1 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10 * configure: Regenerate.
12 2006-02-14 Roger Sayle <roger@eyesopen.com>
17 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
19 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
21 Fix PR tree-optimization/26260
23 * doc/invoke.texi (max-fields-for-field-sensitive): Document
25 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
26 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
27 * tree-ssa-structalias.c (create_variable_info_for): Use
28 MAX_FIELDS_FOR_FIELD_SENSITIVE.
30 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
32 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
34 * tree-ssa-loop-niter.c (number_of_iterations_ne,
35 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
36 of the ending condition.
37 * tree-ssa-loop-manip.c: Include params.h.
38 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
39 tree_unroll_loop): New functions.
40 * tree-pass.h (pass_loop_prefetch): Declare.
41 * loop.c (rest_of_handle_loop_optimize): Test for
42 -fprefetch-loop-arrays-rtl.
43 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
44 * timevar.def (TV_TREE_PREFETCH): New timevar.
45 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
46 pass_loop_prefetch): New.
47 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
48 (cleanup_tree_cfg_loop): Call scev_reset.
49 * common.opt (fprefetch-loop-arrays-rtl): Add.
50 * tree-ssa-loop-prefetch.c: New file.
51 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
52 (new_temp_expr_table): Initialize expr_vars.
53 (free_temp_expr_table): Cleanup expr_vars.
54 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
55 expressions from being merged into one.
56 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
57 (struct tree_niter_desc): Add control, bound and cmp fields.
58 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
60 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
61 (tree-cfgcleanup.o): Add SCEV_H dependency.
62 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
63 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
65 2006-02-14 Richard Guenther <rguenther@suse.de>
67 PR tree-optimization/26258
68 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
69 in PHI argument processing.
71 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
73 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
74 new expression in the requested machine mode.
76 2006-02-13 Roger Sayle <roger@eyesopen.com>
78 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
79 directly, instead let do_compare_rtx_and_jump handle this for us.
80 * expr.c (expand_expr_real_1): Likewise.
81 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
82 before do_jump_by_parts_greater.
83 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
84 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
86 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
88 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
90 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
92 PR rtl-optimization/26235
93 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
94 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
97 2006-02-13 Jeff Law <law@redhat.com>
99 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
102 2006-02-13 Jakub Jelinek <jakub@redhat.com>
105 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
106 twice if decl is a builtin. When trying again, call get_callee_fndecl
107 first to verify it is still a builtin.
109 2006-02-13 Geoffrey Keating <geoffk@apple.com>
111 * dwarf2out.c (base_type_die): Don't add AT_name here.
112 (subrange_type_die): Don't add AT_name here.
113 (modified_type_die): Rearrange code flow. Do add AT_name here.
115 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
117 PR rtl-optimization/26247
118 PR rtl-optimization/26248
119 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
121 2006-02-13 Richard Sandiford <richard@codesourcery.com>
123 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
124 * config/fixtfdi.c: Likewise.
125 * config/fixunstfdi.c: Likewise.
126 * config/floatditf.c: Likewise.
128 2006-02-13 Roger Sayle <roger@eyesopen.com>
131 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
132 into (X,C2) if C1 is a subset of the bits of C2. Transform
133 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
135 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
137 2006-02-13 Josh Conner <jconner@apple.com>
140 * varasm.c (function_section): Check for section name before
141 calling select_section on targets that define
142 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
143 unlikely_text_section instead of hot_function_section if
144 first_function_block_is_cold.
146 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
149 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
151 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
153 PR rtl-optimization/26222
154 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
155 after tree->rtl expansion.
156 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
157 before passing it to emit_move_insn.
159 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
161 * doc/invoke.texi (-Write-strings): Document that it is enabled by
163 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
164 Clarify documentation.
165 * c-common.h (warn_write_strings): Remove.
166 * c-common.c (warn_write_strings): Likewise.
167 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
170 2006-02-12 Roger Sayle <roger@eyesopen.com>
173 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
174 (do_jump_parts_zero_rtx): New function renamed from
175 do_jump_parts_equality_rtx. Made static. Add a mode argument.
176 (do_jump_parts_equality_rtx): New function split out from
177 do_jump_parts_equality. Old implementation renamed as above.
178 Call do_jump_parts_zero_rtx if either operand is zero.
179 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
180 do all of the heavy lifting.
181 (do_compare_rtx_and_jump): Handle multi-word comparisons by
182 calling either do_jump_by_parts_greater_rtx or
183 do_jump_by_parts_equality_rtx.
184 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
185 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
186 moved to do_compare_rtx_and_jump, call it directly.
187 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
188 mode argument. Call do_compare_rtx_and_jump.
189 (emit_case_nodes): Update calls to do_jump_if_equal.
191 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
193 PR rtl-optimization/26225
194 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
196 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
198 PR rtl-optimization/26232
199 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
201 2006-02-11 Jason Merrill <jason@redhat.com>
204 * tree-inline.c (declare_return_variable): Just don't use the
205 modify target if it's a gimple complex reg and the return slot
208 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * doc/contrib.texi: Update my entry.
212 2006-02-10 Geoffrey Keating <geoffk@apple.com>
214 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
216 2006-02-10 Diego Novillo <dnovillo@redhat.com>
218 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
221 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
223 * doc/invoke.texi (-floop-optimize2): Removed.
224 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
225 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
226 Test flag_branch_on_count_reg only if HAVE_doloop_end.
227 * common.opt (floop-optimize2): Removed.
228 (fmove-loop-invariants): Enabled by default.
230 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
232 * tree-if-conv.c (combine_blocks): Free the result of
235 2006-02-10 Jeff Law <law@redhat.com>
237 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
239 PR tree-optimization/26213
240 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
241 loop trying to follow SSA_NAME_VALUE chains.
243 2006-02-10 Richard Guenther <rguenther@suse.de>
245 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
246 deal with structures that end in implicitly variable sized arrays.
248 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
250 PR rtl-optimization/24762
251 * df-scan.c (df_bb_refs_record): Record correct registers defined on
254 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
256 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
257 (struct ivopts_data): Add regs_used field.
258 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
259 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
260 instead of loop_data->regs_used;
261 (free_loop_data): Do not free aux fields for loops.
262 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
263 and tree_ssa_iv_optimize_finalize.
265 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
267 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
269 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
272 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
273 computing the effective result type.
275 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
278 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
279 (tree_overlaps_hard_reg_set): Declare.
280 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
281 type and signature to match function type expected by walk_tree.
282 (tree_overlaps_hard_reg_set): New function.
283 (decl_conflicts_with_clobbers_p): Rename to:
284 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
285 Use tree_overlaps_hard_reg_set. Changed caller.
286 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
287 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
288 * cris.c (cris_md_asm_clobbers): Likewise.
290 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
292 * reload1.c (emit_input_reload_insns): Delete code that tries to
293 inherit using find_equiv_reg.
295 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
297 * c-common.h (flag_const_strings): Don't declare.
298 * c-common.c (flag_const_strings): Remove.
299 * c.opt (fconst_strings): Remove.
300 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
301 <OPT_Wwrite_strings>: Don't set flag_const_strings.
302 (c_common_init_options): Don't set flag_const_strings.
303 * doc/invoke.texi (-fno-const-strings): Remove documentation.
305 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
307 * arm.md (tlobits_cbranch): New pattern.
308 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
309 testing a single bit.
311 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
314 * tree-ssa-pre.c (create_component_ref_by_pieces):
315 Handle RETURN_DECL like VAR_DECL.
317 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
320 * fold-const.c (fold_indirect_ref_1): Fold
321 "*(foo *)&complexfoo" to "__real__ complexfoo"
322 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
324 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
326 * tree-flow-inline.h (var_can_have_subvars):
327 Volatile variables should not have subvariables.
329 2006-02-09 Diego Novillo <dnovillo@redhat.com>
332 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
333 multiplying unsigned values.
336 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
338 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
340 2006-02-08 Jason Merrill <jason@redhat.com>
343 * tree.def: Elaborate on difference from MODIFY_EXPR.
344 * doc/c-tree.texi (INIT_EXPR): Likewise.
345 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
346 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
347 (gimplify_target_expr): Likewise.
348 (gimplify_cond_expr): Remove target handling.
349 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
350 (gimplify_expr): Clobber it here.
351 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
352 Do return slot optimization if we have an INIT_EXPR.
355 * tree-inline.c (declare_return_variable): Also clear
356 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
359 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
362 * gimplify.c (gimplify_one_sizepos): Fix typo.
364 2006-02-08 Jeff Law <law@redhat.com>
366 PR tree-optimization/21417
367 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
368 across a backedge if the control statement at the end of the
369 block is data dependent on other statements in the same block.
370 (record_temporary_equivalences_from_stmts): Remove over-conservative
371 test for threading across backedges.
373 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
374 control statement, handle all three special cases in the same
375 manner as they all have the same desired solution. No longer
376 special case edge flag updating when the post dominator is
379 2006-02-08 Roger Sayle <roger@eyesopen.com>
381 * tree.def (CHAR_TYPE): Remove.
382 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
383 * dwarf2out.c (base_type_die, is_base_type): Likewise.
384 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
385 (gen_string_type_die): Delete unreachable function.
387 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
388 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
389 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
390 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
391 * builtins.c (type_to_class): Likewise.
392 * fold-const.c (fold_convert, build_range_check,
393 merge_ranges): Likewise.
394 * expr.c (count_type_elements): Likewise.
395 * c-pretty-print.c (pp_c_type_specifier): Likewise.
396 * stor-layout.c (layout_type): Likewise.
397 * ipa-type-escape.c (type_to_consider): Likewise.
398 * gimplify.c (omp_firstprivatize_type_sizes,
399 gimplify_type_sizes): Likewise.
400 * explow.c (promote_mode): Likewise.
401 * tree-sra.c (is_sra_scalar_type): Likewise.
402 * varasm.c (output_constant): Likewise.
403 * tree-inline.c (remap_type_1): Likewise.
404 * convert.c (convert_to_pointer, convert_to_real,
405 convert_to_integer, convert_to_complex): Likewise.
407 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
409 * df-scan.c (df_def_record_1): A set destination may
410 be a parallel regardless of mode.
412 2006-02-08 Roger Sayle <roger@eyesopen.com>
415 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
416 * config/mips/_tilib.c: Remove.
417 * config/fixtfdi.c: New libgcc source file.
418 * config/fixunstfdi.c: New source file.
419 * config/floatditf.c: New source file.
420 * config/floatunditf.c: New souce file.
421 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
422 files above instead of config/mips/_tilib.c.
423 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
425 2006-02-08 Jeff Law <law@redhat.com>
427 PR tree-optimization/26169
428 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
431 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
433 * df.h (DF_REG_SIZE): Return the length of the initialized
436 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
438 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
439 __muldf3): Return a correctly signed zero.
441 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
443 * passes.c (register_one_dump_file): Accept the current properties
444 instead of pass number. Adjust call to dump_register. Remove
446 (register_dump_files): Now a wrapper around...
447 (register_dump_files_1): ... this one. Do not modify the pass
449 (next_pass_1): Cosmetic fix.
450 (execute_todo): Keep second parameter only. Use curr_properties
451 instead of fetching it from the pass structure. Check and set
453 (execute_one_pass): Handle TODO_set_props. Use curr_properties
454 instead of fetching it from the pass structure. Fix calls to
455 execute_todo. Update curr_properties and initialize .vcg RTL dump
456 after running the pass. Reset last_verified.
457 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
459 (FIRST_AUTO_NUMBERED_DUMP): New.
460 (dump_register): Remove "num" parameter, assign it within the
462 (get_dump_file_name): Modify template for dumps.
463 * tree-dump.h (dump_register): Adjust prototype.
464 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
465 (PROP_trees): Add PROP_gimple_lomp.
466 (TODO_set_props): New.
467 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
468 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
469 * cfgexpand.c (pass_expand): Destroy PROP_trees.
471 2006-02-08 Jakub Jelinek <jakub@redhat.com>
473 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
474 (sparc64-*-linux*): Likewise.
475 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
476 * config/sparc/t-linux: New file.
477 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
478 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
479 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
480 -m32 -mlong-double-128.
482 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
483 * config/alpha/t-linux: New file.
484 * config/alpha/libgcc-alpha-ldbl.ver: New file.
486 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
487 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
488 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
489 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
490 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
491 (CPP_ARCH32_SPEC): Remove.
493 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
495 PR tree-optimization/26145
496 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
499 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
502 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
503 >= 240000 when generating code for SOM runtime.
504 (output_indirect_call): Don't use "b,l" instruction for indirect calls
505 to $$dyncall when generating code for SOM runtime..
507 2006-02-07 Dirk Mueller <dmueller@suse.com>
510 * doc/invoke.texi (-Wsequence-point): Update documentation
511 that -Wsequence-point is implemented for C++ as well.
513 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
515 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
516 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
517 (LIB_SPEC): Likewise.
518 * doc/invoke.texi (SPARC options): Document -pthread.
520 2006-02-07 Geoffrey Keating <geoffk@apple.com>
522 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
525 2006-02-07 Roger Sayle <roger@eyesopen.com>
527 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
528 Correct comment describing BOOLEAN_TYPE.
530 2006-02-07 Dirk Mueller <dmueller@suse.com>
532 * c.opt: C++ frontend supports -Wdiv-by-zero.
533 * c-opts.c (c_common_handle_option): Remove dead case.
535 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
537 * configure.ac (TLS assembler check): Do not enable TLS by
538 default on SPARC/Solaris before version 10.
539 * configure: Regenerate.
541 2006-02-07 David Edelsohn <edelsohn@gnu.org>
543 * doc/invoke.texi (xl-compat): Document conversion and support
546 2006-02-07 Jeff Law <law@redhat.com>
548 * tree-vrp.c (find_conditional_asserts): Update comments.
549 (simplify_stmt_for_jump_threading): New.
550 (identify_jump_threads, finalize_jump_threads): New.
551 (vrp_finalize): Call identify_jump_threads.
552 (execute_vrp): Call finalize_jump_threads.
553 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
554 (vrp_element, vrp_data, vrp_element_p): Remove.
555 (vrp_hash_elt, vrp_variables_stack): Remove.
556 (vrp_hash, vrp_eq, record_range): Remove.
557 (simplify_cond_and_lookup_avail_expr): Remove.
558 (extract_range_from_cond): Remove.
559 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
560 (simplify_stmt_for_jump_threading): New.
561 (dom_thread_across_edge): New wrapper.
562 (tree_ssa_dominator_optimize): No longer initialize or
563 finalize any of the VRP datastructures. Remove iteration
564 step and simplify as a result of removal of iteration step.
565 (pass_dominator): Perform a cfg cleanup after DOM.
566 (dom_opt_finalize_block): Use the new common routines
567 for threading jumps. Simplify stack management slightly.
568 No longer need to unwind VRP state.
569 (record_equivalences_from_incoming_edge): No longer record
571 (eliminate_redundant_computations): No longer call
572 simplify_cond_and_lookup_avail_expr.
573 * tree-flow.h (potentially_threadable_block): Prototype.
574 (thread_across_edge): Likewise.
575 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
576 (tree-ssa-threadedge.o): Add dependencies.
577 * tree-ssa-threadedge.c: New file.
578 * passes.c (init_optimization_passes): Merge PHIs before
579 calling VRP. Run VRP again late in the SSA optimization pipeline.
581 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
583 * df-core.c (df_set_blocks): Do not dereference function pointers.
584 (df_finish1): Likewise.
585 (df_hybrid_search_forward): Likewise.
586 (df_hybrid_search_backward): Likewise.
587 (df_iterative_dataflow): Likewise.
588 (df_analyze_problem): Likewise.
589 (df_compact_blocks): Likewise.
591 * df-scan.c (df_rescan_blocks): Likewise.
592 (df_record_entry_block_defs): Likewise.
594 * genconditions.c (write_conditions): Guard the definition of
595 'insn_conditions' with the check on GCC version.
596 (write_writer): Guard the traversal 'insn_conditions' with
597 the check on GCC version.
599 2006-02-07 Richard Guenther <rguenther@suse.de>
603 2006-01-30 Richard Guenther <rguenther@suse.de>
605 * gimplify.c (gimplify_target_expr): Handle easy cases
606 without creating a temporary.
608 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
610 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
611 use of float in probability computations. Use edge probabilities
612 in place of statically computed probabilities.
613 (min_spec_prob): New static variable.
614 (schedule_insns): Initialize it.
615 (GET_SRC_PROB): Removed.
616 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
618 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
621 * config/ia64/unwind-ia64.c: Revert last change.
622 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
623 (INCOMING_FRAME_SP_OFFSET): Define.
625 2006-02-06 Roger Sayle <roger@eyesopen.com>
627 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
629 2006-02-07 Ben Elliston <bje@au.ibm.com>
631 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
632 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
633 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
634 (ix86_return_in_memory): Handle TDmode.
635 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
636 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
638 2006-02-06 Richard Sandiford <richard@codesourcery.com>
640 * reorg.c (dbr_schedule): Use dump_file instead of file.
