1 2006-03-02 Nick Clifton <nickc@redhat.com>
3 * config.gcc (default_use_cxa_atexit): Extend the description of
4 this configure variable. Set its default value to "yes" for
5 Linux, NetBSD and ELF targets on the assumption that they will
6 use C libraries with the __cxa_atexit function.
8 2006-03-02 Ben Elliston <bje@au.ibm.com>
10 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11 parameter as unused to suppress a build warning.
13 2006-03-02 Ben Elliston <bje@au.ibm.com>
15 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
18 2006-03-01 Roger Sayle <roger@eyesopen.com>
21 * gthr-posix.h (__gthrw2): Define to take three parameters, the
22 declared name, the weak reference name, and the typeof name.
23 (__gthrw): Avoid expanding the declared name suffix.
24 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
26 2006-03-01 Jakub Jelinek <jakub@redhat.com>
28 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
30 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
31 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
32 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
33 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
34 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
35 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
36 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
37 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
38 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
39 DW_DS_leading_separate, DW_DS_trailing_separate): New.
40 (DW_END_default, DW_END_big, DW_END_little): New.
41 (DW_END_lo_user, DW_END_hi_user): Define.
42 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
43 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
44 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
47 2006-03-01 Diego Novillo <dnovillo@redhat.com>
49 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
51 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
53 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
55 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
57 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
60 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
63 2006-03-01 Roger Sayle <roger@eyesopen.com>
65 * builtins.c (fold_builtin_copysign): Delete unreachable code.
67 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
70 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
71 MACHO_DYNAMIC_NO_PIC_P.
72 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
74 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
77 * config/darwin-protos.h (darwin_asm_output_anchor):
79 * config/darwin-sections.def (cstring_section):
80 Add SECTION_MERGE to the flags.
81 (literal4_section): Likewise.
82 (literal8_section): Likewise.
83 (objc_selector_refs_section): Likewise.
84 (objc_cls_refs_section): Likewise.
85 * config/darwin.c (darwin_asm_output_anchor): New
87 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
89 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
91 Fix PR tree-optimization/26443
92 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
93 to todo and PROP_tmt_usage to properties_destroyed.
94 * tree-ssa-ccp.c (pass_ccp): Ditto.
95 (pass_store_ccp): Ditto.
96 * tree-ssa-dom.c (pass_dominator): Ditto.
98 2006-03-01 Diego Novillo <dnovillo@redhat.com>
100 * tree-ssa-operands.c: Cleanup whitespace.
101 (get_asm_expr_operands): Move before first invocation.
102 (get_indirect_ref_operands): Likewise.
103 (get_tmr_operands): Likewise.
104 (get_call_expr_operands): Likewise.
105 (append_def): Likewise.
106 (append_use): Likewise.
107 (append_v_may_def): Likewise.
108 (append_v_must_def): Likewise.
109 (add_call_clobber_ops): Likewise.
110 (add_call_read_ops): Likewise.
111 (add_stmt_operand): Likewise.
112 (add_virtual_operand): Likewise.
113 (build_ssa_operands): Likewise.
115 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
120 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
121 with a call expr to ...
122 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
124 2006-03-01 Diego Novillo <dnovillo@redhat.com>
126 * tree-vrp.c (extract_range_from_assert): Remove special
127 handling for types with super-types.
129 2006-03-01 Ben Elliston <bje@au.ibm.com>
131 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
132 and powerpc64-*-linux* configurations.
133 * config/t-dfprules: New file.
135 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
136 Compile dfp-bit.c from the source directory using -DWIDTH and
137 $DFP_CFLAGS to control the compilation of that file, rather than
138 generating width-specific versions in the build directory.
139 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
140 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
142 2006-02-28 Zack Weinberg <zackw@panix.com>
144 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
147 2006-02-28 Eric Christopher <echristo@apple.com>
149 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
150 Set up IN_LIBGCC definition of TARGET_64BIT.
151 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
153 2006-02-28 Roger Sayle <roger@eyesopen.com>
156 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
157 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
158 cases via the construction of "expr != 0".
160 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
162 * alias.c (alias_invariant, alias_invariant_size): Remove.
163 (record_base_value): Remove.
164 (memrefs_conflict_p): Don't look at alias_invariant.
165 (end_alias_analysis): Don't free it.
166 * alias.h (record_base_value): Remove prototype.
168 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
169 Adam Nemet <anemet@caviumnetworks.com>
171 * rtl.h (truncated_to_mode): Declare it.
172 (struct rtl_hooks): Add reg_truncated_to_mode hook.
173 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
174 (RTL_HOOKS_INITIALIZER): Include it.
175 * rtlhooks.c (reg_truncated_to_mode_general): New function.
176 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
177 reg_truncated_to_mode.
178 * rtlanal.c (truncated_to_mode): Define it.
179 * simplify-rtx.c (simplify_unary_operation_1): Use it.
181 2006-02-28 Jeff Law <law@redhat.com>
183 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
184 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
185 the range allowed by TYPE_PRECISION.
187 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
189 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
191 PR tree-optimization/26419
192 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
195 2006-02-27 Zack Weinberg <zackw@panix.com>
197 * doc/md.texi: Fix typo in previous change.
199 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
203 2006-02-27 Zack Weinberg <zackw@panix.com>
205 * rtl.def (define_constraint, define_register_constraint)
206 (define_memory_constraint, define_address_constraint): New MD forms.
207 * gensupport.c (process_rtx): Put define_constraint etc on the
209 * genpreds.c (process_define_predicate): Adjust comment. Validate
210 the name, and call validate_exp to validate the expression.
211 (mark_mode_tests, write_extract_subexp): Can assume correct input.
212 (write_predicate_expr): Likewise. NAME argument no longer necessary;
214 (validate_exp, needs_variable, struct constraint_data)
215 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
216 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
217 (const_dbl_constraints, constraint_max_namelen)
218 (have_register_constraints, have_memory_constraints)
219 (have_address_constraints, have_address_constraints)
220 (have_extra_constraints, have_const_int_constraints)
221 (have_const_dbl_constraints, mangle, add_constraint)
222 (process_define_constraint, process_define_register_constraint)
223 (write_enum_constraint_num, write_lookup_constraint)
224 (write_insn_constraint_len, write_regclass_for_constraint)
225 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
226 (write_insn_extra_memory_constraint)
227 (write_insn_extra_address_constraint)
228 (write_satisfies_constraint_fns): New.
229 (write_tm_preds_h): If we have new-style constraint definitions,
230 prototype the functions generated from them, and define the
231 old constraint interface (still used by generic code) in terms of
233 (write_insn_preds_c): If we have new-style constraint definitions,
234 generate all relevant functions from those definitions.
235 (main): Handle define_constraint etc.
236 * genoutput.c (struct constraint_data, indep_constraints)
237 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
238 (mdep_constraint_len): New data structures and functions, defined
239 #ifdef USE_MD_CONSTRAINTS.
240 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
241 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
242 use new logic to validate operand constraints against constraint
244 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
246 * defaults.h: If none of the old-style constraint macros are
247 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
248 old-style macros; and poison REG_CLASS_FROM_LETTER,
249 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
251 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
252 * doc/md.texi: Document new constraint-definition mechanism and the
253 C interface it provides. Remove references to old mechanism
254 elsewhere in the document.
255 (Machine Constraints): Use pathnames relative to gcc directory,
256 i.e. config/ARCH/FILE. Change i386 section to refer to
257 config/i386/predicates.md; update that section to match docstrings.
258 * doc/tm.texi: Move all documentation of the old constraint-
259 definition macros to their own section, clearly mark as obsolete.
261 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
262 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
264 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
265 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
266 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
268 (splits and peepholes): Use satisfies_constraint_*.
269 * config/i386/i386.c (memory_address_length)
270 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
272 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
274 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
275 scalar operation to be put back into the loop.
277 2006-02-27 Jakub Jelinek <jakub@redhat.com>
280 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
281 (extract_cie_info): Handle S flag in augmentation string.
282 (execute_cfa_program): If context->signal_frame, execute also
283 fs->pc == context->ra instructions.
284 (uw_frame_state_for): If context->signal_frame, don't subtract one
285 from context->ra to find FDE.
286 (uw_update_context_1): Set context->signal_frame to
288 (_Unwind_GetIPInfo): New function.
289 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
290 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
292 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
293 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
294 * unwind-compat.c (_Unwind_GetIPInfo): New function.
295 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
296 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
297 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
298 * config/i386/linux-unwind.h (x86_fallback_frame_state,
299 x86_64_fallback_frame_state): Set fs->signal_frame.
300 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
301 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
302 (frob_update_context): Likewise. Workaround missing S flag in
303 Linux 2.6.12 - 2.6.16 kernel vDSOs.
304 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
305 Remove the psw_addr + 1 hack.
307 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
309 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
310 with aggregates here.
311 (find_func_aliases): Remove code for &<aggregate> from here.
313 2006-02-26 Roger Sayle <roger@eyesopen.com>
315 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
316 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
317 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
320 2006-02-26 Roger Sayle <roger@eyesopen.com>
323 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
325 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
327 * opts.c (decode_options): Do not handle flag_strength_reduce.
328 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
329 and OPT_fstrength_reduce.
330 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
331 flag_prefetch_loop_arrays for being nonzero.
332 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
334 (fprefetch-loop-arrays-rtl): Removed.
335 (flag_prefetch_loop_arrays): Do not specify the value.
337 * doc/passes.texi: Update documentation of loop optimizer
339 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
340 -frerun-loop-opt): Remove.
342 2006-02-26 Richard Guenther <rguenther@suse.de>
344 PR tree-optimization/26421
345 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
346 in function calls that are ADDR_EXPRs as using the whole structure.
348 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
350 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
351 * tree-pass.h (pass_loop_optimize): Remove.
352 * passes.c (pass_loop_optimize): Never run it.
353 * toplev.c (backend_init): Don't call init_loop.
354 * opts.c (flag_loop_optimize_set): Remove.
355 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
356 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
357 the old RTL loop optimizer when profiling enabled.
358 * predict.c (tree_estimate_probability): Always strip builtin_expect.
359 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
360 pre-headers for the sake of the old RTL loop optimizer.
361 * Makefile.in: Remove all references to loop.o.
363 * doc/invoke.texi: Remove all references to -floop-optimize
364 and -frerun-loop-opt.
366 2006-02-26 Zack Weinberg <zackw@panix.com>
368 * doc/md.texi (Machine Constraints): Refer to all files with paths
369 relative to gcc directory (i.e. config/CPU/file). Add missing
370 @table @code ... @end table to M32C subsection.
372 2006-02-26 Roger Sayle <roger@eyesopen.com>
374 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
376 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
378 2006-02-26 Roger Sayle <roger@eyesopen.com>
379 James A. Morrison <phython@gcc.gnu.org>
382 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
383 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
384 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
385 signedness of the shift operation.
387 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
389 PR tree-optimization/26359
390 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
392 2006-02-25 Roger Sayle <roger@eyesopen.com>
394 * simplify-rtx.c (simplify_relational_operation_1): Simplify
395 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
396 as X == 0, and some symmetry related transformations.
397 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
399 2006-02-25 Roger Sayle <roger@eyesopen.com>
402 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
403 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
404 symmetry related transformations. Fold (X^C1) == C2 as
407 2006-02-25 Juergen Weigert <jw@suse.de>
408 Richard Guenther <rguenther@suse.de>
410 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
412 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
414 * combine.c (gen_lowpart_or_truncate): Call
415 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
417 2006-02-24 Diego Novillo <dnovillo@redhat.com>
419 * doc/invoke.texi: Move -fopenmp description to "Options for
421 Remove reference to -lgomp.
423 2006-02-24 David Edelsohn <edelsohn@gnu.org>
425 * doc/install.texi: Require GNU tar version 1.14.
427 2006-02-24 Geoffrey Keating <geoffk@apple.com>
429 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
430 * doc/invoke.texi (C++ Dialect Options): Document
431 -fno-use-cxa-get-exception-ptr.
432 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
433 * configure: Regenerate.
434 * c.opt (fuse-cxa-get-exception-ptr): New.
435 * c-opts.c (c_common_handle_option): Handle
436 OPT_fuse_cxa_get_exception_ptr.
437 * c-common.c (flag_use_cxa_atexit): Update documentation.
438 (flag_use_cxa_get_exception_ptr): New.
439 * c-common.h (flag_use_cxa_get_exception_ptr): New.
440 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
442 (C_COMMON_OVERRIDE_OPTIONS): New.
444 2006-02-24 Roger Sayle <roger@eyesopen.com>
447 * combine.c (try_combine): Explicitly check whether GET_CODE is
448 a SET or a CLOBBER, instead on checking that it isn't a USE.
450 2006-02-24 Roger Sayle <roger@eyesopen.com>
452 * fold-const.c (fold_comparison): New subroutine of fold_binary
453 containing transformations common to both the equality and
454 ordering relational operators, factored out of fold_binary.
455 (fold_binary): Separate out the equality operators (EQ_EXPR
456 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
457 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
458 transformations common to both.
459 (fold_div_compare): Fix latent bugs in the previously unreachable
460 LT_EXPR and GE_EXPR cases.
462 2006-02-24 David Edelsohn <edelsohn@gnu.org>
464 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
465 decl libname for clog to __clog on AIX.
467 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
469 2006-02-24 Alan Modra <amodra@bigpond.net.au>
472 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
473 output traceback table for thunks. Localise rs6000_stack_info call.
475 2006-02-23 Roger Sayle <roger@eyesopen.com>
476 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
478 * gthr-posix.h (__gthrw): Fix typo in comment.
480 2006-02-23 Geoffrey Keating <geoffk@apple.com>
482 * doc/cpp.texi (Character sets): Document that we do support
483 input files to be in any character set.
485 2006-02-23 Jeff Law <law@redhat.com>
487 * tree.h (PHI_ARG_NONZERO): Remove.
488 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
489 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
490 node to the new node.
492 PR tree-optimization/26425
493 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
494 min/max, then assume its varying.
496 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
498 PR rtl-optimization/26316
499 * rtlanal.c (enum may_trap_p_flags): New.
500 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
501 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
502 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
503 (may_trap_after_code_motion_p): New function.
504 * loop-invariant.c (find_identical_invariants): Fix dump formating.
505 (find_invariant_insn): Use may_trap_after_code_motion_p.
506 * rtl.h (may_trap_after_code_motion_p): Declare.
508 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
510 * emit-rtl.c (immed_double_const): Cleanup.
512 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
514 Fix PR tree-optimization/26376
515 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
518 2006-02-23 Jakub Jelinek <jakub@redhat.com>
521 * gimplify.c (omp_add_variable): Guard variable size decl test with
522 DECL_SIZE (decl) check.
524 2006-02-23 Richard Guenther <rguenther@suse.de>
527 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
528 like aggregate types.
530 2006-02-23 Jakub Jelinek <jakub@redhat.com>
532 * configure.ac: Add --with{,out}-long-double-128 configure option.
533 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
534 * configure: Rebuilt.
535 * config.in: Rebuilt.
536 * doc/install.texi (Options specification): Document
537 --with-long-double-128.
539 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
540 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
541 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
542 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
544 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
546 * config/s390/s390.c (override_options): Handle
547 TARGET_DEFAULT_LONG_DOUBLE_128.
549 * config/alpha/alpha.c (override_options): Handle
550 TARGET_DEFAULT_LONG_DOUBLE_128.
552 * config/sparc/sparc.c (sparc_override_options): Handle
553 TARGET_DEFAULT_LONG_DOUBLE_128.
555 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
557 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
558 (real-install-headers-tar, real-install-headers-cpio)
559 (real-install-headers-cp): New targets.
561 2006-02-22 Richard Sandiford <richard@codesourcery.com>
563 * tree.h (variable_section): Delete.
564 * varasm.c (variable_section): Delete.
566 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
568 * install.texi: Add notes on install.texi2html.
569 (Building in parallel): Do not use footnotes.
571 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
574 * doc/install.texi (Configuration): Document --disable-libgomp.
576 2006-02-21 Geoffrey Keating <geoffk@apple.com>
578 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
580 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
582 * config/i386/sse.md (vec_extractv2df_1_sse): New.
583 (vec_extractv2df_0_sse): New.
585 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
587 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
588 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
589 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
590 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
591 to the result of the expression.
593 (frame_pointer_cfa_offset): Rename to...
594 (frame_pointer_fb_offset): ... this. Adjust all uses.
595 (convert_cfa_to_loc_list): Rename to...
596 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
597 Pass it on to build_cfa_loc.
598 (compute_frame_pointer_to_cfa_displacement): Rename to...
599 (compute_frame_pointer_to_fb_displacement): ... this. New
600 offset parameter. Use it in computation.
