1 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5 2006-01-31 Richard Guenther <rguenther@suse.de>
7 * doc/invoke.texi (-msselibm): Document.
8 * target.h (expand_library_builtin): New target hook.
9 * builtins.c (expand_builtin): Use expand_library_builtin.
10 (default_expand_library_builtin): New function.
11 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13 (link_gcc_math_spec): Declare.
14 (static_specs): Add link_gcc_math_spec.
15 * expr.h (default_expand_library_builtin): Declare.
16 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19 * config/i386/i386.opt (msselibm): New target option.
20 * config/i386/i386.c (ix86_builtin_function_variants): New array.
21 (ix86_init_sse_abi_builtins): New function.
22 (ix86_expand_library_builtin): Likewise.
23 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
24 (override_options): Handle error conditions wrt -msselibm.
25 (ix86_builtins): Add function codes for SSE2 ABI builtins.
26 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
27 * doc/extend.texi (__builtin_sse2_*): Document new target specific
30 2006-01-31 Richard Guenther <rguenther@suse.de>
31 Paolo Bonzini <bonzini@gnu.org>
33 * doc/install.texi (--disable-libgcc-math): Document.
35 2006-01-30 Marcin Dalecki <martin@dalecki.de>
37 * expr.h (expand_normal): new inline function.
38 * builtins.c: use it, use EXPAND_NORMAL explicitely.
40 * dwarf2out.c: use it.
45 * config/sparc/sparc.c: use it.
46 * config/i386/i386.c: use it.
47 * config/rs6000/rs6000.c: use it.
48 * config/arm/arm.c: use it.
49 * config/mips/mips.c: use it.
50 * stmt.c: use it, use EXPAND_NORMAL explicitely.
52 2006-01-30 Roger Sayle <roger@eyesopen.com>
54 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
55 argv to the appropriate type.
57 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
59 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
62 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
65 * config/s390/s390.c (struct machine_function): New flag
66 decomposed_literal_pool_addresses_ok_p.
67 (s390_reorg): Set it before final stage of literal pool transforms.
68 (s390_decompose_address): Only accept displacements of the form
69 (minus (label_ref ...) (label_ref ...)) if that flag is set.
71 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
73 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
74 the comparison routine return.
76 2006-01-30 Michael Matz <matz@suse.de>
78 * global.c (find_reg): Only evict for global regs.
79 Take n_refs into account and dump more info.
81 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
84 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
85 (pragma_trap, pragma_nosave_low_regs): Likewise.
86 (current_function_anonymous_args): Likewise.
87 (sh_deferred_function_attributes): New variable.
88 (sh_deferred_function_attributes_tail): Likewise.
89 (print_operand): For '@', look up trap_exit attribute.
90 (calc_live_regs): Look up trapa_handler attribute. For trapa
91 handlers, save/restore fpscr, but don't do any other
92 interrupt-specific saves.
93 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
94 Fix check for partially saved registers to check for SHmedia.
95 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
96 (sh_output_function_epilogue): Don't clear any of the removed
98 (sh_insert_attributes): Don't check pragma_interrupt.
99 Insert deferred attributes. Check that interrupt attribute is
100 present for other attributes that require its presence.
101 (sh_attribute_table): Add new attributes trapa_handler and
103 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
104 Don't check for pragma_interrupt. Don't store argument.
105 * sh.h (pragma_interrupt, sp_switch): Don't declare.
106 (sh_deferred_function_attributes): Declare.
107 (sh_deferred_function_attributes_tail): Likewise.
108 * sh.md (sp_switch_1): Add operand. Change generator caller.
109 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
110 (*return_i): Don't use when trap_exit attribute is in effect.
111 (*return_trapa): New insn pattern.
113 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
114 setting c_target_objs and cxx_target_objs.
115 * t-sh: Add rule for sh-c.o.
117 2006-01-30 Richard Guenther <rguenther@suse.de>
120 * gimplify.c (gimplify_target_expr): Handle easy cases
121 without creating a temporary.
123 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
125 * vec.h (safe_grow): Remove duplicated line.
127 2006-01-29 Diego Novillo <dnovillo@redhat.com>
130 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
131 (expand_omp): ... here.
132 (expand_omp_parallel): Only remove barriers for combined
133 parallel+workshare constructs.
135 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
139 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
140 * tree.c (build_qualified_type): Chain the new type to the original
141 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
142 a POINTER_TYPE or a REFERENCE_TYPE respectively.
143 (build_pointer_type_for_mode): Only return unqualified types.
144 (build_reference_type_for_mode): Likewise.
146 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
148 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
149 * Makefile.in (CXX_COMPAT_WARN): Define.
150 * configure: Regenerate.
152 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
155 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
158 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
160 * toplev.c: Fix thinko.
162 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
163 Marcin Dalecki <martin@dalecki.de>
165 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
166 (push_srcloc): Use XNEW.
167 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
169 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
171 * df-core.c (df_set_blocks): Deleted all variable.
173 2006-01-28 Ian Lance Taylor <ian@airs.com>
175 * cgraphunit.c (cgraph_assemble_pending_functions): Call
176 cgraph_output_pending_asms.
178 2006-01-28 Zack Weinberg <zackw@panix.com>
180 * c.opt: Add -W(no-)overlength-strings.
181 * doc/invoke.texi: Document it.
182 * c-opts.c (c_common_handle_option): -pedantic implies
183 -Woverlength-strings, if not explicitly disabled already.
184 (c_common_post_options): -Woverlength-strings defaults to off, and
185 is always off for C++.
186 * c-common.c (fix_string_type): Issue warning about strings longer
187 than is portable only if warn_overlength_strings. Rearrange code
188 a little for clarity.
189 * configure.in: Check for -Wno-overlength-strings as well before
190 enabling -pedantic in stage 1.
191 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
192 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
194 * genconditions.c (write_header, write_one_condition)
195 (write_conditions, write_writer): Consolidate very long strings
196 that were broken up to fit in C89 portable limit. Don't use
197 printf when fputs will do.
199 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
201 * combine.c (simplify_comparison <AND>): Check
202 TRULY_NOOP_TRUNCATION before start using a subreg.
204 * config/mips/mips.md (*branch_zero<mode>,
205 *branch_zero<mode>_inverted, *branch_equality<mode>,
206 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
207 Remove mode check from comparisons.
209 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
211 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
213 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
215 * expmed.c (const_mult_add_overflow_p): Remove.
216 * expr.h: Remove the prototype for const_mult_add_overflow_p.
218 * recog.c (validate_replace_rtx_subexp): Remove.
219 * recog.h: Remove the prototype for
220 validate_replace_rtx_subexp.
222 * integrate.h: Remove the prototype for
223 copy_decl_for_inlining.
224 * rtl.h: Remove the prototype for mark_constant_function.
225 * tree-vectorizer.h: Remove the prototype for
226 vect_strip_conversion.
228 * modulo-sched.c (create_partial_schedule,
229 free_partial_schedule, reset_partial_schedule): Make them
232 * hooks.c (hook_bool_rtx_int_false): Remove.
233 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
235 2006-01-28 David Edelsohn <edelsohn@gnu.org>
237 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
238 and -mlong-double-128 are incompatible.
239 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
240 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
241 (TARGET_LIBGCC2_CFLAGS): Define.
242 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
243 (TARGET_LIBGCC2_CFLAGS): Same.
244 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
246 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
249 * c-typeck.c (build_binary_op): Perform implicit casts of
250 operands before shortening them.
252 * cfgloopmanip.c (split_loop_bb): Remove.
253 * cfgloop.h: Remove the prototype for split_loop_bb.
255 * cfgloop.c (flow_loop_outside_edge_p): Remove.
256 * cfgloop.h: Remove the prototype for
257 flow_loop_outside_edge_p.
259 * emit-rtl.c (init_virtual_regs): Make it static.
260 * function.h: Remove the prototype for init_virtual_regs.
262 * recog.c (peephole2_optimize): Make it static.
263 * recog.h: Remove the prototype for peephole2_optimize.
265 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
267 * df-scan.c (df_record_entry_block_defs): Check if
268 INCOMING_RETURN_ADDR_RTX is defined.
270 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
271 Kenneth Zadeck <zadeck@naturalbridge.com>
273 PR rtl-optimization/24762
274 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
275 * targhooks.c (hook_void_bitmap): New hook prototype.
276 * targhoohs.h (hook_void_bitmap): Ditto.
277 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
278 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
279 * target.h (live_on_entry): New function pointer.
280 * df-scan.c (df_all_hard_regs): Removed.
281 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
282 (df_scan_free_internal): Added df->entry_block_defs.
283 (df_scan_alloc): Ditto.
284 (df_scan_dump): Ditto.
285 (df_uses_record): Plumbed flag field properly thru calls.
286 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
287 This part fixes PR24762.
288 (df_bb_refs_record): Added code to make the frame and arg
289 pointers live in EH blocks.
290 (df_refs_record): Added call to df_record_entry_block_defs.
291 (df_record_entry_block_defs): New function.
292 * df-core.c: Added comments to describe new artifical defs.
293 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
294 (entry_block_defs): New field in struct df.
295 (df_all_hard_regs): Deleted.
296 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
297 * df-problems.c (df_ru_bb_local_compute_process_def):
298 Added code to handle artifical defs in the entry to a function.
299 (df_ru_bb_local_compute): Ditto.
300 (df_rd_bb_local_compute_process_def): Ditto.
301 (df_rd_bb_local_compute): Ditto.
302 (df_lr_bb_local_compute): Ditto.
303 (df_ur_bb_local_compute): Ditto.
304 (df_urec_bb_local_compute): Ditto.
305 (df_chain_create_bb): Ditto.
306 (df_ur_local_finalize): Removed entry.
307 (df_urec_init): Ditto.
308 (df_urec_local_finalize): Ditto.
309 (df_ri_bb_compute): Added detection of last use of pseudos.
310 * Makefile.in (df-scan.o): Updated dependencies.
311 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
312 * config/mips/mips.c (mips_set_live_on_entry): Added.
313 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
315 * dce.c (marked_insn_p): Added code to handle artifical defs.
317 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
319 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
321 (_mm_cvtsi128_si64): Likewise.
322 (_mm_cvtsd_si64): Likewise.
323 (_mm_cvttsd_si64): Likewise.
324 (_mm_cvtsi64_sd): Likewise.
325 (_mm_cvtsi64_si128): Likewise.
326 * config/i386/mmintrin.h (_m_from_int64): Likewise.
327 (_mm_cvtsi64_m64): Likewise.
328 (_m_to_int64): Likewise.
329 (_mm_cvtm64_si64): Likewise.
330 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
331 (_mm_cvttss_si64): Likewise.
332 (_mm_cvtsi64_ss): Likewise.
333 (_mm_cvtss_f32): Likewise.
335 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
337 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
338 for pragma redefine_extname.
340 2006-01-27 Jakub Jelinek <jakub@redhat.com>
343 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
344 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
345 -mno-minimal-toc to previous content.
346 (bispecs): Remove goal.
347 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
348 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
349 compatibility aliases on powerpc-*-*gnu*.
350 * config/rs6000/libgcc-ppc-glibc.ver: New file.
351 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
352 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
353 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
354 (ldblspecs): New goal.
355 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
356 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
358 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
359 L_sf_to_tf or L_df_to_tf is defined.
361 2006-01-27 David Edelsohn <edelsohn@gnu.org>
362 Alan Modra <amodra@bigpond.net.au>
365 * config/rs6000/linux.h (POWERPC_LINUX): Define.
366 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
367 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
368 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
369 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
370 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
371 (rs6000_override_options): Initialize rs6000_ieeequad.
372 Initialize TFmode format to ibm_extended_format if not
374 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
376 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
377 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
378 (function_arg_advance): IBM long double passed in two FPRs, not
380 (function_arg): IBM long double passed in FPRs.
381 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
382 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
383 Only multireg GPR aligned.
384 (rs6000_init_libfuncs): Enable IBM long double functions if not
386 (rs6000_generate_compare): Use IBM long double compare if not
388 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
389 (TARGET_IEEEQUAD): Define.
390 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
392 * config/rs6000/rs6000.md: Enable TFmode patterns if
394 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
395 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
396 and -mlong-double-128 are incompatible.
397 * doc/invoke.texi (-mabi): Collect options together. Add
398 ibmlongdouble and ieeelongdouble.
400 2006-01-27 Richard Sandiford <richard@codesourcery.com>
402 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
404 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
405 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
406 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
407 * rtl.h (rtunion_def): Remove rt_ptr.
409 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
410 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
411 * config/i386/winnt.c (i386_pe_mark_dllexport)
412 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
414 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
416 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
418 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
422 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
423 pthread_key_delete. From John David Anglin. gthrw-ify
424 pthread_getunique_np only if it it's not a macro. Delete
426 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
427 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
428 __gthread_objc_condition_signal, __gthread_key_delete): Add
429 "__attribute__ ((__unused__))" to unused arguments.
430 (__gthread_recursive_mutex_init_function): Add missing return.
431 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
432 gthr-posix95.h: Use macro-based approach for name redirection
433 on targets missing weakref.
435 2006-01-26 Zack Weinberg <zackw@panix.com>
437 * genconditions.c (write_header): In generated code, #ifdef out
438 all includes and fake declarations, except includes of bconfig.h
439 and system.h, unless GCC_VERSION >= 3001. Do not include
440 gensupport.h in any case.
441 (write_conditions): Generate a definition of struct c_test. Add
442 a comment to the generated #endif.
443 (write_one_condition): Escape backslashes in string too.
444 (write_writer): Generated code must escape backslashes and quote
445 marks (but not newlines) in the strings it writes.
