2006-01-22 Paul Brook <paul@codesourcery.com>
854 Peter Barada <peter@the-baradas.com>
856 * config/m68k/m68k.md: Add Coldfire FPU support.
857 Define FP mode macro and associated attributes.
858 Use it for float mode patterns.
859 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
860 (LIBCALL_VALUE): Use m68k_libcall_value.
861 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
862 (m68k_function_value): Ditto.
863 (emit_move_sequence): Ditto.
864 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
865 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
866 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
867 (MULTILIB_EXCEPTIONS): Ditto.
868 * config/m68k/m68k.opt: Add mcfv4e.
869 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
870 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
871 (m68k_output_function_prologue): Save ColdFire FPU registers.
872 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
873 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
874 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
875 ColdFire FPU registers.
876 (m68k_libcall_value, m68k_function_value): New functions.
877 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
878 (LIBCALL_VALUE): Use m68k_libcall_value.
879 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
880 (MASK_COLDFIRE): Add MASK_CFV4E.
881 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
882 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
883 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
884 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
885 (GO_IF_LEGITIMATE_ADDRESS): Use it.
886 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
887 * doc/invoke.tex: Document -mcfv4e on m68k.
889 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
891 * doc/contribute.texi: Change CVS to SVN and update the corresponding
894 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
897 * c-opts.c (c_common_handle_option): Don't include
898 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
899 * doc/invoke.texi (C++ Dialect Options): Document that
900 -Wnon-virtual-dtor is no longer included in -Wall.
902 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
904 * gcov.c (print_version), gcov-dump.c (print_version),
905 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
908 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
910 * df-scan.c (problem_SCAN): Added NULL reset function.
911 (df_scan_reset_blocks): Added code to call reset block function
912 (df_bb_refs_delete) Fixed comment.
913 (df_insn_refs_delete): Made tolerant of deleting non existent info
914 for dataflow problems that need to be reset.
915 * df-core.c (df_set_blocks): Ditto.
916 * df.h (struct df_problem): Added reset_fun.
917 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
918 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
919 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
920 functions to clear out all references to def-use or use-def chains.
922 2006-01-21 Ben Elliston <bje@au.ibm.com>
924 * varasm.c (assemble_real): Initialise data array.
926 2006-01-20 Paul Brook <paul@codesourcery.com>
928 Merge from csl-arm-branch.
929 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
930 * config/arm/arm.md (movdi): Force operands[1] to a register
931 if we have a non-register source.
932 (*arm_movdi, *movdf_soft_insn): Require that one of the
933 operands be a register.
934 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
935 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
937 2006-01-20 DJ Delorie <dj@redhat.com>
939 * varasm.c (initialize_constant_valid_p): Allow pointers
940 initialized from integer constants of lesser precision.
941 (output_constant): Allow non-int-sized pointer modes to be
942 initialized from integer constants.
944 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
947 * cppdefault.h (struct default_include): Add multilib flag.
948 * cppdefault.c (cpp_include_defaults): Set it.
949 * c.opt (-imultilib): New option.
950 * c-opts.c (imultilib): New.
951 (c_common_handle_option): Handle -imultilib.
952 (c_common_post_options): Likewise.
953 * c-incpath.c (add_standard_paths, register_include_chains):
955 * c-incpath.h (register_include_chains): Add extra parameter.
956 * gcc.c (do_spec_1): Generate -imultilib option.
957 (The Specs Language): Update %I description.
958 (process_command): Update copyright notice.
959 * doc/cppopts.texi (-imultilib): Document.
960 * doc/invoke.texi (-imultilib): Include in option summary.
961 (%I): Update specs documentation.
963 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
965 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
967 2006-01-20 Richard Sandiford <richard@codesourcery.com>
969 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
972 2006-01-20 Richard Guenther <rguenther@suse.de>
973 Steven Bosscher <stevenb.gcc@gmail.com>
975 PR rtl-optimization/24626
976 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
977 EDGE_TRUE_VALUE if in RTL mode.
980 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
981 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
983 2006-01-20 Dirk Mueller <dmueller@suse.com>
986 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
987 instead of a special NOP marker.
988 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
990 * c-common.h (empty_body_warning): Add forward declaration.
991 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
992 Now uses IS_EMPTY_STMT() instead of special NOP markers.
994 2006-01-20 Paul Brook <paul@codesourcery.com>
996 * Makefile.in (lang_checks): Keep going if mkdir fails.
998 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1000 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1001 be able to clean out basic block when not necessary.
1002 (df_scan_free): Fixed to properly delete information if df is
1003 unused before calling df_finish.
1004 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1005 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1007 (df_bb_refs_delete): New function.
1008 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1009 * df-core.c (df_set_blocks): Added code to properly clean out
1010 unused blocks if they are not part of the blocks to consider.
1011 Added additional null check.
1012 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1013 be able to clean out basic block when not necessary
1014 * df.h (df_free_bb_function): Ditto.
1015 (df_bb_refs_delete): New function.
1016 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1017 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1018 basic block parameter to be able to clean out basic block when not
1020 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1021 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1022 Fixed to properly delete information if df is unused before
1025 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1027 PR rtl-optimization/25799
1028 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1029 Corrected confluence operator to remove bits from op2 before oring
1030 with op1 rather than removing bits from op1.
1031 (df_ru_transfer_function): Corrected test on wrong bitmap which
1032 caused infinite loop. Both of these problems were introduced in
1033 the dataflow rewrite.
1035 2006-01-19 DJ Delorie <dj@redhat.com>
1037 * reload1.c (find_reload_regs): Note the details of reload
1038 failures in the dump file.
1039 (spill_failure): Likewise.
1041 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1043 * loop-iv.c: Include df.h and hashtab.h.
1044 (enum iv_grd_result): New enum.
1045 (DF_REF_IV, DF_REF_IV_SET): New macros.
1046 (struct biv_entry): New.
1047 (df, bivs): New global variables.
1048 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1049 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1051 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1052 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1053 analyzed_for_bivness_p, record_biv): New functions.
1054 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1055 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1056 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1058 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1060 (iv_number_of_iterations): Use new interface to iv analysis.
1061 * loop-unroll.c: Do not include varray.h.
1062 (analyze_iv_to_split_insn): Use new interface to iv
1064 * loop-unswitch.c (may_unswitch_on): Ditto.
1065 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1067 (df_bb_modify): Realloc tables to the new index.
1068 (df_find_use): New function.
1069 * df.h (df_find_use): Declare.
1070 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1072 * cfgloop.h (struct rtx_iv): Remove analysed field.
1073 (iv_get_reaching_def): Removed.
1074 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1075 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1076 (loop-iv.o): Add df.h and hashtab.h dependency.
1077 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1079 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1081 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1083 (__floatundisf, __floatundidf): Likewise.
1084 * libgcc2.h (IS_IBM_EXTENDED): Define.
1086 2006-01-19 DJ Delorie <dj@redhat.com>
1088 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1090 2006-01-19 Paul Brook <paul@codesourcery.com>
1092 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1093 as nothrow when unwinding tables are disabled.
1095 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1098 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1099 of bit-field" when in system header.
1101 2006-01-19 DJ Delorie <dj@redhat.com>
1103 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1104 the 16 bit shift limit of the m16c.
1106 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1109 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1110 * config/i386/i386.c (output_set_got): Output the label if we have one
1111 for the TARGET_DEEP_BRANCH_PREDICTION case.
1113 2006-01-19 Jan Hubicka <jh@suse.cz>
1114 H.J. Lu <hongjiu.lu@intel.com>
1115 Evandro Menezes <evandro.menezes@amd.com>
1117 * invoke.texi (generic): Document
1119 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1120 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1121 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1122 (x86_use_incdec, x86_pad_returns): New variables
1123 (TARGET_CPU_DEFAULT_generic): New constant
1124 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1125 (enum processor_type): Add generic32 and generic64.
1126 * i386.md (cpu attribute): Add generic32/generic64
1127 (movhi splitter): Behave sanely when both partial_reg_dependency and
1128 partial_reg_stall are set.
1129 (K8 splitters): Enable for generic as well.
1130 * predicates.md (incdec_operand): Use TARGET_INCDEC
1131 (aligned_operand): Avoid memory mismatch stalls.
1132 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1133 * ppro.md: Enable for generic32
1134 * i386.c (generic64_cost, generic32_cost): New.
1135 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1136 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1137 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1138 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1139 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1140 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1141 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1142 x86_accumulate_outgoing_args, x86_prologue_using_move,
1143 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1144 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1146 (x86_use_incdec, x86_pad_returns): New.
1147 (override_options): Add generic32 and generic64, translate "generic"
1148 to generic32/generic64 and "i686" to "generic32", refuse
1149 "generic32"/"generic64" as arch target.
1150 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1151 (ix86_reorg): Honor PAD_RETURNS.
1153 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1155 * tree-pretty-print.c (dump_generic_node): Handle
1156 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1157 * cgraph.c (cgraph_expand_queue): Rename from
1158 cgraph_analyze_queue. Update all users.
1159 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1160 cgraph_expand_queue.
1161 (cgraph_expand_all_functions): Likewise.
1162 (cgraph_finalize_pending_functions): Remove. Update callers.
1164 * tree.h (OMP_DIRECTIVE_P): Define.
1165 (OMP_PARALLEL_FN): Define.
1166 (OMP_PARALLEL_DATA_ARG): Define.