601 (gen_subprogram_die): Compute cfa_fb_offset with the new
602 macro, and use it to compute the fb loc list and the
605 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
607 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
608 replaced with register_operand.
609 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
610 non-DREG is expensive.
611 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
612 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
615 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
617 * doc/install.texi2html: Use set -e.
619 2006-02-21 Richard Sandiford <richard@codesourcery.com>
621 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
622 (ASM_OUTPUT_SHARED_LOCAL): Delete.
623 * doc/invoke.texi (-fshared-data): Delete.
624 * common.opt (fshared-data): Delete.
625 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
626 (assemble_static_space): Remove #if 0 code.
627 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
628 (ASM_OUTPUT_SHARED_LOCAL): Poison.
629 * config/cris/cris.h: Remove FIXME.
631 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
633 * doc/sourcebuild.texi (Front End Directory): No more double-colon
636 2006-02-21 Jakub Jelinek <jakub@redhat.com>
639 * combine.c (simplify_shift_const_1): Disable nested shifts
640 optimization for vector shifts.
642 2006-02-20 Roger Sayle <roger@eyesopen.com>
644 PR tree-optimization/26361
645 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
646 of unsigned integer types.
648 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
650 * tree-chrec.c (eq_evolutions_p): New.
651 * tree-chrec.h (eq_evolutions_p): Declared.
652 * tree-data-ref.c: Fix formatting.
653 (datadep_stats, dependence_stats): New.
655 (print_direction_vector): New.
656 (dump_data_dependence_relation): Use print_direction_vector.
657 (object_analysis, create_data_ref): Handle COMPONENT_REF.
658 (compute_subscript_distance): Static.
659 (initialize_data_dependence_relation): Static. Get the number
660 of loops surrounding the references from the callers, and initialize
661 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
662 base_object_differ_p analyzers.
663 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
664 compute_overlap_steps_for_affine_1_2,
665 analyze_subscript_affine_affine): Count the classified dependences.
666 Print a message when a test failed.
667 (can_use_analyze_subscript_affine_affine): New.
668 (analyze_siv_subscript): Compute the data dependences on symbolic
669 scevs that verify can_use_analyze_subscript_affine_affine.
670 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
671 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
672 Handle symbolic scevs.
673 (analyze_overlapping_iterations): Let symbolic affine scevs to be
675 (subscript_dependence_tester): Moved...
676 (build_classic_dist_vector, build_classic_dir_vector): Don't use
677 lambda_vector_clear on newly allocated vectors. Get nb_loops from
678 DDR_SIZE_VECT instead of getting it in parameter.
679 (subscript_dependence_tester): ... here. Take as a parameter
680 loop_nest_depth. Call build_classic_dist_vector and
681 build_classic_dir_vector.
682 (compute_affine_dependence): Update subscript_dependence_tester
683 parameters. Update datadep_stats counters. Call
684 compute_subscript_distance.
685 (compute_self_dependence): Save the dist and dir vectors. Call
686 compute_subscript_distance.
687 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
688 (compute_all_dependences): Reorder parameters as they were before
689 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
690 compute_subscript_distance. Update the use of
691 compute_affine_dependence and initialize_data_dependence_relation.
692 (find_data_references_in_loop): Handle COMPONENT_REF.
693 (compute_data_dependences_for_loop): Initialize dependence_stats.
694 Don't call build_classic_dist_vector and build_classic_dir_vector.
695 Update the parameters of initialize_data_dependence_relation and
696 compute_all_dependences. Print the statistics from datadep_stats.
697 (analyze_all_data_dependences): Static. Not used until the pass for
698 checking the data dependences is contributed.
699 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
700 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
701 (initialize_data_dependence_relation, compute_affine_dependence,
702 analyze_all_data_dependences, compute_subscript_distance): Removed.
703 (print_direction_vector): New.
704 * lambda.h (gcd): ... here.
705 (lambda_vector_gcd): Moved here from gcd_vector.
706 * lambda-code.c (gcd, gcd_vector): Removed.
707 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
708 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
710 2006-02-20 Diego Novillo <dnovillo@redhat.com>
712 * ipa-type-escape.c: Tidy some comments and white space.
713 * tree-ssa-operands.c: Likewise.
715 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
718 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
719 (dump_decl_name): Do not walk the decl tree chains.
720 * tree-pass.h (TDF_CHAIN): Remove.
722 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
724 * Makefile.in (C): Remove
726 (.PHONY): Remove C and PROTO
728 2006-02-20 Roger Sayle <roger@eyesopen.com>
731 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
732 deprecated CHAR_TYPE tree code.
734 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
736 * configure.ac (target_list): Add install-info, dvi, html.
737 * configure: Regenerate.
739 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
740 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
741 treelang/Make-lang.in: Do not use double-colon rules.
743 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
745 * tree.h (struct tree_memory_tag): Add is_used_alone member.
746 (TMT_USED_ALONE): New macro.
747 * tree-pass.h (PROP_tmt_usage): New property.
748 (TODO_update_tmt_usage): New todo.
749 * tree-ssa-alias.c (updating_used_alone): New variable.
750 (recalculate_used_alone): New function.
751 (compute_may_aliases): Set updating_used_alone, call
752 recalculate_used_alone.
753 * tree-sra.c (pass_sra): Note that this pass destroys
754 PROP_tmt_usage, and add TODO_update_tmt_usage.
755 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
756 * tree-flow.h (updating_used_alone): Prototype.
757 (recalculate_used_alone): Ditto.
758 * passes.c (execute_todo): Add code to set updating_used_alone,
759 and call recalculate.
760 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
761 for clobber if used alone, and add assert to verify used_alone
764 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
766 * config/s390/s390.c (legitimize_pic_address): Assertions checking
767 for non tls symbols added.
768 (legitimize_address): Do nothing for PLUS expressions if one of the
769 addends is a tls symbol reference.
771 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
775 * Makefile.in (LDFLAGS): Define from autoconf substitution.
777 * Makefile.in (BOOTSTRAPPING): New.
778 (quickstrap): New definition if BOOTSTRAPPING=yes.
780 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
781 * configure.ac: Substitute all_selected_languages with the languages
782 that were configured. For all the other variables except
783 lang_specs_files, include all the languages in the tree.
784 * configure: Regenerate.
786 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
787 if there is one. Run the commands to run fixincludes in the same
790 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
791 * doc/install.texi: Document exact conventions for searching target tools.
792 Document --with-build-time-tools. Document toplevel bootstrap. Document
793 something more about building an Ada cross-compiler. Don't list GNU Make
794 requirements which affect all platforms.
796 2006-02-19 Roger Sayle <roger@eyesopen.com>
799 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
800 only equivalent if the have both the same mode and precision.
802 2006-02-20 Ben Elliston <bje@au.ibm.com>
804 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
806 2006-02-19 Roger Sayle <roger@eyesopen.com>
807 Steven Bosscher <stevenb.gcc@gmail.com>
809 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
810 constant pool references to identify stack mode constants.
811 * rtlanal.c (constant_pool_constant_p): New predicate to check
812 whether operand is a floating point constant in the pool.
813 * rtl.h (constant_pool_constant_p): Prototype here.
814 * loop.c (scan_loop): Avoid hoisting constants from the constant
815 pool on STACK_REGS targets.
816 (load_mems): Likewise.
817 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
818 loads into x87 registers expensive in terms of register pressure.
820 2006-02-19 Roger Sayle <roger@eyesopen.com>
822 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
823 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
825 2006-02-19 David Edelsohn <edelsohn@gnu.org>
827 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
828 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
830 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
832 * doc/invoke.texi: Document -fipa-pta.
833 * common.opt: Add ipa-pta option.
834 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
835 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
836 (do_ds_constraint): Ditto.
837 (get_constraint_for): Only add to referenced_vars if
838 referenced_vars exists.
839 (insert_into_field_list): Rewrite to do this unsorted.
840 (insert_into_field_list_sorted): Rename old insert_into_field_list
842 (create_function_info_for): Use insert_into_field_list_sorted.
843 (create_variable_info_for): Rewrite so it uses unsorted version,
844 since the field list is sorted.
845 (intra_create_variable_infos): Only add to referenced_vars if
846 referenced_vars exists.
847 (ipa_pta_execute): Init heapvars, and delete when done.
848 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
850 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
852 * doc/install.texi: Add missing `@samp'.
854 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
856 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
859 2006-02-18 Mark Wielaard <mark@klomp.org>
861 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
862 who added new 4.1 features, bug fixes and integration support.
864 2006-02-18 David Edelsohn <edelsohn@gnu.org>
867 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
870 2006-02-18 Richard Sandiford <richard@codesourcery.com>
872 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
873 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
874 (copy_insn_1): Likewise. Don't copy each field individually.
876 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
878 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
879 * rtl.c (rtx_size): Rename variable to...
880 (rtx_code_size): ...this.
881 (rtx_size): New function.
882 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
883 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
885 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
886 * rtl.h (rtx_code_size): New variable.
887 (rtx_size): Change from a variable to a function.
888 (RTX_SIZE): Rename to...
889 (RTX_CODE_SIZE): ...this.
892 PR tree-optimization/17106
893 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
894 (Anchored Addresses): New section.
895 * doc/invoke.texi (-fsection-anchors): Document.
896 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
897 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
898 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
899 * hooks.c (hook_bool_mode_rtx_false): New function.
900 * hooks.h (hook_bool_mode_rtx_false): Declare.
901 * gengtype.c (create_optional_field): New function.
902 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
903 SYMBOL_REF_IN_BLOCK_P is true.
904 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
905 (min_anchor_offset, max_anchor_offset): Likewise.
906 (use_anchors_for_symbol_p): New hook.
907 * toplev.c (compile_file): Call output_object_blocks.
908 (target_supports_section_anchors_p): New function.
909 (process_options): Check that -fsection-anchors is only used on
910 targets that support it and when -funit-at-a-time is in effect.
911 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
912 if the decl doesn't have one.
913 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
914 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
915 of force_const_mem through use_anchored_address.
916 (expand_expr_constant): New function.
917 (expand_expr_addr_expr_1): Call it. Use the same modifier when
918 calling expand_expr for INDIRECT_REF.
919 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
920 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
921 * expr.h (use_anchored_address): Declare.
922 * loop-unroll.c: Don't declare rtx vectors here.
923 * explow.c: Include output.h.
924 (validize_mem): Call use_anchored_address.
925 (use_anchored_address): New function.
926 * common.opt (-fsection-anchors): New switch.
927 * varasm.c (object_block_htab, anchor_labelno): New variables.
928 (hash_section, object_block_entry_eq, object_block_entry_hash)
929 (use_object_blocks_p, get_block_for_section, create_block_symbol)
930 (use_blocks_for_decl_p, change_symbol_section): New functions.
931 (get_variable_section): New function, split out from assemble_variable.
932 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
933 use_blocks_for_decl_p say so. Use change_symbol_section if the
934 symbol has already been created.
935 (assemble_variable_contents): New function, split out from...
936 (assemble_variable): ...here. Don't output any code for
937 block symbols; just pass them to place_block_symbol.
938 Use get_variable_section and assemble_variable_contents.
939 (get_constant_alignment, get_constant_section, get_constant_size): New
940 functions, split from output_constant_def_contents.
941 (build_constant_desc): Create a block symbol if use_object_blocks_p
942 says so. Or into SYMBOL_REF_FLAGS.
943 (assemble_constant_contents): New function, split from...
944 (output_constant_def_contents): ...here. Don't output any code
945 for block symbols; just pass them to place_section_symbol.
946 Use get_constant_section and get_constant_alignment.
947 (force_const_mem): Create a block symbol if use_object_blocks_p and
948 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
949 (output_constant_pool_1): Add an explicit alignment argument.
950 Don't switch sections here.
951 (output_constant_pool): Adjust call to output_constant_pool_1.
952 Switch sections here instead. Don't output anything for block symbols;
953 just pass them to place_block_symbol.
954 (init_varasm_once): Initialize object_block_htab.
955 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
956 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
957 (place_block_symbol, get_section_anchor, output_object_block)
958 (output_object_block_htab, output_object_blocks): New functions.
959 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
960 (TARGET_ASM_OUT): Include it.
961 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
962 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
963 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
964 (TARGET_INITIALIZER): Include them.
965 * rtl.c (rtl_check_failed_block_symbol): New function.
966 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
967 (block_symbol, object_block): New structures.
968 (rtx_def): Add a block_symbol field to the union.
969 (BLOCK_SYMBOL_CHECK): New macro.
970 (rtl_check_failed_block_symbol): Declare.
971 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
972 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
973 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
974 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
975 * output.h (output_section_symbols): Declare.
976 (object_block): Name structure.
977 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
978 (default_use_anchors_for_symbol_p): Declare.
979 * Makefile.in (RTL_BASE_H): Add vec.h.
980 (explow.o): Depend on output.h.
981 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
982 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
983 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
984 (rs6000_use_blocks_for_constant_p): New function.
986 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
988 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
990 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
993 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
996 2006-02-18 Diego Novillo <dnovillo@redhat.com>
998 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1002 2006-02-18 Jakub Jelinek <jakub@redhat.com>
1005 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1006 instead of DECL_REGISTER.
1008 2006-02-18 Olivier Hainque <hainque@adacore.com>
1011 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1013 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
1016 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1017 * opth-gen.awk: Handle Var and InverseMask together.
1018 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1019 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1020 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1021 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1023 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1024 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1025 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1026 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1027 LINUX_DYNAMIC_LINKER): Define.
1028 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1029 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1031 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1032 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1033 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1035 (TARGET_C99_FUNCTIONS): Don't define.
1036 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1037 GLIBC_DYNAMIC_LINKER.
1038 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1039 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1040 GLIBC_DYNAMIC_LINKER64): Define.
1041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1042 LINUX_DYNAMIC_LINKER64.
1043 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1044 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1045 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1047 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1049 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1050 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1051 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1053 and LINUX_DYNAMIC_LINKER32.
1054 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1056 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1058 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1060 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1061 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1062 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1063 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1064 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1065 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1066 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1067 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1068 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1069 LINUX_DYNAMIC_LINKER): Define.
1070 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1071 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1072 GLIBC_DYNAMIC_LINKER64): Define.
1073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1074 LINUX_DYNAMIC_LINKER64.
1075 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1076 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1077 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1078 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1079 LINUX_DYNAMIC_LINKER): Define.
1080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1081 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1082 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1083 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1084 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1085 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1086 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1087 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1088 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1089 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1091 * doc/invoke.texi (-muclibc): Remove caveat about supported
1094 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1096 * doc/cpp.texi (__TIMESTAMP__): Document.
1098 2006-02-17 Roger Sayle <roger@eyesopen.com>
1101 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1102 C is one less than the width of X (and related transformations).
1103 * simplify_rtx.c (simplify_unary_operation_1): Transform
1104 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1105 depending on STORE_FLAG_VALUE, were C is one less then the
1108 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
1110 Fix PR tree-optimization/26341
1111 * tree-ssa-operands.c (add_virtual_operand): Remove assert
1112 about NAME_MEMORY_TAG's.
1114 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1117 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1118 with hardware float support, and software float support. Add fcpy
1119 alternative to hardware patterns. Add alternatives to copy between
1120 general and floating-point registers to the 32-bit pattern.
1121 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1122 secondary reload to load a QI or HI mode constant into a floating
1124 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1125 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1127 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
1130 * config/rs6000/darwin.md (load_macho_picbase_si): Add
1132 (load_macho_picbase_di): Likewise.
1134 2006-02-16 Jeff Law <law@redhat.com>
1136 * tree-vrp.c (set_value_range_to_nonnegative): New function.
1137 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1138 (ssa_name_nonzero_p): Likewise.
1139 (get_value_range): Return NULL if VRP is not running.
1140 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1141 VRP routines do not discover a range.
1142 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1143 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1144 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1145 (tree_expr_nonnegative_p): Similarly.
1146 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1147 (restore_nonzero_vars_to_original_value): Remove.
1148 (unsafe_associative_fp_binop): Remove.
1149 (tree_ssa_dominator_optimize): Remove initialization and
1150 finalization of nonzero_vars and nonzero_vars_stack.
1151 (dom_opt_initialize_block): No longer push marker on
1153 (dom_opt_finalize_block): No longer call
1154 restore_nonzero_vars_to_original_value.
1155 (record_equivalences_from_phis): No longer look for
1156 nonzero PHI arguments.
1157 (cprop_into_successor_phis): No longer propagate nonzero
1158 property into PHI arguments. Lose unused argument. Caller
1160 (record_equivalences_from_stmt): No longer record nonzero
1161 values for SSA_NAMEs.
1162 (lookup_avail_expr): No longer use nonzero_vars.
1164 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1165 for sizetype when sizetype is unsigned.