446 * Makefile.in (build/gencondmd.o): Update dependencies.
448 2006-01-26 Steve Ellcey <sje@cup.hp.com>
451 * Makefile.in (insn-automata.o): Add header file dependencies.
452 * genautomata.c: Add includes.
454 2006-01-26 Steve Ellcey <sje@cup.hp.com>
457 * Makefile.in (insn-automata.o): Add -Wno-error flag.
459 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
461 * configure.ac: Expect target tools paths to be passed from the toplevel
462 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
464 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
466 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
469 * c.opt (Wpointer-sign): Init to -1.
470 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
471 OPT_pedantic, to 0 otherwise.
472 * doc/invoke.texi: Update.
474 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
476 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
477 constants provided by 80387 instructions in the destination mode.
479 2006-01-26 Richard Guenther <rguenther@suse.de>
480 Andrew Pinski <pinskia@physics.uc.edu>
483 partial PR tree-opt/17064
484 * tree-ssa-structalias.c (intra_create_variable_infos):
485 Create heap variables for incoming parameters if
486 flag_argument_noalias > 1.
487 (find_what_p_points_to): Look through default defs of
490 2006-01-26 Jeff Law <law@redhat.com>
493 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
494 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
495 within the VR_RANGE, use the VR_RANGE as the result, not the
497 (adjust_range_with_scev): Reject ranges from SCEV which are out
498 of bounds for the type.
500 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
502 * tree-ssa-alias.c (maybe_create_global_var): Change
503 subvar walking to an assertion that we don't have subvar'd variables.
505 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
508 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
509 Use a new variable, inner. PARM_DECLs are always non-weak.
511 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
513 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
516 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
518 * config/mips/mips.md (*clear_upper32): New combiner pattern.
520 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
522 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
523 (smax_insn, smin_insn, smax_0, smin_0): New.
525 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
528 * config/cris/cris.c (cris_order_for_addsi3): New function.
529 * config/cris/cris-protos.h: Prototype it.
530 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
531 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
532 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
533 (split for "op.S1 [rx=rx+i],ry (swapped)")
534 (split for "op(s|u).S1 [rx=rx+i],ry")
535 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
536 Apply cris_order_for_addsi3 when generating addsi3 insns.
538 2006-01-25 Diego Novillo <dnovillo@redhat.com>
540 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
541 (TREE_BLOCK): Add call to EXPR_CHECK.
543 2006-01-25 Diego Novillo <dnovillo@redhat.com>
546 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
547 * tree-pretty-print.c (dump_omp_clause): Extract from ...
548 (dump_omp_clauses): ... here.
549 (dump_generic_node): Handle OMP_CLAUSE.
550 * tree.c (omp_clause_num_ops): New.
551 (omp_clause_code_name): New.
552 (tree_code_size): Handle OMP_CLAUSE.
553 (tree_size): Likewise.
554 (make_node): Document handling of OMP_CLAUSE.
555 (tree_node_structure): Handle OMP_CLAUSE.
556 (omp_clause_check_failed): New.
557 (omp_clause_range_check_failed): New.
558 (omp_clause_operand_check_failed): New.
559 (build_omp_clause): New.
560 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
561 * tree.h (enum omp_clause_code): Declare.
562 (OMP_CLAUSE_SUBCODE_CHECK): Define.
563 (OMP_CLAUSE_RANGE_CHECK): Define.
564 (OMP_CLAUSE_ELT_CHECK): Define.
565 (omp_clause_check_failed): Declare.
566 (omp_clause_operand_check_failed): Declare.
567 (omp_clause_range_check_failed): Declare.
568 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
569 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
570 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
571 (OMP_CLAUSE_LASTPRIVATE): Likewise.
572 (OMP_CLAUSE_IF_EXPR): Likewise.
573 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
574 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
575 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
576 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
577 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
578 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
579 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
580 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
581 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
582 (OMP_CLAUSE_CODE): Define.
583 (OMP_CLAUSE_SET_CODE): Define.
584 (OMP_CLAUSE_CODE): Define.
585 (OMP_CLAUSE_OPERAND): Define.
586 (struct tree_omp_clause): Declare.
587 (union tree_node): Add field 'omp_clause'.
588 * treestruct.def (TS_OMP_CLAUSE): Define.
589 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
590 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
591 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
592 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
593 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
594 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
595 (OMP_CLAUSE): Define.
596 * print-tree.c (print_node): Handle OMP_CLAUSE.
597 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
598 * c-typeck.c: Likewise.
599 * gimplify.c: Likewise.
601 * tree-nested.c: Likewise.
602 * tree-inline.c: Likewise.
603 * c-parser.c: Likewise.
604 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
607 2006-01-25 Roger Sayle <roger@eyesopen.com>
609 PR rtl-optimization/25703
610 * combine.c (try_combine): Handle zero_extract and strict_low_part
611 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
613 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
615 * global.c: Fix comment typos.
617 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
620 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
621 Use output_addr_const instead of assemble_name.
623 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
625 * Makefile.in (sched-vis.o): Update dependencies.
626 * haifa-sched.c (sched_finish): Clear current_sched_info.
627 * cfg.c (dump_bb_info): New, split from dump_flow_info.
628 (dump_flow_info): Call it.
629 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
631 * basic-block.h (dump_bb_info): Declare.
632 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
633 option, and apply options only for dump files whose TDF_RTL,
634 TDF_TREE, or TDF_IPA bits match.
635 * rtl.h: Declare new functions exported from sched-vis.c.
636 * sched-vis.c: Enable also if scheduling is not used.
637 (print_value): Print the mode of registers if not inside scheduling.
638 (print_insn): Make it work outside the scheduler. Beautify the output
640 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
642 2006-01-25 Richard Sandiford <richard@codesourcery.com>
644 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
645 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
646 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
647 depending on the value of CONSTANT_POOL_ADDRESS_P.
648 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
650 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
651 rather than SYMBOL_REF_DECL.
652 (rtx_constant_pool): Remove const_rtx_sym_htab.
653 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
654 (init_varasm_status): Don't initialize const_rtx_sym_htab.
655 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
656 Remove handling of const_rtx_sym_htab.
657 (find_pool_constant): Delete.
658 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
659 rather than find_pool_constant.
660 (get_pool_constant_for_function): Delete.
661 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
663 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
664 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
665 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
666 (SYMBOL_REF_CONSTANT): New macro.
667 (get_pool_constant_for_function): Delete.
668 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
669 rather than SYMBOL_REF_DECL.
670 (i386_pe_mark_dllimport): Likewise.
671 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
672 rather than SYMBOL_REF_DECL.
673 * config/darwin.c (machopic_indirect_data_reference): Likewise.
674 (machopic_indirect_call_target): Likewise.
676 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
678 * flow.c (delete_noop_moves): Add missing EOL to dump message.
680 2006-01-25 Richard Sandiford <richard@codesourcery.com>
682 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
684 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
686 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
688 2006-01-24 David Daney <ddaney@avtrex.com>
691 * configure.ac (enable_tls): New enable option.
692 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
693 * configure: Regenerate.
694 * doc/install.texi (--enable-tls): Document new option.
695 (--disable-tls): Ditto.
697 2006-01-24 Richard Henderson <rth@redehat.com>
699 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
700 * alias.c (true_dependence): Respect it.
701 (canon_true_dependence, write_dependence_p): Likewise.
702 * builtins.c (get_builtin_sync_mem): Set it.
704 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
706 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
709 2006-01-24 DJ Delorie <dj@redhat.com>
711 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
712 for storing constants in single-bit bitfields.
714 2006-01-25 Ben Elliston <bje@au.ibm.com>
716 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
718 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
721 * tree-ssa-pre.c (phi_translate): Return NULL
722 for AGGREGATE_TYPE's.
724 2006-01-24 Zack Weinberg <zackw@panix.com>
726 * genautomata.c (process_state_for_insn_equiv_partition):
727 Use xcalloc for insn_arcs_array.
728 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
729 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
731 2006-01-24 Richard Henderson <rth@redhat.com>
733 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
736 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
738 PR rtl-optimization/25890
739 PR rtl-optimization/25905
740 * combine.c (expand_compound_operation, expand_field_assignment):
741 Fail if the bitfield's final position is out of bounds.
743 2006-01-24 Ian Lance Taylor <ian@airs.com>
746 * cgraphunit.c (cgraph_output_in_order): Don't clear
747 cgraph_asm_nodes until after asm strings have been output.
749 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
751 * fix-header.c (read_scan_file): Add new parameter imultilib when
752 calling register_include_chains.
754 2006-01-23 Diego Novillo <dnovillo@redhat.com>
756 * omp-low.c: Update documentation.
758 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
759 Daniel Berlin <dberlin@dberlin.org>
763 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
764 return from the function.
766 2006-01-22 Zack Weinberg <zackw@panix.com>
768 * rtl.def (match_code): Add second argument.
769 * genpreds.c (write_extract_subexp): New function.
770 (write_match_code): Add path argument. Use write_extract_subexp.
771 (write_predicate_expr): Pass path to write_match_code.
772 (mark_mode_tests): MATCH_CODE applied to a subexpression does
773 not perform a mode test.
774 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
775 a subexpression does not constrain the top-level code set.
776 * read-rtl.c (read_rtx_variadic): New function.
777 (read_rtx_1): Use it; allow AND and IOR to be variadic.
778 * doc/md.texi: Document new notation.
779 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
780 (cmpsi_operand): ... here, using new notation.
782 2006-01-22 Zack Weinberg <zackw@panix.com>
784 * varray.c: Remove GENERATOR_FILE #ifdefs.
786 2006-01-22 Zack Weinberg <zackw@panix.com>
788 * genautomata.c (output_reserved_units_table): Emit nothing if
789 description->query_units_num is zero. Remove extra blank line.
790 (output_cpu_unit_reservation_p): Short circuit
791 if description->query_units_num is zero.
793 2006-01-22 Zack Weinberg <zackw@panix.com>
795 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
796 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
797 nor any of the random handful of variables that used to be necessary
798 when this program was linked with rtlanal.o. Prune set of forward
799 function declarations.
800 (struct attr_desc): Remove static_p field.
801 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
802 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
803 (attr_string): Do not read the character one past the length of
805 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
806 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
807 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
808 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
809 (make_automaton_attrs): New.
810 (main): Do not call into genautomata. Call local gen_bypass
811 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
812 Remove special case for insn_alts.
813 * genautomata.c: Include gensupport.h; not genattrtab.h nor
814 varray.h (leftover from previous change). Prune set of forward
815 function declarations. Remove state_alts fields from all
816 structures. Remove state_alts_table from struct automaton.
817 Make everything except main static. Do not maintain num_dfa_decls.
818 Do not maintain state_alts fields of various structures.
819 (process_decls): Don't validate condexp for dm_insn_reserv decls.
820 (add_arc): Remove state_alts argument. All callers updated.
821 (output_reserved_units_table): Emit #ifdef here...
822 (output_tables): ...not here. Don't generate state_alts tables.
823 (expand_automata): Don't generate attributes.
824 (write_automata): Don't generate state_alts functions.
825 (main): New function.
826 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
827 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
828 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
829 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
830 (BYPASS_P_FUNC_NAME, output_state_alts_table)
831 (output_automata_list_state_alts_code, output_internal_state_alts_func)
832 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
833 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
835 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
836 * genattrtab.h: Delete file.
837 * Makefile.in (OBJS-common): Add insn-automata.o.
838 (insn-automata.o): New rule.
839 (simple_generated_c): Add insn-automata.c.
840 (build/genattrtab.o, build/genautomata.o): Update dependencies.
841 (genprogmd): Add automata.
842 (build/genattrtab): Needs no extra objects nor libraries.
843 (build/genautomata): Needs build/vec.o and -lm.
845 2006-01-22 Zack Weinberg <zackw@panix.com>
847 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
848 (output_dfa_max_issue_rate, locked_states_num): Delete.
849 (struct automaton): Add locked_states field.
850 (output_dead_lock_vect): Save number of locked states in
851 automaton->locked_states. If it is zero, don't print anything.
852 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
853 (output_internal_dead_lock_func): Only test the dead_lock_vect
854 for automata that have locked states.
855 (output_statistics): Always print the number of locked states for
856 each automaton. Calculate total number of locked states here.
857 (write_automata): Don't call output_dfa_max_issue_rate.
858 * genattrtab.c: Define length_unit_log as a const variable.
859 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
860 max_insn_queue_index const.
861 * final.c (length_unit_log): Declare const.
862 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
864 2006-01-22 Zack Weinberg <zackw@panix.com>
866 * genautomata.c: Include vec.h, not varray.h.
867 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
868 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
869 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
870 VEC_* macros operating on appropriately typed vectors, or to
871 malloced arrays when the size is known in advance. Const-ify
872 many char* variables and function arguments. No functional changes.
873 * Makefile.in (build/varray.o): Delete rule.
874 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
875 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
877 2006-01-22 Zack Weinberg <zackw@panix.com>
879 * gensupport.c: Define get_insn_name and record_insn_name here.
880 (read_md_rtx): Call record_insn_name as appropriate.
881 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
882 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
883 * genpreds.c, genrecog.c: Don't define get_insn_name nor
885 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
886 (BUILD_VARRAY): Delete.
887 (genprognormal): Rename genprogmd. Fold in all programs from
888 genprognoprint; also attrtab.
889 (build/genattrtab): Just mention genautomata.o and varray.o.
890 Reorganize a bit, add comments to make the categories clearer.
892 2006-01-22 Zack Weinberg <zackw@panix.com>
894 * genconditions.c (condition_table, add_condition): Delete.
