1 2006-02-14 Roger Sayle <roger@eyesopen.com>
4 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5 (X,Y) and the corresponding symmetry related transformations.
6 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7 (X,Y) and its symmetry related transformations.
9 2006-02-14 Roger Sayle <roger@eyesopen.com>
11 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
16 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
21 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
23 * configure: Regenerate.
25 2006-02-14 Roger Sayle <roger@eyesopen.com>
30 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
32 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
34 Fix PR tree-optimization/26260
36 * doc/invoke.texi (max-fields-for-field-sensitive): Document
38 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
39 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
40 * tree-ssa-structalias.c (create_variable_info_for): Use
41 MAX_FIELDS_FOR_FIELD_SENSITIVE.
43 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
45 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
47 * tree-ssa-loop-niter.c (number_of_iterations_ne,
48 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
49 of the ending condition.
50 * tree-ssa-loop-manip.c: Include params.h.
51 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
52 tree_unroll_loop): New functions.
53 * tree-pass.h (pass_loop_prefetch): Declare.
54 * loop.c (rest_of_handle_loop_optimize): Test for
55 -fprefetch-loop-arrays-rtl.
56 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
57 * timevar.def (TV_TREE_PREFETCH): New timevar.
58 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
59 pass_loop_prefetch): New.
60 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
61 (cleanup_tree_cfg_loop): Call scev_reset.
62 * common.opt (fprefetch-loop-arrays-rtl): Add.
63 * tree-ssa-loop-prefetch.c: New file.
64 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
65 (new_temp_expr_table): Initialize expr_vars.
66 (free_temp_expr_table): Cleanup expr_vars.
67 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
68 expressions from being merged into one.
69 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
70 (struct tree_niter_desc): Add control, bound and cmp fields.
71 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
73 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
74 (tree-cfgcleanup.o): Add SCEV_H dependency.
75 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
76 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
78 2006-02-14 Richard Guenther <rguenther@suse.de>
80 PR tree-optimization/26258
81 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
82 in PHI argument processing.
84 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
86 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
87 new expression in the requested machine mode.
89 2006-02-13 Roger Sayle <roger@eyesopen.com>
91 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
92 directly, instead let do_compare_rtx_and_jump handle this for us.
93 * expr.c (expand_expr_real_1): Likewise.
94 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
95 before do_jump_by_parts_greater.
96 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
97 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
99 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
101 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
103 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
105 PR rtl-optimization/26235
106 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
107 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
110 2006-02-13 Jeff Law <law@redhat.com>
112 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
115 2006-02-13 Jakub Jelinek <jakub@redhat.com>
118 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
119 twice if decl is a builtin. When trying again, call get_callee_fndecl
120 first to verify it is still a builtin.
122 2006-02-13 Geoffrey Keating <geoffk@apple.com>
124 * dwarf2out.c (base_type_die): Don't add AT_name here.
125 (subrange_type_die): Don't add AT_name here.
126 (modified_type_die): Rearrange code flow. Do add AT_name here.
128 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
130 PR rtl-optimization/26247
131 PR rtl-optimization/26248
132 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
134 2006-02-13 Richard Sandiford <richard@codesourcery.com>
136 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
137 * config/fixtfdi.c: Likewise.
138 * config/fixunstfdi.c: Likewise.
139 * config/floatditf.c: Likewise.
141 2006-02-13 Roger Sayle <roger@eyesopen.com>
144 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
145 into (X,C2) if C1 is a subset of the bits of C2. Transform
146 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
148 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
150 2006-02-13 Josh Conner <jconner@apple.com>
153 * varasm.c (function_section): Check for section name before
154 calling select_section on targets that define
155 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
156 unlikely_text_section instead of hot_function_section if
157 first_function_block_is_cold.
159 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
162 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
164 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
166 PR rtl-optimization/26222
167 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
168 after tree->rtl expansion.
169 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
170 before passing it to emit_move_insn.
172 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
174 * doc/invoke.texi (-Write-strings): Document that it is enabled by
176 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
177 Clarify documentation.
178 * c-common.h (warn_write_strings): Remove.
179 * c-common.c (warn_write_strings): Likewise.
180 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
183 2006-02-12 Roger Sayle <roger@eyesopen.com>
186 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
187 (do_jump_parts_zero_rtx): New function renamed from
188 do_jump_parts_equality_rtx. Made static. Add a mode argument.
189 (do_jump_parts_equality_rtx): New function split out from
190 do_jump_parts_equality. Old implementation renamed as above.
191 Call do_jump_parts_zero_rtx if either operand is zero.
192 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
193 do all of the heavy lifting.
194 (do_compare_rtx_and_jump): Handle multi-word comparisons by
195 calling either do_jump_by_parts_greater_rtx or
196 do_jump_by_parts_equality_rtx.
197 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
198 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
199 moved to do_compare_rtx_and_jump, call it directly.
200 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
201 mode argument. Call do_compare_rtx_and_jump.
202 (emit_case_nodes): Update calls to do_jump_if_equal.
204 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
206 PR rtl-optimization/26225
207 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
209 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
211 PR rtl-optimization/26232
212 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
214 2006-02-11 Jason Merrill <jason@redhat.com>
217 * tree-inline.c (declare_return_variable): Just don't use the
218 modify target if it's a gimple complex reg and the return slot
221 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * doc/contrib.texi: Update my entry.
225 2006-02-10 Geoffrey Keating <geoffk@apple.com>
227 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
229 2006-02-10 Diego Novillo <dnovillo@redhat.com>
231 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
234 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
236 * doc/invoke.texi (-floop-optimize2): Removed.
237 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
238 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
239 Test flag_branch_on_count_reg only if HAVE_doloop_end.
240 * common.opt (floop-optimize2): Removed.
241 (fmove-loop-invariants): Enabled by default.
243 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
245 * tree-if-conv.c (combine_blocks): Free the result of
248 2006-02-10 Jeff Law <law@redhat.com>
250 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
252 PR tree-optimization/26213
253 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
254 loop trying to follow SSA_NAME_VALUE chains.
256 2006-02-10 Richard Guenther <rguenther@suse.de>
258 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
259 deal with structures that end in implicitly variable sized arrays.
261 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
263 PR rtl-optimization/24762
264 * df-scan.c (df_bb_refs_record): Record correct registers defined on
267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
269 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
270 (struct ivopts_data): Add regs_used field.
271 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
272 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
273 instead of loop_data->regs_used;
274 (free_loop_data): Do not free aux fields for loops.
275 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
276 and tree_ssa_iv_optimize_finalize.
278 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
280 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
282 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
285 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
286 computing the effective result type.
288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
291 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
292 (tree_overlaps_hard_reg_set): Declare.
293 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
294 type and signature to match function type expected by walk_tree.
295 (tree_overlaps_hard_reg_set): New function.
296 (decl_conflicts_with_clobbers_p): Rename to:
297 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
298 Use tree_overlaps_hard_reg_set. Changed caller.
299 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
300 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
301 * cris.c (cris_md_asm_clobbers): Likewise.
303 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
305 * reload1.c (emit_input_reload_insns): Delete code that tries to
306 inherit using find_equiv_reg.
308 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
310 * c-common.h (flag_const_strings): Don't declare.
311 * c-common.c (flag_const_strings): Remove.
312 * c.opt (fconst_strings): Remove.
313 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
314 <OPT_Wwrite_strings>: Don't set flag_const_strings.
315 (c_common_init_options): Don't set flag_const_strings.
316 * doc/invoke.texi (-fno-const-strings): Remove documentation.
318 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
320 * arm.md (tlobits_cbranch): New pattern.
321 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
322 testing a single bit.
324 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
327 * tree-ssa-pre.c (create_component_ref_by_pieces):
328 Handle RETURN_DECL like VAR_DECL.
330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
333 * fold-const.c (fold_indirect_ref_1): Fold
334 "*(foo *)&complexfoo" to "__real__ complexfoo"
335 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
337 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
339 * tree-flow-inline.h (var_can_have_subvars):
340 Volatile variables should not have subvariables.
342 2006-02-09 Diego Novillo <dnovillo@redhat.com>
345 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
346 multiplying unsigned values.
349 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
351 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
353 2006-02-08 Jason Merrill <jason@redhat.com>
356 * tree.def: Elaborate on difference from MODIFY_EXPR.
357 * doc/c-tree.texi (INIT_EXPR): Likewise.
358 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
359 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
360 (gimplify_target_expr): Likewise.
361 (gimplify_cond_expr): Remove target handling.
362 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
363 (gimplify_expr): Clobber it here.
364 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
365 Do return slot optimization if we have an INIT_EXPR.
368 * tree-inline.c (declare_return_variable): Also clear
369 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
372 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
375 * gimplify.c (gimplify_one_sizepos): Fix typo.
377 2006-02-08 Jeff Law <law@redhat.com>
379 PR tree-optimization/21417
380 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
381 across a backedge if the control statement at the end of the
382 block is data dependent on other statements in the same block.
383 (record_temporary_equivalences_from_stmts): Remove over-conservative
384 test for threading across backedges.
386 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
387 control statement, handle all three special cases in the same
388 manner as they all have the same desired solution. No longer
389 special case edge flag updating when the post dominator is
392 2006-02-08 Roger Sayle <roger@eyesopen.com>
394 * tree.def (CHAR_TYPE): Remove.
395 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
396 * dwarf2out.c (base_type_die, is_base_type): Likewise.
397 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
398 (gen_string_type_die): Delete unreachable function.
400 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
401 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
402 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
403 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
404 * builtins.c (type_to_class): Likewise.
405 * fold-const.c (fold_convert, build_range_check,
406 merge_ranges): Likewise.
407 * expr.c (count_type_elements): Likewise.
408 * c-pretty-print.c (pp_c_type_specifier): Likewise.
409 * stor-layout.c (layout_type): Likewise.
410 * ipa-type-escape.c (type_to_consider): Likewise.
411 * gimplify.c (omp_firstprivatize_type_sizes,
412 gimplify_type_sizes): Likewise.
413 * explow.c (promote_mode): Likewise.
414 * tree-sra.c (is_sra_scalar_type): Likewise.
415 * varasm.c (output_constant): Likewise.
416 * tree-inline.c (remap_type_1): Likewise.
417 * convert.c (convert_to_pointer, convert_to_real,
418 convert_to_integer, convert_to_complex): Likewise.
420 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
422 * df-scan.c (df_def_record_1): A set destination may
423 be a parallel regardless of mode.
425 2006-02-08 Roger Sayle <roger@eyesopen.com>
428 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
429 * config/mips/_tilib.c: Remove.
430 * config/fixtfdi.c: New libgcc source file.
431 * config/fixunstfdi.c: New source file.
432 * config/floatditf.c: New source file.
433 * config/floatunditf.c: New souce file.
434 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
435 files above instead of config/mips/_tilib.c.
436 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
438 2006-02-08 Jeff Law <law@redhat.com>
440 PR tree-optimization/26169
441 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
444 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
446 * df.h (DF_REG_SIZE): Return the length of the initialized
449 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
451 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
452 __muldf3): Return a correctly signed zero.
454 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
456 * passes.c (register_one_dump_file): Accept the current properties
457 instead of pass number. Adjust call to dump_register. Remove
459 (register_dump_files): Now a wrapper around...
460 (register_dump_files_1): ... this one. Do not modify the pass
462 (next_pass_1): Cosmetic fix.
463 (execute_todo): Keep second parameter only. Use curr_properties
464 instead of fetching it from the pass structure. Check and set
466 (execute_one_pass): Handle TODO_set_props. Use curr_properties
467 instead of fetching it from the pass structure. Fix calls to
468 execute_todo. Update curr_properties and initialize .vcg RTL dump
469 after running the pass. Reset last_verified.
470 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
472 (FIRST_AUTO_NUMBERED_DUMP): New.
473 (dump_register): Remove "num" parameter, assign it within the
475 (get_dump_file_name): Modify template for dumps.
476 * tree-dump.h (dump_register): Adjust prototype.
477 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
478 (PROP_trees): Add PROP_gimple_lomp.
479 (TODO_set_props): New.
480 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
481 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
482 * cfgexpand.c (pass_expand): Destroy PROP_trees.
484 2006-02-08 Jakub Jelinek <jakub@redhat.com>
486 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
487 (sparc64-*-linux*): Likewise.
488 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
489 * config/sparc/t-linux: New file.
490 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
491 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
492 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
493 -m32 -mlong-double-128.
495 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
496 * config/alpha/t-linux: New file.
497 * config/alpha/libgcc-alpha-ldbl.ver: New file.
499 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
500 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
501 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
502 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
503 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
504 (CPP_ARCH32_SPEC): Remove.
506 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
508 PR tree-optimization/26145
509 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
512 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
515 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
516 >= 240000 when generating code for SOM runtime.
517 (output_indirect_call): Don't use "b,l" instruction for indirect calls
518 to $$dyncall when generating code for SOM runtime..
520 2006-02-07 Dirk Mueller <dmueller@suse.com>
523 * doc/invoke.texi (-Wsequence-point): Update documentation
524 that -Wsequence-point is implemented for C++ as well.
526 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
528 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
529 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
530 (LIB_SPEC): Likewise.
531 * doc/invoke.texi (SPARC options): Document -pthread.
533 2006-02-07 Geoffrey Keating <geoffk@apple.com>
535 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
538 2006-02-07 Roger Sayle <roger@eyesopen.com>
540 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
541 Correct comment describing BOOLEAN_TYPE.
543 2006-02-07 Dirk Mueller <dmueller@suse.com>
545 * c.opt: C++ frontend supports -Wdiv-by-zero.
546 * c-opts.c (c_common_handle_option): Remove dead case.
548 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
550 * configure.ac (TLS assembler check): Do not enable TLS by
551 default on SPARC/Solaris before version 10.
552 * configure: Regenerate.
554 2006-02-07 David Edelsohn <edelsohn@gnu.org>
556 * doc/invoke.texi (xl-compat): Document conversion and support
559 2006-02-07 Jeff Law <law@redhat.com>
561 * tree-vrp.c (find_conditional_asserts): Update comments.
562 (simplify_stmt_for_jump_threading): New.
563 (identify_jump_threads, finalize_jump_threads): New.
564 (vrp_finalize): Call identify_jump_threads.
565 (execute_vrp): Call finalize_jump_threads.
566 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
567 (vrp_element, vrp_data, vrp_element_p): Remove.
568 (vrp_hash_elt, vrp_variables_stack): Remove.
569 (vrp_hash, vrp_eq, record_range): Remove.
570 (simplify_cond_and_lookup_avail_expr): Remove.
571 (extract_range_from_cond): Remove.
572 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
573 (simplify_stmt_for_jump_threading): New.
574 (dom_thread_across_edge): New wrapper.
575 (tree_ssa_dominator_optimize): No longer initialize or
576 finalize any of the VRP datastructures. Remove iteration
577 step and simplify as a result of removal of iteration step.
578 (pass_dominator): Perform a cfg cleanup after DOM.
579 (dom_opt_finalize_block): Use the new common routines
580 for threading jumps. Simplify stack management slightly.
581 No longer need to unwind VRP state.
582 (record_equivalences_from_incoming_edge): No longer record
584 (eliminate_redundant_computations): No longer call
585 simplify_cond_and_lookup_avail_expr.
586 * tree-flow.h (potentially_threadable_block): Prototype.
587 (thread_across_edge): Likewise.
588 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
589 (tree-ssa-threadedge.o): Add dependencies.
590 * tree-ssa-threadedge.c: New file.
591 * passes.c (init_optimization_passes): Merge PHIs before
592 calling VRP. Run VRP again late in the SSA optimization pipeline.
594 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
596 * df-core.c (df_set_blocks): Do not dereference function pointers.
597 (df_finish1): Likewise.
598 (df_hybrid_search_forward): Likewise.
599 (df_hybrid_search_backward): Likewise.
600 (df_iterative_dataflow): Likewise.
601 (df_analyze_problem): Likewise.
602 (df_compact_blocks): Likewise.
604 * df-scan.c (df_rescan_blocks): Likewise.
605 (df_record_entry_block_defs): Likewise.
607 * genconditions.c (write_conditions): Guard the definition of
608 'insn_conditions' with the check on GCC version.
609 (write_writer): Guard the traversal 'insn_conditions' with
610 the check on GCC version.
612 2006-02-07 Richard Guenther <rguenther@suse.de>
616 2006-01-30 Richard Guenther <rguenther@suse.de>
618 * gimplify.c (gimplify_target_expr): Handle easy cases
619 without creating a temporary.
621 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
623 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
624 use of float in probability computations. Use edge probabilities
625 in place of statically computed probabilities.
626 (min_spec_prob): New static variable.
627 (schedule_insns): Initialize it.
628 (GET_SRC_PROB): Removed.
629 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
631 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
634 * config/ia64/unwind-ia64.c: Revert last change.
635 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
636 (INCOMING_FRAME_SP_OFFSET): Define.
638 2006-02-06 Roger Sayle <roger@eyesopen.com>
640 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
642 2006-02-07 Ben Elliston <bje@au.ibm.com>
644 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
645 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
646 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
647 (ix86_return_in_memory): Handle TDmode.
648 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
649 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
651 2006-02-06 Richard Sandiford <richard@codesourcery.com>
653 * reorg.c (dbr_schedule): Use dump_file instead of file.
655 2006-02-06 Steve Ellcey <sje@cup.hp.com>
658 * config/ia64/predicates.md (extr_len_operand): New predicate.
659 * config/ia64/ia64.md (extv): Tighten constraints.
661 (*tbit_and_2): Ditto.
