1 2006-01-28 Ian Lance Taylor <ian@airs.com>
3 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4 cgraph_output_pending_asms.
6 2006-01-28 Zack Weinberg <zackw@panix.com>
8 * c.opt: Add -W(no-)overlength-strings.
9 * doc/invoke.texi: Document it.
10 * c-opts.c (c_common_handle_option): -pedantic implies
11 -Woverlength-strings, if not explicitly disabled already.
12 (c_common_post_options): -Woverlength-strings defaults to off, and
13 is always off for C++.
14 * c-common.c (fix_string_type): Issue warning about strings longer
15 than is portable only if warn_overlength_strings. Rearrange code
17 * configure.in: Check for -Wno-overlength-strings as well before
18 enabling -pedantic in stage 1.
19 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
22 * genconditions.c (write_header, write_one_condition)
23 (write_conditions, write_writer): Consolidate very long strings
24 that were broken up to fit in C89 portable limit. Don't use
25 printf when fputs will do.
27 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
29 * combine.c (simplify_comparison <AND>): Check
30 TRULY_NOOP_TRUNCATION before start using a subreg.
32 * config/mips/mips.md (*branch_zero<mode>,
33 *branch_zero<mode>_inverted, *branch_equality<mode>,
34 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
35 Remove mode check from comparisons.
37 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
39 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
41 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
43 * expmed.c (const_mult_add_overflow_p): Remove.
44 * expr.h: Remove the prototype for const_mult_add_overflow_p.
46 * recog.c (validate_replace_rtx_subexp): Remove.
47 * recog.h: Remove the prototype for
48 validate_replace_rtx_subexp.
50 * integrate.h: Remove the prototype for
51 copy_decl_for_inlining.
52 * rtl.h: Remove the prototype for mark_constant_function.
53 * tree-vectorizer.h: Remove the prototype for
54 vect_strip_conversion.
56 * modulo-sched.c (create_partial_schedule,
57 free_partial_schedule, reset_partial_schedule): Make them
60 * hooks.c (hook_bool_rtx_int_false): Remove.
61 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
63 2006-01-28 David Edelsohn <edelsohn@gnu.org>
65 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
66 and -mlong-double-128 are incompatible.
67 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
68 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
69 (TARGET_LIBGCC2_CFLAGS): Define.
70 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
71 (TARGET_LIBGCC2_CFLAGS): Same.
72 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
74 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
77 * c-typeck.c (build_binary_op): Perform implicit casts of
78 operands before shortening them.
80 * cfgloopmanip.c (split_loop_bb): Remove.
81 * cfgloop.h: Remove the prototype for split_loop_bb.
83 * cfgloop.c (flow_loop_outside_edge_p): Remove.
84 * cfgloop.h: Remove the prototype for
85 flow_loop_outside_edge_p.
87 * emit-rtl.c (init_virtual_regs): Make it static.
88 * function.h: Remove the prototype for init_virtual_regs.
90 * recog.c (peephole2_optimize): Make it static.
91 * recog.h: Remove the prototype for peephole2_optimize.
93 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
95 * df-scan.c (df_record_entry_block_defs): Check if
96 INCOMING_RETURN_ADDR_RTX is defined.
98 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
99 Kenneth Zadeck <zadeck@naturalbridge.com>
101 PR rtl-optimization/24762
102 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
103 * targhooks.c (hook_void_bitmap): New hook prototype.
104 * targhoohs.h (hook_void_bitmap): Ditto.
105 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
106 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
107 * target.h (live_on_entry): New function pointer.
108 * df-scan.c (df_all_hard_regs): Removed.
109 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
110 (df_scan_free_internal): Added df->entry_block_defs.
111 (df_scan_alloc): Ditto.
112 (df_scan_dump): Ditto.
113 (df_uses_record): Plumbed flag field properly thru calls.
114 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
115 This part fixes PR24762.
116 (df_bb_refs_record): Added code to make the frame and arg
117 pointers live in EH blocks.
118 (df_refs_record): Added call to df_record_entry_block_defs.
119 (df_record_entry_block_defs): New function.
120 * df-core.c: Added comments to describe new artifical defs.
121 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
122 (entry_block_defs): New field in struct df.
123 (df_all_hard_regs): Deleted.
124 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
125 * df-problems.c (df_ru_bb_local_compute_process_def):
126 Added code to handle artifical defs in the entry to a function.
127 (df_ru_bb_local_compute): Ditto.
128 (df_rd_bb_local_compute_process_def): Ditto.
129 (df_rd_bb_local_compute): Ditto.
130 (df_lr_bb_local_compute): Ditto.
131 (df_ur_bb_local_compute): Ditto.
132 (df_urec_bb_local_compute): Ditto.
133 (df_chain_create_bb): Ditto.
134 (df_ur_local_finalize): Removed entry.
135 (df_urec_init): Ditto.
136 (df_urec_local_finalize): Ditto.
137 (df_ri_bb_compute): Added detection of last use of pseudos.
138 * Makefile.in (df-scan.o): Updated dependencies.
139 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
140 * config/mips/mips.c (mips_set_live_on_entry): Added.
141 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
143 * dce.c (marked_insn_p): Added code to handle artifical defs.
145 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
147 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
149 (_mm_cvtsi128_si64): Likewise.
150 (_mm_cvtsd_si64): Likewise.
151 (_mm_cvttsd_si64): Likewise.
152 (_mm_cvtsi64_sd): Likewise.
153 (_mm_cvtsi64_si128): Likewise.
154 * config/i386/mmintrin.h (_m_from_int64): Likewise.
155 (_mm_cvtsi64_m64): Likewise.
156 (_m_to_int64): Likewise.
157 (_mm_cvtm64_si64): Likewise.
158 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
159 (_mm_cvttss_si64): Likewise.
160 (_mm_cvtsi64_ss): Likewise.
161 (_mm_cvtss_f32): Likewise.
163 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
165 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
166 for pragma redefine_extname.
168 2006-01-27 Jakub Jelinek <jakub@redhat.com>
171 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
172 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
173 -mno-minimal-toc to previous content.
174 (bispecs): Remove goal.
175 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
176 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
177 compatibility aliases on powerpc-*-*gnu*.
178 * config/rs6000/libgcc-ppc-glibc.ver: New file.
179 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
180 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
181 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
182 (ldblspecs): New goal.
183 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
184 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
186 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
187 L_sf_to_tf or L_df_to_tf is defined.
189 2006-01-27 David Edelsohn <edelsohn@gnu.org>
190 Alan Modra <amodra@bigpond.net.au>
193 * config/rs6000/linux.h (POWERPC_LINUX): Define.
194 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
195 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
196 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
197 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
198 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
199 (rs6000_override_options): Initialize rs6000_ieeequad.
200 Initialize TFmode format to ibm_extended_format if not
202 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
204 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
205 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
206 (function_arg_advance): IBM long double passed in two FPRs, not
208 (function_arg): IBM long double passed in FPRs.
209 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
210 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
211 Only multireg GPR aligned.
212 (rs6000_init_libfuncs): Enable IBM long double functions if not
214 (rs6000_generate_compare): Use IBM long double compare if not
216 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
217 (TARGET_IEEEQUAD): Define.
218 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
220 * config/rs6000/rs6000.md: Enable TFmode patterns if
222 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
223 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
224 and -mlong-double-128 are incompatible.
225 * doc/invoke.texi (-mabi): Collect options together. Add
226 ibmlongdouble and ieeelongdouble.
228 2006-01-27 Richard Sandiford <richard@codesourcery.com>
230 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
232 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
233 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
234 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
235 * rtl.h (rtunion_def): Remove rt_ptr.
237 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
238 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
239 * config/i386/winnt.c (i386_pe_mark_dllexport)
240 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
242 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
244 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
246 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
250 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
251 pthread_key_delete. From John David Anglin. gthrw-ify
252 pthread_getunique_np only if it it's not a macro. Delete
254 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
255 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
256 __gthread_objc_condition_signal, __gthread_key_delete): Add
257 "__attribute__ ((__unused__))" to unused arguments.
258 (__gthread_recursive_mutex_init_function): Add missing return.
259 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
260 gthr-posix95.h: Use macro-based approach for name redirection
261 on targets missing weakref.
263 2006-01-26 Zack Weinberg <zackw@panix.com>
265 * genconditions.c (write_header): In generated code, #ifdef out
266 all includes and fake declarations, except includes of bconfig.h
267 and system.h, unless GCC_VERSION >= 3001. Do not include
268 gensupport.h in any case.
269 (write_conditions): Generate a definition of struct c_test. Add
270 a comment to the generated #endif.
271 (write_one_condition): Escape backslashes in string too.
272 (write_writer): Generated code must escape backslashes and quote
273 marks (but not newlines) in the strings it writes.
274 * Makefile.in (build/gencondmd.o): Update dependencies.
276 2006-01-26 Steve Ellcey <sje@cup.hp.com>
279 * Makefile.in (insn-automata.o): Add header file dependencies.
280 * genautomata.c: Add includes.
282 2006-01-26 Steve Ellcey <sje@cup.hp.com>
285 * Makefile.in (insn-automata.o): Add -Wno-error flag.
287 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
289 * configure.ac: Expect target tools paths to be passed from the toplevel
290 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
292 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
294 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
297 * c.opt (Wpointer-sign): Init to -1.
298 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
299 OPT_pedantic, to 0 otherwise.
300 * doc/invoke.texi: Update.
302 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
304 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
305 constants provided by 80387 instructions in the destination mode.
307 2006-01-26 Richard Guenther <rguenther@suse.de>
308 Andrew Pinski <pinskia@physics.uc.edu>
311 partial PR tree-opt/17064
312 * tree-ssa-structalias.c (intra_create_variable_infos):
313 Create heap variables for incoming parameters if
314 flag_argument_noalias > 1.
315 (find_what_p_points_to): Look through default defs of
318 2006-01-26 Jeff Law <law@redhat.com>
321 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
322 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
323 within the VR_RANGE, use the VR_RANGE as the result, not the
325 (adjust_range_with_scev): Reject ranges from SCEV which are out
326 of bounds for the type.
328 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
330 * tree-ssa-alias.c (maybe_create_global_var): Change
331 subvar walking to an assertion that we don't have subvar'd variables.
333 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
336 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
337 Use a new variable, inner. PARM_DECLs are always non-weak.
339 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
341 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
344 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
346 * config/mips/mips.md (*clear_upper32): New combiner pattern.
348 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
350 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
351 (smax_insn, smin_insn, smax_0, smin_0): New.
353 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
356 * config/cris/cris.c (cris_order_for_addsi3): New function.
357 * config/cris/cris-protos.h: Prototype it.
358 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
359 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
360 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
361 (split for "op.S1 [rx=rx+i],ry (swapped)")
362 (split for "op(s|u).S1 [rx=rx+i],ry")
363 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
364 Apply cris_order_for_addsi3 when generating addsi3 insns.
366 2006-01-25 Diego Novillo <dnovillo@redhat.com>
368 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
369 (TREE_BLOCK): Add call to EXPR_CHECK.
371 2006-01-25 Diego Novillo <dnovillo@redhat.com>
374 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
375 * tree-pretty-print.c (dump_omp_clause): Extract from ...
376 (dump_omp_clauses): ... here.
377 (dump_generic_node): Handle OMP_CLAUSE.
378 * tree.c (omp_clause_num_ops): New.
379 (omp_clause_code_name): New.
380 (tree_code_size): Handle OMP_CLAUSE.
381 (tree_size): Likewise.
382 (make_node): Document handling of OMP_CLAUSE.
383 (tree_node_structure): Handle OMP_CLAUSE.
384 (omp_clause_check_failed): New.
385 (omp_clause_range_check_failed): New.
386 (omp_clause_operand_check_failed): New.
387 (build_omp_clause): New.
388 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
389 * tree.h (enum omp_clause_code): Declare.
390 (OMP_CLAUSE_SUBCODE_CHECK): Define.
391 (OMP_CLAUSE_RANGE_CHECK): Define.
392 (OMP_CLAUSE_ELT_CHECK): Define.
393 (omp_clause_check_failed): Declare.
394 (omp_clause_operand_check_failed): Declare.
395 (omp_clause_range_check_failed): Declare.
396 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
397 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
398 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
399 (OMP_CLAUSE_LASTPRIVATE): Likewise.
400 (OMP_CLAUSE_IF_EXPR): Likewise.
401 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
402 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
403 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
404 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
405 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
406 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
407 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
408 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
409 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
410 (OMP_CLAUSE_CODE): Define.
411 (OMP_CLAUSE_SET_CODE): Define.
412 (OMP_CLAUSE_CODE): Define.