642 2006-02-06 Steve Ellcey <sje@cup.hp.com>
645 * config/ia64/predicates.md (extr_len_operand): New predicate.
646 * config/ia64/ia64.md (extv): Tighten constraints.
648 (*tbit_and_2): Ditto.
649 (*tbit_and_3): Ditto.
655 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
658 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
660 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
662 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
663 loop_optimizer_init and loop_optimizer_finalize
664 * tree-ssa-sink.c (execute_sink_code): Ditto.
665 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
666 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
667 tree_ssa_loop_done): Ditto.
668 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
669 * sched-ebb.c: Include output.h.
670 (schedule_ebbs): Do not use dump argument.
671 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
672 * loop.c (loop_dump_stream): Removed.
673 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
675 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
676 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
677 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
678 loop_iterations, strength_reduce, record_biv, record_giv,
679 final_giv_value, check_final_value, check_ext_dependent_givs,
680 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
681 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
682 dump_file instead of loop_dump_stream.
683 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
685 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
687 * flow.c (life_analysis, rest_of_handle_life): Ditto.
688 * haifa-sched.c: Include output.h
689 (schedule_insns, sched_init): Do not use dump argument.
690 * mode-switching.c (optimize_mode_switching): Ditto.
691 * modulo-sched.c (stats_file): Removed.
692 (print_node_sched_params): Do not call argument dump_file.
693 (sms_schedule_by_order, loop_canon_p, sms_schedule,
694 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
696 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
698 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
699 rtl_loop_init, rtl_loop_done): Ditto.
700 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
701 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
703 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
704 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
705 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
706 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
707 * emit-rtl.c (renumber_insns): Ditto.
708 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
709 expand_gimple_basic_block, tree_expand_cfg): Ditto.
710 * regclass.c (regclass): Ditto.
711 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
712 remove_ssa_form, rewrite_out_of_ssa): Ditto.
713 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
714 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
716 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
717 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
719 * gcse.c (gcse_file, debug_stderr): Removed.
720 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
721 rest_of_handle_gcse): Do not use dump argument.
722 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
723 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
724 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
725 compute_code_hoist_vbeinout, compute_code_hoist_data,
726 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
727 compute_store_table, build_store_vectors, insert_insn_start_bb,
728 insert_store, remove_reachable_equiv_notes, replace_store_insn,
729 store_motion): Use dump_file instead of gcse_file.
730 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
731 * profile.c (profile_dump_file): Removed.
732 (branch_prob): Use dump_file instead of profile_dump_file.
733 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
735 * tree-ssa-copy.c (dump_copy_of): Ditto.
736 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
737 dump file to life_analysis.
738 * bt-load.c (branch_target_load_optimize): Ditto.
739 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
741 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
742 regclass, dbr_schedule): Declaration changed.
743 * sched-int.h (sched_init): Declaration changed.
744 * tree-profile.c (tree_profile_dump_file): Removed.
745 (tree_profile_hooks): Removed profile_dump_file hook.
746 * rtl-profile (rtl_profile_dump_file): Removed.
747 (rtl_profile_hooks): emoved profile_dump_file hook.
748 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
750 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
751 * tree-cfg.c (build_tree_cfg): Ditto.
752 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
753 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
755 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
756 life_analysis and schedule_insns.
757 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
759 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
761 * config/mips/mips.c (mips_reorg): Ditto.
762 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
765 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
767 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
768 (s390_mangle_fundamental_type): New.
769 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
772 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
773 (alpha_mangle_fundamental_type): New.
774 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
777 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
779 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
781 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
782 (sparc_mangle_fundamental_type): New.
784 2006-02-06 Jakub Jelinek <jakub@redhat.com>
786 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
787 (s390x-*-linux*): Likewise.
788 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
789 * config/s390/t-linux: New file.
791 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
793 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
794 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
796 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
798 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
799 (ANTIC_SAFE_LOADS): New macro.
800 (find_or_generate_expression): Add prototype.
801 (set_contains_value): Allow null set for sake of not always having
802 to allocate ANTIC_SAFE_LOADS.
803 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
804 Allow COMPONENT_REF too.
805 (valid_in_set): Allow COMPONENT_REF.
806 Check ANTIC_SAFE_LOADS too.
807 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
808 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
810 (can_PRE_operation): Add COMPONENT_REF.
811 (create_component_ref_by_pieces): New function.
812 (create_expression_by_pieces): Use create_component_ref_by_pieces.
813 (insert_aux): Move AGGREGATE_TYPE_P check here.
814 (compute_avail): Set bb local stmt uids.
815 (pass_pre): Use TODO_update_ssa_only_virtuals.
817 2006-02-06 Ben Elliston <bje@au.ibm.com>
819 * configure.ac: Unconditionally disable decimal float by default.
820 * configure: Regenerate.
822 2006-02-06 Ben Elliston <bje@au.ibm.com>
824 * read-rtl.c (read_name): Terminate reading on EOF.
826 2006-02-06 Ben Elliston <bje@au.ibm.com>
828 * dfp.c (decimal_real_arithmetic): Change second argument type
829 from int to enum tree_code. Do not always return true, but now
830 return result of any call to decimal_do helper functions.
831 * dfp.h (decimal_real_arithmetic): Update prototype.
833 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
835 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
837 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
840 * tree-cfg.c (cleanup_dead_labels): Also don't remove
843 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
845 * tree-vrp.c (cfg_loops): Removed.
846 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
847 Use current_loops instead of cfg_loops. Pass flags to
849 * cfgloopmanip.c (fix_loop_structure): Update only available
851 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
853 * modulo-sched.c (build_loops_structure): Removed.
854 (sms_schedule): Use loop_optimizer_init.
855 * loop-init.c (loop_optimizer_init): Use flags to determine
856 which properties of loops to prepare.
857 (rtl_loop_init): Pass flags to loop_optimizer_init.
858 * tree-ssa-sink.c (execute_sink_code): Ditto.
859 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
860 * tree-ssa-pre.c (init_pre): Ditto.
861 * cfgloop.h (LOOPS_NORMAL): New.
862 (loop_optimizer_init): Declaration changed.
864 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
866 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
867 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
869 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
871 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
873 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
874 * pa/t-pa64: Delete quadlib.c rule.
875 * pa/x-ada: Revert last change.
876 * pa/t-pa: Revert last change. Delete quadlib.c rule.
878 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
880 PR rtl-optimization/26087
881 * rtlanal.c (canonicalize_condition): Do not cross basic block
884 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
887 * config/ia64/ia64.c: Include debug.h.
888 (MAX_ARTIFICIAL_LABEL_BYTES): New.
889 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
890 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
891 (process_epilogue, process_set, process_for_unwind_directive):
892 Output unwind info only if requested. Add CFA info if requested.
893 Add new arguments as needed. Adjust callers.
894 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
896 (DWARF2_FRAME_INFO): Define to zero.
897 * config/ia64/unwind-ia64.c: Remove code that compensated for
898 the CFA offset error fixed above.
899 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
900 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
901 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
902 -funwind-tables and -fexceptions to enable frame info.
903 (dwarf2out_frame_init): Define initial CFA even if
904 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
905 DWARF2_UNWIND_INFO is nonzero, not just defined.
906 (dwarf2out_frame_finish): Output non-EH call frame info only
907 if DWARF2_FRAME_INFO is nonzero.
908 (convert_cfa_to_loc_list,
909 compute_frame_pointer_to_cfa_displacement): Define even if
910 unwind info is not supported.
911 (gen_subprogram_die): Use the above unconditionally. Remove
912 legacy alternate code.
913 * toplev.c (compile_file): Compile in call to
914 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
915 (lang_dependent_init): Ditto for dwarf2out_frame_init.
917 2006-02-04 David Edelsohn <edelsohn@gnu.org>
918 Jakub Jelinek <jakub@redhat.com>
920 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
921 IBM extended float format long double as "g" on powerpc*-linux.
923 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
926 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
927 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
929 2006-02-03 Jason Merrill <jason@redhat.com>
932 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
935 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
936 on the return slot if it's an NRV.
938 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
940 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
941 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
942 rewrite_use): Do not handle USE_OUTER.
943 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
944 add_iv_outer_candidates, may_replace_final_value,
945 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
946 (find_interesting_uses_op): Functionality of
947 find_interesting_uses_outer_or_nonlin moved here.
948 (find_interesting_uses_outside): Use find_interesting_uses_op.
950 2006-02-03 Alan Modra <amodra@bigpond.net.au>
953 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
955 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
956 Ulrich Weigand <uweigand@de.ibm.com>
959 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
960 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
961 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
962 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
964 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
965 (s390_rtx_costs): Use the new fields to calculate rtx costs.
966 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
967 Define secondary reloads for TFmode moves.
968 (constant_modes): Add TFmode.
969 (NR_C_MODES): Set to 8.
970 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
972 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
973 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
974 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
975 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
976 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
977 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
978 (FPR mode macro): Add TFmode.
979 (DSF mode macro): New.
980 (<de>, <dee> mode attributes): Removed.
981 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
982 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
983 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
984 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
985 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
986 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
987 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
988 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
989 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
990 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
991 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
992 "*negabs<mode>2", "sqrt<mode>2"):
993 Changed <de> to <xde>. R constraint replaced by <Rf>.
994 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
996 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
997 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
998 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1000 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1001 "extenddftf2", "extendsftf2"): New expanders.
1002 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1003 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1004 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1005 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1007 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1008 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1009 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1010 __floatditf): Add a GCC_4.1.0 symbol version tag.
1011 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1014 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1017 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1018 Use targetm.binds_local_p instead of TREE_PUBLIC.
1020 2006-02-02 Roger Sayle <roger@eyesopen.com>
1022 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1023 on INTEGER_TYPEs to indicate that it denotes a character type.
1024 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1025 signed_char_type_node, unsigned_char_type_node and char_type_node.
1026 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1027 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1028 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1030 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1031 Daniel Berlin <dberlin@dberlin.org>
1033 * tree-tailcall.c (arg_needs_copy_p): New function.
1034 (eliminate_tail_call): Use arg_needs_copy_p.
1035 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1036 (add_virtual_phis): New function.
1038 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1040 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1041 #ignore instead of #scratch for %g7 .register directive.
1043 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1045 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1048 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1050 * flow.c (calculate_global_regs_live): Assert that there aren't any
1053 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1055 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1057 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1058 bsi_after_labels iterator.
1059 * tree-if-conv.c (find_phi_replacement_condition,
1060 replace_phi_with_cond_modify_expr): Likewise.
1061 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1062 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1064 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1066 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1068 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1071 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1072 array after growing it.
1074 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1077 * fold-const.c (fold_checksum_tree): Change type of buf.
1079 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1081 * reload.c (push_secondary_reload): Initialize t_icode.
1083 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1085 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1086 -msoft-float -mlong-double-128 only issue a warning, but don't
1087 swich to DFmode long double.
1089 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1091 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1092 has a constant equivalent, iterate over equivalents for arg0,
1093 calling simplify_relational_operation and if there's a result
1094 cheaper than X, apply fold_rtx and return the result.
1096 2006-02-01 Jan Hubicka <jh@suse.cz>
1098 * opts.c (no_unit_at_a_time_default): New global variable.
1099 (decode_options): Use it.
1100 * opts.h (no_unit_at_a_time_default): Declare.
1102 2006-02-01 Paul Brook <paul@codesourcery.com>
1104 * function.c (assign_parm_setup_reg): Use function argument promotion
1106 * expr.c (expand_expr_real_1): Use function argument promotion rules
1109 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1111 * gcc.c (process_command): Change j to 'unsigned int'.
1113 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1116 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1117 Use the corrected index for the character
1118 out of the string constant.
1120 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1122 * mode-switching.c (optimize_mode_switching): Fix size
1123 allocated for bb_info[n_entities].
1125 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1127 * gcc.c (main): Correct type that is allocated for
1128 explicit_link_files.
1130 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1132 * config/s390/s390.c (init_alignment_context): Set
1133 ALIAS_SET_MEMORY_BARRIER on the MEM.
1134 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1136 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1139 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1141 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1144 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1146 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1147 * regrename.c: Ditto.
1148 * tree-ssa-loop-im.c: Ditto.
1149 * tree-dump.c: Ditto.
1150 * tree-complex.c: Ditto.
1151 * genrecog.c: Ditto.
1152 * tree-ssa-threadupdate.c: Ditto.
1154 * java/class.c: Ditto.
1155 * java/jcf-parse.c: Ditto.
1156 * java/resource.c: Ditto.
1157 * java/except.c: Ditto.
1158 * java/jvspec.c: Ditto.
1159 * java/jcf-write.c: Ditto.
1160 * java/jcf-path.c: Ditto.
1161 * java/gjavah.c: Ditto.
1162 * java/zextract.c: Ditto.
1163 * java/jcf-io.c: Ditto.
1164 * java/jcf.h: Ditto.
1165 * java/buffer.c: Ditto.
1166 * java/lang.c: Ditto.
1167 * java/parse-scan.y: Ditto.
1168 * java/lex.c: Ditto.
1169 * java/lex.h: Ditto.
1170 * cfgloopmanip.c: Ditto.
1171 * postreload-gcse.c: Ditto.
1172 * tree-ssa-loop-manip.c: Ditto.
1173 * postreload.c: Ditto.
1174 * tree-ssa-loop-ch.c: Ditto.
1178 * diagnostic.c: Ditto.
1180 * genoutput.c: Ditto.
1182 * cfghooks.c: Ditto.
1183 * cfgloopanal.c: Ditto.
1184 * objc/objc-act.c: Ditto.
1186 * genextract.c: Ditto.
1187 * genautomata.c: Ditto.
1188 * pretty-print.c: Ditto.
1190 * cgraphunit.c: Ditto.
1193 * haifa-sched.c: Ditto.
1194 * dominance.c: Ditto.
1196 * tree-ssa-loop-ivopts.c: Ditto.
1198 * mode-switching.c: Ditto.
1199 * modulo-sched.c: Ditto.
1201 * ipa-pure-const.c: Ditto.
1203 * fix-header.c: Ditto.
1205 * tree-stdarg.c: Ditto.
1206 * ipa-utils.c: Ditto.
1207 * loop-init.c: Ditto.
1208 * ipa-inline.c: Ditto.
1211 * alloc-pool.c: Ditto.
1212 * dwarf2out.c: Ditto.
1214 * genattrtab.c: Ditto.
1215 * tree-ssa-loop-ivcanon.c: Ditto.
1219 * fortran/gfortranspec.c: Ditto.
1221 * local-alloc.c: Ditto.
1222 * langhooks.c: Ditto.
1223 * function.c: Ditto.
1224 * tree-vectorizer.c: Ditto.
1226 * ipa-type-escape.c: Ditto.
1228 * tree-if-conv.c: Ditto.
1231 * tree-data-ref.c: Ditto.
1232 * loop-unroll.c: Ditto.
1233 * treelang/treetree.c: Ditto.
1236 * ggc-common.c: Ditto.
1238 * coverage.c: Ditto.
1240 * tree-cfgcleanup.c: Ditto.
1241 * tree-ssa-pre.c: Ditto.
1242 * cfgcleanup.c: Ditto.
1243 * loop-invariant.c: Ditto.
1245 * ipa-prop.c: Ditto.
1246 * print-tree.c: Ditto.
1247 * conflict.c: Ditto.
1248 * ggc-page.c: Ditto.
1249 * sched-deps.c: Ditto.
1250 * regclass.c: Ditto.
1251 * tree-object-size.c: Ditto.
1253 * bb-reorder.c: Ditto.
1254 * resource.c: Ditto.
1255 * var-tracking.c: Ditto.
1257 * df-problems.c: Ditto.
1258 * reg-stack.c: Ditto.
1261 * sched-rgn.c: Ditto.
1262 * tree-ssa-structalias.c: Ditto.
1263 * tree-ssa-reassoc.c: Ditto.
1264 * config/darwin-c.c: Ditto.
1265 * config/darwin.c: Ditto.
1266 * config/arm/arm.c: Ditto.
1268 * collect2.c: Ditto.
1271 2006-01-31 Nicolas Pitre <nico@cam.org>
1273 * arm.md (smaxsi3): Make aware of smax_m1.
1276 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1278 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1280 2006-01-31 Richard Guenther <rguenther@suse.de>
1282 * doc/invoke.texi (-msselibm): Document.
1283 * target.h (expand_library_builtin): New target hook.
1284 * builtins.c (expand_builtin): Use expand_library_builtin.
1285 (default_expand_library_builtin): New function.
1286 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1287 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1288 (link_gcc_math_spec): Declare.
1289 (static_specs): Add link_gcc_math_spec.
1290 * expr.h (default_expand_library_builtin): Declare.
1291 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1292 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1293 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1294 * config/i386/i386.opt (msselibm): New target option.
1295 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1296 (ix86_init_sse_abi_builtins): New function.
1297 (ix86_expand_library_builtin): Likewise.
1298 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1299 (override_options): Handle error conditions wrt -msselibm.
1300 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1301 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1302 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1305 2006-01-31 Richard Guenther <rguenther@suse.de>
1306 Paolo Bonzini <bonzini@gnu.org>
1308 * doc/install.texi (--disable-libgcc-math): Document.