1167 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
1169 PR rtl-optimization/25603
1170 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1171 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1172 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1173 with new meaning of SETS.
1175 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
1180 * config/linux.opt: New file.
1181 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1182 LINUX_DYNAMIC_LINKER): Define.
1183 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1184 * config.gcc (*-*-linux*): Define extra_options.
1185 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1186 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1187 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1188 GLIBC_DYNAMIC_LINKER.
1189 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1190 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1191 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1193 * doc/invoke.texi (GNU/Linux Options): New section.
1195 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1197 * config/sparc/sparc.md (setjmp): Rewrite.
1198 (setjmp_32): Delete.
1199 (setjmp_64): Likewise.
1201 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
1203 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1206 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1208 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1211 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
1213 PR rtl-optimization/26296
1214 * Makefile.in (loop-invariant.c): Add except.h dependency.
1215 * loop-invariant.c: Include except.h.
1216 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1218 2005-02-16 Paul Brook <paul@codesourcery.com>
1220 * reload1.c (emit_reload_insns): Invalidate dead input registers used
1223 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
1225 PR rtl-optimization/25636
1226 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1227 when deciding whether an insn is an initializing insn.
1229 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
1231 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1232 (tree_code_size): Ditto.
1233 * tree.h (struct tree_memory_tag): Remove parent_var.
1234 (struct tree_struct_field_tag): New.
1237 (union tree_node): Add sft member.
1238 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1240 (create_sft): Add size and offset argument, set SFT_OFFSET and
1242 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1243 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1244 * tree-flow-inline.h (get_subvar_at): Update for
1245 SFT_OFFSET/SFT_SIZE.
1246 (var_can_have_subvars): Ditto.
1247 (overlap_subvar): Ditto.
1248 * print-tree.c (print_node): Print out interesting things for
1250 * tree-flow.h (struct subvar): Remove offset and size members.
1251 * tree-ssa-operands.c (get_expr_operands): Update for
1252 get_indirect_ref_operands changes.
1253 (get_indirect_ref_operands): Call add_virtual_operand instead of
1254 add_stmt_operand. Only recurse on base var if requested.
1255 (access_can_touch_variable): New function.
1256 (add_stmt_operand): Split virtual operand handling into ...
1257 (add_virtual_operand): Here. Add offset, size, and for_clobber
1258 arguments. Prune alias sets.
1259 (add_call_clobber_ops): Call add_virtual_operand.
1261 2006-02-15 Jakub Jelinek <jakub@redhat.com>
1264 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1266 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1267 than TREE_CODE as index into omp_clause_num_ops array.
1269 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
1271 PR rtl-optimization/26184
1272 * modulo-sched.c (generate_reg_moves): Free bitmap vector
1274 * modulo-sched.c (sms_schedule): Free g_arr pointer.
1275 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1276 must_precede, must_follow and tobe_scheduled.
1279 * opts.c (common_handle_option): Free new_option pointer.
1280 * df-core.c (df_analyze): Free postorder pointer.
1282 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1284 * Makefile.in: Fix the examples about the use of stamps
1286 2006-02-15 Michael Matz <matz@suse.de>
1290 * stor-layout.c (layout_decl): Zero-width bitfields aren't
1291 influenced by maximum_field_alignment or DECL_PACKED.
1292 (update_alignment_for_field): Ditto.
1293 (place_field): Ditto.
1294 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1297 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
1299 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1300 (debug_flow_info): Pass it.
1301 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1302 * bb-reorder.c (reorder_basic_blocks): Likewise.
1303 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1304 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1305 * flow.c (life_analysis, recompute_reg_usage): Likewise.
1306 * gcse.c (gcse_main, bypass_jumps): Likewise.
1307 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1308 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1309 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1310 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1311 * rtl.h (dump_flow_info): Adjust prototype.
1312 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1313 * var-tracking.c (variable_tracking_main): Likewise.
1314 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1315 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1318 2006-02-15 Marcin Dalecki <martin@dalecki.de>
1320 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1323 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1325 PR tree-optimization/26209
1326 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1327 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1329 * tree-cfg.c (replace_uses_by): Do not alter cfg.
1331 2006-02-14 Roger Sayle <roger@eyesopen.com>
1334 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1335 (X,Y) and the corresponding symmetry related transformations.
1336 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1337 (X,Y) and its symmetry related transformations.
1339 2006-02-14 Roger Sayle <roger@eyesopen.com>
1341 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1344 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
1346 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1348 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1351 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1352 support COMDAT group.
1353 * configure: Regenerate.
1355 2006-02-14 Roger Sayle <roger@eyesopen.com>
1360 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1362 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
1364 Fix PR tree-optimization/26260
1366 * doc/invoke.texi (max-fields-for-field-sensitive): Document
1368 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1369 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1370 * tree-ssa-structalias.c (create_variable_info_for): Use
1371 MAX_FIELDS_FOR_FIELD_SENSITIVE.
1373 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1375 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1377 * tree-ssa-loop-niter.c (number_of_iterations_ne,
1378 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1379 of the ending condition.
1380 * tree-ssa-loop-manip.c: Include params.h.
1381 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1382 tree_unroll_loop): New functions.
1383 * tree-pass.h (pass_loop_prefetch): Declare.
1384 * loop.c (rest_of_handle_loop_optimize): Test for
1385 -fprefetch-loop-arrays-rtl.
1386 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1387 * timevar.def (TV_TREE_PREFETCH): New timevar.
1388 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1389 pass_loop_prefetch): New.
1390 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1391 (cleanup_tree_cfg_loop): Call scev_reset.
1392 * common.opt (fprefetch-loop-arrays-rtl): Add.
1393 * tree-ssa-loop-prefetch.c: New file.
1394 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1395 (new_temp_expr_table): Initialize expr_vars.
1396 (free_temp_expr_table): Cleanup expr_vars.
1397 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1398 expressions from being merged into one.
1399 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1400 (struct tree_niter_desc): Add control, bound and cmp fields.
1401 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1403 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1404 (tree-cfgcleanup.o): Add SCEV_H dependency.
1405 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1406 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1408 2006-02-14 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/26258
1411 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1412 in PHI argument processing.
1414 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
1416 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1417 new expression in the requested machine mode.
1419 2006-02-13 Roger Sayle <roger@eyesopen.com>
1421 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1422 directly, instead let do_compare_rtx_and_jump handle this for us.
1423 * expr.c (expand_expr_real_1): Likewise.
1424 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
1425 before do_jump_by_parts_greater.
1426 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1427 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1429 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1431 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1433 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1435 PR rtl-optimization/26235
1436 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1437 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
1440 2006-02-13 Jeff Law <law@redhat.com>
1442 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1445 2006-02-13 Jakub Jelinek <jakub@redhat.com>
1448 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1449 twice if decl is a builtin. When trying again, call get_callee_fndecl
1450 first to verify it is still a builtin.
1452 2006-02-13 Geoffrey Keating <geoffk@apple.com>
1454 * dwarf2out.c (base_type_die): Don't add AT_name here.
1455 (subrange_type_die): Don't add AT_name here.
1456 (modified_type_die): Rearrange code flow. Do add AT_name here.
1458 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
1460 PR rtl-optimization/26247
1461 PR rtl-optimization/26248
1462 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1464 2006-02-13 Richard Sandiford <richard@codesourcery.com>
1466 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1467 * config/fixtfdi.c: Likewise.
1468 * config/fixunstfdi.c: Likewise.
1469 * config/floatditf.c: Likewise.
1471 2006-02-13 Roger Sayle <roger@eyesopen.com>
1474 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1475 into (X,C2) if C1 is a subset of the bits of C2. Transform
1476 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
1478 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1480 2006-02-13 Josh Conner <jconner@apple.com>
1483 * varasm.c (function_section): Check for section name before
1484 calling select_section on targets that define
1485 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
1486 unlikely_text_section instead of hot_function_section if
1487 first_function_block_is_cold.
1489 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
1492 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1494 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1496 PR rtl-optimization/26222
1497 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1498 after tree->rtl expansion.
1499 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1500 before passing it to emit_move_insn.
1502 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
1504 * doc/invoke.texi (-Write-strings): Document that it is enabled by
1506 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1507 Clarify documentation.
1508 * c-common.h (warn_write_strings): Remove.
1509 * c-common.c (warn_write_strings): Likewise.
1510 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1513 2006-02-12 Roger Sayle <roger@eyesopen.com>
1516 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1517 (do_jump_parts_zero_rtx): New function renamed from
1518 do_jump_parts_equality_rtx. Made static. Add a mode argument.
1519 (do_jump_parts_equality_rtx): New function split out from
1520 do_jump_parts_equality. Old implementation renamed as above.
1521 Call do_jump_parts_zero_rtx if either operand is zero.
1522 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1523 do all of the heavy lifting.
1524 (do_compare_rtx_and_jump): Handle multi-word comparisons by
1525 calling either do_jump_by_parts_greater_rtx or
1526 do_jump_by_parts_equality_rtx.
1527 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1528 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1529 moved to do_compare_rtx_and_jump, call it directly.
1530 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
1531 mode argument. Call do_compare_rtx_and_jump.
1532 (emit_case_nodes): Update calls to do_jump_if_equal.
1534 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1536 PR rtl-optimization/26225
1537 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1539 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
1541 PR rtl-optimization/26232
1542 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1544 2006-02-11 Jason Merrill <jason@redhat.com>
1547 * tree-inline.c (declare_return_variable): Just don't use the
1548 modify target if it's a gimple complex reg and the return slot
1551 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1553 * doc/contrib.texi: Update my entry.
1555 2006-02-10 Geoffrey Keating <geoffk@apple.com>
1557 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1559 2006-02-10 Diego Novillo <dnovillo@redhat.com>
1561 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1564 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
1566 * doc/invoke.texi (-floop-optimize2): Removed.
1567 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1568 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1569 Test flag_branch_on_count_reg only if HAVE_doloop_end.
1570 * common.opt (floop-optimize2): Removed.
1571 (fmove-loop-invariants): Enabled by default.
1573 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
1575 * tree-if-conv.c (combine_blocks): Free the result of
1576 get_loop_exit_edges.
1578 2006-02-10 Jeff Law <law@redhat.com>
1580 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1582 PR tree-optimization/26213
1583 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
1584 loop trying to follow SSA_NAME_VALUE chains.
1586 2006-02-10 Richard Guenther <rguenther@suse.de>
1588 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
1589 deal with structures that end in implicitly variable sized arrays.
1591 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1593 PR rtl-optimization/24762
1594 * df-scan.c (df_bb_refs_record): Record correct registers defined on
1597 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
1599 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
1600 (struct ivopts_data): Add regs_used field.
1601 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
1602 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
1603 instead of loop_data->regs_used;
1604 (free_loop_data): Do not free aux fields for loops.
1605 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
1606 and tree_ssa_iv_optimize_finalize.
1608 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
1610 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
1612 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1615 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
1616 computing the effective result type.
1618 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
1621 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
1622 (tree_overlaps_hard_reg_set): Declare.
1623 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
1624 type and signature to match function type expected by walk_tree.
1625 (tree_overlaps_hard_reg_set): New function.
1626 (decl_conflicts_with_clobbers_p): Rename to:
1627 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
1628 Use tree_overlaps_hard_reg_set. Changed caller.
1629 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
1630 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
1631 * cris.c (cris_md_asm_clobbers): Likewise.
1633 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
1635 * reload1.c (emit_input_reload_insns): Delete code that tries to
1636 inherit using find_equiv_reg.
1638 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
1640 * c-common.h (flag_const_strings): Don't declare.
1641 * c-common.c (flag_const_strings): Remove.
1642 * c.opt (fconst_strings): Remove.
1643 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
1644 <OPT_Wwrite_strings>: Don't set flag_const_strings.
1645 (c_common_init_options): Don't set flag_const_strings.
1646 * doc/invoke.texi (-fno-const-strings): Remove documentation.
1648 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
1650 * arm.md (tlobits_cbranch): New pattern.
1651 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
1652 testing a single bit.
1654 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1657 * tree-ssa-pre.c (create_component_ref_by_pieces):
1658 Handle RETURN_DECL like VAR_DECL.
1660 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1663 * fold-const.c (fold_indirect_ref_1): Fold
1664 "*(foo *)&complexfoo" to "__real__ complexfoo"
1665 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
1667 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
1669 * tree-flow-inline.h (var_can_have_subvars):
1670 Volatile variables should not have subvariables.
1672 2006-02-09 Diego Novillo <dnovillo@redhat.com>
1675 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
1676 multiplying unsigned values.
1679 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1681 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
1683 2006-02-08 Jason Merrill <jason@redhat.com>
1686 * tree.def: Elaborate on difference from MODIFY_EXPR.
1687 * doc/c-tree.texi (INIT_EXPR): Likewise.
1688 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
1689 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
1690 (gimplify_target_expr): Likewise.
1691 (gimplify_cond_expr): Remove target handling.
1692 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
1693 (gimplify_expr): Clobber it here.
1694 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
1695 Do return slot optimization if we have an INIT_EXPR.
1698 * tree-inline.c (declare_return_variable): Also clear
1699 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
1702 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
1705 * gimplify.c (gimplify_one_sizepos): Fix typo.
1707 2006-02-08 Jeff Law <law@redhat.com>
1709 PR tree-optimization/21417
1710 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
1711 across a backedge if the control statement at the end of the
1712 block is data dependent on other statements in the same block.
1713 (record_temporary_equivalences_from_stmts): Remove over-conservative
1714 test for threading across backedges.
1716 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
1717 control statement, handle all three special cases in the same
1718 manner as they all have the same desired solution. No longer
1719 special case edge flag updating when the post dominator is
1722 2006-02-08 Roger Sayle <roger@eyesopen.com>
1724 * tree.def (CHAR_TYPE): Remove.
1725 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
1726 * dwarf2out.c (base_type_die, is_base_type): Likewise.
1727 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
1728 (gen_string_type_die): Delete unreachable function.
1730 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
1731 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
1732 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
1733 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
1734 * builtins.c (type_to_class): Likewise.
1735 * fold-const.c (fold_convert, build_range_check,
1736 merge_ranges): Likewise.
1737 * expr.c (count_type_elements): Likewise.
1738 * c-pretty-print.c (pp_c_type_specifier): Likewise.
1739 * stor-layout.c (layout_type): Likewise.
1740 * ipa-type-escape.c (type_to_consider): Likewise.
1741 * gimplify.c (omp_firstprivatize_type_sizes,
1742 gimplify_type_sizes): Likewise.
1743 * explow.c (promote_mode): Likewise.
1744 * tree-sra.c (is_sra_scalar_type): Likewise.
1745 * varasm.c (output_constant): Likewise.
1746 * tree-inline.c (remap_type_1): Likewise.
1747 * convert.c (convert_to_pointer, convert_to_real,
1748 convert_to_integer, convert_to_complex): Likewise.
1750 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
1752 * df-scan.c (df_def_record_1): A set destination may
1753 be a parallel regardless of mode.
1755 2006-02-08 Roger Sayle <roger@eyesopen.com>
1758 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
1759 * config/mips/_tilib.c: Remove.
1760 * config/fixtfdi.c: New libgcc source file.
1761 * config/fixunstfdi.c: New source file.
1762 * config/floatditf.c: New source file.
1763 * config/floatunditf.c: New souce file.
1764 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1765 files above instead of config/mips/_tilib.c.
1766 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1768 2006-02-08 Jeff Law <law@redhat.com>
1770 PR tree-optimization/26169
1771 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
1774 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
1776 * df.h (DF_REG_SIZE): Return the length of the initialized
1779 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
1781 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
1782 __muldf3): Return a correctly signed zero.
1784 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
1786 * passes.c (register_one_dump_file): Accept the current properties
1787 instead of pass number. Adjust call to dump_register. Remove
1789 (register_dump_files): Now a wrapper around...
1790 (register_dump_files_1): ... this one. Do not modify the pass
1792 (next_pass_1): Cosmetic fix.
1793 (execute_todo): Keep second parameter only. Use curr_properties
1794 instead of fetching it from the pass structure. Check and set
1796 (execute_one_pass): Handle TODO_set_props. Use curr_properties
1797 instead of fetching it from the pass structure. Fix calls to
1798 execute_todo. Update curr_properties and initialize .vcg RTL dump
1799 after running the pass. Reset last_verified.
1800 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
1802 (FIRST_AUTO_NUMBERED_DUMP): New.
1803 (dump_register): Remove "num" parameter, assign it within the
1805 (get_dump_file_name): Modify template for dumps.
1806 * tree-dump.h (dump_register): Adjust prototype.
1807 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
1808 (PROP_trees): Add PROP_gimple_lomp.
1809 (TODO_set_props): New.