413 (OMP_CLAUSE_OPERAND): Define.
414 (struct tree_omp_clause): Declare.
415 (union tree_node): Add field 'omp_clause'.
416 * treestruct.def (TS_OMP_CLAUSE): Define.
417 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
418 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
419 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
420 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
421 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
422 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
423 (OMP_CLAUSE): Define.
424 * print-tree.c (print_node): Handle OMP_CLAUSE.
425 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
426 * c-typeck.c: Likewise.
427 * gimplify.c: Likewise.
429 * tree-nested.c: Likewise.
430 * tree-inline.c: Likewise.
431 * c-parser.c: Likewise.
432 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
435 2006-01-25 Roger Sayle <roger@eyesopen.com>
437 PR rtl-optimization/25703
438 * combine.c (try_combine): Handle zero_extract and strict_low_part
439 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
441 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
443 * global.c: Fix comment typos.
445 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
448 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
449 Use output_addr_const instead of assemble_name.
451 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
453 * Makefile.in (sched-vis.o): Update dependencies.
454 * haifa-sched.c (sched_finish): Clear current_sched_info.
455 * cfg.c (dump_bb_info): New, split from dump_flow_info.
456 (dump_flow_info): Call it.
457 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
459 * basic-block.h (dump_bb_info): Declare.
460 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
461 option, and apply options only for dump files whose TDF_RTL,
462 TDF_TREE, or TDF_IPA bits match.
463 * rtl.h: Declare new functions exported from sched-vis.c.
464 * sched-vis.c: Enable also if scheduling is not used.
465 (print_value): Print the mode of registers if not inside scheduling.
466 (print_insn): Make it work outside the scheduler. Beautify the output
468 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
470 2006-01-25 Richard Sandiford <richard@codesourcery.com>
472 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
473 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
474 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
475 depending on the value of CONSTANT_POOL_ADDRESS_P.
476 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
478 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
479 rather than SYMBOL_REF_DECL.
480 (rtx_constant_pool): Remove const_rtx_sym_htab.
481 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
482 (init_varasm_status): Don't initialize const_rtx_sym_htab.
483 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
484 Remove handling of const_rtx_sym_htab.
485 (find_pool_constant): Delete.
486 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
487 rather than find_pool_constant.
488 (get_pool_constant_for_function): Delete.
489 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
491 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
492 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
493 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
494 (SYMBOL_REF_CONSTANT): New macro.
495 (get_pool_constant_for_function): Delete.
496 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
497 rather than SYMBOL_REF_DECL.
498 (i386_pe_mark_dllimport): Likewise.
499 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
500 rather than SYMBOL_REF_DECL.
501 * config/darwin.c (machopic_indirect_data_reference): Likewise.
502 (machopic_indirect_call_target): Likewise.
504 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
506 * flow.c (delete_noop_moves): Add missing EOL to dump message.
508 2006-01-25 Richard Sandiford <richard@codesourcery.com>
510 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
512 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
514 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
516 2006-01-24 David Daney <ddaney@avtrex.com>
519 * configure.ac (enable_tls): New enable option.
520 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
521 * configure: Regenerate.
522 * doc/install.texi (--enable-tls): Document new option.
523 (--disable-tls): Ditto.
525 2006-01-24 Richard Henderson <rth@redehat.com>
527 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
528 * alias.c (true_dependence): Respect it.
529 (canon_true_dependence, write_dependence_p): Likewise.
530 * builtins.c (get_builtin_sync_mem): Set it.
532 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
534 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
537 2006-01-24 DJ Delorie <dj@redhat.com>
539 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
540 for storing constants in single-bit bitfields.
542 2006-01-25 Ben Elliston <bje@au.ibm.com>
544 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
546 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
549 * tree-ssa-pre.c (phi_translate): Return NULL
550 for AGGREGATE_TYPE's.
552 2006-01-24 Zack Weinberg <zackw@panix.com>
554 * genautomata.c (process_state_for_insn_equiv_partition):
555 Use xcalloc for insn_arcs_array.
556 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
557 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
559 2006-01-24 Richard Henderson <rth@redhat.com>
561 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
564 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
566 PR rtl-optimization/25890
567 PR rtl-optimization/25905
568 * combine.c (expand_compound_operation, expand_field_assignment):
569 Fail if the bitfield's final position is out of bounds.
571 2006-01-24 Ian Lance Taylor <ian@airs.com>
574 * cgraphunit.c (cgraph_output_in_order): Don't clear
575 cgraph_asm_nodes until after asm strings have been output.
577 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
579 * fix-header.c (read_scan_file): Add new parameter imultilib when
580 calling register_include_chains.
582 2006-01-23 Diego Novillo <dnovillo@redhat.com>
584 * omp-low.c: Update documentation.
586 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
587 Daniel Berlin <dberlin@dberlin.org>
591 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
592 return from the function.
594 2006-01-22 Zack Weinberg <zackw@panix.com>
596 * rtl.def (match_code): Add second argument.
597 * genpreds.c (write_extract_subexp): New function.
598 (write_match_code): Add path argument. Use write_extract_subexp.
599 (write_predicate_expr): Pass path to write_match_code.
600 (mark_mode_tests): MATCH_CODE applied to a subexpression does
601 not perform a mode test.
602 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
603 a subexpression does not constrain the top-level code set.
604 * read-rtl.c (read_rtx_variadic): New function.
605 (read_rtx_1): Use it; allow AND and IOR to be variadic.
606 * doc/md.texi: Document new notation.
607 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
608 (cmpsi_operand): ... here, using new notation.
610 2006-01-22 Zack Weinberg <zackw@panix.com>
612 * varray.c: Remove GENERATOR_FILE #ifdefs.
614 2006-01-22 Zack Weinberg <zackw@panix.com>
616 * genautomata.c (output_reserved_units_table): Emit nothing if
617 description->query_units_num is zero. Remove extra blank line.
618 (output_cpu_unit_reservation_p): Short circuit
619 if description->query_units_num is zero.
621 2006-01-22 Zack Weinberg <zackw@panix.com>
623 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
624 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
625 nor any of the random handful of variables that used to be necessary
626 when this program was linked with rtlanal.o. Prune set of forward
627 function declarations.
628 (struct attr_desc): Remove static_p field.
629 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
630 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
631 (attr_string): Do not read the character one past the length of
633 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
634 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
635 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
636 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
637 (make_automaton_attrs): New.
638 (main): Do not call into genautomata. Call local gen_bypass
639 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
640 Remove special case for insn_alts.
641 * genautomata.c: Include gensupport.h; not genattrtab.h nor
642 varray.h (leftover from previous change). Prune set of forward
643 function declarations. Remove state_alts fields from all
644 structures. Remove state_alts_table from struct automaton.
645 Make everything except main static. Do not maintain num_dfa_decls.
646 Do not maintain state_alts fields of various structures.
647 (process_decls): Don't validate condexp for dm_insn_reserv decls.
648 (add_arc): Remove state_alts argument. All callers updated.
649 (output_reserved_units_table): Emit #ifdef here...
650 (output_tables): ...not here. Don't generate state_alts tables.
651 (expand_automata): Don't generate attributes.
652 (write_automata): Don't generate state_alts functions.
653 (main): New function.
654 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
655 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
656 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
657 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
658 (BYPASS_P_FUNC_NAME, output_state_alts_table)
659 (output_automata_list_state_alts_code, output_internal_state_alts_func)
660 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
661 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
663 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
664 * genattrtab.h: Delete file.
665 * Makefile.in (OBJS-common): Add insn-automata.o.
666 (insn-automata.o): New rule.
667 (simple_generated_c): Add insn-automata.c.
668 (build/genattrtab.o, build/genautomata.o): Update dependencies.
669 (genprogmd): Add automata.
670 (build/genattrtab): Needs no extra objects nor libraries.
671 (build/genautomata): Needs build/vec.o and -lm.
673 2006-01-22 Zack Weinberg <zackw@panix.com>
675 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
676 (output_dfa_max_issue_rate, locked_states_num): Delete.
677 (struct automaton): Add locked_states field.
678 (output_dead_lock_vect): Save number of locked states in
679 automaton->locked_states. If it is zero, don't print anything.
680 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
681 (output_internal_dead_lock_func): Only test the dead_lock_vect
682 for automata that have locked states.
683 (output_statistics): Always print the number of locked states for
684 each automaton. Calculate total number of locked states here.
685 (write_automata): Don't call output_dfa_max_issue_rate.
686 * genattrtab.c: Define length_unit_log as a const variable.
687 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
688 max_insn_queue_index const.
689 * final.c (length_unit_log): Declare const.
690 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
692 2006-01-22 Zack Weinberg <zackw@panix.com>
694 * genautomata.c: Include vec.h, not varray.h.
695 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
696 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
697 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
698 VEC_* macros operating on appropriately typed vectors, or to
699 malloced arrays when the size is known in advance. Const-ify
700 many char* variables and function arguments. No functional changes.
701 * Makefile.in (build/varray.o): Delete rule.
702 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
703 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
705 2006-01-22 Zack Weinberg <zackw@panix.com>
707 * gensupport.c: Define get_insn_name and record_insn_name here.
708 (read_md_rtx): Call record_insn_name as appropriate.
709 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
710 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
711 * genpreds.c, genrecog.c: Don't define get_insn_name nor
713 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
714 (BUILD_VARRAY): Delete.
715 (genprognormal): Rename genprogmd. Fold in all programs from
716 genprognoprint; also attrtab.
717 (build/genattrtab): Just mention genautomata.o and varray.o.
718 Reorganize a bit, add comments to make the categories clearer.
720 2006-01-22 Zack Weinberg <zackw@panix.com>
722 * genconditions.c (condition_table, add_condition): Delete.
723 (write_conditions): Don't emit n_insn_conditions nor
724 insn_elision_unavailable. Issue the gcc version #ifdef here,
725 inside the table, with no #else clause ...
726 (write_header): ...not here.
727 (write_writer): New function.
728 (main): Don't initialize condition_table. Use add_c_test.
730 * gensupport.c (init_md_reader_args_cb): Handle multiple input
731 files on the command line.
732 (maybe_eval_c_test): Don't check insn_elision_unavailable.
733 Return -1 if there is no entry in the table, don't abort.
734 (add_c_test, traverse_c_tests): New functions.
735 * gensupport.h (insn_elision_unavailable, insn_conditions)
736 (n_insn_conditions): Delete declarations.
737 (add_c_test, traverse_c_tests): Declare.
738 * read-rtl.c: Include gensupport.h.
739 (read_conditions): New function.
740 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
741 (read_rtx_1): If we get EOF when we were looking for an initial
742 open paren, return 0. Call read_conditions when appropriate.
743 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
744 dummy-conditions.o. Eliminate references to insn-conditions.o,
745 or change them to build/gencondmd.o, as appropriate. Remove
746 insn-constants.h from $(simple_generated_h) and insn-conditions.c
747 from $(simple_generated_c). For all files remaining in those
748 two lists, add insn-conditions.md to the generator command line.
749 Give insn-constants.h/s-constants their own rules. Add rules
750 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
751 (build/read-rtl.o): Depend on gensupport.h.
752 (genprognormal): Include preds.
753 (genprogearly): Rename genprognoprint; only difference is now that
754 they don't link with $(BUILD_PRINT).
755 * dummy-conditions.c: Delete.
757 2006-01-22 Zack Weinberg <zackw@panix.com>
759 * genextract.c: Don't include insn-config.h. Do include vec.h.
760 Declare vectors of int, char, and locstr.
761 (locstr): New typedef.
762 (struct extraction): Make all array fields into bare pointers.
763 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
764 (insn_code_number): Delete.
765 (accum_extract): New struct.
766 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
767 (gen_insn): Take insn_code_number as an argument. Use an
768 accum_extract structure instead of loading data directly into
769 a struct extraction, and having to know how big it might get.
770 (walk_rtx): Operate entirely on an accum_extract structure.
771 (print_path): Avoid unnecessary use of printf.
772 (print_header): New function, split out of main. Distinguish
773 more carefully between an unrecognizable insn and an insn that
774 has the code number of a define_expand.
775 (main): Pass insn_code_number to gen_insn. Call print_header
776 only after parsing. Avoid unnecessary use of printf.
777 * Makefile.in (build/vec.o): New rule.
778 (build/genextract): Depend on build/vec.o.
779 (build/genextract.o): Don't depend on insn-config.h.
781 2006-01-22 Zack Weinberg <zackw@panix.com>
783 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
784 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
785 practical. Eliminate per-generator-program link rules.
787 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
790 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
791 with a call expr to ...
792 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
794 2006-01-23 Richard Guenther <rguenther@suse.de>
796 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
797 before make_edge with conditional EDGE_TRUE_VALUE.