1310 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1312 * expr.h (expand_normal): new inline function.
1313 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1315 * dwarf2out.c: use it.
1320 * config/sparc/sparc.c: use it.
1321 * config/i386/i386.c: use it.
1322 * config/rs6000/rs6000.c: use it.
1323 * config/arm/arm.c: use it.
1324 * config/mips/mips.c: use it.
1325 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1327 2006-01-30 Roger Sayle <roger@eyesopen.com>
1329 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1330 argv to the appropriate type.
1332 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1334 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1337 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1340 * config/s390/s390.c (struct machine_function): New flag
1341 decomposed_literal_pool_addresses_ok_p.
1342 (s390_reorg): Set it before final stage of literal pool transforms.
1343 (s390_decompose_address): Only accept displacements of the form
1344 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1346 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1348 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1349 the comparison routine return.
1351 2006-01-30 Michael Matz <matz@suse.de>
1353 * global.c (find_reg): Only evict for global regs.
1354 Take n_refs into account and dump more info.
1356 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1359 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1360 (pragma_trap, pragma_nosave_low_regs): Likewise.
1361 (current_function_anonymous_args): Likewise.
1362 (sh_deferred_function_attributes): New variable.
1363 (sh_deferred_function_attributes_tail): Likewise.
1364 (print_operand): For '@', look up trap_exit attribute.
1365 (calc_live_regs): Look up trapa_handler attribute. For trapa
1366 handlers, save/restore fpscr, but don't do any other
1367 interrupt-specific saves.
1368 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1369 Fix check for partially saved registers to check for SHmedia.
1370 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1371 (sh_output_function_epilogue): Don't clear any of the removed
1373 (sh_insert_attributes): Don't check pragma_interrupt.
1374 Insert deferred attributes. Check that interrupt attribute is
1375 present for other attributes that require its presence.
1376 (sh_attribute_table): Add new attributes trapa_handler and
1378 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1379 Don't check for pragma_interrupt. Don't store argument.
1380 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1381 (sh_deferred_function_attributes): Declare.
1382 (sh_deferred_function_attributes_tail): Likewise.
1383 * sh.md (sp_switch_1): Add operand. Change generator caller.
1384 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1385 (*return_i): Don't use when trap_exit attribute is in effect.
1386 (*return_trapa): New insn pattern.
1388 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1389 setting c_target_objs and cxx_target_objs.
1390 * t-sh: Add rule for sh-c.o.
1392 2006-01-30 Richard Guenther <rguenther@suse.de>
1395 * gimplify.c (gimplify_target_expr): Handle easy cases
1396 without creating a temporary.
1398 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1400 * vec.h (safe_grow): Remove duplicated line.
1402 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1405 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1406 (expand_omp): ... here.
1407 (expand_omp_parallel): Only remove barriers for combined
1408 parallel+workshare constructs.
1410 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1414 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1415 * tree.c (build_qualified_type): Chain the new type to the original
1416 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1417 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1418 (build_pointer_type_for_mode): Only return unqualified types.
1419 (build_reference_type_for_mode): Likewise.
1421 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1423 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1424 * Makefile.in (CXX_COMPAT_WARN): Define.
1425 * configure: Regenerate.
1427 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1430 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1433 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1435 * toplev.c: Fix thinko.
1437 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1438 Marcin Dalecki <martin@dalecki.de>
1440 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1441 (push_srcloc): Use XNEW.
1442 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1444 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1446 * df-core.c (df_set_blocks): Deleted all variable.
1448 2006-01-28 Ian Lance Taylor <ian@airs.com>
1450 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1451 cgraph_output_pending_asms.
1453 2006-01-28 Zack Weinberg <zackw@panix.com>
1455 * c.opt: Add -W(no-)overlength-strings.
1456 * doc/invoke.texi: Document it.
1457 * c-opts.c (c_common_handle_option): -pedantic implies
1458 -Woverlength-strings, if not explicitly disabled already.
1459 (c_common_post_options): -Woverlength-strings defaults to off, and
1460 is always off for C++.
1461 * c-common.c (fix_string_type): Issue warning about strings longer
1462 than is portable only if warn_overlength_strings. Rearrange code
1463 a little for clarity.
1464 * configure.in: Check for -Wno-overlength-strings as well before
1465 enabling -pedantic in stage 1.
1466 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1467 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1469 * genconditions.c (write_header, write_one_condition)
1470 (write_conditions, write_writer): Consolidate very long strings
1471 that were broken up to fit in C89 portable limit. Don't use
1472 printf when fputs will do.
1474 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1476 * combine.c (simplify_comparison <AND>): Check
1477 TRULY_NOOP_TRUNCATION before start using a subreg.
1479 * config/mips/mips.md (*branch_zero<mode>,
1480 *branch_zero<mode>_inverted, *branch_equality<mode>,
1481 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1482 Remove mode check from comparisons.
1484 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1486 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1488 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1490 * expmed.c (const_mult_add_overflow_p): Remove.
1491 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1493 * recog.c (validate_replace_rtx_subexp): Remove.
1494 * recog.h: Remove the prototype for
1495 validate_replace_rtx_subexp.
1497 * integrate.h: Remove the prototype for
1498 copy_decl_for_inlining.
1499 * rtl.h: Remove the prototype for mark_constant_function.
1500 * tree-vectorizer.h: Remove the prototype for
1501 vect_strip_conversion.
1503 * modulo-sched.c (create_partial_schedule,
1504 free_partial_schedule, reset_partial_schedule): Make them
1507 * hooks.c (hook_bool_rtx_int_false): Remove.
1508 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1510 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1512 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1513 and -mlong-double-128 are incompatible.
1514 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1515 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1516 (TARGET_LIBGCC2_CFLAGS): Define.
1517 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1518 (TARGET_LIBGCC2_CFLAGS): Same.
1519 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1521 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1524 * c-typeck.c (build_binary_op): Perform implicit casts of
1525 operands before shortening them.
1527 * cfgloopmanip.c (split_loop_bb): Remove.
1528 * cfgloop.h: Remove the prototype for split_loop_bb.
1530 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1531 * cfgloop.h: Remove the prototype for
1532 flow_loop_outside_edge_p.
1534 * emit-rtl.c (init_virtual_regs): Make it static.
1535 * function.h: Remove the prototype for init_virtual_regs.
1537 * recog.c (peephole2_optimize): Make it static.
1538 * recog.h: Remove the prototype for peephole2_optimize.
1540 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1542 * df-scan.c (df_record_entry_block_defs): Check if
1543 INCOMING_RETURN_ADDR_RTX is defined.
1545 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1546 Kenneth Zadeck <zadeck@naturalbridge.com>
1548 PR rtl-optimization/24762
1549 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1550 * targhooks.c (hook_void_bitmap): New hook prototype.
1551 * targhoohs.h (hook_void_bitmap): Ditto.
1552 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1553 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1554 * target.h (live_on_entry): New function pointer.
1555 * df-scan.c (df_all_hard_regs): Removed.
1556 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1557 (df_scan_free_internal): Added df->entry_block_defs.
1558 (df_scan_alloc): Ditto.
1559 (df_scan_dump): Ditto.
1560 (df_uses_record): Plumbed flag field properly thru calls.
1561 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1562 This part fixes PR24762.
1563 (df_bb_refs_record): Added code to make the frame and arg
1564 pointers live in EH blocks.
1565 (df_refs_record): Added call to df_record_entry_block_defs.
1566 (df_record_entry_block_defs): New function.
1567 * df-core.c: Added comments to describe new artifical defs.
1568 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1569 (entry_block_defs): New field in struct df.
1570 (df_all_hard_regs): Deleted.
1571 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1572 * df-problems.c (df_ru_bb_local_compute_process_def):
1573 Added code to handle artifical defs in the entry to a function.
1574 (df_ru_bb_local_compute): Ditto.
1575 (df_rd_bb_local_compute_process_def): Ditto.
1576 (df_rd_bb_local_compute): Ditto.
1577 (df_lr_bb_local_compute): Ditto.
1578 (df_ur_bb_local_compute): Ditto.
1579 (df_urec_bb_local_compute): Ditto.
1580 (df_chain_create_bb): Ditto.
1581 (df_ur_local_finalize): Removed entry.
1582 (df_urec_init): Ditto.
1583 (df_urec_local_finalize): Ditto.
1584 (df_ri_bb_compute): Added detection of last use of pseudos.
1585 * Makefile.in (df-scan.o): Updated dependencies.
1586 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1587 * config/mips/mips.c (mips_set_live_on_entry): Added.
1588 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1590 * dce.c (marked_insn_p): Added code to handle artifical defs.
1592 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1594 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1596 (_mm_cvtsi128_si64): Likewise.
1597 (_mm_cvtsd_si64): Likewise.
1598 (_mm_cvttsd_si64): Likewise.
1599 (_mm_cvtsi64_sd): Likewise.
1600 (_mm_cvtsi64_si128): Likewise.
1601 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1602 (_mm_cvtsi64_m64): Likewise.
1603 (_m_to_int64): Likewise.
1604 (_mm_cvtm64_si64): Likewise.
1605 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1606 (_mm_cvttss_si64): Likewise.
1607 (_mm_cvtsi64_ss): Likewise.
1608 (_mm_cvtss_f32): Likewise.
1610 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1612 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1613 for pragma redefine_extname.
1615 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1618 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1619 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1620 -mno-minimal-toc to previous content.
1621 (bispecs): Remove goal.
1622 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1623 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1624 compatibility aliases on powerpc-*-*gnu*.
1625 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1626 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1627 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1628 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1629 (ldblspecs): New goal.
1630 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1631 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1633 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1634 L_sf_to_tf or L_df_to_tf is defined.
1636 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1637 Alan Modra <amodra@bigpond.net.au>
1640 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1641 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1642 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1643 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1644 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1645 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1646 (rs6000_override_options): Initialize rs6000_ieeequad.
1647 Initialize TFmode format to ibm_extended_format if not
1649 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1651 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1652 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1653 (function_arg_advance): IBM long double passed in two FPRs, not
1655 (function_arg): IBM long double passed in FPRs.
1656 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1657 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1658 Only multireg GPR aligned.
1659 (rs6000_init_libfuncs): Enable IBM long double functions if not
1661 (rs6000_generate_compare): Use IBM long double compare if not
1663 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1664 (TARGET_IEEEQUAD): Define.
1665 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1666 not TARGET_IEEEQUAD.
1667 * config/rs6000/rs6000.md: Enable TFmode patterns if
1669 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1670 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1671 and -mlong-double-128 are incompatible.
1672 * doc/invoke.texi (-mabi): Collect options together. Add
1673 ibmlongdouble and ieeelongdouble.
1675 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1677 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1679 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1680 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1681 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1682 * rtl.h (rtunion_def): Remove rt_ptr.
1684 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1685 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1686 * config/i386/winnt.c (i386_pe_mark_dllexport)
1687 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1689 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1691 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1693 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1697 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1698 pthread_key_delete. From John David Anglin. gthrw-ify
1699 pthread_getunique_np only if it it's not a macro. Delete
1701 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1702 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1703 __gthread_objc_condition_signal, __gthread_key_delete): Add
1704 "__attribute__ ((__unused__))" to unused arguments.
1705 (__gthread_recursive_mutex_init_function): Add missing return.
1706 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1707 gthr-posix95.h: Use macro-based approach for name redirection
1708 on targets missing weakref.
1710 2006-01-26 Zack Weinberg <zackw@panix.com>
1712 * genconditions.c (write_header): In generated code, #ifdef out
1713 all includes and fake declarations, except includes of bconfig.h
1714 and system.h, unless GCC_VERSION >= 3001. Do not include
1715 gensupport.h in any case.
1716 (write_conditions): Generate a definition of struct c_test. Add
1717 a comment to the generated #endif.
1718 (write_one_condition): Escape backslashes in string too.
1719 (write_writer): Generated code must escape backslashes and quote
1720 marks (but not newlines) in the strings it writes.
1721 * Makefile.in (build/gencondmd.o): Update dependencies.
1723 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1726 * Makefile.in (insn-automata.o): Add header file dependencies.
1727 * genautomata.c: Add includes.
1729 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1732 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1734 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1736 * configure.ac: Expect target tools paths to be passed from the toplevel
1737 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1739 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1741 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1744 * c.opt (Wpointer-sign): Init to -1.
1745 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1746 OPT_pedantic, to 0 otherwise.
1747 * doc/invoke.texi: Update.
1749 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1751 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1752 constants provided by 80387 instructions in the destination mode.
1754 2006-01-26 Richard Guenther <rguenther@suse.de>
1755 Andrew Pinski <pinskia@physics.uc.edu>
1758 partial PR tree-opt/17064
1759 * tree-ssa-structalias.c (intra_create_variable_infos):
1760 Create heap variables for incoming parameters if
1761 flag_argument_noalias > 1.
1762 (find_what_p_points_to): Look through default defs of
1765 2006-01-26 Jeff Law <law@redhat.com>
1768 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1769 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1770 within the VR_RANGE, use the VR_RANGE as the result, not the
1772 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1773 bounds for the type.
1775 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1777 * tree-ssa-alias.c (maybe_create_global_var): Change
1778 subvar walking to an assertion that we don't have subvar'd variables.
1780 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1783 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1784 Use a new variable, inner. PARM_DECLs are always non-weak.
1786 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1788 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1791 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1793 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1795 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1797 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1798 (smax_insn, smin_insn, smax_0, smin_0): New.
1800 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1803 * config/cris/cris.c (cris_order_for_addsi3): New function.
1804 * config/cris/cris-protos.h: Prototype it.
1805 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1806 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1807 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1808 (split for "op.S1 [rx=rx+i],ry (swapped)")
1809 (split for "op(s|u).S1 [rx=rx+i],ry")
1810 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1811 Apply cris_order_for_addsi3 when generating addsi3 insns.
1813 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1815 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1816 (TREE_BLOCK): Add call to EXPR_CHECK.
1818 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1821 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1822 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1823 (dump_omp_clauses): ... here.
1824 (dump_generic_node): Handle OMP_CLAUSE.
1825 * tree.c (omp_clause_num_ops): New.
1826 (omp_clause_code_name): New.
1827 (tree_code_size): Handle OMP_CLAUSE.
1828 (tree_size): Likewise.
1829 (make_node): Document handling of OMP_CLAUSE.
1830 (tree_node_structure): Handle OMP_CLAUSE.
1831 (omp_clause_check_failed): New.
1832 (omp_clause_range_check_failed): New.
1833 (omp_clause_operand_check_failed): New.
1834 (build_omp_clause): New.
1835 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1836 * tree.h (enum omp_clause_code): Declare.
1837 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1838 (OMP_CLAUSE_RANGE_CHECK): Define.
1839 (OMP_CLAUSE_ELT_CHECK): Define.
1840 (omp_clause_check_failed): Declare.
1841 (omp_clause_operand_check_failed): Declare.
1842 (omp_clause_range_check_failed): Declare.
1843 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1844 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1845 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1846 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1847 (OMP_CLAUSE_IF_EXPR): Likewise.
1848 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1849 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1850 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1851 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1852 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1853 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1854 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1855 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1856 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1857 (OMP_CLAUSE_CODE): Define.
1858 (OMP_CLAUSE_SET_CODE): Define.
1859 (OMP_CLAUSE_CODE): Define.
1860 (OMP_CLAUSE_OPERAND): Define.
1861 (struct tree_omp_clause): Declare.
1862 (union tree_node): Add field 'omp_clause'.
1863 * treestruct.def (TS_OMP_CLAUSE): Define.
1864 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1865 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1866 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1867 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1868 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1869 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1870 (OMP_CLAUSE): Define.
1871 * print-tree.c (print_node): Handle OMP_CLAUSE.
1872 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1873 * c-typeck.c: Likewise.
1874 * gimplify.c: Likewise.
1875 * c-omp.c: Likewise.
1876 * tree-nested.c: Likewise.
1877 * tree-inline.c: Likewise.
1878 * c-parser.c: Likewise.
1879 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1882 2006-01-25 Roger Sayle <roger@eyesopen.com>
1884 PR rtl-optimization/25703
1885 * combine.c (try_combine): Handle zero_extract and strict_low_part
1886 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1888 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1890 * global.c: Fix comment typos.
1892 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1895 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1896 Use output_addr_const instead of assemble_name.
1898 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1900 * Makefile.in (sched-vis.o): Update dependencies.
1901 * haifa-sched.c (sched_finish): Clear current_sched_info.
1902 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1903 (dump_flow_info): Call it.
1904 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1906 * basic-block.h (dump_bb_info): Declare.
1907 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1908 option, and apply options only for dump files whose TDF_RTL,
1909 TDF_TREE, or TDF_IPA bits match.
1910 * rtl.h: Declare new functions exported from sched-vis.c.
1911 * sched-vis.c: Enable also if scheduling is not used.
1912 (print_value): Print the mode of registers if not inside scheduling.
1913 (print_insn): Make it work outside the scheduler. Beautify the output
1915 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1917 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1919 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1920 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1921 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1922 depending on the value of CONSTANT_POOL_ADDRESS_P.