895 (write_conditions): Don't emit n_insn_conditions nor
896 insn_elision_unavailable. Issue the gcc version #ifdef here,
897 inside the table, with no #else clause ...
898 (write_header): ...not here.
899 (write_writer): New function.
900 (main): Don't initialize condition_table. Use add_c_test.
902 * gensupport.c (init_md_reader_args_cb): Handle multiple input
903 files on the command line.
904 (maybe_eval_c_test): Don't check insn_elision_unavailable.
905 Return -1 if there is no entry in the table, don't abort.
906 (add_c_test, traverse_c_tests): New functions.
907 * gensupport.h (insn_elision_unavailable, insn_conditions)
908 (n_insn_conditions): Delete declarations.
909 (add_c_test, traverse_c_tests): Declare.
910 * read-rtl.c: Include gensupport.h.
911 (read_conditions): New function.
912 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
913 (read_rtx_1): If we get EOF when we were looking for an initial
914 open paren, return 0. Call read_conditions when appropriate.
915 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
916 dummy-conditions.o. Eliminate references to insn-conditions.o,
917 or change them to build/gencondmd.o, as appropriate. Remove
918 insn-constants.h from $(simple_generated_h) and insn-conditions.c
919 from $(simple_generated_c). For all files remaining in those
920 two lists, add insn-conditions.md to the generator command line.
921 Give insn-constants.h/s-constants their own rules. Add rules
922 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
923 (build/read-rtl.o): Depend on gensupport.h.
924 (genprognormal): Include preds.
925 (genprogearly): Rename genprognoprint; only difference is now that
926 they don't link with $(BUILD_PRINT).
927 * dummy-conditions.c: Delete.
929 2006-01-22 Zack Weinberg <zackw@panix.com>
931 * genextract.c: Don't include insn-config.h. Do include vec.h.
932 Declare vectors of int, char, and locstr.
933 (locstr): New typedef.
934 (struct extraction): Make all array fields into bare pointers.
935 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
936 (insn_code_number): Delete.
937 (accum_extract): New struct.
938 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
939 (gen_insn): Take insn_code_number as an argument. Use an
940 accum_extract structure instead of loading data directly into
941 a struct extraction, and having to know how big it might get.
942 (walk_rtx): Operate entirely on an accum_extract structure.
943 (print_path): Avoid unnecessary use of printf.
944 (print_header): New function, split out of main. Distinguish
945 more carefully between an unrecognizable insn and an insn that
946 has the code number of a define_expand.
947 (main): Pass insn_code_number to gen_insn. Call print_header
948 only after parsing. Avoid unnecessary use of printf.
949 * Makefile.in (build/vec.o): New rule.
950 (build/genextract): Depend on build/vec.o.
951 (build/genextract.o): Don't depend on insn-config.h.
953 2006-01-22 Zack Weinberg <zackw@panix.com>
955 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
956 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
957 practical. Eliminate per-generator-program link rules.
959 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
962 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
963 with a call expr to ...
964 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
966 2006-01-23 Richard Guenther <rguenther@suse.de>
968 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
969 before make_edge with conditional EDGE_TRUE_VALUE.
971 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
972 Jan Hubicka <jh@suse.cz>
973 Richard Guenther <rguenther@suse.de>
975 PR rtl-optimization/25654
976 * cfgexpand.c (aggregate_contains_union_type): New function.
977 (add_alias_set_conflicts): Call it. Make sure to add conflicts
978 for structure variables that contain a union type.
980 2006-01-23 Richard Sandiford <richard@codesourcery.com>
982 * gengtype.c (new_structure): Return the structure.
983 (create_option): Add an extra "next" argument.
984 (create_field): New function.
985 (adjust_field_rtx_def): Use create_option and create_field.
986 Remove a now-unnecessary call to find_structure.
987 (adjust_field_tree_def): Likewise.
988 (note_yacc_type): Remove an unnecessary call to find_structure.
989 * gengtype.h (new_structure): Return the structure.
990 (create_option): Add an extra argument.
991 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
992 (option): Adjust calls to create_option.
994 2006-01-22 David Edelsohn <edelsohn@gnu.org>
996 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
998 2006-01-22 Paul Brook <paul@codesourcery.com>
999 Peter Barada <peter@the-baradas.com>
1001 * config/m68k/m68k.md: Add Coldfire FPU support.
1002 Define FP mode macro and associated attributes.
1003 Use it for float mode patterns.
1004 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1005 (LIBCALL_VALUE): Use m68k_libcall_value.
1006 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1007 (m68k_function_value): Ditto.
1008 (emit_move_sequence): Ditto.
1009 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1010 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1011 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1012 (MULTILIB_EXCEPTIONS): Ditto.
1013 * config/m68k/m68k.opt: Add mcfv4e.
1014 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1015 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1016 (m68k_output_function_prologue): Save ColdFire FPU registers.
1017 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1018 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1019 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1020 ColdFire FPU registers.
1021 (m68k_libcall_value, m68k_function_value): New functions.
1022 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1023 (LIBCALL_VALUE): Use m68k_libcall_value.
1024 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1025 (MASK_COLDFIRE): Add MASK_CFV4E.
1026 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1027 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1028 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1029 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1030 (GO_IF_LEGITIMATE_ADDRESS): Use it.
1031 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1032 * doc/invoke.tex: Document -mcfv4e on m68k.
1034 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1036 * doc/contribute.texi: Change CVS to SVN and update the corresponding
1039 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
1042 * c-opts.c (c_common_handle_option): Don't include
1043 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1044 * doc/invoke.texi (C++ Dialect Options): Document that
1045 -Wnon-virtual-dtor is no longer included in -Wall.
1047 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
1049 * gcov.c (print_version), gcov-dump.c (print_version),
1050 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1053 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1055 * df-scan.c (problem_SCAN): Added NULL reset function.
1056 (df_scan_reset_blocks): Added code to call reset block function
1057 (df_bb_refs_delete) Fixed comment.
1058 (df_insn_refs_delete): Made tolerant of deleting non existent info
1059 for dataflow problems that need to be reset.
1060 * df-core.c (df_set_blocks): Ditto.
1061 * df.h (struct df_problem): Added reset_fun.
1062 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1063 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1064 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1065 functions to clear out all references to def-use or use-def chains.
1067 2006-01-21 Ben Elliston <bje@au.ibm.com>
1069 * varasm.c (assemble_real): Initialise data array.
1071 2006-01-20 Paul Brook <paul@codesourcery.com>
1073 Merge from csl-arm-branch.
1074 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1075 * config/arm/arm.md (movdi): Force operands[1] to a register
1076 if we have a non-register source.
1077 (*arm_movdi, *movdf_soft_insn): Require that one of the
1078 operands be a register.
1079 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1080 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1082 2006-01-20 DJ Delorie <dj@redhat.com>
1084 * varasm.c (initialize_constant_valid_p): Allow pointers
1085 initialized from integer constants of lesser precision.
1086 (output_constant): Allow non-int-sized pointer modes to be
1087 initialized from integer constants.
1089 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
1092 * cppdefault.h (struct default_include): Add multilib flag.
1093 * cppdefault.c (cpp_include_defaults): Set it.
1094 * c.opt (-imultilib): New option.
1095 * c-opts.c (imultilib): New.
1096 (c_common_handle_option): Handle -imultilib.
1097 (c_common_post_options): Likewise.
1098 * c-incpath.c (add_standard_paths, register_include_chains):
1100 * c-incpath.h (register_include_chains): Add extra parameter.
1101 * gcc.c (do_spec_1): Generate -imultilib option.
1102 (The Specs Language): Update %I description.
1103 (process_command): Update copyright notice.
1104 * doc/cppopts.texi (-imultilib): Document.
1105 * doc/invoke.texi (-imultilib): Include in option summary.
1106 (%I): Update specs documentation.
1108 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1110 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1112 2006-01-20 Richard Sandiford <richard@codesourcery.com>
1114 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1117 2006-01-20 Richard Guenther <rguenther@suse.de>
1118 Steven Bosscher <stevenb.gcc@gmail.com>
1120 PR rtl-optimization/24626
1121 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1122 EDGE_TRUE_VALUE if in RTL mode.
1125 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1126 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1128 2006-01-20 Dirk Mueller <dmueller@suse.com>
1131 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1132 instead of a special NOP marker.
1133 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1134 NOP marker handling.
1135 * c-common.h (empty_body_warning): Add forward declaration.
1136 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1137 Now uses IS_EMPTY_STMT() instead of special NOP markers.
1139 2006-01-20 Paul Brook <paul@codesourcery.com>
1141 * Makefile.in (lang_checks): Keep going if mkdir fails.
1143 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1145 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1146 be able to clean out basic block when not necessary.
1147 (df_scan_free): Fixed to properly delete information if df is
1148 unused before calling df_finish.
1149 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1150 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1152 (df_bb_refs_delete): New function.
1153 (df_refs_delete): Moved per block code to df_bb_refs_delete.
1154 * df-core.c (df_set_blocks): Added code to properly clean out
1155 unused blocks if they are not part of the blocks to consider.
1156 Added additional null check.
1157 (df_compact_blocks): Added basic block parameter to free_bb_fun to
1158 be able to clean out basic block when not necessary
1159 * df.h (df_free_bb_function): Ditto.
1160 (df_bb_refs_delete): New function.
1161 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1162 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1163 basic block parameter to be able to clean out basic block when not
1165 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1166 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1167 Fixed to properly delete information if df is unused before
1170 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1172 PR rtl-optimization/25799
1173 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1174 Corrected confluence operator to remove bits from op2 before oring
1175 with op1 rather than removing bits from op1.
1176 (df_ru_transfer_function): Corrected test on wrong bitmap which
1177 caused infinite loop. Both of these problems were introduced in
1178 the dataflow rewrite.
1180 2006-01-19 DJ Delorie <dj@redhat.com>
1182 * reload1.c (find_reload_regs): Note the details of reload
1183 failures in the dump file.
1184 (spill_failure): Likewise.
1186 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
1188 * loop-iv.c: Include df.h and hashtab.h.
1189 (enum iv_grd_result): New enum.
1190 (DF_REF_IV, DF_REF_IV_SET): New macros.
1191 (struct biv_entry): New.
1192 (df, bivs): New global variables.
1193 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1194 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1196 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1197 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1198 analyzed_for_bivness_p, record_biv): New functions.
1199 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1200 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1201 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1203 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1205 (iv_number_of_iterations): Use new interface to iv analysis.
1206 * loop-unroll.c: Do not include varray.h.
1207 (analyze_iv_to_split_insn): Use new interface to iv
1209 * loop-unswitch.c (may_unswitch_on): Ditto.
1210 * df.c (df_bitmaps_free): Only work for bbs for that structures are
1212 (df_bb_modify): Realloc tables to the new index.
1213 (df_find_use): New function.
1214 * df.h (df_find_use): Declare.
1215 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1217 * cfgloop.h (struct rtx_iv): Remove analysed field.
1218 (iv_get_reaching_def): Removed.
1219 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1220 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1221 (loop-iv.o): Add df.h and hashtab.h dependency.
1222 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1224 2006-01-20 Alan Modra <amodra@bigpond.net.au>
1226 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1228 (__floatundisf, __floatundidf): Likewise.
1229 * libgcc2.h (IS_IBM_EXTENDED): Define.
1231 2006-01-19 DJ Delorie <dj@redhat.com>
1233 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1235 2006-01-19 Paul Brook <paul@codesourcery.com>
1237 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1238 as nothrow when unwinding tables are disabled.
1240 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1243 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1244 of bit-field" when in system header.
1246 2006-01-19 DJ Delorie <dj@redhat.com>
1248 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1249 the 16 bit shift limit of the m16c.
1251 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
1254 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1255 * config/i386/i386.c (output_set_got): Output the label if we have one
1256 for the TARGET_DEEP_BRANCH_PREDICTION case.
1258 2006-01-19 Jan Hubicka <jh@suse.cz>
1259 H.J. Lu <hongjiu.lu@intel.com>
1260 Evandro Menezes <evandro.menezes@amd.com>
1262 * invoke.texi (generic): Document
1264 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1265 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1266 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1267 (x86_use_incdec, x86_pad_returns): New variables
1268 (TARGET_CPU_DEFAULT_generic): New constant
1269 (TARGET_CPU_DEFAULT_NAMES): Add generic.
1270 (enum processor_type): Add generic32 and generic64.
1271 * i386.md (cpu attribute): Add generic32/generic64
1272 (movhi splitter): Behave sanely when both partial_reg_dependency and
1273 partial_reg_stall are set.
1274 (K8 splitters): Enable for generic as well.
1275 * predicates.md (incdec_operand): Use TARGET_INCDEC
1276 (aligned_operand): Avoid memory mismatch stalls.
1277 * athlon.md: Enable for generic64, new patterns for 128bit moves.
1278 * ppro.md: Enable for generic32
1279 * i386.c (generic64_cost, generic32_cost): New.
1280 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1281 (x86_use_leave): Enable for generic64. (x86_use_sahf,
1282 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
1283 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1284 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1285 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1286 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1287 x86_accumulate_outgoing_args, x86_prologue_using_move,
1288 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1289 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1291 (x86_use_incdec, x86_pad_returns): New.
1292 (override_options): Add generic32 and generic64, translate "generic"
1293 to generic32/generic64 and "i686" to "generic32", refuse
1294 "generic32"/"generic64" as arch target.
1295 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1296 (ix86_reorg): Honor PAD_RETURNS.
1298 2006-01-19 Diego Novillo <dnovillo@redhat.com>
1300 * tree-pretty-print.c (dump_generic_node): Handle
1301 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1302 * cgraph.c (cgraph_expand_queue): Rename from
1303 cgraph_analyze_queue. Update all users.
