1 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
3 * df-core.c (df_set_blocks): Deleted all variable.
5 2006-01-28 Ian Lance Taylor <ian@airs.com>
7 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8 cgraph_output_pending_asms.
10 2006-01-28 Zack Weinberg <zackw@panix.com>
12 * c.opt: Add -W(no-)overlength-strings.
13 * doc/invoke.texi: Document it.
14 * c-opts.c (c_common_handle_option): -pedantic implies
15 -Woverlength-strings, if not explicitly disabled already.
16 (c_common_post_options): -Woverlength-strings defaults to off, and
17 is always off for C++.
18 * c-common.c (fix_string_type): Issue warning about strings longer
19 than is portable only if warn_overlength_strings. Rearrange code
21 * configure.in: Check for -Wno-overlength-strings as well before
22 enabling -pedantic in stage 1.
23 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
24 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
26 * genconditions.c (write_header, write_one_condition)
27 (write_conditions, write_writer): Consolidate very long strings
28 that were broken up to fit in C89 portable limit. Don't use
29 printf when fputs will do.
31 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
33 * combine.c (simplify_comparison <AND>): Check
34 TRULY_NOOP_TRUNCATION before start using a subreg.
36 * config/mips/mips.md (*branch_zero<mode>,
37 *branch_zero<mode>_inverted, *branch_equality<mode>,
38 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
39 Remove mode check from comparisons.
41 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
43 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
45 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
47 * expmed.c (const_mult_add_overflow_p): Remove.
48 * expr.h: Remove the prototype for const_mult_add_overflow_p.
50 * recog.c (validate_replace_rtx_subexp): Remove.
51 * recog.h: Remove the prototype for
52 validate_replace_rtx_subexp.
54 * integrate.h: Remove the prototype for
55 copy_decl_for_inlining.
56 * rtl.h: Remove the prototype for mark_constant_function.
57 * tree-vectorizer.h: Remove the prototype for
58 vect_strip_conversion.
60 * modulo-sched.c (create_partial_schedule,
61 free_partial_schedule, reset_partial_schedule): Make them
64 * hooks.c (hook_bool_rtx_int_false): Remove.
65 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
67 2006-01-28 David Edelsohn <edelsohn@gnu.org>
69 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
70 and -mlong-double-128 are incompatible.
71 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
72 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
73 (TARGET_LIBGCC2_CFLAGS): Define.
74 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
75 (TARGET_LIBGCC2_CFLAGS): Same.
76 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
78 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
81 * c-typeck.c (build_binary_op): Perform implicit casts of
82 operands before shortening them.
84 * cfgloopmanip.c (split_loop_bb): Remove.
85 * cfgloop.h: Remove the prototype for split_loop_bb.
87 * cfgloop.c (flow_loop_outside_edge_p): Remove.
88 * cfgloop.h: Remove the prototype for
89 flow_loop_outside_edge_p.
91 * emit-rtl.c (init_virtual_regs): Make it static.
92 * function.h: Remove the prototype for init_virtual_regs.
94 * recog.c (peephole2_optimize): Make it static.
95 * recog.h: Remove the prototype for peephole2_optimize.
97 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
99 * df-scan.c (df_record_entry_block_defs): Check if
100 INCOMING_RETURN_ADDR_RTX is defined.
102 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
103 Kenneth Zadeck <zadeck@naturalbridge.com>
105 PR rtl-optimization/24762
106 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
107 * targhooks.c (hook_void_bitmap): New hook prototype.
108 * targhoohs.h (hook_void_bitmap): Ditto.
109 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
110 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
111 * target.h (live_on_entry): New function pointer.
112 * df-scan.c (df_all_hard_regs): Removed.
113 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
114 (df_scan_free_internal): Added df->entry_block_defs.
115 (df_scan_alloc): Ditto.
116 (df_scan_dump): Ditto.
117 (df_uses_record): Plumbed flag field properly thru calls.
118 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
119 This part fixes PR24762.
120 (df_bb_refs_record): Added code to make the frame and arg
121 pointers live in EH blocks.
122 (df_refs_record): Added call to df_record_entry_block_defs.
123 (df_record_entry_block_defs): New function.
124 * df-core.c: Added comments to describe new artifical defs.
125 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
126 (entry_block_defs): New field in struct df.
127 (df_all_hard_regs): Deleted.
128 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
129 * df-problems.c (df_ru_bb_local_compute_process_def):
130 Added code to handle artifical defs in the entry to a function.
131 (df_ru_bb_local_compute): Ditto.
132 (df_rd_bb_local_compute_process_def): Ditto.
133 (df_rd_bb_local_compute): Ditto.
134 (df_lr_bb_local_compute): Ditto.
135 (df_ur_bb_local_compute): Ditto.
136 (df_urec_bb_local_compute): Ditto.
137 (df_chain_create_bb): Ditto.
138 (df_ur_local_finalize): Removed entry.
139 (df_urec_init): Ditto.
140 (df_urec_local_finalize): Ditto.
141 (df_ri_bb_compute): Added detection of last use of pseudos.
142 * Makefile.in (df-scan.o): Updated dependencies.
143 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
144 * config/mips/mips.c (mips_set_live_on_entry): Added.
145 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
147 * dce.c (marked_insn_p): Added code to handle artifical defs.
149 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
151 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
153 (_mm_cvtsi128_si64): Likewise.
154 (_mm_cvtsd_si64): Likewise.
155 (_mm_cvttsd_si64): Likewise.
156 (_mm_cvtsi64_sd): Likewise.
157 (_mm_cvtsi64_si128): Likewise.
158 * config/i386/mmintrin.h (_m_from_int64): Likewise.
159 (_mm_cvtsi64_m64): Likewise.
160 (_m_to_int64): Likewise.
161 (_mm_cvtm64_si64): Likewise.
162 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
163 (_mm_cvttss_si64): Likewise.
164 (_mm_cvtsi64_ss): Likewise.
165 (_mm_cvtss_f32): Likewise.
167 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
169 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
170 for pragma redefine_extname.
172 2006-01-27 Jakub Jelinek <jakub@redhat.com>
175 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
176 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
177 -mno-minimal-toc to previous content.
178 (bispecs): Remove goal.
179 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
180 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
181 compatibility aliases on powerpc-*-*gnu*.
182 * config/rs6000/libgcc-ppc-glibc.ver: New file.
183 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
184 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
185 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
186 (ldblspecs): New goal.
187 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
188 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
190 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
191 L_sf_to_tf or L_df_to_tf is defined.
193 2006-01-27 David Edelsohn <edelsohn@gnu.org>
194 Alan Modra <amodra@bigpond.net.au>
197 * config/rs6000/linux.h (POWERPC_LINUX): Define.
198 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
199 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
200 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
201 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
202 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
203 (rs6000_override_options): Initialize rs6000_ieeequad.
204 Initialize TFmode format to ibm_extended_format if not
206 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
208 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
209 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
210 (function_arg_advance): IBM long double passed in two FPRs, not
212 (function_arg): IBM long double passed in FPRs.
213 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
214 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
215 Only multireg GPR aligned.
216 (rs6000_init_libfuncs): Enable IBM long double functions if not
218 (rs6000_generate_compare): Use IBM long double compare if not
220 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
221 (TARGET_IEEEQUAD): Define.
222 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
224 * config/rs6000/rs6000.md: Enable TFmode patterns if
226 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
227 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
228 and -mlong-double-128 are incompatible.
229 * doc/invoke.texi (-mabi): Collect options together. Add
230 ibmlongdouble and ieeelongdouble.
232 2006-01-27 Richard Sandiford <richard@codesourcery.com>
234 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
236 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
237 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
238 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
239 * rtl.h (rtunion_def): Remove rt_ptr.
241 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
242 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
243 * config/i386/winnt.c (i386_pe_mark_dllexport)
244 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
246 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
248 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
250 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
254 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
255 pthread_key_delete. From John David Anglin. gthrw-ify
256 pthread_getunique_np only if it it's not a macro. Delete
258 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
259 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
260 __gthread_objc_condition_signal, __gthread_key_delete): Add
261 "__attribute__ ((__unused__))" to unused arguments.
262 (__gthread_recursive_mutex_init_function): Add missing return.
263 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
264 gthr-posix95.h: Use macro-based approach for name redirection
265 on targets missing weakref.
267 2006-01-26 Zack Weinberg <zackw@panix.com>
269 * genconditions.c (write_header): In generated code, #ifdef out
270 all includes and fake declarations, except includes of bconfig.h
271 and system.h, unless GCC_VERSION >= 3001. Do not include
272 gensupport.h in any case.
273 (write_conditions): Generate a definition of struct c_test. Add
274 a comment to the generated #endif.
275 (write_one_condition): Escape backslashes in string too.
276 (write_writer): Generated code must escape backslashes and quote
277 marks (but not newlines) in the strings it writes.
278 * Makefile.in (build/gencondmd.o): Update dependencies.
280 2006-01-26 Steve Ellcey <sje@cup.hp.com>
283 * Makefile.in (insn-automata.o): Add header file dependencies.
284 * genautomata.c: Add includes.
286 2006-01-26 Steve Ellcey <sje@cup.hp.com>
289 * Makefile.in (insn-automata.o): Add -Wno-error flag.
291 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
293 * configure.ac: Expect target tools paths to be passed from the toplevel
294 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
296 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
298 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
301 * c.opt (Wpointer-sign): Init to -1.
302 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
303 OPT_pedantic, to 0 otherwise.
304 * doc/invoke.texi: Update.
306 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
308 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
309 constants provided by 80387 instructions in the destination mode.
311 2006-01-26 Richard Guenther <rguenther@suse.de>
312 Andrew Pinski <pinskia@physics.uc.edu>
315 partial PR tree-opt/17064
316 * tree-ssa-structalias.c (intra_create_variable_infos):
317 Create heap variables for incoming parameters if
318 flag_argument_noalias > 1.
319 (find_what_p_points_to): Look through default defs of
322 2006-01-26 Jeff Law <law@redhat.com>
325 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
326 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
327 within the VR_RANGE, use the VR_RANGE as the result, not the
329 (adjust_range_with_scev): Reject ranges from SCEV which are out
330 of bounds for the type.
332 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
334 * tree-ssa-alias.c (maybe_create_global_var): Change
335 subvar walking to an assertion that we don't have subvar'd variables.
337 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
340 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
341 Use a new variable, inner. PARM_DECLs are always non-weak.
343 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
345 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
348 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
350 * config/mips/mips.md (*clear_upper32): New combiner pattern.
352 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
354 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
355 (smax_insn, smin_insn, smax_0, smin_0): New.
357 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
360 * config/cris/cris.c (cris_order_for_addsi3): New function.
361 * config/cris/cris-protos.h: Prototype it.
362 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
363 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
364 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
365 (split for "op.S1 [rx=rx+i],ry (swapped)")
366 (split for "op(s|u).S1 [rx=rx+i],ry")
367 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
368 Apply cris_order_for_addsi3 when generating addsi3 insns.
370 2006-01-25 Diego Novillo <dnovillo@redhat.com>
372 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
373 (TREE_BLOCK): Add call to EXPR_CHECK.
375 2006-01-25 Diego Novillo <dnovillo@redhat.com>
378 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
379 * tree-pretty-print.c (dump_omp_clause): Extract from ...
380 (dump_omp_clauses): ... here.
381 (dump_generic_node): Handle OMP_CLAUSE.
382 * tree.c (omp_clause_num_ops): New.
383 (omp_clause_code_name): New.
384 (tree_code_size): Handle OMP_CLAUSE.
385 (tree_size): Likewise.
386 (make_node): Document handling of OMP_CLAUSE.
387 (tree_node_structure): Handle OMP_CLAUSE.
388 (omp_clause_check_failed): New.
389 (omp_clause_range_check_failed): New.
390 (omp_clause_operand_check_failed): New.
391 (build_omp_clause): New.
392 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
393 * tree.h (enum omp_clause_code): Declare.
394 (OMP_CLAUSE_SUBCODE_CHECK): Define.
395 (OMP_CLAUSE_RANGE_CHECK): Define.
396 (OMP_CLAUSE_ELT_CHECK): Define.
397 (omp_clause_check_failed): Declare.
398 (omp_clause_operand_check_failed): Declare.
399 (omp_clause_range_check_failed): Declare.
400 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
401 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
402 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
403 (OMP_CLAUSE_LASTPRIVATE): Likewise.
404 (OMP_CLAUSE_IF_EXPR): Likewise.
405 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
406 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
407 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
408 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
409 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
410 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
411 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
412 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
413 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
414 (OMP_CLAUSE_CODE): Define.
415 (OMP_CLAUSE_SET_CODE): Define.