1923 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1925 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1926 rather than SYMBOL_REF_DECL.
1927 (rtx_constant_pool): Remove const_rtx_sym_htab.
1928 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1929 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1930 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1931 Remove handling of const_rtx_sym_htab.
1932 (find_pool_constant): Delete.
1933 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1934 rather than find_pool_constant.
1935 (get_pool_constant_for_function): Delete.
1936 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1938 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1939 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1940 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1941 (SYMBOL_REF_CONSTANT): New macro.
1942 (get_pool_constant_for_function): Delete.
1943 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1944 rather than SYMBOL_REF_DECL.
1945 (i386_pe_mark_dllimport): Likewise.
1946 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1947 rather than SYMBOL_REF_DECL.
1948 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1949 (machopic_indirect_call_target): Likewise.
1951 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1953 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1955 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1957 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1959 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1961 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1963 2006-01-24 David Daney <ddaney@avtrex.com>
1966 * configure.ac (enable_tls): New enable option.
1967 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1968 * configure: Regenerate.
1969 * doc/install.texi (--enable-tls): Document new option.
1970 (--disable-tls): Ditto.
1972 2006-01-24 Richard Henderson <rth@redehat.com>
1974 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1975 * alias.c (true_dependence): Respect it.
1976 (canon_true_dependence, write_dependence_p): Likewise.
1977 * builtins.c (get_builtin_sync_mem): Set it.
1979 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1981 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1984 2006-01-24 DJ Delorie <dj@redhat.com>
1986 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1987 for storing constants in single-bit bitfields.
1989 2006-01-25 Ben Elliston <bje@au.ibm.com>
1991 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1993 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1996 * tree-ssa-pre.c (phi_translate): Return NULL
1997 for AGGREGATE_TYPE's.
1999 2006-01-24 Zack Weinberg <zackw@panix.com>
2001 * genautomata.c (process_state_for_insn_equiv_partition):
2002 Use xcalloc for insn_arcs_array.
2003 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2004 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2006 2006-01-24 Richard Henderson <rth@redhat.com>
2008 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2011 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2013 PR rtl-optimization/25890
2014 PR rtl-optimization/25905
2015 * combine.c (expand_compound_operation, expand_field_assignment):
2016 Fail if the bitfield's final position is out of bounds.
2018 2006-01-24 Ian Lance Taylor <ian@airs.com>
2021 * cgraphunit.c (cgraph_output_in_order): Don't clear
2022 cgraph_asm_nodes until after asm strings have been output.
2024 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2026 * fix-header.c (read_scan_file): Add new parameter imultilib when
2027 calling register_include_chains.
2029 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2031 * omp-low.c: Update documentation.
2033 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2034 Daniel Berlin <dberlin@dberlin.org>
2038 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2039 return from the function.
2041 2006-01-22 Zack Weinberg <zackw@panix.com>
2043 * rtl.def (match_code): Add second argument.
2044 * genpreds.c (write_extract_subexp): New function.
2045 (write_match_code): Add path argument. Use write_extract_subexp.
2046 (write_predicate_expr): Pass path to write_match_code.
2047 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2048 not perform a mode test.
2049 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2050 a subexpression does not constrain the top-level code set.
2051 * read-rtl.c (read_rtx_variadic): New function.
2052 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2053 * doc/md.texi: Document new notation.
2054 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2055 (cmpsi_operand): ... here, using new notation.
2057 2006-01-22 Zack Weinberg <zackw@panix.com>
2059 * varray.c: Remove GENERATOR_FILE #ifdefs.
2061 2006-01-22 Zack Weinberg <zackw@panix.com>
2063 * genautomata.c (output_reserved_units_table): Emit nothing if
2064 description->query_units_num is zero. Remove extra blank line.
2065 (output_cpu_unit_reservation_p): Short circuit
2066 if description->query_units_num is zero.
2068 2006-01-22 Zack Weinberg <zackw@panix.com>
2070 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2071 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2072 nor any of the random handful of variables that used to be necessary
2073 when this program was linked with rtlanal.o. Prune set of forward
2074 function declarations.
2075 (struct attr_desc): Remove static_p field.
2076 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2077 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2078 (attr_string): Do not read the character one past the length of
2080 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2081 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2082 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2083 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2084 (make_automaton_attrs): New.
2085 (main): Do not call into genautomata. Call local gen_bypass
2086 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2087 Remove special case for insn_alts.
2088 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2089 varray.h (leftover from previous change). Prune set of forward
2090 function declarations. Remove state_alts fields from all
2091 structures. Remove state_alts_table from struct automaton.
2092 Make everything except main static. Do not maintain num_dfa_decls.
2093 Do not maintain state_alts fields of various structures.
2094 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2095 (add_arc): Remove state_alts argument. All callers updated.
2096 (output_reserved_units_table): Emit #ifdef here...
2097 (output_tables): ...not here. Don't generate state_alts tables.
2098 (expand_automata): Don't generate attributes.
2099 (write_automata): Don't generate state_alts functions.
2100 (main): New function.
2101 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2102 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2103 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2104 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2105 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2106 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2107 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2108 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2110 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2111 * genattrtab.h: Delete file.
2112 * Makefile.in (OBJS-common): Add insn-automata.o.
2113 (insn-automata.o): New rule.
2114 (simple_generated_c): Add insn-automata.c.
2115 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2116 (genprogmd): Add automata.
2117 (build/genattrtab): Needs no extra objects nor libraries.
2118 (build/genautomata): Needs build/vec.o and -lm.
2120 2006-01-22 Zack Weinberg <zackw@panix.com>
2122 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2123 (output_dfa_max_issue_rate, locked_states_num): Delete.
2124 (struct automaton): Add locked_states field.
2125 (output_dead_lock_vect): Save number of locked states in
2126 automaton->locked_states. If it is zero, don't print anything.
2127 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2128 (output_internal_dead_lock_func): Only test the dead_lock_vect
2129 for automata that have locked states.
2130 (output_statistics): Always print the number of locked states for
2131 each automaton. Calculate total number of locked states here.
2132 (write_automata): Don't call output_dfa_max_issue_rate.
2133 * genattrtab.c: Define length_unit_log as a const variable.
2134 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2135 max_insn_queue_index const.
2136 * final.c (length_unit_log): Declare const.
2137 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2139 2006-01-22 Zack Weinberg <zackw@panix.com>
2141 * genautomata.c: Include vec.h, not varray.h.
2142 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2143 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2144 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2145 VEC_* macros operating on appropriately typed vectors, or to
2146 malloced arrays when the size is known in advance. Const-ify
2147 many char* variables and function arguments. No functional changes.
2148 * Makefile.in (build/varray.o): Delete rule.
2149 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2150 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2152 2006-01-22 Zack Weinberg <zackw@panix.com>
2154 * gensupport.c: Define get_insn_name and record_insn_name here.
2155 (read_md_rtx): Call record_insn_name as appropriate.
2156 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2157 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2158 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2160 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2161 (BUILD_VARRAY): Delete.
2162 (genprognormal): Rename genprogmd. Fold in all programs from
2163 genprognoprint; also attrtab.
2164 (build/genattrtab): Just mention genautomata.o and varray.o.
2165 Reorganize a bit, add comments to make the categories clearer.
2167 2006-01-22 Zack Weinberg <zackw@panix.com>
2169 * genconditions.c (condition_table, add_condition): Delete.
2170 (write_conditions): Don't emit n_insn_conditions nor
2171 insn_elision_unavailable. Issue the gcc version #ifdef here,
2172 inside the table, with no #else clause ...
2173 (write_header): ...not here.
2174 (write_writer): New function.
2175 (main): Don't initialize condition_table. Use add_c_test.
2177 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2178 files on the command line.
2179 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2180 Return -1 if there is no entry in the table, don't abort.
2181 (add_c_test, traverse_c_tests): New functions.
2182 * gensupport.h (insn_elision_unavailable, insn_conditions)
2183 (n_insn_conditions): Delete declarations.
2184 (add_c_test, traverse_c_tests): Declare.
2185 * read-rtl.c: Include gensupport.h.
2186 (read_conditions): New function.
2187 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2188 (read_rtx_1): If we get EOF when we were looking for an initial
2189 open paren, return 0. Call read_conditions when appropriate.
2190 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2191 dummy-conditions.o. Eliminate references to insn-conditions.o,
2192 or change them to build/gencondmd.o, as appropriate. Remove
2193 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2194 from $(simple_generated_c). For all files remaining in those
2195 two lists, add insn-conditions.md to the generator command line.
2196 Give insn-constants.h/s-constants their own rules. Add rules
2197 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2198 (build/read-rtl.o): Depend on gensupport.h.
2199 (genprognormal): Include preds.
2200 (genprogearly): Rename genprognoprint; only difference is now that
2201 they don't link with $(BUILD_PRINT).
2202 * dummy-conditions.c: Delete.
2204 2006-01-22 Zack Weinberg <zackw@panix.com>
2206 * genextract.c: Don't include insn-config.h. Do include vec.h.
2207 Declare vectors of int, char, and locstr.
2208 (locstr): New typedef.
2209 (struct extraction): Make all array fields into bare pointers.
2210 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2211 (insn_code_number): Delete.
2212 (accum_extract): New struct.
2213 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2214 (gen_insn): Take insn_code_number as an argument. Use an
2215 accum_extract structure instead of loading data directly into
2216 a struct extraction, and having to know how big it might get.
2217 (walk_rtx): Operate entirely on an accum_extract structure.
2218 (print_path): Avoid unnecessary use of printf.
2219 (print_header): New function, split out of main. Distinguish
2220 more carefully between an unrecognizable insn and an insn that
2221 has the code number of a define_expand.
2222 (main): Pass insn_code_number to gen_insn. Call print_header
2223 only after parsing. Avoid unnecessary use of printf.
2224 * Makefile.in (build/vec.o): New rule.
2225 (build/genextract): Depend on build/vec.o.
2226 (build/genextract.o): Don't depend on insn-config.h.
2228 2006-01-22 Zack Weinberg <zackw@panix.com>
2230 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2231 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2232 practical. Eliminate per-generator-program link rules.
2234 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2237 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2238 with a call expr to ...
2239 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2241 2006-01-23 Richard Guenther <rguenther@suse.de>
2243 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2244 before make_edge with conditional EDGE_TRUE_VALUE.
2246 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2247 Jan Hubicka <jh@suse.cz>
2248 Richard Guenther <rguenther@suse.de>
2250 PR rtl-optimization/25654
2251 * cfgexpand.c (aggregate_contains_union_type): New function.
2252 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2253 for structure variables that contain a union type.
2255 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2257 * gengtype.c (new_structure): Return the structure.
2258 (create_option): Add an extra "next" argument.
2259 (create_field): New function.
2260 (adjust_field_rtx_def): Use create_option and create_field.
2261 Remove a now-unnecessary call to find_structure.
2262 (adjust_field_tree_def): Likewise.
2263 (note_yacc_type): Remove an unnecessary call to find_structure.
2264 * gengtype.h (new_structure): Return the structure.
2265 (create_option): Add an extra argument.
2266 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2267 (option): Adjust calls to create_option.
2269 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2271 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2273 2006-01-22 Paul Brook <paul@codesourcery.com>
2274 Peter Barada <peter@the-baradas.com>
2276 * config/m68k/m68k.md: Add Coldfire FPU support.
2277 Define FP mode macro and associated attributes.
2278 Use it for float mode patterns.
2279 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2280 (LIBCALL_VALUE): Use m68k_libcall_value.
2281 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2282 (m68k_function_value): Ditto.
2283 (emit_move_sequence): Ditto.
2284 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2285 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2286 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2287 (MULTILIB_EXCEPTIONS): Ditto.
2288 * config/m68k/m68k.opt: Add mcfv4e.
2289 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2290 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2291 (m68k_output_function_prologue): Save ColdFire FPU registers.
2292 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2293 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2294 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2295 ColdFire FPU registers.
2296 (m68k_libcall_value, m68k_function_value): New functions.
2297 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2298 (LIBCALL_VALUE): Use m68k_libcall_value.
2299 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2300 (MASK_COLDFIRE): Add MASK_CFV4E.
2301 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2302 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2303 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2304 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2305 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2306 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2307 * doc/invoke.tex: Document -mcfv4e on m68k.
2309 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2311 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2314 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2317 * c-opts.c (c_common_handle_option): Don't include
2318 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2319 * doc/invoke.texi (C++ Dialect Options): Document that
2320 -Wnon-virtual-dtor is no longer included in -Wall.
2322 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2324 * gcov.c (print_version), gcov-dump.c (print_version),
2325 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2328 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2330 * df-scan.c (problem_SCAN): Added NULL reset function.
2331 (df_scan_reset_blocks): Added code to call reset block function
2332 (df_bb_refs_delete) Fixed comment.
2333 (df_insn_refs_delete): Made tolerant of deleting non existent info
2334 for dataflow problems that need to be reset.
2335 * df-core.c (df_set_blocks): Ditto.
2336 * df.h (struct df_problem): Added reset_fun.
2337 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2338 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2339 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2340 functions to clear out all references to def-use or use-def chains.
2342 2006-01-21 Ben Elliston <bje@au.ibm.com>
2344 * varasm.c (assemble_real): Initialise data array.
2346 2006-01-20 Paul Brook <paul@codesourcery.com>
2348 Merge from csl-arm-branch.
2349 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2350 * config/arm/arm.md (movdi): Force operands[1] to a register
2351 if we have a non-register source.
2352 (*arm_movdi, *movdf_soft_insn): Require that one of the
2353 operands be a register.
2354 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2355 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2357 2006-01-20 DJ Delorie <dj@redhat.com>
2359 * varasm.c (initialize_constant_valid_p): Allow pointers
2360 initialized from integer constants of lesser precision.
2361 (output_constant): Allow non-int-sized pointer modes to be
2362 initialized from integer constants.
2364 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2367 * cppdefault.h (struct default_include): Add multilib flag.
2368 * cppdefault.c (cpp_include_defaults): Set it.
2369 * c.opt (-imultilib): New option.
2370 * c-opts.c (imultilib): New.
2371 (c_common_handle_option): Handle -imultilib.
2372 (c_common_post_options): Likewise.
2373 * c-incpath.c (add_standard_paths, register_include_chains):
2375 * c-incpath.h (register_include_chains): Add extra parameter.
2376 * gcc.c (do_spec_1): Generate -imultilib option.
2377 (The Specs Language): Update %I description.
2378 (process_command): Update copyright notice.
2379 * doc/cppopts.texi (-imultilib): Document.
2380 * doc/invoke.texi (-imultilib): Include in option summary.
2381 (%I): Update specs documentation.
2383 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2385 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2387 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2389 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2392 2006-01-20 Richard Guenther <rguenther@suse.de>
2393 Steven Bosscher <stevenb.gcc@gmail.com>
2395 PR rtl-optimization/24626
2396 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2397 EDGE_TRUE_VALUE if in RTL mode.
2400 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2401 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2403 2006-01-20 Dirk Mueller <dmueller@suse.com>
2406 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2407 instead of a special NOP marker.
2408 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2409 NOP marker handling.
2410 * c-common.h (empty_body_warning): Add forward declaration.
2411 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2412 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2414 2006-01-20 Paul Brook <paul@codesourcery.com>
2416 * Makefile.in (lang_checks): Keep going if mkdir fails.
2418 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2420 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2421 be able to clean out basic block when not necessary.
2422 (df_scan_free): Fixed to properly delete information if df is
2423 unused before calling df_finish.
2424 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2425 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2427 (df_bb_refs_delete): New function.
2428 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2429 * df-core.c (df_set_blocks): Added code to properly clean out
2430 unused blocks if they are not part of the blocks to consider.
2431 Added additional null check.
2432 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2433 be able to clean out basic block when not necessary
2434 * df.h (df_free_bb_function): Ditto.
2435 (df_bb_refs_delete): New function.
2436 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2437 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2438 basic block parameter to be able to clean out basic block when not
2440 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2441 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2442 Fixed to properly delete information if df is unused before
2445 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2447 PR rtl-optimization/25799
2448 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2449 Corrected confluence operator to remove bits from op2 before oring
2450 with op1 rather than removing bits from op1.
2451 (df_ru_transfer_function): Corrected test on wrong bitmap which
2452 caused infinite loop. Both of these problems were introduced in
2453 the dataflow rewrite.
2455 2006-01-19 DJ Delorie <dj@redhat.com>
2457 * reload1.c (find_reload_regs): Note the details of reload
2458 failures in the dump file.
2459 (spill_failure): Likewise.
2461 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2463 * loop-iv.c: Include df.h and hashtab.h.
2464 (enum iv_grd_result): New enum.
2465 (DF_REF_IV, DF_REF_IV_SET): New macros.
2466 (struct biv_entry): New.
2467 (df, bivs): New global variables.
2468 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2469 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2471 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2472 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2473 analyzed_for_bivness_p, record_biv): New functions.
2474 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2475 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2476 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2478 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2480 (iv_number_of_iterations): Use new interface to iv analysis.
2481 * loop-unroll.c: Do not include varray.h.
