1 2006-03-02 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-alias.c (find_used_portions): Consider taking
4 the address as making the variable not write-only.
6 2006-03-02 Nick Clifton <nickc@redhat.com>
8 * config.gcc (default_use_cxa_atexit): Extend the description of
9 this configure variable. Set its default value to "yes" for
10 Linux, NetBSD and ELF targets on the assumption that they will
11 use C libraries with the __cxa_atexit function.
13 2006-03-02 Ben Elliston <bje@au.ibm.com>
15 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
16 parameter as unused to suppress a build warning.
18 2006-03-02 Ben Elliston <bje@au.ibm.com>
20 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
23 2006-03-01 Roger Sayle <roger@eyesopen.com>
26 * gthr-posix.h (__gthrw2): Define to take three parameters, the
27 declared name, the weak reference name, and the typeof name.
28 (__gthrw): Avoid expanding the declared name suffix.
29 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
31 2006-03-01 Jakub Jelinek <jakub@redhat.com>
33 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
35 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
36 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
37 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
38 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
39 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
40 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
41 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
42 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
43 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
44 DW_DS_leading_separate, DW_DS_trailing_separate): New.
45 (DW_END_default, DW_END_big, DW_END_little): New.
46 (DW_END_lo_user, DW_END_hi_user): Define.
47 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
48 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
49 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
52 2006-03-01 Diego Novillo <dnovillo@redhat.com>
54 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
56 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
58 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
60 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
62 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
65 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
68 2006-03-01 Roger Sayle <roger@eyesopen.com>
70 * builtins.c (fold_builtin_copysign): Delete unreachable code.
72 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
75 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
76 MACHO_DYNAMIC_NO_PIC_P.
77 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
79 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
82 * config/darwin-protos.h (darwin_asm_output_anchor):
84 * config/darwin-sections.def (cstring_section):
85 Add SECTION_MERGE to the flags.
86 (literal4_section): Likewise.
87 (literal8_section): Likewise.
88 (objc_selector_refs_section): Likewise.
89 (objc_cls_refs_section): Likewise.
90 * config/darwin.c (darwin_asm_output_anchor): New
92 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
94 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
96 Fix PR tree-optimization/26443
97 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
98 to todo and PROP_tmt_usage to properties_destroyed.
99 * tree-ssa-ccp.c (pass_ccp): Ditto.
100 (pass_store_ccp): Ditto.
101 * tree-ssa-dom.c (pass_dominator): Ditto.
103 2006-03-01 Diego Novillo <dnovillo@redhat.com>
105 * tree-ssa-operands.c: Cleanup whitespace.
106 (get_asm_expr_operands): Move before first invocation.
107 (get_indirect_ref_operands): Likewise.
108 (get_tmr_operands): Likewise.
109 (get_call_expr_operands): Likewise.
110 (append_def): Likewise.
111 (append_use): Likewise.
112 (append_v_may_def): Likewise.
113 (append_v_must_def): Likewise.
114 (add_call_clobber_ops): Likewise.
115 (add_call_read_ops): Likewise.
116 (add_stmt_operand): Likewise.
117 (add_virtual_operand): Likewise.
118 (build_ssa_operands): Likewise.
120 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
125 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
126 with a call expr to ...
127 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
129 2006-03-01 Diego Novillo <dnovillo@redhat.com>
131 * tree-vrp.c (extract_range_from_assert): Remove special
132 handling for types with super-types.
134 2006-03-01 Ben Elliston <bje@au.ibm.com>
136 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
137 and powerpc64-*-linux* configurations.
138 * config/t-dfprules: New file.
140 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
141 Compile dfp-bit.c from the source directory using -DWIDTH and
142 $DFP_CFLAGS to control the compilation of that file, rather than
143 generating width-specific versions in the build directory.
144 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
145 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
147 2006-02-28 Zack Weinberg <zackw@panix.com>
149 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
152 2006-02-28 Eric Christopher <echristo@apple.com>
154 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
155 Set up IN_LIBGCC definition of TARGET_64BIT.
156 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
158 2006-02-28 Roger Sayle <roger@eyesopen.com>
161 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
162 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
163 cases via the construction of "expr != 0".
165 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
167 * alias.c (alias_invariant, alias_invariant_size): Remove.
168 (record_base_value): Remove.
169 (memrefs_conflict_p): Don't look at alias_invariant.
170 (end_alias_analysis): Don't free it.
171 * alias.h (record_base_value): Remove prototype.
173 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
174 Adam Nemet <anemet@caviumnetworks.com>
176 * rtl.h (truncated_to_mode): Declare it.
177 (struct rtl_hooks): Add reg_truncated_to_mode hook.
178 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
179 (RTL_HOOKS_INITIALIZER): Include it.
180 * rtlhooks.c (reg_truncated_to_mode_general): New function.
181 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
182 reg_truncated_to_mode.
183 * rtlanal.c (truncated_to_mode): Define it.
184 * simplify-rtx.c (simplify_unary_operation_1): Use it.
186 2006-02-28 Jeff Law <law@redhat.com>
188 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
189 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
190 the range allowed by TYPE_PRECISION.
192 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
194 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
196 PR tree-optimization/26419
197 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
200 2006-02-27 Zack Weinberg <zackw@panix.com>
202 * doc/md.texi: Fix typo in previous change.
204 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
208 2006-02-27 Zack Weinberg <zackw@panix.com>
210 * rtl.def (define_constraint, define_register_constraint)
211 (define_memory_constraint, define_address_constraint): New MD forms.
212 * gensupport.c (process_rtx): Put define_constraint etc on the
214 * genpreds.c (process_define_predicate): Adjust comment. Validate
215 the name, and call validate_exp to validate the expression.
216 (mark_mode_tests, write_extract_subexp): Can assume correct input.
217 (write_predicate_expr): Likewise. NAME argument no longer necessary;
219 (validate_exp, needs_variable, struct constraint_data)
220 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
221 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
222 (const_dbl_constraints, constraint_max_namelen)
223 (have_register_constraints, have_memory_constraints)
224 (have_address_constraints, have_address_constraints)
225 (have_extra_constraints, have_const_int_constraints)
226 (have_const_dbl_constraints, mangle, add_constraint)
227 (process_define_constraint, process_define_register_constraint)
228 (write_enum_constraint_num, write_lookup_constraint)
229 (write_insn_constraint_len, write_regclass_for_constraint)
230 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
231 (write_insn_extra_memory_constraint)
232 (write_insn_extra_address_constraint)
233 (write_satisfies_constraint_fns): New.
234 (write_tm_preds_h): If we have new-style constraint definitions,
235 prototype the functions generated from them, and define the
236 old constraint interface (still used by generic code) in terms of
238 (write_insn_preds_c): If we have new-style constraint definitions,
239 generate all relevant functions from those definitions.
240 (main): Handle define_constraint etc.
241 * genoutput.c (struct constraint_data, indep_constraints)
242 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
243 (mdep_constraint_len): New data structures and functions, defined
244 #ifdef USE_MD_CONSTRAINTS.
245 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
246 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
247 use new logic to validate operand constraints against constraint
249 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
251 * defaults.h: If none of the old-style constraint macros are
252 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
253 old-style macros; and poison REG_CLASS_FROM_LETTER,
254 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
256 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
257 * doc/md.texi: Document new constraint-definition mechanism and the
258 C interface it provides. Remove references to old mechanism
259 elsewhere in the document.
260 (Machine Constraints): Use pathnames relative to gcc directory,
261 i.e. config/ARCH/FILE. Change i386 section to refer to
262 config/i386/predicates.md; update that section to match docstrings.
263 * doc/tm.texi: Move all documentation of the old constraint-
264 definition macros to their own section, clearly mark as obsolete.
266 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
267 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
269 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
270 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
271 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
273 (splits and peepholes): Use satisfies_constraint_*.
274 * config/i386/i386.c (memory_address_length)
275 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
277 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
279 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
280 scalar operation to be put back into the loop.
282 2006-02-27 Jakub Jelinek <jakub@redhat.com>
285 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
286 (extract_cie_info): Handle S flag in augmentation string.
287 (execute_cfa_program): If context->signal_frame, execute also
288 fs->pc == context->ra instructions.
289 (uw_frame_state_for): If context->signal_frame, don't subtract one
290 from context->ra to find FDE.
291 (uw_update_context_1): Set context->signal_frame to
293 (_Unwind_GetIPInfo): New function.
294 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
295 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
297 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
298 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
299 * unwind-compat.c (_Unwind_GetIPInfo): New function.
300 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
301 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
302 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
303 * config/i386/linux-unwind.h (x86_fallback_frame_state,
304 x86_64_fallback_frame_state): Set fs->signal_frame.
305 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
306 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
307 (frob_update_context): Likewise. Workaround missing S flag in
308 Linux 2.6.12 - 2.6.16 kernel vDSOs.
309 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
310 Remove the psw_addr + 1 hack.
312 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
314 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
315 with aggregates here.
316 (find_func_aliases): Remove code for &<aggregate> from here.
318 2006-02-26 Roger Sayle <roger@eyesopen.com>
320 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
321 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
322 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
325 2006-02-26 Roger Sayle <roger@eyesopen.com>
328 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
330 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
332 * opts.c (decode_options): Do not handle flag_strength_reduce.
333 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
334 and OPT_fstrength_reduce.
335 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
336 flag_prefetch_loop_arrays for being nonzero.
337 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
339 (fprefetch-loop-arrays-rtl): Removed.
340 (flag_prefetch_loop_arrays): Do not specify the value.
342 * doc/passes.texi: Update documentation of loop optimizer
344 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
345 -frerun-loop-opt): Remove.
347 2006-02-26 Richard Guenther <rguenther@suse.de>
349 PR tree-optimization/26421
350 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
351 in function calls that are ADDR_EXPRs as using the whole structure.
353 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
355 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
356 * tree-pass.h (pass_loop_optimize): Remove.
357 * passes.c (pass_loop_optimize): Never run it.
358 * toplev.c (backend_init): Don't call init_loop.
359 * opts.c (flag_loop_optimize_set): Remove.
360 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
361 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
362 the old RTL loop optimizer when profiling enabled.
363 * predict.c (tree_estimate_probability): Always strip builtin_expect.
364 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
365 pre-headers for the sake of the old RTL loop optimizer.
366 * Makefile.in: Remove all references to loop.o.
368 * doc/invoke.texi: Remove all references to -floop-optimize
369 and -frerun-loop-opt.
371 2006-02-26 Zack Weinberg <zackw@panix.com>
373 * doc/md.texi (Machine Constraints): Refer to all files with paths
374 relative to gcc directory (i.e. config/CPU/file). Add missing
375 @table @code ... @end table to M32C subsection.
377 2006-02-26 Roger Sayle <roger@eyesopen.com>
379 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
381 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
383 2006-02-26 Roger Sayle <roger@eyesopen.com>
384 James A. Morrison <phython@gcc.gnu.org>
387 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
388 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
389 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
390 signedness of the shift operation.
392 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
394 PR tree-optimization/26359
395 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
397 2006-02-25 Roger Sayle <roger@eyesopen.com>
399 * simplify-rtx.c (simplify_relational_operation_1): Simplify
400 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
401 as X == 0, and some symmetry related transformations.
402 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
404 2006-02-25 Roger Sayle <roger@eyesopen.com>
407 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
408 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
409 symmetry related transformations. Fold (X^C1) == C2 as
412 2006-02-25 Juergen Weigert <jw@suse.de>
413 Richard Guenther <rguenther@suse.de>
415 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
417 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
419 * combine.c (gen_lowpart_or_truncate): Call
420 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
422 2006-02-24 Diego Novillo <dnovillo@redhat.com>
424 * doc/invoke.texi: Move -fopenmp description to "Options for
426 Remove reference to -lgomp.
428 2006-02-24 David Edelsohn <edelsohn@gnu.org>
430 * doc/install.texi: Require GNU tar version 1.14.
432 2006-02-24 Geoffrey Keating <geoffk@apple.com>
434 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
435 * doc/invoke.texi (C++ Dialect Options): Document
436 -fno-use-cxa-get-exception-ptr.
437 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
438 * configure: Regenerate.
439 * c.opt (fuse-cxa-get-exception-ptr): New.
440 * c-opts.c (c_common_handle_option): Handle
441 OPT_fuse_cxa_get_exception_ptr.
442 * c-common.c (flag_use_cxa_atexit): Update documentation.
443 (flag_use_cxa_get_exception_ptr): New.
444 * c-common.h (flag_use_cxa_get_exception_ptr): New.
445 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
447 (C_COMMON_OVERRIDE_OPTIONS): New.
449 2006-02-24 Roger Sayle <roger@eyesopen.com>
452 * combine.c (try_combine): Explicitly check whether GET_CODE is
453 a SET or a CLOBBER, instead on checking that it isn't a USE.
455 2006-02-24 Roger Sayle <roger@eyesopen.com>
457 * fold-const.c (fold_comparison): New subroutine of fold_binary
458 containing transformations common to both the equality and
459 ordering relational operators, factored out of fold_binary.
460 (fold_binary): Separate out the equality operators (EQ_EXPR
461 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
462 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
463 transformations common to both.
464 (fold_div_compare): Fix latent bugs in the previously unreachable
465 LT_EXPR and GE_EXPR cases.
467 2006-02-24 David Edelsohn <edelsohn@gnu.org>
469 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
470 decl libname for clog to __clog on AIX.
472 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
474 2006-02-24 Alan Modra <amodra@bigpond.net.au>
477 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
478 output traceback table for thunks. Localise rs6000_stack_info call.
480 2006-02-23 Roger Sayle <roger@eyesopen.com>
481 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
483 * gthr-posix.h (__gthrw): Fix typo in comment.
485 2006-02-23 Geoffrey Keating <geoffk@apple.com>
487 * doc/cpp.texi (Character sets): Document that we do support
488 input files to be in any character set.
490 2006-02-23 Jeff Law <law@redhat.com>
492 * tree.h (PHI_ARG_NONZERO): Remove.
493 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
494 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
495 node to the new node.
497 PR tree-optimization/26425
498 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
499 min/max, then assume its varying.
501 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
503 PR rtl-optimization/26316
504 * rtlanal.c (enum may_trap_p_flags): New.
505 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
506 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
507 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
508 (may_trap_after_code_motion_p): New function.
509 * loop-invariant.c (find_identical_invariants): Fix dump formating.
510 (find_invariant_insn): Use may_trap_after_code_motion_p.
511 * rtl.h (may_trap_after_code_motion_p): Declare.
513 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
515 * emit-rtl.c (immed_double_const): Cleanup.
517 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
519 Fix PR tree-optimization/26376
520 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
523 2006-02-23 Jakub Jelinek <jakub@redhat.com>
526 * gimplify.c (omp_add_variable): Guard variable size decl test with
527 DECL_SIZE (decl) check.
529 2006-02-23 Richard Guenther <rguenther@suse.de>
532 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
533 like aggregate types.
535 2006-02-23 Jakub Jelinek <jakub@redhat.com>
537 * configure.ac: Add --with{,out}-long-double-128 configure option.
538 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
539 * configure: Rebuilt.
540 * config.in: Rebuilt.
541 * doc/install.texi (Options specification): Document
542 --with-long-double-128.
544 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
545 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
546 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
547 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
549 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
551 * config/s390/s390.c (override_options): Handle
552 TARGET_DEFAULT_LONG_DOUBLE_128.
554 * config/alpha/alpha.c (override_options): Handle
555 TARGET_DEFAULT_LONG_DOUBLE_128.
557 * config/sparc/sparc.c (sparc_override_options): Handle
558 TARGET_DEFAULT_LONG_DOUBLE_128.
560 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
562 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
563 (real-install-headers-tar, real-install-headers-cpio)
564 (real-install-headers-cp): New targets.
566 2006-02-22 Richard Sandiford <richard@codesourcery.com>
568 * tree.h (variable_section): Delete.
569 * varasm.c (variable_section): Delete.
571 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
573 * install.texi: Add notes on install.texi2html.
574 (Building in parallel): Do not use footnotes.
576 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
579 * doc/install.texi (Configuration): Document --disable-libgomp.
581 2006-02-21 Geoffrey Keating <geoffk@apple.com>
583 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
585 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
587 * config/i386/sse.md (vec_extractv2df_1_sse): New.
588 (vec_extractv2df_0_sse): New.
590 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
592 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
593 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
594 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
595 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
596 to the result of the expression.
598 (frame_pointer_cfa_offset): Rename to...
599 (frame_pointer_fb_offset): ... this. Adjust all uses.
600 (convert_cfa_to_loc_list): Rename to...
601 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
602 Pass it on to build_cfa_loc.
603 (compute_frame_pointer_to_cfa_displacement): Rename to...
604 (compute_frame_pointer_to_fb_displacement): ... this. New
605 offset parameter. Use it in computation.
606 (gen_subprogram_die): Compute cfa_fb_offset with the new
607 macro, and use it to compute the fb loc list and the
610 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
612 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
613 replaced with register_operand.
614 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
615 non-DREG is expensive.
616 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
617 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
620 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
622 * doc/install.texi2html: Use set -e.
624 2006-02-21 Richard Sandiford <richard@codesourcery.com>
626 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
627 (ASM_OUTPUT_SHARED_LOCAL): Delete.
628 * doc/invoke.texi (-fshared-data): Delete.
629 * common.opt (fshared-data): Delete.
630 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
631 (assemble_static_space): Remove #if 0 code.
632 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
633 (ASM_OUTPUT_SHARED_LOCAL): Poison.
634 * config/cris/cris.h: Remove FIXME.
636 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
638 * doc/sourcebuild.texi (Front End Directory): No more double-colon
641 2006-02-21 Jakub Jelinek <jakub@redhat.com>
644 * combine.c (simplify_shift_const_1): Disable nested shifts
645 optimization for vector shifts.
647 2006-02-20 Roger Sayle <roger@eyesopen.com>
649 PR tree-optimization/26361
650 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
651 of unsigned integer types.
653 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
655 * tree-chrec.c (eq_evolutions_p): New.
656 * tree-chrec.h (eq_evolutions_p): Declared.
657 * tree-data-ref.c: Fix formatting.
658 (datadep_stats, dependence_stats): New.
660 (print_direction_vector): New.
661 (dump_data_dependence_relation): Use print_direction_vector.
662 (object_analysis, create_data_ref): Handle COMPONENT_REF.
663 (compute_subscript_distance): Static.
664 (initialize_data_dependence_relation): Static. Get the number
665 of loops surrounding the references from the callers, and initialize
666 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
667 base_object_differ_p analyzers.
668 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
669 compute_overlap_steps_for_affine_1_2,
670 analyze_subscript_affine_affine): Count the classified dependences.
671 Print a message when a test failed.
672 (can_use_analyze_subscript_affine_affine): New.
673 (analyze_siv_subscript): Compute the data dependences on symbolic
674 scevs that verify can_use_analyze_subscript_affine_affine.
675 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
676 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
677 Handle symbolic scevs.
678 (analyze_overlapping_iterations): Let symbolic affine scevs to be
680 (subscript_dependence_tester): Moved...
681 (build_classic_dist_vector, build_classic_dir_vector): Don't use
682 lambda_vector_clear on newly allocated vectors. Get nb_loops from
683 DDR_SIZE_VECT instead of getting it in parameter.
684 (subscript_dependence_tester): ... here. Take as a parameter
685 loop_nest_depth. Call build_classic_dist_vector and
686 build_classic_dir_vector.
687 (compute_affine_dependence): Update subscript_dependence_tester
688 parameters. Update datadep_stats counters. Call
689 compute_subscript_distance.
690 (compute_self_dependence): Save the dist and dir vectors. Call
691 compute_subscript_distance.
692 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
693 (compute_all_dependences): Reorder parameters as they were before
694 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
695 compute_subscript_distance. Update the use of
696 compute_affine_dependence and initialize_data_dependence_relation.
697 (find_data_references_in_loop): Handle COMPONENT_REF.
698 (compute_data_dependences_for_loop): Initialize dependence_stats.
699 Don't call build_classic_dist_vector and build_classic_dir_vector.
700 Update the parameters of initialize_data_dependence_relation and
701 compute_all_dependences. Print the statistics from datadep_stats.
702 (analyze_all_data_dependences): Static. Not used until the pass for
703 checking the data dependences is contributed.
704 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
705 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
706 (initialize_data_dependence_relation, compute_affine_dependence,
707 analyze_all_data_dependences, compute_subscript_distance): Removed.
708 (print_direction_vector): New.
709 * lambda.h (gcd): ... here.
710 (lambda_vector_gcd): Moved here from gcd_vector.
711 * lambda-code.c (gcd, gcd_vector): Removed.
712 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
713 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
715 2006-02-20 Diego Novillo <dnovillo@redhat.com>
717 * ipa-type-escape.c: Tidy some comments and white space.
718 * tree-ssa-operands.c: Likewise.
720 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
723 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
724 (dump_decl_name): Do not walk the decl tree chains.
725 * tree-pass.h (TDF_CHAIN): Remove.
727 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
729 * Makefile.in (C): Remove
731 (.PHONY): Remove C and PROTO
733 2006-02-20 Roger Sayle <roger@eyesopen.com>
736 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
737 deprecated CHAR_TYPE tree code.
739 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
741 * configure.ac (target_list): Add install-info, dvi, html.
742 * configure: Regenerate.
744 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
745 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
746 treelang/Make-lang.in: Do not use double-colon rules.
748 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
750 * tree.h (struct tree_memory_tag): Add is_used_alone member.