1810 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
1811 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
1812 * cfgexpand.c (pass_expand): Destroy PROP_trees.
1814 2006-02-08 Jakub Jelinek <jakub@redhat.com>
1816 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
1817 (sparc64-*-linux*): Likewise.
1818 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
1819 * config/sparc/t-linux: New file.
1820 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
1821 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
1822 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
1823 -m32 -mlong-double-128.
1825 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
1826 * config/alpha/t-linux: New file.
1827 * config/alpha/libgcc-alpha-ldbl.ver: New file.
1829 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
1830 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
1831 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
1832 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
1833 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
1834 (CPP_ARCH32_SPEC): Remove.
1836 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
1838 PR tree-optimization/26145
1839 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
1842 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1845 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
1846 >= 240000 when generating code for SOM runtime.
1847 (output_indirect_call): Don't use "b,l" instruction for indirect calls
1848 to $$dyncall when generating code for SOM runtime..
1850 2006-02-07 Dirk Mueller <dmueller@suse.com>
1853 * doc/invoke.texi (-Wsequence-point): Update documentation
1854 that -Wsequence-point is implemented for C++ as well.
1856 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1858 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
1859 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
1860 (LIB_SPEC): Likewise.
1861 * doc/invoke.texi (SPARC options): Document -pthread.
1863 2006-02-07 Geoffrey Keating <geoffk@apple.com>
1865 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
1868 2006-02-07 Roger Sayle <roger@eyesopen.com>
1870 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
1871 Correct comment describing BOOLEAN_TYPE.
1873 2006-02-07 Dirk Mueller <dmueller@suse.com>
1875 * c.opt: C++ frontend supports -Wdiv-by-zero.
1876 * c-opts.c (c_common_handle_option): Remove dead case.
1878 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1880 * configure.ac (TLS assembler check): Do not enable TLS by
1881 default on SPARC/Solaris before version 10.
1882 * configure: Regenerate.
1884 2006-02-07 David Edelsohn <edelsohn@gnu.org>
1886 * doc/invoke.texi (xl-compat): Document conversion and support
1889 2006-02-07 Jeff Law <law@redhat.com>
1891 * tree-vrp.c (find_conditional_asserts): Update comments.
1892 (simplify_stmt_for_jump_threading): New.
1893 (identify_jump_threads, finalize_jump_threads): New.
1894 (vrp_finalize): Call identify_jump_threads.
1895 (execute_vrp): Call finalize_jump_threads.
1896 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
1897 (vrp_element, vrp_data, vrp_element_p): Remove.
1898 (vrp_hash_elt, vrp_variables_stack): Remove.
1899 (vrp_hash, vrp_eq, record_range): Remove.
1900 (simplify_cond_and_lookup_avail_expr): Remove.
1901 (extract_range_from_cond): Remove.
1902 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
1903 (simplify_stmt_for_jump_threading): New.
1904 (dom_thread_across_edge): New wrapper.
1905 (tree_ssa_dominator_optimize): No longer initialize or
1906 finalize any of the VRP datastructures. Remove iteration
1907 step and simplify as a result of removal of iteration step.
1908 (pass_dominator): Perform a cfg cleanup after DOM.
1909 (dom_opt_finalize_block): Use the new common routines
1910 for threading jumps. Simplify stack management slightly.
1911 No longer need to unwind VRP state.
1912 (record_equivalences_from_incoming_edge): No longer record
1914 (eliminate_redundant_computations): No longer call
1915 simplify_cond_and_lookup_avail_expr.
1916 * tree-flow.h (potentially_threadable_block): Prototype.
1917 (thread_across_edge): Likewise.
1918 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
1919 (tree-ssa-threadedge.o): Add dependencies.
1920 * tree-ssa-threadedge.c: New file.
1921 * passes.c (init_optimization_passes): Merge PHIs before
1922 calling VRP. Run VRP again late in the SSA optimization pipeline.
1924 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1926 * df-core.c (df_set_blocks): Do not dereference function pointers.
1927 (df_finish1): Likewise.
1928 (df_hybrid_search_forward): Likewise.
1929 (df_hybrid_search_backward): Likewise.
1930 (df_iterative_dataflow): Likewise.
1931 (df_analyze_problem): Likewise.
1932 (df_compact_blocks): Likewise.
1933 (df_dump): Likewise.
1934 * df-scan.c (df_rescan_blocks): Likewise.
1935 (df_record_entry_block_defs): Likewise.
1937 * genconditions.c (write_conditions): Guard the definition of
1938 'insn_conditions' with the check on GCC version.
1939 (write_writer): Guard the traversal 'insn_conditions' with
1940 the check on GCC version.
1942 2006-02-07 Richard Guenther <rguenther@suse.de>
1946 2006-01-30 Richard Guenther <rguenther@suse.de>
1948 * gimplify.c (gimplify_target_expr): Handle easy cases
1949 without creating a temporary.
1951 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
1953 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
1954 use of float in probability computations. Use edge probabilities
1955 in place of statically computed probabilities.
1956 (min_spec_prob): New static variable.
1957 (schedule_insns): Initialize it.
1958 (GET_SRC_PROB): Removed.
1959 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
1961 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
1964 * config/ia64/unwind-ia64.c: Revert last change.
1965 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
1966 (INCOMING_FRAME_SP_OFFSET): Define.
1968 2006-02-06 Roger Sayle <roger@eyesopen.com>
1970 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
1972 2006-02-07 Ben Elliston <bje@au.ibm.com>
1974 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
1975 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
1976 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
1977 (ix86_return_in_memory): Handle TDmode.
1978 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
1979 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
1981 2006-02-06 Richard Sandiford <richard@codesourcery.com>
1983 * reorg.c (dbr_schedule): Use dump_file instead of file.
1985 2006-02-06 Steve Ellcey <sje@cup.hp.com>
1988 * config/ia64/predicates.md (extr_len_operand): New predicate.
1989 * config/ia64/ia64.md (extv): Tighten constraints.
1991 (*tbit_and_2): Ditto.
1992 (*tbit_and_3): Ditto.
1993 (*tbit_or_2): Ditto.
1994 (*tbit_or_3): Ditto.
1998 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
2001 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2003 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2005 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2006 loop_optimizer_init and loop_optimizer_finalize
2007 * tree-ssa-sink.c (execute_sink_code): Ditto.
2008 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2009 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2010 tree_ssa_loop_done): Ditto.
2011 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2012 * sched-ebb.c: Include output.h.
2013 (schedule_ebbs): Do not use dump argument.
2014 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2015 * loop.c (loop_dump_stream): Removed.
2016 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2018 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2019 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2020 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2021 loop_iterations, strength_reduce, record_biv, record_giv,
2022 final_giv_value, check_final_value, check_ext_dependent_givs,
2023 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2024 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2025 dump_file instead of loop_dump_stream.
2026 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2028 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2030 * flow.c (life_analysis, rest_of_handle_life): Ditto.
2031 * haifa-sched.c: Include output.h
2032 (schedule_insns, sched_init): Do not use dump argument.
2033 * mode-switching.c (optimize_mode_switching): Ditto.
2034 * modulo-sched.c (stats_file): Removed.
2035 (print_node_sched_params): Do not call argument dump_file.
2036 (sms_schedule_by_order, loop_canon_p, sms_schedule,
2037 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
2039 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2041 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2042 rtl_loop_init, rtl_loop_done): Ditto.
2043 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2044 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2046 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2047 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2048 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2049 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2050 * emit-rtl.c (renumber_insns): Ditto.
2051 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2052 expand_gimple_basic_block, tree_expand_cfg): Ditto.
2053 * regclass.c (regclass): Ditto.
2054 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2055 remove_ssa_form, rewrite_out_of_ssa): Ditto.
2056 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2057 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2059 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2060 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2062 * gcse.c (gcse_file, debug_stderr): Removed.
2063 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2064 rest_of_handle_gcse): Do not use dump argument.
2065 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2066 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2067 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2068 compute_code_hoist_vbeinout, compute_code_hoist_data,
2069 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2070 compute_store_table, build_store_vectors, insert_insn_start_bb,
2071 insert_store, remove_reachable_equiv_notes, replace_store_insn,
2072 store_motion): Use dump_file instead of gcse_file.
2073 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2074 * profile.c (profile_dump_file): Removed.
2075 (branch_prob): Use dump_file instead of profile_dump_file.
2076 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2078 * tree-ssa-copy.c (dump_copy_of): Ditto.
2079 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2080 dump file to life_analysis.
2081 * bt-load.c (branch_target_load_optimize): Ditto.
2082 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2084 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2085 regclass, dbr_schedule): Declaration changed.
2086 * sched-int.h (sched_init): Declaration changed.
2087 * tree-profile.c (tree_profile_dump_file): Removed.
2088 (tree_profile_hooks): Removed profile_dump_file hook.
2089 * rtl-profile (rtl_profile_dump_file): Removed.
2090 (rtl_profile_hooks): emoved profile_dump_file hook.
2091 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2093 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2094 * tree-cfg.c (build_tree_cfg): Ditto.
2095 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2096 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2097 Declaration changed.
2098 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2099 life_analysis and schedule_insns.
2100 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2102 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2104 * config/mips/mips.c (mips_reorg): Ditto.
2105 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2108 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
2110 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2111 (s390_mangle_fundamental_type): New.
2112 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2115 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2116 (alpha_mangle_fundamental_type): New.
2117 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2120 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2122 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2124 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2125 (sparc_mangle_fundamental_type): New.
2127 2006-02-06 Jakub Jelinek <jakub@redhat.com>
2129 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2130 (s390x-*-linux*): Likewise.
2131 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2132 * config/s390/t-linux: New file.
2134 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2136 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2137 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2139 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
2141 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2142 (ANTIC_SAFE_LOADS): New macro.
2143 (find_or_generate_expression): Add prototype.
2144 (set_contains_value): Allow null set for sake of not always having
2145 to allocate ANTIC_SAFE_LOADS.
2146 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2147 Allow COMPONENT_REF too.
2148 (valid_in_set): Allow COMPONENT_REF.
2149 Check ANTIC_SAFE_LOADS too.
2150 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2151 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2153 (can_PRE_operation): Add COMPONENT_REF.
2154 (create_component_ref_by_pieces): New function.
2155 (create_expression_by_pieces): Use create_component_ref_by_pieces.
2156 (insert_aux): Move AGGREGATE_TYPE_P check here.
2157 (compute_avail): Set bb local stmt uids.
2158 (pass_pre): Use TODO_update_ssa_only_virtuals.
2160 2006-02-06 Ben Elliston <bje@au.ibm.com>
2162 * configure.ac: Unconditionally disable decimal float by default.
2163 * configure: Regenerate.
2165 2006-02-06 Ben Elliston <bje@au.ibm.com>
2167 * read-rtl.c (read_name): Terminate reading on EOF.
2169 2006-02-06 Ben Elliston <bje@au.ibm.com>
2171 * dfp.c (decimal_real_arithmetic): Change second argument type
2172 from int to enum tree_code. Do not always return true, but now
2173 return result of any call to decimal_do helper functions.
2174 * dfp.h (decimal_real_arithmetic): Update prototype.
2176 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
2178 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2180 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
2183 * tree-cfg.c (cleanup_dead_labels): Also don't remove
2186 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2188 * tree-vrp.c (cfg_loops): Removed.
2189 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2190 Use current_loops instead of cfg_loops. Pass flags to
2191 loop_optimizer_init.
2192 * cfgloopmanip.c (fix_loop_structure): Update only available
2194 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2195 loop_optimizer_init.
2196 * modulo-sched.c (build_loops_structure): Removed.
2197 (sms_schedule): Use loop_optimizer_init.
2198 * loop-init.c (loop_optimizer_init): Use flags to determine
2199 which properties of loops to prepare.
2200 (rtl_loop_init): Pass flags to loop_optimizer_init.
2201 * tree-ssa-sink.c (execute_sink_code): Ditto.
2202 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2203 * tree-ssa-pre.c (init_pre): Ditto.
2204 * cfgloop.h (LOOPS_NORMAL): New.
2205 (loop_optimizer_init): Declaration changed.
2207 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2209 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2210 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2212 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2214 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2216 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2217 * pa/t-pa64: Delete quadlib.c rule.
2218 * pa/x-ada: Revert last change.
2219 * pa/t-pa: Revert last change. Delete quadlib.c rule.
2221 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2223 PR rtl-optimization/26087
2224 * rtlanal.c (canonicalize_condition): Do not cross basic block
2227 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
2230 * config/ia64/ia64.c: Include debug.h.
2231 (MAX_ARTIFICIAL_LABEL_BYTES): New.
2232 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2233 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2234 (process_epilogue, process_set, process_for_unwind_directive):
2235 Output unwind info only if requested. Add CFA info if requested.
2236 Add new arguments as needed. Adjust callers.
2237 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2239 (DWARF2_FRAME_INFO): Define to zero.
2240 * config/ia64/unwind-ia64.c: Remove code that compensated for
2241 the CFA offset error fixed above.
2242 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2243 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2244 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2245 -funwind-tables and -fexceptions to enable frame info.
2246 (dwarf2out_frame_init): Define initial CFA even if
2247 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
2248 DWARF2_UNWIND_INFO is nonzero, not just defined.
2249 (dwarf2out_frame_finish): Output non-EH call frame info only
2250 if DWARF2_FRAME_INFO is nonzero.
2251 (convert_cfa_to_loc_list,
2252 compute_frame_pointer_to_cfa_displacement): Define even if
2253 unwind info is not supported.
2254 (gen_subprogram_die): Use the above unconditionally. Remove
2255 legacy alternate code.
2256 * toplev.c (compile_file): Compile in call to
2257 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2258 (lang_dependent_init): Ditto for dwarf2out_frame_init.
2260 2006-02-04 David Edelsohn <edelsohn@gnu.org>
2261 Jakub Jelinek <jakub@redhat.com>
2263 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2264 IBM extended float format long double as "g" on powerpc*-linux.
2266 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2269 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2270 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2272 2006-02-03 Jason Merrill <jason@redhat.com>
2275 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2278 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2279 on the return slot if it's an NRV.
2281 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
2283 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2284 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2285 rewrite_use): Do not handle USE_OUTER.
2286 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2287 add_iv_outer_candidates, may_replace_final_value,
2288 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2289 (find_interesting_uses_op): Functionality of
2290 find_interesting_uses_outer_or_nonlin moved here.
2291 (find_interesting_uses_outside): Use find_interesting_uses_op.
2293 2006-02-03 Alan Modra <amodra@bigpond.net.au>
2296 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2298 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
2299 Ulrich Weigand <uweigand@de.ibm.com>
2302 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2303 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2304 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2305 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2307 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2308 (s390_rtx_costs): Use the new fields to calculate rtx costs.
2309 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2310 Define secondary reloads for TFmode moves.
2311 (constant_modes): Add TFmode.
2312 (NR_C_MODES): Set to 8.
2313 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2315 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2316 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2317 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2318 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2319 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2320 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2321 (FPR mode macro): Add TFmode.
2322 (DSF mode macro): New.
2323 (<de>, <dee> mode attributes): Removed.
2324 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2325 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2326 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2327 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2328 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2329 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2330 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2331 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2332 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2333 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2334 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2335 "*negabs<mode>2", "sqrt<mode>2"):
2336 Changed <de> to <xde>. R constraint replaced by <Rf>.
2337 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2339 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2340 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2341 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2343 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2344 "extenddftf2", "extendsftf2"): New expanders.
2345 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2346 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2347 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2348 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2350 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2351 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2352 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2353 __floatditf): Add a GCC_4.1.0 symbol version tag.
2354 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2357 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
2360 * config/i386/i386.c (ix86_function_ok_for_sibcall):
2361 Use targetm.binds_local_p instead of TREE_PUBLIC.
2363 2006-02-02 Roger Sayle <roger@eyesopen.com>
2365 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2366 on INTEGER_TYPEs to indicate that it denotes a character type.
2367 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2368 signed_char_type_node, unsigned_char_type_node and char_type_node.
2369 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2370 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
2371 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2373 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
2374 Daniel Berlin <dberlin@dberlin.org>
2376 * tree-tailcall.c (arg_needs_copy_p): New function.
2377 (eliminate_tail_call): Use arg_needs_copy_p.
2378 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2379 (add_virtual_phis): New function.
2381 2006-02-02 Jakub Jelinek <jakub@redhat.com>
2383 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2384 #ignore instead of #scratch for %g7 .register directive.
2386 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
2388 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2391 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
2393 * flow.c (calculate_global_regs_live): Assert that there aren't any
2396 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
2398 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2400 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2401 bsi_after_labels iterator.
2402 * tree-if-conv.c (find_phi_replacement_condition,
2403 replace_phi_with_cond_modify_expr): Likewise.