662 (*tbit_and_3): Ditto.
668 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
671 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
673 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
675 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
676 loop_optimizer_init and loop_optimizer_finalize
677 * tree-ssa-sink.c (execute_sink_code): Ditto.
678 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
679 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
680 tree_ssa_loop_done): Ditto.
681 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
682 * sched-ebb.c: Include output.h.
683 (schedule_ebbs): Do not use dump argument.
684 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
685 * loop.c (loop_dump_stream): Removed.
686 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
688 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
689 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
690 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
691 loop_iterations, strength_reduce, record_biv, record_giv,
692 final_giv_value, check_final_value, check_ext_dependent_givs,
693 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
694 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
695 dump_file instead of loop_dump_stream.
696 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
698 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
700 * flow.c (life_analysis, rest_of_handle_life): Ditto.
701 * haifa-sched.c: Include output.h
702 (schedule_insns, sched_init): Do not use dump argument.
703 * mode-switching.c (optimize_mode_switching): Ditto.
704 * modulo-sched.c (stats_file): Removed.
705 (print_node_sched_params): Do not call argument dump_file.
706 (sms_schedule_by_order, loop_canon_p, sms_schedule,
707 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
709 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
711 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
712 rtl_loop_init, rtl_loop_done): Ditto.
713 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
714 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
716 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
717 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
718 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
719 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
720 * emit-rtl.c (renumber_insns): Ditto.
721 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
722 expand_gimple_basic_block, tree_expand_cfg): Ditto.
723 * regclass.c (regclass): Ditto.
724 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
725 remove_ssa_form, rewrite_out_of_ssa): Ditto.
726 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
727 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
729 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
730 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
732 * gcse.c (gcse_file, debug_stderr): Removed.
733 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
734 rest_of_handle_gcse): Do not use dump argument.
735 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
736 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
737 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
738 compute_code_hoist_vbeinout, compute_code_hoist_data,
739 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
740 compute_store_table, build_store_vectors, insert_insn_start_bb,
741 insert_store, remove_reachable_equiv_notes, replace_store_insn,
742 store_motion): Use dump_file instead of gcse_file.
743 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
744 * profile.c (profile_dump_file): Removed.
745 (branch_prob): Use dump_file instead of profile_dump_file.
746 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
748 * tree-ssa-copy.c (dump_copy_of): Ditto.
749 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
750 dump file to life_analysis.
751 * bt-load.c (branch_target_load_optimize): Ditto.
752 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
754 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
755 regclass, dbr_schedule): Declaration changed.
756 * sched-int.h (sched_init): Declaration changed.
757 * tree-profile.c (tree_profile_dump_file): Removed.
758 (tree_profile_hooks): Removed profile_dump_file hook.
759 * rtl-profile (rtl_profile_dump_file): Removed.
760 (rtl_profile_hooks): emoved profile_dump_file hook.
761 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
763 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
764 * tree-cfg.c (build_tree_cfg): Ditto.
765 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
766 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
768 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
769 life_analysis and schedule_insns.
770 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
772 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
774 * config/mips/mips.c (mips_reorg): Ditto.
775 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
778 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
780 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
781 (s390_mangle_fundamental_type): New.
782 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
785 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
786 (alpha_mangle_fundamental_type): New.
787 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
790 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
792 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
794 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
795 (sparc_mangle_fundamental_type): New.
797 2006-02-06 Jakub Jelinek <jakub@redhat.com>
799 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
800 (s390x-*-linux*): Likewise.
801 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
802 * config/s390/t-linux: New file.
804 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
806 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
807 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
809 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
811 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
812 (ANTIC_SAFE_LOADS): New macro.
813 (find_or_generate_expression): Add prototype.
814 (set_contains_value): Allow null set for sake of not always having
815 to allocate ANTIC_SAFE_LOADS.
816 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
817 Allow COMPONENT_REF too.
818 (valid_in_set): Allow COMPONENT_REF.
819 Check ANTIC_SAFE_LOADS too.
820 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
821 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
823 (can_PRE_operation): Add COMPONENT_REF.
824 (create_component_ref_by_pieces): New function.
825 (create_expression_by_pieces): Use create_component_ref_by_pieces.
826 (insert_aux): Move AGGREGATE_TYPE_P check here.
827 (compute_avail): Set bb local stmt uids.
828 (pass_pre): Use TODO_update_ssa_only_virtuals.
830 2006-02-06 Ben Elliston <bje@au.ibm.com>
832 * configure.ac: Unconditionally disable decimal float by default.
833 * configure: Regenerate.
835 2006-02-06 Ben Elliston <bje@au.ibm.com>
837 * read-rtl.c (read_name): Terminate reading on EOF.
839 2006-02-06 Ben Elliston <bje@au.ibm.com>
841 * dfp.c (decimal_real_arithmetic): Change second argument type
842 from int to enum tree_code. Do not always return true, but now
843 return result of any call to decimal_do helper functions.
844 * dfp.h (decimal_real_arithmetic): Update prototype.
846 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
848 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
850 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
853 * tree-cfg.c (cleanup_dead_labels): Also don't remove
856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
858 * tree-vrp.c (cfg_loops): Removed.
859 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
860 Use current_loops instead of cfg_loops. Pass flags to
862 * cfgloopmanip.c (fix_loop_structure): Update only available
864 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
866 * modulo-sched.c (build_loops_structure): Removed.
867 (sms_schedule): Use loop_optimizer_init.
868 * loop-init.c (loop_optimizer_init): Use flags to determine
869 which properties of loops to prepare.
870 (rtl_loop_init): Pass flags to loop_optimizer_init.
871 * tree-ssa-sink.c (execute_sink_code): Ditto.
872 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
873 * tree-ssa-pre.c (init_pre): Ditto.
874 * cfgloop.h (LOOPS_NORMAL): New.
875 (loop_optimizer_init): Declaration changed.
877 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
879 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
880 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
882 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
884 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
886 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
887 * pa/t-pa64: Delete quadlib.c rule.
888 * pa/x-ada: Revert last change.
889 * pa/t-pa: Revert last change. Delete quadlib.c rule.
891 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
893 PR rtl-optimization/26087
894 * rtlanal.c (canonicalize_condition): Do not cross basic block
897 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
900 * config/ia64/ia64.c: Include debug.h.
901 (MAX_ARTIFICIAL_LABEL_BYTES): New.
902 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
903 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
904 (process_epilogue, process_set, process_for_unwind_directive):
905 Output unwind info only if requested. Add CFA info if requested.
906 Add new arguments as needed. Adjust callers.
907 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
909 (DWARF2_FRAME_INFO): Define to zero.
910 * config/ia64/unwind-ia64.c: Remove code that compensated for
911 the CFA offset error fixed above.
912 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
913 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
914 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
915 -funwind-tables and -fexceptions to enable frame info.
916 (dwarf2out_frame_init): Define initial CFA even if
917 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
918 DWARF2_UNWIND_INFO is nonzero, not just defined.
919 (dwarf2out_frame_finish): Output non-EH call frame info only
920 if DWARF2_FRAME_INFO is nonzero.
921 (convert_cfa_to_loc_list,
922 compute_frame_pointer_to_cfa_displacement): Define even if
923 unwind info is not supported.
924 (gen_subprogram_die): Use the above unconditionally. Remove
925 legacy alternate code.
926 * toplev.c (compile_file): Compile in call to
927 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
928 (lang_dependent_init): Ditto for dwarf2out_frame_init.
930 2006-02-04 David Edelsohn <edelsohn@gnu.org>
931 Jakub Jelinek <jakub@redhat.com>
933 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
934 IBM extended float format long double as "g" on powerpc*-linux.
936 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
939 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
940 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
942 2006-02-03 Jason Merrill <jason@redhat.com>
945 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
948 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
949 on the return slot if it's an NRV.
951 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
953 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
954 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
955 rewrite_use): Do not handle USE_OUTER.
956 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
957 add_iv_outer_candidates, may_replace_final_value,
958 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
959 (find_interesting_uses_op): Functionality of
960 find_interesting_uses_outer_or_nonlin moved here.
961 (find_interesting_uses_outside): Use find_interesting_uses_op.
963 2006-02-03 Alan Modra <amodra@bigpond.net.au>
966 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
968 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
969 Ulrich Weigand <uweigand@de.ibm.com>
972 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
973 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
974 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
975 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
977 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
978 (s390_rtx_costs): Use the new fields to calculate rtx costs.
979 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
980 Define secondary reloads for TFmode moves.
981 (constant_modes): Add TFmode.
982 (NR_C_MODES): Set to 8.
983 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
985 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
986 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
987 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
988 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
989 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
990 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
991 (FPR mode macro): Add TFmode.
992 (DSF mode macro): New.
993 (<de>, <dee> mode attributes): Removed.
994 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
995 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
996 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
997 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
998 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
999 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
1000 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
1001 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
1002 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
1003 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
1004 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
1005 "*negabs<mode>2", "sqrt<mode>2"):
1006 Changed <de> to <xde>. R constraint replaced by <Rf>.
1007 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
1009 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
1010 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
1011 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
1013 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
1014 "extenddftf2", "extendsftf2"): New expanders.
1015 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1016 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
1017 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
1018 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
1020 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
1021 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
1022 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
1023 __floatditf): Add a GCC_4.1.0 symbol version tag.
1024 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
1027 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
1030 * config/i386/i386.c (ix86_function_ok_for_sibcall):
1031 Use targetm.binds_local_p instead of TREE_PUBLIC.
1033 2006-02-02 Roger Sayle <roger@eyesopen.com>
1035 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
1036 on INTEGER_TYPEs to indicate that it denotes a character type.
1037 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
1038 signed_char_type_node, unsigned_char_type_node and char_type_node.
1039 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
1040 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
1041 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
1043 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
1044 Daniel Berlin <dberlin@dberlin.org>
1046 * tree-tailcall.c (arg_needs_copy_p): New function.
1047 (eliminate_tail_call): Use arg_needs_copy_p.
1048 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
1049 (add_virtual_phis): New function.
1051 2006-02-02 Jakub Jelinek <jakub@redhat.com>
1053 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
1054 #ignore instead of #scratch for %g7 .register directive.
1056 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
1058 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
1061 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
1063 * flow.c (calculate_global_regs_live): Assert that there aren't any
1066 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
1068 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
1070 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
1071 bsi_after_labels iterator.
1072 * tree-if-conv.c (find_phi_replacement_condition,
1073 replace_phi_with_cond_modify_expr): Likewise.
1074 * tree-scalar-evolution.c (scev_const_prop): Likewise.
1075 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
1077 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1079 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
1081 2006-02-02 Diego Novillo <dnovillo@redhat.com>
1084 * tree-cfg.c (move_block_to_fn): Clear out the basic block
1085 array after growing it.
1087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1090 * fold-const.c (fold_checksum_tree): Change type of buf.
1092 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
1094 * reload.c (push_secondary_reload): Initialize t_icode.
1096 2006-02-01 Jakub Jelinek <jakub@redhat.com>
1098 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
1099 -msoft-float -mlong-double-128 only issue a warning, but don't
1100 swich to DFmode long double.
1102 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
1104 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
1105 has a constant equivalent, iterate over equivalents for arg0,
1106 calling simplify_relational_operation and if there's a result
1107 cheaper than X, apply fold_rtx and return the result.
1109 2006-02-01 Jan Hubicka <jh@suse.cz>
1111 * opts.c (no_unit_at_a_time_default): New global variable.
1112 (decode_options): Use it.
1113 * opts.h (no_unit_at_a_time_default): Declare.
1115 2006-02-01 Paul Brook <paul@codesourcery.com>
1117 * function.c (assign_parm_setup_reg): Use function argument promotion
1119 * expr.c (expand_expr_real_1): Use function argument promotion rules
1122 2006-02-01 Steve Ellcey <sje@cup.hp.com>
1124 * gcc.c (process_command): Change j to 'unsigned int'.
1126 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1129 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
1130 Use the corrected index for the character
1131 out of the string constant.
1133 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1135 * mode-switching.c (optimize_mode_switching): Fix size
1136 allocated for bb_info[n_entities].
1138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
1140 * gcc.c (main): Correct type that is allocated for
1141 explicit_link_files.
1143 2006-01-31 Jakub Jelinek <jakub@redhat.com>
1145 * config/s390/s390.c (init_alignment_context): Set
1146 ALIAS_SET_MEMORY_BARRIER on the MEM.
1147 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
1149 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
1152 * loop-unroll.c (unroll_loop_runtime_iterations): Free
1154 * tree-ssa-live.c (type_var_init): Allocate bitmap after
1157 2006-01-31 Marcin Dalecki <martin@dalecki.de>
1159 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
1160 * regrename.c: Ditto.
1161 * tree-ssa-loop-im.c: Ditto.
1162 * tree-dump.c: Ditto.
1163 * tree-complex.c: Ditto.
1164 * genrecog.c: Ditto.
1165 * tree-ssa-threadupdate.c: Ditto.
1167 * java/class.c: Ditto.
1168 * java/jcf-parse.c: Ditto.
1169 * java/resource.c: Ditto.
1170 * java/except.c: Ditto.
1171 * java/jvspec.c: Ditto.
1172 * java/jcf-write.c: Ditto.
1173 * java/jcf-path.c: Ditto.
1174 * java/gjavah.c: Ditto.
1175 * java/zextract.c: Ditto.
1176 * java/jcf-io.c: Ditto.
1177 * java/jcf.h: Ditto.
1178 * java/buffer.c: Ditto.
1179 * java/lang.c: Ditto.
1180 * java/parse-scan.y: Ditto.
1181 * java/lex.c: Ditto.
1182 * java/lex.h: Ditto.
1183 * cfgloopmanip.c: Ditto.
1184 * postreload-gcse.c: Ditto.
1185 * tree-ssa-loop-manip.c: Ditto.
1186 * postreload.c: Ditto.
1187 * tree-ssa-loop-ch.c: Ditto.
1191 * diagnostic.c: Ditto.
1193 * genoutput.c: Ditto.
1195 * cfghooks.c: Ditto.
1196 * cfgloopanal.c: Ditto.
1197 * objc/objc-act.c: Ditto.
1199 * genextract.c: Ditto.
1200 * genautomata.c: Ditto.
1201 * pretty-print.c: Ditto.
1203 * cgraphunit.c: Ditto.
1206 * haifa-sched.c: Ditto.
1207 * dominance.c: Ditto.
1209 * tree-ssa-loop-ivopts.c: Ditto.
1211 * mode-switching.c: Ditto.
1212 * modulo-sched.c: Ditto.
1214 * ipa-pure-const.c: Ditto.
1216 * fix-header.c: Ditto.
1218 * tree-stdarg.c: Ditto.
1219 * ipa-utils.c: Ditto.
1220 * loop-init.c: Ditto.
1221 * ipa-inline.c: Ditto.
1224 * alloc-pool.c: Ditto.
1225 * dwarf2out.c: Ditto.
1227 * genattrtab.c: Ditto.
1228 * tree-ssa-loop-ivcanon.c: Ditto.
1232 * fortran/gfortranspec.c: Ditto.
1234 * local-alloc.c: Ditto.
1235 * langhooks.c: Ditto.
1236 * function.c: Ditto.
1237 * tree-vectorizer.c: Ditto.
1239 * ipa-type-escape.c: Ditto.
1241 * tree-if-conv.c: Ditto.
1244 * tree-data-ref.c: Ditto.
1245 * loop-unroll.c: Ditto.
1246 * treelang/treetree.c: Ditto.
1249 * ggc-common.c: Ditto.
1251 * coverage.c: Ditto.
1253 * tree-cfgcleanup.c: Ditto.
1254 * tree-ssa-pre.c: Ditto.
1255 * cfgcleanup.c: Ditto.
1256 * loop-invariant.c: Ditto.
1258 * ipa-prop.c: Ditto.
1259 * print-tree.c: Ditto.
1260 * conflict.c: Ditto.
1261 * ggc-page.c: Ditto.
1262 * sched-deps.c: Ditto.
1263 * regclass.c: Ditto.
1264 * tree-object-size.c: Ditto.
1266 * bb-reorder.c: Ditto.
1267 * resource.c: Ditto.
1268 * var-tracking.c: Ditto.
1270 * df-problems.c: Ditto.
1271 * reg-stack.c: Ditto.
1274 * sched-rgn.c: Ditto.
1275 * tree-ssa-structalias.c: Ditto.
1276 * tree-ssa-reassoc.c: Ditto.
1277 * config/darwin-c.c: Ditto.
1278 * config/darwin.c: Ditto.
1279 * config/arm/arm.c: Ditto.
1281 * collect2.c: Ditto.
1284 2006-01-31 Nicolas Pitre <nico@cam.org>
1286 * arm.md (smaxsi3): Make aware of smax_m1.
1289 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
1291 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1293 2006-01-31 Richard Guenther <rguenther@suse.de>
1295 * doc/invoke.texi (-msselibm): Document.
1296 * target.h (expand_library_builtin): New target hook.
1297 * builtins.c (expand_builtin): Use expand_library_builtin.
1298 (default_expand_library_builtin): New function.
1299 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1300 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1301 (link_gcc_math_spec): Declare.
1302 (static_specs): Add link_gcc_math_spec.
1303 * expr.h (default_expand_library_builtin): Declare.
1304 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1305 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1306 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1307 * config/i386/i386.opt (msselibm): New target option.
1308 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1309 (ix86_init_sse_abi_builtins): New function.
1310 (ix86_expand_library_builtin): Likewise.
1311 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1312 (override_options): Handle error conditions wrt -msselibm.