751 (TMT_USED_ALONE): New macro.
752 * tree-pass.h (PROP_tmt_usage): New property.
753 (TODO_update_tmt_usage): New todo.
754 * tree-ssa-alias.c (updating_used_alone): New variable.
755 (recalculate_used_alone): New function.
756 (compute_may_aliases): Set updating_used_alone, call
757 recalculate_used_alone.
758 * tree-sra.c (pass_sra): Note that this pass destroys
759 PROP_tmt_usage, and add TODO_update_tmt_usage.
760 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
761 * tree-flow.h (updating_used_alone): Prototype.
762 (recalculate_used_alone): Ditto.
763 * passes.c (execute_todo): Add code to set updating_used_alone,
764 and call recalculate.
765 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
766 for clobber if used alone, and add assert to verify used_alone
769 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
771 * config/s390/s390.c (legitimize_pic_address): Assertions checking
772 for non tls symbols added.
773 (legitimize_address): Do nothing for PLUS expressions if one of the
774 addends is a tls symbol reference.
776 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
780 * Makefile.in (LDFLAGS): Define from autoconf substitution.
782 * Makefile.in (BOOTSTRAPPING): New.
783 (quickstrap): New definition if BOOTSTRAPPING=yes.
785 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
786 * configure.ac: Substitute all_selected_languages with the languages
787 that were configured. For all the other variables except
788 lang_specs_files, include all the languages in the tree.
789 * configure: Regenerate.
791 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
792 if there is one. Run the commands to run fixincludes in the same
795 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
796 * doc/install.texi: Document exact conventions for searching target tools.
797 Document --with-build-time-tools. Document toplevel bootstrap. Document
798 something more about building an Ada cross-compiler. Don't list GNU Make
799 requirements which affect all platforms.
801 2006-02-19 Roger Sayle <roger@eyesopen.com>
804 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
805 only equivalent if the have both the same mode and precision.
807 2006-02-20 Ben Elliston <bje@au.ibm.com>
809 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
811 2006-02-19 Roger Sayle <roger@eyesopen.com>
812 Steven Bosscher <stevenb.gcc@gmail.com>
814 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
815 constant pool references to identify stack mode constants.
816 * rtlanal.c (constant_pool_constant_p): New predicate to check
817 whether operand is a floating point constant in the pool.
818 * rtl.h (constant_pool_constant_p): Prototype here.
819 * loop.c (scan_loop): Avoid hoisting constants from the constant
820 pool on STACK_REGS targets.
821 (load_mems): Likewise.
822 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
823 loads into x87 registers expensive in terms of register pressure.
825 2006-02-19 Roger Sayle <roger@eyesopen.com>
827 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
828 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
830 2006-02-19 David Edelsohn <edelsohn@gnu.org>
832 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
833 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
835 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
837 * doc/invoke.texi: Document -fipa-pta.
838 * common.opt: Add ipa-pta option.
839 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
840 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
841 (do_ds_constraint): Ditto.
842 (get_constraint_for): Only add to referenced_vars if
843 referenced_vars exists.
844 (insert_into_field_list): Rewrite to do this unsorted.
845 (insert_into_field_list_sorted): Rename old insert_into_field_list
847 (create_function_info_for): Use insert_into_field_list_sorted.
848 (create_variable_info_for): Rewrite so it uses unsorted version,
849 since the field list is sorted.
850 (intra_create_variable_infos): Only add to referenced_vars if
851 referenced_vars exists.
852 (ipa_pta_execute): Init heapvars, and delete when done.
853 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
855 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
857 * doc/install.texi: Add missing `@samp'.
859 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
861 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
864 2006-02-18 Mark Wielaard <mark@klomp.org>
866 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
867 who added new 4.1 features, bug fixes and integration support.
869 2006-02-18 David Edelsohn <edelsohn@gnu.org>
872 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
875 2006-02-18 Richard Sandiford <richard@codesourcery.com>
877 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
878 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
879 (copy_insn_1): Likewise. Don't copy each field individually.
881 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
883 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
884 * rtl.c (rtx_size): Rename variable to...
885 (rtx_code_size): ...this.
886 (rtx_size): New function.
887 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
888 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
890 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
891 * rtl.h (rtx_code_size): New variable.
892 (rtx_size): Change from a variable to a function.
893 (RTX_SIZE): Rename to...
894 (RTX_CODE_SIZE): ...this.
897 PR tree-optimization/17106
898 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
899 (Anchored Addresses): New section.
900 * doc/invoke.texi (-fsection-anchors): Document.
901 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
902 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
903 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
904 * hooks.c (hook_bool_mode_rtx_false): New function.
905 * hooks.h (hook_bool_mode_rtx_false): Declare.
906 * gengtype.c (create_optional_field): New function.
907 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
908 SYMBOL_REF_IN_BLOCK_P is true.
909 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
910 (min_anchor_offset, max_anchor_offset): Likewise.
911 (use_anchors_for_symbol_p): New hook.
912 * toplev.c (compile_file): Call output_object_blocks.
913 (target_supports_section_anchors_p): New function.
914 (process_options): Check that -fsection-anchors is only used on
915 targets that support it and when -funit-at-a-time is in effect.
916 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
917 if the decl doesn't have one.
918 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
919 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
920 of force_const_mem through use_anchored_address.
921 (expand_expr_constant): New function.
922 (expand_expr_addr_expr_1): Call it. Use the same modifier when
923 calling expand_expr for INDIRECT_REF.
924 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
925 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
926 * expr.h (use_anchored_address): Declare.
927 * loop-unroll.c: Don't declare rtx vectors here.
928 * explow.c: Include output.h.
929 (validize_mem): Call use_anchored_address.
930 (use_anchored_address): New function.
931 * common.opt (-fsection-anchors): New switch.
932 * varasm.c (object_block_htab, anchor_labelno): New variables.
933 (hash_section, object_block_entry_eq, object_block_entry_hash)
934 (use_object_blocks_p, get_block_for_section, create_block_symbol)
935 (use_blocks_for_decl_p, change_symbol_section): New functions.
936 (get_variable_section): New function, split out from assemble_variable.
937 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
938 use_blocks_for_decl_p say so. Use change_symbol_section if the
939 symbol has already been created.
940 (assemble_variable_contents): New function, split out from...
941 (assemble_variable): ...here. Don't output any code for
942 block symbols; just pass them to place_block_symbol.
943 Use get_variable_section and assemble_variable_contents.
944 (get_constant_alignment, get_constant_section, get_constant_size): New
945 functions, split from output_constant_def_contents.
946 (build_constant_desc): Create a block symbol if use_object_blocks_p
947 says so. Or into SYMBOL_REF_FLAGS.
948 (assemble_constant_contents): New function, split from...
949 (output_constant_def_contents): ...here. Don't output any code
950 for block symbols; just pass them to place_section_symbol.
951 Use get_constant_section and get_constant_alignment.
952 (force_const_mem): Create a block symbol if use_object_blocks_p and
953 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
954 (output_constant_pool_1): Add an explicit alignment argument.
955 Don't switch sections here.
956 (output_constant_pool): Adjust call to output_constant_pool_1.
957 Switch sections here instead. Don't output anything for block symbols;
958 just pass them to place_block_symbol.
959 (init_varasm_once): Initialize object_block_htab.
960 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
961 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
962 (place_block_symbol, get_section_anchor, output_object_block)
963 (output_object_block_htab, output_object_blocks): New functions.
964 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
965 (TARGET_ASM_OUT): Include it.
966 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
967 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
968 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
969 (TARGET_INITIALIZER): Include them.
970 * rtl.c (rtl_check_failed_block_symbol): New function.
971 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
972 (block_symbol, object_block): New structures.
973 (rtx_def): Add a block_symbol field to the union.
974 (BLOCK_SYMBOL_CHECK): New macro.
975 (rtl_check_failed_block_symbol): Declare.
976 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
977 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
978 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
979 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
980 * output.h (output_section_symbols): Declare.
981 (object_block): Name structure.
982 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
983 (default_use_anchors_for_symbol_p): Declare.
984 * Makefile.in (RTL_BASE_H): Add vec.h.
985 (explow.o): Depend on output.h.
986 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
987 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
988 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
989 (rs6000_use_blocks_for_constant_p): New function.
991 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
993 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
995 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
998 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1001 2006-02-18 Diego Novillo <dnovillo@redhat.com>
1003 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1007 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1010 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1011 instead of DECL_REGISTER.
1013 2006-02-18 Olivier Hainque <hainque@adacore.com>
1016 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1018 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1021 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1022 * opth-gen.awk: Handle Var and InverseMask together.
1023 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1024 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1025 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1026 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1028 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1029 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1030 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1031 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1032 LINUX_DYNAMIC_LINKER): Define.
1033 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1034 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1036 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1037 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1038 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1040 (TARGET_C99_FUNCTIONS): Don't define.
1041 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1042 GLIBC_DYNAMIC_LINKER.
1043 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1044 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1045 GLIBC_DYNAMIC_LINKER64): Define.
1046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1047 LINUX_DYNAMIC_LINKER64.
1048 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1049 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1050 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1051 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1052 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1053 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1054 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1055 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1056 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1058 and LINUX_DYNAMIC_LINKER32.
1059 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1061 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1063 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1065 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1066 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1067 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1068 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1069 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1070 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1071 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1072 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1073 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1074 LINUX_DYNAMIC_LINKER): Define.
1075 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1076 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1077 GLIBC_DYNAMIC_LINKER64): Define.
1078 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1079 LINUX_DYNAMIC_LINKER64.
1080 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1081 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1082 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1083 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1084 LINUX_DYNAMIC_LINKER): Define.
1085 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1086 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1087 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1088 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1089 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1090 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1091 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1092 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1093 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1094 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1096 * doc/invoke.texi (-muclibc): Remove caveat about supported
1099 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1101 * doc/cpp.texi (__TIMESTAMP__): Document.
1103 2006-02-17 Roger Sayle <roger@eyesopen.com>
1106 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1107 C is one less than the width of X (and related transformations).
1108 * simplify-rtx.c (simplify_unary_operation_1): Transform
1109 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1110 depending on STORE_FLAG_VALUE, were C is one less then the
1113 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1115 Fix PR tree-optimization/26341
1116 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1117 about NAME_MEMORY_TAG's.
1119 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1122 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1123 with hardware float support, and software float support. Add fcpy
1124 alternative to hardware patterns. Add alternatives to copy between
1125 general and floating-point registers to the 32-bit pattern.
1126 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1127 secondary reload to load a QI or HI mode constant into a floating
1129 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1130 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1132 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1135 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1137 (load_macho_picbase_di): Likewise.
1139 2006-02-16 Jeff Law <law@redhat.com>
1141 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1142 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1143 (ssa_name_nonzero_p): Likewise.
1144 (get_value_range): Return NULL if VRP is not running.
1145 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1146 VRP routines do not discover a range.
1147 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1148 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1149 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1150 (tree_expr_nonnegative_p): Similarly.
1151 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1152 (restore_nonzero_vars_to_original_value): Remove.
1153 (unsafe_associative_fp_binop): Remove.
1154 (tree_ssa_dominator_optimize): Remove initialization and
1155 finalization of nonzero_vars and nonzero_vars_stack.
1156 (dom_opt_initialize_block): No longer push marker on
1158 (dom_opt_finalize_block): No longer call
1159 restore_nonzero_vars_to_original_value.
1160 (record_equivalences_from_phis): No longer look for
1161 nonzero PHI arguments.
1162 (cprop_into_successor_phis): No longer propagate nonzero
1163 property into PHI arguments. Lose unused argument. Caller
1165 (record_equivalences_from_stmt): No longer record nonzero
1166 values for SSA_NAMEs.
1167 (lookup_avail_expr): No longer use nonzero_vars.
1169 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1170 for sizetype when sizetype is unsigned.
1172 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1174 PR rtl-optimization/25603
1175 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1176 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1177 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1178 with new meaning of SETS.
1180 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1185 * config/linux.opt: New file.
1186 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1187 LINUX_DYNAMIC_LINKER): Define.
1188 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1189 * config.gcc (*-*-linux*): Define extra_options.
1190 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1191 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1192 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1193 GLIBC_DYNAMIC_LINKER.
1194 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1195 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1196 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1197 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1198 * doc/invoke.texi (GNU/Linux Options): New section.
1200 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1202 * config/sparc/sparc.md (setjmp): Rewrite.
1203 (setjmp_32): Delete.
1204 (setjmp_64): Likewise.
1206 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1208 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1211 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1213 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1216 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1218 PR rtl-optimization/26296
1219 * Makefile.in (loop-invariant.c): Add except.h dependency.
1220 * loop-invariant.c: Include except.h.
1221 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1223 2005-02-16 Paul Brook <paul@codesourcery.com>
1225 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1228 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1230 PR rtl-optimization/25636
1231 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1232 when deciding whether an insn is an initializing insn.
1234 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1236 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1237 (tree_code_size): Ditto.
1238 * tree.h (struct tree_memory_tag): Remove parent_var.
1239 (struct tree_struct_field_tag): New.
1242 (union tree_node): Add sft member.
1243 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1245 (create_sft): Add size and offset argument, set SFT_OFFSET and
1247 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1248 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1249 * tree-flow-inline.h (get_subvar_at): Update for
1250 SFT_OFFSET/SFT_SIZE.
1251 (var_can_have_subvars): Ditto.
1252 (overlap_subvar): Ditto.
1253 * print-tree.c (print_node): Print out interesting things for
1255 * tree-flow.h (struct subvar): Remove offset and size members.
1256 * tree-ssa-operands.c (get_expr_operands): Update for
1257 get_indirect_ref_operands changes.
1258 (get_indirect_ref_operands): Call add_virtual_operand instead of
1259 add_stmt_operand. Only recurse on base var if requested.
1260 (access_can_touch_variable): New function.
1261 (add_stmt_operand): Split virtual operand handling into ...
1262 (add_virtual_operand): Here. Add offset, size, and for_clobber
1263 arguments. Prune alias sets.
1264 (add_call_clobber_ops): Call add_virtual_operand.
1266 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1269 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1271 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1272 than TREE_CODE as index into omp_clause_num_ops array.
1274 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1276 PR rtl-optimization/26184
1277 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1279 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1280 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1281 must_precede, must_follow and tobe_scheduled.
1284 * opts.c (common_handle_option): Free new_option pointer.
1285 * df-core.c (df_analyze): Free postorder pointer.
1287 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1289 * Makefile.in: Fix the examples about the use of stamps
1291 2006-02-15 Michael Matz <matz@suse.de>
1295 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1296 influenced by maximum_field_alignment or DECL_PACKED.
1297 (update_alignment_for_field): Ditto.
1298 (place_field): Ditto.
1299 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1302 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1304 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1305 (debug_flow_info): Pass it.
1306 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1307 * bb-reorder.c (reorder_basic_blocks): Likewise.
1308 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1309 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1310 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1311 * gcse.c (gcse_main, bypass_jumps): Likewise.
1312 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1313 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1314 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1315 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1316 * rtl.h (dump_flow_info): Adjust prototype.
1317 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1318 * var-tracking.c (variable_tracking_main): Likewise.
1319 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1320 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1323 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1325 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1328 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1330 PR tree-optimization/26209
1331 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1332 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1334 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1336 2006-02-14 Roger Sayle <roger@eyesopen.com>
1339 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1340 (X,Y) and the corresponding symmetry related transformations.
1341 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1342 (X,Y) and its symmetry related transformations.
1344 2006-02-14 Roger Sayle <roger@eyesopen.com>
1346 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1349 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1351 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1353 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1356 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1357 support COMDAT group.
1358 * configure: Regenerate.
1360 2006-02-14 Roger Sayle <roger@eyesopen.com>
1365 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1367 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1369 Fix PR tree-optimization/26260
1371 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1373 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1374 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1375 * tree-ssa-structalias.c (create_variable_info_for): Use
1376 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1378 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1380 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1382 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1383 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1384 of the ending condition.
1385 * tree-ssa-loop-manip.c: Include params.h.
1386 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1387 tree_unroll_loop): New functions.
1388 * tree-pass.h (pass_loop_prefetch): Declare.
1389 * loop.c (rest_of_handle_loop_optimize): Test for
1390 -fprefetch-loop-arrays-rtl.
1391 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1392 * timevar.def (TV_TREE_PREFETCH): New timevar.
1393 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1394 pass_loop_prefetch): New.
1395 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1396 (cleanup_tree_cfg_loop): Call scev_reset.
1397 * common.opt (fprefetch-loop-arrays-rtl): Add.
1398 * tree-ssa-loop-prefetch.c: New file.
1399 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1400 (new_temp_expr_table): Initialize expr_vars.
1401 (free_temp_expr_table): Cleanup expr_vars.
1402 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1403 expressions from being merged into one.
1404 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1405 (struct tree_niter_desc): Add control, bound and cmp fields.
1406 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1408 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1409 (tree-cfgcleanup.o): Add SCEV_H dependency.
1410 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1411 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1413 2006-02-14 Richard Guenther <rguenther@suse.de>
1415 PR tree-optimization/26258
1416 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1417 in PHI argument processing.
1419 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1421 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1422 new expression in the requested machine mode.
1424 2006-02-13 Roger Sayle <roger@eyesopen.com>
1426 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1427 directly, instead let do_compare_rtx_and_jump handle this for us.
1428 * expr.c (expand_expr_real_1): Likewise.
1429 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1430 before do_jump_by_parts_greater.
1431 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1432 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1434 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1436 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1438 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1440 PR rtl-optimization/26235
1441 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1442 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1445 2006-02-13 Jeff Law <law@redhat.com>
1447 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1450 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1453 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1454 twice if decl is a builtin. When trying again, call get_callee_fndecl
1455 first to verify it is still a builtin.
1457 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1459 * dwarf2out.c (base_type_die): Don't add AT_name here.
1460 (subrange_type_die): Don't add AT_name here.
1461 (modified_type_die): Rearrange code flow. Do add AT_name here.
1463 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1465 PR rtl-optimization/26247
1466 PR rtl-optimization/26248
1467 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1469 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1471 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1472 * config/fixtfdi.c: Likewise.
1473 * config/fixunstfdi.c: Likewise.
1474 * config/floatditf.c: Likewise.
1476 2006-02-13 Roger Sayle <roger@eyesopen.com>
1479 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1480 into (X,C2) if C1 is a subset of the bits of C2. Transform
1481 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1483 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1485 2006-02-13 Josh Conner <jconner@apple.com>
1488 * varasm.c (function_section): Check for section name before
1489 calling select_section on targets that define
1490 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1491 unlikely_text_section instead of hot_function_section if
1492 first_function_block_is_cold.
1494 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1497 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1499 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1501 PR rtl-optimization/26222
1502 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1503 after tree->rtl expansion.
1504 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1505 before passing it to emit_move_insn.
1507 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1509 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1511 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1512 Clarify documentation.
1513 * c-common.h (warn_write_strings): Remove.
1514 * c-common.c (warn_write_strings): Likewise.
1515 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1518 2006-02-12 Roger Sayle <roger@eyesopen.com>
1521 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1522 (do_jump_parts_zero_rtx): New function renamed from
1523 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1524 (do_jump_parts_equality_rtx): New function split out from
1525 do_jump_parts_equality. Old implementation renamed as above.
1526 Call do_jump_parts_zero_rtx if either operand is zero.
1527 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1528 do all of the heavy lifting.
1529 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1530 calling either do_jump_by_parts_greater_rtx or
1531 do_jump_by_parts_equality_rtx.
1532 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1533 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1534 moved to do_compare_rtx_and_jump, call it directly.
1535 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1536 mode argument. Call do_compare_rtx_and_jump.
1537 (emit_case_nodes): Update calls to do_jump_if_equal.
1539 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1541 PR rtl-optimization/26225
1542 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1544 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1546 PR rtl-optimization/26232
1547 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1549 2006-02-11 Jason Merrill <jason@redhat.com>
1552 * tree-inline.c (declare_return_variable): Just don't use the
1553 modify target if it's a gimple complex reg and the return slot
1556 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1558 * doc/contrib.texi: Update my entry.
1560 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1562 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1564 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1566 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1569 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1571 * doc/invoke.texi (-floop-optimize2): Removed.
1572 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1573 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1574 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1575 * common.opt (floop-optimize2): Removed.
1576 (fmove-loop-invariants): Enabled by default.
1578 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1580 * tree-if-conv.c (combine_blocks): Free the result of
1581 get_loop_exit_edges.
1583 2006-02-10 Jeff Law <law@redhat.com>
1585 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1587 PR tree-optimization/26213
1588 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1589 loop trying to follow SSA_NAME_VALUE chains.
1591 2006-02-10 Richard Guenther <rguenther@suse.de>
1593 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1594 deal with structures that end in implicitly variable sized arrays.
1596 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1598 PR rtl-optimization/24762
1599 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1602 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1604 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1605 (struct ivopts_data): Add regs_used field.
1606 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1607 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1608 instead of loop_data->regs_used;
1609 (free_loop_data): Do not free aux fields for loops.
1610 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1611 and tree_ssa_iv_optimize_finalize.
1613 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1615 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1617 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1620 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1621 computing the effective result type.
1623 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1626 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1627 (tree_overlaps_hard_reg_set): Declare.
1628 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1629 type and signature to match function type expected by walk_tree.
1630 (tree_overlaps_hard_reg_set): New function.
1631 (decl_conflicts_with_clobbers_p): Rename to:
1632 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1633 Use tree_overlaps_hard_reg_set. Changed caller.