1167 (OMP_SECTIONS_SECTIONS): Define.
1168 * tree-pass.h (pass_expand_omp): Declare.
1169 * omp-low.c (struct omp_region): Declare.
1170 (struct omp_context): Remove fields 'parallel_type',
1171 'parallel_start_ix' and 'parallel_start_additional_args'.
1173 (struct omp_for_data): Rename from struct expand_omp_for_data.
1174 (omp_regions): New static variable.
1175 (root_omp_region): New static variable.
1176 (find_omp_clause): Make static.
1177 (is_in_combined_parallel_ctx): Remove.
1178 (is_combined_parallel): New.
1179 (extract_omp_for_data): Move earlier in the file.
1180 (workshare_safe_to_combine_p): New.
1181 (get_ws_args_for): New.
1182 (determine_parallel_type): Move earlier in the file.
1183 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1185 (omp_copy_decl): Likewise.
1186 (create_omp_child_function): Likewise.
1187 (lookup_omp_region): New.
1188 (dump_omp_region): New.
1189 (debug_omp_region): New.
1190 (debug_all_omp_regions): New.
1191 (new_omp_region): New.
1192 (scan_omp_parallel): If parallel_nesting_level > 1, the
1193 directive is nested within another parallel directive.
1194 Set OMP_PARALLEL_FN.
1195 (scan_omp_for): Do not try to handle combined parallel+for
1197 Remove FIXME comment.
1198 (scan_omp_nested): Remove.
1199 (scan_omp_1): Do not call scan_omp_nested when
1200 parallel_nesting_level is > 1.
1201 Do not change the DECL_CONTEXT of local variables found.
1202 (lookup_decl_in_outer_ctx): New.
1203 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1204 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1205 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1206 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1207 If CTX is nested, lookup VAR in the outer context when
1208 building copy assignment.
1209 (lower_send_clauses): Rename from expand_send_clauses.
1210 If CTX is nested, lookup VAR in the outer context when
1211 building copy assignments.
1212 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1213 If CTX is nested, lookup VAR in the outer context when
1214 building copy assignments.
1215 (expand_parallel_call): Rename from build_parallel_call.
1216 Handle combined parallel+workshare cases.
1217 Re-implement to emit code into the CFG.
1219 (expand_omp_parallel): Re-implement to emit code into the CFG.
1220 Call move_sese_region_to_fn to outline the sub-graph
1221 containing the parallel region.
1222 (expand_omp_for_1): Remove.
1223 (expand_omp_for_generic): Re-implement to emit code into the
1225 (expand_omp_for_static_nochunk): Likewise.
1226 (expand_omp_for_static_chunk): Likewise.
1227 (expand_omp_for): Likewise.
1228 (expand_omp_sections): Likewise.
1229 (remove_exit_barriers): New.
1230 (expand_omp_synch): New.
1232 (build_omp_regions_1): New.
1233 (build_omp_regions): New.
1234 (execute_expand_omp): New.
1235 (gate_expand_omp): New.
1236 (pass_expand_omp): Define.
1237 (lower_omp_sections): Rename from expand_omp_sections.
1238 Set OMP_SECTIONS_SECTIONS.
1239 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1240 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1241 (lower_omp_single): Rename from expand_omp_simple.
1242 (lower_omp_master): Rename from expand_omp_master.
1243 (lower_omp_ordered): Rename from expand_omp_ordered.
1244 (lower_omp_critical): Rename from expand_omp_critical.
1245 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1246 (lower_omp_for): Re-implement.
1247 (lower_omp_parallel): Re-implement.
1248 (lower_regimplify): Rename from expand_regimplify.
1249 (lower_omp_1): Rename from expand_omp_1.
1250 If there are syntax errors in the program, replace every
1251 OpenMP directive with NOP.
1252 Call lower_omp_* instead of expand_omp_*.
1253 (lower_omp): Rename from expand_omp.
1255 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1256 * tree-gimple.h (enum omp_parallel_type): Remove.
1257 (gimple_boolify): Declare extern.
1258 (find_omp_clause, determine_parallel_type): Remove.
1260 * gimple-low.c (lower_omp_directive): New.
1261 (lower_stmt): Call it.
1262 (record_vars_into): Move from ...
1263 (record_vars): ... here.
1264 Call record_vars_into with current_function_decl.
1266 * gimplify.c (struct gimplify_ctx): Remove fields
1267 combined_pre_p and combined_ctxp. Update users.
1268 (get_formal_tmp_var): Add documentation.
1269 (gimple_boolify): Make extern.
1270 (gimplify_expr_in_ctx): Remove. Update callers.
1271 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1272 will always be a BIND_EXPR.
1273 (gimplify_expr): Handle OMP_RETURN_EXPR.
1274 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1275 (OMP_PARALLEL): Add 3 operands.
1276 (OMP_SECTIONS): Add 1 operand.
1277 (OMP_RETURN_EXPR): Define.
1279 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1280 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1281 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1282 creating a circular free list.
1283 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1285 * tree-flow.h (move_sese_region_to_fn): Declare.
1286 (record_vars_into): Declare.
1287 * tree-cfg.c (make_omp_sections_edges): New.
1288 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1289 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1290 OMP_SECTIONS and OMP_SECTION.
1291 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1292 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1293 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1294 (gather_blocks_in_sese_region): New.
1295 (struct move_stmt_d): Declare.
1297 (move_block_to_fn): New.
1298 (move_sese_region_to_fn): New.
1300 * passes.c (init_optimization_passes): Schedule
1301 pass_expand_omp after pass_init_datastructures.
1303 * tree-ssa-operands.c (get_expr_operands): Handle
1304 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1305 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1307 2006-01-19 Jeff Law <law@redhat.com>
1309 * tree-vrp.c (extract_range_from_assert): Refine the result range
1310 if the variable referenced by the ASSERT_EXPR has a range and
1311 either the tentative result range or the previous range is a
1314 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1316 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1318 2006-01-19 Jan Hubicka <jh@suse.cz>
1320 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1322 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1324 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1325 (expand_compound_operation, expand_field_assignment): Fail if the
1326 bit lengths of an extract operation are out of range.
1327 (make_extraction): Compute wanted_inner_mode based on the position
1328 and length of the extraction. Make it extraction_mode for non-constant
1329 positions, and do not modify offset in that case. When generating a
1330 new MEM, use a mode that can hold the extraction while keeping correct
1331 alignment. Remove code that supported MEMs wrapped by USEs.
1332 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1334 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1336 * config/s390/s390.md ("Y", "y"): New mode attribute.
1337 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1338 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1339 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1340 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1341 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1342 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1343 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1344 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1345 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1346 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1347 "addsi3", "subsi3"): Insn patterns removed.
1348 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1349 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1350 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1351 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1352 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1353 "*sub<mode>3_cconly2"): New insn patterns.
1354 ("addsi3", "subsi3"): New expanders.
1356 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1358 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1359 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1360 existing STMT_VINFO_VECTYPE if available.
1361 (vect_mark_relevant): Add special handling for stmts that are
1362 marked as STMT_VINFO_IN_PATTERN_P.
1363 (vect_analyze_loop): Call vect_pattern_recog.
1364 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1365 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1367 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1368 (vect_recog_func_ptr): New function-pointer type.
1369 * tree-vect-patterns.c: New file.
1370 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1371 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1372 (vect_pattern_recog_1): New functions.
1373 (vect_pattern_recog_funcs): New array of function pointers.
1375 * tree-vectorizer.h (ternary_op): New enum value.
1376 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1377 declaration. Revised documentation. Removed redundant dump prints.
1378 Removed redundant argument. Added support for reduction patterns.
1379 (vectorizable_reduction): Added support for reduction patterns.
1380 (vect_transform_stmt): Added support for patterns.
1382 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1383 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1384 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1385 (expand_widen_pattern_expr): New function.
1386 (init_optabs): Initialize new optabs udot_prod_optab,
1388 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1389 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1390 (expand_widen_pattern_expr): New function declaration.
1391 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1393 * tree-inline.c (estimate_num_insns_1): Added cases for new
1394 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1395 * tree-pretty-print.c (dump_generic_node): Likewise.
1396 (op_prio): Likewise.
1397 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1398 * tree-ssa-operands.c (get_expr_operands): Added case for
1400 * tree-vect-patterns.c (widened_name_p): New function.
1401 (vect_recog_dot_prod_pattern): Added function implementation.
1402 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1403 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1404 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1405 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1407 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1408 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1409 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1410 (init_optabs): Initialize new optabs widen_ssum_optab,
1412 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1413 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1414 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1415 use instead of type of def.
1416 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1417 function implementation.
1418 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1419 widen_ssumv8hi): New.
1421 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1424 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1427 * c-decl.c (add_flexible_array_elts_to_size): New function.
1428 (finish_decl): Use it.
1430 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1432 * diagnostic.h: Include options.h.
1433 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1434 dependancies for diagnostic.h.
1435 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1437 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1439 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1440 (ssa_ro_call_cache_valid): Ditto.
1441 * tree-ssa-alias.c (sort_tags_by_id): New function.
1442 (init_transitive_clobber_worklist): Ditto.
1443 (add_to_worklist): Ditto.
1444 (mark_aliases_call_clobbered): Ditto.
1445 (compute_tag_properties): Ditto.
1446 (set_initial_properties): Ditto.
1447 (compute_call_clobbered): Ditto.
1448 (compute_may_aliases): Call compute_call_clobbered and grouping.