1313 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1314 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1315 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1318 2006-01-31 Richard Guenther <rguenther@suse.de>
1319 Paolo Bonzini <bonzini@gnu.org>
1321 * doc/install.texi (--disable-libgcc-math): Document.
1323 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1325 * expr.h (expand_normal): new inline function.
1326 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1328 * dwarf2out.c: use it.
1333 * config/sparc/sparc.c: use it.
1334 * config/i386/i386.c: use it.
1335 * config/rs6000/rs6000.c: use it.
1336 * config/arm/arm.c: use it.
1337 * config/mips/mips.c: use it.
1338 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1340 2006-01-30 Roger Sayle <roger@eyesopen.com>
1342 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1343 argv to the appropriate type.
1345 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1347 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1350 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1353 * config/s390/s390.c (struct machine_function): New flag
1354 decomposed_literal_pool_addresses_ok_p.
1355 (s390_reorg): Set it before final stage of literal pool transforms.
1356 (s390_decompose_address): Only accept displacements of the form
1357 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1359 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1361 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1362 the comparison routine return.
1364 2006-01-30 Michael Matz <matz@suse.de>
1366 * global.c (find_reg): Only evict for global regs.
1367 Take n_refs into account and dump more info.
1369 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1372 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1373 (pragma_trap, pragma_nosave_low_regs): Likewise.
1374 (current_function_anonymous_args): Likewise.
1375 (sh_deferred_function_attributes): New variable.
1376 (sh_deferred_function_attributes_tail): Likewise.
1377 (print_operand): For '@', look up trap_exit attribute.
1378 (calc_live_regs): Look up trapa_handler attribute. For trapa
1379 handlers, save/restore fpscr, but don't do any other
1380 interrupt-specific saves.
1381 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1382 Fix check for partially saved registers to check for SHmedia.
1383 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1384 (sh_output_function_epilogue): Don't clear any of the removed
1386 (sh_insert_attributes): Don't check pragma_interrupt.
1387 Insert deferred attributes. Check that interrupt attribute is
1388 present for other attributes that require its presence.
1389 (sh_attribute_table): Add new attributes trapa_handler and
1391 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1392 Don't check for pragma_interrupt. Don't store argument.
1393 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1394 (sh_deferred_function_attributes): Declare.
1395 (sh_deferred_function_attributes_tail): Likewise.
1396 * sh.md (sp_switch_1): Add operand. Change generator caller.
1397 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1398 (*return_i): Don't use when trap_exit attribute is in effect.
1399 (*return_trapa): New insn pattern.
1401 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1402 setting c_target_objs and cxx_target_objs.
1403 * t-sh: Add rule for sh-c.o.
1405 2006-01-30 Richard Guenther <rguenther@suse.de>
1408 * gimplify.c (gimplify_target_expr): Handle easy cases
1409 without creating a temporary.
1411 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1413 * vec.h (safe_grow): Remove duplicated line.
1415 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1418 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1419 (expand_omp): ... here.
1420 (expand_omp_parallel): Only remove barriers for combined
1421 parallel+workshare constructs.
1423 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1427 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1428 * tree.c (build_qualified_type): Chain the new type to the original
1429 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1430 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1431 (build_pointer_type_for_mode): Only return unqualified types.
1432 (build_reference_type_for_mode): Likewise.
1434 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1436 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1437 * Makefile.in (CXX_COMPAT_WARN): Define.
1438 * configure: Regenerate.
1440 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1443 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1446 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1448 * toplev.c: Fix thinko.
1450 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1451 Marcin Dalecki <martin@dalecki.de>
1453 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1454 (push_srcloc): Use XNEW.
1455 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1457 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1459 * df-core.c (df_set_blocks): Deleted all variable.
1461 2006-01-28 Ian Lance Taylor <ian@airs.com>
1463 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1464 cgraph_output_pending_asms.
1466 2006-01-28 Zack Weinberg <zackw@panix.com>
1468 * c.opt: Add -W(no-)overlength-strings.
1469 * doc/invoke.texi: Document it.
1470 * c-opts.c (c_common_handle_option): -pedantic implies
1471 -Woverlength-strings, if not explicitly disabled already.
1472 (c_common_post_options): -Woverlength-strings defaults to off, and
1473 is always off for C++.
1474 * c-common.c (fix_string_type): Issue warning about strings longer
1475 than is portable only if warn_overlength_strings. Rearrange code
1476 a little for clarity.
1477 * configure.in: Check for -Wno-overlength-strings as well before
1478 enabling -pedantic in stage 1.
1479 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1480 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1482 * genconditions.c (write_header, write_one_condition)
1483 (write_conditions, write_writer): Consolidate very long strings
1484 that were broken up to fit in C89 portable limit. Don't use
1485 printf when fputs will do.
1487 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1489 * combine.c (simplify_comparison <AND>): Check
1490 TRULY_NOOP_TRUNCATION before start using a subreg.
1492 * config/mips/mips.md (*branch_zero<mode>,
1493 *branch_zero<mode>_inverted, *branch_equality<mode>,
1494 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1495 Remove mode check from comparisons.
1497 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1499 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1501 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1503 * expmed.c (const_mult_add_overflow_p): Remove.
1504 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1506 * recog.c (validate_replace_rtx_subexp): Remove.
1507 * recog.h: Remove the prototype for
1508 validate_replace_rtx_subexp.
1510 * integrate.h: Remove the prototype for
1511 copy_decl_for_inlining.
1512 * rtl.h: Remove the prototype for mark_constant_function.
1513 * tree-vectorizer.h: Remove the prototype for
1514 vect_strip_conversion.
1516 * modulo-sched.c (create_partial_schedule,
1517 free_partial_schedule, reset_partial_schedule): Make them
1520 * hooks.c (hook_bool_rtx_int_false): Remove.
1521 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1523 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1525 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1526 and -mlong-double-128 are incompatible.
1527 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1528 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1529 (TARGET_LIBGCC2_CFLAGS): Define.
1530 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1531 (TARGET_LIBGCC2_CFLAGS): Same.
1532 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1534 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1537 * c-typeck.c (build_binary_op): Perform implicit casts of
1538 operands before shortening them.
1540 * cfgloopmanip.c (split_loop_bb): Remove.
1541 * cfgloop.h: Remove the prototype for split_loop_bb.
1543 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1544 * cfgloop.h: Remove the prototype for
1545 flow_loop_outside_edge_p.
1547 * emit-rtl.c (init_virtual_regs): Make it static.
1548 * function.h: Remove the prototype for init_virtual_regs.
1550 * recog.c (peephole2_optimize): Make it static.
1551 * recog.h: Remove the prototype for peephole2_optimize.
1553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1555 * df-scan.c (df_record_entry_block_defs): Check if
1556 INCOMING_RETURN_ADDR_RTX is defined.
1558 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1559 Kenneth Zadeck <zadeck@naturalbridge.com>
1561 PR rtl-optimization/24762
1562 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1563 * targhooks.c (hook_void_bitmap): New hook prototype.
1564 * targhoohs.h (hook_void_bitmap): Ditto.
1565 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1566 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1567 * target.h (live_on_entry): New function pointer.
1568 * df-scan.c (df_all_hard_regs): Removed.
1569 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1570 (df_scan_free_internal): Added df->entry_block_defs.
1571 (df_scan_alloc): Ditto.
1572 (df_scan_dump): Ditto.
1573 (df_uses_record): Plumbed flag field properly thru calls.
1574 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1575 This part fixes PR24762.
1576 (df_bb_refs_record): Added code to make the frame and arg
1577 pointers live in EH blocks.
1578 (df_refs_record): Added call to df_record_entry_block_defs.
1579 (df_record_entry_block_defs): New function.
1580 * df-core.c: Added comments to describe new artifical defs.
1581 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1582 (entry_block_defs): New field in struct df.
1583 (df_all_hard_regs): Deleted.
1584 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1585 * df-problems.c (df_ru_bb_local_compute_process_def):
1586 Added code to handle artifical defs in the entry to a function.
1587 (df_ru_bb_local_compute): Ditto.
1588 (df_rd_bb_local_compute_process_def): Ditto.
1589 (df_rd_bb_local_compute): Ditto.
1590 (df_lr_bb_local_compute): Ditto.
1591 (df_ur_bb_local_compute): Ditto.
1592 (df_urec_bb_local_compute): Ditto.
1593 (df_chain_create_bb): Ditto.
1594 (df_ur_local_finalize): Removed entry.
1595 (df_urec_init): Ditto.
1596 (df_urec_local_finalize): Ditto.
1597 (df_ri_bb_compute): Added detection of last use of pseudos.
1598 * Makefile.in (df-scan.o): Updated dependencies.
1599 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1600 * config/mips/mips.c (mips_set_live_on_entry): Added.
1601 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1603 * dce.c (marked_insn_p): Added code to handle artifical defs.
1605 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1607 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1609 (_mm_cvtsi128_si64): Likewise.
1610 (_mm_cvtsd_si64): Likewise.
1611 (_mm_cvttsd_si64): Likewise.
1612 (_mm_cvtsi64_sd): Likewise.
1613 (_mm_cvtsi64_si128): Likewise.
1614 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1615 (_mm_cvtsi64_m64): Likewise.
1616 (_m_to_int64): Likewise.
1617 (_mm_cvtm64_si64): Likewise.
1618 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1619 (_mm_cvttss_si64): Likewise.
1620 (_mm_cvtsi64_ss): Likewise.
1621 (_mm_cvtss_f32): Likewise.
1623 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1625 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1626 for pragma redefine_extname.
1628 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1631 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1632 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1633 -mno-minimal-toc to previous content.
1634 (bispecs): Remove goal.
1635 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1636 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1637 compatibility aliases on powerpc-*-*gnu*.
1638 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1639 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1640 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1641 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1642 (ldblspecs): New goal.
1643 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1644 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1646 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1647 L_sf_to_tf or L_df_to_tf is defined.
1649 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1650 Alan Modra <amodra@bigpond.net.au>
1653 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1654 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1655 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1656 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1657 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1658 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1659 (rs6000_override_options): Initialize rs6000_ieeequad.
1660 Initialize TFmode format to ibm_extended_format if not
1662 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1664 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1665 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1666 (function_arg_advance): IBM long double passed in two FPRs, not
1668 (function_arg): IBM long double passed in FPRs.
1669 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1670 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1671 Only multireg GPR aligned.
1672 (rs6000_init_libfuncs): Enable IBM long double functions if not
1674 (rs6000_generate_compare): Use IBM long double compare if not
1676 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1677 (TARGET_IEEEQUAD): Define.
1678 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1679 not TARGET_IEEEQUAD.
1680 * config/rs6000/rs6000.md: Enable TFmode patterns if
1682 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1683 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1684 and -mlong-double-128 are incompatible.
1685 * doc/invoke.texi (-mabi): Collect options together. Add
1686 ibmlongdouble and ieeelongdouble.
1688 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1690 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1692 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1693 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1694 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1695 * rtl.h (rtunion_def): Remove rt_ptr.
1697 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1698 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1699 * config/i386/winnt.c (i386_pe_mark_dllexport)
1700 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1702 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1704 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1706 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1710 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1711 pthread_key_delete. From John David Anglin. gthrw-ify
1712 pthread_getunique_np only if it it's not a macro. Delete
1714 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1715 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1716 __gthread_objc_condition_signal, __gthread_key_delete): Add
1717 "__attribute__ ((__unused__))" to unused arguments.
1718 (__gthread_recursive_mutex_init_function): Add missing return.
1719 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1720 gthr-posix95.h: Use macro-based approach for name redirection
1721 on targets missing weakref.
1723 2006-01-26 Zack Weinberg <zackw@panix.com>
1725 * genconditions.c (write_header): In generated code, #ifdef out
1726 all includes and fake declarations, except includes of bconfig.h
1727 and system.h, unless GCC_VERSION >= 3001. Do not include
1728 gensupport.h in any case.
1729 (write_conditions): Generate a definition of struct c_test. Add
1730 a comment to the generated #endif.
1731 (write_one_condition): Escape backslashes in string too.
1732 (write_writer): Generated code must escape backslashes and quote
1733 marks (but not newlines) in the strings it writes.
1734 * Makefile.in (build/gencondmd.o): Update dependencies.
1736 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1739 * Makefile.in (insn-automata.o): Add header file dependencies.
1740 * genautomata.c: Add includes.
1742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1745 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1747 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1749 * configure.ac: Expect target tools paths to be passed from the toplevel
1750 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1752 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1754 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1757 * c.opt (Wpointer-sign): Init to -1.
1758 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1759 OPT_pedantic, to 0 otherwise.
1760 * doc/invoke.texi: Update.
1762 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1764 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1765 constants provided by 80387 instructions in the destination mode.
1767 2006-01-26 Richard Guenther <rguenther@suse.de>
1768 Andrew Pinski <pinskia@physics.uc.edu>
1771 partial PR tree-opt/17064
1772 * tree-ssa-structalias.c (intra_create_variable_infos):
1773 Create heap variables for incoming parameters if
1774 flag_argument_noalias > 1.
1775 (find_what_p_points_to): Look through default defs of
1778 2006-01-26 Jeff Law <law@redhat.com>
1781 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1782 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1783 within the VR_RANGE, use the VR_RANGE as the result, not the
1785 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1786 bounds for the type.
1788 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1790 * tree-ssa-alias.c (maybe_create_global_var): Change
1791 subvar walking to an assertion that we don't have subvar'd variables.
1793 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1796 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1797 Use a new variable, inner. PARM_DECLs are always non-weak.
1799 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1801 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1804 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1806 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1808 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1810 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1811 (smax_insn, smin_insn, smax_0, smin_0): New.
1813 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1816 * config/cris/cris.c (cris_order_for_addsi3): New function.
1817 * config/cris/cris-protos.h: Prototype it.
1818 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1819 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1820 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1821 (split for "op.S1 [rx=rx+i],ry (swapped)")
1822 (split for "op(s|u).S1 [rx=rx+i],ry")
1823 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1824 Apply cris_order_for_addsi3 when generating addsi3 insns.
1826 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1828 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1829 (TREE_BLOCK): Add call to EXPR_CHECK.
1831 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1834 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1835 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1836 (dump_omp_clauses): ... here.
1837 (dump_generic_node): Handle OMP_CLAUSE.
1838 * tree.c (omp_clause_num_ops): New.
1839 (omp_clause_code_name): New.
1840 (tree_code_size): Handle OMP_CLAUSE.
1841 (tree_size): Likewise.
1842 (make_node): Document handling of OMP_CLAUSE.
1843 (tree_node_structure): Handle OMP_CLAUSE.
1844 (omp_clause_check_failed): New.
1845 (omp_clause_range_check_failed): New.
1846 (omp_clause_operand_check_failed): New.
1847 (build_omp_clause): New.
1848 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1849 * tree.h (enum omp_clause_code): Declare.
1850 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1851 (OMP_CLAUSE_RANGE_CHECK): Define.
1852 (OMP_CLAUSE_ELT_CHECK): Define.
1853 (omp_clause_check_failed): Declare.
1854 (omp_clause_operand_check_failed): Declare.
1855 (omp_clause_range_check_failed): Declare.
1856 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1857 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1858 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1859 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1860 (OMP_CLAUSE_IF_EXPR): Likewise.
1861 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1862 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1863 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1864 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1865 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1866 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1867 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1868 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1869 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1870 (OMP_CLAUSE_CODE): Define.
1871 (OMP_CLAUSE_SET_CODE): Define.
1872 (OMP_CLAUSE_CODE): Define.
1873 (OMP_CLAUSE_OPERAND): Define.
1874 (struct tree_omp_clause): Declare.
1875 (union tree_node): Add field 'omp_clause'.
1876 * treestruct.def (TS_OMP_CLAUSE): Define.
1877 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1878 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1879 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1880 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1881 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1882 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1883 (OMP_CLAUSE): Define.
1884 * print-tree.c (print_node): Handle OMP_CLAUSE.
1885 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1886 * c-typeck.c: Likewise.
1887 * gimplify.c: Likewise.
1888 * c-omp.c: Likewise.
1889 * tree-nested.c: Likewise.
1890 * tree-inline.c: Likewise.
1891 * c-parser.c: Likewise.
1892 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1895 2006-01-25 Roger Sayle <roger@eyesopen.com>
1897 PR rtl-optimization/25703
1898 * combine.c (try_combine): Handle zero_extract and strict_low_part
1899 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1901 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1903 * global.c: Fix comment typos.
1905 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1908 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1909 Use output_addr_const instead of assemble_name.
1911 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1913 * Makefile.in (sched-vis.o): Update dependencies.
1914 * haifa-sched.c (sched_finish): Clear current_sched_info.
1915 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1916 (dump_flow_info): Call it.
1917 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1919 * basic-block.h (dump_bb_info): Declare.
1920 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1921 option, and apply options only for dump files whose TDF_RTL,
1922 TDF_TREE, or TDF_IPA bits match.
1923 * rtl.h: Declare new functions exported from sched-vis.c.
1924 * sched-vis.c: Enable also if scheduling is not used.
1925 (print_value): Print the mode of registers if not inside scheduling.
1926 (print_insn): Make it work outside the scheduler. Beautify the output
1928 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1930 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1932 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1933 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1934 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1935 depending on the value of CONSTANT_POOL_ADDRESS_P.
1936 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1938 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1939 rather than SYMBOL_REF_DECL.
1940 (rtx_constant_pool): Remove const_rtx_sym_htab.
1941 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1942 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1943 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1944 Remove handling of const_rtx_sym_htab.
1945 (find_pool_constant): Delete.
1946 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1947 rather than find_pool_constant.