1634 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1635 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1636 * cris.c (cris_md_asm_clobbers): Likewise.
1638 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1640 * reload1.c (emit_input_reload_insns): Delete code that tries to
1641 inherit using find_equiv_reg.
1643 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1645 * c-common.h (flag_const_strings): Don't declare.
1646 * c-common.c (flag_const_strings): Remove.
1647 * c.opt (fconst_strings): Remove.
1648 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1649 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1650 (c_common_init_options): Don't set flag_const_strings.
1651 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1653 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1655 * arm.md (tlobits_cbranch): New pattern.
1656 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1657 testing a single bit.
1659 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1662 * tree-ssa-pre.c (create_component_ref_by_pieces):
1663 Handle RETURN_DECL like VAR_DECL.
1665 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1668 * fold-const.c (fold_indirect_ref_1): Fold
1669 "*(foo *)&complexfoo" to "__real__ complexfoo"
1670 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1672 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1674 * tree-flow-inline.h (var_can_have_subvars):
1675 Volatile variables should not have subvariables.
1677 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1680 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1681 multiplying unsigned values.
1684 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1686 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1688 2006-02-08 Jason Merrill <jason@redhat.com>
1691 * tree.def: Elaborate on difference from MODIFY_EXPR.
1692 * doc/c-tree.texi (INIT_EXPR): Likewise.
1693 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1694 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1695 (gimplify_target_expr): Likewise.
1696 (gimplify_cond_expr): Remove target handling.
1697 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1698 (gimplify_expr): Clobber it here.
1699 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1700 Do return slot optimization if we have an INIT_EXPR.
1703 * tree-inline.c (declare_return_variable): Also clear
1704 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1707 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1710 * gimplify.c (gimplify_one_sizepos): Fix typo.
1712 2006-02-08 Jeff Law <law@redhat.com>
1714 PR tree-optimization/21417
1715 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1716 across a backedge if the control statement at the end of the
1717 block is data dependent on other statements in the same block.
1718 (record_temporary_equivalences_from_stmts): Remove over-conservative
1719 test for threading across backedges.
1721 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1722 control statement, handle all three special cases in the same
1723 manner as they all have the same desired solution. No longer
1724 special case edge flag updating when the post dominator is
1727 2006-02-08 Roger Sayle <roger@eyesopen.com>
1729 * tree.def (CHAR_TYPE): Remove.
1730 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1731 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1732 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1733 (gen_string_type_die): Delete unreachable function.
1735 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1736 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1737 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1738 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1739 * builtins.c (type_to_class): Likewise.
1740 * fold-const.c (fold_convert, build_range_check,
1741 merge_ranges): Likewise.
1742 * expr.c (count_type_elements): Likewise.
1743 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1744 * stor-layout.c (layout_type): Likewise.
1745 * ipa-type-escape.c (type_to_consider): Likewise.
1746 * gimplify.c (omp_firstprivatize_type_sizes,
1747 gimplify_type_sizes): Likewise.
1748 * explow.c (promote_mode): Likewise.
1749 * tree-sra.c (is_sra_scalar_type): Likewise.
1750 * varasm.c (output_constant): Likewise.
1751 * tree-inline.c (remap_type_1): Likewise.
1752 * convert.c (convert_to_pointer, convert_to_real,
1753 convert_to_integer, convert_to_complex): Likewise.
1755 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1757 * df-scan.c (df_def_record_1): A set destination may
1758 be a parallel regardless of mode.
1760 2006-02-08 Roger Sayle <roger@eyesopen.com>
1763 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1764 * config/mips/_tilib.c: Remove.
1765 * config/fixtfdi.c: New libgcc source file.
1766 * config/fixunstfdi.c: New source file.
1767 * config/floatditf.c: New source file.
1768 * config/floatunditf.c: New souce file.
1769 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1770 files above instead of config/mips/_tilib.c.
1771 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1773 2006-02-08 Jeff Law <law@redhat.com>
1775 PR tree-optimization/26169
1776 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1779 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1781 * df.h (DF_REG_SIZE): Return the length of the initialized
1784 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1786 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1787 __muldf3): Return a correctly signed zero.
1789 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1791 * passes.c (register_one_dump_file): Accept the current properties
1792 instead of pass number. Adjust call to dump_register. Remove
1794 (register_dump_files): Now a wrapper around...
1795 (register_dump_files_1): ... this one. Do not modify the pass
1797 (next_pass_1): Cosmetic fix.
1798 (execute_todo): Keep second parameter only. Use curr_properties
1799 instead of fetching it from the pass structure. Check and set
1801 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1802 instead of fetching it from the pass structure. Fix calls to
1803 execute_todo. Update curr_properties and initialize .vcg RTL dump
1804 after running the pass. Reset last_verified.
1805 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1807 (FIRST_AUTO_NUMBERED_DUMP): New.
1808 (dump_register): Remove "num" parameter, assign it within the
1810 (get_dump_file_name): Modify template for dumps.
1811 * tree-dump.h (dump_register): Adjust prototype.
1812 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1813 (PROP_trees): Add PROP_gimple_lomp.
1814 (TODO_set_props): New.
1815 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1816 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1817 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1819 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1821 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1822 (sparc64-*-linux*): Likewise.
1823 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1824 * config/sparc/t-linux: New file.
1825 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1826 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1827 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1828 -m32 -mlong-double-128.
1830 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1831 * config/alpha/t-linux: New file.
1832 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1834 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1835 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1836 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1837 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1838 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1839 (CPP_ARCH32_SPEC): Remove.
1841 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1843 PR tree-optimization/26145
1844 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1847 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1850 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1851 >= 240000 when generating code for SOM runtime.
1852 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1853 to $$dyncall when generating code for SOM runtime..
1855 2006-02-07 Dirk Mueller <dmueller@suse.com>
1858 * doc/invoke.texi (-Wsequence-point): Update documentation
1859 that -Wsequence-point is implemented for C++ as well.
1861 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1863 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1864 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1865 (LIB_SPEC): Likewise.
1866 * doc/invoke.texi (SPARC options): Document -pthread.
1868 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1870 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1873 2006-02-07 Roger Sayle <roger@eyesopen.com>
1875 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1876 Correct comment describing BOOLEAN_TYPE.
1878 2006-02-07 Dirk Mueller <dmueller@suse.com>
1880 * c.opt: C++ frontend supports -Wdiv-by-zero.
1881 * c-opts.c (c_common_handle_option): Remove dead case.
1883 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1885 * configure.ac (TLS assembler check): Do not enable TLS by
1886 default on SPARC/Solaris before version 10.
1887 * configure: Regenerate.
1889 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1891 * doc/invoke.texi (xl-compat): Document conversion and support
1894 2006-02-07 Jeff Law <law@redhat.com>
1896 * tree-vrp.c (find_conditional_asserts): Update comments.
1897 (simplify_stmt_for_jump_threading): New.
1898 (identify_jump_threads, finalize_jump_threads): New.
1899 (vrp_finalize): Call identify_jump_threads.
1900 (execute_vrp): Call finalize_jump_threads.
1901 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1902 (vrp_element, vrp_data, vrp_element_p): Remove.
1903 (vrp_hash_elt, vrp_variables_stack): Remove.
1904 (vrp_hash, vrp_eq, record_range): Remove.
1905 (simplify_cond_and_lookup_avail_expr): Remove.
1906 (extract_range_from_cond): Remove.
1907 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1908 (simplify_stmt_for_jump_threading): New.
1909 (dom_thread_across_edge): New wrapper.
1910 (tree_ssa_dominator_optimize): No longer initialize or
1911 finalize any of the VRP datastructures. Remove iteration
1912 step and simplify as a result of removal of iteration step.
1913 (pass_dominator): Perform a cfg cleanup after DOM.
1914 (dom_opt_finalize_block): Use the new common routines
1915 for threading jumps. Simplify stack management slightly.
1916 No longer need to unwind VRP state.
1917 (record_equivalences_from_incoming_edge): No longer record
1919 (eliminate_redundant_computations): No longer call
1920 simplify_cond_and_lookup_avail_expr.
1921 * tree-flow.h (potentially_threadable_block): Prototype.
1922 (thread_across_edge): Likewise.
1923 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1924 (tree-ssa-threadedge.o): Add dependencies.
1925 * tree-ssa-threadedge.c: New file.
1926 * passes.c (init_optimization_passes): Merge PHIs before
1927 calling VRP. Run VRP again late in the SSA optimization pipeline.
1929 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1931 * df-core.c (df_set_blocks): Do not dereference function pointers.
1932 (df_finish1): Likewise.
1933 (df_hybrid_search_forward): Likewise.
1934 (df_hybrid_search_backward): Likewise.
1935 (df_iterative_dataflow): Likewise.
1936 (df_analyze_problem): Likewise.
1937 (df_compact_blocks): Likewise.
1938 (df_dump): Likewise.
1939 * df-scan.c (df_rescan_blocks): Likewise.
1940 (df_record_entry_block_defs): Likewise.
1942 * genconditions.c (write_conditions): Guard the definition of
1943 'insn_conditions' with the check on GCC version.
1944 (write_writer): Guard the traversal 'insn_conditions' with
1945 the check on GCC version.
1947 2006-02-07 Richard Guenther <rguenther@suse.de>
1951 2006-01-30 Richard Guenther <rguenther@suse.de>
1953 * gimplify.c (gimplify_target_expr): Handle easy cases
1954 without creating a temporary.
1956 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1958 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1959 use of float in probability computations. Use edge probabilities
1960 in place of statically computed probabilities.
1961 (min_spec_prob): New static variable.
1962 (schedule_insns): Initialize it.
1963 (GET_SRC_PROB): Removed.
1964 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1966 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1969 * config/ia64/unwind-ia64.c: Revert last change.
1970 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1971 (INCOMING_FRAME_SP_OFFSET): Define.
1973 2006-02-06 Roger Sayle <roger@eyesopen.com>
1975 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1977 2006-02-07 Ben Elliston <bje@au.ibm.com>
1979 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1980 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1981 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1982 (ix86_return_in_memory): Handle TDmode.
1983 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1984 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1986 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1988 * reorg.c (dbr_schedule): Use dump_file instead of file.
1990 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1993 * config/ia64/predicates.md (extr_len_operand): New predicate.
1994 * config/ia64/ia64.md (extv): Tighten constraints.
1996 (*tbit_and_2): Ditto.
1997 (*tbit_and_3): Ditto.
1998 (*tbit_or_2): Ditto.
1999 (*tbit_or_3): Ditto.
2003 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2006 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2008 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2010 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2011 loop_optimizer_init and loop_optimizer_finalize
2012 * tree-ssa-sink.c (execute_sink_code): Ditto.
2013 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2014 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2015 tree_ssa_loop_done): Ditto.
2016 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2017 * sched-ebb.c: Include output.h.
2018 (schedule_ebbs): Do not use dump argument.
2019 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2020 * loop.c (loop_dump_stream): Removed.
2021 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2023 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2024 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2025 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2026 loop_iterations, strength_reduce, record_biv, record_giv,
2027 final_giv_value, check_final_value, check_ext_dependent_givs,
2028 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2029 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2030 dump_file instead of loop_dump_stream.
2031 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2033 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2035 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2036 * haifa-sched.c: Include output.h
2037 (schedule_insns, sched_init): Do not use dump argument.
2038 * mode-switching.c (optimize_mode_switching): Ditto.
2039 * modulo-sched.c (stats_file): Removed.
2040 (print_node_sched_params): Do not call argument dump_file.
2041 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2042 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2044 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2046 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2047 rtl_loop_init, rtl_loop_done): Ditto.
2048 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2049 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2051 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2052 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2053 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2054 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2055 * emit-rtl.c (renumber_insns): Ditto.
2056 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2057 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2058 * regclass.c (regclass): Ditto.
2059 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2060 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2061 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2062 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2064 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2065 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2067 * gcse.c (gcse_file, debug_stderr): Removed.
2068 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2069 rest_of_handle_gcse): Do not use dump argument.
2070 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2071 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2072 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2073 compute_code_hoist_vbeinout, compute_code_hoist_data,
2074 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2075 compute_store_table, build_store_vectors, insert_insn_start_bb,
2076 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2077 store_motion): Use dump_file instead of gcse_file.
2078 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2079 * profile.c (profile_dump_file): Removed.
2080 (branch_prob): Use dump_file instead of profile_dump_file.
2081 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2083 * tree-ssa-copy.c (dump_copy_of): Ditto.
2084 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2085 dump file to life_analysis.
2086 * bt-load.c (branch_target_load_optimize): Ditto.
2087 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2089 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2090 regclass, dbr_schedule): Declaration changed.
2091 * sched-int.h (sched_init): Declaration changed.
2092 * tree-profile.c (tree_profile_dump_file): Removed.
2093 (tree_profile_hooks): Removed profile_dump_file hook.
2094 * rtl-profile (rtl_profile_dump_file): Removed.
2095 (rtl_profile_hooks): emoved profile_dump_file hook.
2096 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2098 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2099 * tree-cfg.c (build_tree_cfg): Ditto.
2100 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2101 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2102 Declaration changed.
2103 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2104 life_analysis and schedule_insns.
2105 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2107 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2109 * config/mips/mips.c (mips_reorg): Ditto.
2110 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2113 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2115 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2116 (s390_mangle_fundamental_type): New.
2117 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2120 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2121 (alpha_mangle_fundamental_type): New.
2122 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2125 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2127 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2129 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2130 (sparc_mangle_fundamental_type): New.
2132 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2134 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2135 (s390x-*-linux*): Likewise.
2136 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2137 * config/s390/t-linux: New file.
2139 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2141 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2142 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2144 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2146 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2147 (ANTIC_SAFE_LOADS): New macro.
2148 (find_or_generate_expression): Add prototype.
2149 (set_contains_value): Allow null set for sake of not always having
2150 to allocate ANTIC_SAFE_LOADS.
2151 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2152 Allow COMPONENT_REF too.
2153 (valid_in_set): Allow COMPONENT_REF.
2154 Check ANTIC_SAFE_LOADS too.
2155 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2156 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2158 (can_PRE_operation): Add COMPONENT_REF.
2159 (create_component_ref_by_pieces): New function.
2160 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2161 (insert_aux): Move AGGREGATE_TYPE_P check here.
2162 (compute_avail): Set bb local stmt uids.
2163 (pass_pre): Use TODO_update_ssa_only_virtuals.
2165 2006-02-06 Ben Elliston <bje@au.ibm.com>
2167 * configure.ac: Unconditionally disable decimal float by default.
2168 * configure: Regenerate.
2170 2006-02-06 Ben Elliston <bje@au.ibm.com>
2172 * read-rtl.c (read_name): Terminate reading on EOF.
2174 2006-02-06 Ben Elliston <bje@au.ibm.com>
2176 * dfp.c (decimal_real_arithmetic): Change second argument type
2177 from int to enum tree_code. Do not always return true, but now
2178 return result of any call to decimal_do helper functions.
2179 * dfp.h (decimal_real_arithmetic): Update prototype.
2181 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2183 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2185 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2188 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2191 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2193 * tree-vrp.c (cfg_loops): Removed.
2194 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2195 Use current_loops instead of cfg_loops. Pass flags to
2196 loop_optimizer_init.
2197 * cfgloopmanip.c (fix_loop_structure): Update only available
2199 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2200 loop_optimizer_init.
2201 * modulo-sched.c (build_loops_structure): Removed.
2202 (sms_schedule): Use loop_optimizer_init.
2203 * loop-init.c (loop_optimizer_init): Use flags to determine
2204 which properties of loops to prepare.
2205 (rtl_loop_init): Pass flags to loop_optimizer_init.
2206 * tree-ssa-sink.c (execute_sink_code): Ditto.
2207 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2208 * tree-ssa-pre.c (init_pre): Ditto.
2209 * cfgloop.h (LOOPS_NORMAL): New.
2210 (loop_optimizer_init): Declaration changed.
2212 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2214 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2215 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2217 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2219 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2221 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2222 * pa/t-pa64: Delete quadlib.c rule.
2223 * pa/x-ada: Revert last change.
2224 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2226 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2228 PR rtl-optimization/26087
2229 * rtlanal.c (canonicalize_condition): Do not cross basic block
2232 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2235 * config/ia64/ia64.c: Include debug.h.
2236 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2237 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2238 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2239 (process_epilogue, process_set, process_for_unwind_directive):
2240 Output unwind info only if requested. Add CFA info if requested.
2241 Add new arguments as needed. Adjust callers.
2242 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2244 (DWARF2_FRAME_INFO): Define to zero.
2245 * config/ia64/unwind-ia64.c: Remove code that compensated for
2246 the CFA offset error fixed above.
2247 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2248 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2249 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2250 -funwind-tables and -fexceptions to enable frame info.
2251 (dwarf2out_frame_init): Define initial CFA even if
2252 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2253 DWARF2_UNWIND_INFO is nonzero, not just defined.
2254 (dwarf2out_frame_finish): Output non-EH call frame info only
2255 if DWARF2_FRAME_INFO is nonzero.
2256 (convert_cfa_to_loc_list,
2257 compute_frame_pointer_to_cfa_displacement): Define even if
2258 unwind info is not supported.
2259 (gen_subprogram_die): Use the above unconditionally. Remove
2260 legacy alternate code.
2261 * toplev.c (compile_file): Compile in call to
2262 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2263 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2265 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2266 Jakub Jelinek <jakub@redhat.com>
2268 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2269 IBM extended float format long double as "g" on powerpc*-linux.
2271 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2274 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2275 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2277 2006-02-03 Jason Merrill <jason@redhat.com>
2280 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2283 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2284 on the return slot if it's an NRV.
2286 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2288 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2289 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2290 rewrite_use): Do not handle USE_OUTER.
2291 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2292 add_iv_outer_candidates, may_replace_final_value,
2293 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2294 (find_interesting_uses_op): Functionality of
2295 find_interesting_uses_outer_or_nonlin moved here.
2296 (find_interesting_uses_outside): Use find_interesting_uses_op.
2298 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2301 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2303 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2304 Ulrich Weigand <uweigand@de.ibm.com>
2307 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2308 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2309 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2310 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2312 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2313 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2314 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2315 Define secondary reloads for TFmode moves.
2316 (constant_modes): Add TFmode.
2317 (NR_C_MODES): Set to 8.
2318 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2320 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2321 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2322 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2323 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2324 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2325 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2326 (FPR mode macro): Add TFmode.
2327 (DSF mode macro): New.
2328 (<de>, <dee> mode attributes): Removed.
2329 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2330 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2331 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2332 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2333 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2334 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2335 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2336 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2337 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2338 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2339 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2340 "*negabs<mode>2", "sqrt<mode>2"):
2341 Changed <de> to <xde>. R constraint replaced by <Rf>.
2342 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2344 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2345 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2346 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2348 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2349 "extenddftf2", "extendsftf2"): New expanders.
2350 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2351 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2352 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2353 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2355 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2356 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2357 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2358 __floatditf): Add a GCC_4.1.0 symbol version tag.
2359 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2362 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2365 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2366 Use targetm.binds_local_p instead of TREE_PUBLIC.
2368 2006-02-02 Roger Sayle <roger@eyesopen.com>
2370 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2371 on INTEGER_TYPEs to indicate that it denotes a character type.
2372 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2373 signed_char_type_node, unsigned_char_type_node and char_type_node.
2374 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2375 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2376 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2378 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2379 Daniel Berlin <dberlin@dberlin.org>
2381 * tree-tailcall.c (arg_needs_copy_p): New function.
2382 (eliminate_tail_call): Use arg_needs_copy_p.
2383 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2384 (add_virtual_phis): New function.
2386 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2388 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2389 #ignore instead of #scratch for %g7 .register directive.
2391 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2393 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2396 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2398 * flow.c (calculate_global_regs_live): Assert that there aren't any
2401 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2403 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2405 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2406 bsi_after_labels iterator.
2407 * tree-if-conv.c (find_phi_replacement_condition,
2408 replace_phi_with_cond_modify_expr): Likewise.
2409 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2410 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2412 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2414 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2416 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2419 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2420 array after growing it.
2422 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2425 * fold-const.c (fold_checksum_tree): Change type of buf.
2427 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2429 * reload.c (push_secondary_reload): Initialize t_icode.
2431 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2433 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2434 -msoft-float -mlong-double-128 only issue a warning, but don't
2435 swich to DFmode long double.
2437 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2439 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2440 has a constant equivalent, iterate over equivalents for arg0,
2441 calling simplify_relational_operation and if there's a result
2442 cheaper than X, apply fold_rtx and return the result.
2444 2006-02-01 Jan Hubicka <jh@suse.cz>
2446 * opts.c (no_unit_at_a_time_default): New global variable.
2447 (decode_options): Use it.
2448 * opts.h (no_unit_at_a_time_default): Declare.
2450 2006-02-01 Paul Brook <paul@codesourcery.com>
2452 * function.c (assign_parm_setup_reg): Use function argument promotion
2454 * expr.c (expand_expr_real_1): Use function argument promotion rules
2457 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2459 * gcc.c (process_command): Change j to 'unsigned int'.
2461 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2464 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2465 Use the corrected index for the character
2466 out of the string constant.
2468 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2470 * mode-switching.c (optimize_mode_switching): Fix size
2471 allocated for bb_info[n_entities].
2473 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2475 * gcc.c (main): Correct type that is allocated for
2476 explicit_link_files.