2404 * tree-scalar-evolution.c (scev_const_prop): Likewise.
2405 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2407 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2409 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2411 2006-02-02 Diego Novillo <dnovillo@redhat.com>
2414 * tree-cfg.c (move_block_to_fn): Clear out the basic block
2415 array after growing it.
2417 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2420 * fold-const.c (fold_checksum_tree): Change type of buf.
2422 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
2424 * reload.c (push_secondary_reload): Initialize t_icode.
2426 2006-02-01 Jakub Jelinek <jakub@redhat.com>
2428 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2429 -msoft-float -mlong-double-128 only issue a warning, but don't
2430 swich to DFmode long double.
2432 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
2434 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2435 has a constant equivalent, iterate over equivalents for arg0,
2436 calling simplify_relational_operation and if there's a result
2437 cheaper than X, apply fold_rtx and return the result.
2439 2006-02-01 Jan Hubicka <jh@suse.cz>
2441 * opts.c (no_unit_at_a_time_default): New global variable.
2442 (decode_options): Use it.
2443 * opts.h (no_unit_at_a_time_default): Declare.
2445 2006-02-01 Paul Brook <paul@codesourcery.com>
2447 * function.c (assign_parm_setup_reg): Use function argument promotion
2449 * expr.c (expand_expr_real_1): Use function argument promotion rules
2452 2006-02-01 Steve Ellcey <sje@cup.hp.com>
2454 * gcc.c (process_command): Change j to 'unsigned int'.
2456 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2459 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2460 Use the corrected index for the character
2461 out of the string constant.
2463 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2465 * mode-switching.c (optimize_mode_switching): Fix size
2466 allocated for bb_info[n_entities].
2468 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
2470 * gcc.c (main): Correct type that is allocated for
2471 explicit_link_files.
2473 2006-01-31 Jakub Jelinek <jakub@redhat.com>
2475 * config/s390/s390.c (init_alignment_context): Set
2476 ALIAS_SET_MEMORY_BARRIER on the MEM.
2477 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2479 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
2482 * loop-unroll.c (unroll_loop_runtime_iterations): Free
2484 * tree-ssa-live.c (type_var_init): Allocate bitmap after
2487 2006-01-31 Marcin Dalecki <martin@dalecki.de>
2489 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2490 * regrename.c: Ditto.
2491 * tree-ssa-loop-im.c: Ditto.
2492 * tree-dump.c: Ditto.
2493 * tree-complex.c: Ditto.
2494 * genrecog.c: Ditto.
2495 * tree-ssa-threadupdate.c: Ditto.
2497 * java/class.c: Ditto.
2498 * java/jcf-parse.c: Ditto.
2499 * java/resource.c: Ditto.
2500 * java/except.c: Ditto.
2501 * java/jvspec.c: Ditto.
2502 * java/jcf-write.c: Ditto.
2503 * java/jcf-path.c: Ditto.
2504 * java/gjavah.c: Ditto.
2505 * java/zextract.c: Ditto.
2506 * java/jcf-io.c: Ditto.
2507 * java/jcf.h: Ditto.
2508 * java/buffer.c: Ditto.
2509 * java/lang.c: Ditto.
2510 * java/parse-scan.y: Ditto.
2511 * java/lex.c: Ditto.
2512 * java/lex.h: Ditto.
2513 * cfgloopmanip.c: Ditto.
2514 * postreload-gcse.c: Ditto.
2515 * tree-ssa-loop-manip.c: Ditto.
2516 * postreload.c: Ditto.
2517 * tree-ssa-loop-ch.c: Ditto.
2521 * diagnostic.c: Ditto.
2523 * genoutput.c: Ditto.
2525 * cfghooks.c: Ditto.
2526 * cfgloopanal.c: Ditto.
2527 * objc/objc-act.c: Ditto.
2529 * genextract.c: Ditto.
2530 * genautomata.c: Ditto.
2531 * pretty-print.c: Ditto.
2533 * cgraphunit.c: Ditto.
2536 * haifa-sched.c: Ditto.
2537 * dominance.c: Ditto.
2539 * tree-ssa-loop-ivopts.c: Ditto.
2541 * mode-switching.c: Ditto.
2542 * modulo-sched.c: Ditto.
2544 * ipa-pure-const.c: Ditto.
2546 * fix-header.c: Ditto.
2548 * tree-stdarg.c: Ditto.
2549 * ipa-utils.c: Ditto.
2550 * loop-init.c: Ditto.
2551 * ipa-inline.c: Ditto.
2554 * alloc-pool.c: Ditto.
2555 * dwarf2out.c: Ditto.
2557 * genattrtab.c: Ditto.
2558 * tree-ssa-loop-ivcanon.c: Ditto.
2562 * fortran/gfortranspec.c: Ditto.
2564 * local-alloc.c: Ditto.
2565 * langhooks.c: Ditto.
2566 * function.c: Ditto.
2567 * tree-vectorizer.c: Ditto.
2569 * ipa-type-escape.c: Ditto.
2571 * tree-if-conv.c: Ditto.
2574 * tree-data-ref.c: Ditto.
2575 * loop-unroll.c: Ditto.
2576 * treelang/treetree.c: Ditto.
2579 * ggc-common.c: Ditto.
2581 * coverage.c: Ditto.
2583 * tree-cfgcleanup.c: Ditto.
2584 * tree-ssa-pre.c: Ditto.
2585 * cfgcleanup.c: Ditto.
2586 * loop-invariant.c: Ditto.
2588 * ipa-prop.c: Ditto.
2589 * print-tree.c: Ditto.
2590 * conflict.c: Ditto.
2591 * ggc-page.c: Ditto.
2592 * sched-deps.c: Ditto.
2593 * regclass.c: Ditto.
2594 * tree-object-size.c: Ditto.
2596 * bb-reorder.c: Ditto.
2597 * resource.c: Ditto.
2598 * var-tracking.c: Ditto.
2600 * df-problems.c: Ditto.
2601 * reg-stack.c: Ditto.
2604 * sched-rgn.c: Ditto.
2605 * tree-ssa-structalias.c: Ditto.
2606 * tree-ssa-reassoc.c: Ditto.
2607 * config/darwin-c.c: Ditto.
2608 * config/darwin.c: Ditto.
2609 * config/arm/arm.c: Ditto.
2611 * collect2.c: Ditto.
2614 2006-01-31 Nicolas Pitre <nico@cam.org>
2616 * arm.md (smaxsi3): Make aware of smax_m1.
2619 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
2621 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
2623 2006-01-31 Richard Guenther <rguenther@suse.de>
2625 * doc/invoke.texi (-msselibm): Document.
2626 * target.h (expand_library_builtin): New target hook.
2627 * builtins.c (expand_builtin): Use expand_library_builtin.
2628 (default_expand_library_builtin): New function.
2629 * gcc.c (LINK_GCC_MATH_SPEC): Define.
2630 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
2631 (link_gcc_math_spec): Declare.
2632 (static_specs): Add link_gcc_math_spec.
2633 * expr.h (default_expand_library_builtin): Declare.
2634 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2635 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
2636 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
2637 * config/i386/i386.opt (msselibm): New target option.
2638 * config/i386/i386.c (ix86_builtin_function_variants): New array.
2639 (ix86_init_sse_abi_builtins): New function.
2640 (ix86_expand_library_builtin): Likewise.
2641 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
2642 (override_options): Handle error conditions wrt -msselibm.
2643 (ix86_builtins): Add function codes for SSE2 ABI builtins.
2644 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
2645 * doc/extend.texi (__builtin_sse2_*): Document new target specific
2648 2006-01-31 Richard Guenther <rguenther@suse.de>
2649 Paolo Bonzini <bonzini@gnu.org>
2651 * doc/install.texi (--disable-libgcc-math): Document.
2653 2006-01-30 Marcin Dalecki <martin@dalecki.de>
2655 * expr.h (expand_normal): new inline function.
2656 * builtins.c: use it, use EXPAND_NORMAL explicitely.
2658 * dwarf2out.c: use it.
2663 * config/sparc/sparc.c: use it.
2664 * config/i386/i386.c: use it.
2665 * config/rs6000/rs6000.c: use it.
2666 * config/arm/arm.c: use it.
2667 * config/mips/mips.c: use it.
2668 * stmt.c: use it, use EXPAND_NORMAL explicitely.
2670 2006-01-30 Roger Sayle <roger@eyesopen.com>
2672 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
2673 argv to the appropriate type.
2675 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
2677 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
2680 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
2683 * config/s390/s390.c (struct machine_function): New flag
2684 decomposed_literal_pool_addresses_ok_p.
2685 (s390_reorg): Set it before final stage of literal pool transforms.
2686 (s390_decompose_address): Only accept displacements of the form
2687 (minus (label_ref ...) (label_ref ...)) if that flag is set.
2689 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
2691 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
2692 the comparison routine return.
2694 2006-01-30 Michael Matz <matz@suse.de>
2696 * global.c (find_reg): Only evict for global regs.
2697 Take n_refs into account and dump more info.
2699 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
2702 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
2703 (pragma_trap, pragma_nosave_low_regs): Likewise.
2704 (current_function_anonymous_args): Likewise.
2705 (sh_deferred_function_attributes): New variable.
2706 (sh_deferred_function_attributes_tail): Likewise.
2707 (print_operand): For '@', look up trap_exit attribute.
2708 (calc_live_regs): Look up trapa_handler attribute. For trapa
2709 handlers, save/restore fpscr, but don't do any other
2710 interrupt-specific saves.
2711 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
2712 Fix check for partially saved registers to check for SHmedia.
2713 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
2714 (sh_output_function_epilogue): Don't clear any of the removed
2716 (sh_insert_attributes): Don't check pragma_interrupt.
2717 Insert deferred attributes. Check that interrupt attribute is
2718 present for other attributes that require its presence.
2719 (sh_attribute_table): Add new attributes trapa_handler and
2721 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
2722 Don't check for pragma_interrupt. Don't store argument.
2723 * sh.h (pragma_interrupt, sp_switch): Don't declare.
2724 (sh_deferred_function_attributes): Declare.
2725 (sh_deferred_function_attributes_tail): Likewise.
2726 * sh.md (sp_switch_1): Add operand. Change generator caller.
2727 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
2728 (*return_i): Don't use when trap_exit attribute is in effect.
2729 (*return_trapa): New insn pattern.
2731 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
2732 setting c_target_objs and cxx_target_objs.
2733 * t-sh: Add rule for sh-c.o.
2735 2006-01-30 Richard Guenther <rguenther@suse.de>
2738 * gimplify.c (gimplify_target_expr): Handle easy cases
2739 without creating a temporary.
2741 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
2743 * vec.h (safe_grow): Remove duplicated line.
2745 2006-01-29 Diego Novillo <dnovillo@redhat.com>
2748 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
2749 (expand_omp): ... here.
2750 (expand_omp_parallel): Only remove barriers for combined
2751 parallel+workshare constructs.
2753 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
2757 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
2758 * tree.c (build_qualified_type): Chain the new type to the original
2759 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2760 a POINTER_TYPE or a REFERENCE_TYPE respectively.
2761 (build_pointer_type_for_mode): Only return unqualified types.
2762 (build_reference_type_for_mode): Likewise.
2764 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
2766 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
2767 * Makefile.in (CXX_COMPAT_WARN): Define.
2768 * configure: Regenerate.
2770 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
2773 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
2776 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2778 * toplev.c: Fix thinko.
2780 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
2781 Marcin Dalecki <martin@dalecki.de>
2783 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
2784 (push_srcloc): Use XNEW.
2785 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
2787 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2789 * df-core.c (df_set_blocks): Deleted all variable.
2791 2006-01-28 Ian Lance Taylor <ian@airs.com>
2793 * cgraphunit.c (cgraph_assemble_pending_functions): Call
2794 cgraph_output_pending_asms.
2796 2006-01-28 Zack Weinberg <zackw@panix.com>
2798 * c.opt: Add -W(no-)overlength-strings.
2799 * doc/invoke.texi: Document it.
2800 * c-opts.c (c_common_handle_option): -pedantic implies
2801 -Woverlength-strings, if not explicitly disabled already.
2802 (c_common_post_options): -Woverlength-strings defaults to off, and
2803 is always off for C++.
2804 * c-common.c (fix_string_type): Issue warning about strings longer
2805 than is portable only if warn_overlength_strings. Rearrange code
2806 a little for clarity.
2807 * configure.in: Check for -Wno-overlength-strings as well before
2808 enabling -pedantic in stage 1.
2809 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
2810 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
2812 * genconditions.c (write_header, write_one_condition)
2813 (write_conditions, write_writer): Consolidate very long strings
2814 that were broken up to fit in C89 portable limit. Don't use
2815 printf when fputs will do.
2817 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
2819 * combine.c (simplify_comparison <AND>): Check
2820 TRULY_NOOP_TRUNCATION before start using a subreg.
2822 * config/mips/mips.md (*branch_zero<mode>,
2823 *branch_zero<mode>_inverted, *branch_equality<mode>,
2824 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
2825 Remove mode check from comparisons.
2827 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
2829 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
2831 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2833 * expmed.c (const_mult_add_overflow_p): Remove.
2834 * expr.h: Remove the prototype for const_mult_add_overflow_p.
2836 * recog.c (validate_replace_rtx_subexp): Remove.
2837 * recog.h: Remove the prototype for
2838 validate_replace_rtx_subexp.
2840 * integrate.h: Remove the prototype for
2841 copy_decl_for_inlining.
2842 * rtl.h: Remove the prototype for mark_constant_function.
2843 * tree-vectorizer.h: Remove the prototype for
2844 vect_strip_conversion.
2846 * modulo-sched.c (create_partial_schedule,
2847 free_partial_schedule, reset_partial_schedule): Make them
2850 * hooks.c (hook_bool_rtx_int_false): Remove.
2851 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
2853 2006-01-28 David Edelsohn <edelsohn@gnu.org>
2855 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
2856 and -mlong-double-128 are incompatible.
2857 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
2858 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
2859 (TARGET_LIBGCC2_CFLAGS): Define.
2860 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
2861 (TARGET_LIBGCC2_CFLAGS): Same.
2862 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
2864 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
2867 * c-typeck.c (build_binary_op): Perform implicit casts of
2868 operands before shortening them.
2870 * cfgloopmanip.c (split_loop_bb): Remove.
2871 * cfgloop.h: Remove the prototype for split_loop_bb.
2873 * cfgloop.c (flow_loop_outside_edge_p): Remove.
2874 * cfgloop.h: Remove the prototype for
2875 flow_loop_outside_edge_p.
2877 * emit-rtl.c (init_virtual_regs): Make it static.
2878 * function.h: Remove the prototype for init_virtual_regs.
2880 * recog.c (peephole2_optimize): Make it static.
2881 * recog.h: Remove the prototype for peephole2_optimize.
2883 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2885 * df-scan.c (df_record_entry_block_defs): Check if
2886 INCOMING_RETURN_ADDR_RTX is defined.
2888 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
2889 Kenneth Zadeck <zadeck@naturalbridge.com>
2891 PR rtl-optimization/24762
2892 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2893 * targhooks.c (hook_void_bitmap): New hook prototype.
2894 * targhoohs.h (hook_void_bitmap): Ditto.
2895 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
2896 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
2897 * target.h (live_on_entry): New function pointer.
2898 * df-scan.c (df_all_hard_regs): Removed.
2899 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
2900 (df_scan_free_internal): Added df->entry_block_defs.
2901 (df_scan_alloc): Ditto.
2902 (df_scan_dump): Ditto.
2903 (df_uses_record): Plumbed flag field properly thru calls.
2904 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
2905 This part fixes PR24762.
2906 (df_bb_refs_record): Added code to make the frame and arg
2907 pointers live in EH blocks.
2908 (df_refs_record): Added call to df_record_entry_block_defs.
2909 (df_record_entry_block_defs): New function.
2910 * df-core.c: Added comments to describe new artifical defs.
2911 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
2912 (entry_block_defs): New field in struct df.
2913 (df_all_hard_regs): Deleted.
2914 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
2915 * df-problems.c (df_ru_bb_local_compute_process_def):
2916 Added code to handle artifical defs in the entry to a function.
2917 (df_ru_bb_local_compute): Ditto.
2918 (df_rd_bb_local_compute_process_def): Ditto.
2919 (df_rd_bb_local_compute): Ditto.
2920 (df_lr_bb_local_compute): Ditto.
2921 (df_ur_bb_local_compute): Ditto.
2922 (df_urec_bb_local_compute): Ditto.
2923 (df_chain_create_bb): Ditto.
2924 (df_ur_local_finalize): Removed entry.
2925 (df_urec_init): Ditto.
2926 (df_urec_local_finalize): Ditto.