1948 (get_pool_constant_for_function): Delete.
1949 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1951 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1952 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1953 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1954 (SYMBOL_REF_CONSTANT): New macro.
1955 (get_pool_constant_for_function): Delete.
1956 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1957 rather than SYMBOL_REF_DECL.
1958 (i386_pe_mark_dllimport): Likewise.
1959 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1960 rather than SYMBOL_REF_DECL.
1961 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1962 (machopic_indirect_call_target): Likewise.
1964 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1966 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1968 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1970 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1972 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1974 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1976 2006-01-24 David Daney <ddaney@avtrex.com>
1979 * configure.ac (enable_tls): New enable option.
1980 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1981 * configure: Regenerate.
1982 * doc/install.texi (--enable-tls): Document new option.
1983 (--disable-tls): Ditto.
1985 2006-01-24 Richard Henderson <rth@redehat.com>
1987 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1988 * alias.c (true_dependence): Respect it.
1989 (canon_true_dependence, write_dependence_p): Likewise.
1990 * builtins.c (get_builtin_sync_mem): Set it.
1992 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1994 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1997 2006-01-24 DJ Delorie <dj@redhat.com>
1999 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
2000 for storing constants in single-bit bitfields.
2002 2006-01-25 Ben Elliston <bje@au.ibm.com>
2004 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
2006 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
2009 * tree-ssa-pre.c (phi_translate): Return NULL
2010 for AGGREGATE_TYPE's.
2012 2006-01-24 Zack Weinberg <zackw@panix.com>
2014 * genautomata.c (process_state_for_insn_equiv_partition):
2015 Use xcalloc for insn_arcs_array.
2016 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
2017 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
2019 2006-01-24 Richard Henderson <rth@redhat.com>
2021 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
2024 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
2026 PR rtl-optimization/25890
2027 PR rtl-optimization/25905
2028 * combine.c (expand_compound_operation, expand_field_assignment):
2029 Fail if the bitfield's final position is out of bounds.
2031 2006-01-24 Ian Lance Taylor <ian@airs.com>
2034 * cgraphunit.c (cgraph_output_in_order): Don't clear
2035 cgraph_asm_nodes until after asm strings have been output.
2037 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
2039 * fix-header.c (read_scan_file): Add new parameter imultilib when
2040 calling register_include_chains.
2042 2006-01-23 Diego Novillo <dnovillo@redhat.com>
2044 * omp-low.c: Update documentation.
2046 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2047 Daniel Berlin <dberlin@dberlin.org>
2051 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
2052 return from the function.
2054 2006-01-22 Zack Weinberg <zackw@panix.com>
2056 * rtl.def (match_code): Add second argument.
2057 * genpreds.c (write_extract_subexp): New function.
2058 (write_match_code): Add path argument. Use write_extract_subexp.
2059 (write_predicate_expr): Pass path to write_match_code.
2060 (mark_mode_tests): MATCH_CODE applied to a subexpression does
2061 not perform a mode test.
2062 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
2063 a subexpression does not constrain the top-level code set.
2064 * read-rtl.c (read_rtx_variadic): New function.
2065 (read_rtx_1): Use it; allow AND and IOR to be variadic.
2066 * doc/md.texi: Document new notation.
2067 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
2068 (cmpsi_operand): ... here, using new notation.
2070 2006-01-22 Zack Weinberg <zackw@panix.com>
2072 * varray.c: Remove GENERATOR_FILE #ifdefs.
2074 2006-01-22 Zack Weinberg <zackw@panix.com>
2076 * genautomata.c (output_reserved_units_table): Emit nothing if
2077 description->query_units_num is zero. Remove extra blank line.
2078 (output_cpu_unit_reservation_p): Short circuit
2079 if description->query_units_num is zero.
2081 2006-01-22 Zack Weinberg <zackw@panix.com>
2083 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
2084 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
2085 nor any of the random handful of variables that used to be necessary
2086 when this program was linked with rtlanal.o. Prune set of forward
2087 function declarations.
2088 (struct attr_desc): Remove static_p field.
2089 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
2090 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
2091 (attr_string): Do not read the character one past the length of
2093 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
2094 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
2095 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
2096 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
2097 (make_automaton_attrs): New.
2098 (main): Do not call into genautomata. Call local gen_bypass
2099 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
2100 Remove special case for insn_alts.
2101 * genautomata.c: Include gensupport.h; not genattrtab.h nor
2102 varray.h (leftover from previous change). Prune set of forward
2103 function declarations. Remove state_alts fields from all
2104 structures. Remove state_alts_table from struct automaton.
2105 Make everything except main static. Do not maintain num_dfa_decls.
2106 Do not maintain state_alts fields of various structures.
2107 (process_decls): Don't validate condexp for dm_insn_reserv decls.
2108 (add_arc): Remove state_alts argument. All callers updated.
2109 (output_reserved_units_table): Emit #ifdef here...
2110 (output_tables): ...not here. Don't generate state_alts tables.
2111 (expand_automata): Don't generate attributes.
2112 (write_automata): Don't generate state_alts functions.
2113 (main): New function.
2114 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
2115 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
2116 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
2117 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
2118 (BYPASS_P_FUNC_NAME, output_state_alts_table)
2119 (output_automata_list_state_alts_code, output_internal_state_alts_func)
2120 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
2121 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
2123 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
2124 * genattrtab.h: Delete file.
2125 * Makefile.in (OBJS-common): Add insn-automata.o.
2126 (insn-automata.o): New rule.
2127 (simple_generated_c): Add insn-automata.c.
2128 (build/genattrtab.o, build/genautomata.o): Update dependencies.
2129 (genprogmd): Add automata.
2130 (build/genattrtab): Needs no extra objects nor libraries.
2131 (build/genautomata): Needs build/vec.o and -lm.
2133 2006-01-22 Zack Weinberg <zackw@panix.com>
2135 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
2136 (output_dfa_max_issue_rate, locked_states_num): Delete.
2137 (struct automaton): Add locked_states field.
2138 (output_dead_lock_vect): Save number of locked states in
2139 automaton->locked_states. If it is zero, don't print anything.
2140 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
2141 (output_internal_dead_lock_func): Only test the dead_lock_vect
2142 for automata that have locked states.
2143 (output_statistics): Always print the number of locked states for
2144 each automaton. Calculate total number of locked states here.
2145 (write_automata): Don't call output_dfa_max_issue_rate.
2146 * genattrtab.c: Define length_unit_log as a const variable.
2147 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
2148 max_insn_queue_index const.
2149 * final.c (length_unit_log): Declare const.
2150 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
2152 2006-01-22 Zack Weinberg <zackw@panix.com>
2154 * genautomata.c: Include vec.h, not varray.h.
2155 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
2156 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
2157 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
2158 VEC_* macros operating on appropriately typed vectors, or to
2159 malloced arrays when the size is known in advance. Const-ify
2160 many char* variables and function arguments. No functional changes.
2161 * Makefile.in (build/varray.o): Delete rule.
2162 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
2163 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
2165 2006-01-22 Zack Weinberg <zackw@panix.com>
2167 * gensupport.c: Define get_insn_name and record_insn_name here.
2168 (read_md_rtx): Call record_insn_name as appropriate.
2169 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2170 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2171 * genpreds.c, genrecog.c: Don't define get_insn_name nor
2173 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
2174 (BUILD_VARRAY): Delete.
2175 (genprognormal): Rename genprogmd. Fold in all programs from
2176 genprognoprint; also attrtab.
2177 (build/genattrtab): Just mention genautomata.o and varray.o.
2178 Reorganize a bit, add comments to make the categories clearer.
2180 2006-01-22 Zack Weinberg <zackw@panix.com>
2182 * genconditions.c (condition_table, add_condition): Delete.
2183 (write_conditions): Don't emit n_insn_conditions nor
2184 insn_elision_unavailable. Issue the gcc version #ifdef here,
2185 inside the table, with no #else clause ...
2186 (write_header): ...not here.
2187 (write_writer): New function.
2188 (main): Don't initialize condition_table. Use add_c_test.
2190 * gensupport.c (init_md_reader_args_cb): Handle multiple input
2191 files on the command line.
2192 (maybe_eval_c_test): Don't check insn_elision_unavailable.
2193 Return -1 if there is no entry in the table, don't abort.
2194 (add_c_test, traverse_c_tests): New functions.
2195 * gensupport.h (insn_elision_unavailable, insn_conditions)
2196 (n_insn_conditions): Delete declarations.
2197 (add_c_test, traverse_c_tests): Declare.
2198 * read-rtl.c: Include gensupport.h.
2199 (read_conditions): New function.
2200 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
2201 (read_rtx_1): If we get EOF when we were looking for an initial
2202 open paren, return 0. Call read_conditions when appropriate.
2203 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
2204 dummy-conditions.o. Eliminate references to insn-conditions.o,
2205 or change them to build/gencondmd.o, as appropriate. Remove
2206 insn-constants.h from $(simple_generated_h) and insn-conditions.c
2207 from $(simple_generated_c). For all files remaining in those
2208 two lists, add insn-conditions.md to the generator command line.
2209 Give insn-constants.h/s-constants their own rules. Add rules
2210 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
2211 (build/read-rtl.o): Depend on gensupport.h.
2212 (genprognormal): Include preds.
2213 (genprogearly): Rename genprognoprint; only difference is now that
2214 they don't link with $(BUILD_PRINT).
2215 * dummy-conditions.c: Delete.
2217 2006-01-22 Zack Weinberg <zackw@panix.com>
2219 * genextract.c: Don't include insn-config.h. Do include vec.h.
2220 Declare vectors of int, char, and locstr.
2221 (locstr): New typedef.
2222 (struct extraction): Make all array fields into bare pointers.
2223 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
2224 (insn_code_number): Delete.
2225 (accum_extract): New struct.
2226 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
2227 (gen_insn): Take insn_code_number as an argument. Use an
2228 accum_extract structure instead of loading data directly into
2229 a struct extraction, and having to know how big it might get.
2230 (walk_rtx): Operate entirely on an accum_extract structure.
2231 (print_path): Avoid unnecessary use of printf.
2232 (print_header): New function, split out of main. Distinguish
2233 more carefully between an unrecognizable insn and an insn that
2234 has the code number of a define_expand.
2235 (main): Pass insn_code_number to gen_insn. Call print_header
2236 only after parsing. Avoid unnecessary use of printf.
2237 * Makefile.in (build/vec.o): New rule.
2238 (build/genextract): Depend on build/vec.o.
2239 (build/genextract.o): Don't depend on insn-config.h.
2241 2006-01-22 Zack Weinberg <zackw@panix.com>
2243 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
2244 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
2245 practical. Eliminate per-generator-program link rules.
2247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
2250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2251 with a call expr to ...
2252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2254 2006-01-23 Richard Guenther <rguenther@suse.de>
2256 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
2257 before make_edge with conditional EDGE_TRUE_VALUE.
2259 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
2260 Jan Hubicka <jh@suse.cz>
2261 Richard Guenther <rguenther@suse.de>
2263 PR rtl-optimization/25654
2264 * cfgexpand.c (aggregate_contains_union_type): New function.
2265 (add_alias_set_conflicts): Call it. Make sure to add conflicts
2266 for structure variables that contain a union type.
2268 2006-01-23 Richard Sandiford <richard@codesourcery.com>
2270 * gengtype.c (new_structure): Return the structure.
2271 (create_option): Add an extra "next" argument.
2272 (create_field): New function.
2273 (adjust_field_rtx_def): Use create_option and create_field.
2274 Remove a now-unnecessary call to find_structure.
2275 (adjust_field_tree_def): Likewise.
2276 (note_yacc_type): Remove an unnecessary call to find_structure.
2277 * gengtype.h (new_structure): Return the structure.
2278 (create_option): Add an extra argument.
2279 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2280 (option): Adjust calls to create_option.
2282 2006-01-22 David Edelsohn <edelsohn@gnu.org>
2284 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2286 2006-01-22 Paul Brook <paul@codesourcery.com>
2287 Peter Barada <peter@the-baradas.com>
2289 * config/m68k/m68k.md: Add Coldfire FPU support.
2290 Define FP mode macro and associated attributes.
2291 Use it for float mode patterns.
2292 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2293 (LIBCALL_VALUE): Use m68k_libcall_value.
2294 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2295 (m68k_function_value): Ditto.
2296 (emit_move_sequence): Ditto.
2297 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2298 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2299 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2300 (MULTILIB_EXCEPTIONS): Ditto.
2301 * config/m68k/m68k.opt: Add mcfv4e.
2302 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2303 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2304 (m68k_output_function_prologue): Save ColdFire FPU registers.
2305 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2306 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2307 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2308 ColdFire FPU registers.
2309 (m68k_libcall_value, m68k_function_value): New functions.
2310 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2311 (LIBCALL_VALUE): Use m68k_libcall_value.
2312 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2313 (MASK_COLDFIRE): Add MASK_CFV4E.
2314 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2315 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2316 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2317 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2318 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2319 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2320 * doc/invoke.tex: Document -mcfv4e on m68k.
2322 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2324 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2327 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2330 * c-opts.c (c_common_handle_option): Don't include
2331 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2332 * doc/invoke.texi (C++ Dialect Options): Document that
2333 -Wnon-virtual-dtor is no longer included in -Wall.
2335 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2337 * gcov.c (print_version), gcov-dump.c (print_version),
2338 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2341 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2343 * df-scan.c (problem_SCAN): Added NULL reset function.
2344 (df_scan_reset_blocks): Added code to call reset block function
2345 (df_bb_refs_delete) Fixed comment.
2346 (df_insn_refs_delete): Made tolerant of deleting non existent info
2347 for dataflow problems that need to be reset.
2348 * df-core.c (df_set_blocks): Ditto.
2349 * df.h (struct df_problem): Added reset_fun.
2350 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2351 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2352 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2353 functions to clear out all references to def-use or use-def chains.
2355 2006-01-21 Ben Elliston <bje@au.ibm.com>
2357 * varasm.c (assemble_real): Initialise data array.
2359 2006-01-20 Paul Brook <paul@codesourcery.com>
2361 Merge from csl-arm-branch.
2362 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2363 * config/arm/arm.md (movdi): Force operands[1] to a register
2364 if we have a non-register source.
2365 (*arm_movdi, *movdf_soft_insn): Require that one of the
2366 operands be a register.
2367 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2368 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2370 2006-01-20 DJ Delorie <dj@redhat.com>
2372 * varasm.c (initialize_constant_valid_p): Allow pointers
2373 initialized from integer constants of lesser precision.
2374 (output_constant): Allow non-int-sized pointer modes to be
2375 initialized from integer constants.
2377 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2380 * cppdefault.h (struct default_include): Add multilib flag.
2381 * cppdefault.c (cpp_include_defaults): Set it.
2382 * c.opt (-imultilib): New option.
2383 * c-opts.c (imultilib): New.
2384 (c_common_handle_option): Handle -imultilib.
2385 (c_common_post_options): Likewise.
2386 * c-incpath.c (add_standard_paths, register_include_chains):
2388 * c-incpath.h (register_include_chains): Add extra parameter.
2389 * gcc.c (do_spec_1): Generate -imultilib option.
2390 (The Specs Language): Update %I description.
2391 (process_command): Update copyright notice.
2392 * doc/cppopts.texi (-imultilib): Document.
2393 * doc/invoke.texi (-imultilib): Include in option summary.
2394 (%I): Update specs documentation.
2396 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2398 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2400 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2402 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2405 2006-01-20 Richard Guenther <rguenther@suse.de>
2406 Steven Bosscher <stevenb.gcc@gmail.com>
2408 PR rtl-optimization/24626
2409 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2410 EDGE_TRUE_VALUE if in RTL mode.
2413 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2414 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2416 2006-01-20 Dirk Mueller <dmueller@suse.com>
2419 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2420 instead of a special NOP marker.
2421 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2422 NOP marker handling.
2423 * c-common.h (empty_body_warning): Add forward declaration.
2424 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2425 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2427 2006-01-20 Paul Brook <paul@codesourcery.com>
2429 * Makefile.in (lang_checks): Keep going if mkdir fails.
2431 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2433 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2434 be able to clean out basic block when not necessary.
2435 (df_scan_free): Fixed to properly delete information if df is
2436 unused before calling df_finish.
2437 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2438 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2440 (df_bb_refs_delete): New function.
2441 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2442 * df-core.c (df_set_blocks): Added code to properly clean out
2443 unused blocks if they are not part of the blocks to consider.
2444 Added additional null check.
2445 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2446 be able to clean out basic block when not necessary
2447 * df.h (df_free_bb_function): Ditto.
2448 (df_bb_refs_delete): New function.
2449 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2450 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2451 basic block parameter to be able to clean out basic block when not
2453 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2454 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2455 Fixed to properly delete information if df is unused before
2458 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2460 PR rtl-optimization/25799
2461 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2462 Corrected confluence operator to remove bits from op2 before oring
2463 with op1 rather than removing bits from op1.
2464 (df_ru_transfer_function): Corrected test on wrong bitmap which
2465 caused infinite loop. Both of these problems were introduced in
2466 the dataflow rewrite.
2468 2006-01-19 DJ Delorie <dj@redhat.com>
2470 * reload1.c (find_reload_regs): Note the details of reload
2471 failures in the dump file.
2472 (spill_failure): Likewise.
2474 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2476 * loop-iv.c: Include df.h and hashtab.h.
2477 (enum iv_grd_result): New enum.
2478 (DF_REF_IV, DF_REF_IV_SET): New macros.
2479 (struct biv_entry): New.
2480 (df, bivs): New global variables.