1449 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1450 (compute_flow_insensitive_aliasing): Grouping now happens in our
1452 (setup_pointers_and_addressables): Remove clobbering related code.
1453 (add_may_alias): Ditto.
1454 (replace_may_alias): Ditto.
1455 (get_nmt_for): Ditto.
1456 (create_global_var):
1457 (is_escape_site): Return an escape_type enumeration.
1458 * tree-flow-inline.h (is_call_clobbered): Global var does not
1459 imply call clobbered.
1460 (mark_call_clobbered): Take a reason for marking this. Remove
1461 marking of globalness, and cache invalidation.
1462 (clear_call_clobbered): Remove cache invalidation code.
1463 * tree-dfa.c (dump_variable): If details is on, dump the reason
1465 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1467 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1468 (struct var_ann_d): Ditto.
1469 (enum escape_type): New.
1470 (mark_call_clobbered): Adjust prototype.
1471 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1472 are never call clobbered.
1473 Record reasons for escaping.
1474 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1475 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1476 (ssa_ro_call_cache_valid): Ditto.
1477 (clobbered_v_may_defs): Ditto.
1478 (clobbered_vuses): Ditto.
1479 (ro_call_vuses): Ditto.
1480 (clobber_stats): New.
1481 (init_ssa_operands): Zero out clobber stats.
1482 (fini_ssa_operands): Print out clobber stats.
1483 (get_call_expr_operands): Pass callee fndecl to
1485 (add_call_clobber_ops): Remove use of cache.
1486 Add use of PURE_CONST information.
1487 (add_call_read_ops): Remove use of cache.
1488 Add use of static not_read information.
1490 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1492 Introduce TLS descriptors for i386 and x86_64.
1493 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1494 (TARGET_ANY_GNU_TLS): New macro.
1495 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1496 (struct machine_function): Add tls_descriptor_call_expanded_p.
1497 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1498 (ix86_current_function_calls_tls_descriptor): Likewise.
1499 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1500 (override_options): Introduce gnu2 tls dialect.
1501 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1503 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1505 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1506 (ix86_init_machine_status): Initialize new field.
1507 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1508 (ix86_tls_module_base): New.
1509 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1510 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1511 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1512 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1513 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1514 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1515 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1516 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1517 * config/i386/predicates.md (tls_modbase_operand): New.
1518 (tp_or_register_operand): New.
1520 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1522 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1523 (look_for_address_of): Ditto.
1524 (ipa_init): Walk the function decls.
1525 (static_execute): Don't set readonly on FUNCTION_DECL's.
1527 2006-01-18 Roger Sayle <roger@eyesopen.com>
1529 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1530 for shifts where the source and destination registers are different.
1532 2006-01-18 Paul Brook <paul@codesourcery.com>
1534 Merge from csl-arm-branch.
1535 2005-03-14 Julian Brown <julian@codesourcery.com>
1536 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1537 (aeabi_llsl): Likewise.
1538 (ashrdi3): Likewise.
1539 (aeabi_lasr): Likewise.
1540 (lshrdi3): Likewise.
1541 (aeabi_llsr): Likewise.
1542 2005-03-10 Julian Brown <julian@codesourcery.com>
1543 * config.gcc: Disable shared libgcc for SymbianOS.
1544 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1546 2006-01-18 DJ Delorie <dj@redhat.com>
1548 * c-pragma.c (handle_pragma_diagnostic): New.
1549 (init_pragma): Register it.
1550 * doc/extend.texi: Document it.
1552 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1553 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1554 (diagnostic_context): Add classify_diagnostic[].
1555 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1556 as errors if they're overridden to DK_WARNING.
1557 (diagnostic_initialize): Initialize classify_diagnostic[].
1558 (diagnostic_set_kind_override): New.
1559 (diagnostic_report_diagnostic): Check for kind changes.
1560 * opts.c (common_handle_option): Take lang_mask. Update callers.
1562 * common.opt (Werror=): New.
1563 * doc/invoke.texi: Document -Werror=*
1565 2006-01-18 Jeff Law <law@redhat.com>
1567 * tree-vrp.c (test_for_singularity): Correct test for new
1568 min limit. Use operand_equal_p rather than pointer equality
1569 for testing if new min/max values are equal.
1571 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1572 using range information until after propagation and folding.
1574 2006-01-18 Richard Henderson <rth@redhat.com>
1575 Aldy Hernandez <aldyh@redhat.com>
1576 Jakub Jelinek <jakub@redhat.com>
1577 Diego Novillo <dnovillo@redhat.com>
1579 * omp-low.c: New file.
1580 * c-omp.c: New file.
1582 2006-01-18 Richard Henderson <rth@redhat.com>
1583 Jakub Jelinek <jakub@redhat.com>
1584 Diego Novillo <dnovillo@redhat.com>
1586 * doc/invoke.texi: Document -fopenmp.
1587 * tree-dump.h (debug_function): Declare.
1588 * hooks.c (hook_bool_tree_bool_false): New function.
1589 (hook_tree_tree_null): Remove.
1590 (hook_tree_tree_tree_null): New.
1591 * hooks.h: Update to match.
1592 * tree-pretty-print.c (debug_tree_chain): New.
1593 (print_generic_expr): Handle TDF_CHAIN.
1594 (dump_generic_node): Handle BLOCK.
1595 Do not abort with incomplete SWITCH_EXPRs.
1596 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1597 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1598 print space after directive name.
1599 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1600 Handle OMP_MASTER and OMP_ORDERED.
1601 Handle printing of OMP_BODY just in one place, goto
1602 dump_omp_body in the rest of OMP_* nodes that have
1604 Don't handle clause nodes here. Update omp statements to
1605 use dump_omp_clauses.
1606 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1607 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1608 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1609 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1610 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1611 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1612 Adjust output for GOMP_PARALLEL.
1613 (dump_omp_clauses): New.
1614 (print_declaration): Dump DECL_VALUE_EXPR.
1615 (op_symbol_1): Split out of op_symbol.
1616 (dumping_stmts): Remove. Update all users.
1617 * cgraph.c (cgraph_analyze_queue): New.
1618 (cgraph_add_new_function): New.
1619 * cgraph.h (cgraph_analyze_queue): Declare.
1620 (cgraph_add_new_function): Declare.
1621 (cgraph_lower_function): Remove.
1622 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1623 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1624 and TYPE_P nodes in its default clause.
1625 (empty_body_p): New.
1626 (tree_range_check_failed): New.
1628 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1629 OMP_CLAUSE_REDUCTION_MERGE,
1630 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1631 OMP_CLAUSE_PRIVATE_DEBUG,
1632 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1633 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1634 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1635 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1636 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1637 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1638 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1639 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1640 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1641 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1642 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1643 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1644 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1645 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1646 (TREE_RANGE_CHECK): New.
1647 (empty_body_p): Declare.
1648 (enum omp_clause_default_kind): New.
1649 (build_string_literal): Declare.
1650 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1651 (build5_stat, build5): Declare.
1652 * tree-pass.h (TDF_CHAIN): Define.
1653 * tree-pass.h (PROP_gimple_lomp): Define.
1654 (pass_lower_omp): Declare.
1655 * diagnostic.h (debug_tree_chain): Declare.
1656 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1658 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1659 * builtins.c (build_string_literal): Make extern.
1660 * gcc.c (include_spec_function): New.
1661 (static_spec_functions): Add it.
1662 (main): Move load of libgomp.spec ...
1663 (LINK_COMMAND_SPEC): ... here.
1664 (link_gomp_spec): New.
1665 (static_specs): Include it.
1666 (LINK_COMMAND_SPEC): Add link_gomp.
1667 (GOMP_SELF_SPECS): New.
1668 (driver_self_specs): Include it.
1669 (switch_matches): Don't mark inline.
1670 (main): Load libgomp.spec.
1671 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1672 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1673 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1674 * tree-gimple.h (enum omp_parallel): Declare.
1675 (determine_parallel_type): Declare.
1676 (omp_firstprivatize_variable): Declare.
1677 (omp_reduction_init): Declare.
1678 (diagnose_omp_structured_block_errors): Declare.
1679 (struct walk_stmt_info): Add want_return_expr.
1680 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1681 (find_omp_clause): Declare.
1682 (insert_field_into_struct): Declare.
1683 (struct walk_stmt_info): Move from tree-nested.c
1684 (walk_stmts): Declare.
1685 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1687 * cgraphunit.c (cgraph_lower_function): Make static.
1688 (cgraph_finalize_pending_functions): New.
1689 (cgraph_finalize_function): Call it.
1690 (cgraph_finalize_compilation_unit): Likewise.
1691 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1692 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1693 (BT_FN_UINT_UINT): New.
1694 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1695 DEF_FUNCTION_TYPE_VAR_4): Document.
1696 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1697 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1698 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1699 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1700 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1701 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1702 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1703 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1704 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1705 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1706 into separate files.
1707 (DEF_GOMP_BUILTIN): New.
1708 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1709 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1710 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1711 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1712 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1713 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1714 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1715 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1716 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1717 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1718 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1719 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1720 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1721 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1722 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1723 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1724 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1725 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1726 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1727 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1728 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1729 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1730 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1731 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1732 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1733 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1734 * sync-builtins.def: New file, moved from builtins.def.
1735 * omp-builtins.def: New file, moved from builtins.def.
1736 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1737 * gimple-low.c (lower_function_body): Clear data.