1304 * cgraphunit.c (cgraph_assemble_pending_functions): Process
1305 cgraph_expand_queue.
1306 (cgraph_expand_all_functions): Likewise.
1307 (cgraph_finalize_pending_functions): Remove. Update callers.
1309 * tree.h (OMP_DIRECTIVE_P): Define.
1310 (OMP_PARALLEL_FN): Define.
1311 (OMP_PARALLEL_DATA_ARG): Define.
1312 (OMP_SECTIONS_SECTIONS): Define.
1313 * tree-pass.h (pass_expand_omp): Declare.
1314 * omp-low.c (struct omp_region): Declare.
1315 (struct omp_context): Remove fields 'parallel_type',
1316 'parallel_start_ix' and 'parallel_start_additional_args'.
1318 (struct omp_for_data): Rename from struct expand_omp_for_data.
1319 (omp_regions): New static variable.
1320 (root_omp_region): New static variable.
1321 (find_omp_clause): Make static.
1322 (is_in_combined_parallel_ctx): Remove.
1323 (is_combined_parallel): New.
1324 (extract_omp_for_data): Move earlier in the file.
1325 (workshare_safe_to_combine_p): New.
1326 (get_ws_args_for): New.
1327 (determine_parallel_type): Move earlier in the file.
1328 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1330 (omp_copy_decl): Likewise.
1331 (create_omp_child_function): Likewise.
1332 (lookup_omp_region): New.
1333 (dump_omp_region): New.
1334 (debug_omp_region): New.
1335 (debug_all_omp_regions): New.
1336 (new_omp_region): New.
1337 (scan_omp_parallel): If parallel_nesting_level > 1, the
1338 directive is nested within another parallel directive.
1339 Set OMP_PARALLEL_FN.
1340 (scan_omp_for): Do not try to handle combined parallel+for
1342 Remove FIXME comment.
1343 (scan_omp_nested): Remove.
1344 (scan_omp_1): Do not call scan_omp_nested when
1345 parallel_nesting_level is > 1.
1346 Do not change the DECL_CONTEXT of local variables found.
1347 (lookup_decl_in_outer_ctx): New.
1348 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1349 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1350 (lower_reduction_clauses): Rename from expand_reduction_clauses.
1351 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1352 If CTX is nested, lookup VAR in the outer context when
1353 building copy assignment.
1354 (lower_send_clauses): Rename from expand_send_clauses.
1355 If CTX is nested, lookup VAR in the outer context when
1356 building copy assignments.
1357 (lower_send_shared_vars): Rename from expand_send_shared_vars.
1358 If CTX is nested, lookup VAR in the outer context when
1359 building copy assignments.
1360 (expand_parallel_call): Rename from build_parallel_call.
1361 Handle combined parallel+workshare cases.
1362 Re-implement to emit code into the CFG.
1364 (expand_omp_parallel): Re-implement to emit code into the CFG.
1365 Call move_sese_region_to_fn to outline the sub-graph
1366 containing the parallel region.
1367 (expand_omp_for_1): Remove.
1368 (expand_omp_for_generic): Re-implement to emit code into the
1370 (expand_omp_for_static_nochunk): Likewise.
1371 (expand_omp_for_static_chunk): Likewise.
1372 (expand_omp_for): Likewise.
1373 (expand_omp_sections): Likewise.
1374 (remove_exit_barriers): New.
1375 (expand_omp_synch): New.
1377 (build_omp_regions_1): New.
1378 (build_omp_regions): New.
1379 (execute_expand_omp): New.
1380 (gate_expand_omp): New.
1381 (pass_expand_omp): Define.
1382 (lower_omp_sections): Rename from expand_omp_sections.
1383 Set OMP_SECTIONS_SECTIONS.
1384 (lower_omp_single_simple): Rename from expand_omp_single_simple.
1385 (lower_omp_single_copy): Rename from expand_omp_single_copy.
1386 (lower_omp_single): Rename from expand_omp_simple.
1387 (lower_omp_master): Rename from expand_omp_master.
1388 (lower_omp_ordered): Rename from expand_omp_ordered.
1389 (lower_omp_critical): Rename from expand_omp_critical.
1390 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1391 (lower_omp_for): Re-implement.
1392 (lower_omp_parallel): Re-implement.
1393 (lower_regimplify): Rename from expand_regimplify.
1394 (lower_omp_1): Rename from expand_omp_1.
1395 If there are syntax errors in the program, replace every
1396 OpenMP directive with NOP.
1397 Call lower_omp_* instead of expand_omp_*.
1398 (lower_omp): Rename from expand_omp.
1400 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1401 * tree-gimple.h (enum omp_parallel_type): Remove.
1402 (gimple_boolify): Declare extern.
1403 (find_omp_clause, determine_parallel_type): Remove.
1405 * gimple-low.c (lower_omp_directive): New.
1406 (lower_stmt): Call it.
1407 (record_vars_into): Move from ...
1408 (record_vars): ... here.
1409 Call record_vars_into with current_function_decl.
1411 * gimplify.c (struct gimplify_ctx): Remove fields
1412 combined_pre_p and combined_ctxp. Update users.
1413 (get_formal_tmp_var): Add documentation.
1414 (gimple_boolify): Make extern.
1415 (gimplify_expr_in_ctx): Remove. Update callers.
1416 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1417 will always be a BIND_EXPR.
1418 (gimplify_expr): Handle OMP_RETURN_EXPR.
1419 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1420 (OMP_PARALLEL): Add 3 operands.
1421 (OMP_SECTIONS): Add 1 operand.
1422 (OMP_RETURN_EXPR): Define.
1424 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1425 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1426 * tree-iterator.c (alloc_stmt_list): Assert that we are not
1427 creating a circular free list.
1428 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1430 * tree-flow.h (move_sese_region_to_fn): Declare.
1431 (record_vars_into): Declare.
1432 * tree-cfg.c (make_omp_sections_edges): New.
1433 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1434 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1435 OMP_SECTIONS and OMP_SECTION.
1436 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1437 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1438 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1439 (gather_blocks_in_sese_region): New.
1440 (struct move_stmt_d): Declare.
1442 (move_block_to_fn): New.
1443 (move_sese_region_to_fn): New.
1445 * passes.c (init_optimization_passes): Schedule
1446 pass_expand_omp after pass_init_datastructures.
1448 * tree-ssa-operands.c (get_expr_operands): Handle
1449 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1450 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1452 2006-01-19 Jeff Law <law@redhat.com>
1454 * tree-vrp.c (extract_range_from_assert): Refine the result range
1455 if the variable referenced by the ASSERT_EXPR has a range and
1456 either the tentative result range or the previous range is a
1459 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1461 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1463 2006-01-19 Jan Hubicka <jh@suse.cz>
1465 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1467 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1469 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1470 (expand_compound_operation, expand_field_assignment): Fail if the
1471 bit lengths of an extract operation are out of range.
1472 (make_extraction): Compute wanted_inner_mode based on the position
1473 and length of the extraction. Make it extraction_mode for non-constant
1474 positions, and do not modify offset in that case. When generating a
1475 new MEM, use a mode that can hold the extraction while keeping correct
1476 alignment. Remove code that supported MEMs wrapped by USEs.
1477 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1479 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1481 * config/s390/s390.md ("Y", "y"): New mode attribute.
1482 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1483 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1484 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1485 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1486 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1487 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1488 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1489 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1490 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1491 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1492 "addsi3", "subsi3"): Insn patterns removed.
1493 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1494 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1495 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1496 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1497 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1498 "*sub<mode>3_cconly2"): New insn patterns.
1499 ("addsi3", "subsi3"): New expanders.
1501 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1503 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1504 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1505 existing STMT_VINFO_VECTYPE if available.
1506 (vect_mark_relevant): Add special handling for stmts that are
1507 marked as STMT_VINFO_IN_PATTERN_P.
1508 (vect_analyze_loop): Call vect_pattern_recog.
1509 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1510 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1512 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1513 (vect_recog_func_ptr): New function-pointer type.
1514 * tree-vect-patterns.c: New file.
1515 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1516 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1517 (vect_pattern_recog_1): New functions.
1518 (vect_pattern_recog_funcs): New array of function pointers.
1520 * tree-vectorizer.h (ternary_op): New enum value.
1521 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1522 declaration. Revised documentation. Removed redundant dump prints.
1523 Removed redundant argument. Added support for reduction patterns.
1524 (vectorizable_reduction): Added support for reduction patterns.
1525 (vect_transform_stmt): Added support for patterns.
1527 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1528 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1529 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1530 (expand_widen_pattern_expr): New function.
1531 (init_optabs): Initialize new optabs udot_prod_optab,
1533 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1534 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1535 (expand_widen_pattern_expr): New function declaration.
1536 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1538 * tree-inline.c (estimate_num_insns_1): Added cases for new
1539 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1540 * tree-pretty-print.c (dump_generic_node): Likewise.
1541 (op_prio): Likewise.
1542 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1543 * tree-ssa-operands.c (get_expr_operands): Added case for
1545 * tree-vect-patterns.c (widened_name_p): New function.
1546 (vect_recog_dot_prod_pattern): Added function implementation.
1547 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1548 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1549 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1550 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1552 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1553 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1554 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1555 (init_optabs): Initialize new optabs widen_ssum_optab,
1557 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1558 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1559 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1560 use instead of type of def.
1561 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1562 function implementation.
1563 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1564 widen_ssumv8hi): New.
1566 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1569 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1572 * c-decl.c (add_flexible_array_elts_to_size): New function.
1573 (finish_decl): Use it.
1575 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1577 * diagnostic.h: Include options.h.
1578 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1579 dependancies for diagnostic.h.
1580 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1582 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1584 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1585 (ssa_ro_call_cache_valid): Ditto.
1586 * tree-ssa-alias.c (sort_tags_by_id): New function.
1587 (init_transitive_clobber_worklist): Ditto.
1588 (add_to_worklist): Ditto.
1589 (mark_aliases_call_clobbered): Ditto.
1590 (compute_tag_properties): Ditto.
1591 (set_initial_properties): Ditto.
1592 (compute_call_clobbered): Ditto.
1593 (compute_may_aliases): Call compute_call_clobbered and grouping.
1594 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1595 (compute_flow_insensitive_aliasing): Grouping now happens in our
1597 (setup_pointers_and_addressables): Remove clobbering related code.
1598 (add_may_alias): Ditto.
1599 (replace_may_alias): Ditto.
1600 (get_nmt_for): Ditto.
1601 (create_global_var):
1602 (is_escape_site): Return an escape_type enumeration.
1603 * tree-flow-inline.h (is_call_clobbered): Global var does not
1604 imply call clobbered.
1605 (mark_call_clobbered): Take a reason for marking this. Remove
1606 marking of globalness, and cache invalidation.
1607 (clear_call_clobbered): Remove cache invalidation code.
1608 * tree-dfa.c (dump_variable): If details is on, dump the reason
1610 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1612 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1613 (struct var_ann_d): Ditto.
1614 (enum escape_type): New.
1615 (mark_call_clobbered): Adjust prototype.
1616 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1617 are never call clobbered.
1618 Record reasons for escaping.
1619 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1620 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1621 (ssa_ro_call_cache_valid): Ditto.
1622 (clobbered_v_may_defs): Ditto.
1623 (clobbered_vuses): Ditto.
1624 (ro_call_vuses): Ditto.
1625 (clobber_stats): New.
1626 (init_ssa_operands): Zero out clobber stats.
1627 (fini_ssa_operands): Print out clobber stats.
1628 (get_call_expr_operands): Pass callee fndecl to
1630 (add_call_clobber_ops): Remove use of cache.
1631 Add use of PURE_CONST information.
1632 (add_call_read_ops): Remove use of cache.
1633 Add use of static not_read information.
1635 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1637 Introduce TLS descriptors for i386 and x86_64.
1638 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1639 (TARGET_ANY_GNU_TLS): New macro.
1640 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1641 (struct machine_function): Add tls_descriptor_call_expanded_p.
1642 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1643 (ix86_current_function_calls_tls_descriptor): Likewise.
1644 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1645 (override_options): Introduce gnu2 tls dialect.
1646 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1648 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1650 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1651 (ix86_init_machine_status): Initialize new field.
1652 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1653 (ix86_tls_module_base): New.
1654 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1655 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1656 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1657 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1658 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1659 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1660 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1661 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1662 * config/i386/predicates.md (tls_modbase_operand): New.
1663 (tp_or_register_operand): New.
1665 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1667 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1668 (look_for_address_of): Ditto.
1669 (ipa_init): Walk the function decls.
1670 (static_execute): Don't set readonly on FUNCTION_DECL's.
1672 2006-01-18 Roger Sayle <roger@eyesopen.com>
1674 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1675 for shifts where the source and destination registers are different.
1677 2006-01-18 Paul Brook <paul@codesourcery.com>
1679 Merge from csl-arm-branch.
1680 2005-03-14 Julian Brown <julian@codesourcery.com>
1681 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1682 (aeabi_llsl): Likewise.
1683 (ashrdi3): Likewise.
1684 (aeabi_lasr): Likewise.
1685 (lshrdi3): Likewise.
1686 (aeabi_llsr): Likewise.
1687 2005-03-10 Julian Brown <julian@codesourcery.com>
1688 * config.gcc: Disable shared libgcc for SymbianOS.
1689 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1691 2006-01-18 DJ Delorie <dj@redhat.com>
1693 * c-pragma.c (handle_pragma_diagnostic): New.
1694 (init_pragma): Register it.
1695 * doc/extend.texi: Document it.
1697 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1698 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1699 (diagnostic_context): Add classify_diagnostic[].