2481 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2482 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2484 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2485 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2486 analyzed_for_bivness_p, record_biv): New functions.
2487 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2488 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2489 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2491 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2493 (iv_number_of_iterations): Use new interface to iv analysis.
2494 * loop-unroll.c: Do not include varray.h.
2495 (analyze_iv_to_split_insn): Use new interface to iv
2497 * loop-unswitch.c (may_unswitch_on): Ditto.
2498 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2500 (df_bb_modify): Realloc tables to the new index.
2501 (df_find_use): New function.
2502 * df.h (df_find_use): Declare.
2503 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2505 * cfgloop.h (struct rtx_iv): Remove analysed field.
2506 (iv_get_reaching_def): Removed.
2507 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2508 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2509 (loop-iv.o): Add df.h and hashtab.h dependency.
2510 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2512 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2515 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2517 (__floatundisf, __floatundidf): Likewise.
2518 * libgcc2.h (IS_IBM_EXTENDED): Define.
2520 2006-01-19 DJ Delorie <dj@redhat.com>
2522 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2524 2006-01-19 Paul Brook <paul@codesourcery.com>
2526 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2527 as nothrow when unwinding tables are disabled.
2529 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2532 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2533 of bit-field" when in system header.
2535 2006-01-19 DJ Delorie <dj@redhat.com>
2537 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2538 the 16 bit shift limit of the m16c.
2540 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2543 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2544 * config/i386/i386.c (output_set_got): Output the label if we have one
2545 for the TARGET_DEEP_BRANCH_PREDICTION case.
2547 2006-01-19 Jan Hubicka <jh@suse.cz>
2548 H.J. Lu <hongjiu.lu@intel.com>
2549 Evandro Menezes <evandro.menezes@amd.com>
2551 * invoke.texi (generic): Document
2553 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2554 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2555 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2556 (x86_use_incdec, x86_pad_returns): New variables
2557 (TARGET_CPU_DEFAULT_generic): New constant
2558 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2559 (enum processor_type): Add generic32 and generic64.
2560 * i386.md (cpu attribute): Add generic32/generic64
2561 (movhi splitter): Behave sanely when both partial_reg_dependency and
2562 partial_reg_stall are set.
2563 (K8 splitters): Enable for generic as well.
2564 * predicates.md (incdec_operand): Use TARGET_INCDEC
2565 (aligned_operand): Avoid memory mismatch stalls.
2566 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2567 * ppro.md: Enable for generic32
2568 * i386.c (generic64_cost, generic32_cost): New.
2569 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2570 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2571 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2572 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2573 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2574 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2575 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2576 x86_accumulate_outgoing_args, x86_prologue_using_move,
2577 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2578 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2580 (x86_use_incdec, x86_pad_returns): New.
2581 (override_options): Add generic32 and generic64, translate "generic"
2582 to generic32/generic64 and "i686" to "generic32", refuse
2583 "generic32"/"generic64" as arch target.
2584 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2585 (ix86_reorg): Honor PAD_RETURNS.
2587 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2589 * tree-pretty-print.c (dump_generic_node): Handle
2590 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2591 * cgraph.c (cgraph_expand_queue): Rename from
2592 cgraph_analyze_queue. Update all users.
2593 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2594 cgraph_expand_queue.
2595 (cgraph_expand_all_functions): Likewise.
2596 (cgraph_finalize_pending_functions): Remove. Update callers.
2598 * tree.h (OMP_DIRECTIVE_P): Define.
2599 (OMP_PARALLEL_FN): Define.
2600 (OMP_PARALLEL_DATA_ARG): Define.
2601 (OMP_SECTIONS_SECTIONS): Define.
2602 * tree-pass.h (pass_expand_omp): Declare.
2603 * omp-low.c (struct omp_region): Declare.
2604 (struct omp_context): Remove fields 'parallel_type',
2605 'parallel_start_ix' and 'parallel_start_additional_args'.
2607 (struct omp_for_data): Rename from struct expand_omp_for_data.
2608 (omp_regions): New static variable.
2609 (root_omp_region): New static variable.
2610 (find_omp_clause): Make static.
2611 (is_in_combined_parallel_ctx): Remove.
2612 (is_combined_parallel): New.
2613 (extract_omp_for_data): Move earlier in the file.
2614 (workshare_safe_to_combine_p): New.
2615 (get_ws_args_for): New.
2616 (determine_parallel_type): Move earlier in the file.
2617 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2619 (omp_copy_decl): Likewise.
2620 (create_omp_child_function): Likewise.
2621 (lookup_omp_region): New.
2622 (dump_omp_region): New.
2623 (debug_omp_region): New.
2624 (debug_all_omp_regions): New.
2625 (new_omp_region): New.
2626 (scan_omp_parallel): If parallel_nesting_level > 1, the
2627 directive is nested within another parallel directive.
2628 Set OMP_PARALLEL_FN.
2629 (scan_omp_for): Do not try to handle combined parallel+for
2631 Remove FIXME comment.
2632 (scan_omp_nested): Remove.
2633 (scan_omp_1): Do not call scan_omp_nested when
2634 parallel_nesting_level is > 1.
2635 Do not change the DECL_CONTEXT of local variables found.
2636 (lookup_decl_in_outer_ctx): New.
2637 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2638 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2639 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2640 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2641 If CTX is nested, lookup VAR in the outer context when
2642 building copy assignment.
2643 (lower_send_clauses): Rename from expand_send_clauses.
2644 If CTX is nested, lookup VAR in the outer context when
2645 building copy assignments.
2646 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2647 If CTX is nested, lookup VAR in the outer context when
2648 building copy assignments.
2649 (expand_parallel_call): Rename from build_parallel_call.
2650 Handle combined parallel+workshare cases.
2651 Re-implement to emit code into the CFG.
2653 (expand_omp_parallel): Re-implement to emit code into the CFG.
2654 Call move_sese_region_to_fn to outline the sub-graph
2655 containing the parallel region.
2656 (expand_omp_for_1): Remove.
2657 (expand_omp_for_generic): Re-implement to emit code into the
2659 (expand_omp_for_static_nochunk): Likewise.
2660 (expand_omp_for_static_chunk): Likewise.
2661 (expand_omp_for): Likewise.
2662 (expand_omp_sections): Likewise.
2663 (remove_exit_barriers): New.
2664 (expand_omp_synch): New.
2666 (build_omp_regions_1): New.
2667 (build_omp_regions): New.
2668 (execute_expand_omp): New.
2669 (gate_expand_omp): New.
2670 (pass_expand_omp): Define.
2671 (lower_omp_sections): Rename from expand_omp_sections.
2672 Set OMP_SECTIONS_SECTIONS.
2673 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2674 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2675 (lower_omp_single): Rename from expand_omp_simple.
2676 (lower_omp_master): Rename from expand_omp_master.
2677 (lower_omp_ordered): Rename from expand_omp_ordered.
2678 (lower_omp_critical): Rename from expand_omp_critical.
2679 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2680 (lower_omp_for): Re-implement.
2681 (lower_omp_parallel): Re-implement.
2682 (lower_regimplify): Rename from expand_regimplify.
2683 (lower_omp_1): Rename from expand_omp_1.
2684 If there are syntax errors in the program, replace every
2685 OpenMP directive with NOP.
2686 Call lower_omp_* instead of expand_omp_*.
2687 (lower_omp): Rename from expand_omp.
2689 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2690 * tree-gimple.h (enum omp_parallel_type): Remove.
2691 (gimple_boolify): Declare extern.
2692 (find_omp_clause, determine_parallel_type): Remove.
2694 * gimple-low.c (lower_omp_directive): New.
2695 (lower_stmt): Call it.
2696 (record_vars_into): Move from ...
2697 (record_vars): ... here.
2698 Call record_vars_into with current_function_decl.
2700 * gimplify.c (struct gimplify_ctx): Remove fields
2701 combined_pre_p and combined_ctxp. Update users.
2702 (get_formal_tmp_var): Add documentation.
2703 (gimple_boolify): Make extern.
2704 (gimplify_expr_in_ctx): Remove. Update callers.
2705 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2706 will always be a BIND_EXPR.
2707 (gimplify_expr): Handle OMP_RETURN_EXPR.
2708 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2709 (OMP_PARALLEL): Add 3 operands.
2710 (OMP_SECTIONS): Add 1 operand.
2711 (OMP_RETURN_EXPR): Define.
2713 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2714 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2715 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2716 creating a circular free list.
2717 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2719 * tree-flow.h (move_sese_region_to_fn): Declare.
2720 (record_vars_into): Declare.
2721 * tree-cfg.c (make_omp_sections_edges): New.
2722 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2723 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2724 OMP_SECTIONS and OMP_SECTION.
2725 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2726 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2727 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2728 (gather_blocks_in_sese_region): New.
2729 (struct move_stmt_d): Declare.
2731 (move_block_to_fn): New.
2732 (move_sese_region_to_fn): New.
2734 * passes.c (init_optimization_passes): Schedule
2735 pass_expand_omp after pass_init_datastructures.
2737 * tree-ssa-operands.c (get_expr_operands): Handle
2738 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2739 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2741 2006-01-19 Jeff Law <law@redhat.com>
2743 * tree-vrp.c (extract_range_from_assert): Refine the result range
2744 if the variable referenced by the ASSERT_EXPR has a range and
2745 either the tentative result range or the previous range is a
2748 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2750 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2752 2006-01-19 Jan Hubicka <jh@suse.cz>
2754 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2756 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2758 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2759 (expand_compound_operation, expand_field_assignment): Fail if the
2760 bit lengths of an extract operation are out of range.
2761 (make_extraction): Compute wanted_inner_mode based on the position
2762 and length of the extraction. Make it extraction_mode for non-constant
2763 positions, and do not modify offset in that case. When generating a
2764 new MEM, use a mode that can hold the extraction while keeping correct
2765 alignment. Remove code that supported MEMs wrapped by USEs.
2766 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2768 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2770 * config/s390/s390.md ("Y", "y"): New mode attribute.
2771 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2772 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2773 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2774 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2775 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2776 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2777 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2778 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2779 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2780 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2781 "addsi3", "subsi3"): Insn patterns removed.
2782 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2783 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2784 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2785 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2786 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2787 "*sub<mode>3_cconly2"): New insn patterns.
2788 ("addsi3", "subsi3"): New expanders.
2790 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2792 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2793 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2794 existing STMT_VINFO_VECTYPE if available.
2795 (vect_mark_relevant): Add special handling for stmts that are
2796 marked as STMT_VINFO_IN_PATTERN_P.
2797 (vect_analyze_loop): Call vect_pattern_recog.
2798 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2799 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2801 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2802 (vect_recog_func_ptr): New function-pointer type.
2803 * tree-vect-patterns.c: New file.
2804 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2805 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2806 (vect_pattern_recog_1): New functions.
2807 (vect_pattern_recog_funcs): New array of function pointers.
2809 * tree-vectorizer.h (ternary_op): New enum value.
2810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2811 declaration. Revised documentation. Removed redundant dump prints.
2812 Removed redundant argument. Added support for reduction patterns.
2813 (vectorizable_reduction): Added support for reduction patterns.
2814 (vect_transform_stmt): Added support for patterns.
2816 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2817 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2818 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2819 (expand_widen_pattern_expr): New function.
2820 (init_optabs): Initialize new optabs udot_prod_optab,
2822 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2823 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2824 (expand_widen_pattern_expr): New function declaration.
2825 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2827 * tree-inline.c (estimate_num_insns_1): Added cases for new
2828 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2829 * tree-pretty-print.c (dump_generic_node): Likewise.
2830 (op_prio): Likewise.
2831 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2832 * tree-ssa-operands.c (get_expr_operands): Added case for
2834 * tree-vect-patterns.c (widened_name_p): New function.
2835 (vect_recog_dot_prod_pattern): Added function implementation.
2836 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2837 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2838 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2839 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2841 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2842 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2843 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2844 (init_optabs): Initialize new optabs widen_ssum_optab,
2846 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2847 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2848 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2849 use instead of type of def.
2850 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2851 function implementation.
2852 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2853 widen_ssumv8hi): New.
2855 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2858 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2861 * c-decl.c (add_flexible_array_elts_to_size): New function.
2862 (finish_decl): Use it.
2864 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2866 * diagnostic.h: Include options.h.
2867 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2868 dependancies for diagnostic.h.
2869 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2871 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2873 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2874 (ssa_ro_call_cache_valid): Ditto.
2875 * tree-ssa-alias.c (sort_tags_by_id): New function.
2876 (init_transitive_clobber_worklist): Ditto.
2877 (add_to_worklist): Ditto.
2878 (mark_aliases_call_clobbered): Ditto.
2879 (compute_tag_properties): Ditto.
2880 (set_initial_properties): Ditto.
2881 (compute_call_clobbered): Ditto.
2882 (compute_may_aliases): Call compute_call_clobbered and grouping.
2883 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2884 (compute_flow_insensitive_aliasing): Grouping now happens in our
2886 (setup_pointers_and_addressables): Remove clobbering related code.
2887 (add_may_alias): Ditto.
2888 (replace_may_alias): Ditto.
2889 (get_nmt_for): Ditto.
2890 (create_global_var):
2891 (is_escape_site): Return an escape_type enumeration.
2892 * tree-flow-inline.h (is_call_clobbered): Global var does not
2893 imply call clobbered.
2894 (mark_call_clobbered): Take a reason for marking this. Remove
2895 marking of globalness, and cache invalidation.
2896 (clear_call_clobbered): Remove cache invalidation code.
2897 * tree-dfa.c (dump_variable): If details is on, dump the reason
2899 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2901 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2902 (struct var_ann_d): Ditto.
2903 (enum escape_type): New.
2904 (mark_call_clobbered): Adjust prototype.
2905 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2906 are never call clobbered.
2907 Record reasons for escaping.
2908 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2909 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2910 (ssa_ro_call_cache_valid): Ditto.
2911 (clobbered_v_may_defs): Ditto.
2912 (clobbered_vuses): Ditto.
2913 (ro_call_vuses): Ditto.
2914 (clobber_stats): New.
2915 (init_ssa_operands): Zero out clobber stats.
2916 (fini_ssa_operands): Print out clobber stats.
2917 (get_call_expr_operands): Pass callee fndecl to
2919 (add_call_clobber_ops): Remove use of cache.
2920 Add use of PURE_CONST information.
2921 (add_call_read_ops): Remove use of cache.
2922 Add use of static not_read information.
2924 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2926 Introduce TLS descriptors for i386 and x86_64.
2927 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2928 (TARGET_ANY_GNU_TLS): New macro.
2929 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2930 (struct machine_function): Add tls_descriptor_call_expanded_p.
2931 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2932 (ix86_current_function_calls_tls_descriptor): Likewise.
2933 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2934 (override_options): Introduce gnu2 tls dialect.
2935 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2937 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2939 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2940 (ix86_init_machine_status): Initialize new field.
2941 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2942 (ix86_tls_module_base): New.
2943 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2944 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2945 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2946 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2947 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2948 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2949 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2950 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2951 * config/i386/predicates.md (tls_modbase_operand): New.
2952 (tp_or_register_operand): New.
2954 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2956 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2957 (look_for_address_of): Ditto.
2958 (ipa_init): Walk the function decls.
2959 (static_execute): Don't set readonly on FUNCTION_DECL's.
2961 2006-01-18 Roger Sayle <roger@eyesopen.com>
2963 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2964 for shifts where the source and destination registers are different.
2966 2006-01-18 Paul Brook <paul@codesourcery.com>
2968 Merge from csl-arm-branch.
2969 2005-03-14 Julian Brown <julian@codesourcery.com>
2970 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2971 (aeabi_llsl): Likewise.
2972 (ashrdi3): Likewise.
2973 (aeabi_lasr): Likewise.
2974 (lshrdi3): Likewise.
2975 (aeabi_llsr): Likewise.
2976 2005-03-10 Julian Brown <julian@codesourcery.com>
2977 * config.gcc: Disable shared libgcc for SymbianOS.
2978 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2980 2006-01-18 DJ Delorie <dj@redhat.com>
2982 * c-pragma.c (handle_pragma_diagnostic): New.
2983 (init_pragma): Register it.
2984 * doc/extend.texi: Document it.
2986 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2987 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2988 (diagnostic_context): Add classify_diagnostic[].
2989 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2990 as errors if they're overridden to DK_WARNING.
2991 (diagnostic_initialize): Initialize classify_diagnostic[].
2992 (diagnostic_set_kind_override): New.
2993 (diagnostic_report_diagnostic): Check for kind changes.
2994 * opts.c (common_handle_option): Take lang_mask. Update callers.
2996 * common.opt (Werror=): New.
2997 * doc/invoke.texi: Document -Werror=*
2999 2006-01-18 Jeff Law <law@redhat.com>
3001 * tree-vrp.c (test_for_singularity): Correct test for new
3002 min limit. Use operand_equal_p rather than pointer equality
3003 for testing if new min/max values are equal.
3005 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
3006 using range information until after propagation and folding.
3008 2006-01-18 Richard Henderson <rth@redhat.com>
3009 Aldy Hernandez <aldyh@redhat.com>
3010 Jakub Jelinek <jakub@redhat.com>
3011 Diego Novillo <dnovillo@redhat.com>
3013 * omp-low.c: New file.
3014 * c-omp.c: New file.
3016 2006-01-18 Richard Henderson <rth@redhat.com>
3017 Jakub Jelinek <jakub@redhat.com>
3018 Diego Novillo <dnovillo@redhat.com>
3020 * doc/invoke.texi: Document -fopenmp.