1738 (lower_stmt): Do not handle COMPOUND_EXPR.
1739 Remove call to print_node_brief.
1740 * c-tree.h (c_finish_omp_clauses): New prototype.
1741 (C_DECL_THREADPRIVATE_P): Define.
1742 (lookup_name_no_remap, c_omp_remap_private): Remove
1743 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1744 (check_for_loop_decls): Update decl.
1745 (lookup_name_no_remap, c_omp_remap_private): Declare.
1746 (build_indirect_ref, build_modify_expr, pushdecl,
1747 pushdecl_top_level): Move to c-common.h.
1748 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1749 before the switch, but just in the 2 places that need it.
1750 * c-decl.c (diagnose_mismatched_decls): Do not check for
1751 mismatched thread-local attributes when OLDDECL is marked
1752 threadprivate and NEWDECL has no thread-local attributes.
1753 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1754 (c_gimple_diagnostics_recursively): Rename from
1755 c_warn_unused_result_recursively. Invoke
1756 diagnose_omp_structured_block_errors.
1757 (check_for_loop_decls): Return a singular decl found.
1758 * langhooks.c (lhd_omp_predetermined_sharing): Return
1759 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1760 (lhd_omp_firstprivatize_type_sizes): New.
1761 (lhd_omp_assignment): New.
1762 (lhd_omp_predetermined_sharing): New.
1763 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1764 (struct lang_hooks_for_types): Add
1765 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1766 omp_predetermined_sharing, omp_disregard_value_expr,
1767 omp_private_debug_clause, omp_clause_default_ctor,
1768 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1769 (c_finish_omp_clauses): New.
1770 (c_finish_bc_stmt): Diagnose break within omp for.
1771 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1772 (build_unary_op): Return error_mark after reporting
1774 (build_modify_expr): Likewise.
1775 * gimplify.c: Include optabs.h and pointer-set.h.
1776 (enum gimplify_omp_var_data): Declare.
1777 (struct gimplify_omp_ctx): Declare.
1778 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1780 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1781 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1782 (splay_tree_compare_decl_uid): New.
1783 (new_omp_context): New.
1784 (delete_omp_context): New.
1785 (gimple_add_tmp_var): Call omp_add_variable.
1786 (gimplify_bind_expr): Likewise.
1787 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1788 true, disregard DECL_VALUE_EXPR on the decl if any.
1789 (gimplify_expr_in_ctx): New.
1790 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1791 omp_add_variable, omp_notice_variable, omp_is_private
1792 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1793 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1794 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1795 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1796 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1797 gimplify_omp_atomic): New.
1798 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1799 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1800 OMP_CRITICAL and OMP_ATOMIC.
1801 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1802 * c-pragma.h (enum pragma_kind): Add
1803 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1804 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1805 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1806 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1807 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1808 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1809 PRAGMA_OMP_THREADPRIVATE.
1810 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1811 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1812 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1813 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1814 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1815 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1816 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1817 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1818 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1819 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1820 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1821 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1822 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1824 (struct nesting_info): Add field_map,
1825 suppress_expansion, debug_var_chain.
1826 (create_nesting_tree): Initialize them.
1827 (lookup_field_for_decl): Use field_map.
1828 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1829 (convert_local_omp_clauses): New.
1830 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1831 (walk_body): Split out of walk_function.
1832 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1833 (convert_nonlocal_reference): Handle omp statements.
1834 (convert_local_reference): Likewise.
1835 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1836 (unnest_nesting_tree): New.
1837 (lower_nested_functions): Call it.
1838 (insert_field_into_struct): Make extern.
1839 (struct walk_stmt_info): Move to tree-gimple.h.
1840 (walk_stmts): Make extern.
1841 * omp-builtins.def: New file.
1842 * tree-iterator.c (expr_only): Clarify comment.
1843 * c-common.h (pushdecl_top_level, pushdecl,
1844 build_modify_expr, build_indirect_ref,
1845 c_finish_omp_master, c_finish_omp_critical,
1846 c_finish_omp_ordered, c_finish_omp_barrier,
1847 c_finish_omp_atomic, c_finish_omp_flush,
1848 c_finish_omp_for, c_split_parallel_clauses,
1849 omp_clause_default_kind, c_omp_sharing_predetermined,
1850 c_omp_remap_decl): Declare.
1851 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1852 (OBJS-common): Add omp-low.o.
1853 (c-omp.o, omp-low.o): Add.
1854 (gimplify.o): Add dependency on $(OPTABS_H).
1855 (GTFILES): Add omp-low.c.
1856 (gt-stringpool.h): Add.
1857 * tree-cfg.c (set_bb_for_stmt): Do not update the
1858 block-to-labels map if we are currently expanding to RTL.
1859 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1861 Handle IDENTIFIER_NODE.
1862 (tree_verify_flow_info): Do not ICE when emitting error
1863 messages about invalid labels.
1864 (dump_function_to_file): Reset CFUN before emitting the body
1866 (debug_function): New.
1867 * passes.c (init_optimization_passes): Schedule
1869 * langhooks-def.h (lhd_omp_predetermined_sharing,
1870 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1872 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1873 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1874 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1875 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1876 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1877 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1878 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1879 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1880 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1881 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1882 (LANG_HOOK_DECLS): Use them.
1884 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1885 Richard Henderson <rth@redhat.com>
1886 Jakub Jelinek <jakub@redhat.com>
1887 Diego Novillo <dnovillo@redhat.com>
1889 * c-parser.c (pragma_omp_clause): Define.
1890 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1891 (c_parser_compound_statement): Likewise.
1892 (c_parser_statement): Likewise.
1893 (c_parser_pragma): Handle omp pragmas.
1894 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1895 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1896 (c_parser_omp_clause_name, check_no_duplicate_clause,
1897 c_parser_omp_variable_list,
1898 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1899 c_parser_omp_clause_copyprivate,
1900 c_parser_omp_clause_default,
1901 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1902 c_parser_omp_clause_lastprivate,
1903 c_parser_omp_clause_nowait,
1904 c_parser_omp_clause_num_threads,
1905 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1906 c_parser_omp_clause_reduction,
1907 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1908 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1909 c_parser_omp_atomic, c_parser_omp_barrier,
1910 c_parser_omp_critical, c_parser_omp_flush,
1911 c_parser_omp_for_loop, c_parser_omp_for,
1912 c_parser_omp_master, c_parser_omp_ordered,
1913 c_parser_omp_sections_scope, c_parser_omp_sections,
1914 c_parser_omp_parallel, c_parser_omp_single,
1915 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1916 * c-pragma.c (init_pragma): Do omp pragma registration here.
1917 * c.opt (fopenmp): New flag.
1919 2006-01-18 Eric Christopher <echristo@apple.com>
1921 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1922 * config/darwin.h (GOMP_SELF_SPECS): Define.
1924 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1926 * rtl.h: Remove the prototype for reg_alloc.
1928 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1931 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1932 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1933 sjlj and dwarf2 exception handling.
1934 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1935 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1936 * pa/pa.c (function_value): Treat complex and vector types as
1938 (function_arg): Likewise. Only pass scalar floats in the floating
1939 point argument registers.
1940 * pa/t-slibgcc-dwarf-ver: New file.
1941 * pa/t-slibgcc-sjlj-ver: New file.
1942 * pa/t-slibgcc-elf-ver: Delete file.
1944 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1946 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1947 unlikely_test_section_p test.
1949 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1951 * mode-switching.c (optimize_mode_switching): Make it static.
1952 * basic-block.h: Remove the prototype for
1953 optimize_mode_switching.
1955 * modulo-sched.c (sms_schedule): Make it static.
1956 * rtl.h: Remove the prototype for sms_schedule.
1958 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1959 * rtl.h: Remove the prototype for gcse_after_reload_main.
1961 * reg-stack.c (reg_to_stack): Make it static.
1962 * rtl.h: Remove the prototype for reg_to_stack.
1964 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1966 * rtl.h: Remove the prototypes for regrename_optimize and
1967 copyprop_hardreg_forward.
1969 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1971 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1972 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1973 Test against the appropriate null constant for the mode.
1974 If 'fixup_overlap' is true, swap the operands if they overlap.
1975 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1976 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1977 alpha_split_tmode_pair and adjust for above change.
1978 * config/alpha/alpha.md (movtf_internal): Adjust call to
1979 alpha_split_tfmode_pair and rely on it to swap the operands.
1980 (movti_internal): New insn and post-reload splitter.
1981 (movti): New expander.
1983 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1985 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1988 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1990 * rtlanal.c (global_reg_mentioned_p_1,
1991 global_reg_mentioned_p): Remove.
1992 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1994 * flow.c (initialize_uninitialized_subregs): Make it static.
1995 * rtl.h: Remove the prototype for
1996 initialize_uninitialized_subregs.
1998 * function.c (instantiate_virtual_regs): Make it static.
1999 * function.h: Remove the prototype for
2000 instantiate_virtual_regs.
2002 * regmove.c (regmove_optimize, combine_stack_adjustments):
2004 * rtl.h: Remove the prototypes for regmove_optimize and
2005 combine_stack_adjustments.
2007 2006-01-17 Roger Sayle <roger@eyesopen.com>
2009 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2010 (size_cost): Encode costs in bytes so that a reg-reg addition is
2011 equivalent to COSTS_N_INSNS(1).
2012 (override_options): Use the size_cost.branch_cost as the default
2013 ix86_branch_cost when optimizing for size.