416 (OMP_CLAUSE_CODE): Define.
417 (OMP_CLAUSE_OPERAND): Define.
418 (struct tree_omp_clause): Declare.
419 (union tree_node): Add field 'omp_clause'.
420 * treestruct.def (TS_OMP_CLAUSE): Define.
421 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
422 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
423 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
424 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
425 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
426 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
427 (OMP_CLAUSE): Define.
428 * print-tree.c (print_node): Handle OMP_CLAUSE.
429 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
430 * c-typeck.c: Likewise.
431 * gimplify.c: Likewise.
433 * tree-nested.c: Likewise.
434 * tree-inline.c: Likewise.
435 * c-parser.c: Likewise.
436 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
439 2006-01-25 Roger Sayle <roger@eyesopen.com>
441 PR rtl-optimization/25703
442 * combine.c (try_combine): Handle zero_extract and strict_low_part
443 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
445 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
447 * global.c: Fix comment typos.
449 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
452 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
453 Use output_addr_const instead of assemble_name.
455 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
457 * Makefile.in (sched-vis.o): Update dependencies.
458 * haifa-sched.c (sched_finish): Clear current_sched_info.
459 * cfg.c (dump_bb_info): New, split from dump_flow_info.
460 (dump_flow_info): Call it.
461 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
463 * basic-block.h (dump_bb_info): Declare.
464 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
465 option, and apply options only for dump files whose TDF_RTL,
466 TDF_TREE, or TDF_IPA bits match.
467 * rtl.h: Declare new functions exported from sched-vis.c.
468 * sched-vis.c: Enable also if scheduling is not used.
469 (print_value): Print the mode of registers if not inside scheduling.
470 (print_insn): Make it work outside the scheduler. Beautify the output
472 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
474 2006-01-25 Richard Sandiford <richard@codesourcery.com>
476 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
477 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
478 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
479 depending on the value of CONSTANT_POOL_ADDRESS_P.
480 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
482 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
483 rather than SYMBOL_REF_DECL.
484 (rtx_constant_pool): Remove const_rtx_sym_htab.
485 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
486 (init_varasm_status): Don't initialize const_rtx_sym_htab.
487 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
488 Remove handling of const_rtx_sym_htab.
489 (find_pool_constant): Delete.
490 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
491 rather than find_pool_constant.
492 (get_pool_constant_for_function): Delete.
493 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
495 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
496 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
497 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
498 (SYMBOL_REF_CONSTANT): New macro.
499 (get_pool_constant_for_function): Delete.
500 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
501 rather than SYMBOL_REF_DECL.
502 (i386_pe_mark_dllimport): Likewise.
503 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
504 rather than SYMBOL_REF_DECL.
505 * config/darwin.c (machopic_indirect_data_reference): Likewise.
506 (machopic_indirect_call_target): Likewise.
508 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
510 * flow.c (delete_noop_moves): Add missing EOL to dump message.
512 2006-01-25 Richard Sandiford <richard@codesourcery.com>
514 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
516 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
518 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
520 2006-01-24 David Daney <ddaney@avtrex.com>
523 * configure.ac (enable_tls): New enable option.
524 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
525 * configure: Regenerate.
526 * doc/install.texi (--enable-tls): Document new option.
527 (--disable-tls): Ditto.
529 2006-01-24 Richard Henderson <rth@redehat.com>
531 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
532 * alias.c (true_dependence): Respect it.
533 (canon_true_dependence, write_dependence_p): Likewise.
534 * builtins.c (get_builtin_sync_mem): Set it.
536 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
538 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
541 2006-01-24 DJ Delorie <dj@redhat.com>
543 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
544 for storing constants in single-bit bitfields.
546 2006-01-25 Ben Elliston <bje@au.ibm.com>
548 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
550 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
553 * tree-ssa-pre.c (phi_translate): Return NULL
554 for AGGREGATE_TYPE's.
556 2006-01-24 Zack Weinberg <zackw@panix.com>
558 * genautomata.c (process_state_for_insn_equiv_partition):
559 Use xcalloc for insn_arcs_array.
560 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
561 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
563 2006-01-24 Richard Henderson <rth@redhat.com>
565 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
568 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
570 PR rtl-optimization/25890
571 PR rtl-optimization/25905
572 * combine.c (expand_compound_operation, expand_field_assignment):
573 Fail if the bitfield's final position is out of bounds.
575 2006-01-24 Ian Lance Taylor <ian@airs.com>
578 * cgraphunit.c (cgraph_output_in_order): Don't clear
579 cgraph_asm_nodes until after asm strings have been output.
581 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
583 * fix-header.c (read_scan_file): Add new parameter imultilib when
584 calling register_include_chains.
586 2006-01-23 Diego Novillo <dnovillo@redhat.com>
588 * omp-low.c: Update documentation.
590 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
591 Daniel Berlin <dberlin@dberlin.org>
595 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
596 return from the function.
598 2006-01-22 Zack Weinberg <zackw@panix.com>
600 * rtl.def (match_code): Add second argument.
601 * genpreds.c (write_extract_subexp): New function.
602 (write_match_code): Add path argument. Use write_extract_subexp.
603 (write_predicate_expr): Pass path to write_match_code.
604 (mark_mode_tests): MATCH_CODE applied to a subexpression does
605 not perform a mode test.
606 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
607 a subexpression does not constrain the top-level code set.
608 * read-rtl.c (read_rtx_variadic): New function.
609 (read_rtx_1): Use it; allow AND and IOR to be variadic.
610 * doc/md.texi: Document new notation.
611 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
612 (cmpsi_operand): ... here, using new notation.
614 2006-01-22 Zack Weinberg <zackw@panix.com>
616 * varray.c: Remove GENERATOR_FILE #ifdefs.
618 2006-01-22 Zack Weinberg <zackw@panix.com>
620 * genautomata.c (output_reserved_units_table): Emit nothing if
621 description->query_units_num is zero. Remove extra blank line.
622 (output_cpu_unit_reservation_p): Short circuit
623 if description->query_units_num is zero.
625 2006-01-22 Zack Weinberg <zackw@panix.com>
627 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
628 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
629 nor any of the random handful of variables that used to be necessary
630 when this program was linked with rtlanal.o. Prune set of forward
631 function declarations.
632 (struct attr_desc): Remove static_p field.
633 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
634 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
635 (attr_string): Do not read the character one past the length of
637 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
638 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
639 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
640 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
641 (make_automaton_attrs): New.
642 (main): Do not call into genautomata. Call local gen_bypass
643 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
644 Remove special case for insn_alts.
645 * genautomata.c: Include gensupport.h; not genattrtab.h nor
646 varray.h (leftover from previous change). Prune set of forward
647 function declarations. Remove state_alts fields from all
648 structures. Remove state_alts_table from struct automaton.
649 Make everything except main static. Do not maintain num_dfa_decls.
650 Do not maintain state_alts fields of various structures.
651 (process_decls): Don't validate condexp for dm_insn_reserv decls.
652 (add_arc): Remove state_alts argument. All callers updated.
653 (output_reserved_units_table): Emit #ifdef here...
654 (output_tables): ...not here. Don't generate state_alts tables.
655 (expand_automata): Don't generate attributes.
656 (write_automata): Don't generate state_alts functions.
657 (main): New function.
658 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
659 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
660 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
661 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
662 (BYPASS_P_FUNC_NAME, output_state_alts_table)
663 (output_automata_list_state_alts_code, output_internal_state_alts_func)
664 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
665 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
667 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
668 * genattrtab.h: Delete file.
669 * Makefile.in (OBJS-common): Add insn-automata.o.
670 (insn-automata.o): New rule.
671 (simple_generated_c): Add insn-automata.c.
672 (build/genattrtab.o, build/genautomata.o): Update dependencies.
673 (genprogmd): Add automata.
674 (build/genattrtab): Needs no extra objects nor libraries.
675 (build/genautomata): Needs build/vec.o and -lm.
677 2006-01-22 Zack Weinberg <zackw@panix.com>
679 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
680 (output_dfa_max_issue_rate, locked_states_num): Delete.
681 (struct automaton): Add locked_states field.
682 (output_dead_lock_vect): Save number of locked states in
683 automaton->locked_states. If it is zero, don't print anything.
684 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
685 (output_internal_dead_lock_func): Only test the dead_lock_vect
686 for automata that have locked states.
687 (output_statistics): Always print the number of locked states for
688 each automaton. Calculate total number of locked states here.
689 (write_automata): Don't call output_dfa_max_issue_rate.
690 * genattrtab.c: Define length_unit_log as a const variable.
691 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
692 max_insn_queue_index const.
693 * final.c (length_unit_log): Declare const.
694 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
696 2006-01-22 Zack Weinberg <zackw@panix.com>
698 * genautomata.c: Include vec.h, not varray.h.
699 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
700 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
701 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
702 VEC_* macros operating on appropriately typed vectors, or to
703 malloced arrays when the size is known in advance. Const-ify
704 many char* variables and function arguments. No functional changes.
705 * Makefile.in (build/varray.o): Delete rule.
706 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
707 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
709 2006-01-22 Zack Weinberg <zackw@panix.com>
711 * gensupport.c: Define get_insn_name and record_insn_name here.
712 (read_md_rtx): Call record_insn_name as appropriate.
713 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
714 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
715 * genpreds.c, genrecog.c: Don't define get_insn_name nor
717 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
718 (BUILD_VARRAY): Delete.
719 (genprognormal): Rename genprogmd. Fold in all programs from
720 genprognoprint; also attrtab.
721 (build/genattrtab): Just mention genautomata.o and varray.o.
722 Reorganize a bit, add comments to make the categories clearer.
724 2006-01-22 Zack Weinberg <zackw@panix.com>
726 * genconditions.c (condition_table, add_condition): Delete.
727 (write_conditions): Don't emit n_insn_conditions nor
728 insn_elision_unavailable. Issue the gcc version #ifdef here,
729 inside the table, with no #else clause ...
730 (write_header): ...not here.
731 (write_writer): New function.
732 (main): Don't initialize condition_table. Use add_c_test.
734 * gensupport.c (init_md_reader_args_cb): Handle multiple input
735 files on the command line.
736 (maybe_eval_c_test): Don't check insn_elision_unavailable.
737 Return -1 if there is no entry in the table, don't abort.
738 (add_c_test, traverse_c_tests): New functions.
739 * gensupport.h (insn_elision_unavailable, insn_conditions)
740 (n_insn_conditions): Delete declarations.
741 (add_c_test, traverse_c_tests): Declare.
742 * read-rtl.c: Include gensupport.h.
743 (read_conditions): New function.
744 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
745 (read_rtx_1): If we get EOF when we were looking for an initial
746 open paren, return 0. Call read_conditions when appropriate.
747 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
748 dummy-conditions.o. Eliminate references to insn-conditions.o,
749 or change them to build/gencondmd.o, as appropriate. Remove
750 insn-constants.h from $(simple_generated_h) and insn-conditions.c
751 from $(simple_generated_c). For all files remaining in those
752 two lists, add insn-conditions.md to the generator command line.
753 Give insn-constants.h/s-constants their own rules. Add rules
754 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
755 (build/read-rtl.o): Depend on gensupport.h.
756 (genprognormal): Include preds.
757 (genprogearly): Rename genprognoprint; only difference is now that
758 they don't link with $(BUILD_PRINT).
759 * dummy-conditions.c: Delete.
761 2006-01-22 Zack Weinberg <zackw@panix.com>
763 * genextract.c: Don't include insn-config.h. Do include vec.h.
764 Declare vectors of int, char, and locstr.
765 (locstr): New typedef.
766 (struct extraction): Make all array fields into bare pointers.
767 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
768 (insn_code_number): Delete.
769 (accum_extract): New struct.
770 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
771 (gen_insn): Take insn_code_number as an argument. Use an
772 accum_extract structure instead of loading data directly into
773 a struct extraction, and having to know how big it might get.
774 (walk_rtx): Operate entirely on an accum_extract structure.
775 (print_path): Avoid unnecessary use of printf.
776 (print_header): New function, split out of main. Distinguish
777 more carefully between an unrecognizable insn and an insn that
778 has the code number of a define_expand.
779 (main): Pass insn_code_number to gen_insn. Call print_header
780 only after parsing. Avoid unnecessary use of printf.
781 * Makefile.in (build/vec.o): New rule.
782 (build/genextract): Depend on build/vec.o.
783 (build/genextract.o): Don't depend on insn-config.h.
785 2006-01-22 Zack Weinberg <zackw@panix.com>
787 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
788 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
789 practical. Eliminate per-generator-program link rules.
791 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
794 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
795 with a call expr to ...