3021 * tree-dump.h (debug_function): Declare.
3022 * hooks.c (hook_bool_tree_bool_false): New function.
3023 (hook_tree_tree_null): Remove.
3024 (hook_tree_tree_tree_null): New.
3025 * hooks.h: Update to match.
3026 * tree-pretty-print.c (debug_tree_chain): New.
3027 (print_generic_expr): Handle TDF_CHAIN.
3028 (dump_generic_node): Handle BLOCK.
3029 Do not abort with incomplete SWITCH_EXPRs.
3030 Do not dump body of an OpenMP directive if TDF_SLIM is given.
3031 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
3032 print space after directive name.
3033 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
3034 Handle OMP_MASTER and OMP_ORDERED.
3035 Handle printing of OMP_BODY just in one place, goto
3036 dump_omp_body in the rest of OMP_* nodes that have
3038 Don't handle clause nodes here. Update omp statements to
3039 use dump_omp_clauses.
3040 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
3041 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
3042 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
3043 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
3044 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
3045 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
3046 Adjust output for GOMP_PARALLEL.
3047 (dump_omp_clauses): New.
3048 (print_declaration): Dump DECL_VALUE_EXPR.
3049 (op_symbol_1): Split out of op_symbol.
3050 (dumping_stmts): Remove. Update all users.
3051 * cgraph.c (cgraph_analyze_queue): New.
3052 (cgraph_add_new_function): New.
3053 * cgraph.h (cgraph_analyze_queue): Declare.
3054 (cgraph_add_new_function): Declare.
3055 (cgraph_lower_function): Remove.
3056 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
3057 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
3058 and TYPE_P nodes in its default clause.
3059 (empty_body_p): New.
3060 (tree_range_check_failed): New.
3062 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
3063 OMP_CLAUSE_REDUCTION_MERGE,
3064 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
3065 OMP_CLAUSE_PRIVATE_DEBUG,
3066 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
3067 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
3068 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
3069 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
3070 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
3071 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
3072 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
3073 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
3074 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
3075 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
3076 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
3077 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
3078 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
3079 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
3080 (TREE_RANGE_CHECK): New.
3081 (empty_body_p): Declare.
3082 (enum omp_clause_default_kind): New.
3083 (build_string_literal): Declare.
3084 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
3085 (build5_stat, build5): Declare.
3086 * tree-pass.h (TDF_CHAIN): Define.
3087 * tree-pass.h (PROP_gimple_lomp): Define.
3088 (pass_lower_omp): Declare.
3089 * diagnostic.h (debug_tree_chain): Declare.
3090 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
3092 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
3093 * builtins.c (build_string_literal): Make extern.
3094 * gcc.c (include_spec_function): New.
3095 (static_spec_functions): Add it.
3096 (main): Move load of libgomp.spec ...
3097 (LINK_COMMAND_SPEC): ... here.
3098 (link_gomp_spec): New.
3099 (static_specs): Include it.
3100 (LINK_COMMAND_SPEC): Add link_gomp.
3101 (GOMP_SELF_SPECS): New.
3102 (driver_self_specs): Include it.
3103 (switch_matches): Don't mark inline.
3104 (main): Load libgomp.spec.
3105 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
3106 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
3107 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
3108 * tree-gimple.h (enum omp_parallel): Declare.
3109 (determine_parallel_type): Declare.
3110 (omp_firstprivatize_variable): Declare.
3111 (omp_reduction_init): Declare.
3112 (diagnose_omp_structured_block_errors): Declare.
3113 (struct walk_stmt_info): Add want_return_expr.
3114 (struct walk_stmt_info): Add want_bind_expr, want_locations.
3115 (find_omp_clause): Declare.
3116 (insert_field_into_struct): Declare.
3117 (struct walk_stmt_info): Move from tree-nested.c
3118 (walk_stmts): Declare.
3119 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
3121 * cgraphunit.c (cgraph_lower_function): Make static.
3122 (cgraph_finalize_pending_functions): New.
3123 (cgraph_finalize_function): Call it.
3124 (cgraph_finalize_compilation_unit): Likewise.
3125 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
3126 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
3127 (BT_FN_UINT_UINT): New.
3128 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
3129 DEF_FUNCTION_TYPE_VAR_4): Document.
3130 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
3131 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
3132 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
3133 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
3134 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
3135 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
3136 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
3137 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
3138 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
3139 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
3140 into separate files.
3141 (DEF_GOMP_BUILTIN): New.
3142 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
3143 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
3144 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
3145 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
3146 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
3147 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
3148 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
3149 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
3150 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
3151 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
3152 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
3153 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
3154 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
3155 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
3156 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
3157 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
3158 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
3159 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
3160 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
3161 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
3162 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
3163 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
3164 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
3165 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
3166 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
3167 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
3168 * sync-builtins.def: New file, moved from builtins.def.
3169 * omp-builtins.def: New file, moved from builtins.def.
3170 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
3171 * gimple-low.c (lower_function_body): Clear data.
3172 (lower_stmt): Do not handle COMPOUND_EXPR.
3173 Remove call to print_node_brief.
3174 * c-tree.h (c_finish_omp_clauses): New prototype.
3175 (C_DECL_THREADPRIVATE_P): Define.
3176 (lookup_name_no_remap, c_omp_remap_private): Remove
3177 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
3178 (check_for_loop_decls): Update decl.
3179 (lookup_name_no_remap, c_omp_remap_private): Declare.
3180 (build_indirect_ref, build_modify_expr, pushdecl,
3181 pushdecl_top_level): Move to c-common.h.
3182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
3183 before the switch, but just in the 2 places that need it.
3184 * c-decl.c (diagnose_mismatched_decls): Do not check for
3185 mismatched thread-local attributes when OLDDECL is marked
3186 threadprivate and NEWDECL has no thread-local attributes.
3187 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
3188 (c_gimple_diagnostics_recursively): Rename from
3189 c_warn_unused_result_recursively. Invoke
3190 diagnose_omp_structured_block_errors.
3191 (check_for_loop_decls): Return a singular decl found.
3192 * langhooks.c (lhd_omp_predetermined_sharing): Return
3193 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
3194 (lhd_omp_firstprivatize_type_sizes): New.
3195 (lhd_omp_assignment): New.
3196 (lhd_omp_predetermined_sharing): New.
3197 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
3198 (struct lang_hooks_for_types): Add
3199 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
3200 omp_predetermined_sharing, omp_disregard_value_expr,
3201 omp_private_debug_clause, omp_clause_default_ctor,
3202 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
3203 (c_finish_omp_clauses): New.
3204 (c_finish_bc_stmt): Diagnose break within omp for.
3205 (c_begin_omp_parallel, c_finish_omp_parallel): New.
3206 (build_unary_op): Return error_mark after reporting
3208 (build_modify_expr): Likewise.
3209 * gimplify.c: Include optabs.h and pointer-set.h.
3210 (enum gimplify_omp_var_data): Declare.
3211 (struct gimplify_omp_ctx): Declare.
3212 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
3214 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
3215 (push_gimplify_context, pop_gimplify_context): Allow nesting.
3216 (splay_tree_compare_decl_uid): New.
3217 (new_omp_context): New.
3218 (delete_omp_context): New.
3219 (gimple_add_tmp_var): Call omp_add_variable.
3220 (gimplify_bind_expr): Likewise.
3221 (gimplify_var_or_parm_decl): If omp_notice_variable returned
3222 true, disregard DECL_VALUE_EXPR on the decl if any.
3223 (gimplify_expr_in_ctx): New.
3224 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
3225 omp_add_variable, omp_notice_variable, omp_is_private
3226 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
3227 gimplify_adjust_omp_clauses, gimplify_omp_parallel
3228 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
3229 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
3230 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
3231 gimplify_omp_atomic): New.
3232 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3233 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3234 OMP_CRITICAL and OMP_ATOMIC.
3235 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
3236 * c-pragma.h (enum pragma_kind): Add
3237 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
3238 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
3239 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
3240 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
3241 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
3242 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
3243 PRAGMA_OMP_THREADPRIVATE.
3244 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
3245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
3246 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
3247 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
3248 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
3249 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
3250 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
3251 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
3252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
3253 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
3254 * tree-ssa-dce.c (find_control_dependence): Do not assume that
3255 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
3256 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
3258 (struct nesting_info): Add field_map,
3259 suppress_expansion, debug_var_chain.
3260 (create_nesting_tree): Initialize them.
3261 (lookup_field_for_decl): Use field_map.
3262 (get_nonlocal_debug_decl, get_local_debug_decl): New.
3263 (convert_local_omp_clauses): New.
3264 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
3265 (walk_body): Split out of walk_function.
3266 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
3267 (convert_nonlocal_reference): Handle omp statements.
3268 (convert_local_reference): Likewise.
3269 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
3270 (unnest_nesting_tree): New.
3271 (lower_nested_functions): Call it.
3272 (insert_field_into_struct): Make extern.
3273 (struct walk_stmt_info): Move to tree-gimple.h.
3274 (walk_stmts): Make extern.
3275 * omp-builtins.def: New file.
3276 * tree-iterator.c (expr_only): Clarify comment.
3277 * c-common.h (pushdecl_top_level, pushdecl,
3278 build_modify_expr, build_indirect_ref,
3279 c_finish_omp_master, c_finish_omp_critical,
3280 c_finish_omp_ordered, c_finish_omp_barrier,
3281 c_finish_omp_atomic, c_finish_omp_flush,
3282 c_finish_omp_for, c_split_parallel_clauses,
3283 omp_clause_default_kind, c_omp_sharing_predetermined,
3284 c_omp_remap_decl): Declare.
3285 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3286 (OBJS-common): Add omp-low.o.
3287 (c-omp.o, omp-low.o): Add.
3288 (gimplify.o): Add dependency on $(OPTABS_H).
3289 (GTFILES): Add omp-low.c.
3290 (gt-stringpool.h): Add.
3291 * tree-cfg.c (set_bb_for_stmt): Do not update the
3292 block-to-labels map if we are currently expanding to RTL.
3293 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3295 Handle IDENTIFIER_NODE.
3296 (tree_verify_flow_info): Do not ICE when emitting error
3297 messages about invalid labels.
3298 (dump_function_to_file): Reset CFUN before emitting the body
3300 (debug_function): New.
3301 * passes.c (init_optimization_passes): Schedule
3303 * langhooks-def.h (lhd_omp_predetermined_sharing,
3304 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3306 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3307 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3308 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3309 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3310 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3311 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3312 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3313 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3314 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3315 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3316 (LANG_HOOK_DECLS): Use them.
3318 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3319 Richard Henderson <rth@redhat.com>
3320 Jakub Jelinek <jakub@redhat.com>
3321 Diego Novillo <dnovillo@redhat.com>
3323 * c-parser.c (pragma_omp_clause): Define.
3324 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3325 (c_parser_compound_statement): Likewise.
3326 (c_parser_statement): Likewise.
3327 (c_parser_pragma): Handle omp pragmas.
3328 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3329 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3330 (c_parser_omp_clause_name, check_no_duplicate_clause,
3331 c_parser_omp_variable_list,
3332 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3333 c_parser_omp_clause_copyprivate,
3334 c_parser_omp_clause_default,
3335 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3336 c_parser_omp_clause_lastprivate,
3337 c_parser_omp_clause_nowait,
3338 c_parser_omp_clause_num_threads,
3339 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3340 c_parser_omp_clause_reduction,
3341 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3342 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3343 c_parser_omp_atomic, c_parser_omp_barrier,
3344 c_parser_omp_critical, c_parser_omp_flush,
3345 c_parser_omp_for_loop, c_parser_omp_for,
3346 c_parser_omp_master, c_parser_omp_ordered,
3347 c_parser_omp_sections_scope, c_parser_omp_sections,
3348 c_parser_omp_parallel, c_parser_omp_single,
3349 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3350 * c-pragma.c (init_pragma): Do omp pragma registration here.
3351 * c.opt (fopenmp): New flag.
3353 2006-01-18 Eric Christopher <echristo@apple.com>
3355 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3356 * config/darwin.h (GOMP_SELF_SPECS): Define.
3358 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3360 * rtl.h: Remove the prototype for reg_alloc.
3362 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3365 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3366 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3367 sjlj and dwarf2 exception handling.
3368 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3369 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3370 * pa/pa.c (function_value): Treat complex and vector types as
3372 (function_arg): Likewise. Only pass scalar floats in the floating
3373 point argument registers.
3374 * pa/t-slibgcc-dwarf-ver: New file.
3375 * pa/t-slibgcc-sjlj-ver: New file.
3376 * pa/t-slibgcc-elf-ver: Delete file.
3378 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3380 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3381 unlikely_test_section_p test.
3383 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3385 * mode-switching.c (optimize_mode_switching): Make it static.
3386 * basic-block.h: Remove the prototype for
3387 optimize_mode_switching.
3389 * modulo-sched.c (sms_schedule): Make it static.
3390 * rtl.h: Remove the prototype for sms_schedule.
3392 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3393 * rtl.h: Remove the prototype for gcse_after_reload_main.
3395 * reg-stack.c (reg_to_stack): Make it static.
3396 * rtl.h: Remove the prototype for reg_to_stack.
3398 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3400 * rtl.h: Remove the prototypes for regrename_optimize and
3401 copyprop_hardreg_forward.
3403 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3405 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3406 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3407 Test against the appropriate null constant for the mode.
3408 If 'fixup_overlap' is true, swap the operands if they overlap.
3409 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3410 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3411 alpha_split_tmode_pair and adjust for above change.
3412 * config/alpha/alpha.md (movtf_internal): Adjust call to
3413 alpha_split_tfmode_pair and rely on it to swap the operands.
3414 (movti_internal): New insn and post-reload splitter.
3415 (movti): New expander.
3417 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3419 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3424 * rtlanal.c (global_reg_mentioned_p_1,
3425 global_reg_mentioned_p): Remove.
3426 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3428 * flow.c (initialize_uninitialized_subregs): Make it static.
3429 * rtl.h: Remove the prototype for
3430 initialize_uninitialized_subregs.
3432 * function.c (instantiate_virtual_regs): Make it static.
3433 * function.h: Remove the prototype for
3434 instantiate_virtual_regs.
3436 * regmove.c (regmove_optimize, combine_stack_adjustments):
3438 * rtl.h: Remove the prototypes for regmove_optimize and
3439 combine_stack_adjustments.
3441 2006-01-17 Roger Sayle <roger@eyesopen.com>
3443 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3444 (size_cost): Encode costs in bytes so that a reg-reg addition is
3445 equivalent to COSTS_N_INSNS(1).
3446 (override_options): Use the size_cost.branch_cost as the default
3447 ix86_branch_cost when optimizing for size.
3449 2006-01-18 Ben Elliston <bje@au.ibm.com>
3451 * Makefile.in (D32PBIT_FUNCS): New.
3452 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3453 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3454 D64PBIT_FUNCS and D128PBIT_FUNCS.
3455 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3456 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3458 (decnumber_dep): Define.
3459 * doc/libgcc.texi (Decimal float library routines): New node.
3460 * config/dfp-bit.h, config/dfp-bit.c: New files.
3462 2006-01-18 Ben Elliston <bje@au.ibm.com>
3464 * expr.c (emit_move_change_mode): Always adjust addresses, not
3465 just during reload. Copy replacements only during reload.
3466 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3467 emit_move_via_integer.
3469 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3471 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3472 instead of $(srcdir) and ${srcdir}.
3474 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3478 * arm.h (struct machine_function): Add pic_reg.
3479 * arm.c (arm_pic_register): Make unsigned.
3480 (arm_override_options): Only set arm_pic_register if
3481 TARGET_SINGLE_PIC_BASE.
3482 (use_return_insn): Only test for a pic register if it is fixed.
3483 (arm_compute_save_reg0_reg12_mask): Likewise.
3484 (thumb_compute_save_reg_mask): Likewise.
3485 (legitimate_pic_operand): Factor out some known invariants.
3486 (legitimize_pic_address): If we don't have a fixed pic register,
3487 then set up a pseudo in the function entry sequence. Handle the
3488 pic base being in a pseudo.
3489 (arm_load_pic_register): Handle the pic register being in a pseudo.
3490 (arm_expand_prologue): Only set up the pic register if it is fixed.
3491 (thumb_expand_prologue): Likewise.
3492 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3493 (pic_load_addr_based_insn): Likewise.
3494 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3497 2006-01-18 Ben Elliston <bje@au.ibm.com>
3499 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3500 decimal float modes for all floating point registers.
3502 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3503 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3505 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3508 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3509 even when the pointer is not NULL.
3511 2006-01-16 Ian Lance Taylor <ian@airs.com>
3513 * common.opt (ftoplevel-reorder): New option.
3514 * cgraph.c (cgraph_asm_nodes): New global variable.
3515 (cgraph_asm_last_node): New static variable.
3516 (cgraph_order): New global variable.
3517 (cgraph_create_node): Set new order field.
3518 (cgraph_varpool_node): Likewise.
3519 (decide_is_variable_needed): Return true if not
3520 flag_toplevel_reorder.
3521 (cgraph_add_asm_node): New function.
3522 * cgraph.h (struct cgraph_node): Add order field.
3523 (struct cgraph_varpool_node): Add order field.
3524 (struct cgraph_asm_node): Define.
3525 (cgraph_asm_nodes, cgraph_order): Declare.
3526 (cgraph_add_asm_node): Declare.
3527 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3529 (cgraph_varpool_assemble_pending_decls): Call it.
3530 (cgraph_output_pending_asms): New static function.
3531 (cgraph_finalize_compilation_unit): Call it.