2015 2006-01-18 Ben Elliston <bje@au.ibm.com>
2017 * Makefile.in (D32PBIT_FUNCS): New.
2018 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2019 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2020 D64PBIT_FUNCS and D128PBIT_FUNCS.
2021 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2022 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2024 (decnumber_dep): Define.
2025 * doc/libgcc.texi (Decimal float library routines): New node.
2026 * config/dfp-bit.h, config/dfp-bit.c: New files.
2028 2006-01-18 Ben Elliston <bje@au.ibm.com>
2030 * expr.c (emit_move_change_mode): Always adjust addresses, not
2031 just during reload. Copy replacements only during reload.
2032 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2033 emit_move_via_integer.
2035 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2037 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2038 instead of $(srcdir) and ${srcdir}.
2040 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2044 * arm.h (struct machine_function): Add pic_reg.
2045 * arm.c (arm_pic_register): Make unsigned.
2046 (arm_override_options): Only set arm_pic_register if
2047 TARGET_SINGLE_PIC_BASE.
2048 (use_return_insn): Only test for a pic register if it is fixed.
2049 (arm_compute_save_reg0_reg12_mask): Likewise.
2050 (thumb_compute_save_reg_mask): Likewise.
2051 (legitimate_pic_operand): Factor out some known invariants.
2052 (legitimize_pic_address): If we don't have a fixed pic register,
2053 then set up a pseudo in the function entry sequence. Handle the
2054 pic base being in a pseudo.
2055 (arm_load_pic_register): Handle the pic register being in a pseudo.
2056 (arm_expand_prologue): Only set up the pic register if it is fixed.
2057 (thumb_expand_prologue): Likewise.
2058 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2059 (pic_load_addr_based_insn): Likewise.
2060 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2063 2006-01-18 Ben Elliston <bje@au.ibm.com>
2065 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2066 decimal float modes for all floating point registers.
2068 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2069 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2071 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2074 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2075 even when the pointer is not NULL.
2077 2006-01-16 Ian Lance Taylor <ian@airs.com>
2079 * common.opt (ftoplevel-reorder): New option.
2080 * cgraph.c (cgraph_asm_nodes): New global variable.
2081 (cgraph_asm_last_node): New static variable.
2082 (cgraph_order): New global variable.
2083 (cgraph_create_node): Set new order field.
2084 (cgraph_varpool_node): Likewise.
2085 (decide_is_variable_needed): Return true if not
2086 flag_toplevel_reorder.
2087 (cgraph_add_asm_node): New function.
2088 * cgraph.h (struct cgraph_node): Add order field.
2089 (struct cgraph_varpool_node): Add order field.
2090 (struct cgraph_asm_node): Define.
2091 (cgraph_asm_nodes, cgraph_order): Declare.
2092 (cgraph_add_asm_node): Declare.
2093 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2095 (cgraph_varpool_assemble_pending_decls): Call it.
2096 (cgraph_output_pending_asms): New static function.
2097 (cgraph_finalize_compilation_unit): Call it.
2098 (struct cgraph_order_sort): Define.
2099 (cgraph_output_in_order): New static function.
2100 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2101 !flag_toplevel_reorder case.
2102 * c-parser.c: Include "cgraph.h".
2103 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2105 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2106 than -fno-unit-at-a-time.
2107 * doc/invoke.texi (Option Summary): Mention
2108 -fno-toplevel-reorder.
2109 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2110 -funit-at-a-time documentation.
2112 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2113 Kazu Hirata <kazu@codesourcery.com>
2115 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2117 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2119 * Makefile.in (FUNCTION_H): New. Use it instead of
2120 function.h throughout the file.
2121 * function.h: Include tree.h.
2123 2006-01-17 Ben Elliston <bje@au.ibm.com>
2125 * recog.c: Separate some functions with whitespace.
2127 2006-01-16 Richard Henderson <rth@redhat.com>
2129 Merge from gomp branch:
2130 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2131 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2132 and rename from struct inline_data. Rename callee* to dst*;
2133 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2134 transform_new_cfg, transform_return_to_modify, and
2135 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2137 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2138 (copy_decl_for_dup): Remove.
2139 * tree-inline.c (struct inline_data): Move to header.
2140 (insert_decl_map): Export.
2141 (remap_decl): Update for member name changes. Use copy_decl hook.
2142 Allow for replacement to be a non-decl. Remove dead code.
2143 (remap_type_1): Check for existing mapping.
2144 (remap_type): Export.
2145 (remap_decls): Update for member name changes.
2146 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2147 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2148 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2149 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2150 (tree_function_versioning, build_duplicate_type): Likewise.
2151 (copy_body_r): Likewise. Export.
2152 (copy_decl_for_dup): Split into ...
2153 (copy_decl_for_dup_finish, copy_decl_to_var,
2154 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2155 (replace_ref_tree, inlining_p): Remove.
2157 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2159 * ifcvt.c (if_convert): Make it static.
2160 * rtl.h: Remove the prototype for if_convert.
2162 * local-alloc.c (local_alloc): Make it static.
2163 * rtl.h: Remove the prototype for local_alloc.
2165 * loop.c (loop_optimize): Make it static.
2166 * cfgloop.h: Remove the prototype for loop_optimize.
2169 2006-01-16 DJ Delorie <dj@redhat.com>
2171 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2174 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2176 * pa.md: Disparage copies between general and floating-point registers
2177 in 32-bit move patterns.
2179 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2182 * Makefile.in (check-%): Depend on site.exp instead of
2183 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2186 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2188 * global.c (global_alloc): Make it static.
2189 * rtl.h: Remove the prototype for global_alloc.
2191 2006-01-16 Richard Guenther <rguenther@suse.de>
2193 * tree-ssa-alias.c (struct used_part): Add write_only field.
2194 (get_or_create_used_part_for): Initialize it to true.
2195 (create_overlap_variables_for): Don't create structure variables
2196 for structures that only are written to.
2197 (find_used_portions): Handle MODIFY_EXPR to track whether a
2198 structure is only written to.
2200 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2202 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2204 * basic-block.h: Remove the prototype for
2205 partition_hot_cold_basic_blocks.
2207 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2209 * cppspec.c (lang_specific_spec_functions): Remove.
2210 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2211 * gcc.h (lang_specific_spec_functions): Remove.
2212 * gccspec.c (lang_specific_spec_functions): Remove.
2214 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2216 * combine.c (record_value_for_reg): Invalidate registers
2218 (record_dead_and_set_regs_1): Likewise, by passing them to
2219 record_value_for_reg.
2220 (record_dead_and_set_regs): Invalidate stores made by a
2221 call. We do not combine across a call, but we still
2222 relied on equivalences.
2224 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2226 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2227 vrp_int_const_binop returning non-constant nodes.
2229 2006-01-16 Paul Brook <paul@codesourcery.com>
2231 * config/m68k/m68k.c (output_move_const_into_data_reg):
2232 Output correct mnemonic for mvz and mvs.
2234 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2236 * rtl-factoring.c: Add sequence abstraction algorithm.
2237 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2238 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2240 (block_has_preserve_label): New function.
2241 * common.opt: Register new pass.
2242 * Makefile.in: Ditto.
2244 * timevar.def: Ditto.
2245 * tree-pass.h: Ditto.
2246 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2247 * rtl.h (make_jump_insn_raw): Add forward decl.
2248 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2250 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2251 Roger Sayle <roger@eyesopen.com>
2253 * fold-const.c (fold_minmax): New static function.
2254 (fold_binary) <MIN_EXPR>: Call it.
2255 <MAX_EXPR>: Likewise.
2256 * stor-layout.c (place_field): Use DECL_SIZE consistently
2257 in the computation of the new record size.
2259 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2261 * cse.c (cse_condition_code_reg): Make it static.
2262 * rtl.h: Remove the prototype for cse_condition_code_reg.
2264 * combine.c (combine_instructions): Make it static.
2265 * rtl.h: Remove the prototype for combine_instructions.
2267 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2270 * tree.c (get_file_function_name_long): Concatenate the first global
2271 object name with a string derived from the input filename of the object
2274 2006-01-16 Ben Elliston <bje@au.ibm.com>
2276 * config/i386/winnt-stubs.c: Update FSF address.
2277 * config/xtensa/ieee754-df.S: Ditto.
2278 * config/xtensa/ieee754-sf.S: Ditto.
2280 2006-01-14 Ian Lance Taylor <ian@airs.com>
2282 * ifcvt.c (noce_init_if_info): New static function, broken out of
2283 noce_process_if_block.
2284 (noce_process_if_block): Call noce_init_if_info.
2285 (check_cond_move_block): New static function.
2286 (cond_move_process_if_block): New static function.
2287 (process_if_block): Call cond_move_process_if_block.
2289 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2291 * cselib.c (hash_table): Rename to cselib_hash_table.
2292 (cselib_clear_table, discard_useless_values,
2293 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2294 cselib_init, cselib_finish): Adjust uses of hash_table.
2296 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2298 PR tree-optimization/25485
2299 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2300 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2301 is known to be false and true, respectively.
2303 2006-01-14 Richard Guenther <rguenther@suse.de>
2305 PR tree-optimization/22548
2306 PR tree-optimization/22555
2307 PR tree-optimization/22501
2308 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2309 * params.def (salias-max-array-elements): New parameter.
2310 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2311 * doc/invoke.texi (salias-max-array-elements): Document.