2478 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2480 * config/s390/s390.c (init_alignment_context): Set
2481 ALIAS_SET_MEMORY_BARRIER on the MEM.
2482 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2484 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2487 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2489 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2492 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2494 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2495 * regrename.c: Ditto.
2496 * tree-ssa-loop-im.c: Ditto.
2497 * tree-dump.c: Ditto.
2498 * tree-complex.c: Ditto.
2499 * genrecog.c: Ditto.
2500 * tree-ssa-threadupdate.c: Ditto.
2502 * java/class.c: Ditto.
2503 * java/jcf-parse.c: Ditto.
2504 * java/resource.c: Ditto.
2505 * java/except.c: Ditto.
2506 * java/jvspec.c: Ditto.
2507 * java/jcf-write.c: Ditto.
2508 * java/jcf-path.c: Ditto.
2509 * java/gjavah.c: Ditto.
2510 * java/zextract.c: Ditto.
2511 * java/jcf-io.c: Ditto.
2512 * java/jcf.h: Ditto.
2513 * java/buffer.c: Ditto.
2514 * java/lang.c: Ditto.
2515 * java/parse-scan.y: Ditto.
2516 * java/lex.c: Ditto.
2517 * java/lex.h: Ditto.
2518 * cfgloopmanip.c: Ditto.
2519 * postreload-gcse.c: Ditto.
2520 * tree-ssa-loop-manip.c: Ditto.
2521 * postreload.c: Ditto.
2522 * tree-ssa-loop-ch.c: Ditto.
2526 * diagnostic.c: Ditto.
2528 * genoutput.c: Ditto.
2530 * cfghooks.c: Ditto.
2531 * cfgloopanal.c: Ditto.
2532 * objc/objc-act.c: Ditto.
2534 * genextract.c: Ditto.
2535 * genautomata.c: Ditto.
2536 * pretty-print.c: Ditto.
2538 * cgraphunit.c: Ditto.
2541 * haifa-sched.c: Ditto.
2542 * dominance.c: Ditto.
2544 * tree-ssa-loop-ivopts.c: Ditto.
2546 * mode-switching.c: Ditto.
2547 * modulo-sched.c: Ditto.
2549 * ipa-pure-const.c: Ditto.
2551 * fix-header.c: Ditto.
2553 * tree-stdarg.c: Ditto.
2554 * ipa-utils.c: Ditto.
2555 * loop-init.c: Ditto.
2556 * ipa-inline.c: Ditto.
2559 * alloc-pool.c: Ditto.
2560 * dwarf2out.c: Ditto.
2562 * genattrtab.c: Ditto.
2563 * tree-ssa-loop-ivcanon.c: Ditto.
2567 * fortran/gfortranspec.c: Ditto.
2569 * local-alloc.c: Ditto.
2570 * langhooks.c: Ditto.
2571 * function.c: Ditto.
2572 * tree-vectorizer.c: Ditto.
2574 * ipa-type-escape.c: Ditto.
2576 * tree-if-conv.c: Ditto.
2579 * tree-data-ref.c: Ditto.
2580 * loop-unroll.c: Ditto.
2581 * treelang/treetree.c: Ditto.
2584 * ggc-common.c: Ditto.
2586 * coverage.c: Ditto.
2588 * tree-cfgcleanup.c: Ditto.
2589 * tree-ssa-pre.c: Ditto.
2590 * cfgcleanup.c: Ditto.
2591 * loop-invariant.c: Ditto.
2593 * ipa-prop.c: Ditto.
2594 * print-tree.c: Ditto.
2595 * conflict.c: Ditto.
2596 * ggc-page.c: Ditto.
2597 * sched-deps.c: Ditto.
2598 * regclass.c: Ditto.
2599 * tree-object-size.c: Ditto.
2601 * bb-reorder.c: Ditto.
2602 * resource.c: Ditto.
2603 * var-tracking.c: Ditto.
2605 * df-problems.c: Ditto.
2606 * reg-stack.c: Ditto.
2609 * sched-rgn.c: Ditto.
2610 * tree-ssa-structalias.c: Ditto.
2611 * tree-ssa-reassoc.c: Ditto.
2612 * config/darwin-c.c: Ditto.
2613 * config/darwin.c: Ditto.
2614 * config/arm/arm.c: Ditto.
2616 * collect2.c: Ditto.
2619 2006-01-31 Nicolas Pitre <nico@cam.org>
2621 * arm.md (smaxsi3): Make aware of smax_m1.
2624 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2626 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2628 2006-01-31 Richard Guenther <rguenther@suse.de>
2630 * doc/invoke.texi (-msselibm): Document.
2631 * target.h (expand_library_builtin): New target hook.
2632 * builtins.c (expand_builtin): Use expand_library_builtin.
2633 (default_expand_library_builtin): New function.
2634 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2635 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2636 (link_gcc_math_spec): Declare.
2637 (static_specs): Add link_gcc_math_spec.
2638 * expr.h (default_expand_library_builtin): Declare.
2639 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2640 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2641 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2642 * config/i386/i386.opt (msselibm): New target option.
2643 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2644 (ix86_init_sse_abi_builtins): New function.
2645 (ix86_expand_library_builtin): Likewise.
2646 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2647 (override_options): Handle error conditions wrt -msselibm.
2648 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2649 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2650 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2653 2006-01-31 Richard Guenther <rguenther@suse.de>
2654 Paolo Bonzini <bonzini@gnu.org>
2656 * doc/install.texi (--disable-libgcc-math): Document.
2658 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2660 * expr.h (expand_normal): new inline function.
2661 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2663 * dwarf2out.c: use it.
2668 * config/sparc/sparc.c: use it.
2669 * config/i386/i386.c: use it.
2670 * config/rs6000/rs6000.c: use it.
2671 * config/arm/arm.c: use it.
2672 * config/mips/mips.c: use it.
2673 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2675 2006-01-30 Roger Sayle <roger@eyesopen.com>
2677 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2678 argv to the appropriate type.
2680 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2682 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2685 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2688 * config/s390/s390.c (struct machine_function): New flag
2689 decomposed_literal_pool_addresses_ok_p.
2690 (s390_reorg): Set it before final stage of literal pool transforms.
2691 (s390_decompose_address): Only accept displacements of the form
2692 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2694 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2696 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2697 the comparison routine return.
2699 2006-01-30 Michael Matz <matz@suse.de>
2701 * global.c (find_reg): Only evict for global regs.
2702 Take n_refs into account and dump more info.
2704 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2707 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2708 (pragma_trap, pragma_nosave_low_regs): Likewise.
2709 (current_function_anonymous_args): Likewise.
2710 (sh_deferred_function_attributes): New variable.
2711 (sh_deferred_function_attributes_tail): Likewise.
2712 (print_operand): For '@', look up trap_exit attribute.
2713 (calc_live_regs): Look up trapa_handler attribute. For trapa
2714 handlers, save/restore fpscr, but don't do any other
2715 interrupt-specific saves.
2716 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2717 Fix check for partially saved registers to check for SHmedia.
2718 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2719 (sh_output_function_epilogue): Don't clear any of the removed
2721 (sh_insert_attributes): Don't check pragma_interrupt.
2722 Insert deferred attributes. Check that interrupt attribute is
2723 present for other attributes that require its presence.
2724 (sh_attribute_table): Add new attributes trapa_handler and
2726 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2727 Don't check for pragma_interrupt. Don't store argument.
2728 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2729 (sh_deferred_function_attributes): Declare.
2730 (sh_deferred_function_attributes_tail): Likewise.
2731 * sh.md (sp_switch_1): Add operand. Change generator caller.
2732 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2733 (*return_i): Don't use when trap_exit attribute is in effect.
2734 (*return_trapa): New insn pattern.
2736 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2737 setting c_target_objs and cxx_target_objs.
2738 * t-sh: Add rule for sh-c.o.
2740 2006-01-30 Richard Guenther <rguenther@suse.de>
2743 * gimplify.c (gimplify_target_expr): Handle easy cases
2744 without creating a temporary.
2746 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2748 * vec.h (safe_grow): Remove duplicated line.
2750 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2753 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2754 (expand_omp): ... here.
2755 (expand_omp_parallel): Only remove barriers for combined
2756 parallel+workshare constructs.
2758 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2762 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2763 * tree.c (build_qualified_type): Chain the new type to the original
2764 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2765 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2766 (build_pointer_type_for_mode): Only return unqualified types.
2767 (build_reference_type_for_mode): Likewise.
2769 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2771 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2772 * Makefile.in (CXX_COMPAT_WARN): Define.
2773 * configure: Regenerate.
2775 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2778 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2781 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2783 * toplev.c: Fix thinko.
2785 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2786 Marcin Dalecki <martin@dalecki.de>
2788 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2789 (push_srcloc): Use XNEW.
2790 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2792 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2794 * df-core.c (df_set_blocks): Deleted all variable.
2796 2006-01-28 Ian Lance Taylor <ian@airs.com>
2798 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2799 cgraph_output_pending_asms.
2801 2006-01-28 Zack Weinberg <zackw@panix.com>
2803 * c.opt: Add -W(no-)overlength-strings.
2804 * doc/invoke.texi: Document it.
2805 * c-opts.c (c_common_handle_option): -pedantic implies
2806 -Woverlength-strings, if not explicitly disabled already.
2807 (c_common_post_options): -Woverlength-strings defaults to off, and
2808 is always off for C++.
2809 * c-common.c (fix_string_type): Issue warning about strings longer
2810 than is portable only if warn_overlength_strings. Rearrange code
2811 a little for clarity.
2812 * configure.in: Check for -Wno-overlength-strings as well before
2813 enabling -pedantic in stage 1.
2814 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2815 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2817 * genconditions.c (write_header, write_one_condition)
2818 (write_conditions, write_writer): Consolidate very long strings
2819 that were broken up to fit in C89 portable limit. Don't use
2820 printf when fputs will do.
2822 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2824 * combine.c (simplify_comparison <AND>): Check
2825 TRULY_NOOP_TRUNCATION before start using a subreg.
2827 * config/mips/mips.md (*branch_zero<mode>,
2828 *branch_zero<mode>_inverted, *branch_equality<mode>,
2829 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2830 Remove mode check from comparisons.
2832 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2834 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2836 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2838 * expmed.c (const_mult_add_overflow_p): Remove.
2839 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2841 * recog.c (validate_replace_rtx_subexp): Remove.
2842 * recog.h: Remove the prototype for
2843 validate_replace_rtx_subexp.
2845 * integrate.h: Remove the prototype for
2846 copy_decl_for_inlining.
2847 * rtl.h: Remove the prototype for mark_constant_function.
2848 * tree-vectorizer.h: Remove the prototype for
2849 vect_strip_conversion.
2851 * modulo-sched.c (create_partial_schedule,
2852 free_partial_schedule, reset_partial_schedule): Make them
2855 * hooks.c (hook_bool_rtx_int_false): Remove.
2856 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2858 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2860 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2861 and -mlong-double-128 are incompatible.
2862 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2863 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2864 (TARGET_LIBGCC2_CFLAGS): Define.
2865 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2866 (TARGET_LIBGCC2_CFLAGS): Same.
2867 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2869 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2872 * c-typeck.c (build_binary_op): Perform implicit casts of
2873 operands before shortening them.
2875 * cfgloopmanip.c (split_loop_bb): Remove.
2876 * cfgloop.h: Remove the prototype for split_loop_bb.
2878 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2879 * cfgloop.h: Remove the prototype for
2880 flow_loop_outside_edge_p.
2882 * emit-rtl.c (init_virtual_regs): Make it static.
2883 * function.h: Remove the prototype for init_virtual_regs.
2885 * recog.c (peephole2_optimize): Make it static.
2886 * recog.h: Remove the prototype for peephole2_optimize.
2888 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2890 * df-scan.c (df_record_entry_block_defs): Check if
2891 INCOMING_RETURN_ADDR_RTX is defined.
2893 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2894 Kenneth Zadeck <zadeck@naturalbridge.com>
2896 PR rtl-optimization/24762
2897 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2898 * targhooks.c (hook_void_bitmap): New hook prototype.
2899 * targhoohs.h (hook_void_bitmap): Ditto.
2900 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2901 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2902 * target.h (live_on_entry): New function pointer.
2903 * df-scan.c (df_all_hard_regs): Removed.
2904 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2905 (df_scan_free_internal): Added df->entry_block_defs.
2906 (df_scan_alloc): Ditto.
2907 (df_scan_dump): Ditto.
2908 (df_uses_record): Plumbed flag field properly thru calls.
2909 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2910 This part fixes PR24762.
2911 (df_bb_refs_record): Added code to make the frame and arg
2912 pointers live in EH blocks.
2913 (df_refs_record): Added call to df_record_entry_block_defs.
2914 (df_record_entry_block_defs): New function.
2915 * df-core.c: Added comments to describe new artifical defs.
2916 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2917 (entry_block_defs): New field in struct df.
2918 (df_all_hard_regs): Deleted.
2919 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2920 * df-problems.c (df_ru_bb_local_compute_process_def):
2921 Added code to handle artifical defs in the entry to a function.
2922 (df_ru_bb_local_compute): Ditto.
2923 (df_rd_bb_local_compute_process_def): Ditto.
2924 (df_rd_bb_local_compute): Ditto.
2925 (df_lr_bb_local_compute): Ditto.
2926 (df_ur_bb_local_compute): Ditto.
2927 (df_urec_bb_local_compute): Ditto.
2928 (df_chain_create_bb): Ditto.
2929 (df_ur_local_finalize): Removed entry.
2930 (df_urec_init): Ditto.
2931 (df_urec_local_finalize): Ditto.
2932 (df_ri_bb_compute): Added detection of last use of pseudos.
2933 * Makefile.in (df-scan.o): Updated dependencies.
2934 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2935 * config/mips/mips.c (mips_set_live_on_entry): Added.
2936 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2938 * dce.c (marked_insn_p): Added code to handle artifical defs.
2940 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2942 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2944 (_mm_cvtsi128_si64): Likewise.
2945 (_mm_cvtsd_si64): Likewise.
2946 (_mm_cvttsd_si64): Likewise.
2947 (_mm_cvtsi64_sd): Likewise.
2948 (_mm_cvtsi64_si128): Likewise.
2949 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2950 (_mm_cvtsi64_m64): Likewise.
2951 (_m_to_int64): Likewise.
2952 (_mm_cvtm64_si64): Likewise.
2953 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2954 (_mm_cvttss_si64): Likewise.
2955 (_mm_cvtsi64_ss): Likewise.
2956 (_mm_cvtss_f32): Likewise.
2958 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2960 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2961 for pragma redefine_extname.
2963 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2966 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2967 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2968 -mno-minimal-toc to previous content.
2969 (bispecs): Remove goal.
2970 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2971 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2972 compatibility aliases on powerpc-*-*gnu*.
2973 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2974 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2975 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2976 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2977 (ldblspecs): New goal.
2978 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2979 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2981 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2982 L_sf_to_tf or L_df_to_tf is defined.
2984 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2985 Alan Modra <amodra@bigpond.net.au>
2988 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2989 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2990 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2991 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2992 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2993 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2994 (rs6000_override_options): Initialize rs6000_ieeequad.
2995 Initialize TFmode format to ibm_extended_format if not
2997 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2999 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3000 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3001 (function_arg_advance): IBM long double passed in two FPRs, not
3003 (function_arg): IBM long double passed in FPRs.
3004 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3005 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3006 Only multireg GPR aligned.
3007 (rs6000_init_libfuncs): Enable IBM long double functions if not
3009 (rs6000_generate_compare): Use IBM long double compare if not
3011 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3012 (TARGET_IEEEQUAD): Define.
3013 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3014 not TARGET_IEEEQUAD.
3015 * config/rs6000/rs6000.md: Enable TFmode patterns if
3017 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3018 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3019 and -mlong-double-128 are incompatible.
3020 * doc/invoke.texi (-mabi): Collect options together. Add
3021 ibmlongdouble and ieeelongdouble.
3023 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3025 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3027 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3028 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3029 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3030 * rtl.h (rtunion_def): Remove rt_ptr.
3032 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3033 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3034 * config/i386/winnt.c (i386_pe_mark_dllexport)
3035 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3037 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3039 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3041 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3045 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3046 pthread_key_delete. From John David Anglin. gthrw-ify
3047 pthread_getunique_np only if it it's not a macro. Delete
3049 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3050 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3051 __gthread_objc_condition_signal, __gthread_key_delete): Add
3052 "__attribute__ ((__unused__))" to unused arguments.
3053 (__gthread_recursive_mutex_init_function): Add missing return.
3054 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3055 gthr-posix95.h: Use macro-based approach for name redirection
3056 on targets missing weakref.
3058 2006-01-26 Zack Weinberg <zackw@panix.com>
3060 * genconditions.c (write_header): In generated code, #ifdef out
3061 all includes and fake declarations, except includes of bconfig.h
3062 and system.h, unless GCC_VERSION >= 3001. Do not include
3063 gensupport.h in any case.
3064 (write_conditions): Generate a definition of struct c_test. Add
3065 a comment to the generated #endif.
3066 (write_one_condition): Escape backslashes in string too.
3067 (write_writer): Generated code must escape backslashes and quote
3068 marks (but not newlines) in the strings it writes.
3069 * Makefile.in (build/gencondmd.o): Update dependencies.
3071 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3074 * Makefile.in (insn-automata.o): Add header file dependencies.
3075 * genautomata.c: Add includes.
3077 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3080 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3082 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3084 * configure.ac: Expect target tools paths to be passed from the toplevel
3085 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3087 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3089 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3092 * c.opt (Wpointer-sign): Init to -1.
3093 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3094 OPT_pedantic, to 0 otherwise.
3095 * doc/invoke.texi: Update.
3097 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3099 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3100 constants provided by 80387 instructions in the destination mode.
3102 2006-01-26 Richard Guenther <rguenther@suse.de>
3103 Andrew Pinski <pinskia@physics.uc.edu>
3106 partial PR tree-opt/17064
3107 * tree-ssa-structalias.c (intra_create_variable_infos):
3108 Create heap variables for incoming parameters if
3109 flag_argument_noalias > 1.
3110 (find_what_p_points_to): Look through default defs of
3113 2006-01-26 Jeff Law <law@redhat.com>
3116 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3117 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3118 within the VR_RANGE, use the VR_RANGE as the result, not the
3120 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3121 bounds for the type.
3123 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3125 * tree-ssa-alias.c (maybe_create_global_var): Change
3126 subvar walking to an assertion that we don't have subvar'd variables.
3128 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3131 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3132 Use a new variable, inner. PARM_DECLs are always non-weak.
3134 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3136 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3139 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3141 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3143 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3145 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3146 (smax_insn, smin_insn, smax_0, smin_0): New.
3148 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3151 * config/cris/cris.c (cris_order_for_addsi3): New function.
3152 * config/cris/cris-protos.h: Prototype it.
3153 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3154 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3155 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3156 (split for "op.S1 [rx=rx+i],ry (swapped)")
3157 (split for "op(s|u).S1 [rx=rx+i],ry")
3158 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3159 Apply cris_order_for_addsi3 when generating addsi3 insns.
3161 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3163 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3164 (TREE_BLOCK): Add call to EXPR_CHECK.
3166 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3169 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3170 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3171 (dump_omp_clauses): ... here.
3172 (dump_generic_node): Handle OMP_CLAUSE.
3173 * tree.c (omp_clause_num_ops): New.
3174 (omp_clause_code_name): New.
3175 (tree_code_size): Handle OMP_CLAUSE.
3176 (tree_size): Likewise.
3177 (make_node): Document handling of OMP_CLAUSE.
3178 (tree_node_structure): Handle OMP_CLAUSE.
3179 (omp_clause_check_failed): New.
3180 (omp_clause_range_check_failed): New.
3181 (omp_clause_operand_check_failed): New.
3182 (build_omp_clause): New.
3183 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3184 * tree.h (enum omp_clause_code): Declare.
3185 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3186 (OMP_CLAUSE_RANGE_CHECK): Define.
3187 (OMP_CLAUSE_ELT_CHECK): Define.
3188 (omp_clause_check_failed): Declare.
3189 (omp_clause_operand_check_failed): Declare.
3190 (omp_clause_range_check_failed): Declare.
3191 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3192 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3193 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3194 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3195 (OMP_CLAUSE_IF_EXPR): Likewise.
3196 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3197 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3198 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3199 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3200 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3201 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3202 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3203 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3204 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3205 (OMP_CLAUSE_CODE): Define.
3206 (OMP_CLAUSE_SET_CODE): Define.
3207 (OMP_CLAUSE_CODE): Define.
3208 (OMP_CLAUSE_OPERAND): Define.
3209 (struct tree_omp_clause): Declare.
3210 (union tree_node): Add field 'omp_clause'.
3211 * treestruct.def (TS_OMP_CLAUSE): Define.
3212 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3213 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3214 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3215 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3216 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3217 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3218 (OMP_CLAUSE): Define.
3219 * print-tree.c (print_node): Handle OMP_CLAUSE.
3220 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3221 * c-typeck.c: Likewise.
3222 * gimplify.c: Likewise.
3223 * c-omp.c: Likewise.
3224 * tree-nested.c: Likewise.
3225 * tree-inline.c: Likewise.
3226 * c-parser.c: Likewise.
3227 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3230 2006-01-25 Roger Sayle <roger@eyesopen.com>
3232 PR rtl-optimization/25703
3233 * combine.c (try_combine): Handle zero_extract and strict_low_part
3234 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3236 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3238 * global.c: Fix comment typos.
3240 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3243 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3244 Use output_addr_const instead of assemble_name.