796 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
798 2006-01-23 Richard Guenther <rguenther@suse.de>
800 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
801 before make_edge with conditional EDGE_TRUE_VALUE.
803 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
804 Jan Hubicka <jh@suse.cz>
805 Richard Guenther <rguenther@suse.de>
807 PR rtl-optimization/25654
808 * cfgexpand.c (aggregate_contains_union_type): New function.
809 (add_alias_set_conflicts): Call it. Make sure to add conflicts
810 for structure variables that contain a union type.
812 2006-01-23 Richard Sandiford <richard@codesourcery.com>
814 * gengtype.c (new_structure): Return the structure.
815 (create_option): Add an extra "next" argument.
816 (create_field): New function.
817 (adjust_field_rtx_def): Use create_option and create_field.
818 Remove a now-unnecessary call to find_structure.
819 (adjust_field_tree_def): Likewise.
820 (note_yacc_type): Remove an unnecessary call to find_structure.
821 * gengtype.h (new_structure): Return the structure.
822 (create_option): Add an extra argument.
823 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
824 (option): Adjust calls to create_option.
826 2006-01-22 David Edelsohn <edelsohn@gnu.org>
828 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
830 2006-01-22 Paul Brook <paul@codesourcery.com>
831 Peter Barada <peter@the-baradas.com>
833 * config/m68k/m68k.md: Add Coldfire FPU support.
834 Define FP mode macro and associated attributes.
835 Use it for float mode patterns.
836 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
837 (LIBCALL_VALUE): Use m68k_libcall_value.
838 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
839 (m68k_function_value): Ditto.
840 (emit_move_sequence): Ditto.
841 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
842 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
843 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
844 (MULTILIB_EXCEPTIONS): Ditto.
845 * config/m68k/m68k.opt: Add mcfv4e.
846 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
847 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
848 (m68k_output_function_prologue): Save ColdFire FPU registers.
849 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
850 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
851 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
852 ColdFire FPU registers.
853 (m68k_libcall_value, m68k_function_value): New functions.
854 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
855 (LIBCALL_VALUE): Use m68k_libcall_value.
856 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
857 (MASK_COLDFIRE): Add MASK_CFV4E.
858 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
859 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
860 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
861 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
862 (GO_IF_LEGITIMATE_ADDRESS): Use it.
863 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
864 * doc/invoke.tex: Document -mcfv4e on m68k.
866 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
868 * doc/contribute.texi: Change CVS to SVN and update the corresponding
871 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
874 * c-opts.c (c_common_handle_option): Don't include
875 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
876 * doc/invoke.texi (C++ Dialect Options): Document that
877 -Wnon-virtual-dtor is no longer included in -Wall.
879 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
881 * gcov.c (print_version), gcov-dump.c (print_version),
882 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
885 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
887 * df-scan.c (problem_SCAN): Added NULL reset function.
888 (df_scan_reset_blocks): Added code to call reset block function
889 (df_bb_refs_delete) Fixed comment.
890 (df_insn_refs_delete): Made tolerant of deleting non existent info
891 for dataflow problems that need to be reset.
892 * df-core.c (df_set_blocks): Ditto.
893 * df.h (struct df_problem): Added reset_fun.
894 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
895 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
896 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
897 functions to clear out all references to def-use or use-def chains.
899 2006-01-21 Ben Elliston <bje@au.ibm.com>
901 * varasm.c (assemble_real): Initialise data array.
903 2006-01-20 Paul Brook <paul@codesourcery.com>
905 Merge from csl-arm-branch.
906 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
907 * config/arm/arm.md (movdi): Force operands[1] to a register
908 if we have a non-register source.
909 (*arm_movdi, *movdf_soft_insn): Require that one of the
910 operands be a register.
911 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
912 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
914 2006-01-20 DJ Delorie <dj@redhat.com>
916 * varasm.c (initialize_constant_valid_p): Allow pointers
917 initialized from integer constants of lesser precision.
918 (output_constant): Allow non-int-sized pointer modes to be
919 initialized from integer constants.
921 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
924 * cppdefault.h (struct default_include): Add multilib flag.
925 * cppdefault.c (cpp_include_defaults): Set it.
926 * c.opt (-imultilib): New option.
927 * c-opts.c (imultilib): New.
928 (c_common_handle_option): Handle -imultilib.
929 (c_common_post_options): Likewise.
930 * c-incpath.c (add_standard_paths, register_include_chains):
932 * c-incpath.h (register_include_chains): Add extra parameter.
933 * gcc.c (do_spec_1): Generate -imultilib option.
934 (The Specs Language): Update %I description.
935 (process_command): Update copyright notice.
936 * doc/cppopts.texi (-imultilib): Document.
937 * doc/invoke.texi (-imultilib): Include in option summary.
938 (%I): Update specs documentation.
940 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
942 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
944 2006-01-20 Richard Sandiford <richard@codesourcery.com>
946 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
949 2006-01-20 Richard Guenther <rguenther@suse.de>
950 Steven Bosscher <stevenb.gcc@gmail.com>
952 PR rtl-optimization/24626
953 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
954 EDGE_TRUE_VALUE if in RTL mode.
957 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
958 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
960 2006-01-20 Dirk Mueller <dmueller@suse.com>
963 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
964 instead of a special NOP marker.
965 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
967 * c-common.h (empty_body_warning): Add forward declaration.
968 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
969 Now uses IS_EMPTY_STMT() instead of special NOP markers.
971 2006-01-20 Paul Brook <paul@codesourcery.com>
973 * Makefile.in (lang_checks): Keep going if mkdir fails.
975 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
977 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
978 be able to clean out basic block when not necessary.
979 (df_scan_free): Fixed to properly delete information if df is
980 unused before calling df_finish.
981 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
982 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
984 (df_bb_refs_delete): New function.
985 (df_refs_delete): Moved per block code to df_bb_refs_delete.
986 * df-core.c (df_set_blocks): Added code to properly clean out
987 unused blocks if they are not part of the blocks to consider.
988 Added additional null check.
989 (df_compact_blocks): Added basic block parameter to free_bb_fun to
990 be able to clean out basic block when not necessary
991 * df.h (df_free_bb_function): Ditto.
992 (df_bb_refs_delete): New function.
993 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
994 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
995 basic block parameter to be able to clean out basic block when not
997 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
998 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
999 Fixed to properly delete information if df is unused before
1002 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1004 PR rtl-optimization/25799
1005 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1006 Corrected confluence operator to remove bits from op2 before oring
1007 with op1 rather than removing bits from op1.
1008 (df_ru_transfer_function): Corrected test on wrong bitmap which
1009 caused infinite loop. Both of these problems were introduced in
1010 the dataflow rewrite.
1012 2006-01-19 DJ Delorie <dj@redhat.com>
1014 * reload1.c (find_reload_regs): Note the details of reload
1015 failures in the dump file.
1016 (spill_failure): Likewise.
1018 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1020 * loop-iv.c: Include df.h and hashtab.h.
1021 (enum iv_grd_result): New enum.
1022 (DF_REF_IV, DF_REF_IV_SET): New macros.
1023 (struct biv_entry): New.
1024 (df, bivs): New global variables.
1025 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1026 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1028 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1029 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1030 analyzed_for_bivness_p, record_biv): New functions.
1031 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1032 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1033 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1035 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1037 (iv_number_of_iterations): Use new interface to iv analysis.
1038 * loop-unroll.c: Do not include varray.h.
1039 (analyze_iv_to_split_insn): Use new interface to iv
1041 * loop-unswitch.c (may_unswitch_on): Ditto.
1042 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1044 (df_bb_modify): Realloc tables to the new index.
1045 (df_find_use): New function.
1046 * df.h (df_find_use): Declare.
1047 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1049 * cfgloop.h (struct rtx_iv): Remove analysed field.
1050 (iv_get_reaching_def): Removed.
1051 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1052 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1053 (loop-iv.o): Add df.h and hashtab.h dependency.
1054 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1056 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1058 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1060 (__floatundisf, __floatundidf): Likewise.
1061 * libgcc2.h (IS_IBM_EXTENDED): Define.
1063 2006-01-19 DJ Delorie <dj@redhat.com>
1065 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1067 2006-01-19 Paul Brook <paul@codesourcery.com>
1069 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1070 as nothrow when unwinding tables are disabled.
1072 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1075 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1076 of bit-field" when in system header.
1078 2006-01-19 DJ Delorie <dj@redhat.com>
1080 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1081 the 16 bit shift limit of the m16c.
1083 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1086 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1087 * config/i386/i386.c (output_set_got): Output the label if we have one
1088 for the TARGET_DEEP_BRANCH_PREDICTION case.
1090 2006-01-19 Jan Hubicka <jh@suse.cz>
1091 H.J. Lu <hongjiu.lu@intel.com>
1092 Evandro Menezes <evandro.menezes@amd.com>
1094 * invoke.texi (generic): Document
1096 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1097 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1098 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1099 (x86_use_incdec, x86_pad_returns): New variables
1100 (TARGET_CPU_DEFAULT_generic): New constant
1101 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1102 (enum processor_type): Add generic32 and generic64.
1103 * i386.md (cpu attribute): Add generic32/generic64
1104 (movhi splitter): Behave sanely when both partial_reg_dependency and
1105 partial_reg_stall are set.
1106 (K8 splitters): Enable for generic as well.
1107 * predicates.md (incdec_operand): Use TARGET_INCDEC
1108 (aligned_operand): Avoid memory mismatch stalls.
1109 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1110 * ppro.md: Enable for generic32
1111 * i386.c (generic64_cost, generic32_cost): New.
1112 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1113 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1114 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1115 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1116 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1117 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1118 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1119 x86_accumulate_outgoing_args, x86_prologue_using_move,
1120 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1121 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1123 (x86_use_incdec, x86_pad_returns): New.
1124 (override_options): Add generic32 and generic64, translate "generic"
1125 to generic32/generic64 and "i686" to "generic32", refuse
1126 "generic32"/"generic64" as arch target.
1127 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1128 (ix86_reorg): Honor PAD_RETURNS.
1130 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1132 * tree-pretty-print.c (dump_generic_node): Handle
1133 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1134 * cgraph.c (cgraph_expand_queue): Rename from
1135 cgraph_analyze_queue. Update all users.
1136 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1137 cgraph_expand_queue.
1138 (cgraph_expand_all_functions): Likewise.
1139 (cgraph_finalize_pending_functions): Remove. Update callers.
1141 * tree.h (OMP_DIRECTIVE_P): Define.
1142 (OMP_PARALLEL_FN): Define.
1143 (OMP_PARALLEL_DATA_ARG): Define.
1144 (OMP_SECTIONS_SECTIONS): Define.
1145 * tree-pass.h (pass_expand_omp): Declare.
1146 * omp-low.c (struct omp_region): Declare.
1147 (struct omp_context): Remove fields 'parallel_type',
1148 'parallel_start_ix' and 'parallel_start_additional_args'.
1150 (struct omp_for_data): Rename from struct expand_omp_for_data.
1151 (omp_regions): New static variable.
1152 (root_omp_region): New static variable.
1153 (find_omp_clause): Make static.
1154 (is_in_combined_parallel_ctx): Remove.
1155 (is_combined_parallel): New.
1156 (extract_omp_for_data): Move earlier in the file.
1157 (workshare_safe_to_combine_p): New.
1158 (get_ws_args_for): New.
1159 (determine_parallel_type): Move earlier in the file.
1160 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1162 (omp_copy_decl): Likewise.
1163 (create_omp_child_function): Likewise.
1164 (lookup_omp_region): New.
1165 (dump_omp_region): New.
1166 (debug_omp_region): New.
1167 (debug_all_omp_regions): New.
1168 (new_omp_region): New.
1169 (scan_omp_parallel): If parallel_nesting_level > 1, the
1170 directive is nested within another parallel directive.
1171 Set OMP_PARALLEL_FN.
1172 (scan_omp_for): Do not try to handle combined parallel+for
1174 Remove FIXME comment.
1175 (scan_omp_nested): Remove.
1176 (scan_omp_1): Do not call scan_omp_nested when
1177 parallel_nesting_level is > 1.
1178 Do not change the DECL_CONTEXT of local variables found.
1179 (lookup_decl_in_outer_ctx): New.
1180 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1181 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1182 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1183 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1184 If CTX is nested, lookup VAR in the outer context when
1185 building copy assignment.
1186 (lower_send_clauses): Rename from expand_send_clauses.
1187 If CTX is nested, lookup VAR in the outer context when
1188 building copy assignments.
1189 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1190 If CTX is nested, lookup VAR in the outer context when
1191 building copy assignments.
1192 (expand_parallel_call): Rename from build_parallel_call.