2312 * tree-flow-inline.h (var_can_have_subvars): We also handle
2314 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2316 * tree-ssa-structalias.c (params.h): Include.
2317 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2318 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2319 (get_constraint_for): For ADDR_EXPR operating on something
2320 containing an ARRAY_REF, add all subvars to the solution.
2321 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2322 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2323 for creating MUST_DEFs.
2324 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2326 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2328 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2330 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2331 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2332 number_of_iterations_le): New functions.
2333 (number_of_iterations_special): Removed.
2334 (number_of_iterations_exit): Do not use number_of_iterations_special.
2335 * tree.c (unsigned_type_for): Always return integer type.
2337 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2338 Richard Guenther <rguenther@suse.de>
2340 PR rtl-optimization/24257
2341 * gcse.c (find_moveable_store): Only consider a store movable
2342 when the SET_SRC of the insn can be assigned to a register.
2344 2006-01-14 Ian Lance Taylor <ian@airs.com>
2346 * tree.c (tree_not_class_check_failed): New function.
2347 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2348 (tree_not_class_check_failed): Declare.
2350 2006-01-13 Ian Lance Taylor <ian@airs.com>
2352 * reload1.c (do_output_reload): Add assertion rejecting a
2355 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2357 * combine.c (struct reg_stat): Add new fields truncation_label and
2359 (record_value_for_reg): Reset truncated_to_mode.
2360 (record_truncated_value): New function.
2361 (check_promoted_subreg): Call it. Rename to check_conversions.
2362 (combine_instructions): Rename check_promoted_subreg to
2364 (reg_truncated_to_mode): New function.
2365 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2366 (gen_lowpart_or_truncate): New function.
2367 (force_to_mode): Use it instead of gen_lowpart.
2369 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2371 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2372 VAR is a tag, not its type tag.
2374 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2376 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2377 alternatives to match style of other entries.
2378 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2380 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2382 PR tree-optimization/25771
2383 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2386 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2389 * tree-inline.c (declare_return_variable): If the return variable
2390 was marked as a non gimple complex, set the return slot variable
2391 to be a non gimple comple variable.
2393 2006-01-13 Richard Guenther <rguenther@suse.de>
2395 * builtins.c (expand_builtin_sincos): New function.
2396 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2398 (expand_builtin): Expand sincos using expand_builtin_sincos.
2400 2006-01-12 DJ Delorie <dj@redhat.com>
2402 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2403 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2404 so that constant shifts can be split.
2405 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2406 (m32c_valid_pointer_mode): Make static.
2407 (shift_gen_func_for): New.
2408 (m32c_prepare_shift): Use it. Split large const shifts into
2410 * config/m32c/predicates.md (shiftcount_operand): Allow more
2412 (longshiftcount_operand): New.
2413 * doc/md.texi (Machine Constraints): Document In6.
2415 2006-01-13 Ben Elliston <bje@au.ibm.com>
2417 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2418 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2421 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2423 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2424 to try to avoid clobbering pieces of structures when we know
2425 something about the whole structure.
2426 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2428 2006-01-13 Ben Elliston <bje@au.ibm.com>
2430 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2431 return in memory, as this is no limitation is no longer present.
2433 2006-01-12 DJ Delorie <dj@redhat.com>
2435 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2436 mova with fb, and for fb+0 -> An.
2438 * config/m32c/mov.md (peephole2): Fix enabling logic.
2440 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2441 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2442 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2443 FINI_ARRAY_SECTION_ASM_OP): Define.
2445 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2447 (m32c_legitimize_reload_address): New logic to reload FB to An.
2448 (m32c_output_reg_push): Add newline.
2449 (m32c_output_reg_pop): Likewise.
2451 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2453 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2455 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2457 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2459 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2461 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2464 2006-01-11 Ben Elliston <bje@au.ibm.com>
2466 * rtlanal.c (find_reg_note): Assert insn is not null.
2468 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2470 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2473 2006-01-11 Jeff Law <law@redhat.com>
2475 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2477 (mark_threaded_blocks, register_jump_thread): New functions.
2478 (thread_through_all_blocks): Remove unwanted argument. No
2479 longer rely on e->aux to communicate thread target info.
2480 Call mark_threaded_blocks. Release the threaded_blocks
2481 bitmap and threaded_edges vector when complete.
2482 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2483 (threaded_blocks): Remove.
2484 (tree_ssa_dominator_optimize): Remove initialization and
2485 finalization of threaded_blocks. Simplify call to
2486 thread_through_all_blocks.
2487 (thread_across_edge): Call register_jump_thread rather than
2488 storing thread information into e->aux.
2489 (free_all_edge_infos): Simplify now that e->aux is no longer
2490 used to communicate with thread_through_all_blocks.
2491 * tree-flow.h (thread_through_all_blocks): Update prototype.
2492 (register_jump_thread): Prototype.
2494 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2496 * df-core.c (df_compact_blocks, df_bb_replace): Use
2497 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2499 2006-01-11 Richard Guenther <rguenther@suse.de>
2501 PR tree-optimization/25734
2502 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2503 stop propagation after successful propagation to the LHS.
2505 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2507 * basic-block.h (control_flow_graph): Change the type of
2508 x_basic_block_info to VEC(basic_block,gc) *.
2509 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2511 (SET_BASIC_BLOCK): New.
2512 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2513 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2514 * cfgbuild.c (find_basic_blocks): Likewise.
2515 * cfglayout.c (fixup_reorder_chain): Likewise.
2516 * cfgrtl.c (create_basic_block_structure,
2517 rtl_create_basic_block): Likewise.
2518 * ifcvt.c (find_if_case_1): Likewise.
2519 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2522 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2524 * Makefile.in: Removed rotted odf.c entry.
2526 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2529 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2530 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2531 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2532 output pattern modifier, not %e.
2533 * config/cris/cris.c (cris_op_str): Update comment about pattern
2535 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2536 before falling through into...
2537 <case 'E'>: Redefined from old 'e' case.
2539 2006-01-11 Jan Hubicka <jh@suse.cz>
2542 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2544 2006-01-11 Jan Hubicka <jh@suse.cz>
2546 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2547 * i386.c (x86_decompose_lea): Kill.
2548 (ix86_rtx_costs): Kill.
2550 2006-01-11 Jan Hubicka <jh@suse.cz>
2552 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2553 * cgraph.h (cgraph_node): Add inline_decl.
2554 (cgraph_insert_node_to_hashtable): Declare.
2555 (save_inline_function_body): Declare.
2556 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2558 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2559 (cgraph_function_versioning): Update call of tree_function_versioning.
2560 (save_inline_function_body): New function.
2561 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2562 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2563 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2564 (cgraph_default_inline_p): Likewise.
2565 (cgraph_decide_inlining_incrementally): Likewise.
2566 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2567 (copy_bb): Kill saving; do updating of clones.
2568 (copy_cfg_body): Kill saving.
2569 (initialize_inlined-parameters): Likewise.
2570 (expand_call_inline): Likewise.
2572 (tree_function_versioning): New parameter "update_clones".
2573 (inlining_p): Kill saving.
2574 * tree-inline.h (tree_function_versioning): Update prototype.
2575 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2578 2006-01-11 Ian Lance Taylor <ian@airs.com>
2580 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2581 Allow undoing set of machine mode.
2582 (do_SUBST): Use enums instead of is_int.
2583 (do_SUBST_MODE): New function.
2584 (SUBST_MODE): New macro.
2585 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2586 reg and trying to replace reg_regno_rtx with a new register.
2587 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2588 (simplify_set): Use SUBST_MODE.
2589 (distribute_notes): Remove code that tried to update reg notes
2590 for regno_reg_rtx changes.
2592 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2594 PR tree-optimization/23109
2595 PR tree-optimization/23948
2596 PR tree-optimization/24123
2598 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2599 * tree-cfg.c (single_noncomplex_succ): New.
2600 * tree-flow.h (single_noncomplex_succ): Declare it.
2601 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2602 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2603 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2604 insert_bb, register_division_in, insert_reciprocals,
2605 replace_reciprocal, free_bb): New.
2606 (execute_cse_reciprocals_1): Rewritten.
2607 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2608 Do not commit any edge insertion. Always compute dominators and
2609 create the allocation pool.
2610 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2611 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2612 * targhooks.c (default_min_divistions_for_recip_mul): New.
2613 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2614 * passes.c (init_optimization_passes): Run recip after tree loop
2616 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2618 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2619 Kenneth Zadeck <zadeck@naturalbridge.com>
2621 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2622 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2623 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2624 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2625 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2626 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2627 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2628 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2629 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2630 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2631 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2632 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2633 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2634 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2635 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2636 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2637 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2638 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2639 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2640 DF_SCAN_POST_ALLOC): New macros.
2641 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2642 df_free_bb_function, df_local_compute_function, df_init_function,
2643 df_dataflow_function, df_confluence_function_0,
2644 df_confluence_function_n, df_transfer_function,
2645 df_finalizer_function, df_free_function, df_dump_problem_function,
2646 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2647 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2648 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2649 df_urec_bb_info, ) New types.
2650 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2652 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2653 df_analyze_simple_change_some_blocks,
2654 df_analyze_simple_change_one_block, df_compact_blocks,
2655 df_bb_replace, df_bb_regno_last_use_find,
2656 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2657 df_insn_regno_def_p, df_find_def, df_find_use,
2658 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2659 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2660 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2661 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2662 debug_df_chain, df_get_dependent_problem, df_chain_create,
2663 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2664 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2665 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2666 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2667 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2668 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2669 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2670 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2671 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2672 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2673 df_reorganize_refs, df_set_state, df_hard_reg_init,
2674 df_read_modify_subreg_p) New public functions.