3246 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3248 * Makefile.in (sched-vis.o): Update dependencies.
3249 * haifa-sched.c (sched_finish): Clear current_sched_info.
3250 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3251 (dump_flow_info): Call it.
3252 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3254 * basic-block.h (dump_bb_info): Declare.
3255 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3256 option, and apply options only for dump files whose TDF_RTL,
3257 TDF_TREE, or TDF_IPA bits match.
3258 * rtl.h: Declare new functions exported from sched-vis.c.
3259 * sched-vis.c: Enable also if scheduling is not used.
3260 (print_value): Print the mode of registers if not inside scheduling.
3261 (print_insn): Make it work outside the scheduler. Beautify the output
3263 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3265 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3267 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3268 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3269 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3270 depending on the value of CONSTANT_POOL_ADDRESS_P.
3271 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3273 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3274 rather than SYMBOL_REF_DECL.
3275 (rtx_constant_pool): Remove const_rtx_sym_htab.
3276 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3277 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3278 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3279 Remove handling of const_rtx_sym_htab.
3280 (find_pool_constant): Delete.
3281 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3282 rather than find_pool_constant.
3283 (get_pool_constant_for_function): Delete.
3284 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3286 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3287 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3288 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3289 (SYMBOL_REF_CONSTANT): New macro.
3290 (get_pool_constant_for_function): Delete.
3291 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3292 rather than SYMBOL_REF_DECL.
3293 (i386_pe_mark_dllimport): Likewise.
3294 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3295 rather than SYMBOL_REF_DECL.
3296 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3297 (machopic_indirect_call_target): Likewise.
3299 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3301 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3303 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3305 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3307 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3309 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3311 2006-01-24 David Daney <ddaney@avtrex.com>
3314 * configure.ac (enable_tls): New enable option.
3315 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3316 * configure: Regenerate.
3317 * doc/install.texi (--enable-tls): Document new option.
3318 (--disable-tls): Ditto.
3320 2006-01-24 Richard Henderson <rth@redehat.com>
3322 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3323 * alias.c (true_dependence): Respect it.
3324 (canon_true_dependence, write_dependence_p): Likewise.
3325 * builtins.c (get_builtin_sync_mem): Set it.
3327 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3329 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3332 2006-01-24 DJ Delorie <dj@redhat.com>
3334 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3335 for storing constants in single-bit bitfields.
3337 2006-01-25 Ben Elliston <bje@au.ibm.com>
3339 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3341 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3344 * tree-ssa-pre.c (phi_translate): Return NULL
3345 for AGGREGATE_TYPE's.
3347 2006-01-24 Zack Weinberg <zackw@panix.com>
3349 * genautomata.c (process_state_for_insn_equiv_partition):
3350 Use xcalloc for insn_arcs_array.
3351 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3352 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3354 2006-01-24 Richard Henderson <rth@redhat.com>
3356 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3359 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3361 PR rtl-optimization/25890
3362 PR rtl-optimization/25905
3363 * combine.c (expand_compound_operation, expand_field_assignment):
3364 Fail if the bitfield's final position is out of bounds.
3366 2006-01-24 Ian Lance Taylor <ian@airs.com>
3369 * cgraphunit.c (cgraph_output_in_order): Don't clear
3370 cgraph_asm_nodes until after asm strings have been output.
3372 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3374 * fix-header.c (read_scan_file): Add new parameter imultilib when
3375 calling register_include_chains.
3377 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3379 * omp-low.c: Update documentation.
3381 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3382 Daniel Berlin <dberlin@dberlin.org>
3386 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3387 return from the function.
3389 2006-01-22 Zack Weinberg <zackw@panix.com>
3391 * rtl.def (match_code): Add second argument.
3392 * genpreds.c (write_extract_subexp): New function.
3393 (write_match_code): Add path argument. Use write_extract_subexp.
3394 (write_predicate_expr): Pass path to write_match_code.
3395 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3396 not perform a mode test.
3397 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3398 a subexpression does not constrain the top-level code set.
3399 * read-rtl.c (read_rtx_variadic): New function.
3400 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3401 * doc/md.texi: Document new notation.
3402 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3403 (cmpsi_operand): ... here, using new notation.
3405 2006-01-22 Zack Weinberg <zackw@panix.com>
3407 * varray.c: Remove GENERATOR_FILE #ifdefs.
3409 2006-01-22 Zack Weinberg <zackw@panix.com>
3411 * genautomata.c (output_reserved_units_table): Emit nothing if
3412 description->query_units_num is zero. Remove extra blank line.
3413 (output_cpu_unit_reservation_p): Short circuit
3414 if description->query_units_num is zero.
3416 2006-01-22 Zack Weinberg <zackw@panix.com>
3418 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3419 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3420 nor any of the random handful of variables that used to be necessary
3421 when this program was linked with rtlanal.o. Prune set of forward
3422 function declarations.
3423 (struct attr_desc): Remove static_p field.
3424 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3425 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3426 (attr_string): Do not read the character one past the length of
3428 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3429 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3430 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3431 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3432 (make_automaton_attrs): New.
3433 (main): Do not call into genautomata. Call local gen_bypass
3434 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3435 Remove special case for insn_alts.
3436 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3437 varray.h (leftover from previous change). Prune set of forward
3438 function declarations. Remove state_alts fields from all
3439 structures. Remove state_alts_table from struct automaton.
3440 Make everything except main static. Do not maintain num_dfa_decls.
3441 Do not maintain state_alts fields of various structures.
3442 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3443 (add_arc): Remove state_alts argument. All callers updated.
3444 (output_reserved_units_table): Emit #ifdef here...
3445 (output_tables): ...not here. Don't generate state_alts tables.
3446 (expand_automata): Don't generate attributes.
3447 (write_automata): Don't generate state_alts functions.
3448 (main): New function.
3449 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3450 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3451 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3452 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3453 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3454 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3455 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3456 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3458 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3459 * genattrtab.h: Delete file.
3460 * Makefile.in (OBJS-common): Add insn-automata.o.
3461 (insn-automata.o): New rule.
3462 (simple_generated_c): Add insn-automata.c.
3463 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3464 (genprogmd): Add automata.
3465 (build/genattrtab): Needs no extra objects nor libraries.
3466 (build/genautomata): Needs build/vec.o and -lm.
3468 2006-01-22 Zack Weinberg <zackw@panix.com>
3470 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3471 (output_dfa_max_issue_rate, locked_states_num): Delete.
3472 (struct automaton): Add locked_states field.
3473 (output_dead_lock_vect): Save number of locked states in
3474 automaton->locked_states. If it is zero, don't print anything.
3475 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3476 (output_internal_dead_lock_func): Only test the dead_lock_vect
3477 for automata that have locked states.
3478 (output_statistics): Always print the number of locked states for
3479 each automaton. Calculate total number of locked states here.
3480 (write_automata): Don't call output_dfa_max_issue_rate.
3481 * genattrtab.c: Define length_unit_log as a const variable.
3482 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3483 max_insn_queue_index const.
3484 * final.c (length_unit_log): Declare const.
3485 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3487 2006-01-22 Zack Weinberg <zackw@panix.com>
3489 * genautomata.c: Include vec.h, not varray.h.
3490 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3491 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3492 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3493 VEC_* macros operating on appropriately typed vectors, or to
3494 malloced arrays when the size is known in advance. Const-ify
3495 many char* variables and function arguments. No functional changes.
3496 * Makefile.in (build/varray.o): Delete rule.
3497 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3498 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3500 2006-01-22 Zack Weinberg <zackw@panix.com>
3502 * gensupport.c: Define get_insn_name and record_insn_name here.
3503 (read_md_rtx): Call record_insn_name as appropriate.
3504 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3505 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3506 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3508 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3509 (BUILD_VARRAY): Delete.
3510 (genprognormal): Rename genprogmd. Fold in all programs from
3511 genprognoprint; also attrtab.
3512 (build/genattrtab): Just mention genautomata.o and varray.o.
3513 Reorganize a bit, add comments to make the categories clearer.
3515 2006-01-22 Zack Weinberg <zackw@panix.com>
3517 * genconditions.c (condition_table, add_condition): Delete.
3518 (write_conditions): Don't emit n_insn_conditions nor
3519 insn_elision_unavailable. Issue the gcc version #ifdef here,
3520 inside the table, with no #else clause ...
3521 (write_header): ...not here.
3522 (write_writer): New function.
3523 (main): Don't initialize condition_table. Use add_c_test.
3525 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3526 files on the command line.
3527 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3528 Return -1 if there is no entry in the table, don't abort.
3529 (add_c_test, traverse_c_tests): New functions.
3530 * gensupport.h (insn_elision_unavailable, insn_conditions)
3531 (n_insn_conditions): Delete declarations.
3532 (add_c_test, traverse_c_tests): Declare.
3533 * read-rtl.c: Include gensupport.h.
3534 (read_conditions): New function.
3535 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3536 (read_rtx_1): If we get EOF when we were looking for an initial
3537 open paren, return 0. Call read_conditions when appropriate.
3538 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3539 dummy-conditions.o. Eliminate references to insn-conditions.o,
3540 or change them to build/gencondmd.o, as appropriate. Remove
3541 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3542 from $(simple_generated_c). For all files remaining in those
3543 two lists, add insn-conditions.md to the generator command line.
3544 Give insn-constants.h/s-constants their own rules. Add rules
3545 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3546 (build/read-rtl.o): Depend on gensupport.h.
3547 (genprognormal): Include preds.
3548 (genprogearly): Rename genprognoprint; only difference is now that
3549 they don't link with $(BUILD_PRINT).
3550 * dummy-conditions.c: Delete.
3552 2006-01-22 Zack Weinberg <zackw@panix.com>
3554 * genextract.c: Don't include insn-config.h. Do include vec.h.
3555 Declare vectors of int, char, and locstr.
3556 (locstr): New typedef.
3557 (struct extraction): Make all array fields into bare pointers.
3558 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3559 (insn_code_number): Delete.
3560 (accum_extract): New struct.
3561 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3562 (gen_insn): Take insn_code_number as an argument. Use an
3563 accum_extract structure instead of loading data directly into
3564 a struct extraction, and having to know how big it might get.
3565 (walk_rtx): Operate entirely on an accum_extract structure.
3566 (print_path): Avoid unnecessary use of printf.
3567 (print_header): New function, split out of main. Distinguish
3568 more carefully between an unrecognizable insn and an insn that
3569 has the code number of a define_expand.
3570 (main): Pass insn_code_number to gen_insn. Call print_header
3571 only after parsing. Avoid unnecessary use of printf.
3572 * Makefile.in (build/vec.o): New rule.
3573 (build/genextract): Depend on build/vec.o.
3574 (build/genextract.o): Don't depend on insn-config.h.
3576 2006-01-22 Zack Weinberg <zackw@panix.com>
3578 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3579 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3580 practical. Eliminate per-generator-program link rules.
3582 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3585 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3586 with a call expr to ...
3587 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3589 2006-01-23 Richard Guenther <rguenther@suse.de>
3591 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3592 before make_edge with conditional EDGE_TRUE_VALUE.
3594 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3595 Jan Hubicka <jh@suse.cz>
3596 Richard Guenther <rguenther@suse.de>
3598 PR rtl-optimization/25654
3599 * cfgexpand.c (aggregate_contains_union_type): New function.
3600 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3601 for structure variables that contain a union type.
3603 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3605 * gengtype.c (new_structure): Return the structure.
3606 (create_option): Add an extra "next" argument.
3607 (create_field): New function.
3608 (adjust_field_rtx_def): Use create_option and create_field.
3609 Remove a now-unnecessary call to find_structure.
3610 (adjust_field_tree_def): Likewise.
3611 (note_yacc_type): Remove an unnecessary call to find_structure.
3612 * gengtype.h (new_structure): Return the structure.
3613 (create_option): Add an extra argument.
3614 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3615 (option): Adjust calls to create_option.
3617 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3619 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3621 2006-01-22 Paul Brook <paul@codesourcery.com>
3622 Peter Barada <peter@the-baradas.com>
3624 * config/m68k/m68k.md: Add Coldfire FPU support.
3625 Define FP mode macro and associated attributes.
3626 Use it for float mode patterns.
3627 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3628 (LIBCALL_VALUE): Use m68k_libcall_value.
3629 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3630 (m68k_function_value): Ditto.
3631 (emit_move_sequence): Ditto.
3632 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3633 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3634 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3635 (MULTILIB_EXCEPTIONS): Ditto.
3636 * config/m68k/m68k.opt: Add mcfv4e.
3637 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3638 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3639 (m68k_output_function_prologue): Save ColdFire FPU registers.
3640 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3641 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3642 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3643 ColdFire FPU registers.
3644 (m68k_libcall_value, m68k_function_value): New functions.
3645 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3646 (LIBCALL_VALUE): Use m68k_libcall_value.
3647 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3648 (MASK_COLDFIRE): Add MASK_CFV4E.
3649 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3650 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3651 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3652 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3653 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3654 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3655 * doc/invoke.tex: Document -mcfv4e on m68k.
3657 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3659 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3662 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3665 * c-opts.c (c_common_handle_option): Don't include
3666 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3667 * doc/invoke.texi (C++ Dialect Options): Document that
3668 -Wnon-virtual-dtor is no longer included in -Wall.
3670 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3672 * gcov.c (print_version), gcov-dump.c (print_version),
3673 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3676 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3678 * df-scan.c (problem_SCAN): Added NULL reset function.
3679 (df_scan_reset_blocks): Added code to call reset block function
3680 (df_bb_refs_delete) Fixed comment.
3681 (df_insn_refs_delete): Made tolerant of deleting non existent info
3682 for dataflow problems that need to be reset.
3683 * df-core.c (df_set_blocks): Ditto.
3684 * df.h (struct df_problem): Added reset_fun.
3685 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3686 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3687 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3688 functions to clear out all references to def-use or use-def chains.
3690 2006-01-21 Ben Elliston <bje@au.ibm.com>
3692 * varasm.c (assemble_real): Initialise data array.
3694 2006-01-20 Paul Brook <paul@codesourcery.com>
3696 Merge from csl-arm-branch.
3697 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3698 * config/arm/arm.md (movdi): Force operands[1] to a register
3699 if we have a non-register source.
3700 (*arm_movdi, *movdf_soft_insn): Require that one of the
3701 operands be a register.
3702 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3703 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3705 2006-01-20 DJ Delorie <dj@redhat.com>
3707 * varasm.c (initialize_constant_valid_p): Allow pointers
3708 initialized from integer constants of lesser precision.
3709 (output_constant): Allow non-int-sized pointer modes to be
3710 initialized from integer constants.
3712 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3715 * cppdefault.h (struct default_include): Add multilib flag.
3716 * cppdefault.c (cpp_include_defaults): Set it.
3717 * c.opt (-imultilib): New option.
3718 * c-opts.c (imultilib): New.
3719 (c_common_handle_option): Handle -imultilib.
3720 (c_common_post_options): Likewise.
3721 * c-incpath.c (add_standard_paths, register_include_chains):
3723 * c-incpath.h (register_include_chains): Add extra parameter.
3724 * gcc.c (do_spec_1): Generate -imultilib option.
3725 (The Specs Language): Update %I description.
3726 (process_command): Update copyright notice.
3727 * doc/cppopts.texi (-imultilib): Document.
3728 * doc/invoke.texi (-imultilib): Include in option summary.
3729 (%I): Update specs documentation.
3731 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3733 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3735 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3737 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3740 2006-01-20 Richard Guenther <rguenther@suse.de>
3741 Steven Bosscher <stevenb.gcc@gmail.com>
3743 PR rtl-optimization/24626
3744 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3745 EDGE_TRUE_VALUE if in RTL mode.
3748 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3749 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3751 2006-01-20 Dirk Mueller <dmueller@suse.com>
3754 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3755 instead of a special NOP marker.
3756 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3757 NOP marker handling.
3758 * c-common.h (empty_body_warning): Add forward declaration.
3759 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3760 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3762 2006-01-20 Paul Brook <paul@codesourcery.com>
3764 * Makefile.in (lang_checks): Keep going if mkdir fails.
3766 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3768 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3769 be able to clean out basic block when not necessary.
3770 (df_scan_free): Fixed to properly delete information if df is
3771 unused before calling df_finish.
3772 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3773 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3775 (df_bb_refs_delete): New function.
3776 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3777 * df-core.c (df_set_blocks): Added code to properly clean out
3778 unused blocks if they are not part of the blocks to consider.
3779 Added additional null check.
3780 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3781 be able to clean out basic block when not necessary
3782 * df.h (df_free_bb_function): Ditto.
3783 (df_bb_refs_delete): New function.
3784 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3785 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3786 basic block parameter to be able to clean out basic block when not
3788 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3789 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3790 Fixed to properly delete information if df is unused before
3793 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3795 PR rtl-optimization/25799
3796 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3797 Corrected confluence operator to remove bits from op2 before oring
3798 with op1 rather than removing bits from op1.
3799 (df_ru_transfer_function): Corrected test on wrong bitmap which
3800 caused infinite loop. Both of these problems were introduced in
3801 the dataflow rewrite.
3803 2006-01-19 DJ Delorie <dj@redhat.com>
3805 * reload1.c (find_reload_regs): Note the details of reload
3806 failures in the dump file.
3807 (spill_failure): Likewise.
3809 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3811 * loop-iv.c: Include df.h and hashtab.h.
3812 (enum iv_grd_result): New enum.
3813 (DF_REF_IV, DF_REF_IV_SET): New macros.
3814 (struct biv_entry): New.
3815 (df, bivs): New global variables.
3816 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3817 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3819 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3820 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3821 analyzed_for_bivness_p, record_biv): New functions.
3822 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3823 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3824 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3826 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3828 (iv_number_of_iterations): Use new interface to iv analysis.
3829 * loop-unroll.c: Do not include varray.h.
3830 (analyze_iv_to_split_insn): Use new interface to iv
3832 * loop-unswitch.c (may_unswitch_on): Ditto.
3833 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3835 (df_bb_modify): Realloc tables to the new index.
3836 (df_find_use): New function.
3837 * df.h (df_find_use): Declare.
3838 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3840 * cfgloop.h (struct rtx_iv): Remove analysed field.
3841 (iv_get_reaching_def): Removed.
3842 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3843 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3844 (loop-iv.o): Add df.h and hashtab.h dependency.
3845 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3847 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3850 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3852 (__floatundisf, __floatundidf): Likewise.
3853 * libgcc2.h (IS_IBM_EXTENDED): Define.
3855 2006-01-19 DJ Delorie <dj@redhat.com>
3857 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3859 2006-01-19 Paul Brook <paul@codesourcery.com>
3861 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3862 as nothrow when unwinding tables are disabled.
3864 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3867 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3868 of bit-field" when in system header.
3870 2006-01-19 DJ Delorie <dj@redhat.com>
3872 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3873 the 16 bit shift limit of the m16c.
3875 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3878 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3879 * config/i386/i386.c (output_set_got): Output the label if we have one
3880 for the TARGET_DEEP_BRANCH_PREDICTION case.
3882 2006-01-19 Jan Hubicka <jh@suse.cz>
3883 H.J. Lu <hongjiu.lu@intel.com>
3884 Evandro Menezes <evandro.menezes@amd.com>
3886 * invoke.texi (generic): Document
3888 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3889 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3890 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3891 (x86_use_incdec, x86_pad_returns): New variables
3892 (TARGET_CPU_DEFAULT_generic): New constant
3893 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3894 (enum processor_type): Add generic32 and generic64.
3895 * i386.md (cpu attribute): Add generic32/generic64
3896 (movhi splitter): Behave sanely when both partial_reg_dependency and
3897 partial_reg_stall are set.
3898 (K8 splitters): Enable for generic as well.
3899 * predicates.md (incdec_operand): Use TARGET_INCDEC
3900 (aligned_operand): Avoid memory mismatch stalls.
3901 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3902 * ppro.md: Enable for generic32
3903 * i386.c (generic64_cost, generic32_cost): New.
3904 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3905 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3906 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3907 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3908 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3909 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3910 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3911 x86_accumulate_outgoing_args, x86_prologue_using_move,
3912 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3913 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3915 (x86_use_incdec, x86_pad_returns): New.
3916 (override_options): Add generic32 and generic64, translate "generic"
3917 to generic32/generic64 and "i686" to "generic32", refuse
3918 "generic32"/"generic64" as arch target.
3919 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3920 (ix86_reorg): Honor PAD_RETURNS.
3922 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3924 * tree-pretty-print.c (dump_generic_node): Handle
3925 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3926 * cgraph.c (cgraph_expand_queue): Rename from
3927 cgraph_analyze_queue. Update all users.
3928 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3929 cgraph_expand_queue.
3930 (cgraph_expand_all_functions): Likewise.
3931 (cgraph_finalize_pending_functions): Remove. Update callers.
3933 * tree.h (OMP_DIRECTIVE_P): Define.
3934 (OMP_PARALLEL_FN): Define.
3935 (OMP_PARALLEL_DATA_ARG): Define.
3936 (OMP_SECTIONS_SECTIONS): Define.
3937 * tree-pass.h (pass_expand_omp): Declare.
3938 * omp-low.c (struct omp_region): Declare.
3939 (struct omp_context): Remove fields 'parallel_type',
3940 'parallel_start_ix' and 'parallel_start_additional_args'.
3942 (struct omp_for_data): Rename from struct expand_omp_for_data.
3943 (omp_regions): New static variable.
3944 (root_omp_region): New static variable.