1193 Handle combined parallel+workshare cases.
1194 Re-implement to emit code into the CFG.
1196 (expand_omp_parallel): Re-implement to emit code into the CFG.
1197 Call move_sese_region_to_fn to outline the sub-graph
1198 containing the parallel region.
1199 (expand_omp_for_1): Remove.
1200 (expand_omp_for_generic): Re-implement to emit code into the
1202 (expand_omp_for_static_nochunk): Likewise.
1203 (expand_omp_for_static_chunk): Likewise.
1204 (expand_omp_for): Likewise.
1205 (expand_omp_sections): Likewise.
1206 (remove_exit_barriers): New.
1207 (expand_omp_synch): New.
1209 (build_omp_regions_1): New.
1210 (build_omp_regions): New.
1211 (execute_expand_omp): New.
1212 (gate_expand_omp): New.
1213 (pass_expand_omp): Define.
1214 (lower_omp_sections): Rename from expand_omp_sections.
1215 Set OMP_SECTIONS_SECTIONS.
1216 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1217 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1218 (lower_omp_single): Rename from expand_omp_simple.
1219 (lower_omp_master): Rename from expand_omp_master.
1220 (lower_omp_ordered): Rename from expand_omp_ordered.
1221 (lower_omp_critical): Rename from expand_omp_critical.
1222 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1223 (lower_omp_for): Re-implement.
1224 (lower_omp_parallel): Re-implement.
1225 (lower_regimplify): Rename from expand_regimplify.
1226 (lower_omp_1): Rename from expand_omp_1.
1227 If there are syntax errors in the program, replace every
1228 OpenMP directive with NOP.
1229 Call lower_omp_* instead of expand_omp_*.
1230 (lower_omp): Rename from expand_omp.
1232 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1233 * tree-gimple.h (enum omp_parallel_type): Remove.
1234 (gimple_boolify): Declare extern.
1235 (find_omp_clause, determine_parallel_type): Remove.
1237 * gimple-low.c (lower_omp_directive): New.
1238 (lower_stmt): Call it.
1239 (record_vars_into): Move from ...
1240 (record_vars): ... here.
1241 Call record_vars_into with current_function_decl.
1243 * gimplify.c (struct gimplify_ctx): Remove fields
1244 combined_pre_p and combined_ctxp. Update users.
1245 (get_formal_tmp_var): Add documentation.
1246 (gimple_boolify): Make extern.
1247 (gimplify_expr_in_ctx): Remove. Update callers.
1248 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1249 will always be a BIND_EXPR.
1250 (gimplify_expr): Handle OMP_RETURN_EXPR.
1251 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1252 (OMP_PARALLEL): Add 3 operands.
1253 (OMP_SECTIONS): Add 1 operand.
1254 (OMP_RETURN_EXPR): Define.
1256 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1257 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1258 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1259 creating a circular free list.
1260 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1262 * tree-flow.h (move_sese_region_to_fn): Declare.
1263 (record_vars_into): Declare.
1264 * tree-cfg.c (make_omp_sections_edges): New.
1265 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1266 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1267 OMP_SECTIONS and OMP_SECTION.
1268 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1269 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1270 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1271 (gather_blocks_in_sese_region): New.
1272 (struct move_stmt_d): Declare.
1274 (move_block_to_fn): New.
1275 (move_sese_region_to_fn): New.
1277 * passes.c (init_optimization_passes): Schedule
1278 pass_expand_omp after pass_init_datastructures.
1280 * tree-ssa-operands.c (get_expr_operands): Handle
1281 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1282 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1284 2006-01-19 Jeff Law <law@redhat.com>
1286 * tree-vrp.c (extract_range_from_assert): Refine the result range
1287 if the variable referenced by the ASSERT_EXPR has a range and
1288 either the tentative result range or the previous range is a
1291 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1293 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1295 2006-01-19 Jan Hubicka <jh@suse.cz>
1297 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1299 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1301 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1302 (expand_compound_operation, expand_field_assignment): Fail if the
1303 bit lengths of an extract operation are out of range.
1304 (make_extraction): Compute wanted_inner_mode based on the position
1305 and length of the extraction. Make it extraction_mode for non-constant
1306 positions, and do not modify offset in that case. When generating a
1307 new MEM, use a mode that can hold the extraction while keeping correct
1308 alignment. Remove code that supported MEMs wrapped by USEs.
1309 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1311 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1313 * config/s390/s390.md ("Y", "y"): New mode attribute.
1314 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1315 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1316 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1317 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1318 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1319 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1320 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1321 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1322 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1323 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1324 "addsi3", "subsi3"): Insn patterns removed.
1325 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1326 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1327 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1328 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1329 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1330 "*sub<mode>3_cconly2"): New insn patterns.
1331 ("addsi3", "subsi3"): New expanders.
1333 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1335 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1336 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1337 existing STMT_VINFO_VECTYPE if available.
1338 (vect_mark_relevant): Add special handling for stmts that are
1339 marked as STMT_VINFO_IN_PATTERN_P.
1340 (vect_analyze_loop): Call vect_pattern_recog.
1341 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1342 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1344 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1345 (vect_recog_func_ptr): New function-pointer type.
1346 * tree-vect-patterns.c: New file.
1347 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1348 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1349 (vect_pattern_recog_1): New functions.
1350 (vect_pattern_recog_funcs): New array of function pointers.
1352 * tree-vectorizer.h (ternary_op): New enum value.
1353 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1354 declaration. Revised documentation. Removed redundant dump prints.
1355 Removed redundant argument. Added support for reduction patterns.
1356 (vectorizable_reduction): Added support for reduction patterns.
1357 (vect_transform_stmt): Added support for patterns.
1359 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1360 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1361 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1362 (expand_widen_pattern_expr): New function.
1363 (init_optabs): Initialize new optabs udot_prod_optab,
1365 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1366 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1367 (expand_widen_pattern_expr): New function declaration.
1368 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1370 * tree-inline.c (estimate_num_insns_1): Added cases for new
1371 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1372 * tree-pretty-print.c (dump_generic_node): Likewise.
1373 (op_prio): Likewise.
1374 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1375 * tree-ssa-operands.c (get_expr_operands): Added case for
1377 * tree-vect-patterns.c (widened_name_p): New function.
1378 (vect_recog_dot_prod_pattern): Added function implementation.
1379 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1380 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1381 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1382 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1384 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1385 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1386 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1387 (init_optabs): Initialize new optabs widen_ssum_optab,
1389 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1390 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1391 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1392 use instead of type of def.
1393 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1394 function implementation.
1395 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1396 widen_ssumv8hi): New.
1398 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1401 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1404 * c-decl.c (add_flexible_array_elts_to_size): New function.
1405 (finish_decl): Use it.
1407 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1409 * diagnostic.h: Include options.h.
1410 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1411 dependancies for diagnostic.h.
1412 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1414 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1416 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1417 (ssa_ro_call_cache_valid): Ditto.
1418 * tree-ssa-alias.c (sort_tags_by_id): New function.
1419 (init_transitive_clobber_worklist): Ditto.
1420 (add_to_worklist): Ditto.
1421 (mark_aliases_call_clobbered): Ditto.
1422 (compute_tag_properties): Ditto.
1423 (set_initial_properties): Ditto.
1424 (compute_call_clobbered): Ditto.
1425 (compute_may_aliases): Call compute_call_clobbered and grouping.
1426 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1427 (compute_flow_insensitive_aliasing): Grouping now happens in our
1429 (setup_pointers_and_addressables): Remove clobbering related code.
1430 (add_may_alias): Ditto.
1431 (replace_may_alias): Ditto.
1432 (get_nmt_for): Ditto.
1433 (create_global_var):
1434 (is_escape_site): Return an escape_type enumeration.
1435 * tree-flow-inline.h (is_call_clobbered): Global var does not
1436 imply call clobbered.
1437 (mark_call_clobbered): Take a reason for marking this. Remove
1438 marking of globalness, and cache invalidation.
1439 (clear_call_clobbered): Remove cache invalidation code.
1440 * tree-dfa.c (dump_variable): If details is on, dump the reason
1442 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1444 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1445 (struct var_ann_d): Ditto.
1446 (enum escape_type): New.
1447 (mark_call_clobbered): Adjust prototype.
1448 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1449 are never call clobbered.
1450 Record reasons for escaping.
1451 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1452 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1453 (ssa_ro_call_cache_valid): Ditto.
1454 (clobbered_v_may_defs): Ditto.
1455 (clobbered_vuses): Ditto.
1456 (ro_call_vuses): Ditto.
1457 (clobber_stats): New.
1458 (init_ssa_operands): Zero out clobber stats.
1459 (fini_ssa_operands): Print out clobber stats.
1460 (get_call_expr_operands): Pass callee fndecl to
1462 (add_call_clobber_ops): Remove use of cache.
1463 Add use of PURE_CONST information.
1464 (add_call_read_ops): Remove use of cache.
1465 Add use of static not_read information.
1467 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1469 Introduce TLS descriptors for i386 and x86_64.
1470 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1471 (TARGET_ANY_GNU_TLS): New macro.
1472 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1473 (struct machine_function): Add tls_descriptor_call_expanded_p.
1474 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1475 (ix86_current_function_calls_tls_descriptor): Likewise.
1476 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1477 (override_options): Introduce gnu2 tls dialect.
1478 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1480 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1482 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1483 (ix86_init_machine_status): Initialize new field.
1484 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1485 (ix86_tls_module_base): New.
1486 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1487 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1488 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1489 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1490 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1491 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1492 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1493 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1494 * config/i386/predicates.md (tls_modbase_operand): New.
1495 (tp_or_register_operand): New.
1497 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1499 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1500 (look_for_address_of): Ditto.
1501 (ipa_init): Walk the function decls.
1502 (static_execute): Don't set readonly on FUNCTION_DECL's.
1504 2006-01-18 Roger Sayle <roger@eyesopen.com>
1506 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1507 for shifts where the source and destination registers are different.
1509 2006-01-18 Paul Brook <paul@codesourcery.com>
1511 Merge from csl-arm-branch.
1512 2005-03-14 Julian Brown <julian@codesourcery.com>
1513 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1514 (aeabi_llsl): Likewise.
1515 (ashrdi3): Likewise.
1516 (aeabi_lasr): Likewise.
1517 (lshrdi3): Likewise.
1518 (aeabi_llsr): Likewise.
1519 2005-03-10 Julian Brown <julian@codesourcery.com>
1520 * config.gcc: Disable shared libgcc for SymbianOS.
1521 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1523 2006-01-18 DJ Delorie <dj@redhat.com>
1525 * c-pragma.c (handle_pragma_diagnostic): New.
1526 (init_pragma): Register it.
1527 * doc/extend.texi: Document it.
1529 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1530 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1531 (diagnostic_context): Add classify_diagnostic[].
1532 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1533 as errors if they're overridden to DK_WARNING.
1534 (diagnostic_initialize): Initialize classify_diagnostic[].
1535 (diagnostic_set_kind_override): New.
1536 (diagnostic_report_diagnostic): Check for kind changes.
1537 * opts.c (common_handle_option): Take lang_mask. Update callers.
1539 * common.opt (Werror=): New.
1540 * doc/invoke.texi: Document -Werror=*
1542 2006-01-18 Jeff Law <law@redhat.com>
1544 * tree-vrp.c (test_for_singularity): Correct test for new
1545 min limit. Use operand_equal_p rather than pointer equality
1546 for testing if new min/max values are equal.
1548 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1549 using range information until after propagation and folding.
1551 2006-01-18 Richard Henderson <rth@redhat.com>
1552 Aldy Hernandez <aldyh@redhat.com>
1553 Jakub Jelinek <jakub@redhat.com>
1554 Diego Novillo <dnovillo@redhat.com>
1556 * omp-low.c: New file.
1557 * c-omp.c: New file.
1559 2006-01-18 Richard Henderson <rth@redhat.com>
1560 Jakub Jelinek <jakub@redhat.com>
1561 Diego Novillo <dnovillo@redhat.com>
1563 * doc/invoke.texi: Document -fopenmp.
1564 * tree-dump.h (debug_function): Declare.
1565 * hooks.c (hook_bool_tree_bool_false): New function.
1566 (hook_tree_tree_null): Remove.
1567 (hook_tree_tree_tree_null): New.
1568 * hooks.h: Update to match.
1569 * tree-pretty-print.c (debug_tree_chain): New.
1570 (print_generic_expr): Handle TDF_CHAIN.
1571 (dump_generic_node): Handle BLOCK.
1572 Do not abort with incomplete SWITCH_EXPRs.
1573 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1574 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1575 print space after directive name.
1576 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1577 Handle OMP_MASTER and OMP_ORDERED.