2927 (df_ri_bb_compute): Added detection of last use of pseudos.
2928 * Makefile.in (df-scan.o): Updated dependencies.
2929 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
2930 * config/mips/mips.c (mips_set_live_on_entry): Added.
2931 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
2933 * dce.c (marked_insn_p): Added code to handle artifical defs.
2935 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
2937 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
2939 (_mm_cvtsi128_si64): Likewise.
2940 (_mm_cvtsd_si64): Likewise.
2941 (_mm_cvttsd_si64): Likewise.
2942 (_mm_cvtsi64_sd): Likewise.
2943 (_mm_cvtsi64_si128): Likewise.
2944 * config/i386/mmintrin.h (_m_from_int64): Likewise.
2945 (_mm_cvtsi64_m64): Likewise.
2946 (_m_to_int64): Likewise.
2947 (_mm_cvtm64_si64): Likewise.
2948 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
2949 (_mm_cvttss_si64): Likewise.
2950 (_mm_cvtsi64_ss): Likewise.
2951 (_mm_cvtss_f32): Likewise.
2953 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
2955 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
2956 for pragma redefine_extname.
2958 2006-01-27 Jakub Jelinek <jakub@redhat.com>
2961 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
2962 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
2963 -mno-minimal-toc to previous content.
2964 (bispecs): Remove goal.
2965 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
2966 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
2967 compatibility aliases on powerpc-*-*gnu*.
2968 * config/rs6000/libgcc-ppc-glibc.ver: New file.
2969 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
2970 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
2971 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
2972 (ldblspecs): New goal.
2973 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
2974 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
2976 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
2977 L_sf_to_tf or L_df_to_tf is defined.
2979 2006-01-27 David Edelsohn <edelsohn@gnu.org>
2980 Alan Modra <amodra@bigpond.net.au>
2983 * config/rs6000/linux.h (POWERPC_LINUX): Define.
2984 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
2985 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
2986 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
2987 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
2988 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
2989 (rs6000_override_options): Initialize rs6000_ieeequad.
2990 Initialize TFmode format to ibm_extended_format if not
2992 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
2994 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
2995 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
2996 (function_arg_advance): IBM long double passed in two FPRs, not
2998 (function_arg): IBM long double passed in FPRs.
2999 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3000 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3001 Only multireg GPR aligned.
3002 (rs6000_init_libfuncs): Enable IBM long double functions if not
3004 (rs6000_generate_compare): Use IBM long double compare if not
3006 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3007 (TARGET_IEEEQUAD): Define.
3008 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3009 not TARGET_IEEEQUAD.
3010 * config/rs6000/rs6000.md: Enable TFmode patterns if
3012 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3013 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3014 and -mlong-double-128 are incompatible.
3015 * doc/invoke.texi (-mabi): Collect options together. Add
3016 ibmlongdouble and ieeelongdouble.
3018 2006-01-27 Richard Sandiford <richard@codesourcery.com>
3020 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3022 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3023 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3024 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3025 * rtl.h (rtunion_def): Remove rt_ptr.
3027 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3028 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3029 * config/i386/winnt.c (i386_pe_mark_dllexport)
3030 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3032 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3034 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3036 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3040 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3041 pthread_key_delete. From John David Anglin. gthrw-ify
3042 pthread_getunique_np only if it it's not a macro. Delete
3044 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3045 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3046 __gthread_objc_condition_signal, __gthread_key_delete): Add
3047 "__attribute__ ((__unused__))" to unused arguments.
3048 (__gthread_recursive_mutex_init_function): Add missing return.
3049 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3050 gthr-posix95.h: Use macro-based approach for name redirection
3051 on targets missing weakref.
3053 2006-01-26 Zack Weinberg <zackw@panix.com>
3055 * genconditions.c (write_header): In generated code, #ifdef out
3056 all includes and fake declarations, except includes of bconfig.h
3057 and system.h, unless GCC_VERSION >= 3001. Do not include
3058 gensupport.h in any case.
3059 (write_conditions): Generate a definition of struct c_test. Add
3060 a comment to the generated #endif.
3061 (write_one_condition): Escape backslashes in string too.
3062 (write_writer): Generated code must escape backslashes and quote
3063 marks (but not newlines) in the strings it writes.
3064 * Makefile.in (build/gencondmd.o): Update dependencies.
3066 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3069 * Makefile.in (insn-automata.o): Add header file dependencies.
3070 * genautomata.c: Add includes.
3072 2006-01-26 Steve Ellcey <sje@cup.hp.com>
3075 * Makefile.in (insn-automata.o): Add -Wno-error flag.
3077 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3079 * configure.ac: Expect target tools paths to be passed from the toplevel
3080 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
3082 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3084 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
3087 * c.opt (Wpointer-sign): Init to -1.
3088 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3089 OPT_pedantic, to 0 otherwise.
3090 * doc/invoke.texi: Update.
3092 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3094 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3095 constants provided by 80387 instructions in the destination mode.
3097 2006-01-26 Richard Guenther <rguenther@suse.de>
3098 Andrew Pinski <pinskia@physics.uc.edu>
3101 partial PR tree-opt/17064
3102 * tree-ssa-structalias.c (intra_create_variable_infos):
3103 Create heap variables for incoming parameters if
3104 flag_argument_noalias > 1.
3105 (find_what_p_points_to): Look through default defs of
3108 2006-01-26 Jeff Law <law@redhat.com>
3111 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3112 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3113 within the VR_RANGE, use the VR_RANGE as the result, not the
3115 (adjust_range_with_scev): Reject ranges from SCEV which are out of
3116 bounds for the type.
3118 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
3120 * tree-ssa-alias.c (maybe_create_global_var): Change
3121 subvar walking to an assertion that we don't have subvar'd variables.
3123 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
3126 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3127 Use a new variable, inner. PARM_DECLs are always non-weak.
3129 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
3131 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3134 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
3136 * config/mips/mips.md (*clear_upper32): New combiner pattern.
3138 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
3140 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3141 (smax_insn, smin_insn, smax_0, smin_0): New.
3143 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
3146 * config/cris/cris.c (cris_order_for_addsi3): New function.
3147 * config/cris/cris-protos.h: Prototype it.
3148 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3149 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3150 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3151 (split for "op.S1 [rx=rx+i],ry (swapped)")
3152 (split for "op(s|u).S1 [rx=rx+i],ry")
3153 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3154 Apply cris_order_for_addsi3 when generating addsi3 insns.
3156 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3158 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3159 (TREE_BLOCK): Add call to EXPR_CHECK.
3161 2006-01-25 Diego Novillo <dnovillo@redhat.com>
3164 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3165 * tree-pretty-print.c (dump_omp_clause): Extract from ...
3166 (dump_omp_clauses): ... here.
3167 (dump_generic_node): Handle OMP_CLAUSE.
3168 * tree.c (omp_clause_num_ops): New.
3169 (omp_clause_code_name): New.
3170 (tree_code_size): Handle OMP_CLAUSE.
3171 (tree_size): Likewise.
3172 (make_node): Document handling of OMP_CLAUSE.
3173 (tree_node_structure): Handle OMP_CLAUSE.
3174 (omp_clause_check_failed): New.
3175 (omp_clause_range_check_failed): New.
3176 (omp_clause_operand_check_failed): New.
3177 (build_omp_clause): New.
3178 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3179 * tree.h (enum omp_clause_code): Declare.
3180 (OMP_CLAUSE_SUBCODE_CHECK): Define.
3181 (OMP_CLAUSE_RANGE_CHECK): Define.
3182 (OMP_CLAUSE_ELT_CHECK): Define.
3183 (omp_clause_check_failed): Declare.
3184 (omp_clause_operand_check_failed): Declare.
3185 (omp_clause_range_check_failed): Declare.
3186 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3187 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3188 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3189 (OMP_CLAUSE_LASTPRIVATE): Likewise.
3190 (OMP_CLAUSE_IF_EXPR): Likewise.
3191 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3192 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3193 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3194 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3195 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3196 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3197 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3198 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3199 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3200 (OMP_CLAUSE_CODE): Define.
3201 (OMP_CLAUSE_SET_CODE): Define.
3202 (OMP_CLAUSE_CODE): Define.
3203 (OMP_CLAUSE_OPERAND): Define.
3204 (struct tree_omp_clause): Declare.
3205 (union tree_node): Add field 'omp_clause'.
3206 * treestruct.def (TS_OMP_CLAUSE): Define.
3207 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3208 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3209 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3210 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3211 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3212 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3213 (OMP_CLAUSE): Define.
3214 * print-tree.c (print_node): Handle OMP_CLAUSE.
3215 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3216 * c-typeck.c: Likewise.
3217 * gimplify.c: Likewise.
3218 * c-omp.c: Likewise.
3219 * tree-nested.c: Likewise.
3220 * tree-inline.c: Likewise.
3221 * c-parser.c: Likewise.
3222 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3225 2006-01-25 Roger Sayle <roger@eyesopen.com>
3227 PR rtl-optimization/25703
3228 * combine.c (try_combine): Handle zero_extract and strict_low_part
3229 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3231 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
3233 * global.c: Fix comment typos.
3235 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
3238 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3239 Use output_addr_const instead of assemble_name.
3241 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
3243 * Makefile.in (sched-vis.o): Update dependencies.
3244 * haifa-sched.c (sched_finish): Clear current_sched_info.
3245 * cfg.c (dump_bb_info): New, split from dump_flow_info.
3246 (dump_flow_info): Call it.
3247 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3249 * basic-block.h (dump_bb_info): Declare.
3250 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3251 option, and apply options only for dump files whose TDF_RTL,
3252 TDF_TREE, or TDF_IPA bits match.
3253 * rtl.h: Declare new functions exported from sched-vis.c.
3254 * sched-vis.c: Enable also if scheduling is not used.
3255 (print_value): Print the mode of registers if not inside scheduling.
3256 (print_insn): Make it work outside the scheduler. Beautify the output
3258 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3260 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3262 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3263 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3264 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3265 depending on the value of CONSTANT_POOL_ADDRESS_P.
3266 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3268 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3269 rather than SYMBOL_REF_DECL.
3270 (rtx_constant_pool): Remove const_rtx_sym_htab.
3271 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3272 (init_varasm_status): Don't initialize const_rtx_sym_htab.
3273 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3274 Remove handling of const_rtx_sym_htab.
3275 (find_pool_constant): Delete.
3276 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3277 rather than find_pool_constant.
3278 (get_pool_constant_for_function): Delete.
3279 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3281 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3282 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3283 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3284 (SYMBOL_REF_CONSTANT): New macro.
3285 (get_pool_constant_for_function): Delete.
3286 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3287 rather than SYMBOL_REF_DECL.
3288 (i386_pe_mark_dllimport): Likewise.
3289 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3290 rather than SYMBOL_REF_DECL.
3291 * config/darwin.c (machopic_indirect_data_reference): Likewise.
3292 (machopic_indirect_call_target): Likewise.
3294 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
3296 * flow.c (delete_noop_moves): Add missing EOL to dump message.
3298 2006-01-25 Richard Sandiford <richard@codesourcery.com>
3300 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3302 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
3304 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3306 2006-01-24 David Daney <ddaney@avtrex.com>
3309 * configure.ac (enable_tls): New enable option.
3310 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3311 * configure: Regenerate.
3312 * doc/install.texi (--enable-tls): Document new option.
3313 (--disable-tls): Ditto.
3315 2006-01-24 Richard Henderson <rth@redehat.com>
3317 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3318 * alias.c (true_dependence): Respect it.
3319 (canon_true_dependence, write_dependence_p): Likewise.
3320 * builtins.c (get_builtin_sync_mem): Set it.
3322 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
3324 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3327 2006-01-24 DJ Delorie <dj@redhat.com>
3329 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3330 for storing constants in single-bit bitfields.
3332 2006-01-25 Ben Elliston <bje@au.ibm.com>
3334 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3336 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
3339 * tree-ssa-pre.c (phi_translate): Return NULL
3340 for AGGREGATE_TYPE's.
3342 2006-01-24 Zack Weinberg <zackw@panix.com>
3344 * genautomata.c (process_state_for_insn_equiv_partition):
3345 Use xcalloc for insn_arcs_array.
3346 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3347 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3349 2006-01-24 Richard Henderson <rth@redhat.com>
3351 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3354 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
3356 PR rtl-optimization/25890
3357 PR rtl-optimization/25905
3358 * combine.c (expand_compound_operation, expand_field_assignment):
3359 Fail if the bitfield's final position is out of bounds.
3361 2006-01-24 Ian Lance Taylor <ian@airs.com>
3364 * cgraphunit.c (cgraph_output_in_order): Don't clear
3365 cgraph_asm_nodes until after asm strings have been output.
3367 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
3369 * fix-header.c (read_scan_file): Add new parameter imultilib when
3370 calling register_include_chains.
3372 2006-01-23 Diego Novillo <dnovillo@redhat.com>
3374 * omp-low.c: Update documentation.
3376 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3377 Daniel Berlin <dberlin@dberlin.org>
3381 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3382 return from the function.
3384 2006-01-22 Zack Weinberg <zackw@panix.com>
3386 * rtl.def (match_code): Add second argument.
3387 * genpreds.c (write_extract_subexp): New function.
3388 (write_match_code): Add path argument. Use write_extract_subexp.
3389 (write_predicate_expr): Pass path to write_match_code.
3390 (mark_mode_tests): MATCH_CODE applied to a subexpression does
3391 not perform a mode test.
3392 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3393 a subexpression does not constrain the top-level code set.
3394 * read-rtl.c (read_rtx_variadic): New function.
3395 (read_rtx_1): Use it; allow AND and IOR to be variadic.
3396 * doc/md.texi: Document new notation.
3397 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3398 (cmpsi_operand): ... here, using new notation.
3400 2006-01-22 Zack Weinberg <zackw@panix.com>
3402 * varray.c: Remove GENERATOR_FILE #ifdefs.
3404 2006-01-22 Zack Weinberg <zackw@panix.com>
3406 * genautomata.c (output_reserved_units_table): Emit nothing if
3407 description->query_units_num is zero. Remove extra blank line.
3408 (output_cpu_unit_reservation_p): Short circuit
3409 if description->query_units_num is zero.
3411 2006-01-22 Zack Weinberg <zackw@panix.com>
3413 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
3414 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
3415 nor any of the random handful of variables that used to be necessary
3416 when this program was linked with rtlanal.o. Prune set of forward
3417 function declarations.
3418 (struct attr_desc): Remove static_p field.
3419 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3420 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3421 (attr_string): Do not read the character one past the length of
3423 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3424 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3425 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3426 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3427 (make_automaton_attrs): New.
3428 (main): Do not call into genautomata. Call local gen_bypass
3429 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
3430 Remove special case for insn_alts.
3431 * genautomata.c: Include gensupport.h; not genattrtab.h nor
3432 varray.h (leftover from previous change). Prune set of forward
3433 function declarations. Remove state_alts fields from all
3434 structures. Remove state_alts_table from struct automaton.
3435 Make everything except main static. Do not maintain num_dfa_decls.
3436 Do not maintain state_alts fields of various structures.
3437 (process_decls): Don't validate condexp for dm_insn_reserv decls.
3438 (add_arc): Remove state_alts argument. All callers updated.
3439 (output_reserved_units_table): Emit #ifdef here...
3440 (output_tables): ...not here. Don't generate state_alts tables.
3441 (expand_automata): Don't generate attributes.
3442 (write_automata): Don't generate state_alts functions.
3443 (main): New function.
3444 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3445 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3446 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3447 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3448 (BYPASS_P_FUNC_NAME, output_state_alts_table)
3449 (output_automata_list_state_alts_code, output_internal_state_alts_func)
3450 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3451 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3453 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3454 * genattrtab.h: Delete file.
3455 * Makefile.in (OBJS-common): Add insn-automata.o.
3456 (insn-automata.o): New rule.
3457 (simple_generated_c): Add insn-automata.c.
3458 (build/genattrtab.o, build/genautomata.o): Update dependencies.
3459 (genprogmd): Add automata.
3460 (build/genattrtab): Needs no extra objects nor libraries.
3461 (build/genautomata): Needs build/vec.o and -lm.
3463 2006-01-22 Zack Weinberg <zackw@panix.com>
3465 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3466 (output_dfa_max_issue_rate, locked_states_num): Delete.
3467 (struct automaton): Add locked_states field.
3468 (output_dead_lock_vect): Save number of locked states in
3469 automaton->locked_states. If it is zero, don't print anything.
3470 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3471 (output_internal_dead_lock_func): Only test the dead_lock_vect
3472 for automata that have locked states.
3473 (output_statistics): Always print the number of locked states for
3474 each automaton. Calculate total number of locked states here.