799 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
800 Jan Hubicka <jh@suse.cz>
801 Richard Guenther <rguenther@suse.de>
803 PR rtl-optimization/25654
804 * cfgexpand.c (aggregate_contains_union_type): New function.
805 (add_alias_set_conflicts): Call it. Make sure to add conflicts
806 for structure variables that contain a union type.
808 2006-01-23 Richard Sandiford <richard@codesourcery.com>
810 * gengtype.c (new_structure): Return the structure.
811 (create_option): Add an extra "next" argument.
812 (create_field): New function.
813 (adjust_field_rtx_def): Use create_option and create_field.
814 Remove a now-unnecessary call to find_structure.
815 (adjust_field_tree_def): Likewise.
816 (note_yacc_type): Remove an unnecessary call to find_structure.
817 * gengtype.h (new_structure): Return the structure.
818 (create_option): Add an extra argument.
819 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
820 (option): Adjust calls to create_option.
822 2006-01-22 David Edelsohn <edelsohn@gnu.org>
824 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
826 2006-01-22 Paul Brook <paul@codesourcery.com>
827 Peter Barada <peter@the-baradas.com>
829 * config/m68k/m68k.md: Add Coldfire FPU support.
830 Define FP mode macro and associated attributes.
831 Use it for float mode patterns.
832 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
833 (LIBCALL_VALUE): Use m68k_libcall_value.
834 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
835 (m68k_function_value): Ditto.
836 (emit_move_sequence): Ditto.
837 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
838 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
839 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
840 (MULTILIB_EXCEPTIONS): Ditto.
841 * config/m68k/m68k.opt: Add mcfv4e.
842 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
843 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
844 (m68k_output_function_prologue): Save ColdFire FPU registers.
845 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
846 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
847 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
848 ColdFire FPU registers.
849 (m68k_libcall_value, m68k_function_value): New functions.
850 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
851 (LIBCALL_VALUE): Use m68k_libcall_value.
852 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
853 (MASK_COLDFIRE): Add MASK_CFV4E.
854 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
855 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
856 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
857 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
858 (GO_IF_LEGITIMATE_ADDRESS): Use it.
859 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
860 * doc/invoke.tex: Document -mcfv4e on m68k.
862 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
864 * doc/contribute.texi: Change CVS to SVN and update the corresponding
867 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
870 * c-opts.c (c_common_handle_option): Don't include
871 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
872 * doc/invoke.texi (C++ Dialect Options): Document that
873 -Wnon-virtual-dtor is no longer included in -Wall.
875 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
877 * gcov.c (print_version), gcov-dump.c (print_version),
878 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
881 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
883 * df-scan.c (problem_SCAN): Added NULL reset function.
884 (df_scan_reset_blocks): Added code to call reset block function
885 (df_bb_refs_delete) Fixed comment.
886 (df_insn_refs_delete): Made tolerant of deleting non existent info
887 for dataflow problems that need to be reset.
888 * df-core.c (df_set_blocks): Ditto.
889 * df.h (struct df_problem): Added reset_fun.
890 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
891 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
892 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
893 functions to clear out all references to def-use or use-def chains.
895 2006-01-21 Ben Elliston <bje@au.ibm.com>
897 * varasm.c (assemble_real): Initialise data array.
899 2006-01-20 Paul Brook <paul@codesourcery.com>
901 Merge from csl-arm-branch.
902 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
903 * config/arm/arm.md (movdi): Force operands[1] to a register
904 if we have a non-register source.
905 (*arm_movdi, *movdf_soft_insn): Require that one of the
906 operands be a register.
907 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
908 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
910 2006-01-20 DJ Delorie <dj@redhat.com>
912 * varasm.c (initialize_constant_valid_p): Allow pointers
913 initialized from integer constants of lesser precision.
914 (output_constant): Allow non-int-sized pointer modes to be
915 initialized from integer constants.
917 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
920 * cppdefault.h (struct default_include): Add multilib flag.
921 * cppdefault.c (cpp_include_defaults): Set it.
922 * c.opt (-imultilib): New option.
923 * c-opts.c (imultilib): New.
924 (c_common_handle_option): Handle -imultilib.
925 (c_common_post_options): Likewise.
926 * c-incpath.c (add_standard_paths, register_include_chains):
928 * c-incpath.h (register_include_chains): Add extra parameter.
929 * gcc.c (do_spec_1): Generate -imultilib option.
930 (The Specs Language): Update %I description.
931 (process_command): Update copyright notice.
932 * doc/cppopts.texi (-imultilib): Document.
933 * doc/invoke.texi (-imultilib): Include in option summary.
934 (%I): Update specs documentation.
936 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
938 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
940 2006-01-20 Richard Sandiford <richard@codesourcery.com>
942 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
945 2006-01-20 Richard Guenther <rguenther@suse.de>
946 Steven Bosscher <stevenb.gcc@gmail.com>
948 PR rtl-optimization/24626
949 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
950 EDGE_TRUE_VALUE if in RTL mode.
953 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
954 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
956 2006-01-20 Dirk Mueller <dmueller@suse.com>
959 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
960 instead of a special NOP marker.
961 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
963 * c-common.h (empty_body_warning): Add forward declaration.
964 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
965 Now uses IS_EMPTY_STMT() instead of special NOP markers.
967 2006-01-20 Paul Brook <paul@codesourcery.com>
969 * Makefile.in (lang_checks): Keep going if mkdir fails.
971 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
973 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
974 be able to clean out basic block when not necessary.
975 (df_scan_free): Fixed to properly delete information if df is
976 unused before calling df_finish.
977 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
978 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
980 (df_bb_refs_delete): New function.
981 (df_refs_delete): Moved per block code to df_bb_refs_delete.
982 * df-core.c (df_set_blocks): Added code to properly clean out
983 unused blocks if they are not part of the blocks to consider.
984 Added additional null check.
985 (df_compact_blocks): Added basic block parameter to free_bb_fun to
986 be able to clean out basic block when not necessary
987 * df.h (df_free_bb_function): Ditto.
988 (df_bb_refs_delete): New function.
989 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
990 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
991 basic block parameter to be able to clean out basic block when not
993 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
994 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
995 Fixed to properly delete information if df is unused before
998 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1000 PR rtl-optimization/25799
1001 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1002 Corrected confluence operator to remove bits from op2 before oring
1003 with op1 rather than removing bits from op1.
1004 (df_ru_transfer_function): Corrected test on wrong bitmap which
1005 caused infinite loop. Both of these problems were introduced in
1006 the dataflow rewrite.
1008 2006-01-19 DJ Delorie <dj@redhat.com>
1010 * reload1.c (find_reload_regs): Note the details of reload
1011 failures in the dump file.
1012 (spill_failure): Likewise.
1014 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1016 * loop-iv.c: Include df.h and hashtab.h.
1017 (enum iv_grd_result): New enum.
1018 (DF_REF_IV, DF_REF_IV_SET): New macros.
1019 (struct biv_entry): New.
1020 (df, bivs): New global variables.
1021 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1022 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1024 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1025 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1026 analyzed_for_bivness_p, record_biv): New functions.
1027 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1028 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1029 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1031 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1033 (iv_number_of_iterations): Use new interface to iv analysis.
1034 * loop-unroll.c: Do not include varray.h.
1035 (analyze_iv_to_split_insn): Use new interface to iv
1037 * loop-unswitch.c (may_unswitch_on): Ditto.
1038 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1040 (df_bb_modify): Realloc tables to the new index.
1041 (df_find_use): New function.
1042 * df.h (df_find_use): Declare.
1043 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1045 * cfgloop.h (struct rtx_iv): Remove analysed field.
1046 (iv_get_reaching_def): Removed.
1047 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1048 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1049 (loop-iv.o): Add df.h and hashtab.h dependency.
1050 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1052 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1054 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1056 (__floatundisf, __floatundidf): Likewise.
1057 * libgcc2.h (IS_IBM_EXTENDED): Define.
1059 2006-01-19 DJ Delorie <dj@redhat.com>
1061 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1063 2006-01-19 Paul Brook <paul@codesourcery.com>
1065 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1066 as nothrow when unwinding tables are disabled.
1068 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1071 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1072 of bit-field" when in system header.
1074 2006-01-19 DJ Delorie <dj@redhat.com>
1076 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1077 the 16 bit shift limit of the m16c.
1079 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1082 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1083 * config/i386/i386.c (output_set_got): Output the label if we have one
1084 for the TARGET_DEEP_BRANCH_PREDICTION case.
1086 2006-01-19 Jan Hubicka <jh@suse.cz>
1087 H.J. Lu <hongjiu.lu@intel.com>
1088 Evandro Menezes <evandro.menezes@amd.com>
1090 * invoke.texi (generic): Document
1092 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1093 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1094 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1095 (x86_use_incdec, x86_pad_returns): New variables
1096 (TARGET_CPU_DEFAULT_generic): New constant
1097 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1098 (enum processor_type): Add generic32 and generic64.
1099 * i386.md (cpu attribute): Add generic32/generic64
1100 (movhi splitter): Behave sanely when both partial_reg_dependency and
1101 partial_reg_stall are set.
1102 (K8 splitters): Enable for generic as well.
1103 * predicates.md (incdec_operand): Use TARGET_INCDEC
1104 (aligned_operand): Avoid memory mismatch stalls.
1105 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1106 * ppro.md: Enable for generic32
1107 * i386.c (generic64_cost, generic32_cost): New.
1108 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1109 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1110 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1111 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1112 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1113 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1114 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1115 x86_accumulate_outgoing_args, x86_prologue_using_move,
1116 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1117 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1119 (x86_use_incdec, x86_pad_returns): New.
1120 (override_options): Add generic32 and generic64, translate "generic"
1121 to generic32/generic64 and "i686" to "generic32", refuse
1122 "generic32"/"generic64" as arch target.
1123 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1124 (ix86_reorg): Honor PAD_RETURNS.
1126 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1128 * tree-pretty-print.c (dump_generic_node): Handle
1129 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1130 * cgraph.c (cgraph_expand_queue): Rename from
1131 cgraph_analyze_queue. Update all users.
1132 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1133 cgraph_expand_queue.
1134 (cgraph_expand_all_functions): Likewise.
1135 (cgraph_finalize_pending_functions): Remove. Update callers.
1137 * tree.h (OMP_DIRECTIVE_P): Define.
1138 (OMP_PARALLEL_FN): Define.
1139 (OMP_PARALLEL_DATA_ARG): Define.
1140 (OMP_SECTIONS_SECTIONS): Define.
1141 * tree-pass.h (pass_expand_omp): Declare.
1142 * omp-low.c (struct omp_region): Declare.
1143 (struct omp_context): Remove fields 'parallel_type',
1144 'parallel_start_ix' and 'parallel_start_additional_args'.
1146 (struct omp_for_data): Rename from struct expand_omp_for_data.
1147 (omp_regions): New static variable.
1148 (root_omp_region): New static variable.
1149 (find_omp_clause): Make static.
1150 (is_in_combined_parallel_ctx): Remove.
1151 (is_combined_parallel): New.
1152 (extract_omp_for_data): Move earlier in the file.
1153 (workshare_safe_to_combine_p): New.
1154 (get_ws_args_for): New.
1155 (determine_parallel_type): Move earlier in the file.
1156 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1158 (omp_copy_decl): Likewise.
1159 (create_omp_child_function): Likewise.
1160 (lookup_omp_region): New.
1161 (dump_omp_region): New.
1162 (debug_omp_region): New.
1163 (debug_all_omp_regions): New.
1164 (new_omp_region): New.
1165 (scan_omp_parallel): If parallel_nesting_level > 1, the
1166 directive is nested within another parallel directive.
1167 Set OMP_PARALLEL_FN.
1168 (scan_omp_for): Do not try to handle combined parallel+for
1170 Remove FIXME comment.
1171 (scan_omp_nested): Remove.
1172 (scan_omp_1): Do not call scan_omp_nested when
1173 parallel_nesting_level is > 1.
1174 Do not change the DECL_CONTEXT of local variables found.
1175 (lookup_decl_in_outer_ctx): New.
1176 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1177 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1178 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1179 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1180 If CTX is nested, lookup VAR in the outer context when
1181 building copy assignment.
1182 (lower_send_clauses): Rename from expand_send_clauses.
1183 If CTX is nested, lookup VAR in the outer context when
1184 building copy assignments.
1185 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1186 If CTX is nested, lookup VAR in the outer context when
1187 building copy assignments.
1188 (expand_parallel_call): Rename from build_parallel_call.
1189 Handle combined parallel+workshare cases.
1190 Re-implement to emit code into the CFG.
1192 (expand_omp_parallel): Re-implement to emit code into the CFG.