1578 Handle printing of OMP_BODY just in one place, goto
1579 dump_omp_body in the rest of OMP_* nodes that have
1581 Don't handle clause nodes here. Update omp statements to
1582 use dump_omp_clauses.
1583 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1584 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1585 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1586 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1587 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1588 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1589 Adjust output for GOMP_PARALLEL.
1590 (dump_omp_clauses): New.
1591 (print_declaration): Dump DECL_VALUE_EXPR.
1592 (op_symbol_1): Split out of op_symbol.
1593 (dumping_stmts): Remove. Update all users.
1594 * cgraph.c (cgraph_analyze_queue): New.
1595 (cgraph_add_new_function): New.
1596 * cgraph.h (cgraph_analyze_queue): Declare.
1597 (cgraph_add_new_function): Declare.
1598 (cgraph_lower_function): Remove.
1599 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1600 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1601 and TYPE_P nodes in its default clause.
1602 (empty_body_p): New.
1603 (tree_range_check_failed): New.
1605 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1606 OMP_CLAUSE_REDUCTION_MERGE,
1607 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1608 OMP_CLAUSE_PRIVATE_DEBUG,
1609 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1610 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1611 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1612 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1613 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1614 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1615 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1616 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1617 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1618 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1619 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1620 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1621 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1622 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1623 (TREE_RANGE_CHECK): New.
1624 (empty_body_p): Declare.
1625 (enum omp_clause_default_kind): New.
1626 (build_string_literal): Declare.
1627 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1628 (build5_stat, build5): Declare.
1629 * tree-pass.h (TDF_CHAIN): Define.
1630 * tree-pass.h (PROP_gimple_lomp): Define.
1631 (pass_lower_omp): Declare.
1632 * diagnostic.h (debug_tree_chain): Declare.
1633 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1635 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1636 * builtins.c (build_string_literal): Make extern.
1637 * gcc.c (include_spec_function): New.
1638 (static_spec_functions): Add it.
1639 (main): Move load of libgomp.spec ...
1640 (LINK_COMMAND_SPEC): ... here.
1641 (link_gomp_spec): New.
1642 (static_specs): Include it.
1643 (LINK_COMMAND_SPEC): Add link_gomp.
1644 (GOMP_SELF_SPECS): New.
1645 (driver_self_specs): Include it.
1646 (switch_matches): Don't mark inline.
1647 (main): Load libgomp.spec.
1648 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1649 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1650 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1651 * tree-gimple.h (enum omp_parallel): Declare.
1652 (determine_parallel_type): Declare.
1653 (omp_firstprivatize_variable): Declare.
1654 (omp_reduction_init): Declare.
1655 (diagnose_omp_structured_block_errors): Declare.
1656 (struct walk_stmt_info): Add want_return_expr.
1657 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1658 (find_omp_clause): Declare.
1659 (insert_field_into_struct): Declare.
1660 (struct walk_stmt_info): Move from tree-nested.c
1661 (walk_stmts): Declare.
1662 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1664 * cgraphunit.c (cgraph_lower_function): Make static.
1665 (cgraph_finalize_pending_functions): New.
1666 (cgraph_finalize_function): Call it.
1667 (cgraph_finalize_compilation_unit): Likewise.
1668 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1669 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1670 (BT_FN_UINT_UINT): New.
1671 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1672 DEF_FUNCTION_TYPE_VAR_4): Document.
1673 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1674 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1675 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1676 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1677 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1678 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1679 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1680 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1681 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1682 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1683 into separate files.
1684 (DEF_GOMP_BUILTIN): New.
1685 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1686 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1687 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1688 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1689 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1690 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1691 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1692 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1693 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1694 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1695 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1696 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1697 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1698 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1699 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1700 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1701 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1702 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1703 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1704 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1705 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1706 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1707 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1708 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1709 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1710 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1711 * sync-builtins.def: New file, moved from builtins.def.
1712 * omp-builtins.def: New file, moved from builtins.def.
1713 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1714 * gimple-low.c (lower_function_body): Clear data.
1715 (lower_stmt): Do not handle COMPOUND_EXPR.
1716 Remove call to print_node_brief.
1717 * c-tree.h (c_finish_omp_clauses): New prototype.
1718 (C_DECL_THREADPRIVATE_P): Define.
1719 (lookup_name_no_remap, c_omp_remap_private): Remove
1720 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1721 (check_for_loop_decls): Update decl.
1722 (lookup_name_no_remap, c_omp_remap_private): Declare.
1723 (build_indirect_ref, build_modify_expr, pushdecl,
1724 pushdecl_top_level): Move to c-common.h.
1725 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1726 before the switch, but just in the 2 places that need it.
1727 * c-decl.c (diagnose_mismatched_decls): Do not check for
1728 mismatched thread-local attributes when OLDDECL is marked
1729 threadprivate and NEWDECL has no thread-local attributes.
1730 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1731 (c_gimple_diagnostics_recursively): Rename from
1732 c_warn_unused_result_recursively. Invoke
1733 diagnose_omp_structured_block_errors.
1734 (check_for_loop_decls): Return a singular decl found.
1735 * langhooks.c (lhd_omp_predetermined_sharing): Return
1736 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1737 (lhd_omp_firstprivatize_type_sizes): New.
1738 (lhd_omp_assignment): New.
1739 (lhd_omp_predetermined_sharing): New.
1740 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1741 (struct lang_hooks_for_types): Add
1742 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1743 omp_predetermined_sharing, omp_disregard_value_expr,
1744 omp_private_debug_clause, omp_clause_default_ctor,
1745 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1746 (c_finish_omp_clauses): New.
1747 (c_finish_bc_stmt): Diagnose break within omp for.
1748 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1749 (build_unary_op): Return error_mark after reporting
1751 (build_modify_expr): Likewise.
1752 * gimplify.c: Include optabs.h and pointer-set.h.
1753 (enum gimplify_omp_var_data): Declare.
1754 (struct gimplify_omp_ctx): Declare.
1755 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1757 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1758 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1759 (splay_tree_compare_decl_uid): New.
1760 (new_omp_context): New.
1761 (delete_omp_context): New.
1762 (gimple_add_tmp_var): Call omp_add_variable.
1763 (gimplify_bind_expr): Likewise.
1764 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1765 true, disregard DECL_VALUE_EXPR on the decl if any.
1766 (gimplify_expr_in_ctx): New.
1767 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1768 omp_add_variable, omp_notice_variable, omp_is_private
1769 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1770 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1771 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1772 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1773 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1774 gimplify_omp_atomic): New.
1775 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1776 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1777 OMP_CRITICAL and OMP_ATOMIC.
1778 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1779 * c-pragma.h (enum pragma_kind): Add
1780 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1781 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1782 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1783 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1784 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1785 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1786 PRAGMA_OMP_THREADPRIVATE.
1787 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1788 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1789 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1790 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1791 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1792 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1793 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1794 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1795 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1796 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1797 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1798 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1799 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1801 (struct nesting_info): Add field_map,
1802 suppress_expansion, debug_var_chain.
1803 (create_nesting_tree): Initialize them.
1804 (lookup_field_for_decl): Use field_map.
1805 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1806 (convert_local_omp_clauses): New.
1807 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1808 (walk_body): Split out of walk_function.
1809 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1810 (convert_nonlocal_reference): Handle omp statements.
1811 (convert_local_reference): Likewise.
1812 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1813 (unnest_nesting_tree): New.
1814 (lower_nested_functions): Call it.
1815 (insert_field_into_struct): Make extern.
1816 (struct walk_stmt_info): Move to tree-gimple.h.
1817 (walk_stmts): Make extern.
1818 * omp-builtins.def: New file.
1819 * tree-iterator.c (expr_only): Clarify comment.
1820 * c-common.h (pushdecl_top_level, pushdecl,
1821 build_modify_expr, build_indirect_ref,
1822 c_finish_omp_master, c_finish_omp_critical,
1823 c_finish_omp_ordered, c_finish_omp_barrier,
1824 c_finish_omp_atomic, c_finish_omp_flush,
1825 c_finish_omp_for, c_split_parallel_clauses,
1826 omp_clause_default_kind, c_omp_sharing_predetermined,
1827 c_omp_remap_decl): Declare.
1828 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1829 (OBJS-common): Add omp-low.o.
1830 (c-omp.o, omp-low.o): Add.
1831 (gimplify.o): Add dependency on $(OPTABS_H).
1832 (GTFILES): Add omp-low.c.
1833 (gt-stringpool.h): Add.
1834 * tree-cfg.c (set_bb_for_stmt): Do not update the
1835 block-to-labels map if we are currently expanding to RTL.
1836 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1838 Handle IDENTIFIER_NODE.
1839 (tree_verify_flow_info): Do not ICE when emitting error
1840 messages about invalid labels.
1841 (dump_function_to_file): Reset CFUN before emitting the body
1843 (debug_function): New.
1844 * passes.c (init_optimization_passes): Schedule
1846 * langhooks-def.h (lhd_omp_predetermined_sharing,
1847 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1849 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1850 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1851 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1852 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1853 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1854 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1855 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1856 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1857 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1858 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1859 (LANG_HOOK_DECLS): Use them.
1861 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1862 Richard Henderson <rth@redhat.com>
1863 Jakub Jelinek <jakub@redhat.com>
1864 Diego Novillo <dnovillo@redhat.com>
1866 * c-parser.c (pragma_omp_clause): Define.
1867 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1868 (c_parser_compound_statement): Likewise.
1869 (c_parser_statement): Likewise.
1870 (c_parser_pragma): Handle omp pragmas.
1871 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1872 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1873 (c_parser_omp_clause_name, check_no_duplicate_clause,
1874 c_parser_omp_variable_list,
1875 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1876 c_parser_omp_clause_copyprivate,
1877 c_parser_omp_clause_default,
1878 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1879 c_parser_omp_clause_lastprivate,
1880 c_parser_omp_clause_nowait,
1881 c_parser_omp_clause_num_threads,
1882 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1883 c_parser_omp_clause_reduction,
1884 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1885 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1886 c_parser_omp_atomic, c_parser_omp_barrier,
1887 c_parser_omp_critical, c_parser_omp_flush,
1888 c_parser_omp_for_loop, c_parser_omp_for,
1889 c_parser_omp_master, c_parser_omp_ordered,
1890 c_parser_omp_sections_scope, c_parser_omp_sections,
1891 c_parser_omp_parallel, c_parser_omp_single,
1892 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1893 * c-pragma.c (init_pragma): Do omp pragma registration here.
1894 * c.opt (fopenmp): New flag.
1896 2006-01-18 Eric Christopher <echristo@apple.com>
1898 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1899 * config/darwin.h (GOMP_SELF_SPECS): Define.
1901 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1903 * rtl.h: Remove the prototype for reg_alloc.
1905 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1908 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1909 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1910 sjlj and dwarf2 exception handling.
1911 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1912 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1913 * pa/pa.c (function_value): Treat complex and vector types as
1915 (function_arg): Likewise. Only pass scalar floats in the floating
1916 point argument registers.
1917 * pa/t-slibgcc-dwarf-ver: New file.
1918 * pa/t-slibgcc-sjlj-ver: New file.
1919 * pa/t-slibgcc-elf-ver: Delete file.
1921 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1923 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1924 unlikely_test_section_p test.
1926 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1928 * mode-switching.c (optimize_mode_switching): Make it static.
1929 * basic-block.h: Remove the prototype for
1930 optimize_mode_switching.
1932 * modulo-sched.c (sms_schedule): Make it static.
1933 * rtl.h: Remove the prototype for sms_schedule.
1935 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1936 * rtl.h: Remove the prototype for gcse_after_reload_main.
1938 * reg-stack.c (reg_to_stack): Make it static.
1939 * rtl.h: Remove the prototype for reg_to_stack.
1941 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1943 * rtl.h: Remove the prototypes for regrename_optimize and
1944 copyprop_hardreg_forward.
1946 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1948 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1949 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1950 Test against the appropriate null constant for the mode.
1951 If 'fixup_overlap' is true, swap the operands if they overlap.
1952 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1953 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1954 alpha_split_tmode_pair and adjust for above change.
1955 * config/alpha/alpha.md (movtf_internal): Adjust call to
1956 alpha_split_tfmode_pair and rely on it to swap the operands.
1957 (movti_internal): New insn and post-reload splitter.
1958 (movti): New expander.
1960 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1962 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1965 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1967 * rtlanal.c (global_reg_mentioned_p_1,
1968 global_reg_mentioned_p): Remove.
1969 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1971 * flow.c (initialize_uninitialized_subregs): Make it static.
1972 * rtl.h: Remove the prototype for
1973 initialize_uninitialized_subregs.