3945 (find_omp_clause): Make static.
3946 (is_in_combined_parallel_ctx): Remove.
3947 (is_combined_parallel): New.
3948 (extract_omp_for_data): Move earlier in the file.
3949 (workshare_safe_to_combine_p): New.
3950 (get_ws_args_for): New.
3951 (determine_parallel_type): Move earlier in the file.
3952 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3954 (omp_copy_decl): Likewise.
3955 (create_omp_child_function): Likewise.
3956 (lookup_omp_region): New.
3957 (dump_omp_region): New.
3958 (debug_omp_region): New.
3959 (debug_all_omp_regions): New.
3960 (new_omp_region): New.
3961 (scan_omp_parallel): If parallel_nesting_level > 1, the
3962 directive is nested within another parallel directive.
3963 Set OMP_PARALLEL_FN.
3964 (scan_omp_for): Do not try to handle combined parallel+for
3966 Remove FIXME comment.
3967 (scan_omp_nested): Remove.
3968 (scan_omp_1): Do not call scan_omp_nested when
3969 parallel_nesting_level is > 1.
3970 Do not change the DECL_CONTEXT of local variables found.
3971 (lookup_decl_in_outer_ctx): New.
3972 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3973 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3974 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3975 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3976 If CTX is nested, lookup VAR in the outer context when
3977 building copy assignment.
3978 (lower_send_clauses): Rename from expand_send_clauses.
3979 If CTX is nested, lookup VAR in the outer context when
3980 building copy assignments.
3981 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3982 If CTX is nested, lookup VAR in the outer context when
3983 building copy assignments.
3984 (expand_parallel_call): Rename from build_parallel_call.
3985 Handle combined parallel+workshare cases.
3986 Re-implement to emit code into the CFG.
3988 (expand_omp_parallel): Re-implement to emit code into the CFG.
3989 Call move_sese_region_to_fn to outline the sub-graph
3990 containing the parallel region.
3991 (expand_omp_for_1): Remove.
3992 (expand_omp_for_generic): Re-implement to emit code into the
3994 (expand_omp_for_static_nochunk): Likewise.
3995 (expand_omp_for_static_chunk): Likewise.
3996 (expand_omp_for): Likewise.
3997 (expand_omp_sections): Likewise.
3998 (remove_exit_barriers): New.
3999 (expand_omp_synch): New.
4001 (build_omp_regions_1): New.
4002 (build_omp_regions): New.
4003 (execute_expand_omp): New.
4004 (gate_expand_omp): New.
4005 (pass_expand_omp): Define.
4006 (lower_omp_sections): Rename from expand_omp_sections.
4007 Set OMP_SECTIONS_SECTIONS.
4008 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4009 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4010 (lower_omp_single): Rename from expand_omp_simple.
4011 (lower_omp_master): Rename from expand_omp_master.
4012 (lower_omp_ordered): Rename from expand_omp_ordered.
4013 (lower_omp_critical): Rename from expand_omp_critical.
4014 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4015 (lower_omp_for): Re-implement.
4016 (lower_omp_parallel): Re-implement.
4017 (lower_regimplify): Rename from expand_regimplify.
4018 (lower_omp_1): Rename from expand_omp_1.
4019 If there are syntax errors in the program, replace every
4020 OpenMP directive with NOP.
4021 Call lower_omp_* instead of expand_omp_*.
4022 (lower_omp): Rename from expand_omp.
4024 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4025 * tree-gimple.h (enum omp_parallel_type): Remove.
4026 (gimple_boolify): Declare extern.
4027 (find_omp_clause, determine_parallel_type): Remove.
4029 * gimple-low.c (lower_omp_directive): New.
4030 (lower_stmt): Call it.
4031 (record_vars_into): Move from ...
4032 (record_vars): ... here.
4033 Call record_vars_into with current_function_decl.
4035 * gimplify.c (struct gimplify_ctx): Remove fields
4036 combined_pre_p and combined_ctxp. Update users.
4037 (get_formal_tmp_var): Add documentation.
4038 (gimple_boolify): Make extern.
4039 (gimplify_expr_in_ctx): Remove. Update callers.
4040 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4041 will always be a BIND_EXPR.
4042 (gimplify_expr): Handle OMP_RETURN_EXPR.
4043 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4044 (OMP_PARALLEL): Add 3 operands.
4045 (OMP_SECTIONS): Add 1 operand.
4046 (OMP_RETURN_EXPR): Define.
4048 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4049 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4050 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4051 creating a circular free list.
4052 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4054 * tree-flow.h (move_sese_region_to_fn): Declare.
4055 (record_vars_into): Declare.
4056 * tree-cfg.c (make_omp_sections_edges): New.
4057 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4058 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4059 OMP_SECTIONS and OMP_SECTION.
4060 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4061 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4062 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4063 (gather_blocks_in_sese_region): New.
4064 (struct move_stmt_d): Declare.
4066 (move_block_to_fn): New.
4067 (move_sese_region_to_fn): New.
4069 * passes.c (init_optimization_passes): Schedule
4070 pass_expand_omp after pass_init_datastructures.
4072 * tree-ssa-operands.c (get_expr_operands): Handle
4073 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4074 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4076 2006-01-19 Jeff Law <law@redhat.com>
4078 * tree-vrp.c (extract_range_from_assert): Refine the result range
4079 if the variable referenced by the ASSERT_EXPR has a range and
4080 either the tentative result range or the previous range is a
4083 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4085 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4087 2006-01-19 Jan Hubicka <jh@suse.cz>
4089 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4091 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4093 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4094 (expand_compound_operation, expand_field_assignment): Fail if the
4095 bit lengths of an extract operation are out of range.
4096 (make_extraction): Compute wanted_inner_mode based on the position
4097 and length of the extraction. Make it extraction_mode for non-constant
4098 positions, and do not modify offset in that case. When generating a
4099 new MEM, use a mode that can hold the extraction while keeping correct
4100 alignment. Remove code that supported MEMs wrapped by USEs.
4101 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4103 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4105 * config/s390/s390.md ("Y", "y"): New mode attribute.
4106 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4107 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4108 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4109 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4110 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4111 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4112 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4113 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4114 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4115 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4116 "addsi3", "subsi3"): Insn patterns removed.
4117 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4118 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4119 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4120 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4121 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4122 "*sub<mode>3_cconly2"): New insn patterns.
4123 ("addsi3", "subsi3"): New expanders.
4125 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4127 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4128 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4129 existing STMT_VINFO_VECTYPE if available.
4130 (vect_mark_relevant): Add special handling for stmts that are
4131 marked as STMT_VINFO_IN_PATTERN_P.
4132 (vect_analyze_loop): Call vect_pattern_recog.
4133 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4134 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4136 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4137 (vect_recog_func_ptr): New function-pointer type.
4138 * tree-vect-patterns.c: New file.
4139 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4140 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4141 (vect_pattern_recog_1): New functions.
4142 (vect_pattern_recog_funcs): New array of function pointers.
4144 * tree-vectorizer.h (ternary_op): New enum value.
4145 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4146 declaration. Revised documentation. Removed redundant dump prints.
4147 Removed redundant argument. Added support for reduction patterns.
4148 (vectorizable_reduction): Added support for reduction patterns.
4149 (vect_transform_stmt): Added support for patterns.
4151 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4152 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4153 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4154 (expand_widen_pattern_expr): New function.
4155 (init_optabs): Initialize new optabs udot_prod_optab,
4157 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4158 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4159 (expand_widen_pattern_expr): New function declaration.
4160 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4162 * tree-inline.c (estimate_num_insns_1): Added cases for new
4163 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4164 * tree-pretty-print.c (dump_generic_node): Likewise.
4165 (op_prio): Likewise.
4166 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4167 * tree-ssa-operands.c (get_expr_operands): Added case for
4169 * tree-vect-patterns.c (widened_name_p): New function.
4170 (vect_recog_dot_prod_pattern): Added function implementation.
4171 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4172 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4173 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4174 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4176 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4177 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4178 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4179 (init_optabs): Initialize new optabs widen_ssum_optab,
4181 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4182 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4183 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4184 use instead of type of def.
4185 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4186 function implementation.
4187 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4188 widen_ssumv8hi): New.
4190 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4193 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4196 * c-decl.c (add_flexible_array_elts_to_size): New function.
4197 (finish_decl): Use it.
4199 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4201 * diagnostic.h: Include options.h.
4202 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4203 dependancies for diagnostic.h.
4204 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4206 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4208 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4209 (ssa_ro_call_cache_valid): Ditto.
4210 * tree-ssa-alias.c (sort_tags_by_id): New function.
4211 (init_transitive_clobber_worklist): Ditto.
4212 (add_to_worklist): Ditto.
4213 (mark_aliases_call_clobbered): Ditto.
4214 (compute_tag_properties): Ditto.
4215 (set_initial_properties): Ditto.
4216 (compute_call_clobbered): Ditto.
4217 (compute_may_aliases): Call compute_call_clobbered and grouping.
4218 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4219 (compute_flow_insensitive_aliasing): Grouping now happens in our
4221 (setup_pointers_and_addressables): Remove clobbering related code.
4222 (add_may_alias): Ditto.
4223 (replace_may_alias): Ditto.
4224 (get_nmt_for): Ditto.
4225 (create_global_var):
4226 (is_escape_site): Return an escape_type enumeration.
4227 * tree-flow-inline.h (is_call_clobbered): Global var does not
4228 imply call clobbered.
4229 (mark_call_clobbered): Take a reason for marking this. Remove
4230 marking of globalness, and cache invalidation.
4231 (clear_call_clobbered): Remove cache invalidation code.
4232 * tree-dfa.c (dump_variable): If details is on, dump the reason
4234 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4236 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4237 (struct var_ann_d): Ditto.
4238 (enum escape_type): New.
4239 (mark_call_clobbered): Adjust prototype.
4240 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4241 are never call clobbered.
4242 Record reasons for escaping.
4243 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4244 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4245 (ssa_ro_call_cache_valid): Ditto.
4246 (clobbered_v_may_defs): Ditto.
4247 (clobbered_vuses): Ditto.
4248 (ro_call_vuses): Ditto.
4249 (clobber_stats): New.
4250 (init_ssa_operands): Zero out clobber stats.
4251 (fini_ssa_operands): Print out clobber stats.
4252 (get_call_expr_operands): Pass callee fndecl to
4254 (add_call_clobber_ops): Remove use of cache.
4255 Add use of PURE_CONST information.
4256 (add_call_read_ops): Remove use of cache.
4257 Add use of static not_read information.
4259 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4261 Introduce TLS descriptors for i386 and x86_64.
4262 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4263 (TARGET_ANY_GNU_TLS): New macro.
4264 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4265 (struct machine_function): Add tls_descriptor_call_expanded_p.
4266 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4267 (ix86_current_function_calls_tls_descriptor): Likewise.
4268 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4269 (override_options): Introduce gnu2 tls dialect.
4270 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4272 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4274 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4275 (ix86_init_machine_status): Initialize new field.
4276 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4277 (ix86_tls_module_base): New.
4278 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4279 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4280 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4281 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4282 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4283 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4284 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4285 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4286 * config/i386/predicates.md (tls_modbase_operand): New.
4287 (tp_or_register_operand): New.
4289 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4291 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4292 (look_for_address_of): Ditto.
4293 (ipa_init): Walk the function decls.
4294 (static_execute): Don't set readonly on FUNCTION_DECL's.
4296 2006-01-18 Roger Sayle <roger@eyesopen.com>
4298 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4299 for shifts where the source and destination registers are different.
4301 2006-01-18 Paul Brook <paul@codesourcery.com>
4303 Merge from csl-arm-branch.
4304 2005-03-14 Julian Brown <julian@codesourcery.com>
4305 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4306 (aeabi_llsl): Likewise.
4307 (ashrdi3): Likewise.
4308 (aeabi_lasr): Likewise.
4309 (lshrdi3): Likewise.
4310 (aeabi_llsr): Likewise.
4311 2005-03-10 Julian Brown <julian@codesourcery.com>
4312 * config.gcc: Disable shared libgcc for SymbianOS.
4313 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4315 2006-01-18 DJ Delorie <dj@redhat.com>
4317 * c-pragma.c (handle_pragma_diagnostic): New.
4318 (init_pragma): Register it.
4319 * doc/extend.texi: Document it.
4321 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4322 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4323 (diagnostic_context): Add classify_diagnostic[].
4324 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4325 as errors if they're overridden to DK_WARNING.
4326 (diagnostic_initialize): Initialize classify_diagnostic[].
4327 (diagnostic_set_kind_override): New.
4328 (diagnostic_report_diagnostic): Check for kind changes.
4329 * opts.c (common_handle_option): Take lang_mask. Update callers.
4331 * common.opt (Werror=): New.
4332 * doc/invoke.texi: Document -Werror=*
4334 2006-01-18 Jeff Law <law@redhat.com>
4336 * tree-vrp.c (test_for_singularity): Correct test for new
4337 min limit. Use operand_equal_p rather than pointer equality
4338 for testing if new min/max values are equal.
4340 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4341 using range information until after propagation and folding.
4343 2006-01-18 Richard Henderson <rth@redhat.com>
4344 Aldy Hernandez <aldyh@redhat.com>
4345 Jakub Jelinek <jakub@redhat.com>
4346 Diego Novillo <dnovillo@redhat.com>
4348 * omp-low.c: New file.
4349 * c-omp.c: New file.
4351 2006-01-18 Richard Henderson <rth@redhat.com>
4352 Jakub Jelinek <jakub@redhat.com>
4353 Diego Novillo <dnovillo@redhat.com>
4355 * doc/invoke.texi: Document -fopenmp.
4356 * tree-dump.h (debug_function): Declare.
4357 * hooks.c (hook_bool_tree_bool_false): New function.
4358 (hook_tree_tree_null): Remove.
4359 (hook_tree_tree_tree_null): New.
4360 * hooks.h: Update to match.
4361 * tree-pretty-print.c (debug_tree_chain): New.
4362 (print_generic_expr): Handle TDF_CHAIN.
4363 (dump_generic_node): Handle BLOCK.
4364 Do not abort with incomplete SWITCH_EXPRs.
4365 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4366 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4367 print space after directive name.
4368 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4369 Handle OMP_MASTER and OMP_ORDERED.
4370 Handle printing of OMP_BODY just in one place, goto
4371 dump_omp_body in the rest of OMP_* nodes that have
4373 Don't handle clause nodes here. Update omp statements to
4374 use dump_omp_clauses.
4375 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4376 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4377 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4378 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4379 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4380 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4381 Adjust output for GOMP_PARALLEL.
4382 (dump_omp_clauses): New.
4383 (print_declaration): Dump DECL_VALUE_EXPR.
4384 (op_symbol_1): Split out of op_symbol.
4385 (dumping_stmts): Remove. Update all users.
4386 * cgraph.c (cgraph_analyze_queue): New.
4387 (cgraph_add_new_function): New.
4388 * cgraph.h (cgraph_analyze_queue): Declare.
4389 (cgraph_add_new_function): Declare.
4390 (cgraph_lower_function): Remove.
4391 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4392 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4393 and TYPE_P nodes in its default clause.
4394 (empty_body_p): New.
4395 (tree_range_check_failed): New.
4397 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4398 OMP_CLAUSE_REDUCTION_MERGE,
4399 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4400 OMP_CLAUSE_PRIVATE_DEBUG,
4401 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4402 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4403 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4404 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4405 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4406 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4407 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4408 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4409 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4410 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4411 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4412 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4413 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4414 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4415 (TREE_RANGE_CHECK): New.
4416 (empty_body_p): Declare.
4417 (enum omp_clause_default_kind): New.
4418 (build_string_literal): Declare.
4419 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4420 (build5_stat, build5): Declare.
4421 * tree-pass.h (TDF_CHAIN): Define.
4422 * tree-pass.h (PROP_gimple_lomp): Define.
4423 (pass_lower_omp): Declare.
4424 * diagnostic.h (debug_tree_chain): Declare.
4425 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4427 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4428 * builtins.c (build_string_literal): Make extern.
4429 * gcc.c (include_spec_function): New.
4430 (static_spec_functions): Add it.
4431 (main): Move load of libgomp.spec ...
4432 (LINK_COMMAND_SPEC): ... here.
4433 (link_gomp_spec): New.
4434 (static_specs): Include it.
4435 (LINK_COMMAND_SPEC): Add link_gomp.
4436 (GOMP_SELF_SPECS): New.
4437 (driver_self_specs): Include it.
4438 (switch_matches): Don't mark inline.
4439 (main): Load libgomp.spec.
4440 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4441 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4442 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4443 * tree-gimple.h (enum omp_parallel): Declare.
4444 (determine_parallel_type): Declare.
4445 (omp_firstprivatize_variable): Declare.
4446 (omp_reduction_init): Declare.
4447 (diagnose_omp_structured_block_errors): Declare.
4448 (struct walk_stmt_info): Add want_return_expr.
4449 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4450 (find_omp_clause): Declare.
4451 (insert_field_into_struct): Declare.
4452 (struct walk_stmt_info): Move from tree-nested.c
4453 (walk_stmts): Declare.
4454 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4456 * cgraphunit.c (cgraph_lower_function): Make static.
4457 (cgraph_finalize_pending_functions): New.
4458 (cgraph_finalize_function): Call it.
4459 (cgraph_finalize_compilation_unit): Likewise.
4460 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4461 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4462 (BT_FN_UINT_UINT): New.
4463 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4464 DEF_FUNCTION_TYPE_VAR_4): Document.
4465 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4466 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4467 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4468 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4469 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4470 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4471 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4472 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4473 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4474 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4475 into separate files.
4476 (DEF_GOMP_BUILTIN): New.
4477 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4478 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4479 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4480 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4481 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4482 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4483 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4484 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4485 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4486 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4487 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4488 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4489 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4490 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4491 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4492 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4493 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4494 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4495 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4496 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4497 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4498 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4499 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4500 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4501 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4502 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4503 * sync-builtins.def: New file, moved from builtins.def.
4504 * omp-builtins.def: New file, moved from builtins.def.
4505 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4506 * gimple-low.c (lower_function_body): Clear data.
4507 (lower_stmt): Do not handle COMPOUND_EXPR.
4508 Remove call to print_node_brief.
4509 * c-tree.h (c_finish_omp_clauses): New prototype.
4510 (C_DECL_THREADPRIVATE_P): Define.
4511 (lookup_name_no_remap, c_omp_remap_private): Remove
4512 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4513 (check_for_loop_decls): Update decl.
4514 (lookup_name_no_remap, c_omp_remap_private): Declare.
4515 (build_indirect_ref, build_modify_expr, pushdecl,
4516 pushdecl_top_level): Move to c-common.h.
4517 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4518 before the switch, but just in the 2 places that need it.
4519 * c-decl.c (diagnose_mismatched_decls): Do not check for
4520 mismatched thread-local attributes when OLDDECL is marked
4521 threadprivate and NEWDECL has no thread-local attributes.
4522 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4523 (c_gimple_diagnostics_recursively): Rename from
4524 c_warn_unused_result_recursively. Invoke
4525 diagnose_omp_structured_block_errors.
4526 (check_for_loop_decls): Return a singular decl found.
4527 * langhooks.c (lhd_omp_predetermined_sharing): Return
4528 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4529 (lhd_omp_firstprivatize_type_sizes): New.
4530 (lhd_omp_assignment): New.
4531 (lhd_omp_predetermined_sharing): New.
4532 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4533 (struct lang_hooks_for_types): Add
4534 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4535 omp_predetermined_sharing, omp_disregard_value_expr,
4536 omp_private_debug_clause, omp_clause_default_ctor,
4537 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4538 (c_finish_omp_clauses): New.
4539 (c_finish_bc_stmt): Diagnose break within omp for.
4540 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4541 (build_unary_op): Return error_mark after reporting
4543 (build_modify_expr): Likewise.
4544 * gimplify.c: Include optabs.h and pointer-set.h.
4545 (enum gimplify_omp_var_data): Declare.
4546 (struct gimplify_omp_ctx): Declare.
4547 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4549 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4550 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4551 (splay_tree_compare_decl_uid): New.
4552 (new_omp_context): New.
4553 (delete_omp_context): New.
4554 (gimple_add_tmp_var): Call omp_add_variable.
4555 (gimplify_bind_expr): Likewise.
4556 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4557 true, disregard DECL_VALUE_EXPR on the decl if any.
4558 (gimplify_expr_in_ctx): New.
4559 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4560 omp_add_variable, omp_notice_variable, omp_is_private
4561 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4562 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4563 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4564 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4565 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4566 gimplify_omp_atomic): New.
4567 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4568 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4569 OMP_CRITICAL and OMP_ATOMIC.
4570 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4571 * c-pragma.h (enum pragma_kind): Add
4572 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4573 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4574 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4575 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4576 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4577 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4578 PRAGMA_OMP_THREADPRIVATE.
4579 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4580 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4581 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4582 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4583 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4584 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4585 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4586 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4587 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4588 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4589 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4590 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4591 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4593 (struct nesting_info): Add field_map,
4594 suppress_expansion, debug_var_chain.
4595 (create_nesting_tree): Initialize them.
4596 (lookup_field_for_decl): Use field_map.
4597 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4598 (convert_local_omp_clauses): New.
4599 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4600 (walk_body): Split out of walk_function.
4601 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4602 (convert_nonlocal_reference): Handle omp statements.
4603 (convert_local_reference): Likewise.
4604 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4605 (unnest_nesting_tree): New.