1700 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1701 as errors if they're overridden to DK_WARNING.
1702 (diagnostic_initialize): Initialize classify_diagnostic[].
1703 (diagnostic_set_kind_override): New.
1704 (diagnostic_report_diagnostic): Check for kind changes.
1705 * opts.c (common_handle_option): Take lang_mask. Update callers.
1707 * common.opt (Werror=): New.
1708 * doc/invoke.texi: Document -Werror=*
1710 2006-01-18 Jeff Law <law@redhat.com>
1712 * tree-vrp.c (test_for_singularity): Correct test for new
1713 min limit. Use operand_equal_p rather than pointer equality
1714 for testing if new min/max values are equal.
1716 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1717 using range information until after propagation and folding.
1719 2006-01-18 Richard Henderson <rth@redhat.com>
1720 Aldy Hernandez <aldyh@redhat.com>
1721 Jakub Jelinek <jakub@redhat.com>
1722 Diego Novillo <dnovillo@redhat.com>
1724 * omp-low.c: New file.
1725 * c-omp.c: New file.
1727 2006-01-18 Richard Henderson <rth@redhat.com>
1728 Jakub Jelinek <jakub@redhat.com>
1729 Diego Novillo <dnovillo@redhat.com>
1731 * doc/invoke.texi: Document -fopenmp.
1732 * tree-dump.h (debug_function): Declare.
1733 * hooks.c (hook_bool_tree_bool_false): New function.
1734 (hook_tree_tree_null): Remove.
1735 (hook_tree_tree_tree_null): New.
1736 * hooks.h: Update to match.
1737 * tree-pretty-print.c (debug_tree_chain): New.
1738 (print_generic_expr): Handle TDF_CHAIN.
1739 (dump_generic_node): Handle BLOCK.
1740 Do not abort with incomplete SWITCH_EXPRs.
1741 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1742 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1743 print space after directive name.
1744 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1745 Handle OMP_MASTER and OMP_ORDERED.
1746 Handle printing of OMP_BODY just in one place, goto
1747 dump_omp_body in the rest of OMP_* nodes that have
1749 Don't handle clause nodes here. Update omp statements to
1750 use dump_omp_clauses.
1751 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1752 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1753 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1754 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1755 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1756 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1757 Adjust output for GOMP_PARALLEL.
1758 (dump_omp_clauses): New.
1759 (print_declaration): Dump DECL_VALUE_EXPR.
1760 (op_symbol_1): Split out of op_symbol.
1761 (dumping_stmts): Remove. Update all users.
1762 * cgraph.c (cgraph_analyze_queue): New.
1763 (cgraph_add_new_function): New.
1764 * cgraph.h (cgraph_analyze_queue): Declare.
1765 (cgraph_add_new_function): Declare.
1766 (cgraph_lower_function): Remove.
1767 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1768 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1769 and TYPE_P nodes in its default clause.
1770 (empty_body_p): New.
1771 (tree_range_check_failed): New.
1773 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1774 OMP_CLAUSE_REDUCTION_MERGE,
1775 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1776 OMP_CLAUSE_PRIVATE_DEBUG,
1777 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1778 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1779 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1780 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1781 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1782 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1783 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1784 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1785 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1786 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1787 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1788 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1789 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1790 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1791 (TREE_RANGE_CHECK): New.
1792 (empty_body_p): Declare.
1793 (enum omp_clause_default_kind): New.
1794 (build_string_literal): Declare.
1795 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1796 (build5_stat, build5): Declare.
1797 * tree-pass.h (TDF_CHAIN): Define.
1798 * tree-pass.h (PROP_gimple_lomp): Define.
1799 (pass_lower_omp): Declare.
1800 * diagnostic.h (debug_tree_chain): Declare.
1801 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1803 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1804 * builtins.c (build_string_literal): Make extern.
1805 * gcc.c (include_spec_function): New.
1806 (static_spec_functions): Add it.
1807 (main): Move load of libgomp.spec ...
1808 (LINK_COMMAND_SPEC): ... here.
1809 (link_gomp_spec): New.
1810 (static_specs): Include it.
1811 (LINK_COMMAND_SPEC): Add link_gomp.
1812 (GOMP_SELF_SPECS): New.
1813 (driver_self_specs): Include it.
1814 (switch_matches): Don't mark inline.
1815 (main): Load libgomp.spec.
1816 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1817 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1818 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1819 * tree-gimple.h (enum omp_parallel): Declare.
1820 (determine_parallel_type): Declare.
1821 (omp_firstprivatize_variable): Declare.
1822 (omp_reduction_init): Declare.
1823 (diagnose_omp_structured_block_errors): Declare.
1824 (struct walk_stmt_info): Add want_return_expr.
1825 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1826 (find_omp_clause): Declare.
1827 (insert_field_into_struct): Declare.
1828 (struct walk_stmt_info): Move from tree-nested.c
1829 (walk_stmts): Declare.
1830 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1832 * cgraphunit.c (cgraph_lower_function): Make static.
1833 (cgraph_finalize_pending_functions): New.
1834 (cgraph_finalize_function): Call it.
1835 (cgraph_finalize_compilation_unit): Likewise.
1836 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1837 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1838 (BT_FN_UINT_UINT): New.
1839 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1840 DEF_FUNCTION_TYPE_VAR_4): Document.
1841 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1842 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1843 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1844 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1845 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1846 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1847 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1848 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1849 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1850 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1851 into separate files.
1852 (DEF_GOMP_BUILTIN): New.
1853 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1854 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1855 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1856 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1857 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1858 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1859 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1860 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1861 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1862 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1863 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1864 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1865 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1866 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1867 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1868 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1869 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1870 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1871 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1872 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1873 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1874 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1875 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1876 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1877 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1878 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1879 * sync-builtins.def: New file, moved from builtins.def.
1880 * omp-builtins.def: New file, moved from builtins.def.
1881 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1882 * gimple-low.c (lower_function_body): Clear data.
1883 (lower_stmt): Do not handle COMPOUND_EXPR.
1884 Remove call to print_node_brief.
1885 * c-tree.h (c_finish_omp_clauses): New prototype.
1886 (C_DECL_THREADPRIVATE_P): Define.
1887 (lookup_name_no_remap, c_omp_remap_private): Remove
1888 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1889 (check_for_loop_decls): Update decl.
1890 (lookup_name_no_remap, c_omp_remap_private): Declare.
1891 (build_indirect_ref, build_modify_expr, pushdecl,
1892 pushdecl_top_level): Move to c-common.h.
1893 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1894 before the switch, but just in the 2 places that need it.
1895 * c-decl.c (diagnose_mismatched_decls): Do not check for
1896 mismatched thread-local attributes when OLDDECL is marked
1897 threadprivate and NEWDECL has no thread-local attributes.
1898 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1899 (c_gimple_diagnostics_recursively): Rename from
1900 c_warn_unused_result_recursively. Invoke
1901 diagnose_omp_structured_block_errors.
1902 (check_for_loop_decls): Return a singular decl found.
1903 * langhooks.c (lhd_omp_predetermined_sharing): Return
1904 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1905 (lhd_omp_firstprivatize_type_sizes): New.
1906 (lhd_omp_assignment): New.
1907 (lhd_omp_predetermined_sharing): New.
1908 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1909 (struct lang_hooks_for_types): Add
1910 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1911 omp_predetermined_sharing, omp_disregard_value_expr,
1912 omp_private_debug_clause, omp_clause_default_ctor,
1913 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1914 (c_finish_omp_clauses): New.
1915 (c_finish_bc_stmt): Diagnose break within omp for.
1916 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1917 (build_unary_op): Return error_mark after reporting
1919 (build_modify_expr): Likewise.
1920 * gimplify.c: Include optabs.h and pointer-set.h.
1921 (enum gimplify_omp_var_data): Declare.
1922 (struct gimplify_omp_ctx): Declare.
1923 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1925 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1926 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1927 (splay_tree_compare_decl_uid): New.
1928 (new_omp_context): New.
1929 (delete_omp_context): New.
1930 (gimple_add_tmp_var): Call omp_add_variable.
1931 (gimplify_bind_expr): Likewise.
1932 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1933 true, disregard DECL_VALUE_EXPR on the decl if any.
1934 (gimplify_expr_in_ctx): New.
1935 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1936 omp_add_variable, omp_notice_variable, omp_is_private
1937 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1938 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1939 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1940 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1941 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1942 gimplify_omp_atomic): New.
1943 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1944 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1945 OMP_CRITICAL and OMP_ATOMIC.
1946 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1947 * c-pragma.h (enum pragma_kind): Add
1948 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1949 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1950 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1951 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1952 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1953 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1954 PRAGMA_OMP_THREADPRIVATE.
1955 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1956 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1957 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1958 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1959 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1960 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1961 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1962 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1963 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1964 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1965 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1966 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1967 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1969 (struct nesting_info): Add field_map,
1970 suppress_expansion, debug_var_chain.
1971 (create_nesting_tree): Initialize them.
1972 (lookup_field_for_decl): Use field_map.
1973 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1974 (convert_local_omp_clauses): New.
1975 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1976 (walk_body): Split out of walk_function.
1977 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1978 (convert_nonlocal_reference): Handle omp statements.
1979 (convert_local_reference): Likewise.
1980 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1981 (unnest_nesting_tree): New.
1982 (lower_nested_functions): Call it.
1983 (insert_field_into_struct): Make extern.
1984 (struct walk_stmt_info): Move to tree-gimple.h.
1985 (walk_stmts): Make extern.
1986 * omp-builtins.def: New file.
1987 * tree-iterator.c (expr_only): Clarify comment.
1988 * c-common.h (pushdecl_top_level, pushdecl,
1989 build_modify_expr, build_indirect_ref,
1990 c_finish_omp_master, c_finish_omp_critical,
1991 c_finish_omp_ordered, c_finish_omp_barrier,
1992 c_finish_omp_atomic, c_finish_omp_flush,
1993 c_finish_omp_for, c_split_parallel_clauses,
1994 omp_clause_default_kind, c_omp_sharing_predetermined,
1995 c_omp_remap_decl): Declare.
1996 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1997 (OBJS-common): Add omp-low.o.
1998 (c-omp.o, omp-low.o): Add.
1999 (gimplify.o): Add dependency on $(OPTABS_H).
2000 (GTFILES): Add omp-low.c.
2001 (gt-stringpool.h): Add.
2002 * tree-cfg.c (set_bb_for_stmt): Do not update the
2003 block-to-labels map if we are currently expanding to RTL.
2004 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2006 Handle IDENTIFIER_NODE.
2007 (tree_verify_flow_info): Do not ICE when emitting error
2008 messages about invalid labels.
2009 (dump_function_to_file): Reset CFUN before emitting the body
2011 (debug_function): New.
2012 * passes.c (init_optimization_passes): Schedule
2014 * langhooks-def.h (lhd_omp_predetermined_sharing,
2015 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2017 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2018 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2019 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2020 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2021 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2022 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2023 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2024 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2025 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2026 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2027 (LANG_HOOK_DECLS): Use them.
2029 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2030 Richard Henderson <rth@redhat.com>
2031 Jakub Jelinek <jakub@redhat.com>
2032 Diego Novillo <dnovillo@redhat.com>
2034 * c-parser.c (pragma_omp_clause): Define.
2035 (c_parser_declaration_or_fndef): Document OpenMP syntax.
2036 (c_parser_compound_statement): Likewise.
2037 (c_parser_statement): Likewise.
2038 (c_parser_pragma): Handle omp pragmas.
2039 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2040 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2041 (c_parser_omp_clause_name, check_no_duplicate_clause,
2042 c_parser_omp_variable_list,
2043 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2044 c_parser_omp_clause_copyprivate,
2045 c_parser_omp_clause_default,
2046 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2047 c_parser_omp_clause_lastprivate,
2048 c_parser_omp_clause_nowait,
2049 c_parser_omp_clause_num_threads,
2050 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2051 c_parser_omp_clause_reduction,
2052 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2053 c_parser_omp_all_clauses, c_parser_omp_structured_block,
2054 c_parser_omp_atomic, c_parser_omp_barrier,
2055 c_parser_omp_critical, c_parser_omp_flush,
2056 c_parser_omp_for_loop, c_parser_omp_for,
2057 c_parser_omp_master, c_parser_omp_ordered,
2058 c_parser_omp_sections_scope, c_parser_omp_sections,
2059 c_parser_omp_parallel, c_parser_omp_single,
2060 c_parser_omp_construct, c_parser_omp_threadprivate): New.
2061 * c-pragma.c (init_pragma): Do omp pragma registration here.
2062 * c.opt (fopenmp): New flag.
2064 2006-01-18 Eric Christopher <echristo@apple.com>
2066 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2067 * config/darwin.h (GOMP_SELF_SPECS): Define.
2069 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2071 * rtl.h: Remove the prototype for reg_alloc.
2073 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2076 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2077 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2078 sjlj and dwarf2 exception handling.
2079 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2080 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2081 * pa/pa.c (function_value): Treat complex and vector types as
2083 (function_arg): Likewise. Only pass scalar floats in the floating
2084 point argument registers.
2085 * pa/t-slibgcc-dwarf-ver: New file.
2086 * pa/t-slibgcc-sjlj-ver: New file.
2087 * pa/t-slibgcc-elf-ver: Delete file.
2089 2006-01-19 Alan Modra <amodra@bigpond.net.au>
2091 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2092 unlikely_test_section_p test.
2094 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2096 * mode-switching.c (optimize_mode_switching): Make it static.
2097 * basic-block.h: Remove the prototype for
2098 optimize_mode_switching.