1193 Call move_sese_region_to_fn to outline the sub-graph
1194 containing the parallel region.
1195 (expand_omp_for_1): Remove.
1196 (expand_omp_for_generic): Re-implement to emit code into the
1198 (expand_omp_for_static_nochunk): Likewise.
1199 (expand_omp_for_static_chunk): Likewise.
1200 (expand_omp_for): Likewise.
1201 (expand_omp_sections): Likewise.
1202 (remove_exit_barriers): New.
1203 (expand_omp_synch): New.
1205 (build_omp_regions_1): New.
1206 (build_omp_regions): New.
1207 (execute_expand_omp): New.
1208 (gate_expand_omp): New.
1209 (pass_expand_omp): Define.
1210 (lower_omp_sections): Rename from expand_omp_sections.
1211 Set OMP_SECTIONS_SECTIONS.
1212 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1213 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1214 (lower_omp_single): Rename from expand_omp_simple.
1215 (lower_omp_master): Rename from expand_omp_master.
1216 (lower_omp_ordered): Rename from expand_omp_ordered.
1217 (lower_omp_critical): Rename from expand_omp_critical.
1218 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1219 (lower_omp_for): Re-implement.
1220 (lower_omp_parallel): Re-implement.
1221 (lower_regimplify): Rename from expand_regimplify.
1222 (lower_omp_1): Rename from expand_omp_1.
1223 If there are syntax errors in the program, replace every
1224 OpenMP directive with NOP.
1225 Call lower_omp_* instead of expand_omp_*.
1226 (lower_omp): Rename from expand_omp.
1228 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1229 * tree-gimple.h (enum omp_parallel_type): Remove.
1230 (gimple_boolify): Declare extern.
1231 (find_omp_clause, determine_parallel_type): Remove.
1233 * gimple-low.c (lower_omp_directive): New.
1234 (lower_stmt): Call it.
1235 (record_vars_into): Move from ...
1236 (record_vars): ... here.
1237 Call record_vars_into with current_function_decl.
1239 * gimplify.c (struct gimplify_ctx): Remove fields
1240 combined_pre_p and combined_ctxp. Update users.
1241 (get_formal_tmp_var): Add documentation.
1242 (gimple_boolify): Make extern.
1243 (gimplify_expr_in_ctx): Remove. Update callers.
1244 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1245 will always be a BIND_EXPR.
1246 (gimplify_expr): Handle OMP_RETURN_EXPR.
1247 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1248 (OMP_PARALLEL): Add 3 operands.
1249 (OMP_SECTIONS): Add 1 operand.
1250 (OMP_RETURN_EXPR): Define.
1252 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1253 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1254 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1255 creating a circular free list.
1256 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1258 * tree-flow.h (move_sese_region_to_fn): Declare.
1259 (record_vars_into): Declare.
1260 * tree-cfg.c (make_omp_sections_edges): New.
1261 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1262 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1263 OMP_SECTIONS and OMP_SECTION.
1264 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1265 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1266 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1267 (gather_blocks_in_sese_region): New.
1268 (struct move_stmt_d): Declare.
1270 (move_block_to_fn): New.
1271 (move_sese_region_to_fn): New.
1273 * passes.c (init_optimization_passes): Schedule
1274 pass_expand_omp after pass_init_datastructures.
1276 * tree-ssa-operands.c (get_expr_operands): Handle
1277 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1278 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1280 2006-01-19 Jeff Law <law@redhat.com>
1282 * tree-vrp.c (extract_range_from_assert): Refine the result range
1283 if the variable referenced by the ASSERT_EXPR has a range and
1284 either the tentative result range or the previous range is a
1287 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1289 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1291 2006-01-19 Jan Hubicka <jh@suse.cz>
1293 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1295 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1297 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1298 (expand_compound_operation, expand_field_assignment): Fail if the
1299 bit lengths of an extract operation are out of range.
1300 (make_extraction): Compute wanted_inner_mode based on the position
1301 and length of the extraction. Make it extraction_mode for non-constant
1302 positions, and do not modify offset in that case. When generating a
1303 new MEM, use a mode that can hold the extraction while keeping correct
1304 alignment. Remove code that supported MEMs wrapped by USEs.
1305 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1307 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1309 * config/s390/s390.md ("Y", "y"): New mode attribute.
1310 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1311 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1312 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1313 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1314 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1315 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1316 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1317 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1318 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1319 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1320 "addsi3", "subsi3"): Insn patterns removed.
1321 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1322 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1323 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1324 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1325 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1326 "*sub<mode>3_cconly2"): New insn patterns.
1327 ("addsi3", "subsi3"): New expanders.
1329 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1331 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1332 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1333 existing STMT_VINFO_VECTYPE if available.
1334 (vect_mark_relevant): Add special handling for stmts that are
1335 marked as STMT_VINFO_IN_PATTERN_P.
1336 (vect_analyze_loop): Call vect_pattern_recog.
1337 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1338 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1340 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1341 (vect_recog_func_ptr): New function-pointer type.
1342 * tree-vect-patterns.c: New file.
1343 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1344 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1345 (vect_pattern_recog_1): New functions.
1346 (vect_pattern_recog_funcs): New array of function pointers.
1348 * tree-vectorizer.h (ternary_op): New enum value.
1349 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1350 declaration. Revised documentation. Removed redundant dump prints.
1351 Removed redundant argument. Added support for reduction patterns.
1352 (vectorizable_reduction): Added support for reduction patterns.
1353 (vect_transform_stmt): Added support for patterns.
1355 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1356 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1357 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1358 (expand_widen_pattern_expr): New function.
1359 (init_optabs): Initialize new optabs udot_prod_optab,
1361 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1362 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1363 (expand_widen_pattern_expr): New function declaration.
1364 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1366 * tree-inline.c (estimate_num_insns_1): Added cases for new
1367 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1368 * tree-pretty-print.c (dump_generic_node): Likewise.
1369 (op_prio): Likewise.
1370 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1371 * tree-ssa-operands.c (get_expr_operands): Added case for
1373 * tree-vect-patterns.c (widened_name_p): New function.
1374 (vect_recog_dot_prod_pattern): Added function implementation.
1375 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1376 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1377 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1378 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1380 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1381 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1382 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1383 (init_optabs): Initialize new optabs widen_ssum_optab,
1385 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1386 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1387 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1388 use instead of type of def.
1389 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1390 function implementation.
1391 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1392 widen_ssumv8hi): New.
1394 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1397 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1400 * c-decl.c (add_flexible_array_elts_to_size): New function.
1401 (finish_decl): Use it.
1403 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1405 * diagnostic.h: Include options.h.
1406 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1407 dependancies for diagnostic.h.
1408 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1410 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1412 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1413 (ssa_ro_call_cache_valid): Ditto.
1414 * tree-ssa-alias.c (sort_tags_by_id): New function.
1415 (init_transitive_clobber_worklist): Ditto.
1416 (add_to_worklist): Ditto.
1417 (mark_aliases_call_clobbered): Ditto.
1418 (compute_tag_properties): Ditto.
1419 (set_initial_properties): Ditto.
1420 (compute_call_clobbered): Ditto.
1421 (compute_may_aliases): Call compute_call_clobbered and grouping.
1422 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1423 (compute_flow_insensitive_aliasing): Grouping now happens in our
1425 (setup_pointers_and_addressables): Remove clobbering related code.
1426 (add_may_alias): Ditto.
1427 (replace_may_alias): Ditto.
1428 (get_nmt_for): Ditto.
1429 (create_global_var):
1430 (is_escape_site): Return an escape_type enumeration.
1431 * tree-flow-inline.h (is_call_clobbered): Global var does not
1432 imply call clobbered.
1433 (mark_call_clobbered): Take a reason for marking this. Remove
1434 marking of globalness, and cache invalidation.
1435 (clear_call_clobbered): Remove cache invalidation code.
1436 * tree-dfa.c (dump_variable): If details is on, dump the reason
1438 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1440 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1441 (struct var_ann_d): Ditto.
1442 (enum escape_type): New.
1443 (mark_call_clobbered): Adjust prototype.
1444 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1445 are never call clobbered.
1446 Record reasons for escaping.
1447 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1448 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1449 (ssa_ro_call_cache_valid): Ditto.
1450 (clobbered_v_may_defs): Ditto.
1451 (clobbered_vuses): Ditto.
1452 (ro_call_vuses): Ditto.
1453 (clobber_stats): New.
1454 (init_ssa_operands): Zero out clobber stats.
1455 (fini_ssa_operands): Print out clobber stats.
1456 (get_call_expr_operands): Pass callee fndecl to
1458 (add_call_clobber_ops): Remove use of cache.
1459 Add use of PURE_CONST information.
1460 (add_call_read_ops): Remove use of cache.
1461 Add use of static not_read information.
1463 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1465 Introduce TLS descriptors for i386 and x86_64.
1466 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1467 (TARGET_ANY_GNU_TLS): New macro.
1468 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1469 (struct machine_function): Add tls_descriptor_call_expanded_p.
1470 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1471 (ix86_current_function_calls_tls_descriptor): Likewise.
1472 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1473 (override_options): Introduce gnu2 tls dialect.
1474 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1476 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1478 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1479 (ix86_init_machine_status): Initialize new field.
1480 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1481 (ix86_tls_module_base): New.
1482 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1483 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1484 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1485 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1486 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1487 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1488 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1489 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1490 * config/i386/predicates.md (tls_modbase_operand): New.
1491 (tp_or_register_operand): New.
1493 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1495 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1496 (look_for_address_of): Ditto.
1497 (ipa_init): Walk the function decls.
1498 (static_execute): Don't set readonly on FUNCTION_DECL's.
1500 2006-01-18 Roger Sayle <roger@eyesopen.com>
1502 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1503 for shifts where the source and destination registers are different.
1505 2006-01-18 Paul Brook <paul@codesourcery.com>
1507 Merge from csl-arm-branch.
1508 2005-03-14 Julian Brown <julian@codesourcery.com>
1509 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1510 (aeabi_llsl): Likewise.
1511 (ashrdi3): Likewise.
1512 (aeabi_lasr): Likewise.
1513 (lshrdi3): Likewise.
1514 (aeabi_llsr): Likewise.
1515 2005-03-10 Julian Brown <julian@codesourcery.com>
1516 * config.gcc: Disable shared libgcc for SymbianOS.
1517 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1519 2006-01-18 DJ Delorie <dj@redhat.com>
1521 * c-pragma.c (handle_pragma_diagnostic): New.
1522 (init_pragma): Register it.
1523 * doc/extend.texi: Document it.
1525 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1526 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1527 (diagnostic_context): Add classify_diagnostic[].
1528 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1529 as errors if they're overridden to DK_WARNING.
1530 (diagnostic_initialize): Initialize classify_diagnostic[].
1531 (diagnostic_set_kind_override): New.
1532 (diagnostic_report_diagnostic): Check for kind changes.
1533 * opts.c (common_handle_option): Take lang_mask. Update callers.
1535 * common.opt (Werror=): New.
1536 * doc/invoke.texi: Document -Werror=*
1538 2006-01-18 Jeff Law <law@redhat.com>
1540 * tree-vrp.c (test_for_singularity): Correct test for new
1541 min limit. Use operand_equal_p rather than pointer equality
1542 for testing if new min/max values are equal.
1544 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1545 using range information until after propagation and folding.
1547 2006-01-18 Richard Henderson <rth@redhat.com>
1548 Aldy Hernandez <aldyh@redhat.com>
1549 Jakub Jelinek <jakub@redhat.com>
1550 Diego Novillo <dnovillo@redhat.com>
1552 * omp-low.c: New file.
1553 * c-omp.c: New file.
1555 2006-01-18 Richard Henderson <rth@redhat.com>
1556 Jakub Jelinek <jakub@redhat.com>
1557 Diego Novillo <dnovillo@redhat.com>
1559 * doc/invoke.texi: Document -fopenmp.
1560 * tree-dump.h (debug_function): Declare.
1561 * hooks.c (hook_bool_tree_bool_false): New function.
1562 (hook_tree_tree_null): Remove.
1563 (hook_tree_tree_tree_null): New.
1564 * hooks.h: Update to match.
1565 * tree-pretty-print.c (debug_tree_chain): New.
1566 (print_generic_expr): Handle TDF_CHAIN.
1567 (dump_generic_node): Handle BLOCK.
1568 Do not abort with incomplete SWITCH_EXPRs.
1569 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1570 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1571 print space after directive name.
1572 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1573 Handle OMP_MASTER and OMP_ORDERED.