2482 (analyze_iv_to_split_insn): Use new interface to iv
2484 * loop-unswitch.c (may_unswitch_on): Ditto.
2485 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2487 (df_bb_modify): Realloc tables to the new index.
2488 (df_find_use): New function.
2489 * df.h (df_find_use): Declare.
2490 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2492 * cfgloop.h (struct rtx_iv): Remove analysed field.
2493 (iv_get_reaching_def): Removed.
2494 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2495 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2496 (loop-iv.o): Add df.h and hashtab.h dependency.
2497 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2499 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2502 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2504 (__floatundisf, __floatundidf): Likewise.
2505 * libgcc2.h (IS_IBM_EXTENDED): Define.
2507 2006-01-19 DJ Delorie <dj@redhat.com>
2509 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2511 2006-01-19 Paul Brook <paul@codesourcery.com>
2513 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2514 as nothrow when unwinding tables are disabled.
2516 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2519 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2520 of bit-field" when in system header.
2522 2006-01-19 DJ Delorie <dj@redhat.com>
2524 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2525 the 16 bit shift limit of the m16c.
2527 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2530 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2531 * config/i386/i386.c (output_set_got): Output the label if we have one
2532 for the TARGET_DEEP_BRANCH_PREDICTION case.
2534 2006-01-19 Jan Hubicka <jh@suse.cz>
2535 H.J. Lu <hongjiu.lu@intel.com>
2536 Evandro Menezes <evandro.menezes@amd.com>
2538 * invoke.texi (generic): Document
2540 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2541 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2542 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2543 (x86_use_incdec, x86_pad_returns): New variables
2544 (TARGET_CPU_DEFAULT_generic): New constant
2545 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2546 (enum processor_type): Add generic32 and generic64.
2547 * i386.md (cpu attribute): Add generic32/generic64
2548 (movhi splitter): Behave sanely when both partial_reg_dependency and
2549 partial_reg_stall are set.
2550 (K8 splitters): Enable for generic as well.
2551 * predicates.md (incdec_operand): Use TARGET_INCDEC
2552 (aligned_operand): Avoid memory mismatch stalls.
2553 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2554 * ppro.md: Enable for generic32
2555 * i386.c (generic64_cost, generic32_cost): New.
2556 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2557 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2558 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2559 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2560 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2561 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2562 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2563 x86_accumulate_outgoing_args, x86_prologue_using_move,
2564 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2565 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2567 (x86_use_incdec, x86_pad_returns): New.
2568 (override_options): Add generic32 and generic64, translate "generic"
2569 to generic32/generic64 and "i686" to "generic32", refuse
2570 "generic32"/"generic64" as arch target.
2571 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2572 (ix86_reorg): Honor PAD_RETURNS.
2574 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2576 * tree-pretty-print.c (dump_generic_node): Handle
2577 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2578 * cgraph.c (cgraph_expand_queue): Rename from
2579 cgraph_analyze_queue. Update all users.
2580 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2581 cgraph_expand_queue.
2582 (cgraph_expand_all_functions): Likewise.
2583 (cgraph_finalize_pending_functions): Remove. Update callers.
2585 * tree.h (OMP_DIRECTIVE_P): Define.
2586 (OMP_PARALLEL_FN): Define.
2587 (OMP_PARALLEL_DATA_ARG): Define.
2588 (OMP_SECTIONS_SECTIONS): Define.
2589 * tree-pass.h (pass_expand_omp): Declare.
2590 * omp-low.c (struct omp_region): Declare.
2591 (struct omp_context): Remove fields 'parallel_type',
2592 'parallel_start_ix' and 'parallel_start_additional_args'.
2594 (struct omp_for_data): Rename from struct expand_omp_for_data.
2595 (omp_regions): New static variable.
2596 (root_omp_region): New static variable.
2597 (find_omp_clause): Make static.
2598 (is_in_combined_parallel_ctx): Remove.
2599 (is_combined_parallel): New.
2600 (extract_omp_for_data): Move earlier in the file.
2601 (workshare_safe_to_combine_p): New.
2602 (get_ws_args_for): New.
2603 (determine_parallel_type): Move earlier in the file.
2604 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2606 (omp_copy_decl): Likewise.
2607 (create_omp_child_function): Likewise.
2608 (lookup_omp_region): New.
2609 (dump_omp_region): New.
2610 (debug_omp_region): New.
2611 (debug_all_omp_regions): New.
2612 (new_omp_region): New.
2613 (scan_omp_parallel): If parallel_nesting_level > 1, the
2614 directive is nested within another parallel directive.
2615 Set OMP_PARALLEL_FN.
2616 (scan_omp_for): Do not try to handle combined parallel+for
2618 Remove FIXME comment.
2619 (scan_omp_nested): Remove.
2620 (scan_omp_1): Do not call scan_omp_nested when
2621 parallel_nesting_level is > 1.
2622 Do not change the DECL_CONTEXT of local variables found.
2623 (lookup_decl_in_outer_ctx): New.
2624 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2625 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2626 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2627 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2628 If CTX is nested, lookup VAR in the outer context when
2629 building copy assignment.
2630 (lower_send_clauses): Rename from expand_send_clauses.
2631 If CTX is nested, lookup VAR in the outer context when
2632 building copy assignments.
2633 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2634 If CTX is nested, lookup VAR in the outer context when
2635 building copy assignments.
2636 (expand_parallel_call): Rename from build_parallel_call.
2637 Handle combined parallel+workshare cases.
2638 Re-implement to emit code into the CFG.
2640 (expand_omp_parallel): Re-implement to emit code into the CFG.
2641 Call move_sese_region_to_fn to outline the sub-graph
2642 containing the parallel region.
2643 (expand_omp_for_1): Remove.
2644 (expand_omp_for_generic): Re-implement to emit code into the
2646 (expand_omp_for_static_nochunk): Likewise.
2647 (expand_omp_for_static_chunk): Likewise.
2648 (expand_omp_for): Likewise.
2649 (expand_omp_sections): Likewise.
2650 (remove_exit_barriers): New.
2651 (expand_omp_synch): New.
2653 (build_omp_regions_1): New.
2654 (build_omp_regions): New.
2655 (execute_expand_omp): New.
2656 (gate_expand_omp): New.
2657 (pass_expand_omp): Define.
2658 (lower_omp_sections): Rename from expand_omp_sections.
2659 Set OMP_SECTIONS_SECTIONS.
2660 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2661 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2662 (lower_omp_single): Rename from expand_omp_simple.
2663 (lower_omp_master): Rename from expand_omp_master.
2664 (lower_omp_ordered): Rename from expand_omp_ordered.
2665 (lower_omp_critical): Rename from expand_omp_critical.
2666 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2667 (lower_omp_for): Re-implement.
2668 (lower_omp_parallel): Re-implement.
2669 (lower_regimplify): Rename from expand_regimplify.
2670 (lower_omp_1): Rename from expand_omp_1.
2671 If there are syntax errors in the program, replace every
2672 OpenMP directive with NOP.
2673 Call lower_omp_* instead of expand_omp_*.
2674 (lower_omp): Rename from expand_omp.
2676 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2677 * tree-gimple.h (enum omp_parallel_type): Remove.
2678 (gimple_boolify): Declare extern.
2679 (find_omp_clause, determine_parallel_type): Remove.
2681 * gimple-low.c (lower_omp_directive): New.
2682 (lower_stmt): Call it.
2683 (record_vars_into): Move from ...
2684 (record_vars): ... here.
2685 Call record_vars_into with current_function_decl.
2687 * gimplify.c (struct gimplify_ctx): Remove fields
2688 combined_pre_p and combined_ctxp. Update users.
2689 (get_formal_tmp_var): Add documentation.
2690 (gimple_boolify): Make extern.
2691 (gimplify_expr_in_ctx): Remove. Update callers.
2692 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2693 will always be a BIND_EXPR.
2694 (gimplify_expr): Handle OMP_RETURN_EXPR.
2695 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2696 (OMP_PARALLEL): Add 3 operands.
2697 (OMP_SECTIONS): Add 1 operand.
2698 (OMP_RETURN_EXPR): Define.
2700 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2701 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2702 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2703 creating a circular free list.
2704 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2706 * tree-flow.h (move_sese_region_to_fn): Declare.
2707 (record_vars_into): Declare.
2708 * tree-cfg.c (make_omp_sections_edges): New.
2709 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2710 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2711 OMP_SECTIONS and OMP_SECTION.
2712 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2713 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2714 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2715 (gather_blocks_in_sese_region): New.
2716 (struct move_stmt_d): Declare.
2718 (move_block_to_fn): New.
2719 (move_sese_region_to_fn): New.
2721 * passes.c (init_optimization_passes): Schedule
2722 pass_expand_omp after pass_init_datastructures.
2724 * tree-ssa-operands.c (get_expr_operands): Handle
2725 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2726 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2728 2006-01-19 Jeff Law <law@redhat.com>
2730 * tree-vrp.c (extract_range_from_assert): Refine the result range
2731 if the variable referenced by the ASSERT_EXPR has a range and
2732 either the tentative result range or the previous range is a
2735 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2737 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2739 2006-01-19 Jan Hubicka <jh@suse.cz>
2741 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2743 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2745 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2746 (expand_compound_operation, expand_field_assignment): Fail if the
2747 bit lengths of an extract operation are out of range.
2748 (make_extraction): Compute wanted_inner_mode based on the position
2749 and length of the extraction. Make it extraction_mode for non-constant
2750 positions, and do not modify offset in that case. When generating a
2751 new MEM, use a mode that can hold the extraction while keeping correct
2752 alignment. Remove code that supported MEMs wrapped by USEs.
2753 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2755 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2757 * config/s390/s390.md ("Y", "y"): New mode attribute.
2758 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2759 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2760 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2761 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2762 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2763 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2764 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2765 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2766 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2767 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2768 "addsi3", "subsi3"): Insn patterns removed.
2769 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2770 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2771 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2772 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2773 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2774 "*sub<mode>3_cconly2"): New insn patterns.
2775 ("addsi3", "subsi3"): New expanders.
2777 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2779 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2780 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2781 existing STMT_VINFO_VECTYPE if available.
2782 (vect_mark_relevant): Add special handling for stmts that are
2783 marked as STMT_VINFO_IN_PATTERN_P.
2784 (vect_analyze_loop): Call vect_pattern_recog.
2785 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2786 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2788 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2789 (vect_recog_func_ptr): New function-pointer type.
2790 * tree-vect-patterns.c: New file.
2791 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2792 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2793 (vect_pattern_recog_1): New functions.
2794 (vect_pattern_recog_funcs): New array of function pointers.
2796 * tree-vectorizer.h (ternary_op): New enum value.
2797 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2798 declaration. Revised documentation. Removed redundant dump prints.
2799 Removed redundant argument. Added support for reduction patterns.
2800 (vectorizable_reduction): Added support for reduction patterns.
2801 (vect_transform_stmt): Added support for patterns.
2803 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2804 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2805 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2806 (expand_widen_pattern_expr): New function.
2807 (init_optabs): Initialize new optabs udot_prod_optab,
2809 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2810 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2811 (expand_widen_pattern_expr): New function declaration.
2812 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2814 * tree-inline.c (estimate_num_insns_1): Added cases for new
2815 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2816 * tree-pretty-print.c (dump_generic_node): Likewise.
2817 (op_prio): Likewise.
2818 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2819 * tree-ssa-operands.c (get_expr_operands): Added case for
2821 * tree-vect-patterns.c (widened_name_p): New function.
2822 (vect_recog_dot_prod_pattern): Added function implementation.
2823 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2824 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2825 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2826 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2828 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2829 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2830 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2831 (init_optabs): Initialize new optabs widen_ssum_optab,
2833 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2834 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2835 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2836 use instead of type of def.
2837 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2838 function implementation.
2839 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2840 widen_ssumv8hi): New.
2842 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2845 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2848 * c-decl.c (add_flexible_array_elts_to_size): New function.
2849 (finish_decl): Use it.
2851 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2853 * diagnostic.h: Include options.h.
2854 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2855 dependancies for diagnostic.h.
2856 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2858 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2860 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2861 (ssa_ro_call_cache_valid): Ditto.
2862 * tree-ssa-alias.c (sort_tags_by_id): New function.
2863 (init_transitive_clobber_worklist): Ditto.
2864 (add_to_worklist): Ditto.
2865 (mark_aliases_call_clobbered): Ditto.
2866 (compute_tag_properties): Ditto.
2867 (set_initial_properties): Ditto.
2868 (compute_call_clobbered): Ditto.
2869 (compute_may_aliases): Call compute_call_clobbered and grouping.
2870 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2871 (compute_flow_insensitive_aliasing): Grouping now happens in our
2873 (setup_pointers_and_addressables): Remove clobbering related code.
2874 (add_may_alias): Ditto.
2875 (replace_may_alias): Ditto.
2876 (get_nmt_for): Ditto.
2877 (create_global_var):
2878 (is_escape_site): Return an escape_type enumeration.
2879 * tree-flow-inline.h (is_call_clobbered): Global var does not
2880 imply call clobbered.
2881 (mark_call_clobbered): Take a reason for marking this. Remove
2882 marking of globalness, and cache invalidation.
2883 (clear_call_clobbered): Remove cache invalidation code.
2884 * tree-dfa.c (dump_variable): If details is on, dump the reason
2886 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2888 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2889 (struct var_ann_d): Ditto.
2890 (enum escape_type): New.
2891 (mark_call_clobbered): Adjust prototype.
2892 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2893 are never call clobbered.
2894 Record reasons for escaping.
2895 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2896 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2897 (ssa_ro_call_cache_valid): Ditto.
2898 (clobbered_v_may_defs): Ditto.
2899 (clobbered_vuses): Ditto.
2900 (ro_call_vuses): Ditto.
2901 (clobber_stats): New.
2902 (init_ssa_operands): Zero out clobber stats.
2903 (fini_ssa_operands): Print out clobber stats.
2904 (get_call_expr_operands): Pass callee fndecl to
2906 (add_call_clobber_ops): Remove use of cache.
2907 Add use of PURE_CONST information.
2908 (add_call_read_ops): Remove use of cache.
2909 Add use of static not_read information.
2911 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2913 Introduce TLS descriptors for i386 and x86_64.
2914 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2915 (TARGET_ANY_GNU_TLS): New macro.
2916 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2917 (struct machine_function): Add tls_descriptor_call_expanded_p.
2918 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2919 (ix86_current_function_calls_tls_descriptor): Likewise.
2920 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2921 (override_options): Introduce gnu2 tls dialect.
2922 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2924 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2926 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2927 (ix86_init_machine_status): Initialize new field.
2928 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2929 (ix86_tls_module_base): New.
2930 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2931 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2932 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2933 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2934 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2935 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2936 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2937 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2938 * config/i386/predicates.md (tls_modbase_operand): New.
2939 (tp_or_register_operand): New.
2941 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2943 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2944 (look_for_address_of): Ditto.
2945 (ipa_init): Walk the function decls.
2946 (static_execute): Don't set readonly on FUNCTION_DECL's.
2948 2006-01-18 Roger Sayle <roger@eyesopen.com>
2950 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2951 for shifts where the source and destination registers are different.
2953 2006-01-18 Paul Brook <paul@codesourcery.com>
2955 Merge from csl-arm-branch.
2956 2005-03-14 Julian Brown <julian@codesourcery.com>
2957 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2958 (aeabi_llsl): Likewise.
2959 (ashrdi3): Likewise.
2960 (aeabi_lasr): Likewise.
2961 (lshrdi3): Likewise.
2962 (aeabi_llsr): Likewise.
2963 2005-03-10 Julian Brown <julian@codesourcery.com>
2964 * config.gcc: Disable shared libgcc for SymbianOS.
2965 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2967 2006-01-18 DJ Delorie <dj@redhat.com>
2969 * c-pragma.c (handle_pragma_diagnostic): New.
2970 (init_pragma): Register it.
2971 * doc/extend.texi: Document it.
2973 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2974 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2975 (diagnostic_context): Add classify_diagnostic[].
2976 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2977 as errors if they're overridden to DK_WARNING.
2978 (diagnostic_initialize): Initialize classify_diagnostic[].
2979 (diagnostic_set_kind_override): New.
2980 (diagnostic_report_diagnostic): Check for kind changes.
2981 * opts.c (common_handle_option): Take lang_mask. Update callers.
2983 * common.opt (Werror=): New.
2984 * doc/invoke.texi: Document -Werror=*
2986 2006-01-18 Jeff Law <law@redhat.com>
2988 * tree-vrp.c (test_for_singularity): Correct test for new
2989 min limit. Use operand_equal_p rather than pointer equality
2990 for testing if new min/max values are equal.
2992 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2993 using range information until after propagation and folding.
2995 2006-01-18 Richard Henderson <rth@redhat.com>
2996 Aldy Hernandez <aldyh@redhat.com>
2997 Jakub Jelinek <jakub@redhat.com>
2998 Diego Novillo <dnovillo@redhat.com>
3000 * omp-low.c: New file.
3001 * c-omp.c: New file.