2100 * modulo-sched.c (sms_schedule): Make it static.
2101 * rtl.h: Remove the prototype for sms_schedule.
2103 * postreload-gcse.c (gcse_after_reload_main): Make it static.
2104 * rtl.h: Remove the prototype for gcse_after_reload_main.
2106 * reg-stack.c (reg_to_stack): Make it static.
2107 * rtl.h: Remove the prototype for reg_to_stack.
2109 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2111 * rtl.h: Remove the prototypes for regrename_optimize and
2112 copyprop_hardreg_forward.
2114 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
2116 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2117 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
2118 Test against the appropriate null constant for the mode.
2119 If 'fixup_overlap' is true, swap the operands if they overlap.
2120 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2121 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2122 alpha_split_tmode_pair and adjust for above change.
2123 * config/alpha/alpha.md (movtf_internal): Adjust call to
2124 alpha_split_tfmode_pair and rely on it to swap the operands.
2125 (movti_internal): New insn and post-reload splitter.
2126 (movti): New expander.
2128 2006-01-18 Philippe De Muyter <phdm@macqel.be>
2130 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2133 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
2135 * rtlanal.c (global_reg_mentioned_p_1,
2136 global_reg_mentioned_p): Remove.
2137 * rtl.h: Remove the prototype for global_reg_mentioned_p.
2139 * flow.c (initialize_uninitialized_subregs): Make it static.
2140 * rtl.h: Remove the prototype for
2141 initialize_uninitialized_subregs.
2143 * function.c (instantiate_virtual_regs): Make it static.
2144 * function.h: Remove the prototype for
2145 instantiate_virtual_regs.
2147 * regmove.c (regmove_optimize, combine_stack_adjustments):
2149 * rtl.h: Remove the prototypes for regmove_optimize and
2150 combine_stack_adjustments.
2152 2006-01-17 Roger Sayle <roger@eyesopen.com>
2154 * config/i386/i386.c (COSTS_N_BYTES): New macro.
2155 (size_cost): Encode costs in bytes so that a reg-reg addition is
2156 equivalent to COSTS_N_INSNS(1).
2157 (override_options): Use the size_cost.branch_cost as the default
2158 ix86_branch_cost when optimizing for size.
2160 2006-01-18 Ben Elliston <bje@au.ibm.com>
2162 * Makefile.in (D32PBIT_FUNCS): New.
2163 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2164 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2165 D64PBIT_FUNCS and D128PBIT_FUNCS.
2166 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2167 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2169 (decnumber_dep): Define.
2170 * doc/libgcc.texi (Decimal float library routines): New node.
2171 * config/dfp-bit.h, config/dfp-bit.c: New files.
2173 2006-01-18 Ben Elliston <bje@au.ibm.com>
2175 * expr.c (emit_move_change_mode): Always adjust addresses, not
2176 just during reload. Copy replacements only during reload.
2177 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2178 emit_move_via_integer.
2180 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
2182 * Makefile.in (check-%, check-consistency): Use $${srcdir}
2183 instead of $(srcdir) and ${srcdir}.
2185 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
2189 * arm.h (struct machine_function): Add pic_reg.
2190 * arm.c (arm_pic_register): Make unsigned.
2191 (arm_override_options): Only set arm_pic_register if
2192 TARGET_SINGLE_PIC_BASE.
2193 (use_return_insn): Only test for a pic register if it is fixed.
2194 (arm_compute_save_reg0_reg12_mask): Likewise.
2195 (thumb_compute_save_reg_mask): Likewise.
2196 (legitimate_pic_operand): Factor out some known invariants.
2197 (legitimize_pic_address): If we don't have a fixed pic register,
2198 then set up a pseudo in the function entry sequence. Handle the
2199 pic base being in a pseudo.
2200 (arm_load_pic_register): Handle the pic register being in a pseudo.
2201 (arm_expand_prologue): Only set up the pic register if it is fixed.
2202 (thumb_expand_prologue): Likewise.
2203 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2204 (pic_load_addr_based_insn): Likewise.
2205 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2208 2006-01-18 Ben Elliston <bje@au.ibm.com>
2210 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2211 decimal float modes for all floating point registers.
2213 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2214 match_code "mem" with match_test "macho_lo_sum_memory_operand".
2216 2006-01-17 Jakub Jelinek <jakub@redhat.com>
2219 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2220 even when the pointer is not NULL.
2222 2006-01-16 Ian Lance Taylor <ian@airs.com>
2224 * common.opt (ftoplevel-reorder): New option.
2225 * cgraph.c (cgraph_asm_nodes): New global variable.
2226 (cgraph_asm_last_node): New static variable.
2227 (cgraph_order): New global variable.
2228 (cgraph_create_node): Set new order field.
2229 (cgraph_varpool_node): Likewise.
2230 (decide_is_variable_needed): Return true if not
2231 flag_toplevel_reorder.
2232 (cgraph_add_asm_node): New function.
2233 * cgraph.h (struct cgraph_node): Add order field.
2234 (struct cgraph_varpool_node): Add order field.
2235 (struct cgraph_asm_node): Define.
2236 (cgraph_asm_nodes, cgraph_order): Declare.
2237 (cgraph_add_asm_node): Declare.
2238 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2240 (cgraph_varpool_assemble_pending_decls): Call it.
2241 (cgraph_output_pending_asms): New static function.
2242 (cgraph_finalize_compilation_unit): Call it.
2243 (struct cgraph_order_sort): Define.
2244 (cgraph_output_in_order): New static function.
2245 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
2246 !flag_toplevel_reorder case.
2247 * c-parser.c: Include "cgraph.h".
2248 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2250 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2251 than -fno-unit-at-a-time.
2252 * doc/invoke.texi (Option Summary): Mention
2253 -fno-toplevel-reorder.
2254 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
2255 -funit-at-a-time documentation.
2257 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
2258 Kazu Hirata <kazu@codesourcery.com>
2260 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2262 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
2264 * Makefile.in (FUNCTION_H): New. Use it instead of
2265 function.h throughout the file.
2266 * function.h: Include tree.h.
2268 2006-01-17 Ben Elliston <bje@au.ibm.com>
2270 * recog.c: Separate some functions with whitespace.
2272 2006-01-16 Richard Henderson <rth@redhat.com>
2274 Merge from gomp branch:
2275 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
2276 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2277 and rename from struct inline_data. Rename callee* to dst*;
2278 caller* to src*; add copy_decl hook, transform_call_graph_edges,
2279 transform_new_cfg, transform_return_to_modify, and
2280 transform_lang_insert_block flags; remove cloning_p, versioning_p,
2282 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2283 (copy_decl_for_dup): Remove.
2284 * tree-inline.c (struct inline_data): Move to header.
2285 (insert_decl_map): Export.
2286 (remap_decl): Update for member name changes. Use copy_decl hook.
2287 Allow for replacement to be a non-decl. Remove dead code.
2288 (remap_type_1): Check for existing mapping.
2289 (remap_type): Export.
2290 (remap_decls): Update for member name changes.
2291 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2292 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2293 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2294 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2295 (tree_function_versioning, build_duplicate_type): Likewise.
2296 (copy_body_r): Likewise. Export.
2297 (copy_decl_for_dup): Split into ...
2298 (copy_decl_for_dup_finish, copy_decl_to_var,
2299 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2300 (replace_ref_tree, inlining_p): Remove.
2302 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2304 * ifcvt.c (if_convert): Make it static.
2305 * rtl.h: Remove the prototype for if_convert.
2307 * local-alloc.c (local_alloc): Make it static.
2308 * rtl.h: Remove the prototype for local_alloc.
2310 * loop.c (loop_optimize): Make it static.
2311 * cfgloop.h: Remove the prototype for loop_optimize.
2314 2006-01-16 DJ Delorie <dj@redhat.com>
2316 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2319 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2321 * pa.md: Disparage copies between general and floating-point registers
2322 in 32-bit move patterns.
2324 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
2327 * Makefile.in (check-%): Depend on site.exp instead of
2328 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2331 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2333 * global.c (global_alloc): Make it static.
2334 * rtl.h: Remove the prototype for global_alloc.
2336 2006-01-16 Richard Guenther <rguenther@suse.de>
2338 * tree-ssa-alias.c (struct used_part): Add write_only field.
2339 (get_or_create_used_part_for): Initialize it to true.
2340 (create_overlap_variables_for): Don't create structure variables
2341 for structures that only are written to.
2342 (find_used_portions): Handle MODIFY_EXPR to track whether a
2343 structure is only written to.
2345 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2347 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2349 * basic-block.h: Remove the prototype for
2350 partition_hot_cold_basic_blocks.
2352 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
2354 * cppspec.c (lang_specific_spec_functions): Remove.
2355 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2356 * gcc.h (lang_specific_spec_functions): Remove.
2357 * gccspec.c (lang_specific_spec_functions): Remove.
2359 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
2361 * combine.c (record_value_for_reg): Invalidate registers
2363 (record_dead_and_set_regs_1): Likewise, by passing them to
2364 record_value_for_reg.
2365 (record_dead_and_set_regs): Invalidate stores made by a
2366 call. We do not combine across a call, but we still
2367 relied on equivalences.
2369 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2371 * tree-vrp.c (extract_range_from_binary_expr): Cope with
2372 vrp_int_const_binop returning non-constant nodes.
2374 2006-01-16 Paul Brook <paul@codesourcery.com>
2376 * config/m68k/m68k.c (output_move_const_into_data_reg):
2377 Output correct mnemonic for mvz and mvs.
2379 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
2381 * rtl-factoring.c: Add sequence abstraction algorithm.
2382 * cfgcleanup.c (outgoing_edges_match): Extra checks.
2383 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2385 (block_has_preserve_label): New function.
2386 * common.opt: Register new pass.
2387 * Makefile.in: Ditto.
2389 * timevar.def: Ditto.
2390 * tree-pass.h: Ditto.
2391 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2392 * rtl.h (make_jump_insn_raw): Add forward decl.
2393 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2395 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
2396 Roger Sayle <roger@eyesopen.com>
2398 * fold-const.c (fold_minmax): New static function.
2399 (fold_binary) <MIN_EXPR>: Call it.
2400 <MAX_EXPR>: Likewise.
2401 * stor-layout.c (place_field): Use DECL_SIZE consistently
2402 in the computation of the new record size.
2404 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
2406 * cse.c (cse_condition_code_reg): Make it static.
2407 * rtl.h: Remove the prototype for cse_condition_code_reg.
2409 * combine.c (combine_instructions): Make it static.
2410 * rtl.h: Remove the prototype for combine_instructions.
2412 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2415 * tree.c (get_file_function_name_long): Concatenate the first global
2416 object name with a string derived from the input filename of the object
2419 2006-01-16 Ben Elliston <bje@au.ibm.com>
2421 * config/i386/winnt-stubs.c: Update FSF address.
2422 * config/xtensa/ieee754-df.S: Ditto.
2423 * config/xtensa/ieee754-sf.S: Ditto.
2425 2006-01-14 Ian Lance Taylor <ian@airs.com>
2427 * ifcvt.c (noce_init_if_info): New static function, broken out of
2428 noce_process_if_block.
2429 (noce_process_if_block): Call noce_init_if_info.
2430 (check_cond_move_block): New static function.
2431 (cond_move_process_if_block): New static function.
2432 (process_if_block): Call cond_move_process_if_block.
2434 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2436 * cselib.c (hash_table): Rename to cselib_hash_table.
2437 (cselib_clear_table, discard_useless_values,
2438 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2439 cselib_init, cselib_finish): Adjust uses of hash_table.
2441 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2443 PR tree-optimization/25485
2444 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2445 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2446 is known to be false and true, respectively.
2448 2006-01-14 Richard Guenther <rguenther@suse.de>
2450 PR tree-optimization/22548
2451 PR tree-optimization/22555
2452 PR tree-optimization/22501
2453 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2454 * params.def (salias-max-array-elements): New parameter.
2455 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2456 * doc/invoke.texi (salias-max-array-elements): Document.
2457 * tree-flow-inline.h (var_can_have_subvars): We also handle
2459 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2461 * tree-ssa-structalias.c (params.h): Include.
2462 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2463 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2464 (get_constraint_for): For ADDR_EXPR operating on something
2465 containing an ARRAY_REF, add all subvars to the solution.
2466 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2467 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2468 for creating MUST_DEFs.
2469 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2471 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2473 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2475 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2476 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2477 number_of_iterations_le): New functions.
2478 (number_of_iterations_special): Removed.
2479 (number_of_iterations_exit): Do not use number_of_iterations_special.
2480 * tree.c (unsigned_type_for): Always return integer type.
2482 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2483 Richard Guenther <rguenther@suse.de>
2485 PR rtl-optimization/24257
2486 * gcse.c (find_moveable_store): Only consider a store movable
2487 when the SET_SRC of the insn can be assigned to a register.
2489 2006-01-14 Ian Lance Taylor <ian@airs.com>
2491 * tree.c (tree_not_class_check_failed): New function.
2492 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2493 (tree_not_class_check_failed): Declare.
2495 2006-01-13 Ian Lance Taylor <ian@airs.com>
2497 * reload1.c (do_output_reload): Add assertion rejecting a
2500 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2502 * combine.c (struct reg_stat): Add new fields truncation_label and
2504 (record_value_for_reg): Reset truncated_to_mode.
2505 (record_truncated_value): New function.
2506 (check_promoted_subreg): Call it. Rename to check_conversions.
2507 (combine_instructions): Rename check_promoted_subreg to
2509 (reg_truncated_to_mode): New function.
2510 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2511 (gen_lowpart_or_truncate): New function.
2512 (force_to_mode): Use it instead of gen_lowpart.