2675 * df-core.c: The core dataflow solver and glue routines for rtl
2677 (df_init, df_add_problem, df_set_blocks, df_finish,
2678 df_hybrid_search_forward, df_hybrid_search_backward,
2679 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2680 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2681 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2682 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2683 df_reg_defined, df_find_use, df_reg_used, df_dump,
2684 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2685 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2686 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2687 debug_df_useno, reset_df_after_reload): New functions.
2688 * df-scan.c: The scanning fuctions, once in df.c, completely
2689 rewritten so that they now fully model the functionality of
2690 register usage at the backend.
2691 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2692 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2693 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2694 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2695 df_get_artificial_defs, df_get_artificial_uses,
2696 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2697 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2698 df_refs_delete, df_reorganize_refs, df_set_state,
2699 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2700 df_def_record_1, df_defs_record, df_uses_record,
2701 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2702 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2703 df_record_exit_block_uses, df_hard_reg_init): New functions.
2705 * df-problems.c: Seven concrete dataflow problems that use the
2706 scanning in df-scan.c and are solved by the engine in df-core.c.
2707 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2708 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2709 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2710 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2711 df_ru_free_bb_info, df_ru_alloc,
2712 df_ru_bb_local_compute_process_def,
2713 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2714 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2715 df_ru_transfer_function, df_ru_free, df_ru_dump,
2716 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2717 df_rd_free_bb_info, df_rd_alloc,
2718 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2719 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2720 df_rd_transfer_function, df_rd_free, df_rd_dump,
2721 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2722 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2723 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2724 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2725 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2726 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2727 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2728 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2729 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2730 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2731 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2732 df_urec_mark_reg_use_for_earlyclobber,
2733 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2734 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2735 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2736 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2737 df_chain_create_bb_process_use, df_chain_create_bb,
2738 df_chain_finalize, df_chain_free, df_chains_dump,
2739 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2740 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2741 df_reg_lifetime): New functions.
2742 * df.c: Deleted file.
2743 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2744 consistent with new df api.
2745 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2746 rest_of_handle_sms): Ditto.
2747 * web.c (unionfind_union, union_defs, entry_register, web_main):
2749 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2750 invariant_expr_equal_p, find_defs, check_dependencies,
2751 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2752 free_inv_motion_data, move_loop_invariants): Ditto.
2753 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2754 Update dependencies.
2755 (odf.c): Added defective entry that was deleted later in day.
2756 * sched-deps.c (sched_analyze_1): Ditto.
2758 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2760 * tree-ssa-operands.c (get_expr_operands): Record addressable
2761 variables directly. Do not call add_stmt_operands for CONST_DECLs
2763 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2764 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2766 2006-01-11 Ben Elliston <bje@au.ibm.com>
2768 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2769 function returns true in the positive case.
2771 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2774 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2775 for SI, DI, SF and DF modes. Add alternatives to copy between
2776 general and floating point registers to the 32-bit patterns.
2777 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2778 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2779 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2780 generating 64-bit code.
2781 * config/pa/pa.c (output_move_double): Handle copies between general
2782 and floating registers.
2784 2006-01-10 Stuart Hastings <stuart@apple.com>
2786 * config/i386/i386.md (set_got): Update.
2787 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2788 (builtin_setjmp_receiver): Mach-O support.
2789 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2790 (GOT_SYMBOL_NAME): Define.
2791 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2792 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2793 * config/i386/i386.c (override_options): Revise for Darwin.
2794 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2795 support. (darwin_x86_file_end): New. (output_set_got): Add label
2796 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2797 * config/i386/i386-protos.h (output_set_got): Likewise.
2798 * config/darwin.c (machopic_legitimize_pic_address): Update
2801 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2803 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2804 when MODE isn't BLKmode.
2806 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2808 PR rtl-optimization/25367
2809 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2811 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2814 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2815 for a negative bound.
2817 2006-01-10 Richard Guenther <rguenther@suse.de>
2819 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2820 Never override with anything constraint.
2822 2006-01-10 Jan Beulich <jbeulich@novell.com>
2824 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2825 256 bits when optimize_size.
2827 2006-01-10 Jan Beulich <jbeulich@novell.com>
2829 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2831 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2832 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2835 2006-01-10 Ben Elliston <bje@au.ibm.com>
2837 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2839 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2840 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2841 (USE_FP_FOR_ARG): Reject decimal float modes.
2842 (function_arg_advance): Likewise.
2843 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2844 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2845 point types in AltiVec vectors.
2846 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2847 (rs6000_libcall_value): Likewise.
2849 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2851 * config/xtensa/ieee754-df.S: New file.
2852 * config/xtensa/ieee754-sf.S: New file.
2853 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2854 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2855 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2857 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2859 * config/sh/predicates.md (binary_float_operator,
2860 binary_logical_operator, commutative_float_operator,
2861 equality_comparison_operator, greater_comparison_operator,
2862 less_comparison_operator, logical_operator,
2863 noncommutative_float_operator, shift_operator,
2864 symbol_ref_operand, unary_float_operator): Remove redundant
2867 2006-01-09 Jeff Law <law@redhat.com>
2869 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2870 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2871 now unused arguments. Callers updated.
2872 (eliminate_redundant_computations): Remove now unused arguments,
2874 (local_fold): Remove, no longer used.
2875 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2877 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2878 (simplify_cond): New function.
2879 (forward_propagate_into_cond): Call simplify_cond.
2881 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2883 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2884 (*vec_extractv2di_1_sse): New.
2886 2006-01-09 Ben Elliston <bje@au.ibm.com>
2888 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2890 2006-01-08 Richard Guenther <rguenther@suse.de>
2892 * tree-ssa-structalias.c (get_constraint_for): Remove
2894 (get_constraint_for_component_ref): Likewise.
2895 (do_deref): Likewise.
2896 (get_constraint_for): Likewise.
2897 (do_structure_copy): Likewise.
2898 (handle_ptr_arith): Likewise.
2899 (find_func_aliases): Likewise. Remove unused need_anyoffset
2902 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2903 Kaz Kojima <kkojima@gcc.gnu.org>
2905 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2906 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2907 (EXTRA_CONSTRAINT_C16): Remove.
2908 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2909 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2910 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2911 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2912 constants of SHmedia. Handle nested constant expressions of
2914 (andcosts): Fix the costs for SHmedia constants.
2915 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2916 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2917 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2918 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2919 (movv4hi_i, movv2si_i): Likewise.
2920 (movsi_const): Adjust the second operand of ior so to match with
2922 (movdi_const, movdi_const_32bit): Likewise.
2923 (movdi_const_16bit+1): Don't sign-extend LOW.
2924 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2926 (*double_shori): Fix the split condition. Use GEN_INT instead
2927 of get_int_mode calls. Mask lower 16-bit of the argument of
2929 (sym2GOTPLT): Remove.
2930 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2932 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2933 instead of EXTRA_CONSTRAINT_C16.
2935 2006-01-07 Ian Lance Taylor <ian@airs.com>
2936 David Edelsohn <edelsohn@gnu.org>
2938 PR rtl-optimization/25662
2939 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2940 for constant operands instead of simplify_gen_binary.
2941 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2942 after trying simplify_binary_operation
2944 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2946 * tree.c (iterative_hash_expr): Hash decls based on UID.
2948 2006-01-06 Eric Christopher <echristo@apple.com>
2950 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2951 (TARGET_UNWIND_EMIT): Fix spelling.
2952 * target.h (gcc_target): Add except_table_label.
2953 * except.c (output_function_exception_table): Use.
2954 * varasm.c (default_emit_except_table_label): New.
2955 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2957 (asm_out): Add here.
2958 * output.h (default_emit_except_table_label): Prototype.
2959 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2960 * config/darwin.c (darwin_emit_except_table_label): Define.
2961 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2963 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2965 PR tree-optimization/18527
2966 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2967 number_of_iterations_special, number_of_iterations_exit):
2968 Move base and step of an iv to a single structure. Add
2969 no_overflow flag, and use it in # of iterations analysis.
2970 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2971 folded_casts argument.
2972 (simple_iv): Pass base and step in a structure. Set no_overflow
2974 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2975 Evaluate expensiveness of computing # of iterations instead of
2976 the final expression.
2977 * tree-scalar-evolution.h (affine_iv): New structure.
2978 (simple_iv): Declaration changed.
2979 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2980 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2981 find_givs_in_stmt): Changed due to simple_iv change.
2983 2006-01-06 Jeff Law <law@redhat.com>
2986 * tree-cfg.c (bsi_replace): Rename final argument from
2987 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2988 change (stmt -> orig_stmt).
2989 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2990 (bsi_remove): Add new argument. Remove EH information
2992 (verify_eh_throw_table_statements): New function.
2993 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2995 * tree-optimize.c (execute_free_cfg_annotations): Verify
2996 the EH throw statement table after removing annotations.
2997 * except.h (verify_eh_throw_table_statements): Prototype.
2998 * tree-flow.h (bsi_remove): Update prototype.
2999 * tree-vrp.c (remove_range_assertions): Add new argument to
3001 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3002 * tree-complex.c (expand_complex_div_wide): Likewise.