3003 2006-01-18 Richard Henderson <rth@redhat.com>
3004 Jakub Jelinek <jakub@redhat.com>
3005 Diego Novillo <dnovillo@redhat.com>
3007 * doc/invoke.texi: Document -fopenmp.
3008 * tree-dump.h (debug_function): Declare.
3009 * hooks.c (hook_bool_tree_bool_false): New function.
3010 (hook_tree_tree_null): Remove.
3011 (hook_tree_tree_tree_null): New.
3012 * hooks.h: Update to match.
3013 * tree-pretty-print.c (debug_tree_chain): New.
3014 (print_generic_expr): Handle TDF_CHAIN.
3015 (dump_generic_node): Handle BLOCK.
3016 Do not abort with incomplete SWITCH_EXPRs.
3017 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3018 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3019 print space after directive name.
3020 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3021 Handle OMP_MASTER and OMP_ORDERED.
3022 Handle printing of OMP_BODY just in one place, goto
3023 dump_omp_body in the rest of OMP_* nodes that have
3025 Don't handle clause nodes here. Update omp statements to
3026 use dump_omp_clauses.
3027 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3028 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3029 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3030 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3031 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3032 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3033 Adjust output for GOMP_PARALLEL.
3034 (dump_omp_clauses): New.
3035 (print_declaration): Dump DECL_VALUE_EXPR.
3036 (op_symbol_1): Split out of op_symbol.
3037 (dumping_stmts): Remove. Update all users.
3038 * cgraph.c (cgraph_analyze_queue): New.
3039 (cgraph_add_new_function): New.
3040 * cgraph.h (cgraph_analyze_queue): Declare.
3041 (cgraph_add_new_function): Declare.
3042 (cgraph_lower_function): Remove.
3043 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3044 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3045 and TYPE_P nodes in its default clause.
3046 (empty_body_p): New.
3047 (tree_range_check_failed): New.
3049 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3050 OMP_CLAUSE_REDUCTION_MERGE,
3051 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3052 OMP_CLAUSE_PRIVATE_DEBUG,
3053 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3054 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3055 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3056 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3057 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3058 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3059 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3060 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3061 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3062 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3063 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3064 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3065 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3066 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3067 (TREE_RANGE_CHECK): New.
3068 (empty_body_p): Declare.
3069 (enum omp_clause_default_kind): New.
3070 (build_string_literal): Declare.
3071 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3072 (build5_stat, build5): Declare.
3073 * tree-pass.h (TDF_CHAIN): Define.
3074 * tree-pass.h (PROP_gimple_lomp): Define.
3075 (pass_lower_omp): Declare.
3076 * diagnostic.h (debug_tree_chain): Declare.
3077 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3079 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3080 * builtins.c (build_string_literal): Make extern.
3081 * gcc.c (include_spec_function): New.
3082 (static_spec_functions): Add it.
3083 (main): Move load of libgomp.spec ...
3084 (LINK_COMMAND_SPEC): ... here.
3085 (link_gomp_spec): New.
3086 (static_specs): Include it.
3087 (LINK_COMMAND_SPEC): Add link_gomp.
3088 (GOMP_SELF_SPECS): New.
3089 (driver_self_specs): Include it.
3090 (switch_matches): Don't mark inline.
3091 (main): Load libgomp.spec.
3092 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3093 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3094 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3095 * tree-gimple.h (enum omp_parallel): Declare.
3096 (determine_parallel_type): Declare.
3097 (omp_firstprivatize_variable): Declare.
3098 (omp_reduction_init): Declare.
3099 (diagnose_omp_structured_block_errors): Declare.
3100 (struct walk_stmt_info): Add want_return_expr.
3101 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3102 (find_omp_clause): Declare.
3103 (insert_field_into_struct): Declare.
3104 (struct walk_stmt_info): Move from tree-nested.c
3105 (walk_stmts): Declare.
3106 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3108 * cgraphunit.c (cgraph_lower_function): Make static.
3109 (cgraph_finalize_pending_functions): New.
3110 (cgraph_finalize_function): Call it.
3111 (cgraph_finalize_compilation_unit): Likewise.
3112 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3113 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3114 (BT_FN_UINT_UINT): New.
3115 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3116 DEF_FUNCTION_TYPE_VAR_4): Document.
3117 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3118 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3119 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3120 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3121 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3122 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3123 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3124 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3125 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3126 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3127 into separate files.
3128 (DEF_GOMP_BUILTIN): New.
3129 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3130 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3131 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3132 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3133 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3134 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3135 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3136 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3137 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3138 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3139 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3140 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3141 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3142 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3143 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3144 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3145 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3146 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3147 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3148 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3149 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3150 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3151 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3152 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3153 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3154 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3155 * sync-builtins.def: New file, moved from builtins.def.
3156 * omp-builtins.def: New file, moved from builtins.def.
3157 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3158 * gimple-low.c (lower_function_body): Clear data.
3159 (lower_stmt): Do not handle COMPOUND_EXPR.
3160 Remove call to print_node_brief.
3161 * c-tree.h (c_finish_omp_clauses): New prototype.
3162 (C_DECL_THREADPRIVATE_P): Define.
3163 (lookup_name_no_remap, c_omp_remap_private): Remove
3164 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3165 (check_for_loop_decls): Update decl.
3166 (lookup_name_no_remap, c_omp_remap_private): Declare.
3167 (build_indirect_ref, build_modify_expr, pushdecl,
3168 pushdecl_top_level): Move to c-common.h.
3169 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3170 before the switch, but just in the 2 places that need it.
3171 * c-decl.c (diagnose_mismatched_decls): Do not check for
3172 mismatched thread-local attributes when OLDDECL is marked
3173 threadprivate and NEWDECL has no thread-local attributes.
3174 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3175 (c_gimple_diagnostics_recursively): Rename from
3176 c_warn_unused_result_recursively. Invoke
3177 diagnose_omp_structured_block_errors.
3178 (check_for_loop_decls): Return a singular decl found.
3179 * langhooks.c (lhd_omp_predetermined_sharing): Return
3180 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3181 (lhd_omp_firstprivatize_type_sizes): New.
3182 (lhd_omp_assignment): New.
3183 (lhd_omp_predetermined_sharing): New.
3184 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3185 (struct lang_hooks_for_types): Add
3186 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3187 omp_predetermined_sharing, omp_disregard_value_expr,
3188 omp_private_debug_clause, omp_clause_default_ctor,
3189 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3190 (c_finish_omp_clauses): New.
3191 (c_finish_bc_stmt): Diagnose break within omp for.
3192 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3193 (build_unary_op): Return error_mark after reporting
3195 (build_modify_expr): Likewise.
3196 * gimplify.c: Include optabs.h and pointer-set.h.
3197 (enum gimplify_omp_var_data): Declare.
3198 (struct gimplify_omp_ctx): Declare.
3199 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3201 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3202 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3203 (splay_tree_compare_decl_uid): New.
3204 (new_omp_context): New.
3205 (delete_omp_context): New.
3206 (gimple_add_tmp_var): Call omp_add_variable.
3207 (gimplify_bind_expr): Likewise.
3208 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3209 true, disregard DECL_VALUE_EXPR on the decl if any.
3210 (gimplify_expr_in_ctx): New.
3211 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3212 omp_add_variable, omp_notice_variable, omp_is_private
3213 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3214 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3215 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3216 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3217 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3218 gimplify_omp_atomic): New.
3219 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3220 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3221 OMP_CRITICAL and OMP_ATOMIC.
3222 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3223 * c-pragma.h (enum pragma_kind): Add
3224 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3225 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3226 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3227 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3228 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3229 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3230 PRAGMA_OMP_THREADPRIVATE.
3231 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3232 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3233 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3234 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3235 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3236 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3237 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3238 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3239 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3240 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3241 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3242 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3243 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3245 (struct nesting_info): Add field_map,
3246 suppress_expansion, debug_var_chain.
3247 (create_nesting_tree): Initialize them.
3248 (lookup_field_for_decl): Use field_map.
3249 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3250 (convert_local_omp_clauses): New.
3251 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3252 (walk_body): Split out of walk_function.
3253 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3254 (convert_nonlocal_reference): Handle omp statements.
3255 (convert_local_reference): Likewise.
3256 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3257 (unnest_nesting_tree): New.
3258 (lower_nested_functions): Call it.
3259 (insert_field_into_struct): Make extern.
3260 (struct walk_stmt_info): Move to tree-gimple.h.
3261 (walk_stmts): Make extern.
3262 * omp-builtins.def: New file.
3263 * tree-iterator.c (expr_only): Clarify comment.
3264 * c-common.h (pushdecl_top_level, pushdecl,
3265 build_modify_expr, build_indirect_ref,
3266 c_finish_omp_master, c_finish_omp_critical,
3267 c_finish_omp_ordered, c_finish_omp_barrier,
3268 c_finish_omp_atomic, c_finish_omp_flush,
3269 c_finish_omp_for, c_split_parallel_clauses,
3270 omp_clause_default_kind, c_omp_sharing_predetermined,
3271 c_omp_remap_decl): Declare.
3272 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3273 (OBJS-common): Add omp-low.o.
3274 (c-omp.o, omp-low.o): Add.
3275 (gimplify.o): Add dependency on $(OPTABS_H).
3276 (GTFILES): Add omp-low.c.
3277 (gt-stringpool.h): Add.
3278 * tree-cfg.c (set_bb_for_stmt): Do not update the
3279 block-to-labels map if we are currently expanding to RTL.
3280 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3282 Handle IDENTIFIER_NODE.
3283 (tree_verify_flow_info): Do not ICE when emitting error
3284 messages about invalid labels.
3285 (dump_function_to_file): Reset CFUN before emitting the body
3287 (debug_function): New.
3288 * passes.c (init_optimization_passes): Schedule
3290 * langhooks-def.h (lhd_omp_predetermined_sharing,
3291 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3293 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3294 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3295 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3296 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3297 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3298 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3299 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3300 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3301 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3302 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3303 (LANG_HOOK_DECLS): Use them.
3305 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3306 Richard Henderson <rth@redhat.com>
3307 Jakub Jelinek <jakub@redhat.com>
3308 Diego Novillo <dnovillo@redhat.com>
3310 * c-parser.c (pragma_omp_clause): Define.
3311 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3312 (c_parser_compound_statement): Likewise.
3313 (c_parser_statement): Likewise.
3314 (c_parser_pragma): Handle omp pragmas.
3315 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3316 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3317 (c_parser_omp_clause_name, check_no_duplicate_clause,
3318 c_parser_omp_variable_list,
3319 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3320 c_parser_omp_clause_copyprivate,
3321 c_parser_omp_clause_default,
3322 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3323 c_parser_omp_clause_lastprivate,
3324 c_parser_omp_clause_nowait,
3325 c_parser_omp_clause_num_threads,
3326 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3327 c_parser_omp_clause_reduction,
3328 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3329 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3330 c_parser_omp_atomic, c_parser_omp_barrier,
3331 c_parser_omp_critical, c_parser_omp_flush,
3332 c_parser_omp_for_loop, c_parser_omp_for,
3333 c_parser_omp_master, c_parser_omp_ordered,
3334 c_parser_omp_sections_scope, c_parser_omp_sections,
3335 c_parser_omp_parallel, c_parser_omp_single,
3336 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3337 * c-pragma.c (init_pragma): Do omp pragma registration here.
3338 * c.opt (fopenmp): New flag.
3340 2006-01-18 Eric Christopher <echristo@apple.com>
3342 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3343 * config/darwin.h (GOMP_SELF_SPECS): Define.
3345 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3347 * rtl.h: Remove the prototype for reg_alloc.
3349 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3352 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3353 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3354 sjlj and dwarf2 exception handling.
3355 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3356 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3357 * pa/pa.c (function_value): Treat complex and vector types as
3359 (function_arg): Likewise. Only pass scalar floats in the floating
3360 point argument registers.
3361 * pa/t-slibgcc-dwarf-ver: New file.
3362 * pa/t-slibgcc-sjlj-ver: New file.
3363 * pa/t-slibgcc-elf-ver: Delete file.
3365 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3367 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3368 unlikely_test_section_p test.
3370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3372 * mode-switching.c (optimize_mode_switching): Make it static.
3373 * basic-block.h: Remove the prototype for
3374 optimize_mode_switching.
3376 * modulo-sched.c (sms_schedule): Make it static.
3377 * rtl.h: Remove the prototype for sms_schedule.
3379 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3380 * rtl.h: Remove the prototype for gcse_after_reload_main.
3382 * reg-stack.c (reg_to_stack): Make it static.
3383 * rtl.h: Remove the prototype for reg_to_stack.
3385 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3387 * rtl.h: Remove the prototypes for regrename_optimize and
3388 copyprop_hardreg_forward.
3390 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3392 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3393 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3394 Test against the appropriate null constant for the mode.
3395 If 'fixup_overlap' is true, swap the operands if they overlap.
3396 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3397 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3398 alpha_split_tmode_pair and adjust for above change.
3399 * config/alpha/alpha.md (movtf_internal): Adjust call to
3400 alpha_split_tfmode_pair and rely on it to swap the operands.
3401 (movti_internal): New insn and post-reload splitter.
3402 (movti): New expander.
3404 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3406 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3409 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3411 * rtlanal.c (global_reg_mentioned_p_1,
3412 global_reg_mentioned_p): Remove.
3413 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3415 * flow.c (initialize_uninitialized_subregs): Make it static.
3416 * rtl.h: Remove the prototype for
3417 initialize_uninitialized_subregs.
3419 * function.c (instantiate_virtual_regs): Make it static.
3420 * function.h: Remove the prototype for
3421 instantiate_virtual_regs.
3423 * regmove.c (regmove_optimize, combine_stack_adjustments):
3425 * rtl.h: Remove the prototypes for regmove_optimize and
3426 combine_stack_adjustments.
3428 2006-01-17 Roger Sayle <roger@eyesopen.com>
3430 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3431 (size_cost): Encode costs in bytes so that a reg-reg addition is
3432 equivalent to COSTS_N_INSNS(1).
3433 (override_options): Use the size_cost.branch_cost as the default
3434 ix86_branch_cost when optimizing for size.
3436 2006-01-18 Ben Elliston <bje@au.ibm.com>
3438 * Makefile.in (D32PBIT_FUNCS): New.
3439 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3440 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3441 D64PBIT_FUNCS and D128PBIT_FUNCS.
3442 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3443 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3445 (decnumber_dep): Define.
3446 * doc/libgcc.texi (Decimal float library routines): New node.
3447 * config/dfp-bit.h, config/dfp-bit.c: New files.
3449 2006-01-18 Ben Elliston <bje@au.ibm.com>
3451 * expr.c (emit_move_change_mode): Always adjust addresses, not
3452 just during reload. Copy replacements only during reload.
3453 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3454 emit_move_via_integer.
3456 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3458 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3459 instead of $(srcdir) and ${srcdir}.
3461 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3465 * arm.h (struct machine_function): Add pic_reg.
3466 * arm.c (arm_pic_register): Make unsigned.
3467 (arm_override_options): Only set arm_pic_register if
3468 TARGET_SINGLE_PIC_BASE.
3469 (use_return_insn): Only test for a pic register if it is fixed.
3470 (arm_compute_save_reg0_reg12_mask): Likewise.
3471 (thumb_compute_save_reg_mask): Likewise.
3472 (legitimate_pic_operand): Factor out some known invariants.
3473 (legitimize_pic_address): If we don't have a fixed pic register,
3474 then set up a pseudo in the function entry sequence. Handle the
3475 pic base being in a pseudo.
3476 (arm_load_pic_register): Handle the pic register being in a pseudo.
3477 (arm_expand_prologue): Only set up the pic register if it is fixed.
3478 (thumb_expand_prologue): Likewise.
3479 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3480 (pic_load_addr_based_insn): Likewise.
3481 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3484 2006-01-18 Ben Elliston <bje@au.ibm.com>
3486 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3487 decimal float modes for all floating point registers.
3489 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3490 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3492 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3495 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3496 even when the pointer is not NULL.
3498 2006-01-16 Ian Lance Taylor <ian@airs.com>
3500 * common.opt (ftoplevel-reorder): New option.
3501 * cgraph.c (cgraph_asm_nodes): New global variable.
3502 (cgraph_asm_last_node): New static variable.
3503 (cgraph_order): New global variable.
3504 (cgraph_create_node): Set new order field.
3505 (cgraph_varpool_node): Likewise.
3506 (decide_is_variable_needed): Return true if not
3507 flag_toplevel_reorder.
3508 (cgraph_add_asm_node): New function.
3509 * cgraph.h (struct cgraph_node): Add order field.
3510 (struct cgraph_varpool_node): Add order field.
3511 (struct cgraph_asm_node): Define.
3512 (cgraph_asm_nodes, cgraph_order): Declare.
3513 (cgraph_add_asm_node): Declare.
3514 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3516 (cgraph_varpool_assemble_pending_decls): Call it.
3517 (cgraph_output_pending_asms): New static function.
3518 (cgraph_finalize_compilation_unit): Call it.
3519 (struct cgraph_order_sort): Define.