2514 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2516 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2517 VAR is a tag, not its type tag.
2519 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2521 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2522 alternatives to match style of other entries.
2523 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2525 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2527 PR tree-optimization/25771
2528 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2531 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2534 * tree-inline.c (declare_return_variable): If the return variable
2535 was marked as a non gimple complex, set the return slot variable
2536 to be a non gimple comple variable.
2538 2006-01-13 Richard Guenther <rguenther@suse.de>
2540 * builtins.c (expand_builtin_sincos): New function.
2541 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2543 (expand_builtin): Expand sincos using expand_builtin_sincos.
2545 2006-01-12 DJ Delorie <dj@redhat.com>
2547 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2548 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2549 so that constant shifts can be split.
2550 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2551 (m32c_valid_pointer_mode): Make static.
2552 (shift_gen_func_for): New.
2553 (m32c_prepare_shift): Use it. Split large const shifts into
2555 * config/m32c/predicates.md (shiftcount_operand): Allow more
2557 (longshiftcount_operand): New.
2558 * doc/md.texi (Machine Constraints): Document In6.
2560 2006-01-13 Ben Elliston <bje@au.ibm.com>
2562 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2563 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2566 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2568 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2569 to try to avoid clobbering pieces of structures when we know
2570 something about the whole structure.
2571 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2573 2006-01-13 Ben Elliston <bje@au.ibm.com>
2575 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2576 return in memory, as this is no limitation is no longer present.
2578 2006-01-12 DJ Delorie <dj@redhat.com>
2580 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2581 mova with fb, and for fb+0 -> An.
2583 * config/m32c/mov.md (peephole2): Fix enabling logic.
2585 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2586 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2587 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2588 FINI_ARRAY_SECTION_ASM_OP): Define.
2590 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2592 (m32c_legitimize_reload_address): New logic to reload FB to An.
2593 (m32c_output_reg_push): Add newline.
2594 (m32c_output_reg_pop): Likewise.
2596 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2598 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2600 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2602 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2604 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2606 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2609 2006-01-11 Ben Elliston <bje@au.ibm.com>
2611 * rtlanal.c (find_reg_note): Assert insn is not null.
2613 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2615 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2618 2006-01-11 Jeff Law <law@redhat.com>
2620 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2622 (mark_threaded_blocks, register_jump_thread): New functions.
2623 (thread_through_all_blocks): Remove unwanted argument. No
2624 longer rely on e->aux to communicate thread target info.
2625 Call mark_threaded_blocks. Release the threaded_blocks
2626 bitmap and threaded_edges vector when complete.
2627 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2628 (threaded_blocks): Remove.
2629 (tree_ssa_dominator_optimize): Remove initialization and
2630 finalization of threaded_blocks. Simplify call to
2631 thread_through_all_blocks.
2632 (thread_across_edge): Call register_jump_thread rather than
2633 storing thread information into e->aux.
2634 (free_all_edge_infos): Simplify now that e->aux is no longer
2635 used to communicate with thread_through_all_blocks.
2636 * tree-flow.h (thread_through_all_blocks): Update prototype.
2637 (register_jump_thread): Prototype.
2639 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2641 * df-core.c (df_compact_blocks, df_bb_replace): Use
2642 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2644 2006-01-11 Richard Guenther <rguenther@suse.de>
2646 PR tree-optimization/25734
2647 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2648 stop propagation after successful propagation to the LHS.
2650 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2652 * basic-block.h (control_flow_graph): Change the type of
2653 x_basic_block_info to VEC(basic_block,gc) *.
2654 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2656 (SET_BASIC_BLOCK): New.
2657 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2658 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2659 * cfgbuild.c (find_basic_blocks): Likewise.
2660 * cfglayout.c (fixup_reorder_chain): Likewise.
2661 * cfgrtl.c (create_basic_block_structure,
2662 rtl_create_basic_block): Likewise.
2663 * ifcvt.c (find_if_case_1): Likewise.
2664 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2667 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2669 * Makefile.in: Removed rotted odf.c entry.
2671 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2674 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2675 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2676 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2677 output pattern modifier, not %e.
2678 * config/cris/cris.c (cris_op_str): Update comment about pattern
2680 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2681 before falling through into...
2682 <case 'E'>: Redefined from old 'e' case.
2684 2006-01-11 Jan Hubicka <jh@suse.cz>
2687 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2689 2006-01-11 Jan Hubicka <jh@suse.cz>
2691 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2692 * i386.c (x86_decompose_lea): Kill.
2693 (ix86_rtx_costs): Kill.
2695 2006-01-11 Jan Hubicka <jh@suse.cz>
2697 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2698 * cgraph.h (cgraph_node): Add inline_decl.
2699 (cgraph_insert_node_to_hashtable): Declare.
2700 (save_inline_function_body): Declare.
2701 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2703 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2704 (cgraph_function_versioning): Update call of tree_function_versioning.
2705 (save_inline_function_body): New function.
2706 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2707 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2708 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2709 (cgraph_default_inline_p): Likewise.
2710 (cgraph_decide_inlining_incrementally): Likewise.
2711 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2712 (copy_bb): Kill saving; do updating of clones.
2713 (copy_cfg_body): Kill saving.
2714 (initialize_inlined-parameters): Likewise.
2715 (expand_call_inline): Likewise.
2717 (tree_function_versioning): New parameter "update_clones".
2718 (inlining_p): Kill saving.
2719 * tree-inline.h (tree_function_versioning): Update prototype.
2720 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2723 2006-01-11 Ian Lance Taylor <ian@airs.com>
2725 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2726 Allow undoing set of machine mode.
2727 (do_SUBST): Use enums instead of is_int.
2728 (do_SUBST_MODE): New function.
2729 (SUBST_MODE): New macro.
2730 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2731 reg and trying to replace reg_regno_rtx with a new register.
2732 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2733 (simplify_set): Use SUBST_MODE.
2734 (distribute_notes): Remove code that tried to update reg notes
2735 for regno_reg_rtx changes.
2737 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2739 PR tree-optimization/23109
2740 PR tree-optimization/23948
2741 PR tree-optimization/24123
2743 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2744 * tree-cfg.c (single_noncomplex_succ): New.
2745 * tree-flow.h (single_noncomplex_succ): Declare it.
2746 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2747 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2748 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2749 insert_bb, register_division_in, insert_reciprocals,
2750 replace_reciprocal, free_bb): New.
2751 (execute_cse_reciprocals_1): Rewritten.
2752 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2753 Do not commit any edge insertion. Always compute dominators and
2754 create the allocation pool.
2755 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2756 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2757 * targhooks.c (default_min_divistions_for_recip_mul): New.
2758 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2759 * passes.c (init_optimization_passes): Run recip after tree loop
2761 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2763 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2764 Kenneth Zadeck <zadeck@naturalbridge.com>
2766 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2767 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2768 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2769 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2770 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2771 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2772 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2773 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2774 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2775 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2776 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2777 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2778 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2779 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2780 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2781 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2782 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2783 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2784 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2785 DF_SCAN_POST_ALLOC): New macros.
2786 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2787 df_free_bb_function, df_local_compute_function, df_init_function,
2788 df_dataflow_function, df_confluence_function_0,
2789 df_confluence_function_n, df_transfer_function,
2790 df_finalizer_function, df_free_function, df_dump_problem_function,
2791 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2792 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2793 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2794 df_urec_bb_info, ) New types.
2795 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2797 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2798 df_analyze_simple_change_some_blocks,
2799 df_analyze_simple_change_one_block, df_compact_blocks,
2800 df_bb_replace, df_bb_regno_last_use_find,
2801 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2802 df_insn_regno_def_p, df_find_def, df_find_use,
2803 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2804 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2805 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2806 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2807 debug_df_chain, df_get_dependent_problem, df_chain_create,
2808 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2809 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2810 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2811 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2812 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2813 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2814 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2815 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2816 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2817 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2818 df_reorganize_refs, df_set_state, df_hard_reg_init,
2819 df_read_modify_subreg_p) New public functions.
2820 * df-core.c: The core dataflow solver and glue routines for rtl
2822 (df_init, df_add_problem, df_set_blocks, df_finish,
2823 df_hybrid_search_forward, df_hybrid_search_backward,
2824 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2825 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2826 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2827 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2828 df_reg_defined, df_find_use, df_reg_used, df_dump,
2829 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2830 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2831 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2832 debug_df_useno, reset_df_after_reload): New functions.
2833 * df-scan.c: The scanning fuctions, once in df.c, completely
2834 rewritten so that they now fully model the functionality of
2835 register usage at the backend.
2836 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2837 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2838 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2839 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2840 df_get_artificial_defs, df_get_artificial_uses,
2841 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2842 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2843 df_refs_delete, df_reorganize_refs, df_set_state,
2844 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2845 df_def_record_1, df_defs_record, df_uses_record,
2846 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2847 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2848 df_record_exit_block_uses, df_hard_reg_init): New functions.
2850 * df-problems.c: Seven concrete dataflow problems that use the
2851 scanning in df-scan.c and are solved by the engine in df-core.c.
2852 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2853 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2854 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2855 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2856 df_ru_free_bb_info, df_ru_alloc,
2857 df_ru_bb_local_compute_process_def,
2858 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2859 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2860 df_ru_transfer_function, df_ru_free, df_ru_dump,
2861 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2862 df_rd_free_bb_info, df_rd_alloc,
2863 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2864 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2865 df_rd_transfer_function, df_rd_free, df_rd_dump,
2866 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2867 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2868 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2869 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2870 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2871 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2872 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2873 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2874 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2875 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2876 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2877 df_urec_mark_reg_use_for_earlyclobber,
2878 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2879 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2880 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2881 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2882 df_chain_create_bb_process_use, df_chain_create_bb,
2883 df_chain_finalize, df_chain_free, df_chains_dump,
2884 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2885 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2886 df_reg_lifetime): New functions.
2887 * df.c: Deleted file.
2888 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2889 consistent with new df api.
2890 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2891 rest_of_handle_sms): Ditto.
2892 * web.c (unionfind_union, union_defs, entry_register, web_main):
2894 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2895 invariant_expr_equal_p, find_defs, check_dependencies,
2896 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2897 free_inv_motion_data, move_loop_invariants): Ditto.
2898 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2899 Update dependencies.
2900 (odf.c): Added defective entry that was deleted later in day.
2901 * sched-deps.c (sched_analyze_1): Ditto.
2903 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2905 * tree-ssa-operands.c (get_expr_operands): Record addressable
2906 variables directly. Do not call add_stmt_operands for CONST_DECLs
2908 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2909 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2911 2006-01-11 Ben Elliston <bje@au.ibm.com>
2913 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2914 function returns true in the positive case.
2916 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2919 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2920 for SI, DI, SF and DF modes. Add alternatives to copy between
2921 general and floating point registers to the 32-bit patterns.
2922 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2923 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2924 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2925 generating 64-bit code.
2926 * config/pa/pa.c (output_move_double): Handle copies between general
2927 and floating registers.
2929 2006-01-10 Stuart Hastings <stuart@apple.com>
2931 * config/i386/i386.md (set_got): Update.
2932 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2933 (builtin_setjmp_receiver): Mach-O support.
2934 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2935 (GOT_SYMBOL_NAME): Define.
2936 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2937 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2938 * config/i386/i386.c (override_options): Revise for Darwin.
2939 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2940 support. (darwin_x86_file_end): New. (output_set_got): Add label
2941 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2942 * config/i386/i386-protos.h (output_set_got): Likewise.
2943 * config/darwin.c (machopic_legitimize_pic_address): Update
2946 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2948 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2949 when MODE isn't BLKmode.
2951 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2953 PR rtl-optimization/25367
2954 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2956 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2959 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2960 for a negative bound.
2962 2006-01-10 Richard Guenther <rguenther@suse.de>
2964 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2965 Never override with anything constraint.
2967 2006-01-10 Jan Beulich <jbeulich@novell.com>
2969 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2970 256 bits when optimize_size.
2972 2006-01-10 Jan Beulich <jbeulich@novell.com>
2974 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2976 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2977 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2980 2006-01-10 Ben Elliston <bje@au.ibm.com>
2982 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2984 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2985 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2986 (USE_FP_FOR_ARG): Reject decimal float modes.
2987 (function_arg_advance): Likewise.
2988 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2989 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2990 point types in AltiVec vectors.
2991 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2992 (rs6000_libcall_value): Likewise.
2994 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2996 * config/xtensa/ieee754-df.S: New file.
2997 * config/xtensa/ieee754-sf.S: New file.
2998 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2999 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3000 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3002 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3004 * config/sh/predicates.md (binary_float_operator,
3005 binary_logical_operator, commutative_float_operator,
3006 equality_comparison_operator, greater_comparison_operator,
3007 less_comparison_operator, logical_operator,
3008 noncommutative_float_operator, shift_operator,
3009 symbol_ref_operand, unary_float_operator): Remove redundant
3012 2006-01-09 Jeff Law <law@redhat.com>
3014 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3015 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3016 now unused arguments. Callers updated.
3017 (eliminate_redundant_computations): Remove now unused arguments,
3019 (local_fold): Remove, no longer used.
3020 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3022 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3023 (simplify_cond): New function.
3024 (forward_propagate_into_cond): Call simplify_cond.
3026 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
3028 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3029 (*vec_extractv2di_1_sse): New.
3031 2006-01-09 Ben Elliston <bje@au.ibm.com>
3033 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3035 2006-01-08 Richard Guenther <rguenther@suse.de>
3037 * tree-ssa-structalias.c (get_constraint_for): Remove
3039 (get_constraint_for_component_ref): Likewise.
3040 (do_deref): Likewise.