3475 (write_automata): Don't call output_dfa_max_issue_rate.
3476 * genattrtab.c: Define length_unit_log as a const variable.
3477 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
3478 max_insn_queue_index const.
3479 * final.c (length_unit_log): Declare const.
3480 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3482 2006-01-22 Zack Weinberg <zackw@panix.com>
3484 * genautomata.c: Include vec.h, not varray.h.
3485 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3486 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
3487 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
3488 VEC_* macros operating on appropriately typed vectors, or to
3489 malloced arrays when the size is known in advance. Const-ify
3490 many char* variables and function arguments. No functional changes.
3491 * Makefile.in (build/varray.o): Delete rule.
3492 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3493 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3495 2006-01-22 Zack Weinberg <zackw@panix.com>
3497 * gensupport.c: Define get_insn_name and record_insn_name here.
3498 (read_md_rtx): Call record_insn_name as appropriate.
3499 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3500 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3501 * genpreds.c, genrecog.c: Don't define get_insn_name nor
3503 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3504 (BUILD_VARRAY): Delete.
3505 (genprognormal): Rename genprogmd. Fold in all programs from
3506 genprognoprint; also attrtab.
3507 (build/genattrtab): Just mention genautomata.o and varray.o.
3508 Reorganize a bit, add comments to make the categories clearer.
3510 2006-01-22 Zack Weinberg <zackw@panix.com>
3512 * genconditions.c (condition_table, add_condition): Delete.
3513 (write_conditions): Don't emit n_insn_conditions nor
3514 insn_elision_unavailable. Issue the gcc version #ifdef here,
3515 inside the table, with no #else clause ...
3516 (write_header): ...not here.
3517 (write_writer): New function.
3518 (main): Don't initialize condition_table. Use add_c_test.
3520 * gensupport.c (init_md_reader_args_cb): Handle multiple input
3521 files on the command line.
3522 (maybe_eval_c_test): Don't check insn_elision_unavailable.
3523 Return -1 if there is no entry in the table, don't abort.
3524 (add_c_test, traverse_c_tests): New functions.
3525 * gensupport.h (insn_elision_unavailable, insn_conditions)
3526 (n_insn_conditions): Delete declarations.
3527 (add_c_test, traverse_c_tests): Declare.
3528 * read-rtl.c: Include gensupport.h.
3529 (read_conditions): New function.
3530 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3531 (read_rtx_1): If we get EOF when we were looking for an initial
3532 open paren, return 0. Call read_conditions when appropriate.
3533 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3534 dummy-conditions.o. Eliminate references to insn-conditions.o,
3535 or change them to build/gencondmd.o, as appropriate. Remove
3536 insn-constants.h from $(simple_generated_h) and insn-conditions.c
3537 from $(simple_generated_c). For all files remaining in those
3538 two lists, add insn-conditions.md to the generator command line.
3539 Give insn-constants.h/s-constants their own rules. Add rules
3540 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3541 (build/read-rtl.o): Depend on gensupport.h.
3542 (genprognormal): Include preds.
3543 (genprogearly): Rename genprognoprint; only difference is now that
3544 they don't link with $(BUILD_PRINT).
3545 * dummy-conditions.c: Delete.
3547 2006-01-22 Zack Weinberg <zackw@panix.com>
3549 * genextract.c: Don't include insn-config.h. Do include vec.h.
3550 Declare vectors of int, char, and locstr.
3551 (locstr): New typedef.
3552 (struct extraction): Make all array fields into bare pointers.
3553 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3554 (insn_code_number): Delete.
3555 (accum_extract): New struct.
3556 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3557 (gen_insn): Take insn_code_number as an argument. Use an
3558 accum_extract structure instead of loading data directly into
3559 a struct extraction, and having to know how big it might get.
3560 (walk_rtx): Operate entirely on an accum_extract structure.
3561 (print_path): Avoid unnecessary use of printf.
3562 (print_header): New function, split out of main. Distinguish
3563 more carefully between an unrecognizable insn and an insn that
3564 has the code number of a define_expand.
3565 (main): Pass insn_code_number to gen_insn. Call print_header
3566 only after parsing. Avoid unnecessary use of printf.
3567 * Makefile.in (build/vec.o): New rule.
3568 (build/genextract): Depend on build/vec.o.
3569 (build/genextract.o): Don't depend on insn-config.h.
3571 2006-01-22 Zack Weinberg <zackw@panix.com>
3573 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3574 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
3575 practical. Eliminate per-generator-program link rules.
3577 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
3580 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3581 with a call expr to ...
3582 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3584 2006-01-23 Richard Guenther <rguenther@suse.de>
3586 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
3587 before make_edge with conditional EDGE_TRUE_VALUE.
3589 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
3590 Jan Hubicka <jh@suse.cz>
3591 Richard Guenther <rguenther@suse.de>
3593 PR rtl-optimization/25654
3594 * cfgexpand.c (aggregate_contains_union_type): New function.
3595 (add_alias_set_conflicts): Call it. Make sure to add conflicts
3596 for structure variables that contain a union type.
3598 2006-01-23 Richard Sandiford <richard@codesourcery.com>
3600 * gengtype.c (new_structure): Return the structure.
3601 (create_option): Add an extra "next" argument.
3602 (create_field): New function.
3603 (adjust_field_rtx_def): Use create_option and create_field.
3604 Remove a now-unnecessary call to find_structure.
3605 (adjust_field_tree_def): Likewise.
3606 (note_yacc_type): Remove an unnecessary call to find_structure.
3607 * gengtype.h (new_structure): Return the structure.
3608 (create_option): Add an extra argument.
3609 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
3610 (option): Adjust calls to create_option.
3612 2006-01-22 David Edelsohn <edelsohn@gnu.org>
3614 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
3616 2006-01-22 Paul Brook <paul@codesourcery.com>
3617 Peter Barada <peter@the-baradas.com>
3619 * config/m68k/m68k.md: Add Coldfire FPU support.
3620 Define FP mode macro and associated attributes.
3621 Use it for float mode patterns.
3622 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
3623 (LIBCALL_VALUE): Use m68k_libcall_value.
3624 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
3625 (m68k_function_value): Ditto.
3626 (emit_move_sequence): Ditto.
3627 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
3628 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
3629 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
3630 (MULTILIB_EXCEPTIONS): Ditto.
3631 * config/m68k/m68k.opt: Add mcfv4e.
3632 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
3633 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
3634 (m68k_output_function_prologue): Save ColdFire FPU registers.
3635 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
3636 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
3637 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
3638 ColdFire FPU registers.
3639 (m68k_libcall_value, m68k_function_value): New functions.
3640 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
3641 (LIBCALL_VALUE): Use m68k_libcall_value.
3642 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
3643 (MASK_COLDFIRE): Add MASK_CFV4E.
3644 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
3645 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
3646 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
3647 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
3648 (GO_IF_LEGITIMATE_ADDRESS): Use it.
3649 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
3650 * doc/invoke.tex: Document -mcfv4e on m68k.
3652 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3654 * doc/contribute.texi: Change CVS to SVN and update the corresponding
3657 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
3660 * c-opts.c (c_common_handle_option): Don't include
3661 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
3662 * doc/invoke.texi (C++ Dialect Options): Document that
3663 -Wnon-virtual-dtor is no longer included in -Wall.
3665 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
3667 * gcov.c (print_version), gcov-dump.c (print_version),
3668 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
3671 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
3673 * df-scan.c (problem_SCAN): Added NULL reset function.
3674 (df_scan_reset_blocks): Added code to call reset block function
3675 (df_bb_refs_delete) Fixed comment.
3676 (df_insn_refs_delete): Made tolerant of deleting non existent info
3677 for dataflow problems that need to be reset.
3678 * df-core.c (df_set_blocks): Ditto.
3679 * df.h (struct df_problem): Added reset_fun.
3680 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
3681 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
3682 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
3683 functions to clear out all references to def-use or use-def chains.
3685 2006-01-21 Ben Elliston <bje@au.ibm.com>
3687 * varasm.c (assemble_real): Initialise data array.
3689 2006-01-20 Paul Brook <paul@codesourcery.com>
3691 Merge from csl-arm-branch.
3692 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3693 * config/arm/arm.md (movdi): Force operands[1] to a register
3694 if we have a non-register source.
3695 (*arm_movdi, *movdf_soft_insn): Require that one of the
3696 operands be a register.
3697 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
3698 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
3700 2006-01-20 DJ Delorie <dj@redhat.com>
3702 * varasm.c (initialize_constant_valid_p): Allow pointers
3703 initialized from integer constants of lesser precision.
3704 (output_constant): Allow non-int-sized pointer modes to be
3705 initialized from integer constants.
3707 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
3710 * cppdefault.h (struct default_include): Add multilib flag.
3711 * cppdefault.c (cpp_include_defaults): Set it.
3712 * c.opt (-imultilib): New option.
3713 * c-opts.c (imultilib): New.
3714 (c_common_handle_option): Handle -imultilib.
3715 (c_common_post_options): Likewise.
3716 * c-incpath.c (add_standard_paths, register_include_chains):
3718 * c-incpath.h (register_include_chains): Add extra parameter.
3719 * gcc.c (do_spec_1): Generate -imultilib option.
3720 (The Specs Language): Update %I description.
3721 (process_command): Update copyright notice.
3722 * doc/cppopts.texi (-imultilib): Document.
3723 * doc/invoke.texi (-imultilib): Include in option summary.
3724 (%I): Update specs documentation.
3726 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3728 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
3730 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3732 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
3735 2006-01-20 Richard Guenther <rguenther@suse.de>
3736 Steven Bosscher <stevenb.gcc@gmail.com>
3738 PR rtl-optimization/24626
3739 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
3740 EDGE_TRUE_VALUE if in RTL mode.
3743 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
3744 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
3746 2006-01-20 Dirk Mueller <dmueller@suse.com>
3749 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
3750 instead of a special NOP marker.
3751 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
3752 NOP marker handling.
3753 * c-common.h (empty_body_warning): Add forward declaration.
3754 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
3755 Now uses IS_EMPTY_STMT() instead of special NOP markers.
3757 2006-01-20 Paul Brook <paul@codesourcery.com>
3759 * Makefile.in (lang_checks): Keep going if mkdir fails.
3761 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3763 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
3764 be able to clean out basic block when not necessary.
3765 (df_scan_free): Fixed to properly delete information if df is
3766 unused before calling df_finish.
3767 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
3768 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
3770 (df_bb_refs_delete): New function.
3771 (df_refs_delete): Moved per block code to df_bb_refs_delete.
3772 * df-core.c (df_set_blocks): Added code to properly clean out
3773 unused blocks if they are not part of the blocks to consider.
3774 Added additional null check.
3775 (df_compact_blocks): Added basic block parameter to free_bb_fun to
3776 be able to clean out basic block when not necessary
3777 * df.h (df_free_bb_function): Ditto.
3778 (df_bb_refs_delete): New function.
3779 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
3780 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
3781 basic block parameter to be able to clean out basic block when not
3783 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
3784 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
3785 Fixed to properly delete information if df is unused before
3788 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
3790 PR rtl-optimization/25799
3791 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
3792 Corrected confluence operator to remove bits from op2 before oring
3793 with op1 rather than removing bits from op1.
3794 (df_ru_transfer_function): Corrected test on wrong bitmap which
3795 caused infinite loop. Both of these problems were introduced in
3796 the dataflow rewrite.
3798 2006-01-19 DJ Delorie <dj@redhat.com>
3800 * reload1.c (find_reload_regs): Note the details of reload
3801 failures in the dump file.
3802 (spill_failure): Likewise.
3804 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
3806 * loop-iv.c: Include df.h and hashtab.h.
3807 (enum iv_grd_result): New enum.
3808 (DF_REF_IV, DF_REF_IV_SET): New macros.
3809 (struct biv_entry): New.
3810 (df, bivs): New global variables.
3811 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
3812 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
3814 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
3815 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
3816 analyzed_for_bivness_p, record_biv): New functions.
3817 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
3818 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
3819 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
3821 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
3823 (iv_number_of_iterations): Use new interface to iv analysis.
3824 * loop-unroll.c: Do not include varray.h.
3825 (analyze_iv_to_split_insn): Use new interface to iv
3827 * loop-unswitch.c (may_unswitch_on): Ditto.
3828 * df.c (df_bitmaps_free): Only work for bbs for that structures are
3830 (df_bb_modify): Realloc tables to the new index.
3831 (df_find_use): New function.
3832 * df.h (df_find_use): Declare.
3833 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
3835 * cfgloop.h (struct rtx_iv): Remove analysed field.
3836 (iv_get_reaching_def): Removed.
3837 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
3838 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
3839 (loop-iv.o): Add df.h and hashtab.h dependency.
3840 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
3842 2006-01-20 Alan Modra <amodra@bigpond.net.au>
3845 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
3847 (__floatundisf, __floatundidf): Likewise.
3848 * libgcc2.h (IS_IBM_EXTENDED): Define.
3850 2006-01-19 DJ Delorie <dj@redhat.com>
3852 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
3854 2006-01-19 Paul Brook <paul@codesourcery.com>
3856 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
3857 as nothrow when unwinding tables are disabled.
3859 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3862 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
3863 of bit-field" when in system header.
3865 2006-01-19 DJ Delorie <dj@redhat.com>
3867 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
3868 the 16 bit shift limit of the m16c.
3870 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
3873 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
3874 * config/i386/i386.c (output_set_got): Output the label if we have one
3875 for the TARGET_DEEP_BRANCH_PREDICTION case.
3877 2006-01-19 Jan Hubicka <jh@suse.cz>
3878 H.J. Lu <hongjiu.lu@intel.com>
3879 Evandro Menezes <evandro.menezes@amd.com>
3881 * invoke.texi (generic): Document
3883 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
3884 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
3885 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
3886 (x86_use_incdec, x86_pad_returns): New variables
3887 (TARGET_CPU_DEFAULT_generic): New constant
3888 (TARGET_CPU_DEFAULT_NAMES): Add generic.
3889 (enum processor_type): Add generic32 and generic64.
3890 * i386.md (cpu attribute): Add generic32/generic64
3891 (movhi splitter): Behave sanely when both partial_reg_dependency and
3892 partial_reg_stall are set.
3893 (K8 splitters): Enable for generic as well.
3894 * predicates.md (incdec_operand): Use TARGET_INCDEC
3895 (aligned_operand): Avoid memory mismatch stalls.
3896 * athlon.md: Enable for generic64, new patterns for 128bit moves.
3897 * ppro.md: Enable for generic32
3898 * i386.c (generic64_cost, generic32_cost): New.
3899 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
3900 (x86_use_leave): Enable for generic64. (x86_use_sahf,
3901 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
3902 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
3903 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3904 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3905 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3906 x86_accumulate_outgoing_args, x86_prologue_using_move,
3907 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3908 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
3910 (x86_use_incdec, x86_pad_returns): New.
3911 (override_options): Add generic32 and generic64, translate "generic"
3912 to generic32/generic64 and "i686" to "generic32", refuse
3913 "generic32"/"generic64" as arch target.
3914 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
3915 (ix86_reorg): Honor PAD_RETURNS.
3917 2006-01-19 Diego Novillo <dnovillo@redhat.com>
3919 * tree-pretty-print.c (dump_generic_node): Handle
3920 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
3921 * cgraph.c (cgraph_expand_queue): Rename from
3922 cgraph_analyze_queue. Update all users.
3923 * cgraphunit.c (cgraph_assemble_pending_functions): Process
3924 cgraph_expand_queue.
3925 (cgraph_expand_all_functions): Likewise.
3926 (cgraph_finalize_pending_functions): Remove. Update callers.
3928 * tree.h (OMP_DIRECTIVE_P): Define.
3929 (OMP_PARALLEL_FN): Define.
3930 (OMP_PARALLEL_DATA_ARG): Define.
3931 (OMP_SECTIONS_SECTIONS): Define.
3932 * tree-pass.h (pass_expand_omp): Declare.
3933 * omp-low.c (struct omp_region): Declare.
3934 (struct omp_context): Remove fields 'parallel_type',
3935 'parallel_start_ix' and 'parallel_start_additional_args'.
3937 (struct omp_for_data): Rename from struct expand_omp_for_data.
3938 (omp_regions): New static variable.
3939 (root_omp_region): New static variable.
3940 (find_omp_clause): Make static.
3941 (is_in_combined_parallel_ctx): Remove.
3942 (is_combined_parallel): New.
3943 (extract_omp_for_data): Move earlier in the file.
3944 (workshare_safe_to_combine_p): New.
3945 (get_ws_args_for): New.
3946 (determine_parallel_type): Move earlier in the file.
3947 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
3949 (omp_copy_decl): Likewise.
3950 (create_omp_child_function): Likewise.