4606 (lower_nested_functions): Call it.
4607 (insert_field_into_struct): Make extern.
4608 (struct walk_stmt_info): Move to tree-gimple.h.
4609 (walk_stmts): Make extern.
4610 * omp-builtins.def: New file.
4611 * tree-iterator.c (expr_only): Clarify comment.
4612 * c-common.h (pushdecl_top_level, pushdecl,
4613 build_modify_expr, build_indirect_ref,
4614 c_finish_omp_master, c_finish_omp_critical,
4615 c_finish_omp_ordered, c_finish_omp_barrier,
4616 c_finish_omp_atomic, c_finish_omp_flush,
4617 c_finish_omp_for, c_split_parallel_clauses,
4618 omp_clause_default_kind, c_omp_sharing_predetermined,
4619 c_omp_remap_decl): Declare.
4620 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4621 (OBJS-common): Add omp-low.o.
4622 (c-omp.o, omp-low.o): Add.
4623 (gimplify.o): Add dependency on $(OPTABS_H).
4624 (GTFILES): Add omp-low.c.
4625 (gt-stringpool.h): Add.
4626 * tree-cfg.c (set_bb_for_stmt): Do not update the
4627 block-to-labels map if we are currently expanding to RTL.
4628 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4630 Handle IDENTIFIER_NODE.
4631 (tree_verify_flow_info): Do not ICE when emitting error
4632 messages about invalid labels.
4633 (dump_function_to_file): Reset CFUN before emitting the body
4635 (debug_function): New.
4636 * passes.c (init_optimization_passes): Schedule
4638 * langhooks-def.h (lhd_omp_predetermined_sharing,
4639 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4641 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4642 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4643 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4644 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4645 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4646 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4647 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4648 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4649 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4650 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4651 (LANG_HOOK_DECLS): Use them.
4653 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4654 Richard Henderson <rth@redhat.com>
4655 Jakub Jelinek <jakub@redhat.com>
4656 Diego Novillo <dnovillo@redhat.com>
4658 * c-parser.c (pragma_omp_clause): Define.
4659 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4660 (c_parser_compound_statement): Likewise.
4661 (c_parser_statement): Likewise.
4662 (c_parser_pragma): Handle omp pragmas.
4663 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4664 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4665 (c_parser_omp_clause_name, check_no_duplicate_clause,
4666 c_parser_omp_variable_list,
4667 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4668 c_parser_omp_clause_copyprivate,
4669 c_parser_omp_clause_default,
4670 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4671 c_parser_omp_clause_lastprivate,
4672 c_parser_omp_clause_nowait,
4673 c_parser_omp_clause_num_threads,
4674 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4675 c_parser_omp_clause_reduction,
4676 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4677 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4678 c_parser_omp_atomic, c_parser_omp_barrier,
4679 c_parser_omp_critical, c_parser_omp_flush,
4680 c_parser_omp_for_loop, c_parser_omp_for,
4681 c_parser_omp_master, c_parser_omp_ordered,
4682 c_parser_omp_sections_scope, c_parser_omp_sections,
4683 c_parser_omp_parallel, c_parser_omp_single,
4684 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4685 * c-pragma.c (init_pragma): Do omp pragma registration here.
4686 * c.opt (fopenmp): New flag.
4688 2006-01-18 Eric Christopher <echristo@apple.com>
4690 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4691 * config/darwin.h (GOMP_SELF_SPECS): Define.
4693 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4695 * rtl.h: Remove the prototype for reg_alloc.
4697 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4700 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4701 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4702 sjlj and dwarf2 exception handling.
4703 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4704 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4705 * pa/pa.c (function_value): Treat complex and vector types as
4707 (function_arg): Likewise. Only pass scalar floats in the floating
4708 point argument registers.
4709 * pa/t-slibgcc-dwarf-ver: New file.
4710 * pa/t-slibgcc-sjlj-ver: New file.
4711 * pa/t-slibgcc-elf-ver: Delete file.
4713 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4715 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4716 unlikely_test_section_p test.
4718 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4720 * mode-switching.c (optimize_mode_switching): Make it static.
4721 * basic-block.h: Remove the prototype for
4722 optimize_mode_switching.
4724 * modulo-sched.c (sms_schedule): Make it static.
4725 * rtl.h: Remove the prototype for sms_schedule.
4727 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4728 * rtl.h: Remove the prototype for gcse_after_reload_main.
4730 * reg-stack.c (reg_to_stack): Make it static.
4731 * rtl.h: Remove the prototype for reg_to_stack.
4733 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4735 * rtl.h: Remove the prototypes for regrename_optimize and
4736 copyprop_hardreg_forward.
4738 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4740 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4741 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4742 Test against the appropriate null constant for the mode.
4743 If 'fixup_overlap' is true, swap the operands if they overlap.
4744 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4745 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4746 alpha_split_tmode_pair and adjust for above change.
4747 * config/alpha/alpha.md (movtf_internal): Adjust call to
4748 alpha_split_tfmode_pair and rely on it to swap the operands.
4749 (movti_internal): New insn and post-reload splitter.
4750 (movti): New expander.
4752 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4754 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4757 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4759 * rtlanal.c (global_reg_mentioned_p_1,
4760 global_reg_mentioned_p): Remove.
4761 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4763 * flow.c (initialize_uninitialized_subregs): Make it static.
4764 * rtl.h: Remove the prototype for
4765 initialize_uninitialized_subregs.
4767 * function.c (instantiate_virtual_regs): Make it static.
4768 * function.h: Remove the prototype for
4769 instantiate_virtual_regs.
4771 * regmove.c (regmove_optimize, combine_stack_adjustments):
4773 * rtl.h: Remove the prototypes for regmove_optimize and
4774 combine_stack_adjustments.
4776 2006-01-17 Roger Sayle <roger@eyesopen.com>
4778 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4779 (size_cost): Encode costs in bytes so that a reg-reg addition is
4780 equivalent to COSTS_N_INSNS(1).
4781 (override_options): Use the size_cost.branch_cost as the default
4782 ix86_branch_cost when optimizing for size.
4784 2006-01-18 Ben Elliston <bje@au.ibm.com>
4786 * Makefile.in (D32PBIT_FUNCS): New.
4787 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4788 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4789 D64PBIT_FUNCS and D128PBIT_FUNCS.
4790 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4791 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4793 (decnumber_dep): Define.
4794 * doc/libgcc.texi (Decimal float library routines): New node.
4795 * config/dfp-bit.h, config/dfp-bit.c: New files.
4797 2006-01-18 Ben Elliston <bje@au.ibm.com>
4799 * expr.c (emit_move_change_mode): Always adjust addresses, not
4800 just during reload. Copy replacements only during reload.
4801 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4802 emit_move_via_integer.
4804 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4806 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4807 instead of $(srcdir) and ${srcdir}.
4809 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4813 * arm.h (struct machine_function): Add pic_reg.
4814 * arm.c (arm_pic_register): Make unsigned.
4815 (arm_override_options): Only set arm_pic_register if
4816 TARGET_SINGLE_PIC_BASE.
4817 (use_return_insn): Only test for a pic register if it is fixed.
4818 (arm_compute_save_reg0_reg12_mask): Likewise.
4819 (thumb_compute_save_reg_mask): Likewise.
4820 (legitimate_pic_operand): Factor out some known invariants.
4821 (legitimize_pic_address): If we don't have a fixed pic register,
4822 then set up a pseudo in the function entry sequence. Handle the
4823 pic base being in a pseudo.
4824 (arm_load_pic_register): Handle the pic register being in a pseudo.
4825 (arm_expand_prologue): Only set up the pic register if it is fixed.
4826 (thumb_expand_prologue): Likewise.
4827 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4828 (pic_load_addr_based_insn): Likewise.
4829 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4832 2006-01-18 Ben Elliston <bje@au.ibm.com>
4834 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4835 decimal float modes for all floating point registers.
4837 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4838 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4840 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4843 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4844 even when the pointer is not NULL.
4846 2006-01-16 Ian Lance Taylor <ian@airs.com>
4848 * common.opt (ftoplevel-reorder): New option.
4849 * cgraph.c (cgraph_asm_nodes): New global variable.
4850 (cgraph_asm_last_node): New static variable.
4851 (cgraph_order): New global variable.
4852 (cgraph_create_node): Set new order field.
4853 (cgraph_varpool_node): Likewise.
4854 (decide_is_variable_needed): Return true if not
4855 flag_toplevel_reorder.
4856 (cgraph_add_asm_node): New function.
4857 * cgraph.h (struct cgraph_node): Add order field.
4858 (struct cgraph_varpool_node): Add order field.
4859 (struct cgraph_asm_node): Define.
4860 (cgraph_asm_nodes, cgraph_order): Declare.
4861 (cgraph_add_asm_node): Declare.
4862 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4864 (cgraph_varpool_assemble_pending_decls): Call it.
4865 (cgraph_output_pending_asms): New static function.
4866 (cgraph_finalize_compilation_unit): Call it.
4867 (struct cgraph_order_sort): Define.
4868 (cgraph_output_in_order): New static function.
4869 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4870 !flag_toplevel_reorder case.
4871 * c-parser.c: Include "cgraph.h".
4872 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4874 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4875 than -fno-unit-at-a-time.
4876 * doc/invoke.texi (Option Summary): Mention
4877 -fno-toplevel-reorder.
4878 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4879 -funit-at-a-time documentation.
4881 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4882 Kazu Hirata <kazu@codesourcery.com>
4884 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4886 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4888 * Makefile.in (FUNCTION_H): New. Use it instead of
4889 function.h throughout the file.
4890 * function.h: Include tree.h.
4892 2006-01-17 Ben Elliston <bje@au.ibm.com>
4894 * recog.c: Separate some functions with whitespace.
4896 2006-01-16 Richard Henderson <rth@redhat.com>
4898 Merge from gomp branch:
4899 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4900 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4901 and rename from struct inline_data. Rename callee* to dst*;
4902 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4903 transform_new_cfg, transform_return_to_modify, and
4904 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4906 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4907 (copy_decl_for_dup): Remove.
4908 * tree-inline.c (struct inline_data): Move to header.
4909 (insert_decl_map): Export.
4910 (remap_decl): Update for member name changes. Use copy_decl hook.
4911 Allow for replacement to be a non-decl. Remove dead code.
4912 (remap_type_1): Check for existing mapping.
4913 (remap_type): Export.
4914 (remap_decls): Update for member name changes.
4915 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4916 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4917 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4918 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4919 (tree_function_versioning, build_duplicate_type): Likewise.
4920 (copy_body_r): Likewise. Export.
4921 (copy_decl_for_dup): Split into ...
4922 (copy_decl_for_dup_finish, copy_decl_to_var,
4923 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4924 (replace_ref_tree, inlining_p): Remove.
4926 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4928 * ifcvt.c (if_convert): Make it static.
4929 * rtl.h: Remove the prototype for if_convert.
4931 * local-alloc.c (local_alloc): Make it static.
4932 * rtl.h: Remove the prototype for local_alloc.
4934 * loop.c (loop_optimize): Make it static.
4935 * cfgloop.h: Remove the prototype for loop_optimize.
4938 2006-01-16 DJ Delorie <dj@redhat.com>
4940 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4943 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4945 * pa.md: Disparage copies between general and floating-point registers
4946 in 32-bit move patterns.
4948 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4951 * Makefile.in (check-%): Depend on site.exp instead of
4952 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4955 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4957 * global.c (global_alloc): Make it static.
4958 * rtl.h: Remove the prototype for global_alloc.
4960 2006-01-16 Richard Guenther <rguenther@suse.de>
4962 * tree-ssa-alias.c (struct used_part): Add write_only field.
4963 (get_or_create_used_part_for): Initialize it to true.
4964 (create_overlap_variables_for): Don't create structure variables
4965 for structures that only are written to.
4966 (find_used_portions): Handle MODIFY_EXPR to track whether a
4967 structure is only written to.
4969 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4971 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4973 * basic-block.h: Remove the prototype for
4974 partition_hot_cold_basic_blocks.
4976 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4978 * cppspec.c (lang_specific_spec_functions): Remove.
4979 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4980 * gcc.h (lang_specific_spec_functions): Remove.
4981 * gccspec.c (lang_specific_spec_functions): Remove.
4983 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4985 * combine.c (record_value_for_reg): Invalidate registers
4987 (record_dead_and_set_regs_1): Likewise, by passing them to
4988 record_value_for_reg.
4989 (record_dead_and_set_regs): Invalidate stores made by a
4990 call. We do not combine across a call, but we still
4991 relied on equivalences.
4993 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4995 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4996 vrp_int_const_binop returning non-constant nodes.
4998 2006-01-16 Paul Brook <paul@codesourcery.com>
5000 * config/m68k/m68k.c (output_move_const_into_data_reg):
5001 Output correct mnemonic for mvz and mvs.
5003 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5005 * rtl-factoring.c: Add sequence abstraction algorithm.
5006 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5007 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5009 (block_has_preserve_label): New function.
5010 * common.opt: Register new pass.
5011 * Makefile.in: Ditto.
5013 * timevar.def: Ditto.
5014 * tree-pass.h: Ditto.
5015 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5016 * rtl.h (make_jump_insn_raw): Add forward decl.
5017 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5019 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5020 Roger Sayle <roger@eyesopen.com>
5022 * fold-const.c (fold_minmax): New static function.
5023 (fold_binary) <MIN_EXPR>: Call it.
5024 <MAX_EXPR>: Likewise.
5025 * stor-layout.c (place_field): Use DECL_SIZE consistently
5026 in the computation of the new record size.
5028 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5030 * cse.c (cse_condition_code_reg): Make it static.
5031 * rtl.h: Remove the prototype for cse_condition_code_reg.
5033 * combine.c (combine_instructions): Make it static.
5034 * rtl.h: Remove the prototype for combine_instructions.
5036 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5039 * tree.c (get_file_function_name_long): Concatenate the first global
5040 object name with a string derived from the input filename of the object
5043 2006-01-16 Ben Elliston <bje@au.ibm.com>
5045 * config/i386/winnt-stubs.c: Update FSF address.
5046 * config/xtensa/ieee754-df.S: Ditto.
5047 * config/xtensa/ieee754-sf.S: Ditto.
5049 2006-01-14 Ian Lance Taylor <ian@airs.com>
5051 * ifcvt.c (noce_init_if_info): New static function, broken out of
5052 noce_process_if_block.
5053 (noce_process_if_block): Call noce_init_if_info.
5054 (check_cond_move_block): New static function.
5055 (cond_move_process_if_block): New static function.
5056 (process_if_block): Call cond_move_process_if_block.
5058 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5060 * cselib.c (hash_table): Rename to cselib_hash_table.
5061 (cselib_clear_table, discard_useless_values,
5062 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5063 cselib_init, cselib_finish): Adjust uses of hash_table.
5065 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5067 PR tree-optimization/25485
5068 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5069 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5070 is known to be false and true, respectively.
5072 2006-01-14 Richard Guenther <rguenther@suse.de>
5074 PR tree-optimization/22548
5075 PR tree-optimization/22555
5076 PR tree-optimization/22501
5077 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5078 * params.def (salias-max-array-elements): New parameter.
5079 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5080 * doc/invoke.texi (salias-max-array-elements): Document.
5081 * tree-flow-inline.h (var_can_have_subvars): We also handle
5083 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5085 * tree-ssa-structalias.c (params.h): Include.
5086 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5087 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5088 (get_constraint_for): For ADDR_EXPR operating on something
5089 containing an ARRAY_REF, add all subvars to the solution.
5090 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5091 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5092 for creating MUST_DEFs.
5093 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5095 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5097 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5099 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5100 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5101 number_of_iterations_le): New functions.
5102 (number_of_iterations_special): Removed.
5103 (number_of_iterations_exit): Do not use number_of_iterations_special.
5104 * tree.c (unsigned_type_for): Always return integer type.
5106 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5107 Richard Guenther <rguenther@suse.de>
5109 PR rtl-optimization/24257
5110 * gcse.c (find_moveable_store): Only consider a store movable
5111 when the SET_SRC of the insn can be assigned to a register.
5113 2006-01-14 Ian Lance Taylor <ian@airs.com>
5115 * tree.c (tree_not_class_check_failed): New function.
5116 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5117 (tree_not_class_check_failed): Declare.
5119 2006-01-13 Ian Lance Taylor <ian@airs.com>
5121 * reload1.c (do_output_reload): Add assertion rejecting a
5124 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5126 * combine.c (struct reg_stat): Add new fields truncation_label and
5128 (record_value_for_reg): Reset truncated_to_mode.
5129 (record_truncated_value): New function.
5130 (check_promoted_subreg): Call it. Rename to check_conversions.
5131 (combine_instructions): Rename check_promoted_subreg to
5133 (reg_truncated_to_mode): New function.
5134 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5135 (gen_lowpart_or_truncate): New function.
5136 (force_to_mode): Use it instead of gen_lowpart.
5138 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5140 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5141 VAR is a tag, not its type tag.
5143 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5145 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5146 alternatives to match style of other entries.
5147 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5149 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5151 PR tree-optimization/25771
5152 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5155 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5158 * tree-inline.c (declare_return_variable): If the return variable
5159 was marked as a non gimple complex, set the return slot variable
5160 to be a non gimple comple variable.
5162 2006-01-13 Richard Guenther <rguenther@suse.de>
5164 * builtins.c (expand_builtin_sincos): New function.
5165 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5167 (expand_builtin): Expand sincos using expand_builtin_sincos.
5169 2006-01-12 DJ Delorie <dj@redhat.com>
5171 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5172 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5173 so that constant shifts can be split.
5174 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5175 (m32c_valid_pointer_mode): Make static.
5176 (shift_gen_func_for): New.
5177 (m32c_prepare_shift): Use it. Split large const shifts into
5179 * config/m32c/predicates.md (shiftcount_operand): Allow more
5181 (longshiftcount_operand): New.
5182 * doc/md.texi (Machine Constraints): Document In6.
5184 2006-01-13 Ben Elliston <bje@au.ibm.com>
5186 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5187 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5190 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5192 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5193 to try to avoid clobbering pieces of structures when we know
5194 something about the whole structure.
5195 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5197 2006-01-13 Ben Elliston <bje@au.ibm.com>
5199 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5200 return in memory, as this is no limitation is no longer present.
5202 2006-01-12 DJ Delorie <dj@redhat.com>
5204 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5205 mova with fb, and for fb+0 -> An.
5207 * config/m32c/mov.md (peephole2): Fix enabling logic.
5209 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5210 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5211 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5212 FINI_ARRAY_SECTION_ASM_OP): Define.
5214 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5216 (m32c_legitimize_reload_address): New logic to reload FB to An.
5217 (m32c_output_reg_push): Add newline.
5218 (m32c_output_reg_pop): Likewise.
5220 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5222 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5224 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5226 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5228 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5230 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5233 2006-01-11 Ben Elliston <bje@au.ibm.com>
5235 * rtlanal.c (find_reg_note): Assert insn is not null.
5237 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5239 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5242 2006-01-11 Jeff Law <law@redhat.com>
5244 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5246 (mark_threaded_blocks, register_jump_thread): New functions.
5247 (thread_through_all_blocks): Remove unwanted argument. No
5248 longer rely on e->aux to communicate thread target info.
5249 Call mark_threaded_blocks. Release the threaded_blocks
5250 bitmap and threaded_edges vector when complete.
5251 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5252 (threaded_blocks): Remove.
5253 (tree_ssa_dominator_optimize): Remove initialization and
5254 finalization of threaded_blocks. Simplify call to
5255 thread_through_all_blocks.
5256 (thread_across_edge): Call register_jump_thread rather than
5257 storing thread information into e->aux.
5258 (free_all_edge_infos): Simplify now that e->aux is no longer
5259 used to communicate with thread_through_all_blocks.
5260 * tree-flow.h (thread_through_all_blocks): Update prototype.
5261 (register_jump_thread): Prototype.
5263 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5265 * df-core.c (df_compact_blocks, df_bb_replace): Use
5266 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5268 2006-01-11 Richard Guenther <rguenther@suse.de>
5270 PR tree-optimization/25734
5271 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5272 stop propagation after successful propagation to the LHS.
5274 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5276 * basic-block.h (control_flow_graph): Change the type of
5277 x_basic_block_info to VEC(basic_block,gc) *.
5278 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5280 (SET_BASIC_BLOCK): New.
5281 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5282 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5283 * cfgbuild.c (find_basic_blocks): Likewise.
5284 * cfglayout.c (fixup_reorder_chain): Likewise.
5285 * cfgrtl.c (create_basic_block_structure,
5286 rtl_create_basic_block): Likewise.
5287 * ifcvt.c (find_if_case_1): Likewise.
5288 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5291 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5293 * Makefile.in: Removed rotted odf.c entry.
5295 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5298 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5299 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5300 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5301 output pattern modifier, not %e.
5302 * config/cris/cris.c (cris_op_str): Update comment about pattern
5304 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5305 before falling through into...
5306 <case 'E'>: Redefined from old 'e' case.
5308 2006-01-11 Jan Hubicka <jh@suse.cz>
5311 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5313 2006-01-11 Jan Hubicka <jh@suse.cz>
5315 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5316 * i386.c (x86_decompose_lea): Kill.
5317 (ix86_rtx_costs): Kill.
5319 2006-01-11 Jan Hubicka <jh@suse.cz>
5321 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5322 * cgraph.h (cgraph_node): Add inline_decl.
5323 (cgraph_insert_node_to_hashtable): Declare.