3041 (get_constraint_for): Likewise.
3042 (do_structure_copy): Likewise.
3043 (handle_ptr_arith): Likewise.
3044 (find_func_aliases): Likewise. Remove unused need_anyoffset
3047 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
3048 Kaz Kojima <kkojima@gcc.gnu.org>
3050 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3051 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3052 (EXTRA_CONSTRAINT_C16): Remove.
3053 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3054 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3055 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3056 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3057 constants of SHmedia. Handle nested constant expressions of
3059 (andcosts): Fix the costs for SHmedia constants.
3060 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3061 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3062 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3063 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3064 (movv4hi_i, movv2si_i): Likewise.
3065 (movsi_const): Adjust the second operand of ior so to match with
3067 (movdi_const, movdi_const_32bit): Likewise.
3068 (movdi_const_16bit+1): Don't sign-extend LOW.
3069 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
3071 (*double_shori): Fix the split condition. Use GEN_INT instead
3072 of get_int_mode calls. Mask lower 16-bit of the argument of
3074 (sym2GOTPLT): Remove.
3075 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3077 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3078 instead of EXTRA_CONSTRAINT_C16.
3080 2006-01-07 Ian Lance Taylor <ian@airs.com>
3081 David Edelsohn <edelsohn@gnu.org>
3083 PR rtl-optimization/25662
3084 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3085 for constant operands instead of simplify_gen_binary.
3086 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3087 after trying simplify_binary_operation
3089 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
3091 * tree.c (iterative_hash_expr): Hash decls based on UID.
3093 2006-01-06 Eric Christopher <echristo@apple.com>
3095 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3096 (TARGET_UNWIND_EMIT): Fix spelling.
3097 * target.h (gcc_target): Add except_table_label.
3098 * except.c (output_function_exception_table): Use.
3099 * varasm.c (default_emit_except_table_label): New.
3100 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3102 (asm_out): Add here.
3103 * output.h (default_emit_except_table_label): Prototype.
3104 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3105 * config/darwin.c (darwin_emit_except_table_label): Define.
3106 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3108 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
3110 PR tree-optimization/18527
3111 * tree-ssa-loop-niter.c (number_of_iterations_cond,
3112 number_of_iterations_special, number_of_iterations_exit):
3113 Move base and step of an iv to a single structure. Add
3114 no_overflow flag, and use it in # of iterations analysis.
3115 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3116 folded_casts argument.
3117 (simple_iv): Pass base and step in a structure. Set no_overflow
3119 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3120 Evaluate expensiveness of computing # of iterations instead of
3121 the final expression.
3122 * tree-scalar-evolution.h (affine_iv): New structure.
3123 (simple_iv): Declaration changed.
3124 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3125 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3126 find_givs_in_stmt): Changed due to simple_iv change.
3128 2006-01-06 Jeff Law <law@redhat.com>
3131 * tree-cfg.c (bsi_replace): Rename final argument from
3132 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
3133 change (stmt -> orig_stmt).
3134 * tree-eh.c (verify_eh_throw_stmt_node): New function.
3135 (bsi_remove): Add new argument. Remove EH information
3137 (verify_eh_throw_table_statements): New function.
3138 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
3140 * tree-optimize.c (execute_free_cfg_annotations): Verify
3141 the EH throw statement table after removing annotations.
3142 * except.h (verify_eh_throw_table_statements): Prototype.
3143 * tree-flow.h (bsi_remove): Update prototype.
3144 * tree-vrp.c (remove_range_assertions): Add new argument to
3146 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3147 * tree-complex.c (expand_complex_div_wide): Likewise.
3148 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3149 * tree-tailcall.c (eliminate_tailcall): Likewise.
3150 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3151 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3152 * tree-nrv.c (tree_nrv): Likewise.
3153 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3154 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3155 (combine_blocks): Likewise.
3156 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3157 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3158 (cleanup_control_flow): Likewise.
3159 (remove_forwarder_block): Likewise.
3160 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3161 * tree-sra.c (sra_replace): Likewise.
3162 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3163 (forward_propagate_single_use_vars): Likewise.
3164 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3165 * tree-inline.c (expand_call_inline): Likewise.
3166 * tree-vect-transform.c (vect_transform_loop): Likewise.
3167 * tree-outof-ssa.c (rewrite_trees): Likewise.
3168 * tree-cfg.c (make_goto_expr_edges): Likewise.
3169 (cleanup_dead_labels): Likewise.
3170 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3171 (bsi_move_before, bsi_move_after): Likewise.
3172 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3173 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3175 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
3178 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3180 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3181 on non gimple variables. Also add checks at the top for decls and
3183 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3185 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3186 and IMAGPART_EXPR for creating MUST_DEFs.
3187 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3188 and NAME_MEMORY_TAG separately from the DECLs.
3190 2006-01-06 Richard Guenther <rguenther@suse.de>
3192 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3193 annotation, if necessary.
3194 * tree-ssa-pre.c (create_expression_by_pieces): Remove
3195 redundant calls to update_stmt.
3196 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3199 2006-01-05 Richard Henderson <rth@redhat.com>
3201 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3203 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3205 * c-typeck.c: Update copyright date.
3207 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
3209 * c-typeck.c (build_c_cast): Always warn when casting
3210 from a pointer to an integer of different size, even if
3211 the node was constant.
3213 2006-01-05 Richard Guenther <rguenther@suse.de>
3215 PR tree-optimization/22555
3216 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3217 if one structure field is an array.
3218 * tree-ssa-operands.c (get_expr_operands): Continue scanning
3219 operands even if we found a subvar, but ignore VOPs in this
3221 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3223 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3225 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
3228 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3230 2006-01-05 Richard Guenther <rguenther@suse.de>
3231 Diego Novillo <dnovillo@redhat.com>
3233 * tree-pass.h (TODO_remove_unused_locals): Define.
3234 * gimple-low.c (expand_var_p, remove_useless_vars,
3235 pass_remove_useless_vars): Remove. Update all users.
3236 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3237 (remove_unused_locals): New function.
3238 * tree-flow.h (remove_unused_locals): Declare.
3239 * passes.c (execute_todo): Call remove_unused_locals if
3240 TODO_remove_unused_locals is set.
3241 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3242 * tree-ssa-dce.c (pass_dce): Likewise.
3243 * tree-outof-ssa.c (pass_del_ssa): Likewise.
3245 2006-01-05 Richard Guenther <rguenther@suse.de>
3247 * tree-flow.h (struct fieldoff): Decompose field to
3248 type, size and decl.
3249 * tree-ssa-alias.c (create_sft): Take type as parameter.
3250 (create_overlap_variables_for): Store type, size and decl
3251 in the fieldoff structure.
3252 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3254 (push_fields_onto_fieldstack): Likewise.
3255 (create_variable_info_for): Likewise. Use offset for the
3256 SFT name if the decl is not available.
3258 2006-01-04 Paul Brook <paul@codesourcery.com>
3260 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3262 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
3264 * lambda-code.c (can_put_in_inner_loop): Relax
3266 (can_put_after_inner_loop): New function.
3267 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3268 (perfect_nestify): Change to make copies and modify uses.
3270 2006-01-04 Richard Henderson <rth@redhat.com>
3272 Merge from gomp branch:
3273 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3274 via integer constant.
3275 (pragma_lex): Remove.
3276 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3277 rather than parsing it.
3278 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3279 handle_pragma_extern_prefix): Add %< %> quotes.
3280 (registered_pragmas): New.
3281 (c_register_pragma_1): New.
3282 (c_register_pragma): Use it.
3283 (c_register_pragma_with_expansion): Likewise.
3284 (c_invoke_pragma_handler): New.
3285 (init_pragma): Use cpp_register_deferred_pragma directly for
3287 * c-pragma.h (enum pragma_kind): New.
3288 (pragma_handler): New.
3289 (c_invoke_pragma_handler): Declare.
3290 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3292 * c-common.h (c_common_pch_pragma): Update decl.
3293 * Makefile.in (c-parser.o): Update dependencies.
3294 (GTFILES): Add c-pragma.h.
3295 * c-parser.c (struct c_token): Add pragma_kind.
3296 (struct c_parser): Add in_pragma.
3297 (c_lex_one_token): Always initialize keyword and pragma_kind.
3298 Extract data for CPP_PRAGMA.
3299 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3300 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3301 Don't allow CPP_PRAGMA_EOL if in_pragma.
3302 (c_parser_consume_pragma): New.
3303 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3304 (c_parser_skip_to_end_of_parameter): Likewise.
3305 (c_parser_skip_to_end_of_block_or_statement): Likewise.
3306 (c_parser_skip_to_pragma_eol): New.
3307 (c_parser_external_declaration): Handle CPP_PRAGMA.
3308 (c_parser_compound_statement_nostart): Likewise.
3309 (c_parser_statement_after_labels): Likewise.
3310 (c_parser_pragma): New.
3311 (pragma_lex): Likewise.
3312 (c_parser_pragma_pch_preprocess): New.
3313 (c_parser_new): Merge into ...
3314 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
3316 2006-01-04 Jeff Law <law@redhat.com>
3319 * tree-cfg.c (bsi_replace): Remove the original statement
3320 from the EH throw statement table.
3322 2006-01-04 Jakub Jelinek <jakub@redhat.com>
3324 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3325 make the prototype extern "C" and add throw ().
3328 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3329 and pos non-negative and pos + len <= 32.
3330 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3331 drop pos + len < HOST_BITS_PER_WIDE_INT test.
3332 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3335 * c-common.c (handle_vector_size_attribute): Reject zero vector size
3336 as well as sizes not multiple of component size.
3339 * function.c (instantiate_expr): New function.
3340 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3341 walk its DECL_VALUE_EXPR with instantiate_expr.
3343 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3344 DW_OP_deref{,_size} if address isn't going to be added.
3346 2006-01-04 Ben Elliston <bje@au.ibm.com>
3348 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3349 * config/fp-bit.c: Likewise.
3351 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
3353 * dominance.c: Add comment about why we use DFS numbering
3356 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3357 Richard Henderson <rth@redhat.com>
3359 Merge from gomp-branch:
3360 * varasm.c (assemble_variable): Handle thread-local COMMON data.
3361 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3363 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
3365 PR rtl-optimization/25578
3366 * combine.c (combine_simplify_rtx, force_to_mode): Don't
3367 pass a parameter to simplify_shift_const if changing ASHIFTRT
3370 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
3372 * builtins.c (get_builtin_sync_mem): New function.
3373 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3374 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3375 Call get_builtin_sync_mem to generate mem rtx.
3377 2006-01-03 Richard Guenther <rguenther@suse.de>
3380 * stmt.c (add_case_node): Make sure to clear overflow flags
3383 2006-01-03 Jakub Jelinek <jakub@redhat.com>
3385 Merge from gomp-branch.
3386 * config/sparc/sync.md: New file.
3387 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3388 UNSPECV_LDSTUB): New constants.
3389 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3390 * config/sparc/predicates.md (memory_reg_operand): New predicate.
3391 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3394 2006-01-03 Roger Sayle <roger@eyesopen.com>
3396 * combine.c (reg_subword_p): New predicate to test whether the
3397 destination of a set refers to a subword/piece of a register.
3398 (try_combine): Generalize the code to merge the setting of a
3399 pseudo to a constant followed by a set of a subword of that
3400 register to a constant.
3402 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
3404 * basic-block.h (control_flow_graph): Change the type of
3405 x_label_to_block_map to VEC(basic_block,gc) *.
3406 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3407 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3409 * tree-ssa-propagate.c (cfg_blocks): Change the type to
3410 VEC(basic_block,heap) *.
3411 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3412 ssa_prop_fini): Adjust the uses of cfg_blocks.
3414 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
3416 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3418 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3419 hashing trees instead of a pointer hash.
3420 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3421 compare for MEM_EXPR.
3423 PR rtl-optimization/25130
3424 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3425 when comparing MEMs for GCSE
3427 2006-01-03 Ben Elliston <bje@au.ibm.com>
3429 * targhooks.h (default_decimal_float_supported_p): Declare.
3430 * targhooks.c (default_decimal_float_supported_p): Define.
3431 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3432 `default_decimal_float_supported_p'.
3433 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3435 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3437 * combine.c (apply_distributive_law <SUBREG>): Check
3438 TRULY_NOOP_TRUNCATION.
3440 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3442 * dwarf2out.c (have_switched_text_section): Delete.
3443 (have_multiple_function_sections): New.
3444 (have_location_lists): Make 'bool'.
3445 (add_AT_loc_list): Use 'true' not '1'.
3446 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3447 (output_loc_list): Use have_multiple_function_sections.
3448 (output_ranges): Likewise.
3449 (dwarf2out_begin_function): Set have_multiple_function_sections if
3451 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3452 Check function_section rather than DECL_SECTION_NAME.
3453 (dwarf2out_finish): Use have_multiple_function_sections.
3454 Don't clear have_location_lists.
3456 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3457 Jan Hubicka <jh@suse.cz>
3459 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3460 case of conditional jump jumping to the next instruction.
3461 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3462 cases of conditional jump jumping to the next instruction.
3464 2006-01-02 Jan Hubicka <jh@suse.cz>
3466 * i386.c (*_cost): Add COSTS_N_INSNS.
3467 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3469 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3472 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3474 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3476 * config/arm/arm.c (all_fpus): Fix comment typo.
3477 * config/darwin.c: Likewise.
3478 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3479 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3480 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3482 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3484 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3485 (rs6000_split_compare_and_swapqhi): New.
3486 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3487 (sync_compare_and_swapqhi_internal): New.
3488 * config/rs6000/rs6000-protos.h: Declare.