1574 Handle printing of OMP_BODY just in one place, goto
1575 dump_omp_body in the rest of OMP_* nodes that have
1577 Don't handle clause nodes here. Update omp statements to
1578 use dump_omp_clauses.
1579 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1580 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1581 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1582 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1583 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1584 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1585 Adjust output for GOMP_PARALLEL.
1586 (dump_omp_clauses): New.
1587 (print_declaration): Dump DECL_VALUE_EXPR.
1588 (op_symbol_1): Split out of op_symbol.
1589 (dumping_stmts): Remove. Update all users.
1590 * cgraph.c (cgraph_analyze_queue): New.
1591 (cgraph_add_new_function): New.
1592 * cgraph.h (cgraph_analyze_queue): Declare.
1593 (cgraph_add_new_function): Declare.
1594 (cgraph_lower_function): Remove.
1595 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1596 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1597 and TYPE_P nodes in its default clause.
1598 (empty_body_p): New.
1599 (tree_range_check_failed): New.
1601 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1602 OMP_CLAUSE_REDUCTION_MERGE,
1603 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1604 OMP_CLAUSE_PRIVATE_DEBUG,
1605 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1606 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1607 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1608 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1609 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1610 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1611 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1612 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1613 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1614 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1615 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1616 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1617 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1618 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1619 (TREE_RANGE_CHECK): New.
1620 (empty_body_p): Declare.
1621 (enum omp_clause_default_kind): New.
1622 (build_string_literal): Declare.
1623 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1624 (build5_stat, build5): Declare.
1625 * tree-pass.h (TDF_CHAIN): Define.
1626 * tree-pass.h (PROP_gimple_lomp): Define.
1627 (pass_lower_omp): Declare.
1628 * diagnostic.h (debug_tree_chain): Declare.
1629 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1631 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1632 * builtins.c (build_string_literal): Make extern.
1633 * gcc.c (include_spec_function): New.
1634 (static_spec_functions): Add it.
1635 (main): Move load of libgomp.spec ...
1636 (LINK_COMMAND_SPEC): ... here.
1637 (link_gomp_spec): New.
1638 (static_specs): Include it.
1639 (LINK_COMMAND_SPEC): Add link_gomp.
1640 (GOMP_SELF_SPECS): New.
1641 (driver_self_specs): Include it.
1642 (switch_matches): Don't mark inline.
1643 (main): Load libgomp.spec.
1644 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1645 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1646 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1647 * tree-gimple.h (enum omp_parallel): Declare.
1648 (determine_parallel_type): Declare.
1649 (omp_firstprivatize_variable): Declare.
1650 (omp_reduction_init): Declare.
1651 (diagnose_omp_structured_block_errors): Declare.
1652 (struct walk_stmt_info): Add want_return_expr.
1653 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1654 (find_omp_clause): Declare.
1655 (insert_field_into_struct): Declare.
1656 (struct walk_stmt_info): Move from tree-nested.c
1657 (walk_stmts): Declare.
1658 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1660 * cgraphunit.c (cgraph_lower_function): Make static.
1661 (cgraph_finalize_pending_functions): New.
1662 (cgraph_finalize_function): Call it.
1663 (cgraph_finalize_compilation_unit): Likewise.
1664 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1665 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1666 (BT_FN_UINT_UINT): New.
1667 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1668 DEF_FUNCTION_TYPE_VAR_4): Document.
1669 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1670 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1671 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1672 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1673 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1674 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1675 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1676 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1677 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1678 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1679 into separate files.
1680 (DEF_GOMP_BUILTIN): New.
1681 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1682 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1683 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1684 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1685 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1686 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1687 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1688 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1689 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1690 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1691 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1692 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1693 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1694 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1695 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1696 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1697 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1698 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1699 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1700 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1701 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1702 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1703 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1704 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1705 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1706 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1707 * sync-builtins.def: New file, moved from builtins.def.
1708 * omp-builtins.def: New file, moved from builtins.def.
1709 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1710 * gimple-low.c (lower_function_body): Clear data.
1711 (lower_stmt): Do not handle COMPOUND_EXPR.
1712 Remove call to print_node_brief.
1713 * c-tree.h (c_finish_omp_clauses): New prototype.
1714 (C_DECL_THREADPRIVATE_P): Define.
1715 (lookup_name_no_remap, c_omp_remap_private): Remove
1716 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1717 (check_for_loop_decls): Update decl.
1718 (lookup_name_no_remap, c_omp_remap_private): Declare.
1719 (build_indirect_ref, build_modify_expr, pushdecl,
1720 pushdecl_top_level): Move to c-common.h.
1721 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1722 before the switch, but just in the 2 places that need it.
1723 * c-decl.c (diagnose_mismatched_decls): Do not check for
1724 mismatched thread-local attributes when OLDDECL is marked
1725 threadprivate and NEWDECL has no thread-local attributes.
1726 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1727 (c_gimple_diagnostics_recursively): Rename from
1728 c_warn_unused_result_recursively. Invoke
1729 diagnose_omp_structured_block_errors.
1730 (check_for_loop_decls): Return a singular decl found.
1731 * langhooks.c (lhd_omp_predetermined_sharing): Return
1732 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1733 (lhd_omp_firstprivatize_type_sizes): New.
1734 (lhd_omp_assignment): New.
1735 (lhd_omp_predetermined_sharing): New.
1736 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1737 (struct lang_hooks_for_types): Add
1738 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1739 omp_predetermined_sharing, omp_disregard_value_expr,
1740 omp_private_debug_clause, omp_clause_default_ctor,
1741 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1742 (c_finish_omp_clauses): New.
1743 (c_finish_bc_stmt): Diagnose break within omp for.
1744 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1745 (build_unary_op): Return error_mark after reporting
1747 (build_modify_expr): Likewise.
1748 * gimplify.c: Include optabs.h and pointer-set.h.
1749 (enum gimplify_omp_var_data): Declare.
1750 (struct gimplify_omp_ctx): Declare.
1751 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1753 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1754 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1755 (splay_tree_compare_decl_uid): New.
1756 (new_omp_context): New.
1757 (delete_omp_context): New.
1758 (gimple_add_tmp_var): Call omp_add_variable.
1759 (gimplify_bind_expr): Likewise.
1760 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1761 true, disregard DECL_VALUE_EXPR on the decl if any.
1762 (gimplify_expr_in_ctx): New.
1763 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1764 omp_add_variable, omp_notice_variable, omp_is_private
1765 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1766 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1767 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1768 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1769 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1770 gimplify_omp_atomic): New.
1771 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1772 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1773 OMP_CRITICAL and OMP_ATOMIC.
1774 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1775 * c-pragma.h (enum pragma_kind): Add
1776 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1777 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1778 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1779 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1780 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1781 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1782 PRAGMA_OMP_THREADPRIVATE.
1783 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1784 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1785 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1786 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1787 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1788 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1789 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1790 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1791 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1792 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1793 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1794 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1795 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1797 (struct nesting_info): Add field_map,
1798 suppress_expansion, debug_var_chain.
1799 (create_nesting_tree): Initialize them.
1800 (lookup_field_for_decl): Use field_map.
1801 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1802 (convert_local_omp_clauses): New.
1803 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1804 (walk_body): Split out of walk_function.
1805 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1806 (convert_nonlocal_reference): Handle omp statements.
1807 (convert_local_reference): Likewise.
1808 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1809 (unnest_nesting_tree): New.
1810 (lower_nested_functions): Call it.
1811 (insert_field_into_struct): Make extern.
1812 (struct walk_stmt_info): Move to tree-gimple.h.
1813 (walk_stmts): Make extern.
1814 * omp-builtins.def: New file.
1815 * tree-iterator.c (expr_only): Clarify comment.
1816 * c-common.h (pushdecl_top_level, pushdecl,
1817 build_modify_expr, build_indirect_ref,
1818 c_finish_omp_master, c_finish_omp_critical,
1819 c_finish_omp_ordered, c_finish_omp_barrier,
1820 c_finish_omp_atomic, c_finish_omp_flush,
1821 c_finish_omp_for, c_split_parallel_clauses,
1822 omp_clause_default_kind, c_omp_sharing_predetermined,
1823 c_omp_remap_decl): Declare.
1824 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1825 (OBJS-common): Add omp-low.o.
1826 (c-omp.o, omp-low.o): Add.
1827 (gimplify.o): Add dependency on $(OPTABS_H).
1828 (GTFILES): Add omp-low.c.
1829 (gt-stringpool.h): Add.
1830 * tree-cfg.c (set_bb_for_stmt): Do not update the
1831 block-to-labels map if we are currently expanding to RTL.
1832 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1834 Handle IDENTIFIER_NODE.
1835 (tree_verify_flow_info): Do not ICE when emitting error
1836 messages about invalid labels.
1837 (dump_function_to_file): Reset CFUN before emitting the body
1839 (debug_function): New.
1840 * passes.c (init_optimization_passes): Schedule
1842 * langhooks-def.h (lhd_omp_predetermined_sharing,
1843 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1845 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1846 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1847 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1848 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1849 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1850 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1851 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1852 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1853 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1854 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1855 (LANG_HOOK_DECLS): Use them.
1857 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1858 Richard Henderson <rth@redhat.com>
1859 Jakub Jelinek <jakub@redhat.com>
1860 Diego Novillo <dnovillo@redhat.com>
1862 * c-parser.c (pragma_omp_clause): Define.
1863 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1864 (c_parser_compound_statement): Likewise.
1865 (c_parser_statement): Likewise.
1866 (c_parser_pragma): Handle omp pragmas.
1867 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1868 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1869 (c_parser_omp_clause_name, check_no_duplicate_clause,
1870 c_parser_omp_variable_list,
1871 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1872 c_parser_omp_clause_copyprivate,
1873 c_parser_omp_clause_default,
1874 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1875 c_parser_omp_clause_lastprivate,
1876 c_parser_omp_clause_nowait,
1877 c_parser_omp_clause_num_threads,
1878 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1879 c_parser_omp_clause_reduction,
1880 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1881 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1882 c_parser_omp_atomic, c_parser_omp_barrier,
1883 c_parser_omp_critical, c_parser_omp_flush,
1884 c_parser_omp_for_loop, c_parser_omp_for,
1885 c_parser_omp_master, c_parser_omp_ordered,
1886 c_parser_omp_sections_scope, c_parser_omp_sections,
1887 c_parser_omp_parallel, c_parser_omp_single,
1888 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1889 * c-pragma.c (init_pragma): Do omp pragma registration here.
1890 * c.opt (fopenmp): New flag.
1892 2006-01-18 Eric Christopher <echristo@apple.com>
1894 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1895 * config/darwin.h (GOMP_SELF_SPECS): Define.
1897 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1899 * rtl.h: Remove the prototype for reg_alloc.
1901 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1904 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1905 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1906 sjlj and dwarf2 exception handling.
1907 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1908 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1909 * pa/pa.c (function_value): Treat complex and vector types as
1911 (function_arg): Likewise. Only pass scalar floats in the floating
1912 point argument registers.
1913 * pa/t-slibgcc-dwarf-ver: New file.
1914 * pa/t-slibgcc-sjlj-ver: New file.
1915 * pa/t-slibgcc-elf-ver: Delete file.
1917 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1919 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1920 unlikely_test_section_p test.
1922 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1924 * mode-switching.c (optimize_mode_switching): Make it static.
1925 * basic-block.h: Remove the prototype for
1926 optimize_mode_switching.
1928 * modulo-sched.c (sms_schedule): Make it static.
1929 * rtl.h: Remove the prototype for sms_schedule.
1931 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1932 * rtl.h: Remove the prototype for gcse_after_reload_main.
1934 * reg-stack.c (reg_to_stack): Make it static.
1935 * rtl.h: Remove the prototype for reg_to_stack.
1937 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1939 * rtl.h: Remove the prototypes for regrename_optimize and
1940 copyprop_hardreg_forward.
1942 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1944 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1945 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1946 Test against the appropriate null constant for the mode.
1947 If 'fixup_overlap' is true, swap the operands if they overlap.
1948 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1949 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1950 alpha_split_tmode_pair and adjust for above change.
1951 * config/alpha/alpha.md (movtf_internal): Adjust call to
1952 alpha_split_tfmode_pair and rely on it to swap the operands.
1953 (movti_internal): New insn and post-reload splitter.
1954 (movti): New expander.
1956 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1958 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1961 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1963 * rtlanal.c (global_reg_mentioned_p_1,
1964 global_reg_mentioned_p): Remove.
1965 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1967 * flow.c (initialize_uninitialized_subregs): Make it static.
1968 * rtl.h: Remove the prototype for
1969 initialize_uninitialized_subregs.
1971 * function.c (instantiate_virtual_regs): Make it static.