1975 * function.c (instantiate_virtual_regs): Make it static.
1976 * function.h: Remove the prototype for
1977 instantiate_virtual_regs.
1979 * regmove.c (regmove_optimize, combine_stack_adjustments):
1981 * rtl.h: Remove the prototypes for regmove_optimize and
1982 combine_stack_adjustments.
1984 2006-01-17 Roger Sayle <roger@eyesopen.com>
1986 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1987 (size_cost): Encode costs in bytes so that a reg-reg addition is
1988 equivalent to COSTS_N_INSNS(1).
1989 (override_options): Use the size_cost.branch_cost as the default
1990 ix86_branch_cost when optimizing for size.
1992 2006-01-18 Ben Elliston <bje@au.ibm.com>
1994 * Makefile.in (D32PBIT_FUNCS): New.
1995 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1996 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1997 D64PBIT_FUNCS and D128PBIT_FUNCS.
1998 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1999 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2001 (decnumber_dep): Define.
2002 * doc/libgcc.texi (Decimal float library routines): New node.
2003 * config/dfp-bit.h, config/dfp-bit.c: New files.
2005 2006-01-18 Ben Elliston <bje@au.ibm.com>
2007 * expr.c (emit_move_change_mode): Always adjust addresses, not
2008 just during reload. Copy replacements only during reload.
2009 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2010 emit_move_via_integer.
2012 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2014 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2015 instead of $(srcdir) and ${srcdir}.
2017 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2021 * arm.h (struct machine_function): Add pic_reg.
2022 * arm.c (arm_pic_register): Make unsigned.
2023 (arm_override_options): Only set arm_pic_register if
2024 TARGET_SINGLE_PIC_BASE.
2025 (use_return_insn): Only test for a pic register if it is fixed.
2026 (arm_compute_save_reg0_reg12_mask): Likewise.
2027 (thumb_compute_save_reg_mask): Likewise.
2028 (legitimate_pic_operand): Factor out some known invariants.
2029 (legitimize_pic_address): If we don't have a fixed pic register,
2030 then set up a pseudo in the function entry sequence. Handle the
2031 pic base being in a pseudo.
2032 (arm_load_pic_register): Handle the pic register being in a pseudo.
2033 (arm_expand_prologue): Only set up the pic register if it is fixed.
2034 (thumb_expand_prologue): Likewise.
2035 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2036 (pic_load_addr_based_insn): Likewise.
2037 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2040 2006-01-18 Ben Elliston <bje@au.ibm.com>
2042 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2043 decimal float modes for all floating point registers.
2045 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2046 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2048 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2051 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2052 even when the pointer is not NULL.
2054 2006-01-16 Ian Lance Taylor <ian@airs.com>
2056 * common.opt (ftoplevel-reorder): New option.
2057 * cgraph.c (cgraph_asm_nodes): New global variable.
2058 (cgraph_asm_last_node): New static variable.
2059 (cgraph_order): New global variable.
2060 (cgraph_create_node): Set new order field.
2061 (cgraph_varpool_node): Likewise.
2062 (decide_is_variable_needed): Return true if not
2063 flag_toplevel_reorder.
2064 (cgraph_add_asm_node): New function.
2065 * cgraph.h (struct cgraph_node): Add order field.
2066 (struct cgraph_varpool_node): Add order field.
2067 (struct cgraph_asm_node): Define.
2068 (cgraph_asm_nodes, cgraph_order): Declare.
2069 (cgraph_add_asm_node): Declare.
2070 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2072 (cgraph_varpool_assemble_pending_decls): Call it.
2073 (cgraph_output_pending_asms): New static function.
2074 (cgraph_finalize_compilation_unit): Call it.
2075 (struct cgraph_order_sort): Define.
2076 (cgraph_output_in_order): New static function.
2077 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2078 !flag_toplevel_reorder case.
2079 * c-parser.c: Include "cgraph.h".
2080 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2082 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2083 than -fno-unit-at-a-time.
2084 * doc/invoke.texi (Option Summary): Mention
2085 -fno-toplevel-reorder.
2086 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2087 -funit-at-a-time documentation.
2089 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2090 Kazu Hirata <kazu@codesourcery.com>
2092 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2094 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2096 * Makefile.in (FUNCTION_H): New. Use it instead of
2097 function.h throughout the file.
2098 * function.h: Include tree.h.
2100 2006-01-17 Ben Elliston <bje@au.ibm.com>
2102 * recog.c: Separate some functions with whitespace.
2104 2006-01-16 Richard Henderson <rth@redhat.com>
2106 Merge from gomp branch:
2107 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2108 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2109 and rename from struct inline_data. Rename callee* to dst*;
2110 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2111 transform_new_cfg, transform_return_to_modify, and
2112 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2114 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2115 (copy_decl_for_dup): Remove.
2116 * tree-inline.c (struct inline_data): Move to header.
2117 (insert_decl_map): Export.
2118 (remap_decl): Update for member name changes. Use copy_decl hook.
2119 Allow for replacement to be a non-decl. Remove dead code.
2120 (remap_type_1): Check for existing mapping.
2121 (remap_type): Export.
2122 (remap_decls): Update for member name changes.
2123 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2124 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2125 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2126 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2127 (tree_function_versioning, build_duplicate_type): Likewise.
2128 (copy_body_r): Likewise. Export.
2129 (copy_decl_for_dup): Split into ...
2130 (copy_decl_for_dup_finish, copy_decl_to_var,
2131 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2132 (replace_ref_tree, inlining_p): Remove.
2134 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2136 * ifcvt.c (if_convert): Make it static.
2137 * rtl.h: Remove the prototype for if_convert.
2139 * local-alloc.c (local_alloc): Make it static.
2140 * rtl.h: Remove the prototype for local_alloc.
2142 * loop.c (loop_optimize): Make it static.
2143 * cfgloop.h: Remove the prototype for loop_optimize.
2146 2006-01-16 DJ Delorie <dj@redhat.com>
2148 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2151 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2153 * pa.md: Disparage copies between general and floating-point registers
2154 in 32-bit move patterns.
2156 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2159 * Makefile.in (check-%): Depend on site.exp instead of
2160 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2163 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2165 * global.c (global_alloc): Make it static.
2166 * rtl.h: Remove the prototype for global_alloc.
2168 2006-01-16 Richard Guenther <rguenther@suse.de>
2170 * tree-ssa-alias.c (struct used_part): Add write_only field.
2171 (get_or_create_used_part_for): Initialize it to true.
2172 (create_overlap_variables_for): Don't create structure variables
2173 for structures that only are written to.
2174 (find_used_portions): Handle MODIFY_EXPR to track whether a
2175 structure is only written to.
2177 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2179 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2181 * basic-block.h: Remove the prototype for
2182 partition_hot_cold_basic_blocks.
2184 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2186 * cppspec.c (lang_specific_spec_functions): Remove.
2187 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2188 * gcc.h (lang_specific_spec_functions): Remove.
2189 * gccspec.c (lang_specific_spec_functions): Remove.
2191 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2193 * combine.c (record_value_for_reg): Invalidate registers
2195 (record_dead_and_set_regs_1): Likewise, by passing them to
2196 record_value_for_reg.
2197 (record_dead_and_set_regs): Invalidate stores made by a
2198 call. We do not combine across a call, but we still
2199 relied on equivalences.
2201 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2203 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2204 vrp_int_const_binop returning non-constant nodes.
2206 2006-01-16 Paul Brook <paul@codesourcery.com>
2208 * config/m68k/m68k.c (output_move_const_into_data_reg):
2209 Output correct mnemonic for mvz and mvs.
2211 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2213 * rtl-factoring.c: Add sequence abstraction algorithm.
2214 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2215 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2217 (block_has_preserve_label): New function.
2218 * common.opt: Register new pass.
2219 * Makefile.in: Ditto.
2221 * timevar.def: Ditto.
2222 * tree-pass.h: Ditto.
2223 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2224 * rtl.h (make_jump_insn_raw): Add forward decl.
2225 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2227 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2228 Roger Sayle <roger@eyesopen.com>
2230 * fold-const.c (fold_minmax): New static function.
2231 (fold_binary) <MIN_EXPR>: Call it.
2232 <MAX_EXPR>: Likewise.
2233 * stor-layout.c (place_field): Use DECL_SIZE consistently
2234 in the computation of the new record size.
2236 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2238 * cse.c (cse_condition_code_reg): Make it static.
2239 * rtl.h: Remove the prototype for cse_condition_code_reg.
2241 * combine.c (combine_instructions): Make it static.
2242 * rtl.h: Remove the prototype for combine_instructions.
2244 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2247 * tree.c (get_file_function_name_long): Concatenate the first global
2248 object name with a string derived from the input filename of the object
2251 2006-01-16 Ben Elliston <bje@au.ibm.com>
2253 * config/i386/winnt-stubs.c: Update FSF address.
2254 * config/xtensa/ieee754-df.S: Ditto.
2255 * config/xtensa/ieee754-sf.S: Ditto.
2257 2006-01-14 Ian Lance Taylor <ian@airs.com>
2259 * ifcvt.c (noce_init_if_info): New static function, broken out of
2260 noce_process_if_block.
2261 (noce_process_if_block): Call noce_init_if_info.
2262 (check_cond_move_block): New static function.
2263 (cond_move_process_if_block): New static function.
2264 (process_if_block): Call cond_move_process_if_block.
2266 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2268 * cselib.c (hash_table): Rename to cselib_hash_table.
2269 (cselib_clear_table, discard_useless_values,
2270 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2271 cselib_init, cselib_finish): Adjust uses of hash_table.
2273 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2275 PR tree-optimization/25485
2276 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2277 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2278 is known to be false and true, respectively.
2280 2006-01-14 Richard Guenther <rguenther@suse.de>
2282 PR tree-optimization/22548
2283 PR tree-optimization/22555
2284 PR tree-optimization/22501
2285 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2286 * params.def (salias-max-array-elements): New parameter.
2287 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2288 * doc/invoke.texi (salias-max-array-elements): Document.
2289 * tree-flow-inline.h (var_can_have_subvars): We also handle
2291 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2293 * tree-ssa-structalias.c (params.h): Include.
2294 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2295 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2296 (get_constraint_for): For ADDR_EXPR operating on something
2297 containing an ARRAY_REF, add all subvars to the solution.
2298 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2299 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2300 for creating MUST_DEFs.
2301 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2303 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2305 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2307 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2308 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2309 number_of_iterations_le): New functions.
2310 (number_of_iterations_special): Removed.
2311 (number_of_iterations_exit): Do not use number_of_iterations_special.
2312 * tree.c (unsigned_type_for): Always return integer type.
2314 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2315 Richard Guenther <rguenther@suse.de>
2317 PR rtl-optimization/24257
2318 * gcse.c (find_moveable_store): Only consider a store movable
2319 when the SET_SRC of the insn can be assigned to a register.
2321 2006-01-14 Ian Lance Taylor <ian@airs.com>
2323 * tree.c (tree_not_class_check_failed): New function.
2324 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2325 (tree_not_class_check_failed): Declare.
2327 2006-01-13 Ian Lance Taylor <ian@airs.com>
2329 * reload1.c (do_output_reload): Add assertion rejecting a
2332 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2334 * combine.c (struct reg_stat): Add new fields truncation_label and
2336 (record_value_for_reg): Reset truncated_to_mode.
2337 (record_truncated_value): New function.
2338 (check_promoted_subreg): Call it. Rename to check_conversions.
2339 (combine_instructions): Rename check_promoted_subreg to
2341 (reg_truncated_to_mode): New function.
2342 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2343 (gen_lowpart_or_truncate): New function.
2344 (force_to_mode): Use it instead of gen_lowpart.
2346 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2348 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2349 VAR is a tag, not its type tag.
2351 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2353 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2354 alternatives to match style of other entries.
2355 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2357 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2359 PR tree-optimization/25771
2360 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2363 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2366 * tree-inline.c (declare_return_variable): If the return variable
2367 was marked as a non gimple complex, set the return slot variable
2368 to be a non gimple comple variable.
2370 2006-01-13 Richard Guenther <rguenther@suse.de>
2372 * builtins.c (expand_builtin_sincos): New function.
2373 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2375 (expand_builtin): Expand sincos using expand_builtin_sincos.
2377 2006-01-12 DJ Delorie <dj@redhat.com>
2379 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2380 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2381 so that constant shifts can be split.
2382 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2383 (m32c_valid_pointer_mode): Make static.
2384 (shift_gen_func_for): New.
2385 (m32c_prepare_shift): Use it. Split large const shifts into
2387 * config/m32c/predicates.md (shiftcount_operand): Allow more
2389 (longshiftcount_operand): New.