3532 (struct cgraph_order_sort): Define.
3533 (cgraph_output_in_order): New static function.
3534 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3535 !flag_toplevel_reorder case.
3536 * c-parser.c: Include "cgraph.h".
3537 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3539 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3540 than -fno-unit-at-a-time.
3541 * doc/invoke.texi (Option Summary): Mention
3542 -fno-toplevel-reorder.
3543 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3544 -funit-at-a-time documentation.
3546 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3547 Kazu Hirata <kazu@codesourcery.com>
3549 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3551 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3553 * Makefile.in (FUNCTION_H): New. Use it instead of
3554 function.h throughout the file.
3555 * function.h: Include tree.h.
3557 2006-01-17 Ben Elliston <bje@au.ibm.com>
3559 * recog.c: Separate some functions with whitespace.
3561 2006-01-16 Richard Henderson <rth@redhat.com>
3563 Merge from gomp branch:
3564 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3565 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3566 and rename from struct inline_data. Rename callee* to dst*;
3567 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3568 transform_new_cfg, transform_return_to_modify, and
3569 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3571 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3572 (copy_decl_for_dup): Remove.
3573 * tree-inline.c (struct inline_data): Move to header.
3574 (insert_decl_map): Export.
3575 (remap_decl): Update for member name changes. Use copy_decl hook.
3576 Allow for replacement to be a non-decl. Remove dead code.
3577 (remap_type_1): Check for existing mapping.
3578 (remap_type): Export.
3579 (remap_decls): Update for member name changes.
3580 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3581 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3582 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3583 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3584 (tree_function_versioning, build_duplicate_type): Likewise.
3585 (copy_body_r): Likewise. Export.
3586 (copy_decl_for_dup): Split into ...
3587 (copy_decl_for_dup_finish, copy_decl_to_var,
3588 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3589 (replace_ref_tree, inlining_p): Remove.
3591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3593 * ifcvt.c (if_convert): Make it static.
3594 * rtl.h: Remove the prototype for if_convert.
3596 * local-alloc.c (local_alloc): Make it static.
3597 * rtl.h: Remove the prototype for local_alloc.
3599 * loop.c (loop_optimize): Make it static.
3600 * cfgloop.h: Remove the prototype for loop_optimize.
3603 2006-01-16 DJ Delorie <dj@redhat.com>
3605 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3608 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3610 * pa.md: Disparage copies between general and floating-point registers
3611 in 32-bit move patterns.
3613 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3616 * Makefile.in (check-%): Depend on site.exp instead of
3617 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3622 * global.c (global_alloc): Make it static.
3623 * rtl.h: Remove the prototype for global_alloc.
3625 2006-01-16 Richard Guenther <rguenther@suse.de>
3627 * tree-ssa-alias.c (struct used_part): Add write_only field.
3628 (get_or_create_used_part_for): Initialize it to true.
3629 (create_overlap_variables_for): Don't create structure variables
3630 for structures that only are written to.
3631 (find_used_portions): Handle MODIFY_EXPR to track whether a
3632 structure is only written to.
3634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3636 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3638 * basic-block.h: Remove the prototype for
3639 partition_hot_cold_basic_blocks.
3641 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
3643 * cppspec.c (lang_specific_spec_functions): Remove.
3644 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3645 * gcc.h (lang_specific_spec_functions): Remove.
3646 * gccspec.c (lang_specific_spec_functions): Remove.
3648 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3650 * combine.c (record_value_for_reg): Invalidate registers
3652 (record_dead_and_set_regs_1): Likewise, by passing them to
3653 record_value_for_reg.
3654 (record_dead_and_set_regs): Invalidate stores made by a
3655 call. We do not combine across a call, but we still
3656 relied on equivalences.
3658 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3660 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3661 vrp_int_const_binop returning non-constant nodes.
3663 2006-01-16 Paul Brook <paul@codesourcery.com>
3665 * config/m68k/m68k.c (output_move_const_into_data_reg):
3666 Output correct mnemonic for mvz and mvs.
3668 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3670 * rtl-factoring.c: Add sequence abstraction algorithm.
3671 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3672 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3674 (block_has_preserve_label): New function.
3675 * common.opt: Register new pass.
3676 * Makefile.in: Ditto.
3678 * timevar.def: Ditto.
3679 * tree-pass.h: Ditto.
3680 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3681 * rtl.h (make_jump_insn_raw): Add forward decl.
3682 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3684 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3685 Roger Sayle <roger@eyesopen.com>
3687 * fold-const.c (fold_minmax): New static function.
3688 (fold_binary) <MIN_EXPR>: Call it.
3689 <MAX_EXPR>: Likewise.
3690 * stor-layout.c (place_field): Use DECL_SIZE consistently
3691 in the computation of the new record size.
3693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3695 * cse.c (cse_condition_code_reg): Make it static.
3696 * rtl.h: Remove the prototype for cse_condition_code_reg.
3698 * combine.c (combine_instructions): Make it static.
3699 * rtl.h: Remove the prototype for combine_instructions.
3701 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3704 * tree.c (get_file_function_name_long): Concatenate the first global
3705 object name with a string derived from the input filename of the object
3708 2006-01-16 Ben Elliston <bje@au.ibm.com>
3710 * config/i386/winnt-stubs.c: Update FSF address.
3711 * config/xtensa/ieee754-df.S: Ditto.
3712 * config/xtensa/ieee754-sf.S: Ditto.
3714 2006-01-14 Ian Lance Taylor <ian@airs.com>
3716 * ifcvt.c (noce_init_if_info): New static function, broken out of
3717 noce_process_if_block.
3718 (noce_process_if_block): Call noce_init_if_info.
3719 (check_cond_move_block): New static function.
3720 (cond_move_process_if_block): New static function.
3721 (process_if_block): Call cond_move_process_if_block.
3723 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3725 * cselib.c (hash_table): Rename to cselib_hash_table.
3726 (cselib_clear_table, discard_useless_values,
3727 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3728 cselib_init, cselib_finish): Adjust uses of hash_table.
3730 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3732 PR tree-optimization/25485
3733 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3734 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3735 is known to be false and true, respectively.
3737 2006-01-14 Richard Guenther <rguenther@suse.de>
3739 PR tree-optimization/22548
3740 PR tree-optimization/22555
3741 PR tree-optimization/22501
3742 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3743 * params.def (salias-max-array-elements): New parameter.
3744 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3745 * doc/invoke.texi (salias-max-array-elements): Document.
3746 * tree-flow-inline.h (var_can_have_subvars): We also handle
3748 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3750 * tree-ssa-structalias.c (params.h): Include.
3751 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3752 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3753 (get_constraint_for): For ADDR_EXPR operating on something
3754 containing an ARRAY_REF, add all subvars to the solution.
3755 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3756 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3757 for creating MUST_DEFs.
3758 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3760 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3762 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3764 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3765 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3766 number_of_iterations_le): New functions.
3767 (number_of_iterations_special): Removed.
3768 (number_of_iterations_exit): Do not use number_of_iterations_special.
3769 * tree.c (unsigned_type_for): Always return integer type.
3771 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3772 Richard Guenther <rguenther@suse.de>
3774 PR rtl-optimization/24257
3775 * gcse.c (find_moveable_store): Only consider a store movable
3776 when the SET_SRC of the insn can be assigned to a register.
3778 2006-01-14 Ian Lance Taylor <ian@airs.com>
3780 * tree.c (tree_not_class_check_failed): New function.
3781 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3782 (tree_not_class_check_failed): Declare.
3784 2006-01-13 Ian Lance Taylor <ian@airs.com>
3786 * reload1.c (do_output_reload): Add assertion rejecting a
3789 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3791 * combine.c (struct reg_stat): Add new fields truncation_label and
3793 (record_value_for_reg): Reset truncated_to_mode.
3794 (record_truncated_value): New function.
3795 (check_promoted_subreg): Call it. Rename to check_conversions.
3796 (combine_instructions): Rename check_promoted_subreg to
3798 (reg_truncated_to_mode): New function.
3799 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3800 (gen_lowpart_or_truncate): New function.
3801 (force_to_mode): Use it instead of gen_lowpart.
3803 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3805 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3806 VAR is a tag, not its type tag.
3808 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3810 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3811 alternatives to match style of other entries.
3812 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3814 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3816 PR tree-optimization/25771
3817 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3820 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3823 * tree-inline.c (declare_return_variable): If the return variable
3824 was marked as a non gimple complex, set the return slot variable
3825 to be a non gimple comple variable.
3827 2006-01-13 Richard Guenther <rguenther@suse.de>
3829 * builtins.c (expand_builtin_sincos): New function.
3830 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3832 (expand_builtin): Expand sincos using expand_builtin_sincos.
3834 2006-01-12 DJ Delorie <dj@redhat.com>
3836 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3837 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3838 so that constant shifts can be split.
3839 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3840 (m32c_valid_pointer_mode): Make static.
3841 (shift_gen_func_for): New.
3842 (m32c_prepare_shift): Use it. Split large const shifts into
3844 * config/m32c/predicates.md (shiftcount_operand): Allow more
3846 (longshiftcount_operand): New.
3847 * doc/md.texi (Machine Constraints): Document In6.
3849 2006-01-13 Ben Elliston <bje@au.ibm.com>
3851 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3852 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3855 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3857 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3858 to try to avoid clobbering pieces of structures when we know
3859 something about the whole structure.
3860 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3862 2006-01-13 Ben Elliston <bje@au.ibm.com>
3864 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3865 return in memory, as this is no limitation is no longer present.
3867 2006-01-12 DJ Delorie <dj@redhat.com>
3869 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3870 mova with fb, and for fb+0 -> An.
3872 * config/m32c/mov.md (peephole2): Fix enabling logic.
3874 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3875 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3876 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3877 FINI_ARRAY_SECTION_ASM_OP): Define.
3879 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3881 (m32c_legitimize_reload_address): New logic to reload FB to An.
3882 (m32c_output_reg_push): Add newline.
3883 (m32c_output_reg_pop): Likewise.
3885 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3887 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3889 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3891 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3893 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3895 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3898 2006-01-11 Ben Elliston <bje@au.ibm.com>
3900 * rtlanal.c (find_reg_note): Assert insn is not null.
3902 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3904 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3907 2006-01-11 Jeff Law <law@redhat.com>
3909 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3911 (mark_threaded_blocks, register_jump_thread): New functions.
3912 (thread_through_all_blocks): Remove unwanted argument. No
3913 longer rely on e->aux to communicate thread target info.
3914 Call mark_threaded_blocks. Release the threaded_blocks
3915 bitmap and threaded_edges vector when complete.
3916 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3917 (threaded_blocks): Remove.
3918 (tree_ssa_dominator_optimize): Remove initialization and
3919 finalization of threaded_blocks. Simplify call to
3920 thread_through_all_blocks.
3921 (thread_across_edge): Call register_jump_thread rather than
3922 storing thread information into e->aux.
3923 (free_all_edge_infos): Simplify now that e->aux is no longer
3924 used to communicate with thread_through_all_blocks.
3925 * tree-flow.h (thread_through_all_blocks): Update prototype.
3926 (register_jump_thread): Prototype.
3928 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3930 * df-core.c (df_compact_blocks, df_bb_replace): Use
3931 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3933 2006-01-11 Richard Guenther <rguenther@suse.de>
3935 PR tree-optimization/25734
3936 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3937 stop propagation after successful propagation to the LHS.
3939 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3941 * basic-block.h (control_flow_graph): Change the type of
3942 x_basic_block_info to VEC(basic_block,gc) *.
3943 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3945 (SET_BASIC_BLOCK): New.
3946 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3947 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3948 * cfgbuild.c (find_basic_blocks): Likewise.
3949 * cfglayout.c (fixup_reorder_chain): Likewise.
3950 * cfgrtl.c (create_basic_block_structure,
3951 rtl_create_basic_block): Likewise.
3952 * ifcvt.c (find_if_case_1): Likewise.
3953 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3956 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3958 * Makefile.in: Removed rotted odf.c entry.
3960 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3963 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3964 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3965 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3966 output pattern modifier, not %e.
3967 * config/cris/cris.c (cris_op_str): Update comment about pattern
3969 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3970 before falling through into...
3971 <case 'E'>: Redefined from old 'e' case.
3973 2006-01-11 Jan Hubicka <jh@suse.cz>
3976 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3978 2006-01-11 Jan Hubicka <jh@suse.cz>
3980 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3981 * i386.c (x86_decompose_lea): Kill.
3982 (ix86_rtx_costs): Kill.
3984 2006-01-11 Jan Hubicka <jh@suse.cz>
3986 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3987 * cgraph.h (cgraph_node): Add inline_decl.
3988 (cgraph_insert_node_to_hashtable): Declare.
3989 (save_inline_function_body): Declare.
3990 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3992 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3993 (cgraph_function_versioning): Update call of tree_function_versioning.
3994 (save_inline_function_body): New function.
3995 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3996 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3997 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3998 (cgraph_default_inline_p): Likewise.
3999 (cgraph_decide_inlining_incrementally): Likewise.
4000 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
4001 (copy_bb): Kill saving; do updating of clones.
4002 (copy_cfg_body): Kill saving.
4003 (initialize_inlined-parameters): Likewise.
4004 (expand_call_inline): Likewise.
4006 (tree_function_versioning): New parameter "update_clones".
4007 (inlining_p): Kill saving.
4008 * tree-inline.h (tree_function_versioning): Update prototype.
4009 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
4012 2006-01-11 Ian Lance Taylor <ian@airs.com>
4014 * combine.c (struct undo): Remove is_int. Enumify types of undos.
4015 Allow undoing set of machine mode.
4016 (do_SUBST): Use enums instead of is_int.
4017 (do_SUBST_MODE): New function.
4018 (SUBST_MODE): New macro.
4019 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
4020 reg and trying to replace reg_regno_rtx with a new register.
4021 (undo_all): Use new enums, handle undoing a PUT_MODE change.
4022 (simplify_set): Use SUBST_MODE.
4023 (distribute_notes): Remove code that tried to update reg notes
4024 for regno_reg_rtx changes.
4026 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
4028 PR tree-optimization/23109
4029 PR tree-optimization/23948
4030 PR tree-optimization/24123
4032 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
4033 * tree-cfg.c (single_noncomplex_succ): New.
4034 * tree-flow.h (single_noncomplex_succ): Declare it.
4035 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4036 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
4037 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
4038 insert_bb, register_division_in, insert_reciprocals,
4039 replace_reciprocal, free_bb): New.
4040 (execute_cse_reciprocals_1): Rewritten.
4041 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
4042 Do not commit any edge insertion. Always compute dominators and
4043 create the allocation pool.
4044 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
4045 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
4046 * targhooks.c (default_min_divistions_for_recip_mul): New.
4047 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
4048 * passes.c (init_optimization_passes): Run recip after tree loop
4050 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
4052 2006-01-11 Danny Berlin <dberlin@dberlin.org>
4053 Kenneth Zadeck <zadeck@naturalbridge.com>
4055 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
4056 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
4057 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
4058 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
4059 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
4060 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
4061 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
4062 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
4063 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
4064 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
4065 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
4066 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
4067 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
4068 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
4069 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
4070 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
4071 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
4072 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
4073 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
4074 DF_SCAN_POST_ALLOC): New macros.
4075 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
4076 df_free_bb_function, df_local_compute_function, df_init_function,
4077 df_dataflow_function, df_confluence_function_0,
4078 df_confluence_function_n, df_transfer_function,
4079 df_finalizer_function, df_free_function, df_dump_problem_function,
4080 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
4081 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
4082 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
4083 df_urec_bb_info, ) New types.
4084 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
4086 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
4087 df_analyze_simple_change_some_blocks,
4088 df_analyze_simple_change_one_block, df_compact_blocks,
4089 df_bb_replace, df_bb_regno_last_use_find,
4090 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
4091 df_insn_regno_def_p, df_find_def, df_find_use,
4092 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
4093 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
4094 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
4095 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
4096 debug_df_chain, df_get_dependent_problem, df_chain_create,
4097 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
4098 df_grow_bb_info, df_chain_dump, df_print_bb_index,
4099 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
4100 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
4101 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
4102 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
4103 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
4104 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
4105 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
4106 df_ref_remove, df_insn_refs_delete, df_refs_delete,
4107 df_reorganize_refs, df_set_state, df_hard_reg_init,
4108 df_read_modify_subreg_p) New public functions.
4109 * df-core.c: The core dataflow solver and glue routines for rtl
4111 (df_init, df_add_problem, df_set_blocks, df_finish,
4112 df_hybrid_search_forward, df_hybrid_search_backward,
4113 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
4114 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
4115 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
4116 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
4117 df_reg_defined, df_find_use, df_reg_used, df_dump,
4118 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
4119 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
4120 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
4121 debug_df_useno, reset_df_after_reload): New functions.
4122 * df-scan.c: The scanning fuctions, once in df.c, completely
4123 rewritten so that they now fully model the functionality of
4124 register usage at the backend.
4125 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
4126 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
4127 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
4128 df_grow_insn_info, df_rescan_blocks, df_ref_create,
4129 df_get_artificial_defs, df_get_artificial_uses,
4130 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
4131 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
4132 df_refs_delete, df_reorganize_refs, df_set_state,
4133 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
4134 df_def_record_1, df_defs_record, df_uses_record,
4135 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
4136 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
4137 df_record_exit_block_uses, df_hard_reg_init): New functions.
4139 * df-problems.c: Seven concrete dataflow problems that use the
4140 scanning in df-scan.c and are solved by the engine in df-core.c.