1972 * function.h: Remove the prototype for
1973 instantiate_virtual_regs.
1975 * regmove.c (regmove_optimize, combine_stack_adjustments):
1977 * rtl.h: Remove the prototypes for regmove_optimize and
1978 combine_stack_adjustments.
1980 2006-01-17 Roger Sayle <roger@eyesopen.com>
1982 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1983 (size_cost): Encode costs in bytes so that a reg-reg addition is
1984 equivalent to COSTS_N_INSNS(1).
1985 (override_options): Use the size_cost.branch_cost as the default
1986 ix86_branch_cost when optimizing for size.
1988 2006-01-18 Ben Elliston <bje@au.ibm.com>
1990 * Makefile.in (D32PBIT_FUNCS): New.
1991 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1992 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1993 D64PBIT_FUNCS and D128PBIT_FUNCS.
1994 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1995 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1997 (decnumber_dep): Define.
1998 * doc/libgcc.texi (Decimal float library routines): New node.
1999 * config/dfp-bit.h, config/dfp-bit.c: New files.
2001 2006-01-18 Ben Elliston <bje@au.ibm.com>
2003 * expr.c (emit_move_change_mode): Always adjust addresses, not
2004 just during reload. Copy replacements only during reload.
2005 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2006 emit_move_via_integer.
2008 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2010 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2011 instead of $(srcdir) and ${srcdir}.
2013 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2017 * arm.h (struct machine_function): Add pic_reg.
2018 * arm.c (arm_pic_register): Make unsigned.
2019 (arm_override_options): Only set arm_pic_register if
2020 TARGET_SINGLE_PIC_BASE.
2021 (use_return_insn): Only test for a pic register if it is fixed.
2022 (arm_compute_save_reg0_reg12_mask): Likewise.
2023 (thumb_compute_save_reg_mask): Likewise.
2024 (legitimate_pic_operand): Factor out some known invariants.
2025 (legitimize_pic_address): If we don't have a fixed pic register,
2026 then set up a pseudo in the function entry sequence. Handle the
2027 pic base being in a pseudo.
2028 (arm_load_pic_register): Handle the pic register being in a pseudo.
2029 (arm_expand_prologue): Only set up the pic register if it is fixed.
2030 (thumb_expand_prologue): Likewise.
2031 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2032 (pic_load_addr_based_insn): Likewise.
2033 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2036 2006-01-18 Ben Elliston <bje@au.ibm.com>
2038 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2039 decimal float modes for all floating point registers.
2041 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2042 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2044 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2047 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2048 even when the pointer is not NULL.
2050 2006-01-16 Ian Lance Taylor <ian@airs.com>
2052 * common.opt (ftoplevel-reorder): New option.
2053 * cgraph.c (cgraph_asm_nodes): New global variable.
2054 (cgraph_asm_last_node): New static variable.
2055 (cgraph_order): New global variable.
2056 (cgraph_create_node): Set new order field.
2057 (cgraph_varpool_node): Likewise.
2058 (decide_is_variable_needed): Return true if not
2059 flag_toplevel_reorder.
2060 (cgraph_add_asm_node): New function.
2061 * cgraph.h (struct cgraph_node): Add order field.
2062 (struct cgraph_varpool_node): Add order field.
2063 (struct cgraph_asm_node): Define.
2064 (cgraph_asm_nodes, cgraph_order): Declare.
2065 (cgraph_add_asm_node): Declare.
2066 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2068 (cgraph_varpool_assemble_pending_decls): Call it.
2069 (cgraph_output_pending_asms): New static function.
2070 (cgraph_finalize_compilation_unit): Call it.
2071 (struct cgraph_order_sort): Define.
2072 (cgraph_output_in_order): New static function.
2073 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2074 !flag_toplevel_reorder case.
2075 * c-parser.c: Include "cgraph.h".
2076 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2078 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2079 than -fno-unit-at-a-time.
2080 * doc/invoke.texi (Option Summary): Mention
2081 -fno-toplevel-reorder.
2082 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2083 -funit-at-a-time documentation.
2085 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2086 Kazu Hirata <kazu@codesourcery.com>
2088 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2090 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2092 * Makefile.in (FUNCTION_H): New. Use it instead of
2093 function.h throughout the file.
2094 * function.h: Include tree.h.
2096 2006-01-17 Ben Elliston <bje@au.ibm.com>
2098 * recog.c: Separate some functions with whitespace.
2100 2006-01-16 Richard Henderson <rth@redhat.com>
2102 Merge from gomp branch:
2103 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2104 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2105 and rename from struct inline_data. Rename callee* to dst*;
2106 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2107 transform_new_cfg, transform_return_to_modify, and
2108 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2110 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2111 (copy_decl_for_dup): Remove.
2112 * tree-inline.c (struct inline_data): Move to header.
2113 (insert_decl_map): Export.
2114 (remap_decl): Update for member name changes. Use copy_decl hook.
2115 Allow for replacement to be a non-decl. Remove dead code.
2116 (remap_type_1): Check for existing mapping.
2117 (remap_type): Export.
2118 (remap_decls): Update for member name changes.
2119 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2120 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2121 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2122 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2123 (tree_function_versioning, build_duplicate_type): Likewise.
2124 (copy_body_r): Likewise. Export.
2125 (copy_decl_for_dup): Split into ...
2126 (copy_decl_for_dup_finish, copy_decl_to_var,
2127 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2128 (replace_ref_tree, inlining_p): Remove.
2130 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2132 * ifcvt.c (if_convert): Make it static.
2133 * rtl.h: Remove the prototype for if_convert.
2135 * local-alloc.c (local_alloc): Make it static.
2136 * rtl.h: Remove the prototype for local_alloc.
2138 * loop.c (loop_optimize): Make it static.
2139 * cfgloop.h: Remove the prototype for loop_optimize.
2142 2006-01-16 DJ Delorie <dj@redhat.com>
2144 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2147 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2149 * pa.md: Disparage copies between general and floating-point registers
2150 in 32-bit move patterns.
2152 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2155 * Makefile.in (check-%): Depend on site.exp instead of
2156 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2159 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2161 * global.c (global_alloc): Make it static.
2162 * rtl.h: Remove the prototype for global_alloc.
2164 2006-01-16 Richard Guenther <rguenther@suse.de>
2166 * tree-ssa-alias.c (struct used_part): Add write_only field.
2167 (get_or_create_used_part_for): Initialize it to true.
2168 (create_overlap_variables_for): Don't create structure variables
2169 for structures that only are written to.
2170 (find_used_portions): Handle MODIFY_EXPR to track whether a
2171 structure is only written to.
2173 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2175 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2177 * basic-block.h: Remove the prototype for
2178 partition_hot_cold_basic_blocks.
2180 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
2182 * cppspec.c (lang_specific_spec_functions): Remove.
2183 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2184 * gcc.h (lang_specific_spec_functions): Remove.
2185 * gccspec.c (lang_specific_spec_functions): Remove.
2187 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2189 * combine.c (record_value_for_reg): Invalidate registers
2191 (record_dead_and_set_regs_1): Likewise, by passing them to
2192 record_value_for_reg.
2193 (record_dead_and_set_regs): Invalidate stores made by a
2194 call. We do not combine across a call, but we still
2195 relied on equivalences.
2197 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2199 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2200 vrp_int_const_binop returning non-constant nodes.
2202 2006-01-16 Paul Brook <paul@codesourcery.com>
2204 * config/m68k/m68k.c (output_move_const_into_data_reg):
2205 Output correct mnemonic for mvz and mvs.
2207 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2209 * rtl-factoring.c: Add sequence abstraction algorithm.
2210 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2211 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2213 (block_has_preserve_label): New function.
2214 * common.opt: Register new pass.
2215 * Makefile.in: Ditto.
2217 * timevar.def: Ditto.
2218 * tree-pass.h: Ditto.
2219 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2220 * rtl.h (make_jump_insn_raw): Add forward decl.
2221 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2223 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2224 Roger Sayle <roger@eyesopen.com>
2226 * fold-const.c (fold_minmax): New static function.
2227 (fold_binary) <MIN_EXPR>: Call it.
2228 <MAX_EXPR>: Likewise.
2229 * stor-layout.c (place_field): Use DECL_SIZE consistently
2230 in the computation of the new record size.
2232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2234 * cse.c (cse_condition_code_reg): Make it static.
2235 * rtl.h: Remove the prototype for cse_condition_code_reg.
2237 * combine.c (combine_instructions): Make it static.
2238 * rtl.h: Remove the prototype for combine_instructions.
2240 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2243 * tree.c (get_file_function_name_long): Concatenate the first global
2244 object name with a string derived from the input filename of the object
2247 2006-01-16 Ben Elliston <bje@au.ibm.com>
2249 * config/i386/winnt-stubs.c: Update FSF address.
2250 * config/xtensa/ieee754-df.S: Ditto.
2251 * config/xtensa/ieee754-sf.S: Ditto.
2253 2006-01-14 Ian Lance Taylor <ian@airs.com>
2255 * ifcvt.c (noce_init_if_info): New static function, broken out of
2256 noce_process_if_block.
2257 (noce_process_if_block): Call noce_init_if_info.
2258 (check_cond_move_block): New static function.
2259 (cond_move_process_if_block): New static function.
2260 (process_if_block): Call cond_move_process_if_block.
2262 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2264 * cselib.c (hash_table): Rename to cselib_hash_table.
2265 (cselib_clear_table, discard_useless_values,
2266 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2267 cselib_init, cselib_finish): Adjust uses of hash_table.
2269 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2271 PR tree-optimization/25485
2272 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2273 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2274 is known to be false and true, respectively.
2276 2006-01-14 Richard Guenther <rguenther@suse.de>
2278 PR tree-optimization/22548
2279 PR tree-optimization/22555
2280 PR tree-optimization/22501
2281 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2282 * params.def (salias-max-array-elements): New parameter.
2283 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2284 * doc/invoke.texi (salias-max-array-elements): Document.
2285 * tree-flow-inline.h (var_can_have_subvars): We also handle
2287 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2289 * tree-ssa-structalias.c (params.h): Include.
2290 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2291 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2292 (get_constraint_for): For ADDR_EXPR operating on something
2293 containing an ARRAY_REF, add all subvars to the solution.
2294 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2295 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2296 for creating MUST_DEFs.
2297 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2299 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2301 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2303 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2304 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2305 number_of_iterations_le): New functions.
2306 (number_of_iterations_special): Removed.
2307 (number_of_iterations_exit): Do not use number_of_iterations_special.
2308 * tree.c (unsigned_type_for): Always return integer type.
2310 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2311 Richard Guenther <rguenther@suse.de>
2313 PR rtl-optimization/24257
2314 * gcse.c (find_moveable_store): Only consider a store movable
2315 when the SET_SRC of the insn can be assigned to a register.
2317 2006-01-14 Ian Lance Taylor <ian@airs.com>
2319 * tree.c (tree_not_class_check_failed): New function.
2320 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2321 (tree_not_class_check_failed): Declare.
2323 2006-01-13 Ian Lance Taylor <ian@airs.com>
2325 * reload1.c (do_output_reload): Add assertion rejecting a
2328 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2330 * combine.c (struct reg_stat): Add new fields truncation_label and
2332 (record_value_for_reg): Reset truncated_to_mode.
2333 (record_truncated_value): New function.
2334 (check_promoted_subreg): Call it. Rename to check_conversions.
2335 (combine_instructions): Rename check_promoted_subreg to
2337 (reg_truncated_to_mode): New function.
2338 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2339 (gen_lowpart_or_truncate): New function.
2340 (force_to_mode): Use it instead of gen_lowpart.
2342 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2344 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2345 VAR is a tag, not its type tag.
2347 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2349 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2350 alternatives to match style of other entries.
2351 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2353 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2355 PR tree-optimization/25771
2356 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2359 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2362 * tree-inline.c (declare_return_variable): If the return variable
2363 was marked as a non gimple complex, set the return slot variable
2364 to be a non gimple comple variable.
2366 2006-01-13 Richard Guenther <rguenther@suse.de>
2368 * builtins.c (expand_builtin_sincos): New function.
2369 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2371 (expand_builtin): Expand sincos using expand_builtin_sincos.
2373 2006-01-12 DJ Delorie <dj@redhat.com>
2375 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2376 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2377 so that constant shifts can be split.
2378 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2379 (m32c_valid_pointer_mode): Make static.
2380 (shift_gen_func_for): New.
2381 (m32c_prepare_shift): Use it. Split large const shifts into
2383 * config/m32c/predicates.md (shiftcount_operand): Allow more
2385 (longshiftcount_operand): New.