3520 (cgraph_output_in_order): New static function.
3521 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3522 !flag_toplevel_reorder case.
3523 * c-parser.c: Include "cgraph.h".
3524 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3526 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3527 than -fno-unit-at-a-time.
3528 * doc/invoke.texi (Option Summary): Mention
3529 -fno-toplevel-reorder.
3530 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3531 -funit-at-a-time documentation.
3533 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3534 Kazu Hirata <kazu@codesourcery.com>
3536 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3538 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3540 * Makefile.in (FUNCTION_H): New. Use it instead of
3541 function.h throughout the file.
3542 * function.h: Include tree.h.
3544 2006-01-17 Ben Elliston <bje@au.ibm.com>
3546 * recog.c: Separate some functions with whitespace.
3548 2006-01-16 Richard Henderson <rth@redhat.com>
3550 Merge from gomp branch:
3551 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3552 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3553 and rename from struct inline_data. Rename callee* to dst*;
3554 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3555 transform_new_cfg, transform_return_to_modify, and
3556 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3558 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3559 (copy_decl_for_dup): Remove.
3560 * tree-inline.c (struct inline_data): Move to header.
3561 (insert_decl_map): Export.
3562 (remap_decl): Update for member name changes. Use copy_decl hook.
3563 Allow for replacement to be a non-decl. Remove dead code.
3564 (remap_type_1): Check for existing mapping.
3565 (remap_type): Export.
3566 (remap_decls): Update for member name changes.
3567 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3568 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3569 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3570 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3571 (tree_function_versioning, build_duplicate_type): Likewise.
3572 (copy_body_r): Likewise. Export.
3573 (copy_decl_for_dup): Split into ...
3574 (copy_decl_for_dup_finish, copy_decl_to_var,
3575 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3576 (replace_ref_tree, inlining_p): Remove.
3578 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3580 * ifcvt.c (if_convert): Make it static.
3581 * rtl.h: Remove the prototype for if_convert.
3583 * local-alloc.c (local_alloc): Make it static.
3584 * rtl.h: Remove the prototype for local_alloc.
3586 * loop.c (loop_optimize): Make it static.
3587 * cfgloop.h: Remove the prototype for loop_optimize.
3590 2006-01-16 DJ Delorie <dj@redhat.com>
3592 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3595 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3597 * pa.md: Disparage copies between general and floating-point registers
3598 in 32-bit move patterns.
3600 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3603 * Makefile.in (check-%): Depend on site.exp instead of
3604 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3607 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3609 * global.c (global_alloc): Make it static.
3610 * rtl.h: Remove the prototype for global_alloc.
3612 2006-01-16 Richard Guenther <rguenther@suse.de>
3614 * tree-ssa-alias.c (struct used_part): Add write_only field.
3615 (get_or_create_used_part_for): Initialize it to true.
3616 (create_overlap_variables_for): Don't create structure variables
3617 for structures that only are written to.
3618 (find_used_portions): Handle MODIFY_EXPR to track whether a
3619 structure is only written to.
3621 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3623 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3625 * basic-block.h: Remove the prototype for
3626 partition_hot_cold_basic_blocks.
3628 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3630 * cppspec.c (lang_specific_spec_functions): Remove.
3631 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3632 * gcc.h (lang_specific_spec_functions): Remove.
3633 * gccspec.c (lang_specific_spec_functions): Remove.
3635 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3637 * combine.c (record_value_for_reg): Invalidate registers
3639 (record_dead_and_set_regs_1): Likewise, by passing them to
3640 record_value_for_reg.
3641 (record_dead_and_set_regs): Invalidate stores made by a
3642 call. We do not combine across a call, but we still
3643 relied on equivalences.
3645 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3647 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3648 vrp_int_const_binop returning non-constant nodes.
3650 2006-01-16 Paul Brook <paul@codesourcery.com>
3652 * config/m68k/m68k.c (output_move_const_into_data_reg):
3653 Output correct mnemonic for mvz and mvs.
3655 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3657 * rtl-factoring.c: Add sequence abstraction algorithm.
3658 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3659 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3661 (block_has_preserve_label): New function.
3662 * common.opt: Register new pass.
3663 * Makefile.in: Ditto.
3665 * timevar.def: Ditto.
3666 * tree-pass.h: Ditto.
3667 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3668 * rtl.h (make_jump_insn_raw): Add forward decl.
3669 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3671 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3672 Roger Sayle <roger@eyesopen.com>
3674 * fold-const.c (fold_minmax): New static function.
3675 (fold_binary) <MIN_EXPR>: Call it.
3676 <MAX_EXPR>: Likewise.
3677 * stor-layout.c (place_field): Use DECL_SIZE consistently
3678 in the computation of the new record size.
3680 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3682 * cse.c (cse_condition_code_reg): Make it static.
3683 * rtl.h: Remove the prototype for cse_condition_code_reg.
3685 * combine.c (combine_instructions): Make it static.
3686 * rtl.h: Remove the prototype for combine_instructions.
3688 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3691 * tree.c (get_file_function_name_long): Concatenate the first global
3692 object name with a string derived from the input filename of the object
3695 2006-01-16 Ben Elliston <bje@au.ibm.com>
3697 * config/i386/winnt-stubs.c: Update FSF address.
3698 * config/xtensa/ieee754-df.S: Ditto.
3699 * config/xtensa/ieee754-sf.S: Ditto.
3701 2006-01-14 Ian Lance Taylor <ian@airs.com>
3703 * ifcvt.c (noce_init_if_info): New static function, broken out of
3704 noce_process_if_block.
3705 (noce_process_if_block): Call noce_init_if_info.
3706 (check_cond_move_block): New static function.
3707 (cond_move_process_if_block): New static function.
3708 (process_if_block): Call cond_move_process_if_block.
3710 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3712 * cselib.c (hash_table): Rename to cselib_hash_table.
3713 (cselib_clear_table, discard_useless_values,
3714 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3715 cselib_init, cselib_finish): Adjust uses of hash_table.
3717 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3719 PR tree-optimization/25485
3720 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3721 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3722 is known to be false and true, respectively.
3724 2006-01-14 Richard Guenther <rguenther@suse.de>
3726 PR tree-optimization/22548
3727 PR tree-optimization/22555
3728 PR tree-optimization/22501
3729 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3730 * params.def (salias-max-array-elements): New parameter.
3731 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3732 * doc/invoke.texi (salias-max-array-elements): Document.
3733 * tree-flow-inline.h (var_can_have_subvars): We also handle
3735 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3737 * tree-ssa-structalias.c (params.h): Include.
3738 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3739 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3740 (get_constraint_for): For ADDR_EXPR operating on something
3741 containing an ARRAY_REF, add all subvars to the solution.
3742 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3743 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3744 for creating MUST_DEFs.
3745 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3747 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3749 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3751 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3752 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3753 number_of_iterations_le): New functions.
3754 (number_of_iterations_special): Removed.
3755 (number_of_iterations_exit): Do not use number_of_iterations_special.
3756 * tree.c (unsigned_type_for): Always return integer type.
3758 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3759 Richard Guenther <rguenther@suse.de>
3761 PR rtl-optimization/24257
3762 * gcse.c (find_moveable_store): Only consider a store movable
3763 when the SET_SRC of the insn can be assigned to a register.
3765 2006-01-14 Ian Lance Taylor <ian@airs.com>
3767 * tree.c (tree_not_class_check_failed): New function.
3768 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3769 (tree_not_class_check_failed): Declare.
3771 2006-01-13 Ian Lance Taylor <ian@airs.com>
3773 * reload1.c (do_output_reload): Add assertion rejecting a
3776 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3778 * combine.c (struct reg_stat): Add new fields truncation_label and
3780 (record_value_for_reg): Reset truncated_to_mode.
3781 (record_truncated_value): New function.
3782 (check_promoted_subreg): Call it. Rename to check_conversions.
3783 (combine_instructions): Rename check_promoted_subreg to
3785 (reg_truncated_to_mode): New function.
3786 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3787 (gen_lowpart_or_truncate): New function.
3788 (force_to_mode): Use it instead of gen_lowpart.
3790 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3792 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3793 VAR is a tag, not its type tag.
3795 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3797 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3798 alternatives to match style of other entries.
3799 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3801 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3803 PR tree-optimization/25771
3804 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3807 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3810 * tree-inline.c (declare_return_variable): If the return variable
3811 was marked as a non gimple complex, set the return slot variable
3812 to be a non gimple comple variable.
3814 2006-01-13 Richard Guenther <rguenther@suse.de>
3816 * builtins.c (expand_builtin_sincos): New function.
3817 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3819 (expand_builtin): Expand sincos using expand_builtin_sincos.
3821 2006-01-12 DJ Delorie <dj@redhat.com>
3823 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3824 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3825 so that constant shifts can be split.
3826 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3827 (m32c_valid_pointer_mode): Make static.
3828 (shift_gen_func_for): New.
3829 (m32c_prepare_shift): Use it. Split large const shifts into
3831 * config/m32c/predicates.md (shiftcount_operand): Allow more
3833 (longshiftcount_operand): New.
3834 * doc/md.texi (Machine Constraints): Document In6.
3836 2006-01-13 Ben Elliston <bje@au.ibm.com>
3838 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3839 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3842 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3844 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3845 to try to avoid clobbering pieces of structures when we know
3846 something about the whole structure.
3847 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3849 2006-01-13 Ben Elliston <bje@au.ibm.com>
3851 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3852 return in memory, as this is no limitation is no longer present.
3854 2006-01-12 DJ Delorie <dj@redhat.com>
3856 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3857 mova with fb, and for fb+0 -> An.
3859 * config/m32c/mov.md (peephole2): Fix enabling logic.
3861 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3862 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3863 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3864 FINI_ARRAY_SECTION_ASM_OP): Define.
3866 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3868 (m32c_legitimize_reload_address): New logic to reload FB to An.
3869 (m32c_output_reg_push): Add newline.
3870 (m32c_output_reg_pop): Likewise.
3872 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3874 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3876 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3878 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3880 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3882 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3885 2006-01-11 Ben Elliston <bje@au.ibm.com>
3887 * rtlanal.c (find_reg_note): Assert insn is not null.
3889 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3891 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3894 2006-01-11 Jeff Law <law@redhat.com>
3896 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3898 (mark_threaded_blocks, register_jump_thread): New functions.
3899 (thread_through_all_blocks): Remove unwanted argument. No
3900 longer rely on e->aux to communicate thread target info.
3901 Call mark_threaded_blocks. Release the threaded_blocks
3902 bitmap and threaded_edges vector when complete.
3903 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3904 (threaded_blocks): Remove.
3905 (tree_ssa_dominator_optimize): Remove initialization and
3906 finalization of threaded_blocks. Simplify call to
3907 thread_through_all_blocks.
3908 (thread_across_edge): Call register_jump_thread rather than
3909 storing thread information into e->aux.
3910 (free_all_edge_infos): Simplify now that e->aux is no longer
3911 used to communicate with thread_through_all_blocks.
3912 * tree-flow.h (thread_through_all_blocks): Update prototype.
3913 (register_jump_thread): Prototype.
3915 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3917 * df-core.c (df_compact_blocks, df_bb_replace): Use
3918 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3920 2006-01-11 Richard Guenther <rguenther@suse.de>
3922 PR tree-optimization/25734
3923 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3924 stop propagation after successful propagation to the LHS.
3926 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3928 * basic-block.h (control_flow_graph): Change the type of
3929 x_basic_block_info to VEC(basic_block,gc) *.
3930 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3932 (SET_BASIC_BLOCK): New.
3933 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3934 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3935 * cfgbuild.c (find_basic_blocks): Likewise.
3936 * cfglayout.c (fixup_reorder_chain): Likewise.
3937 * cfgrtl.c (create_basic_block_structure,
3938 rtl_create_basic_block): Likewise.
3939 * ifcvt.c (find_if_case_1): Likewise.
3940 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3943 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3945 * Makefile.in: Removed rotted odf.c entry.
3947 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3950 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3951 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3952 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3953 output pattern modifier, not %e.
3954 * config/cris/cris.c (cris_op_str): Update comment about pattern
3956 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3957 before falling through into...
3958 <case 'E'>: Redefined from old 'e' case.
3960 2006-01-11 Jan Hubicka <jh@suse.cz>
3963 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3965 2006-01-11 Jan Hubicka <jh@suse.cz>
3967 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3968 * i386.c (x86_decompose_lea): Kill.
3969 (ix86_rtx_costs): Kill.
3971 2006-01-11 Jan Hubicka <jh@suse.cz>
3973 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3974 * cgraph.h (cgraph_node): Add inline_decl.
3975 (cgraph_insert_node_to_hashtable): Declare.
3976 (save_inline_function_body): Declare.
3977 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3979 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3980 (cgraph_function_versioning): Update call of tree_function_versioning.
3981 (save_inline_function_body): New function.
3982 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3983 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3984 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3985 (cgraph_default_inline_p): Likewise.
3986 (cgraph_decide_inlining_incrementally): Likewise.
3987 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3988 (copy_bb): Kill saving; do updating of clones.
3989 (copy_cfg_body): Kill saving.
3990 (initialize_inlined-parameters): Likewise.
3991 (expand_call_inline): Likewise.
3993 (tree_function_versioning): New parameter "update_clones".
3994 (inlining_p): Kill saving.
3995 * tree-inline.h (tree_function_versioning): Update prototype.
3996 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3999 2006-01-11 Ian Lance Taylor <ian@airs.com>
4001 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4002 Allow undoing set of machine mode.
4003 (do_SUBST): Use enums instead of is_int.
4004 (do_SUBST_MODE): New function.
4005 (SUBST_MODE): New macro.
4006 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4007 reg and trying to replace reg_regno_rtx with a new register.
4008 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4009 (simplify_set): Use SUBST_MODE.
4010 (distribute_notes): Remove code that tried to update reg notes
4011 for regno_reg_rtx changes.
4013 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4015 PR tree-optimization/23109
4016 PR tree-optimization/23948
4017 PR tree-optimization/24123
4019 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4020 * tree-cfg.c (single_noncomplex_succ): New.
4021 * tree-flow.h (single_noncomplex_succ): Declare it.
4022 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4023 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4024 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4025 insert_bb, register_division_in, insert_reciprocals,
4026 replace_reciprocal, free_bb): New.
4027 (execute_cse_reciprocals_1): Rewritten.
4028 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4029 Do not commit any edge insertion. Always compute dominators and
4030 create the allocation pool.
4031 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4032 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4033 * targhooks.c (default_min_divistions_for_recip_mul): New.
4034 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4035 * passes.c (init_optimization_passes): Run recip after tree loop
4037 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4039 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4040 Kenneth Zadeck <zadeck@naturalbridge.com>
4042 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4043 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4044 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4045 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4046 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4047 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4048 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4049 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4050 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4051 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4052 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4053 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4054 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4055 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4056 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4057 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4058 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4059 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4060 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4061 DF_SCAN_POST_ALLOC): New macros.
4062 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4063 df_free_bb_function, df_local_compute_function, df_init_function,
4064 df_dataflow_function, df_confluence_function_0,
4065 df_confluence_function_n, df_transfer_function,
4066 df_finalizer_function, df_free_function, df_dump_problem_function,
4067 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4068 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4069 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4070 df_urec_bb_info, ) New types.
4071 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4073 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4074 df_analyze_simple_change_some_blocks,
4075 df_analyze_simple_change_one_block, df_compact_blocks,
4076 df_bb_replace, df_bb_regno_last_use_find,
4077 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4078 df_insn_regno_def_p, df_find_def, df_find_use,
4079 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4080 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4081 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4082 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4083 debug_df_chain, df_get_dependent_problem, df_chain_create,
4084 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4085 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4086 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4087 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4088 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4089 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4090 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4091 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4092 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4093 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4094 df_reorganize_refs, df_set_state, df_hard_reg_init,
4095 df_read_modify_subreg_p) New public functions.
4096 * df-core.c: The core dataflow solver and glue routines for rtl
4098 (df_init, df_add_problem, df_set_blocks, df_finish,
4099 df_hybrid_search_forward, df_hybrid_search_backward,
4100 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4101 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4102 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4103 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4104 df_reg_defined, df_find_use, df_reg_used, df_dump,
4105 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4106 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4107 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4108 debug_df_useno, reset_df_after_reload): New functions.
4109 * df-scan.c: The scanning fuctions, once in df.c, completely
4110 rewritten so that they now fully model the functionality of
4111 register usage at the backend.
4112 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4113 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4114 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4115 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4116 df_get_artificial_defs, df_get_artificial_uses,
4117 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4118 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4119 df_refs_delete, df_reorganize_refs, df_set_state,
4120 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4121 df_def_record_1, df_defs_record, df_uses_record,
4122 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4123 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4124 df_record_exit_block_uses, df_hard_reg_init): New functions.
4126 * df-problems.c: Seven concrete dataflow problems that use the
4127 scanning in df-scan.c and are solved by the engine in df-core.c.