4141 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
4142 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
4143 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
4144 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
4145 df_ru_free_bb_info, df_ru_alloc,
4146 df_ru_bb_local_compute_process_def,
4147 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
4148 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
4149 df_ru_transfer_function, df_ru_free, df_ru_dump,
4150 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
4151 df_rd_free_bb_info, df_rd_alloc,
4152 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
4153 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
4154 df_rd_transfer_function, df_rd_free, df_rd_dump,
4155 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
4156 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
4157 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
4158 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
4159 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
4160 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
4161 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
4162 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
4163 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
4164 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
4165 df_urec_mark_reg_change, df_urec_check_earlyclobber,
4166 df_urec_mark_reg_use_for_earlyclobber,
4167 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
4168 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
4169 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
4170 df_urec_dump, df_urec_add_problem, df_chain_alloc,
4171 df_chain_create_bb_process_use, df_chain_create_bb,
4172 df_chain_finalize, df_chain_free, df_chains_dump,
4173 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
4174 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
4175 df_reg_lifetime): New functions.
4176 * df.c: Deleted file.
4177 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
4178 consistent with new df api.
4179 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
4180 rest_of_handle_sms): Ditto.
4181 * web.c (unionfind_union, union_defs, entry_register, web_main):
4183 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
4184 invariant_expr_equal_p, find_defs, check_dependencies,
4185 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
4186 free_inv_motion_data, move_loop_invariants): Ditto.
4187 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
4188 Update dependencies.
4189 (odf.c): Added defective entry that was deleted later in day.
4190 * sched-deps.c (sched_analyze_1): Ditto.
4192 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
4194 * tree-ssa-operands.c (get_expr_operands): Record addressable
4195 variables directly. Do not call add_stmt_operands for CONST_DECLs
4197 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
4198 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
4200 2006-01-11 Ben Elliston <bje@au.ibm.com>
4202 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
4203 function returns true in the positive case.
4205 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4208 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
4209 for SI, DI, SF and DF modes. Add alternatives to copy between
4210 general and floating point registers to the 32-bit patterns.
4211 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
4212 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
4213 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
4214 generating 64-bit code.
4215 * config/pa/pa.c (output_move_double): Handle copies between general
4216 and floating registers.
4218 2006-01-10 Stuart Hastings <stuart@apple.com>
4220 * config/i386/i386.md (set_got): Update.
4221 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
4222 (builtin_setjmp_receiver): Mach-O support.
4223 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
4224 (GOT_SYMBOL_NAME): Define.
4225 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4226 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
4227 * config/i386/i386.c (override_options): Revise for Darwin.
4228 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
4229 support. (darwin_x86_file_end): New. (output_set_got): Add label
4230 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
4231 * config/i386/i386-protos.h (output_set_got): Likewise.
4232 * config/darwin.c (machopic_legitimize_pic_address): Update
4235 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
4237 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
4238 when MODE isn't BLKmode.
4240 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4242 PR rtl-optimization/25367
4243 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
4245 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
4248 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
4249 for a negative bound.
4251 2006-01-10 Richard Guenther <rguenther@suse.de>
4253 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4254 Never override with anything constraint.
4256 2006-01-10 Jan Beulich <jbeulich@novell.com>
4258 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
4259 256 bits when optimize_size.
4261 2006-01-10 Jan Beulich <jbeulich@novell.com>
4263 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
4265 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
4266 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
4269 2006-01-10 Ben Elliston <bje@au.ibm.com>
4271 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
4273 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
4274 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4275 (USE_FP_FOR_ARG): Reject decimal float modes.
4276 (function_arg_advance): Likewise.
4277 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4278 (rs6000_handle_altivec_attribute): Do not permit decimal floating
4279 point types in AltiVec vectors.
4280 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4281 (rs6000_libcall_value): Likewise.
4283 2006-01-09 Bob Wilson <bob.wilson@acm.org>
4285 * config/xtensa/ieee754-df.S: New file.
4286 * config/xtensa/ieee754-sf.S: New file.
4287 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4288 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4289 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4291 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
4293 * config/sh/predicates.md (binary_float_operator,
4294 binary_logical_operator, commutative_float_operator,
4295 equality_comparison_operator, greater_comparison_operator,
4296 less_comparison_operator, logical_operator,
4297 noncommutative_float_operator, shift_operator,
4298 symbol_ref_operand, unary_float_operator): Remove redundant
4301 2006-01-09 Jeff Law <law@redhat.com>
4303 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4304 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
4305 now unused arguments. Callers updated.
4306 (eliminate_redundant_computations): Remove now unused arguments,
4308 (local_fold): Remove, no longer used.
4309 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4311 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4312 (simplify_cond): New function.
4313 (forward_propagate_into_cond): Call simplify_cond.
4315 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4317 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4318 (*vec_extractv2di_1_sse): New.
4320 2006-01-09 Ben Elliston <bje@au.ibm.com>
4322 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4324 2006-01-08 Richard Guenther <rguenther@suse.de>
4326 * tree-ssa-structalias.c (get_constraint_for): Remove
4328 (get_constraint_for_component_ref): Likewise.
4329 (do_deref): Likewise.
4330 (get_constraint_for): Likewise.
4331 (do_structure_copy): Likewise.
4332 (handle_ptr_arith): Likewise.
4333 (find_func_aliases): Likewise. Remove unused need_anyoffset
4336 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4337 Kaz Kojima <kkojima@gcc.gnu.org>
4339 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4340 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4341 (EXTRA_CONSTRAINT_C16): Remove.
4342 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4343 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4344 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4345 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4346 constants of SHmedia. Handle nested constant expressions of
4348 (andcosts): Fix the costs for SHmedia constants.
4349 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4350 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4351 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4352 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4353 (movv4hi_i, movv2si_i): Likewise.
4354 (movsi_const): Adjust the second operand of ior so to match with
4356 (movdi_const, movdi_const_32bit): Likewise.
4357 (movdi_const_16bit+1): Don't sign-extend LOW.
4358 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4360 (*double_shori): Fix the split condition. Use GEN_INT instead
4361 of get_int_mode calls. Mask lower 16-bit of the argument of
4363 (sym2GOTPLT): Remove.
4364 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4366 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4367 instead of EXTRA_CONSTRAINT_C16.
4369 2006-01-07 Ian Lance Taylor <ian@airs.com>
4370 David Edelsohn <edelsohn@gnu.org>
4372 PR rtl-optimization/25662
4373 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4374 for constant operands instead of simplify_gen_binary.
4375 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4376 after trying simplify_binary_operation
4378 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4380 * tree.c (iterative_hash_expr): Hash decls based on UID.
4382 2006-01-06 Eric Christopher <echristo@apple.com>
4384 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4385 (TARGET_UNWIND_EMIT): Fix spelling.
4386 * target.h (gcc_target): Add except_table_label.
4387 * except.c (output_function_exception_table): Use.
4388 * varasm.c (default_emit_except_table_label): New.
4389 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4391 (asm_out): Add here.
4392 * output.h (default_emit_except_table_label): Prototype.
4393 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4394 * config/darwin.c (darwin_emit_except_table_label): Define.
4395 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4397 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4399 PR tree-optimization/18527
4400 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4401 number_of_iterations_special, number_of_iterations_exit):
4402 Move base and step of an iv to a single structure. Add
4403 no_overflow flag, and use it in # of iterations analysis.
4404 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4405 folded_casts argument.
4406 (simple_iv): Pass base and step in a structure. Set no_overflow
4408 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4409 Evaluate expensiveness of computing # of iterations instead of
4410 the final expression.
4411 * tree-scalar-evolution.h (affine_iv): New structure.
4412 (simple_iv): Declaration changed.
4413 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4414 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4415 find_givs_in_stmt): Changed due to simple_iv change.
4417 2006-01-06 Jeff Law <law@redhat.com>
4420 * tree-cfg.c (bsi_replace): Rename final argument from
4421 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4422 change (stmt -> orig_stmt).
4423 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4424 (bsi_remove): Add new argument. Remove EH information
4426 (verify_eh_throw_table_statements): New function.
4427 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4429 * tree-optimize.c (execute_free_cfg_annotations): Verify
4430 the EH throw statement table after removing annotations.
4431 * except.h (verify_eh_throw_table_statements): Prototype.
4432 * tree-flow.h (bsi_remove): Update prototype.
4433 * tree-vrp.c (remove_range_assertions): Add new argument to
4435 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4436 * tree-complex.c (expand_complex_div_wide): Likewise.
4437 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4438 * tree-tailcall.c (eliminate_tailcall): Likewise.
4439 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4440 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4441 * tree-nrv.c (tree_nrv): Likewise.
4442 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4443 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4444 (combine_blocks): Likewise.
4445 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4446 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4447 (cleanup_control_flow): Likewise.
4448 (remove_forwarder_block): Likewise.
4449 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4450 * tree-sra.c (sra_replace): Likewise.
4451 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4452 (forward_propagate_single_use_vars): Likewise.
4453 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4454 * tree-inline.c (expand_call_inline): Likewise.
4455 * tree-vect-transform.c (vect_transform_loop): Likewise.
4456 * tree-outof-ssa.c (rewrite_trees): Likewise.
4457 * tree-cfg.c (make_goto_expr_edges): Likewise.
4458 (cleanup_dead_labels): Likewise.
4459 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4460 (bsi_move_before, bsi_move_after): Likewise.
4461 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4462 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4464 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4467 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4469 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4470 on non gimple variables. Also add checks at the top for decls and
4472 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4474 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4475 and IMAGPART_EXPR for creating MUST_DEFs.
4476 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4477 and NAME_MEMORY_TAG separately from the DECLs.
4479 2006-01-06 Richard Guenther <rguenther@suse.de>
4481 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4482 annotation, if necessary.
4483 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4484 redundant calls to update_stmt.
4485 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4488 2006-01-05 Richard Henderson <rth@redhat.com>
4490 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4492 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4494 * c-typeck.c: Update copyright date.
4496 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4498 * c-typeck.c (build_c_cast): Always warn when casting
4499 from a pointer to an integer of different size, even if
4500 the node was constant.
4502 2006-01-05 Richard Guenther <rguenther@suse.de>
4504 PR tree-optimization/22555
4505 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4506 if one structure field is an array.
4507 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4508 operands even if we found a subvar, but ignore VOPs in this
4510 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4512 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4514 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4517 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4519 2006-01-05 Richard Guenther <rguenther@suse.de>
4520 Diego Novillo <dnovillo@redhat.com>
4522 * tree-pass.h (TODO_remove_unused_locals): Define.
4523 * gimple-low.c (expand_var_p, remove_useless_vars,
4524 pass_remove_useless_vars): Remove. Update all users.
4525 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4526 (remove_unused_locals): New function.
4527 * tree-flow.h (remove_unused_locals): Declare.
4528 * passes.c (execute_todo): Call remove_unused_locals if
4529 TODO_remove_unused_locals is set.
4530 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4531 * tree-ssa-dce.c (pass_dce): Likewise.
4532 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4534 2006-01-05 Richard Guenther <rguenther@suse.de>
4536 * tree-flow.h (struct fieldoff): Decompose field to
4537 type, size and decl.
4538 * tree-ssa-alias.c (create_sft): Take type as parameter.
4539 (create_overlap_variables_for): Store type, size and decl
4540 in the fieldoff structure.
4541 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4543 (push_fields_onto_fieldstack): Likewise.
4544 (create_variable_info_for): Likewise. Use offset for the
4545 SFT name if the decl is not available.
4547 2006-01-04 Paul Brook <paul@codesourcery.com>
4549 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4551 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4553 * lambda-code.c (can_put_in_inner_loop): Relax
4555 (can_put_after_inner_loop): New function.
4556 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4557 (perfect_nestify): Change to make copies and modify uses.
4559 2006-01-04 Richard Henderson <rth@redhat.com>
4561 Merge from gomp branch:
4562 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4563 via integer constant.
4564 (pragma_lex): Remove.
4565 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4566 rather than parsing it.
4567 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4568 handle_pragma_extern_prefix): Add %< %> quotes.
4569 (registered_pragmas): New.
4570 (c_register_pragma_1): New.
4571 (c_register_pragma): Use it.
4572 (c_register_pragma_with_expansion): Likewise.
4573 (c_invoke_pragma_handler): New.
4574 (init_pragma): Use cpp_register_deferred_pragma directly for
4576 * c-pragma.h (enum pragma_kind): New.
4577 (pragma_handler): New.
4578 (c_invoke_pragma_handler): Declare.
4579 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4581 * c-common.h (c_common_pch_pragma): Update decl.
4582 * Makefile.in (c-parser.o): Update dependencies.
4583 (GTFILES): Add c-pragma.h.
4584 * c-parser.c (struct c_token): Add pragma_kind.
4585 (struct c_parser): Add in_pragma.
4586 (c_lex_one_token): Always initialize keyword and pragma_kind.
4587 Extract data for CPP_PRAGMA.
4588 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4589 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4590 Don't allow CPP_PRAGMA_EOL if in_pragma.
4591 (c_parser_consume_pragma): New.
4592 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4593 (c_parser_skip_to_end_of_parameter): Likewise.
4594 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4595 (c_parser_skip_to_pragma_eol): New.
4596 (c_parser_external_declaration): Handle CPP_PRAGMA.
4597 (c_parser_compound_statement_nostart): Likewise.
4598 (c_parser_statement_after_labels): Likewise.
4599 (c_parser_pragma): New.
4600 (pragma_lex): Likewise.
4601 (c_parser_pragma_pch_preprocess): New.
4602 (c_parser_new): Merge into ...
4603 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4605 2006-01-04 Jeff Law <law@redhat.com>
4608 * tree-cfg.c (bsi_replace): Remove the original statement
4609 from the EH throw statement table.
4611 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4613 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4614 make the prototype extern "C" and add throw ().
4617 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4618 and pos non-negative and pos + len <= 32.
4619 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4620 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4621 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4624 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4625 as well as sizes not multiple of component size.
4628 * function.c (instantiate_expr): New function.
4629 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4630 walk its DECL_VALUE_EXPR with instantiate_expr.
4632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4633 DW_OP_deref{,_size} if address isn't going to be added.
4635 2006-01-04 Ben Elliston <bje@au.ibm.com>
4637 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4638 * config/fp-bit.c: Likewise.
4640 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4642 * dominance.c: Add comment about why we use DFS numbering
4645 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4646 Richard Henderson <rth@redhat.com>
4648 Merge from gomp-branch:
4649 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4650 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4652 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4654 PR rtl-optimization/25578
4655 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4656 pass a parameter to simplify_shift_const if changing ASHIFTRT
4659 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4661 * builtins.c (get_builtin_sync_mem): New function.
4662 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4663 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4664 Call get_builtin_sync_mem to generate mem rtx.
4666 2006-01-03 Richard Guenther <rguenther@suse.de>
4669 * stmt.c (add_case_node): Make sure to clear overflow flags
4672 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4674 Merge from gomp-branch.
4675 * config/sparc/sync.md: New file.
4676 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4677 UNSPECV_LDSTUB): New constants.
4678 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4679 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4680 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4683 2006-01-03 Roger Sayle <roger@eyesopen.com>
4685 * combine.c (reg_subword_p): New predicate to test whether the
4686 destination of a set refers to a subword/piece of a register.
4687 (try_combine): Generalize the code to merge the setting of a
4688 pseudo to a constant followed by a set of a subword of that
4689 register to a constant.
4691 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4693 * basic-block.h (control_flow_graph): Change the type of
4694 x_label_to_block_map to VEC(basic_block,gc) *.
4695 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4696 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4698 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4699 VEC(basic_block,heap) *.
4700 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4701 ssa_prop_fini): Adjust the uses of cfg_blocks.
4703 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4705 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4707 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4708 hashing trees instead of a pointer hash.
4709 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4710 compare for MEM_EXPR.
4712 PR rtl-optimization/25130
4713 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4714 when comparing MEMs for GCSE
4716 2006-01-03 Ben Elliston <bje@au.ibm.com>
4718 * targhooks.h (default_decimal_float_supported_p): Declare.
4719 * targhooks.c (default_decimal_float_supported_p): Define.
4720 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4721 `default_decimal_float_supported_p'.
4722 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4724 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4726 * combine.c (apply_distributive_law <SUBREG>): Check
4727 TRULY_NOOP_TRUNCATION.
4729 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4731 * dwarf2out.c (have_switched_text_section): Delete.
4732 (have_multiple_function_sections): New.
4733 (have_location_lists): Make 'bool'.
4734 (add_AT_loc_list): Use 'true' not '1'.
4735 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4736 (output_loc_list): Use have_multiple_function_sections.
4737 (output_ranges): Likewise.
4738 (dwarf2out_begin_function): Set have_multiple_function_sections if
4740 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4741 Check function_section rather than DECL_SECTION_NAME.
4742 (dwarf2out_finish): Use have_multiple_function_sections.
4743 Don't clear have_location_lists.
4745 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4746 Jan Hubicka <jh@suse.cz>
4748 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4749 case of conditional jump jumping to the next instruction.
4750 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4751 cases of conditional jump jumping to the next instruction.
4753 2006-01-02 Jan Hubicka <jh@suse.cz>
4755 * i386.c (*_cost): Add COSTS_N_INSNS.
4756 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4758 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4761 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4763 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4765 * config/arm/arm.c (all_fpus): Fix comment typo.
4766 * config/darwin.c: Likewise.
4767 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4768 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4769 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4771 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4773 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4774 (rs6000_split_compare_and_swapqhi): New.
4775 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4776 (sync_compare_and_swapqhi_internal): New.
4777 * config/rs6000/rs6000-protos.h: Declare.