3003 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3004 * tree-tailcall.c (eliminate_tailcall): Likewise.
3005 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3006 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3007 * tree-nrv.c (tree_nrv): Likewise.
3008 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3009 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3010 (combine_blocks): Likewise.
3011 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3012 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3013 (cleanup_control_flow): Likewise.
3014 (remove_forwarder_block): Likewise.
3015 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3016 * tree-sra.c (sra_replace): Likewise.
3017 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3018 (forward_propagate_single_use_vars): Likewise.
3019 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3020 * tree-inline.c (expand_call_inline): Likewise.
3021 * tree-vect-transform.c (vect_transform_loop): Likewise.
3022 * tree-outof-ssa.c (rewrite_trees): Likewise.
3023 * tree-cfg.c (make_goto_expr_edges): Likewise.
3024 (cleanup_dead_labels): Likewise.
3025 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3026 (bsi_move_before, bsi_move_after): Likewise.
3027 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3028 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3030 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3033 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3035 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3036 on non gimple variables. Also add checks at the top for decls and
3038 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3040 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3041 and IMAGPART_EXPR for creating MUST_DEFs.
3042 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3043 and NAME_MEMORY_TAG separately from the DECLs.
3045 2006-01-06 Richard Guenther <rguenther@suse.de>
3047 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3048 annotation, if necessary.
3049 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3050 redundant calls to update_stmt.
3051 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3054 2006-01-05 Richard Henderson <rth@redhat.com>
3056 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3058 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3060 * c-typeck.c: Update copyright date.
3062 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3064 * c-typeck.c (build_c_cast): Always warn when casting
3065 from a pointer to an integer of different size, even if
3066 the node was constant.
3068 2006-01-05 Richard Guenther <rguenther@suse.de>
3070 PR tree-optimization/22555
3071 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3072 if one structure field is an array.
3073 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3074 operands even if we found a subvar, but ignore VOPs in this
3076 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3078 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3080 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3083 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3085 2006-01-05 Richard Guenther <rguenther@suse.de>
3086 Diego Novillo <dnovillo@redhat.com>
3088 * tree-pass.h (TODO_remove_unused_locals): Define.
3089 * gimple-low.c (expand_var_p, remove_useless_vars,
3090 pass_remove_useless_vars): Remove. Update all users.
3091 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3092 (remove_unused_locals): New function.
3093 * tree-flow.h (remove_unused_locals): Declare.
3094 * passes.c (execute_todo): Call remove_unused_locals if
3095 TODO_remove_unused_locals is set.
3096 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3097 * tree-ssa-dce.c (pass_dce): Likewise.
3098 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3100 2006-01-05 Richard Guenther <rguenther@suse.de>
3102 * tree-flow.h (struct fieldoff): Decompose field to
3103 type, size and decl.
3104 * tree-ssa-alias.c (create_sft): Take type as parameter.
3105 (create_overlap_variables_for): Store type, size and decl
3106 in the fieldoff structure.
3107 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3109 (push_fields_onto_fieldstack): Likewise.
3110 (create_variable_info_for): Likewise. Use offset for the
3111 SFT name if the decl is not available.
3113 2006-01-04 Paul Brook <paul@codesourcery.com>
3115 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3117 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3119 * lambda-code.c (can_put_in_inner_loop): Relax
3121 (can_put_after_inner_loop): New function.
3122 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3123 (perfect_nestify): Change to make copies and modify uses.
3125 2006-01-04 Richard Henderson <rth@redhat.com>
3127 Merge from gomp branch:
3128 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3129 via integer constant.
3130 (pragma_lex): Remove.
3131 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3132 rather than parsing it.
3133 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3134 handle_pragma_extern_prefix): Add %< %> quotes.
3135 (registered_pragmas): New.
3136 (c_register_pragma_1): New.
3137 (c_register_pragma): Use it.
3138 (c_register_pragma_with_expansion): Likewise.
3139 (c_invoke_pragma_handler): New.
3140 (init_pragma): Use cpp_register_deferred_pragma directly for
3142 * c-pragma.h (enum pragma_kind): New.
3143 (pragma_handler): New.
3144 (c_invoke_pragma_handler): Declare.
3145 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3147 * c-common.h (c_common_pch_pragma): Update decl.
3148 * Makefile.in (c-parser.o): Update dependencies.
3149 (GTFILES): Add c-pragma.h.
3150 * c-parser.c (struct c_token): Add pragma_kind.
3151 (struct c_parser): Add in_pragma.
3152 (c_lex_one_token): Always initialize keyword and pragma_kind.
3153 Extract data for CPP_PRAGMA.
3154 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3155 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3156 Don't allow CPP_PRAGMA_EOL if in_pragma.
3157 (c_parser_consume_pragma): New.
3158 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3159 (c_parser_skip_to_end_of_parameter): Likewise.
3160 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3161 (c_parser_skip_to_pragma_eol): New.
3162 (c_parser_external_declaration): Handle CPP_PRAGMA.
3163 (c_parser_compound_statement_nostart): Likewise.
3164 (c_parser_statement_after_labels): Likewise.
3165 (c_parser_pragma): New.
3166 (pragma_lex): Likewise.
3167 (c_parser_pragma_pch_preprocess): New.
3168 (c_parser_new): Merge into ...
3169 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3171 2006-01-04 Jeff Law <law@redhat.com>
3174 * tree-cfg.c (bsi_replace): Remove the original statement
3175 from the EH throw statement table.
3177 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3179 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3180 make the prototype extern "C" and add throw ().
3183 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3184 and pos non-negative and pos + len <= 32.
3185 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3186 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3187 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3190 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3191 as well as sizes not multiple of component size.
3194 * function.c (instantiate_expr): New function.
3195 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3196 walk its DECL_VALUE_EXPR with instantiate_expr.
3198 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3199 DW_OP_deref{,_size} if address isn't going to be added.
3201 2006-01-04 Ben Elliston <bje@au.ibm.com>
3203 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3204 * config/fp-bit.c: Likewise.
3206 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3208 * dominance.c: Add comment about why we use DFS numbering
3211 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3212 Richard Henderson <rth@redhat.com>
3214 Merge from gomp-branch:
3215 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3216 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3218 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3220 PR rtl-optimization/25578
3221 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3222 pass a parameter to simplify_shift_const if changing ASHIFTRT
3225 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3227 * builtins.c (get_builtin_sync_mem): New function.
3228 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3229 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3230 Call get_builtin_sync_mem to generate mem rtx.
3232 2006-01-03 Richard Guenther <rguenther@suse.de>
3235 * stmt.c (add_case_node): Make sure to clear overflow flags
3238 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3240 Merge from gomp-branch.
3241 * config/sparc/sync.md: New file.
3242 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3243 UNSPECV_LDSTUB): New constants.
3244 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3245 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3246 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3249 2006-01-03 Roger Sayle <roger@eyesopen.com>
3251 * combine.c (reg_subword_p): New predicate to test whether the
3252 destination of a set refers to a subword/piece of a register.
3253 (try_combine): Generalize the code to merge the setting of a
3254 pseudo to a constant followed by a set of a subword of that
3255 register to a constant.
3257 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3259 * basic-block.h (control_flow_graph): Change the type of
3260 x_label_to_block_map to VEC(basic_block,gc) *.
3261 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3262 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3264 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3265 VEC(basic_block,heap) *.
3266 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3267 ssa_prop_fini): Adjust the uses of cfg_blocks.
3269 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3271 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3273 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3274 hashing trees instead of a pointer hash.
3275 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3276 compare for MEM_EXPR.
3278 PR rtl-optimization/25130
3279 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3280 when comparing MEMs for GCSE
3282 2006-01-03 Ben Elliston <bje@au.ibm.com>
3284 * targhooks.h (default_decimal_float_supported_p): Declare.
3285 * targhooks.c (default_decimal_float_supported_p): Define.
3286 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3287 `default_decimal_float_supported_p'.
3288 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3290 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3292 * combine.c (apply_distributive_law <SUBREG>): Check
3293 TRULY_NOOP_TRUNCATION.
3295 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3297 * dwarf2out.c (have_switched_text_section): Delete.
3298 (have_multiple_function_sections): New.
3299 (have_location_lists): Make 'bool'.
3300 (add_AT_loc_list): Use 'true' not '1'.
3301 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3302 (output_loc_list): Use have_multiple_function_sections.
3303 (output_ranges): Likewise.
3304 (dwarf2out_begin_function): Set have_multiple_function_sections if
3306 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3307 Check function_section rather than DECL_SECTION_NAME.
3308 (dwarf2out_finish): Use have_multiple_function_sections.
3309 Don't clear have_location_lists.
3311 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3312 Jan Hubicka <jh@suse.cz>
3314 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3315 case of conditional jump jumping to the next instruction.
3316 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3317 cases of conditional jump jumping to the next instruction.
3319 2006-01-02 Jan Hubicka <jh@suse.cz>
3321 * i386.c (*_cost): Add COSTS_N_INSNS.
3322 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3324 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3327 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3329 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3331 * config/arm/arm.c (all_fpus): Fix comment typo.
3332 * config/darwin.c: Likewise.
3333 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3334 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3335 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3337 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3339 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3340 (rs6000_split_compare_and_swapqhi): New.
3341 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3342 (sync_compare_and_swapqhi_internal): New.
3343 * config/rs6000/rs6000-protos.h: Declare.
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