2386 * doc/md.texi (Machine Constraints): Document In6.
2388 2006-01-13 Ben Elliston <bje@au.ibm.com>
2390 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2391 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2394 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2396 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2397 to try to avoid clobbering pieces of structures when we know
2398 something about the whole structure.
2399 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2401 2006-01-13 Ben Elliston <bje@au.ibm.com>
2403 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2404 return in memory, as this is no limitation is no longer present.
2406 2006-01-12 DJ Delorie <dj@redhat.com>
2408 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2409 mova with fb, and for fb+0 -> An.
2411 * config/m32c/mov.md (peephole2): Fix enabling logic.
2413 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2414 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2415 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2416 FINI_ARRAY_SECTION_ASM_OP): Define.
2418 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2420 (m32c_legitimize_reload_address): New logic to reload FB to An.
2421 (m32c_output_reg_push): Add newline.
2422 (m32c_output_reg_pop): Likewise.
2424 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2426 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2428 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2430 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2432 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2434 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2437 2006-01-11 Ben Elliston <bje@au.ibm.com>
2439 * rtlanal.c (find_reg_note): Assert insn is not null.
2441 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2443 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2446 2006-01-11 Jeff Law <law@redhat.com>
2448 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2450 (mark_threaded_blocks, register_jump_thread): New functions.
2451 (thread_through_all_blocks): Remove unwanted argument. No
2452 longer rely on e->aux to communicate thread target info.
2453 Call mark_threaded_blocks. Release the threaded_blocks
2454 bitmap and threaded_edges vector when complete.
2455 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2456 (threaded_blocks): Remove.
2457 (tree_ssa_dominator_optimize): Remove initialization and
2458 finalization of threaded_blocks. Simplify call to
2459 thread_through_all_blocks.
2460 (thread_across_edge): Call register_jump_thread rather than
2461 storing thread information into e->aux.
2462 (free_all_edge_infos): Simplify now that e->aux is no longer
2463 used to communicate with thread_through_all_blocks.
2464 * tree-flow.h (thread_through_all_blocks): Update prototype.
2465 (register_jump_thread): Prototype.
2467 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2469 * df-core.c (df_compact_blocks, df_bb_replace): Use
2470 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2472 2006-01-11 Richard Guenther <rguenther@suse.de>
2474 PR tree-optimization/25734
2475 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2476 stop propagation after successful propagation to the LHS.
2478 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2480 * basic-block.h (control_flow_graph): Change the type of
2481 x_basic_block_info to VEC(basic_block,gc) *.
2482 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2484 (SET_BASIC_BLOCK): New.
2485 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2486 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2487 * cfgbuild.c (find_basic_blocks): Likewise.
2488 * cfglayout.c (fixup_reorder_chain): Likewise.
2489 * cfgrtl.c (create_basic_block_structure,
2490 rtl_create_basic_block): Likewise.
2491 * ifcvt.c (find_if_case_1): Likewise.
2492 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2495 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2497 * Makefile.in: Removed rotted odf.c entry.
2499 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2502 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2503 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2504 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2505 output pattern modifier, not %e.
2506 * config/cris/cris.c (cris_op_str): Update comment about pattern
2508 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2509 before falling through into...
2510 <case 'E'>: Redefined from old 'e' case.
2512 2006-01-11 Jan Hubicka <jh@suse.cz>
2515 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2517 2006-01-11 Jan Hubicka <jh@suse.cz>
2519 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2520 * i386.c (x86_decompose_lea): Kill.
2521 (ix86_rtx_costs): Kill.
2523 2006-01-11 Jan Hubicka <jh@suse.cz>
2525 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2526 * cgraph.h (cgraph_node): Add inline_decl.
2527 (cgraph_insert_node_to_hashtable): Declare.
2528 (save_inline_function_body): Declare.
2529 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2531 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2532 (cgraph_function_versioning): Update call of tree_function_versioning.
2533 (save_inline_function_body): New function.
2534 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2535 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2536 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2537 (cgraph_default_inline_p): Likewise.
2538 (cgraph_decide_inlining_incrementally): Likewise.
2539 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2540 (copy_bb): Kill saving; do updating of clones.
2541 (copy_cfg_body): Kill saving.
2542 (initialize_inlined-parameters): Likewise.
2543 (expand_call_inline): Likewise.
2545 (tree_function_versioning): New parameter "update_clones".
2546 (inlining_p): Kill saving.
2547 * tree-inline.h (tree_function_versioning): Update prototype.
2548 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2551 2006-01-11 Ian Lance Taylor <ian@airs.com>
2553 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2554 Allow undoing set of machine mode.
2555 (do_SUBST): Use enums instead of is_int.
2556 (do_SUBST_MODE): New function.
2557 (SUBST_MODE): New macro.
2558 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2559 reg and trying to replace reg_regno_rtx with a new register.
2560 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2561 (simplify_set): Use SUBST_MODE.
2562 (distribute_notes): Remove code that tried to update reg notes
2563 for regno_reg_rtx changes.
2565 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2567 PR tree-optimization/23109
2568 PR tree-optimization/23948
2569 PR tree-optimization/24123
2571 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2572 * tree-cfg.c (single_noncomplex_succ): New.
2573 * tree-flow.h (single_noncomplex_succ): Declare it.
2574 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2575 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2576 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2577 insert_bb, register_division_in, insert_reciprocals,
2578 replace_reciprocal, free_bb): New.
2579 (execute_cse_reciprocals_1): Rewritten.
2580 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2581 Do not commit any edge insertion. Always compute dominators and
2582 create the allocation pool.
2583 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2584 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2585 * targhooks.c (default_min_divistions_for_recip_mul): New.
2586 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2587 * passes.c (init_optimization_passes): Run recip after tree loop
2589 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2591 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2592 Kenneth Zadeck <zadeck@naturalbridge.com>
2594 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2595 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2596 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2597 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2598 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2599 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2600 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2601 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2602 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2603 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2604 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2605 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2606 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2607 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2608 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2609 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2610 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2611 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2612 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2613 DF_SCAN_POST_ALLOC): New macros.
2614 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2615 df_free_bb_function, df_local_compute_function, df_init_function,
2616 df_dataflow_function, df_confluence_function_0,
2617 df_confluence_function_n, df_transfer_function,
2618 df_finalizer_function, df_free_function, df_dump_problem_function,
2619 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2620 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2621 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2622 df_urec_bb_info, ) New types.
2623 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2625 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2626 df_analyze_simple_change_some_blocks,
2627 df_analyze_simple_change_one_block, df_compact_blocks,
2628 df_bb_replace, df_bb_regno_last_use_find,
2629 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2630 df_insn_regno_def_p, df_find_def, df_find_use,
2631 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2632 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2633 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2634 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2635 debug_df_chain, df_get_dependent_problem, df_chain_create,
2636 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2637 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2638 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2639 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2640 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2641 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2642 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2643 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2644 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2645 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2646 df_reorganize_refs, df_set_state, df_hard_reg_init,
2647 df_read_modify_subreg_p) New public functions.
2648 * df-core.c: The core dataflow solver and glue routines for rtl
2650 (df_init, df_add_problem, df_set_blocks, df_finish,
2651 df_hybrid_search_forward, df_hybrid_search_backward,
2652 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2653 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2654 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2655 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2656 df_reg_defined, df_find_use, df_reg_used, df_dump,
2657 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2658 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2659 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2660 debug_df_useno, reset_df_after_reload): New functions.
2661 * df-scan.c: The scanning fuctions, once in df.c, completely
2662 rewritten so that they now fully model the functionality of
2663 register usage at the backend.
2664 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2665 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2666 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2667 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2668 df_get_artificial_defs, df_get_artificial_uses,
2669 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2670 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2671 df_refs_delete, df_reorganize_refs, df_set_state,
2672 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2673 df_def_record_1, df_defs_record, df_uses_record,
2674 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2675 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2676 df_record_exit_block_uses, df_hard_reg_init): New functions.
2678 * df-problems.c: Seven concrete dataflow problems that use the
2679 scanning in df-scan.c and are solved by the engine in df-core.c.
2680 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2681 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2682 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2683 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2684 df_ru_free_bb_info, df_ru_alloc,
2685 df_ru_bb_local_compute_process_def,
2686 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2687 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2688 df_ru_transfer_function, df_ru_free, df_ru_dump,
2689 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2690 df_rd_free_bb_info, df_rd_alloc,
2691 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2692 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2693 df_rd_transfer_function, df_rd_free, df_rd_dump,
2694 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2695 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2696 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2697 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2698 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2699 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2700 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2701 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2702 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2703 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2704 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2705 df_urec_mark_reg_use_for_earlyclobber,
2706 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2707 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2708 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2709 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2710 df_chain_create_bb_process_use, df_chain_create_bb,
2711 df_chain_finalize, df_chain_free, df_chains_dump,
2712 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2713 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2714 df_reg_lifetime): New functions.
2715 * df.c: Deleted file.
2716 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2717 consistent with new df api.
2718 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2719 rest_of_handle_sms): Ditto.
2720 * web.c (unionfind_union, union_defs, entry_register, web_main):
2722 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2723 invariant_expr_equal_p, find_defs, check_dependencies,
2724 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2725 free_inv_motion_data, move_loop_invariants): Ditto.
2726 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2727 Update dependencies.
2728 (odf.c): Added defective entry that was deleted later in day.
2729 * sched-deps.c (sched_analyze_1): Ditto.
2731 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2733 * tree-ssa-operands.c (get_expr_operands): Record addressable
2734 variables directly. Do not call add_stmt_operands for CONST_DECLs
2736 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2737 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2739 2006-01-11 Ben Elliston <bje@au.ibm.com>
2741 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2742 function returns true in the positive case.
2744 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2747 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2748 for SI, DI, SF and DF modes. Add alternatives to copy between
2749 general and floating point registers to the 32-bit patterns.
2750 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2751 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2752 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2753 generating 64-bit code.
2754 * config/pa/pa.c (output_move_double): Handle copies between general
2755 and floating registers.
2757 2006-01-10 Stuart Hastings <stuart@apple.com>
2759 * config/i386/i386.md (set_got): Update.
2760 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2761 (builtin_setjmp_receiver): Mach-O support.
2762 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2763 (GOT_SYMBOL_NAME): Define.
2764 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2765 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2766 * config/i386/i386.c (override_options): Revise for Darwin.
2767 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2768 support. (darwin_x86_file_end): New. (output_set_got): Add label
2769 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2770 * config/i386/i386-protos.h (output_set_got): Likewise.
2771 * config/darwin.c (machopic_legitimize_pic_address): Update
2774 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2776 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2777 when MODE isn't BLKmode.
2779 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2781 PR rtl-optimization/25367
2782 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2784 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2787 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2788 for a negative bound.
2790 2006-01-10 Richard Guenther <rguenther@suse.de>
2792 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2793 Never override with anything constraint.
2795 2006-01-10 Jan Beulich <jbeulich@novell.com>
2797 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2798 256 bits when optimize_size.
2800 2006-01-10 Jan Beulich <jbeulich@novell.com>
2802 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2804 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2805 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2808 2006-01-10 Ben Elliston <bje@au.ibm.com>
2810 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2812 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2813 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2814 (USE_FP_FOR_ARG): Reject decimal float modes.
2815 (function_arg_advance): Likewise.
2816 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2817 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2818 point types in AltiVec vectors.
2819 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2820 (rs6000_libcall_value): Likewise.
2822 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2824 * config/xtensa/ieee754-df.S: New file.
2825 * config/xtensa/ieee754-sf.S: New file.
2826 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2827 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2828 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2830 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2832 * config/sh/predicates.md (binary_float_operator,
2833 binary_logical_operator, commutative_float_operator,
2834 equality_comparison_operator, greater_comparison_operator,
2835 less_comparison_operator, logical_operator,
2836 noncommutative_float_operator, shift_operator,
2837 symbol_ref_operand, unary_float_operator): Remove redundant
2840 2006-01-09 Jeff Law <law@redhat.com>
2842 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2843 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2844 now unused arguments. Callers updated.
2845 (eliminate_redundant_computations): Remove now unused arguments,
2847 (local_fold): Remove, no longer used.
2848 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2850 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2851 (simplify_cond): New function.
2852 (forward_propagate_into_cond): Call simplify_cond.
2854 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2856 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2857 (*vec_extractv2di_1_sse): New.
2859 2006-01-09 Ben Elliston <bje@au.ibm.com>
2861 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2863 2006-01-08 Richard Guenther <rguenther@suse.de>
2865 * tree-ssa-structalias.c (get_constraint_for): Remove
2867 (get_constraint_for_component_ref): Likewise.
2868 (do_deref): Likewise.