2390 * doc/md.texi (Machine Constraints): Document In6.
2392 2006-01-13 Ben Elliston <bje@au.ibm.com>
2394 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2395 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2398 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2400 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2401 to try to avoid clobbering pieces of structures when we know
2402 something about the whole structure.
2403 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2405 2006-01-13 Ben Elliston <bje@au.ibm.com>
2407 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2408 return in memory, as this is no limitation is no longer present.
2410 2006-01-12 DJ Delorie <dj@redhat.com>
2412 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2413 mova with fb, and for fb+0 -> An.
2415 * config/m32c/mov.md (peephole2): Fix enabling logic.
2417 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2418 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2419 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2420 FINI_ARRAY_SECTION_ASM_OP): Define.
2422 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2424 (m32c_legitimize_reload_address): New logic to reload FB to An.
2425 (m32c_output_reg_push): Add newline.
2426 (m32c_output_reg_pop): Likewise.
2428 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2430 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2432 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2434 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2436 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2438 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2441 2006-01-11 Ben Elliston <bje@au.ibm.com>
2443 * rtlanal.c (find_reg_note): Assert insn is not null.
2445 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2447 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2450 2006-01-11 Jeff Law <law@redhat.com>
2452 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2454 (mark_threaded_blocks, register_jump_thread): New functions.
2455 (thread_through_all_blocks): Remove unwanted argument. No
2456 longer rely on e->aux to communicate thread target info.
2457 Call mark_threaded_blocks. Release the threaded_blocks
2458 bitmap and threaded_edges vector when complete.
2459 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2460 (threaded_blocks): Remove.
2461 (tree_ssa_dominator_optimize): Remove initialization and
2462 finalization of threaded_blocks. Simplify call to
2463 thread_through_all_blocks.
2464 (thread_across_edge): Call register_jump_thread rather than
2465 storing thread information into e->aux.
2466 (free_all_edge_infos): Simplify now that e->aux is no longer
2467 used to communicate with thread_through_all_blocks.
2468 * tree-flow.h (thread_through_all_blocks): Update prototype.
2469 (register_jump_thread): Prototype.
2471 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2473 * df-core.c (df_compact_blocks, df_bb_replace): Use
2474 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2476 2006-01-11 Richard Guenther <rguenther@suse.de>
2478 PR tree-optimization/25734
2479 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2480 stop propagation after successful propagation to the LHS.
2482 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2484 * basic-block.h (control_flow_graph): Change the type of
2485 x_basic_block_info to VEC(basic_block,gc) *.
2486 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2488 (SET_BASIC_BLOCK): New.
2489 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2490 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2491 * cfgbuild.c (find_basic_blocks): Likewise.
2492 * cfglayout.c (fixup_reorder_chain): Likewise.
2493 * cfgrtl.c (create_basic_block_structure,
2494 rtl_create_basic_block): Likewise.
2495 * ifcvt.c (find_if_case_1): Likewise.
2496 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2499 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2501 * Makefile.in: Removed rotted odf.c entry.
2503 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2506 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2507 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2508 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2509 output pattern modifier, not %e.
2510 * config/cris/cris.c (cris_op_str): Update comment about pattern
2512 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2513 before falling through into...
2514 <case 'E'>: Redefined from old 'e' case.
2516 2006-01-11 Jan Hubicka <jh@suse.cz>
2519 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2521 2006-01-11 Jan Hubicka <jh@suse.cz>
2523 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2524 * i386.c (x86_decompose_lea): Kill.
2525 (ix86_rtx_costs): Kill.
2527 2006-01-11 Jan Hubicka <jh@suse.cz>
2529 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2530 * cgraph.h (cgraph_node): Add inline_decl.
2531 (cgraph_insert_node_to_hashtable): Declare.
2532 (save_inline_function_body): Declare.
2533 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2535 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2536 (cgraph_function_versioning): Update call of tree_function_versioning.
2537 (save_inline_function_body): New function.
2538 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2539 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2540 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2541 (cgraph_default_inline_p): Likewise.
2542 (cgraph_decide_inlining_incrementally): Likewise.
2543 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2544 (copy_bb): Kill saving; do updating of clones.
2545 (copy_cfg_body): Kill saving.
2546 (initialize_inlined-parameters): Likewise.
2547 (expand_call_inline): Likewise.
2549 (tree_function_versioning): New parameter "update_clones".
2550 (inlining_p): Kill saving.
2551 * tree-inline.h (tree_function_versioning): Update prototype.
2552 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2555 2006-01-11 Ian Lance Taylor <ian@airs.com>
2557 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2558 Allow undoing set of machine mode.
2559 (do_SUBST): Use enums instead of is_int.
2560 (do_SUBST_MODE): New function.
2561 (SUBST_MODE): New macro.
2562 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2563 reg and trying to replace reg_regno_rtx with a new register.
2564 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2565 (simplify_set): Use SUBST_MODE.
2566 (distribute_notes): Remove code that tried to update reg notes
2567 for regno_reg_rtx changes.
2569 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2571 PR tree-optimization/23109
2572 PR tree-optimization/23948
2573 PR tree-optimization/24123
2575 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2576 * tree-cfg.c (single_noncomplex_succ): New.
2577 * tree-flow.h (single_noncomplex_succ): Declare it.
2578 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2579 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2580 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2581 insert_bb, register_division_in, insert_reciprocals,
2582 replace_reciprocal, free_bb): New.
2583 (execute_cse_reciprocals_1): Rewritten.
2584 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2585 Do not commit any edge insertion. Always compute dominators and
2586 create the allocation pool.
2587 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2588 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2589 * targhooks.c (default_min_divistions_for_recip_mul): New.
2590 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2591 * passes.c (init_optimization_passes): Run recip after tree loop
2593 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2595 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2596 Kenneth Zadeck <zadeck@naturalbridge.com>
2598 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2599 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2600 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2601 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2602 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2603 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2604 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2605 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2606 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2607 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2608 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2609 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2610 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2611 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2612 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2613 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2614 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2615 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2616 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2617 DF_SCAN_POST_ALLOC): New macros.
2618 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2619 df_free_bb_function, df_local_compute_function, df_init_function,
2620 df_dataflow_function, df_confluence_function_0,
2621 df_confluence_function_n, df_transfer_function,
2622 df_finalizer_function, df_free_function, df_dump_problem_function,
2623 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2624 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2625 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2626 df_urec_bb_info, ) New types.
2627 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2629 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2630 df_analyze_simple_change_some_blocks,
2631 df_analyze_simple_change_one_block, df_compact_blocks,
2632 df_bb_replace, df_bb_regno_last_use_find,
2633 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2634 df_insn_regno_def_p, df_find_def, df_find_use,
2635 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2636 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2637 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2638 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2639 debug_df_chain, df_get_dependent_problem, df_chain_create,
2640 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2641 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2642 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2643 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2644 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2645 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2646 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2647 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2648 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2649 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2650 df_reorganize_refs, df_set_state, df_hard_reg_init,
2651 df_read_modify_subreg_p) New public functions.
2652 * df-core.c: The core dataflow solver and glue routines for rtl
2654 (df_init, df_add_problem, df_set_blocks, df_finish,
2655 df_hybrid_search_forward, df_hybrid_search_backward,
2656 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2657 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2658 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2659 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2660 df_reg_defined, df_find_use, df_reg_used, df_dump,
2661 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2662 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2663 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2664 debug_df_useno, reset_df_after_reload): New functions.
2665 * df-scan.c: The scanning fuctions, once in df.c, completely
2666 rewritten so that they now fully model the functionality of
2667 register usage at the backend.
2668 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2669 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2670 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2671 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2672 df_get_artificial_defs, df_get_artificial_uses,
2673 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2674 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2675 df_refs_delete, df_reorganize_refs, df_set_state,
2676 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2677 df_def_record_1, df_defs_record, df_uses_record,
2678 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2679 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2680 df_record_exit_block_uses, df_hard_reg_init): New functions.
2682 * df-problems.c: Seven concrete dataflow problems that use the
2683 scanning in df-scan.c and are solved by the engine in df-core.c.
2684 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2685 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2686 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2687 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2688 df_ru_free_bb_info, df_ru_alloc,
2689 df_ru_bb_local_compute_process_def,
2690 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2691 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2692 df_ru_transfer_function, df_ru_free, df_ru_dump,
2693 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2694 df_rd_free_bb_info, df_rd_alloc,
2695 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2696 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2697 df_rd_transfer_function, df_rd_free, df_rd_dump,
2698 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2699 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2700 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2701 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2702 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2703 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2704 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2705 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2706 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2707 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2708 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2709 df_urec_mark_reg_use_for_earlyclobber,
2710 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2711 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2712 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2713 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2714 df_chain_create_bb_process_use, df_chain_create_bb,
2715 df_chain_finalize, df_chain_free, df_chains_dump,
2716 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2717 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2718 df_reg_lifetime): New functions.
2719 * df.c: Deleted file.
2720 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2721 consistent with new df api.
2722 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2723 rest_of_handle_sms): Ditto.
2724 * web.c (unionfind_union, union_defs, entry_register, web_main):
2726 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2727 invariant_expr_equal_p, find_defs, check_dependencies,
2728 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2729 free_inv_motion_data, move_loop_invariants): Ditto.
2730 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2731 Update dependencies.
2732 (odf.c): Added defective entry that was deleted later in day.
2733 * sched-deps.c (sched_analyze_1): Ditto.
2735 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2737 * tree-ssa-operands.c (get_expr_operands): Record addressable
2738 variables directly. Do not call add_stmt_operands for CONST_DECLs
2740 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2741 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2743 2006-01-11 Ben Elliston <bje@au.ibm.com>
2745 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2746 function returns true in the positive case.
2748 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2751 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2752 for SI, DI, SF and DF modes. Add alternatives to copy between
2753 general and floating point registers to the 32-bit patterns.
2754 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2755 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2756 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2757 generating 64-bit code.
2758 * config/pa/pa.c (output_move_double): Handle copies between general
2759 and floating registers.
2761 2006-01-10 Stuart Hastings <stuart@apple.com>
2763 * config/i386/i386.md (set_got): Update.
2764 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2765 (builtin_setjmp_receiver): Mach-O support.
2766 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2767 (GOT_SYMBOL_NAME): Define.
2768 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2769 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2770 * config/i386/i386.c (override_options): Revise for Darwin.
2771 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2772 support. (darwin_x86_file_end): New. (output_set_got): Add label
2773 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2774 * config/i386/i386-protos.h (output_set_got): Likewise.
2775 * config/darwin.c (machopic_legitimize_pic_address): Update
2778 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2780 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2781 when MODE isn't BLKmode.
2783 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2785 PR rtl-optimization/25367
2786 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2788 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2791 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2792 for a negative bound.
2794 2006-01-10 Richard Guenther <rguenther@suse.de>
2796 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2797 Never override with anything constraint.
2799 2006-01-10 Jan Beulich <jbeulich@novell.com>
2801 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2802 256 bits when optimize_size.
2804 2006-01-10 Jan Beulich <jbeulich@novell.com>
2806 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2808 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2809 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2812 2006-01-10 Ben Elliston <bje@au.ibm.com>
2814 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2816 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2817 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2818 (USE_FP_FOR_ARG): Reject decimal float modes.
2819 (function_arg_advance): Likewise.
2820 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2821 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2822 point types in AltiVec vectors.
2823 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2824 (rs6000_libcall_value): Likewise.
2826 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2828 * config/xtensa/ieee754-df.S: New file.
2829 * config/xtensa/ieee754-sf.S: New file.
2830 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2831 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2832 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2834 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2836 * config/sh/predicates.md (binary_float_operator,
2837 binary_logical_operator, commutative_float_operator,
2838 equality_comparison_operator, greater_comparison_operator,
2839 less_comparison_operator, logical_operator,
2840 noncommutative_float_operator, shift_operator,
2841 symbol_ref_operand, unary_float_operator): Remove redundant
2844 2006-01-09 Jeff Law <law@redhat.com>
2846 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2847 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2848 now unused arguments. Callers updated.
2849 (eliminate_redundant_computations): Remove now unused arguments,
2851 (local_fold): Remove, no longer used.
2852 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2854 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2855 (simplify_cond): New function.
2856 (forward_propagate_into_cond): Call simplify_cond.
2858 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2860 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2861 (*vec_extractv2di_1_sse): New.
2863 2006-01-09 Ben Elliston <bje@au.ibm.com>
2865 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2867 2006-01-08 Richard Guenther <rguenther@suse.de>
2869 * tree-ssa-structalias.c (get_constraint_for): Remove
2871 (get_constraint_for_component_ref): Likewise.
2872 (do_deref): Likewise.