5324 (save_inline_function_body): Declare.
5325 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5327 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5328 (cgraph_function_versioning): Update call of tree_function_versioning.
5329 (save_inline_function_body): New function.
5330 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5331 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5332 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5333 (cgraph_default_inline_p): Likewise.
5334 (cgraph_decide_inlining_incrementally): Likewise.
5335 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5336 (copy_bb): Kill saving; do updating of clones.
5337 (copy_cfg_body): Kill saving.
5338 (initialize_inlined-parameters): Likewise.
5339 (expand_call_inline): Likewise.
5341 (tree_function_versioning): New parameter "update_clones".
5342 (inlining_p): Kill saving.
5343 * tree-inline.h (tree_function_versioning): Update prototype.
5344 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5347 2006-01-11 Ian Lance Taylor <ian@airs.com>
5349 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5350 Allow undoing set of machine mode.
5351 (do_SUBST): Use enums instead of is_int.
5352 (do_SUBST_MODE): New function.
5353 (SUBST_MODE): New macro.
5354 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5355 reg and trying to replace reg_regno_rtx with a new register.
5356 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5357 (simplify_set): Use SUBST_MODE.
5358 (distribute_notes): Remove code that tried to update reg notes
5359 for regno_reg_rtx changes.
5361 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5363 PR tree-optimization/23109
5364 PR tree-optimization/23948
5365 PR tree-optimization/24123
5367 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5368 * tree-cfg.c (single_noncomplex_succ): New.
5369 * tree-flow.h (single_noncomplex_succ): Declare it.
5370 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5371 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5372 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5373 insert_bb, register_division_in, insert_reciprocals,
5374 replace_reciprocal, free_bb): New.
5375 (execute_cse_reciprocals_1): Rewritten.
5376 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5377 Do not commit any edge insertion. Always compute dominators and
5378 create the allocation pool.
5379 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5380 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5381 * targhooks.c (default_min_divistions_for_recip_mul): New.
5382 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5383 * passes.c (init_optimization_passes): Run recip after tree loop
5385 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5387 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5388 Kenneth Zadeck <zadeck@naturalbridge.com>
5390 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5391 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5392 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5393 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5394 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5395 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5396 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5397 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5398 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5399 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5400 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5401 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5402 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5403 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5404 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5405 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5406 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5407 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5408 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5409 DF_SCAN_POST_ALLOC): New macros.
5410 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5411 df_free_bb_function, df_local_compute_function, df_init_function,
5412 df_dataflow_function, df_confluence_function_0,
5413 df_confluence_function_n, df_transfer_function,
5414 df_finalizer_function, df_free_function, df_dump_problem_function,
5415 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5416 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5417 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5418 df_urec_bb_info, ) New types.
5419 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5421 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5422 df_analyze_simple_change_some_blocks,
5423 df_analyze_simple_change_one_block, df_compact_blocks,
5424 df_bb_replace, df_bb_regno_last_use_find,
5425 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5426 df_insn_regno_def_p, df_find_def, df_find_use,
5427 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5428 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5429 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5430 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5431 debug_df_chain, df_get_dependent_problem, df_chain_create,
5432 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5433 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5434 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5435 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5436 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5437 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5438 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5439 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5440 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5441 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5442 df_reorganize_refs, df_set_state, df_hard_reg_init,
5443 df_read_modify_subreg_p) New public functions.
5444 * df-core.c: The core dataflow solver and glue routines for rtl
5446 (df_init, df_add_problem, df_set_blocks, df_finish,
5447 df_hybrid_search_forward, df_hybrid_search_backward,
5448 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5449 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5450 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5451 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5452 df_reg_defined, df_find_use, df_reg_used, df_dump,
5453 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5454 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5455 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5456 debug_df_useno, reset_df_after_reload): New functions.
5457 * df-scan.c: The scanning fuctions, once in df.c, completely
5458 rewritten so that they now fully model the functionality of
5459 register usage at the backend.
5460 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5461 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5462 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5463 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5464 df_get_artificial_defs, df_get_artificial_uses,
5465 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5466 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5467 df_refs_delete, df_reorganize_refs, df_set_state,
5468 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5469 df_def_record_1, df_defs_record, df_uses_record,
5470 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5471 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5472 df_record_exit_block_uses, df_hard_reg_init): New functions.
5474 * df-problems.c: Seven concrete dataflow problems that use the
5475 scanning in df-scan.c and are solved by the engine in df-core.c.
5476 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5477 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5478 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5479 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5480 df_ru_free_bb_info, df_ru_alloc,
5481 df_ru_bb_local_compute_process_def,
5482 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5483 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5484 df_ru_transfer_function, df_ru_free, df_ru_dump,
5485 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5486 df_rd_free_bb_info, df_rd_alloc,
5487 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5488 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5489 df_rd_transfer_function, df_rd_free, df_rd_dump,
5490 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5491 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5492 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5493 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5494 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5495 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5496 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5497 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5498 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5499 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5500 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5501 df_urec_mark_reg_use_for_earlyclobber,
5502 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5503 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5504 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5505 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5506 df_chain_create_bb_process_use, df_chain_create_bb,
5507 df_chain_finalize, df_chain_free, df_chains_dump,
5508 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5509 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5510 df_reg_lifetime): New functions.
5511 * df.c: Deleted file.
5512 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5513 consistent with new df api.
5514 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5515 rest_of_handle_sms): Ditto.
5516 * web.c (unionfind_union, union_defs, entry_register, web_main):
5518 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5519 invariant_expr_equal_p, find_defs, check_dependencies,
5520 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5521 free_inv_motion_data, move_loop_invariants): Ditto.
5522 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5523 Update dependencies.
5524 (odf.c): Added defective entry that was deleted later in day.
5525 * sched-deps.c (sched_analyze_1): Ditto.
5527 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5529 * tree-ssa-operands.c (get_expr_operands): Record addressable
5530 variables directly. Do not call add_stmt_operands for CONST_DECLs
5532 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5533 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5535 2006-01-11 Ben Elliston <bje@au.ibm.com>
5537 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5538 function returns true in the positive case.
5540 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5543 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5544 for SI, DI, SF and DF modes. Add alternatives to copy between
5545 general and floating point registers to the 32-bit patterns.
5546 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5547 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5548 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5549 generating 64-bit code.
5550 * config/pa/pa.c (output_move_double): Handle copies between general
5551 and floating registers.
5553 2006-01-10 Stuart Hastings <stuart@apple.com>
5555 * config/i386/i386.md (set_got): Update.
5556 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5557 (builtin_setjmp_receiver): Mach-O support.
5558 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5559 (GOT_SYMBOL_NAME): Define.
5560 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5561 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5562 * config/i386/i386.c (override_options): Revise for Darwin.
5563 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5564 support. (darwin_x86_file_end): New. (output_set_got): Add label
5565 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5566 * config/i386/i386-protos.h (output_set_got): Likewise.
5567 * config/darwin.c (machopic_legitimize_pic_address): Update
5570 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5572 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5573 when MODE isn't BLKmode.
5575 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5577 PR rtl-optimization/25367
5578 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5580 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5583 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5584 for a negative bound.
5586 2006-01-10 Richard Guenther <rguenther@suse.de>
5588 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5589 Never override with anything constraint.
5591 2006-01-10 Jan Beulich <jbeulich@novell.com>
5593 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5594 256 bits when optimize_size.
5596 2006-01-10 Jan Beulich <jbeulich@novell.com>
5598 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5600 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5601 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5604 2006-01-10 Ben Elliston <bje@au.ibm.com>
5606 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5608 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5609 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5610 (USE_FP_FOR_ARG): Reject decimal float modes.
5611 (function_arg_advance): Likewise.
5612 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5613 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5614 point types in AltiVec vectors.
5615 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5616 (rs6000_libcall_value): Likewise.
5618 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5620 * config/xtensa/ieee754-df.S: New file.
5621 * config/xtensa/ieee754-sf.S: New file.
5622 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5623 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5624 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5626 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5628 * config/sh/predicates.md (binary_float_operator,
5629 binary_logical_operator, commutative_float_operator,
5630 equality_comparison_operator, greater_comparison_operator,
5631 less_comparison_operator, logical_operator,
5632 noncommutative_float_operator, shift_operator,
5633 symbol_ref_operand, unary_float_operator): Remove redundant
5636 2006-01-09 Jeff Law <law@redhat.com>
5638 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5639 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5640 now unused arguments. Callers updated.
5641 (eliminate_redundant_computations): Remove now unused arguments,
5643 (local_fold): Remove, no longer used.
5644 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5646 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5647 (simplify_cond): New function.
5648 (forward_propagate_into_cond): Call simplify_cond.
5650 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5652 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5653 (*vec_extractv2di_1_sse): New.
5655 2006-01-09 Ben Elliston <bje@au.ibm.com>
5657 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5659 2006-01-08 Richard Guenther <rguenther@suse.de>
5661 * tree-ssa-structalias.c (get_constraint_for): Remove
5663 (get_constraint_for_component_ref): Likewise.
5664 (do_deref): Likewise.
5665 (get_constraint_for): Likewise.
5666 (do_structure_copy): Likewise.
5667 (handle_ptr_arith): Likewise.
5668 (find_func_aliases): Likewise. Remove unused need_anyoffset
5671 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5672 Kaz Kojima <kkojima@gcc.gnu.org>
5674 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5675 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5676 (EXTRA_CONSTRAINT_C16): Remove.
5677 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5678 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5679 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5680 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5681 constants of SHmedia. Handle nested constant expressions of
5683 (andcosts): Fix the costs for SHmedia constants.
5684 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5685 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5686 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5687 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5688 (movv4hi_i, movv2si_i): Likewise.
5689 (movsi_const): Adjust the second operand of ior so to match with
5691 (movdi_const, movdi_const_32bit): Likewise.
5692 (movdi_const_16bit+1): Don't sign-extend LOW.
5693 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5695 (*double_shori): Fix the split condition. Use GEN_INT instead
5696 of get_int_mode calls. Mask lower 16-bit of the argument of
5698 (sym2GOTPLT): Remove.
5699 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5701 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5702 instead of EXTRA_CONSTRAINT_C16.
5704 2006-01-07 Ian Lance Taylor <ian@airs.com>
5705 David Edelsohn <edelsohn@gnu.org>
5707 PR rtl-optimization/25662
5708 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5709 for constant operands instead of simplify_gen_binary.
5710 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5711 after trying simplify_binary_operation
5713 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5715 * tree.c (iterative_hash_expr): Hash decls based on UID.
5717 2006-01-06 Eric Christopher <echristo@apple.com>
5719 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5720 (TARGET_UNWIND_EMIT): Fix spelling.
5721 * target.h (gcc_target): Add except_table_label.
5722 * except.c (output_function_exception_table): Use.
5723 * varasm.c (default_emit_except_table_label): New.
5724 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5726 (asm_out): Add here.
5727 * output.h (default_emit_except_table_label): Prototype.
5728 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5729 * config/darwin.c (darwin_emit_except_table_label): Define.
5730 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5732 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5734 PR tree-optimization/18527
5735 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5736 number_of_iterations_special, number_of_iterations_exit):
5737 Move base and step of an iv to a single structure. Add
5738 no_overflow flag, and use it in # of iterations analysis.
5739 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5740 folded_casts argument.
5741 (simple_iv): Pass base and step in a structure. Set no_overflow
5743 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5744 Evaluate expensiveness of computing # of iterations instead of
5745 the final expression.
5746 * tree-scalar-evolution.h (affine_iv): New structure.
5747 (simple_iv): Declaration changed.
5748 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5749 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5750 find_givs_in_stmt): Changed due to simple_iv change.
5752 2006-01-06 Jeff Law <law@redhat.com>
5755 * tree-cfg.c (bsi_replace): Rename final argument from
5756 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5757 change (stmt -> orig_stmt).
5758 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5759 (bsi_remove): Add new argument. Remove EH information
5761 (verify_eh_throw_table_statements): New function.
5762 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5764 * tree-optimize.c (execute_free_cfg_annotations): Verify
5765 the EH throw statement table after removing annotations.
5766 * except.h (verify_eh_throw_table_statements): Prototype.
5767 * tree-flow.h (bsi_remove): Update prototype.
5768 * tree-vrp.c (remove_range_assertions): Add new argument to
5770 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5771 * tree-complex.c (expand_complex_div_wide): Likewise.
5772 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5773 * tree-tailcall.c (eliminate_tailcall): Likewise.
5774 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5775 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5776 * tree-nrv.c (tree_nrv): Likewise.
5777 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5778 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5779 (combine_blocks): Likewise.
5780 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5781 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5782 (cleanup_control_flow): Likewise.
5783 (remove_forwarder_block): Likewise.
5784 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5785 * tree-sra.c (sra_replace): Likewise.
5786 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5787 (forward_propagate_single_use_vars): Likewise.
5788 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5789 * tree-inline.c (expand_call_inline): Likewise.
5790 * tree-vect-transform.c (vect_transform_loop): Likewise.
5791 * tree-outof-ssa.c (rewrite_trees): Likewise.
5792 * tree-cfg.c (make_goto_expr_edges): Likewise.
5793 (cleanup_dead_labels): Likewise.
5794 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5795 (bsi_move_before, bsi_move_after): Likewise.
5796 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5797 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5799 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5802 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5804 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5805 on non gimple variables. Also add checks at the top for decls and
5807 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5809 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5810 and IMAGPART_EXPR for creating MUST_DEFs.
5811 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5812 and NAME_MEMORY_TAG separately from the DECLs.
5814 2006-01-06 Richard Guenther <rguenther@suse.de>
5816 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5817 annotation, if necessary.
5818 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5819 redundant calls to update_stmt.
5820 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5823 2006-01-05 Richard Henderson <rth@redhat.com>
5825 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5827 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5829 * c-typeck.c: Update copyright date.
5831 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5833 * c-typeck.c (build_c_cast): Always warn when casting
5834 from a pointer to an integer of different size, even if
5835 the node was constant.
5837 2006-01-05 Richard Guenther <rguenther@suse.de>
5839 PR tree-optimization/22555
5840 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5841 if one structure field is an array.
5842 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5843 operands even if we found a subvar, but ignore VOPs in this
5845 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5847 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5849 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5852 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5854 2006-01-05 Richard Guenther <rguenther@suse.de>
5855 Diego Novillo <dnovillo@redhat.com>
5857 * tree-pass.h (TODO_remove_unused_locals): Define.
5858 * gimple-low.c (expand_var_p, remove_useless_vars,
5859 pass_remove_useless_vars): Remove. Update all users.
5860 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5861 (remove_unused_locals): New function.
5862 * tree-flow.h (remove_unused_locals): Declare.
5863 * passes.c (execute_todo): Call remove_unused_locals if
5864 TODO_remove_unused_locals is set.
5865 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5866 * tree-ssa-dce.c (pass_dce): Likewise.
5867 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5869 2006-01-05 Richard Guenther <rguenther@suse.de>
5871 * tree-flow.h (struct fieldoff): Decompose field to
5872 type, size and decl.
5873 * tree-ssa-alias.c (create_sft): Take type as parameter.
5874 (create_overlap_variables_for): Store type, size and decl
5875 in the fieldoff structure.
5876 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5878 (push_fields_onto_fieldstack): Likewise.
5879 (create_variable_info_for): Likewise. Use offset for the
5880 SFT name if the decl is not available.
5882 2006-01-04 Paul Brook <paul@codesourcery.com>
5884 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5886 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5888 * lambda-code.c (can_put_in_inner_loop): Relax
5890 (can_put_after_inner_loop): New function.
5891 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5892 (perfect_nestify): Change to make copies and modify uses.
5894 2006-01-04 Richard Henderson <rth@redhat.com>
5896 Merge from gomp branch:
5897 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5898 via integer constant.
5899 (pragma_lex): Remove.
5900 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5901 rather than parsing it.
5902 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5903 handle_pragma_extern_prefix): Add %< %> quotes.
5904 (registered_pragmas): New.
5905 (c_register_pragma_1): New.
5906 (c_register_pragma): Use it.
5907 (c_register_pragma_with_expansion): Likewise.
5908 (c_invoke_pragma_handler): New.
5909 (init_pragma): Use cpp_register_deferred_pragma directly for
5911 * c-pragma.h (enum pragma_kind): New.
5912 (pragma_handler): New.
5913 (c_invoke_pragma_handler): Declare.
5914 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5916 * c-common.h (c_common_pch_pragma): Update decl.
5917 * Makefile.in (c-parser.o): Update dependencies.
5918 (GTFILES): Add c-pragma.h.
5919 * c-parser.c (struct c_token): Add pragma_kind.
5920 (struct c_parser): Add in_pragma.
5921 (c_lex_one_token): Always initialize keyword and pragma_kind.
5922 Extract data for CPP_PRAGMA.
5923 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5924 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5925 Don't allow CPP_PRAGMA_EOL if in_pragma.
5926 (c_parser_consume_pragma): New.
5927 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5928 (c_parser_skip_to_end_of_parameter): Likewise.
5929 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5930 (c_parser_skip_to_pragma_eol): New.
5931 (c_parser_external_declaration): Handle CPP_PRAGMA.
5932 (c_parser_compound_statement_nostart): Likewise.
5933 (c_parser_statement_after_labels): Likewise.
5934 (c_parser_pragma): New.
5935 (pragma_lex): Likewise.
5936 (c_parser_pragma_pch_preprocess): New.
5937 (c_parser_new): Merge into ...
5938 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5940 2006-01-04 Jeff Law <law@redhat.com>
5943 * tree-cfg.c (bsi_replace): Remove the original statement
5944 from the EH throw statement table.
5946 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5948 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5949 make the prototype extern "C" and add throw ().
5952 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5953 and pos non-negative and pos + len <= 32.
5954 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5955 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5956 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5959 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5960 as well as sizes not multiple of component size.
5963 * function.c (instantiate_expr): New function.
5964 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5965 walk its DECL_VALUE_EXPR with instantiate_expr.
5967 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5968 DW_OP_deref{,_size} if address isn't going to be added.
5970 2006-01-04 Ben Elliston <bje@au.ibm.com>
5972 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5973 * config/fp-bit.c: Likewise.
5975 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5977 * dominance.c: Add comment about why we use DFS numbering
5980 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5981 Richard Henderson <rth@redhat.com>
5983 Merge from gomp-branch:
5984 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5985 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5987 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5989 PR rtl-optimization/25578
5990 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5991 pass a parameter to simplify_shift_const if changing ASHIFTRT
5994 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5996 * builtins.c (get_builtin_sync_mem): New function.
5997 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5998 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5999 Call get_builtin_sync_mem to generate mem rtx.
6001 2006-01-03 Richard Guenther <rguenther@suse.de>
6004 * stmt.c (add_case_node): Make sure to clear overflow flags
6007 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6009 Merge from gomp-branch.
6010 * config/sparc/sync.md: New file.
6011 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6012 UNSPECV_LDSTUB): New constants.
6013 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6014 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6015 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6018 2006-01-03 Roger Sayle <roger@eyesopen.com>
6020 * combine.c (reg_subword_p): New predicate to test whether the
6021 destination of a set refers to a subword/piece of a register.
6022 (try_combine): Generalize the code to merge the setting of a
6023 pseudo to a constant followed by a set of a subword of that
6024 register to a constant.
6026 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6028 * basic-block.h (control_flow_graph): Change the type of
6029 x_label_to_block_map to VEC(basic_block,gc) *.
6030 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6031 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6033 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6034 VEC(basic_block,heap) *.
6035 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6036 ssa_prop_fini): Adjust the uses of cfg_blocks.
6038 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6040 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6042 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6043 hashing trees instead of a pointer hash.
6044 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6045 compare for MEM_EXPR.
6047 PR rtl-optimization/25130
6048 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6049 when comparing MEMs for GCSE
6051 2006-01-03 Ben Elliston <bje@au.ibm.com>
6053 * targhooks.h (default_decimal_float_supported_p): Declare.
6054 * targhooks.c (default_decimal_float_supported_p): Define.
6055 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6056 `default_decimal_float_supported_p'.
6057 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6059 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6061 * combine.c (apply_distributive_law <SUBREG>): Check
6062 TRULY_NOOP_TRUNCATION.
6064 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6066 * dwarf2out.c (have_switched_text_section): Delete.
6067 (have_multiple_function_sections): New.
6068 (have_location_lists): Make 'bool'.
6069 (add_AT_loc_list): Use 'true' not '1'.
6070 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6071 (output_loc_list): Use have_multiple_function_sections.
6072 (output_ranges): Likewise.
6073 (dwarf2out_begin_function): Set have_multiple_function_sections if
6075 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6076 Check function_section rather than DECL_SECTION_NAME.
6077 (dwarf2out_finish): Use have_multiple_function_sections.
6078 Don't clear have_location_lists.
6080 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6081 Jan Hubicka <jh@suse.cz>
6083 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6084 case of conditional jump jumping to the next instruction.
6085 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6086 cases of conditional jump jumping to the next instruction.
6088 2006-01-02 Jan Hubicka <jh@suse.cz>
6090 * i386.c (*_cost): Add COSTS_N_INSNS.
6091 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6093 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6096 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6098 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6100 * config/arm/arm.c (all_fpus): Fix comment typo.
6101 * config/darwin.c: Likewise.
6102 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6103 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6104 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6106 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6108 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6109 (rs6000_split_compare_and_swapqhi): New.
6110 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6111 (sync_compare_and_swapqhi_internal): New.
6112 * config/rs6000/rs6000-protos.h: Declare.
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