2869 (get_constraint_for): Likewise.
2870 (do_structure_copy): Likewise.
2871 (handle_ptr_arith): Likewise.
2872 (find_func_aliases): Likewise. Remove unused need_anyoffset
2875 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2876 Kaz Kojima <kkojima@gcc.gnu.org>
2878 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2879 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2880 (EXTRA_CONSTRAINT_C16): Remove.
2881 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2882 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2883 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2884 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2885 constants of SHmedia. Handle nested constant expressions of
2887 (andcosts): Fix the costs for SHmedia constants.
2888 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2889 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2890 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2891 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2892 (movv4hi_i, movv2si_i): Likewise.
2893 (movsi_const): Adjust the second operand of ior so to match with
2895 (movdi_const, movdi_const_32bit): Likewise.
2896 (movdi_const_16bit+1): Don't sign-extend LOW.
2897 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2899 (*double_shori): Fix the split condition. Use GEN_INT instead
2900 of get_int_mode calls. Mask lower 16-bit of the argument of
2902 (sym2GOTPLT): Remove.
2903 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2905 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2906 instead of EXTRA_CONSTRAINT_C16.
2908 2006-01-07 Ian Lance Taylor <ian@airs.com>
2909 David Edelsohn <edelsohn@gnu.org>
2911 PR rtl-optimization/25662
2912 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2913 for constant operands instead of simplify_gen_binary.
2914 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2915 after trying simplify_binary_operation
2917 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2919 * tree.c (iterative_hash_expr): Hash decls based on UID.
2921 2006-01-06 Eric Christopher <echristo@apple.com>
2923 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2924 (TARGET_UNWIND_EMIT): Fix spelling.
2925 * target.h (gcc_target): Add except_table_label.
2926 * except.c (output_function_exception_table): Use.
2927 * varasm.c (default_emit_except_table_label): New.
2928 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2930 (asm_out): Add here.
2931 * output.h (default_emit_except_table_label): Prototype.
2932 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2933 * config/darwin.c (darwin_emit_except_table_label): Define.
2934 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2936 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2938 PR tree-optimization/18527
2939 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2940 number_of_iterations_special, number_of_iterations_exit):
2941 Move base and step of an iv to a single structure. Add
2942 no_overflow flag, and use it in # of iterations analysis.
2943 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2944 folded_casts argument.
2945 (simple_iv): Pass base and step in a structure. Set no_overflow
2947 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2948 Evaluate expensiveness of computing # of iterations instead of
2949 the final expression.
2950 * tree-scalar-evolution.h (affine_iv): New structure.
2951 (simple_iv): Declaration changed.
2952 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2953 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2954 find_givs_in_stmt): Changed due to simple_iv change.
2956 2006-01-06 Jeff Law <law@redhat.com>
2959 * tree-cfg.c (bsi_replace): Rename final argument from
2960 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2961 change (stmt -> orig_stmt).
2962 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2963 (bsi_remove): Add new argument. Remove EH information
2965 (verify_eh_throw_table_statements): New function.
2966 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2968 * tree-optimize.c (execute_free_cfg_annotations): Verify
2969 the EH throw statement table after removing annotations.
2970 * except.h (verify_eh_throw_table_statements): Prototype.
2971 * tree-flow.h (bsi_remove): Update prototype.
2972 * tree-vrp.c (remove_range_assertions): Add new argument to
2974 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2975 * tree-complex.c (expand_complex_div_wide): Likewise.
2976 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2977 * tree-tailcall.c (eliminate_tailcall): Likewise.
2978 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2979 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2980 * tree-nrv.c (tree_nrv): Likewise.
2981 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2982 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2983 (combine_blocks): Likewise.
2984 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2985 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2986 (cleanup_control_flow): Likewise.
2987 (remove_forwarder_block): Likewise.
2988 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2989 * tree-sra.c (sra_replace): Likewise.
2990 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2991 (forward_propagate_single_use_vars): Likewise.
2992 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2993 * tree-inline.c (expand_call_inline): Likewise.
2994 * tree-vect-transform.c (vect_transform_loop): Likewise.
2995 * tree-outof-ssa.c (rewrite_trees): Likewise.
2996 * tree-cfg.c (make_goto_expr_edges): Likewise.
2997 (cleanup_dead_labels): Likewise.
2998 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2999 (bsi_move_before, bsi_move_after): Likewise.
3000 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3001 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3003 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3006 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3008 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3009 on non gimple variables. Also add checks at the top for decls and
3011 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3013 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3014 and IMAGPART_EXPR for creating MUST_DEFs.
3015 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3016 and NAME_MEMORY_TAG separately from the DECLs.
3018 2006-01-06 Richard Guenther <rguenther@suse.de>
3020 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3021 annotation, if necessary.
3022 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3023 redundant calls to update_stmt.
3024 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3027 2006-01-05 Richard Henderson <rth@redhat.com>
3029 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3031 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3033 * c-typeck.c: Update copyright date.
3035 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3037 * c-typeck.c (build_c_cast): Always warn when casting
3038 from a pointer to an integer of different size, even if
3039 the node was constant.
3041 2006-01-05 Richard Guenther <rguenther@suse.de>
3043 PR tree-optimization/22555
3044 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3045 if one structure field is an array.
3046 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3047 operands even if we found a subvar, but ignore VOPs in this
3049 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3051 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3053 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3056 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3058 2006-01-05 Richard Guenther <rguenther@suse.de>
3059 Diego Novillo <dnovillo@redhat.com>
3061 * tree-pass.h (TODO_remove_unused_locals): Define.
3062 * gimple-low.c (expand_var_p, remove_useless_vars,
3063 pass_remove_useless_vars): Remove. Update all users.
3064 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3065 (remove_unused_locals): New function.
3066 * tree-flow.h (remove_unused_locals): Declare.
3067 * passes.c (execute_todo): Call remove_unused_locals if
3068 TODO_remove_unused_locals is set.
3069 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3070 * tree-ssa-dce.c (pass_dce): Likewise.
3071 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3073 2006-01-05 Richard Guenther <rguenther@suse.de>
3075 * tree-flow.h (struct fieldoff): Decompose field to
3076 type, size and decl.
3077 * tree-ssa-alias.c (create_sft): Take type as parameter.
3078 (create_overlap_variables_for): Store type, size and decl
3079 in the fieldoff structure.
3080 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3082 (push_fields_onto_fieldstack): Likewise.
3083 (create_variable_info_for): Likewise. Use offset for the
3084 SFT name if the decl is not available.
3086 2006-01-04 Paul Brook <paul@codesourcery.com>
3088 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3090 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3092 * lambda-code.c (can_put_in_inner_loop): Relax
3094 (can_put_after_inner_loop): New function.
3095 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3096 (perfect_nestify): Change to make copies and modify uses.
3098 2006-01-04 Richard Henderson <rth@redhat.com>
3100 Merge from gomp branch:
3101 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3102 via integer constant.
3103 (pragma_lex): Remove.
3104 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3105 rather than parsing it.
3106 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3107 handle_pragma_extern_prefix): Add %< %> quotes.
3108 (registered_pragmas): New.
3109 (c_register_pragma_1): New.
3110 (c_register_pragma): Use it.
3111 (c_register_pragma_with_expansion): Likewise.
3112 (c_invoke_pragma_handler): New.
3113 (init_pragma): Use cpp_register_deferred_pragma directly for
3115 * c-pragma.h (enum pragma_kind): New.
3116 (pragma_handler): New.
3117 (c_invoke_pragma_handler): Declare.
3118 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3120 * c-common.h (c_common_pch_pragma): Update decl.
3121 * Makefile.in (c-parser.o): Update dependencies.
3122 (GTFILES): Add c-pragma.h.
3123 * c-parser.c (struct c_token): Add pragma_kind.
3124 (struct c_parser): Add in_pragma.
3125 (c_lex_one_token): Always initialize keyword and pragma_kind.
3126 Extract data for CPP_PRAGMA.
3127 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3128 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3129 Don't allow CPP_PRAGMA_EOL if in_pragma.
3130 (c_parser_consume_pragma): New.
3131 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3132 (c_parser_skip_to_end_of_parameter): Likewise.
3133 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3134 (c_parser_skip_to_pragma_eol): New.
3135 (c_parser_external_declaration): Handle CPP_PRAGMA.
3136 (c_parser_compound_statement_nostart): Likewise.
3137 (c_parser_statement_after_labels): Likewise.
3138 (c_parser_pragma): New.
3139 (pragma_lex): Likewise.
3140 (c_parser_pragma_pch_preprocess): New.
3141 (c_parser_new): Merge into ...
3142 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3144 2006-01-04 Jeff Law <law@redhat.com>
3147 * tree-cfg.c (bsi_replace): Remove the original statement
3148 from the EH throw statement table.
3150 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3152 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3153 make the prototype extern "C" and add throw ().
3156 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3157 and pos non-negative and pos + len <= 32.
3158 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3159 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3160 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3163 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3164 as well as sizes not multiple of component size.
3167 * function.c (instantiate_expr): New function.
3168 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3169 walk its DECL_VALUE_EXPR with instantiate_expr.
3171 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3172 DW_OP_deref{,_size} if address isn't going to be added.
3174 2006-01-04 Ben Elliston <bje@au.ibm.com>
3176 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3177 * config/fp-bit.c: Likewise.
3179 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3181 * dominance.c: Add comment about why we use DFS numbering
3184 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3185 Richard Henderson <rth@redhat.com>
3187 Merge from gomp-branch:
3188 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3189 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3191 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3193 PR rtl-optimization/25578
3194 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3195 pass a parameter to simplify_shift_const if changing ASHIFTRT
3198 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3200 * builtins.c (get_builtin_sync_mem): New function.
3201 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3202 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3203 Call get_builtin_sync_mem to generate mem rtx.
3205 2006-01-03 Richard Guenther <rguenther@suse.de>
3208 * stmt.c (add_case_node): Make sure to clear overflow flags
3211 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3213 Merge from gomp-branch.
3214 * config/sparc/sync.md: New file.
3215 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3216 UNSPECV_LDSTUB): New constants.
3217 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3218 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3219 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3222 2006-01-03 Roger Sayle <roger@eyesopen.com>
3224 * combine.c (reg_subword_p): New predicate to test whether the
3225 destination of a set refers to a subword/piece of a register.
3226 (try_combine): Generalize the code to merge the setting of a
3227 pseudo to a constant followed by a set of a subword of that
3228 register to a constant.
3230 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3232 * basic-block.h (control_flow_graph): Change the type of
3233 x_label_to_block_map to VEC(basic_block,gc) *.
3234 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3235 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3237 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3238 VEC(basic_block,heap) *.
3239 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3240 ssa_prop_fini): Adjust the uses of cfg_blocks.
3242 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3244 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3246 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3247 hashing trees instead of a pointer hash.
3248 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3249 compare for MEM_EXPR.
3251 PR rtl-optimization/25130
3252 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3253 when comparing MEMs for GCSE
3255 2006-01-03 Ben Elliston <bje@au.ibm.com>
3257 * targhooks.h (default_decimal_float_supported_p): Declare.
3258 * targhooks.c (default_decimal_float_supported_p): Define.
3259 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3260 `default_decimal_float_supported_p'.
3261 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3263 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3265 * combine.c (apply_distributive_law <SUBREG>): Check
3266 TRULY_NOOP_TRUNCATION.
3268 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3270 * dwarf2out.c (have_switched_text_section): Delete.
3271 (have_multiple_function_sections): New.
3272 (have_location_lists): Make 'bool'.
3273 (add_AT_loc_list): Use 'true' not '1'.
3274 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3275 (output_loc_list): Use have_multiple_function_sections.
3276 (output_ranges): Likewise.
3277 (dwarf2out_begin_function): Set have_multiple_function_sections if
3279 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3280 Check function_section rather than DECL_SECTION_NAME.
3281 (dwarf2out_finish): Use have_multiple_function_sections.
3282 Don't clear have_location_lists.
3284 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3285 Jan Hubicka <jh@suse.cz>
3287 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3288 case of conditional jump jumping to the next instruction.
3289 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3290 cases of conditional jump jumping to the next instruction.
3292 2006-01-02 Jan Hubicka <jh@suse.cz>
3294 * i386.c (*_cost): Add COSTS_N_INSNS.
3295 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3297 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3300 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3302 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3304 * config/arm/arm.c (all_fpus): Fix comment typo.
3305 * config/darwin.c: Likewise.
3306 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3307 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3308 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3310 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3312 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3313 (rs6000_split_compare_and_swapqhi): New.
3314 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3315 (sync_compare_and_swapqhi_internal): New.
3316 * config/rs6000/rs6000-protos.h: Declare.
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