4128 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4129 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4130 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4131 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4132 df_ru_free_bb_info, df_ru_alloc,
4133 df_ru_bb_local_compute_process_def,
4134 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4135 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4136 df_ru_transfer_function, df_ru_free, df_ru_dump,
4137 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4138 df_rd_free_bb_info, df_rd_alloc,
4139 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4140 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4141 df_rd_transfer_function, df_rd_free, df_rd_dump,
4142 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4143 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4144 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4145 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4146 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4147 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4148 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4149 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4150 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4151 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4152 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4153 df_urec_mark_reg_use_for_earlyclobber,
4154 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4155 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4156 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4157 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4158 df_chain_create_bb_process_use, df_chain_create_bb,
4159 df_chain_finalize, df_chain_free, df_chains_dump,
4160 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4161 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4162 df_reg_lifetime): New functions.
4163 * df.c: Deleted file.
4164 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4165 consistent with new df api.
4166 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4167 rest_of_handle_sms): Ditto.
4168 * web.c (unionfind_union, union_defs, entry_register, web_main):
4170 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4171 invariant_expr_equal_p, find_defs, check_dependencies,
4172 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4173 free_inv_motion_data, move_loop_invariants): Ditto.
4174 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4175 Update dependencies.
4176 (odf.c): Added defective entry that was deleted later in day.
4177 * sched-deps.c (sched_analyze_1): Ditto.
4179 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4181 * tree-ssa-operands.c (get_expr_operands): Record addressable
4182 variables directly. Do not call add_stmt_operands for CONST_DECLs
4184 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4185 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4187 2006-01-11 Ben Elliston <bje@au.ibm.com>
4189 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4190 function returns true in the positive case.
4192 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4195 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4196 for SI, DI, SF and DF modes. Add alternatives to copy between
4197 general and floating point registers to the 32-bit patterns.
4198 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4199 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4200 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4201 generating 64-bit code.
4202 * config/pa/pa.c (output_move_double): Handle copies between general
4203 and floating registers.
4205 2006-01-10 Stuart Hastings <stuart@apple.com>
4207 * config/i386/i386.md (set_got): Update.
4208 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4209 (builtin_setjmp_receiver): Mach-O support.
4210 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4211 (GOT_SYMBOL_NAME): Define.
4212 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4213 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4214 * config/i386/i386.c (override_options): Revise for Darwin.
4215 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4216 support. (darwin_x86_file_end): New. (output_set_got): Add label
4217 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4218 * config/i386/i386-protos.h (output_set_got): Likewise.
4219 * config/darwin.c (machopic_legitimize_pic_address): Update
4222 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4224 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4225 when MODE isn't BLKmode.
4227 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4229 PR rtl-optimization/25367
4230 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4232 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4235 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4236 for a negative bound.
4238 2006-01-10 Richard Guenther <rguenther@suse.de>
4240 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4241 Never override with anything constraint.
4243 2006-01-10 Jan Beulich <jbeulich@novell.com>
4245 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4246 256 bits when optimize_size.
4248 2006-01-10 Jan Beulich <jbeulich@novell.com>
4250 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4252 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4253 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4256 2006-01-10 Ben Elliston <bje@au.ibm.com>
4258 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4260 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4261 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4262 (USE_FP_FOR_ARG): Reject decimal float modes.
4263 (function_arg_advance): Likewise.
4264 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4265 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4266 point types in AltiVec vectors.
4267 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4268 (rs6000_libcall_value): Likewise.
4270 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4272 * config/xtensa/ieee754-df.S: New file.
4273 * config/xtensa/ieee754-sf.S: New file.
4274 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4275 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4276 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4278 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4280 * config/sh/predicates.md (binary_float_operator,
4281 binary_logical_operator, commutative_float_operator,
4282 equality_comparison_operator, greater_comparison_operator,
4283 less_comparison_operator, logical_operator,
4284 noncommutative_float_operator, shift_operator,
4285 symbol_ref_operand, unary_float_operator): Remove redundant
4288 2006-01-09 Jeff Law <law@redhat.com>
4290 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4291 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4292 now unused arguments. Callers updated.
4293 (eliminate_redundant_computations): Remove now unused arguments,
4295 (local_fold): Remove, no longer used.
4296 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4298 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4299 (simplify_cond): New function.
4300 (forward_propagate_into_cond): Call simplify_cond.
4302 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4304 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4305 (*vec_extractv2di_1_sse): New.
4307 2006-01-09 Ben Elliston <bje@au.ibm.com>
4309 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4311 2006-01-08 Richard Guenther <rguenther@suse.de>
4313 * tree-ssa-structalias.c (get_constraint_for): Remove
4315 (get_constraint_for_component_ref): Likewise.
4316 (do_deref): Likewise.
4317 (get_constraint_for): Likewise.
4318 (do_structure_copy): Likewise.
4319 (handle_ptr_arith): Likewise.
4320 (find_func_aliases): Likewise. Remove unused need_anyoffset
4323 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4324 Kaz Kojima <kkojima@gcc.gnu.org>
4326 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4327 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4328 (EXTRA_CONSTRAINT_C16): Remove.
4329 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4330 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4331 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4332 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4333 constants of SHmedia. Handle nested constant expressions of
4335 (andcosts): Fix the costs for SHmedia constants.
4336 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4337 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4338 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4339 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4340 (movv4hi_i, movv2si_i): Likewise.
4341 (movsi_const): Adjust the second operand of ior so to match with
4343 (movdi_const, movdi_const_32bit): Likewise.
4344 (movdi_const_16bit+1): Don't sign-extend LOW.
4345 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4347 (*double_shori): Fix the split condition. Use GEN_INT instead
4348 of get_int_mode calls. Mask lower 16-bit of the argument of
4350 (sym2GOTPLT): Remove.
4351 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4353 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4354 instead of EXTRA_CONSTRAINT_C16.
4356 2006-01-07 Ian Lance Taylor <ian@airs.com>
4357 David Edelsohn <edelsohn@gnu.org>
4359 PR rtl-optimization/25662
4360 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4361 for constant operands instead of simplify_gen_binary.
4362 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4363 after trying simplify_binary_operation
4365 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4367 * tree.c (iterative_hash_expr): Hash decls based on UID.
4369 2006-01-06 Eric Christopher <echristo@apple.com>
4371 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4372 (TARGET_UNWIND_EMIT): Fix spelling.
4373 * target.h (gcc_target): Add except_table_label.
4374 * except.c (output_function_exception_table): Use.
4375 * varasm.c (default_emit_except_table_label): New.
4376 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4378 (asm_out): Add here.
4379 * output.h (default_emit_except_table_label): Prototype.
4380 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4381 * config/darwin.c (darwin_emit_except_table_label): Define.
4382 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4384 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4386 PR tree-optimization/18527
4387 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4388 number_of_iterations_special, number_of_iterations_exit):
4389 Move base and step of an iv to a single structure. Add
4390 no_overflow flag, and use it in # of iterations analysis.
4391 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4392 folded_casts argument.
4393 (simple_iv): Pass base and step in a structure. Set no_overflow
4395 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4396 Evaluate expensiveness of computing # of iterations instead of
4397 the final expression.
4398 * tree-scalar-evolution.h (affine_iv): New structure.
4399 (simple_iv): Declaration changed.
4400 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4401 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4402 find_givs_in_stmt): Changed due to simple_iv change.
4404 2006-01-06 Jeff Law <law@redhat.com>
4407 * tree-cfg.c (bsi_replace): Rename final argument from
4408 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4409 change (stmt -> orig_stmt).
4410 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4411 (bsi_remove): Add new argument. Remove EH information
4413 (verify_eh_throw_table_statements): New function.
4414 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4416 * tree-optimize.c (execute_free_cfg_annotations): Verify
4417 the EH throw statement table after removing annotations.
4418 * except.h (verify_eh_throw_table_statements): Prototype.
4419 * tree-flow.h (bsi_remove): Update prototype.
4420 * tree-vrp.c (remove_range_assertions): Add new argument to
4422 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4423 * tree-complex.c (expand_complex_div_wide): Likewise.
4424 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4425 * tree-tailcall.c (eliminate_tailcall): Likewise.
4426 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4427 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4428 * tree-nrv.c (tree_nrv): Likewise.
4429 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4430 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4431 (combine_blocks): Likewise.
4432 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4433 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4434 (cleanup_control_flow): Likewise.
4435 (remove_forwarder_block): Likewise.
4436 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4437 * tree-sra.c (sra_replace): Likewise.
4438 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4439 (forward_propagate_single_use_vars): Likewise.
4440 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4441 * tree-inline.c (expand_call_inline): Likewise.
4442 * tree-vect-transform.c (vect_transform_loop): Likewise.
4443 * tree-outof-ssa.c (rewrite_trees): Likewise.
4444 * tree-cfg.c (make_goto_expr_edges): Likewise.
4445 (cleanup_dead_labels): Likewise.
4446 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4447 (bsi_move_before, bsi_move_after): Likewise.
4448 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4449 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4451 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4454 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4456 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4457 on non gimple variables. Also add checks at the top for decls and
4459 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4461 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4462 and IMAGPART_EXPR for creating MUST_DEFs.
4463 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4464 and NAME_MEMORY_TAG separately from the DECLs.
4466 2006-01-06 Richard Guenther <rguenther@suse.de>
4468 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4469 annotation, if necessary.
4470 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4471 redundant calls to update_stmt.
4472 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4475 2006-01-05 Richard Henderson <rth@redhat.com>
4477 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4479 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4481 * c-typeck.c: Update copyright date.
4483 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4485 * c-typeck.c (build_c_cast): Always warn when casting
4486 from a pointer to an integer of different size, even if
4487 the node was constant.
4489 2006-01-05 Richard Guenther <rguenther@suse.de>
4491 PR tree-optimization/22555
4492 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4493 if one structure field is an array.
4494 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4495 operands even if we found a subvar, but ignore VOPs in this
4497 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4499 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4501 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4504 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4506 2006-01-05 Richard Guenther <rguenther@suse.de>
4507 Diego Novillo <dnovillo@redhat.com>
4509 * tree-pass.h (TODO_remove_unused_locals): Define.
4510 * gimple-low.c (expand_var_p, remove_useless_vars,
4511 pass_remove_useless_vars): Remove. Update all users.
4512 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4513 (remove_unused_locals): New function.
4514 * tree-flow.h (remove_unused_locals): Declare.
4515 * passes.c (execute_todo): Call remove_unused_locals if
4516 TODO_remove_unused_locals is set.
4517 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4518 * tree-ssa-dce.c (pass_dce): Likewise.
4519 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4521 2006-01-05 Richard Guenther <rguenther@suse.de>
4523 * tree-flow.h (struct fieldoff): Decompose field to
4524 type, size and decl.
4525 * tree-ssa-alias.c (create_sft): Take type as parameter.
4526 (create_overlap_variables_for): Store type, size and decl
4527 in the fieldoff structure.
4528 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4530 (push_fields_onto_fieldstack): Likewise.
4531 (create_variable_info_for): Likewise. Use offset for the
4532 SFT name if the decl is not available.
4534 2006-01-04 Paul Brook <paul@codesourcery.com>
4536 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4538 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4540 * lambda-code.c (can_put_in_inner_loop): Relax
4542 (can_put_after_inner_loop): New function.
4543 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4544 (perfect_nestify): Change to make copies and modify uses.
4546 2006-01-04 Richard Henderson <rth@redhat.com>
4548 Merge from gomp branch:
4549 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4550 via integer constant.
4551 (pragma_lex): Remove.
4552 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4553 rather than parsing it.
4554 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4555 handle_pragma_extern_prefix): Add %< %> quotes.
4556 (registered_pragmas): New.
4557 (c_register_pragma_1): New.
4558 (c_register_pragma): Use it.
4559 (c_register_pragma_with_expansion): Likewise.
4560 (c_invoke_pragma_handler): New.
4561 (init_pragma): Use cpp_register_deferred_pragma directly for
4563 * c-pragma.h (enum pragma_kind): New.
4564 (pragma_handler): New.
4565 (c_invoke_pragma_handler): Declare.
4566 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4568 * c-common.h (c_common_pch_pragma): Update decl.
4569 * Makefile.in (c-parser.o): Update dependencies.
4570 (GTFILES): Add c-pragma.h.
4571 * c-parser.c (struct c_token): Add pragma_kind.
4572 (struct c_parser): Add in_pragma.
4573 (c_lex_one_token): Always initialize keyword and pragma_kind.
4574 Extract data for CPP_PRAGMA.
4575 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4576 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4577 Don't allow CPP_PRAGMA_EOL if in_pragma.
4578 (c_parser_consume_pragma): New.
4579 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4580 (c_parser_skip_to_end_of_parameter): Likewise.
4581 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4582 (c_parser_skip_to_pragma_eol): New.
4583 (c_parser_external_declaration): Handle CPP_PRAGMA.
4584 (c_parser_compound_statement_nostart): Likewise.
4585 (c_parser_statement_after_labels): Likewise.
4586 (c_parser_pragma): New.
4587 (pragma_lex): Likewise.
4588 (c_parser_pragma_pch_preprocess): New.
4589 (c_parser_new): Merge into ...
4590 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4592 2006-01-04 Jeff Law <law@redhat.com>
4595 * tree-cfg.c (bsi_replace): Remove the original statement
4596 from the EH throw statement table.
4598 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4600 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4601 make the prototype extern "C" and add throw ().
4604 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4605 and pos non-negative and pos + len <= 32.
4606 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4607 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4608 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4611 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4612 as well as sizes not multiple of component size.
4615 * function.c (instantiate_expr): New function.
4616 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4617 walk its DECL_VALUE_EXPR with instantiate_expr.
4619 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4620 DW_OP_deref{,_size} if address isn't going to be added.
4622 2006-01-04 Ben Elliston <bje@au.ibm.com>
4624 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4625 * config/fp-bit.c: Likewise.
4627 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4629 * dominance.c: Add comment about why we use DFS numbering
4632 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4633 Richard Henderson <rth@redhat.com>
4635 Merge from gomp-branch:
4636 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4637 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4639 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4641 PR rtl-optimization/25578
4642 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4643 pass a parameter to simplify_shift_const if changing ASHIFTRT
4646 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4648 * builtins.c (get_builtin_sync_mem): New function.
4649 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4650 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4651 Call get_builtin_sync_mem to generate mem rtx.
4653 2006-01-03 Richard Guenther <rguenther@suse.de>
4656 * stmt.c (add_case_node): Make sure to clear overflow flags
4659 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4661 Merge from gomp-branch.
4662 * config/sparc/sync.md: New file.
4663 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4664 UNSPECV_LDSTUB): New constants.
4665 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4666 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4667 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4670 2006-01-03 Roger Sayle <roger@eyesopen.com>
4672 * combine.c (reg_subword_p): New predicate to test whether the
4673 destination of a set refers to a subword/piece of a register.
4674 (try_combine): Generalize the code to merge the setting of a
4675 pseudo to a constant followed by a set of a subword of that
4676 register to a constant.
4678 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4680 * basic-block.h (control_flow_graph): Change the type of
4681 x_label_to_block_map to VEC(basic_block,gc) *.
4682 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4683 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4685 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4686 VEC(basic_block,heap) *.
4687 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4688 ssa_prop_fini): Adjust the uses of cfg_blocks.
4690 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4692 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4694 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4695 hashing trees instead of a pointer hash.
4696 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4697 compare for MEM_EXPR.
4699 PR rtl-optimization/25130
4700 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4701 when comparing MEMs for GCSE
4703 2006-01-03 Ben Elliston <bje@au.ibm.com>
4705 * targhooks.h (default_decimal_float_supported_p): Declare.
4706 * targhooks.c (default_decimal_float_supported_p): Define.
4707 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4708 `default_decimal_float_supported_p'.
4709 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4711 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4713 * combine.c (apply_distributive_law <SUBREG>): Check
4714 TRULY_NOOP_TRUNCATION.
4716 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4718 * dwarf2out.c (have_switched_text_section): Delete.
4719 (have_multiple_function_sections): New.
4720 (have_location_lists): Make 'bool'.
4721 (add_AT_loc_list): Use 'true' not '1'.
4722 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4723 (output_loc_list): Use have_multiple_function_sections.
4724 (output_ranges): Likewise.
4725 (dwarf2out_begin_function): Set have_multiple_function_sections if
4727 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4728 Check function_section rather than DECL_SECTION_NAME.
4729 (dwarf2out_finish): Use have_multiple_function_sections.
4730 Don't clear have_location_lists.
4732 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4733 Jan Hubicka <jh@suse.cz>
4735 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4736 case of conditional jump jumping to the next instruction.
4737 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4738 cases of conditional jump jumping to the next instruction.
4740 2006-01-02 Jan Hubicka <jh@suse.cz>
4742 * i386.c (*_cost): Add COSTS_N_INSNS.
4743 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4745 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4748 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4750 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4752 * config/arm/arm.c (all_fpus): Fix comment typo.
4753 * config/darwin.c: Likewise.
4754 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4755 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4756 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4758 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4760 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4761 (rs6000_split_compare_and_swapqhi): New.
4762 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4763 (sync_compare_and_swapqhi_internal): New.
4764 * config/rs6000/rs6000-protos.h: Declare.