2873 (get_constraint_for): Likewise.
2874 (do_structure_copy): Likewise.
2875 (handle_ptr_arith): Likewise.
2876 (find_func_aliases): Likewise. Remove unused need_anyoffset
2879 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2880 Kaz Kojima <kkojima@gcc.gnu.org>
2882 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2883 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2884 (EXTRA_CONSTRAINT_C16): Remove.
2885 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2886 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2887 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2888 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2889 constants of SHmedia. Handle nested constant expressions of
2891 (andcosts): Fix the costs for SHmedia constants.
2892 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2893 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2894 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2895 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2896 (movv4hi_i, movv2si_i): Likewise.
2897 (movsi_const): Adjust the second operand of ior so to match with
2899 (movdi_const, movdi_const_32bit): Likewise.
2900 (movdi_const_16bit+1): Don't sign-extend LOW.
2901 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2903 (*double_shori): Fix the split condition. Use GEN_INT instead
2904 of get_int_mode calls. Mask lower 16-bit of the argument of
2906 (sym2GOTPLT): Remove.
2907 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2909 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2910 instead of EXTRA_CONSTRAINT_C16.
2912 2006-01-07 Ian Lance Taylor <ian@airs.com>
2913 David Edelsohn <edelsohn@gnu.org>
2915 PR rtl-optimization/25662
2916 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2917 for constant operands instead of simplify_gen_binary.
2918 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2919 after trying simplify_binary_operation
2921 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2923 * tree.c (iterative_hash_expr): Hash decls based on UID.
2925 2006-01-06 Eric Christopher <echristo@apple.com>
2927 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2928 (TARGET_UNWIND_EMIT): Fix spelling.
2929 * target.h (gcc_target): Add except_table_label.
2930 * except.c (output_function_exception_table): Use.
2931 * varasm.c (default_emit_except_table_label): New.
2932 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2934 (asm_out): Add here.
2935 * output.h (default_emit_except_table_label): Prototype.
2936 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2937 * config/darwin.c (darwin_emit_except_table_label): Define.
2938 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2940 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2942 PR tree-optimization/18527
2943 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2944 number_of_iterations_special, number_of_iterations_exit):
2945 Move base and step of an iv to a single structure. Add
2946 no_overflow flag, and use it in # of iterations analysis.
2947 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2948 folded_casts argument.
2949 (simple_iv): Pass base and step in a structure. Set no_overflow
2951 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2952 Evaluate expensiveness of computing # of iterations instead of
2953 the final expression.
2954 * tree-scalar-evolution.h (affine_iv): New structure.
2955 (simple_iv): Declaration changed.
2956 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2957 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2958 find_givs_in_stmt): Changed due to simple_iv change.
2960 2006-01-06 Jeff Law <law@redhat.com>
2963 * tree-cfg.c (bsi_replace): Rename final argument from
2964 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2965 change (stmt -> orig_stmt).
2966 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2967 (bsi_remove): Add new argument. Remove EH information
2969 (verify_eh_throw_table_statements): New function.
2970 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2972 * tree-optimize.c (execute_free_cfg_annotations): Verify
2973 the EH throw statement table after removing annotations.
2974 * except.h (verify_eh_throw_table_statements): Prototype.
2975 * tree-flow.h (bsi_remove): Update prototype.
2976 * tree-vrp.c (remove_range_assertions): Add new argument to
2978 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2979 * tree-complex.c (expand_complex_div_wide): Likewise.
2980 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2981 * tree-tailcall.c (eliminate_tailcall): Likewise.
2982 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2983 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2984 * tree-nrv.c (tree_nrv): Likewise.
2985 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2986 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2987 (combine_blocks): Likewise.
2988 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2989 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2990 (cleanup_control_flow): Likewise.
2991 (remove_forwarder_block): Likewise.
2992 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2993 * tree-sra.c (sra_replace): Likewise.
2994 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2995 (forward_propagate_single_use_vars): Likewise.
2996 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2997 * tree-inline.c (expand_call_inline): Likewise.
2998 * tree-vect-transform.c (vect_transform_loop): Likewise.
2999 * tree-outof-ssa.c (rewrite_trees): Likewise.
3000 * tree-cfg.c (make_goto_expr_edges): Likewise.
3001 (cleanup_dead_labels): Likewise.
3002 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3003 (bsi_move_before, bsi_move_after): Likewise.
3004 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3005 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3007 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3010 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3012 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3013 on non gimple variables. Also add checks at the top for decls and
3015 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3017 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3018 and IMAGPART_EXPR for creating MUST_DEFs.
3019 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3020 and NAME_MEMORY_TAG separately from the DECLs.
3022 2006-01-06 Richard Guenther <rguenther@suse.de>
3024 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3025 annotation, if necessary.
3026 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3027 redundant calls to update_stmt.
3028 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3031 2006-01-05 Richard Henderson <rth@redhat.com>
3033 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3035 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3037 * c-typeck.c: Update copyright date.
3039 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3041 * c-typeck.c (build_c_cast): Always warn when casting
3042 from a pointer to an integer of different size, even if
3043 the node was constant.
3045 2006-01-05 Richard Guenther <rguenther@suse.de>
3047 PR tree-optimization/22555
3048 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3049 if one structure field is an array.
3050 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3051 operands even if we found a subvar, but ignore VOPs in this
3053 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3055 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3057 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3060 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3062 2006-01-05 Richard Guenther <rguenther@suse.de>
3063 Diego Novillo <dnovillo@redhat.com>
3065 * tree-pass.h (TODO_remove_unused_locals): Define.
3066 * gimple-low.c (expand_var_p, remove_useless_vars,
3067 pass_remove_useless_vars): Remove. Update all users.
3068 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3069 (remove_unused_locals): New function.
3070 * tree-flow.h (remove_unused_locals): Declare.
3071 * passes.c (execute_todo): Call remove_unused_locals if
3072 TODO_remove_unused_locals is set.
3073 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3074 * tree-ssa-dce.c (pass_dce): Likewise.
3075 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3077 2006-01-05 Richard Guenther <rguenther@suse.de>
3079 * tree-flow.h (struct fieldoff): Decompose field to
3080 type, size and decl.
3081 * tree-ssa-alias.c (create_sft): Take type as parameter.
3082 (create_overlap_variables_for): Store type, size and decl
3083 in the fieldoff structure.
3084 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3086 (push_fields_onto_fieldstack): Likewise.
3087 (create_variable_info_for): Likewise. Use offset for the
3088 SFT name if the decl is not available.
3090 2006-01-04 Paul Brook <paul@codesourcery.com>
3092 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3094 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3096 * lambda-code.c (can_put_in_inner_loop): Relax
3098 (can_put_after_inner_loop): New function.
3099 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3100 (perfect_nestify): Change to make copies and modify uses.
3102 2006-01-04 Richard Henderson <rth@redhat.com>
3104 Merge from gomp branch:
3105 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3106 via integer constant.
3107 (pragma_lex): Remove.
3108 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3109 rather than parsing it.
3110 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3111 handle_pragma_extern_prefix): Add %< %> quotes.
3112 (registered_pragmas): New.
3113 (c_register_pragma_1): New.
3114 (c_register_pragma): Use it.
3115 (c_register_pragma_with_expansion): Likewise.
3116 (c_invoke_pragma_handler): New.
3117 (init_pragma): Use cpp_register_deferred_pragma directly for
3119 * c-pragma.h (enum pragma_kind): New.
3120 (pragma_handler): New.
3121 (c_invoke_pragma_handler): Declare.
3122 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3124 * c-common.h (c_common_pch_pragma): Update decl.
3125 * Makefile.in (c-parser.o): Update dependencies.
3126 (GTFILES): Add c-pragma.h.
3127 * c-parser.c (struct c_token): Add pragma_kind.
3128 (struct c_parser): Add in_pragma.
3129 (c_lex_one_token): Always initialize keyword and pragma_kind.
3130 Extract data for CPP_PRAGMA.
3131 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3132 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3133 Don't allow CPP_PRAGMA_EOL if in_pragma.
3134 (c_parser_consume_pragma): New.
3135 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3136 (c_parser_skip_to_end_of_parameter): Likewise.
3137 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3138 (c_parser_skip_to_pragma_eol): New.
3139 (c_parser_external_declaration): Handle CPP_PRAGMA.
3140 (c_parser_compound_statement_nostart): Likewise.
3141 (c_parser_statement_after_labels): Likewise.
3142 (c_parser_pragma): New.
3143 (pragma_lex): Likewise.
3144 (c_parser_pragma_pch_preprocess): New.
3145 (c_parser_new): Merge into ...
3146 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3148 2006-01-04 Jeff Law <law@redhat.com>
3151 * tree-cfg.c (bsi_replace): Remove the original statement
3152 from the EH throw statement table.
3154 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3156 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3157 make the prototype extern "C" and add throw ().
3160 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3161 and pos non-negative and pos + len <= 32.
3162 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3163 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3164 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3167 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3168 as well as sizes not multiple of component size.
3171 * function.c (instantiate_expr): New function.
3172 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3173 walk its DECL_VALUE_EXPR with instantiate_expr.
3175 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3176 DW_OP_deref{,_size} if address isn't going to be added.
3178 2006-01-04 Ben Elliston <bje@au.ibm.com>
3180 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3181 * config/fp-bit.c: Likewise.
3183 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3185 * dominance.c: Add comment about why we use DFS numbering
3188 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3189 Richard Henderson <rth@redhat.com>
3191 Merge from gomp-branch:
3192 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3193 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3195 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3197 PR rtl-optimization/25578
3198 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3199 pass a parameter to simplify_shift_const if changing ASHIFTRT
3202 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3204 * builtins.c (get_builtin_sync_mem): New function.
3205 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3206 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3207 Call get_builtin_sync_mem to generate mem rtx.
3209 2006-01-03 Richard Guenther <rguenther@suse.de>
3212 * stmt.c (add_case_node): Make sure to clear overflow flags
3215 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3217 Merge from gomp-branch.
3218 * config/sparc/sync.md: New file.
3219 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3220 UNSPECV_LDSTUB): New constants.
3221 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3222 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3223 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3226 2006-01-03 Roger Sayle <roger@eyesopen.com>
3228 * combine.c (reg_subword_p): New predicate to test whether the
3229 destination of a set refers to a subword/piece of a register.
3230 (try_combine): Generalize the code to merge the setting of a
3231 pseudo to a constant followed by a set of a subword of that
3232 register to a constant.
3234 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3236 * basic-block.h (control_flow_graph): Change the type of
3237 x_label_to_block_map to VEC(basic_block,gc) *.
3238 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3239 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3241 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3242 VEC(basic_block,heap) *.
3243 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3244 ssa_prop_fini): Adjust the uses of cfg_blocks.
3246 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3248 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3250 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3251 hashing trees instead of a pointer hash.
3252 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3253 compare for MEM_EXPR.
3255 PR rtl-optimization/25130
3256 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3257 when comparing MEMs for GCSE
3259 2006-01-03 Ben Elliston <bje@au.ibm.com>
3261 * targhooks.h (default_decimal_float_supported_p): Declare.
3262 * targhooks.c (default_decimal_float_supported_p): Define.
3263 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3264 `default_decimal_float_supported_p'.
3265 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3267 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3269 * combine.c (apply_distributive_law <SUBREG>): Check
3270 TRULY_NOOP_TRUNCATION.
3272 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3274 * dwarf2out.c (have_switched_text_section): Delete.
3275 (have_multiple_function_sections): New.
3276 (have_location_lists): Make 'bool'.
3277 (add_AT_loc_list): Use 'true' not '1'.
3278 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3279 (output_loc_list): Use have_multiple_function_sections.
3280 (output_ranges): Likewise.
3281 (dwarf2out_begin_function): Set have_multiple_function_sections if
3283 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3284 Check function_section rather than DECL_SECTION_NAME.
3285 (dwarf2out_finish): Use have_multiple_function_sections.
3286 Don't clear have_location_lists.
3288 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3289 Jan Hubicka <jh@suse.cz>
3291 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3292 case of conditional jump jumping to the next instruction.
3293 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3294 cases of conditional jump jumping to the next instruction.
3296 2006-01-02 Jan Hubicka <jh@suse.cz>
3298 * i386.c (*_cost): Add COSTS_N_INSNS.
3299 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3301 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3304 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3306 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3308 * config/arm/arm.c (all_fpus): Fix comment typo.
3309 * config/darwin.c: Likewise.
3310 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3311 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3312 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3314 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3316 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3317 (rs6000_split_compare_and_swapqhi): New.
3318 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3319 (sync_compare_and_swapqhi_internal): New.
3320 * config/rs6000/rs6000-protos.h: Declare.
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