3951 (lookup_omp_region): New.
3952 (dump_omp_region): New.
3953 (debug_omp_region): New.
3954 (debug_all_omp_regions): New.
3955 (new_omp_region): New.
3956 (scan_omp_parallel): If parallel_nesting_level > 1, the
3957 directive is nested within another parallel directive.
3958 Set OMP_PARALLEL_FN.
3959 (scan_omp_for): Do not try to handle combined parallel+for
3961 Remove FIXME comment.
3962 (scan_omp_nested): Remove.
3963 (scan_omp_1): Do not call scan_omp_nested when
3964 parallel_nesting_level is > 1.
3965 Do not change the DECL_CONTEXT of local variables found.
3966 (lookup_decl_in_outer_ctx): New.
3967 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
3968 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
3969 (lower_reduction_clauses): Rename from expand_reduction_clauses.
3970 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
3971 If CTX is nested, lookup VAR in the outer context when
3972 building copy assignment.
3973 (lower_send_clauses): Rename from expand_send_clauses.
3974 If CTX is nested, lookup VAR in the outer context when
3975 building copy assignments.
3976 (lower_send_shared_vars): Rename from expand_send_shared_vars.
3977 If CTX is nested, lookup VAR in the outer context when
3978 building copy assignments.
3979 (expand_parallel_call): Rename from build_parallel_call.
3980 Handle combined parallel+workshare cases.
3981 Re-implement to emit code into the CFG.
3983 (expand_omp_parallel): Re-implement to emit code into the CFG.
3984 Call move_sese_region_to_fn to outline the sub-graph
3985 containing the parallel region.
3986 (expand_omp_for_1): Remove.
3987 (expand_omp_for_generic): Re-implement to emit code into the
3989 (expand_omp_for_static_nochunk): Likewise.
3990 (expand_omp_for_static_chunk): Likewise.
3991 (expand_omp_for): Likewise.
3992 (expand_omp_sections): Likewise.
3993 (remove_exit_barriers): New.
3994 (expand_omp_synch): New.
3996 (build_omp_regions_1): New.
3997 (build_omp_regions): New.
3998 (execute_expand_omp): New.
3999 (gate_expand_omp): New.
4000 (pass_expand_omp): Define.
4001 (lower_omp_sections): Rename from expand_omp_sections.
4002 Set OMP_SECTIONS_SECTIONS.
4003 (lower_omp_single_simple): Rename from expand_omp_single_simple.
4004 (lower_omp_single_copy): Rename from expand_omp_single_copy.
4005 (lower_omp_single): Rename from expand_omp_simple.
4006 (lower_omp_master): Rename from expand_omp_master.
4007 (lower_omp_ordered): Rename from expand_omp_ordered.
4008 (lower_omp_critical): Rename from expand_omp_critical.
4009 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4010 (lower_omp_for): Re-implement.
4011 (lower_omp_parallel): Re-implement.
4012 (lower_regimplify): Rename from expand_regimplify.
4013 (lower_omp_1): Rename from expand_omp_1.
4014 If there are syntax errors in the program, replace every
4015 OpenMP directive with NOP.
4016 Call lower_omp_* instead of expand_omp_*.
4017 (lower_omp): Rename from expand_omp.
4019 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4020 * tree-gimple.h (enum omp_parallel_type): Remove.
4021 (gimple_boolify): Declare extern.
4022 (find_omp_clause, determine_parallel_type): Remove.
4024 * gimple-low.c (lower_omp_directive): New.
4025 (lower_stmt): Call it.
4026 (record_vars_into): Move from ...
4027 (record_vars): ... here.
4028 Call record_vars_into with current_function_decl.
4030 * gimplify.c (struct gimplify_ctx): Remove fields
4031 combined_pre_p and combined_ctxp. Update users.
4032 (get_formal_tmp_var): Add documentation.
4033 (gimple_boolify): Make extern.
4034 (gimplify_expr_in_ctx): Remove. Update callers.
4035 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4036 will always be a BIND_EXPR.
4037 (gimplify_expr): Handle OMP_RETURN_EXPR.
4038 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4039 (OMP_PARALLEL): Add 3 operands.
4040 (OMP_SECTIONS): Add 1 operand.
4041 (OMP_RETURN_EXPR): Define.
4043 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4044 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4045 * tree-iterator.c (alloc_stmt_list): Assert that we are not
4046 creating a circular free list.
4047 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4049 * tree-flow.h (move_sese_region_to_fn): Declare.
4050 (record_vars_into): Declare.
4051 * tree-cfg.c (make_omp_sections_edges): New.
4052 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4053 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4054 OMP_SECTIONS and OMP_SECTION.
4055 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4056 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4057 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4058 (gather_blocks_in_sese_region): New.
4059 (struct move_stmt_d): Declare.
4061 (move_block_to_fn): New.
4062 (move_sese_region_to_fn): New.
4064 * passes.c (init_optimization_passes): Schedule
4065 pass_expand_omp after pass_init_datastructures.
4067 * tree-ssa-operands.c (get_expr_operands): Handle
4068 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4069 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4071 2006-01-19 Jeff Law <law@redhat.com>
4073 * tree-vrp.c (extract_range_from_assert): Refine the result range
4074 if the variable referenced by the ASSERT_EXPR has a range and
4075 either the tentative result range or the previous range is a
4078 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4080 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4082 2006-01-19 Jan Hubicka <jh@suse.cz>
4084 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4086 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
4088 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4089 (expand_compound_operation, expand_field_assignment): Fail if the
4090 bit lengths of an extract operation are out of range.
4091 (make_extraction): Compute wanted_inner_mode based on the position
4092 and length of the extraction. Make it extraction_mode for non-constant
4093 positions, and do not modify offset in that case. When generating a
4094 new MEM, use a mode that can hold the extraction while keeping correct
4095 alignment. Remove code that supported MEMs wrapped by USEs.
4096 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4098 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
4100 * config/s390/s390.md ("Y", "y"): New mode attribute.
4101 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4102 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4103 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4104 "*addsi3_imm_cc", "*addsi3_carry1_cc",
4105 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4106 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4107 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4108 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4109 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4110 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4111 "addsi3", "subsi3"): Insn patterns removed.
4112 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4113 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4114 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4115 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4116 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4117 "*sub<mode>3_cconly2"): New insn patterns.
4118 ("addsi3", "subsi3"): New expanders.
4120 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
4122 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4123 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4124 existing STMT_VINFO_VECTYPE if available.
4125 (vect_mark_relevant): Add special handling for stmts that are
4126 marked as STMT_VINFO_IN_PATTERN_P.
4127 (vect_analyze_loop): Call vect_pattern_recog.
4128 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4129 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4131 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4132 (vect_recog_func_ptr): New function-pointer type.
4133 * tree-vect-patterns.c: New file.
4134 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4135 (vect_recog_dot_prod_pattern, vect_pattern_recog):
4136 (vect_pattern_recog_1): New functions.
4137 (vect_pattern_recog_funcs): New array of function pointers.
4139 * tree-vectorizer.h (ternary_op): New enum value.
4140 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4141 declaration. Revised documentation. Removed redundant dump prints.
4142 Removed redundant argument. Added support for reduction patterns.
4143 (vectorizable_reduction): Added support for reduction patterns.
4144 (vect_transform_stmt): Added support for patterns.
4146 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4147 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4148 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4149 (expand_widen_pattern_expr): New function.
4150 (init_optabs): Initialize new optabs udot_prod_optab,
4152 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4153 (sdot_prod_optab, udot_prod_optab): Define new optabs.
4154 (expand_widen_pattern_expr): New function declaration.
4155 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4157 * tree-inline.c (estimate_num_insns_1): Added cases for new
4158 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4159 * tree-pretty-print.c (dump_generic_node): Likewise.
4160 (op_prio): Likewise.
4161 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4162 * tree-ssa-operands.c (get_expr_operands): Added case for
4164 * tree-vect-patterns.c (widened_name_p): New function.
4165 (vect_recog_dot_prod_pattern): Added function implementation.
4166 * tree-vect-transform.c (get_initial_def_for_reduction): Added
4167 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4168 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4169 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4171 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4172 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4173 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4174 (init_optabs): Initialize new optabs widen_ssum_optab,
4176 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4177 (widen_ssum_optab, widen_usum_optab): Define new optabs.
4178 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4179 use instead of type of def.
4180 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4181 function implementation.
4182 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4183 widen_ssumv8hi): New.
4185 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4188 2006-01-19 Richard Sandiford <richard@codesourcery.com>
4191 * c-decl.c (add_flexible_array_elts_to_size): New function.
4192 (finish_decl): Use it.
4194 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
4196 * diagnostic.h: Include options.h.
4197 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4198 dependancies for diagnostic.h.
4199 * Makefile.in (DIAGNOSTIC_H): Add options.h.
4201 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
4203 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4204 (ssa_ro_call_cache_valid): Ditto.
4205 * tree-ssa-alias.c (sort_tags_by_id): New function.
4206 (init_transitive_clobber_worklist): Ditto.
4207 (add_to_worklist): Ditto.
4208 (mark_aliases_call_clobbered): Ditto.
4209 (compute_tag_properties): Ditto.
4210 (set_initial_properties): Ditto.
4211 (compute_call_clobbered): Ditto.
4212 (compute_may_aliases): Call compute_call_clobbered and grouping.
4213 (compute_flow_sensitive_aliasing): Remove clobbering related code.
4214 (compute_flow_insensitive_aliasing): Grouping now happens in our
4216 (setup_pointers_and_addressables): Remove clobbering related code.
4217 (add_may_alias): Ditto.
4218 (replace_may_alias): Ditto.
4219 (get_nmt_for): Ditto.
4220 (create_global_var):
4221 (is_escape_site): Return an escape_type enumeration.
4222 * tree-flow-inline.h (is_call_clobbered): Global var does not
4223 imply call clobbered.
4224 (mark_call_clobbered): Take a reason for marking this. Remove
4225 marking of globalness, and cache invalidation.
4226 (clear_call_clobbered): Remove cache invalidation code.
4227 * tree-dfa.c (dump_variable): If details is on, dump the reason
4229 * tree-outof-ssa.c (create_temp): Copy escape mask from original
4231 * tree-flow.h (struct ptr_info_def): Add escape mask member.
4232 (struct var_ann_d): Ditto.
4233 (enum escape_type): New.
4234 (mark_call_clobbered): Adjust prototype.
4235 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4236 are never call clobbered.
4237 Record reasons for escaping.
4238 * tree-ssa-structalias.h (is_escape_site): Update prototype.
4239 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4240 (ssa_ro_call_cache_valid): Ditto.
4241 (clobbered_v_may_defs): Ditto.
4242 (clobbered_vuses): Ditto.
4243 (ro_call_vuses): Ditto.
4244 (clobber_stats): New.
4245 (init_ssa_operands): Zero out clobber stats.
4246 (fini_ssa_operands): Print out clobber stats.
4247 (get_call_expr_operands): Pass callee fndecl to
4249 (add_call_clobber_ops): Remove use of cache.
4250 Add use of PURE_CONST information.
4251 (add_call_read_ops): Remove use of cache.
4252 Add use of static not_read information.
4254 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
4256 Introduce TLS descriptors for i386 and x86_64.
4257 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4258 (TARGET_ANY_GNU_TLS): New macro.
4259 (enum tls_dialect): Added TLS_DIALECT_GNU2.
4260 (struct machine_function): Add tls_descriptor_call_expanded_p.
4261 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4262 (ix86_current_function_calls_tls_descriptor): Likewise.
4263 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4264 (override_options): Introduce gnu2 tls dialect.
4265 (ix86_frame_pointer_required): Functions containing TLSCALLs are
4267 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4269 (legitimize_tls_address): Adjust logic for GNU2 TLS.
4270 (ix86_init_machine_status): Initialize new field.
4271 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4272 (ix86_tls_module_base): New.
4273 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4274 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4275 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4276 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4277 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4278 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4279 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4280 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4281 * config/i386/predicates.md (tls_modbase_operand): New.
4282 (tp_or_register_operand): New.
4284 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
4286 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
4287 (look_for_address_of): Ditto.
4288 (ipa_init): Walk the function decls.
4289 (static_execute): Don't set readonly on FUNCTION_DECL's.
4291 2006-01-18 Roger Sayle <roger@eyesopen.com>
4293 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4294 for shifts where the source and destination registers are different.
4296 2006-01-18 Paul Brook <paul@codesourcery.com>
4298 Merge from csl-arm-branch.
4299 2005-03-14 Julian Brown <julian@codesourcery.com>
4300 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4301 (aeabi_llsl): Likewise.
4302 (ashrdi3): Likewise.
4303 (aeabi_lasr): Likewise.
4304 (lshrdi3): Likewise.
4305 (aeabi_llsr): Likewise.
4306 2005-03-10 Julian Brown <julian@codesourcery.com>
4307 * config.gcc: Disable shared libgcc for SymbianOS.
4308 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4310 2006-01-18 DJ Delorie <dj@redhat.com>
4312 * c-pragma.c (handle_pragma_diagnostic): New.
4313 (init_pragma): Register it.
4314 * doc/extend.texi: Document it.
4316 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4317 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4318 (diagnostic_context): Add classify_diagnostic[].
4319 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4320 as errors if they're overridden to DK_WARNING.
4321 (diagnostic_initialize): Initialize classify_diagnostic[].
4322 (diagnostic_set_kind_override): New.
4323 (diagnostic_report_diagnostic): Check for kind changes.
4324 * opts.c (common_handle_option): Take lang_mask. Update callers.
4326 * common.opt (Werror=): New.
4327 * doc/invoke.texi: Document -Werror=*
4329 2006-01-18 Jeff Law <law@redhat.com>
4331 * tree-vrp.c (test_for_singularity): Correct test for new
4332 min limit. Use operand_equal_p rather than pointer equality
4333 for testing if new min/max values are equal.
4335 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4336 using range information until after propagation and folding.
4338 2006-01-18 Richard Henderson <rth@redhat.com>
4339 Aldy Hernandez <aldyh@redhat.com>
4340 Jakub Jelinek <jakub@redhat.com>
4341 Diego Novillo <dnovillo@redhat.com>
4343 * omp-low.c: New file.
4344 * c-omp.c: New file.
4346 2006-01-18 Richard Henderson <rth@redhat.com>
4347 Jakub Jelinek <jakub@redhat.com>
4348 Diego Novillo <dnovillo@redhat.com>
4350 * doc/invoke.texi: Document -fopenmp.
4351 * tree-dump.h (debug_function): Declare.
4352 * hooks.c (hook_bool_tree_bool_false): New function.
4353 (hook_tree_tree_null): Remove.
4354 (hook_tree_tree_tree_null): New.
4355 * hooks.h: Update to match.
4356 * tree-pretty-print.c (debug_tree_chain): New.
4357 (print_generic_expr): Handle TDF_CHAIN.
4358 (dump_generic_node): Handle BLOCK.
4359 Do not abort with incomplete SWITCH_EXPRs.
4360 Do not dump body of an OpenMP directive if TDF_SLIM is given.
4361 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4362 print space after directive name.
4363 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4364 Handle OMP_MASTER and OMP_ORDERED.
4365 Handle printing of OMP_BODY just in one place, goto
4366 dump_omp_body in the rest of OMP_* nodes that have
4368 Don't handle clause nodes here. Update omp statements to
4369 use dump_omp_clauses.
4370 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4371 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4372 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4373 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4374 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4375 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4376 Adjust output for GOMP_PARALLEL.
4377 (dump_omp_clauses): New.
4378 (print_declaration): Dump DECL_VALUE_EXPR.
4379 (op_symbol_1): Split out of op_symbol.
4380 (dumping_stmts): Remove. Update all users.
4381 * cgraph.c (cgraph_analyze_queue): New.
4382 (cgraph_add_new_function): New.
4383 * cgraph.h (cgraph_analyze_queue): Declare.
4384 (cgraph_add_new_function): Declare.
4385 (cgraph_lower_function): Remove.
4386 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4387 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4388 and TYPE_P nodes in its default clause.
4389 (empty_body_p): New.
4390 (tree_range_check_failed): New.
4392 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4393 OMP_CLAUSE_REDUCTION_MERGE,
4394 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4395 OMP_CLAUSE_PRIVATE_DEBUG,
4396 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4397 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4398 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4399 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4400 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4401 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4402 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4403 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4404 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4405 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4406 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4407 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4408 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4409 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4410 (TREE_RANGE_CHECK): New.
4411 (empty_body_p): Declare.
4412 (enum omp_clause_default_kind): New.
4413 (build_string_literal): Declare.
4414 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4415 (build5_stat, build5): Declare.
4416 * tree-pass.h (TDF_CHAIN): Define.
4417 * tree-pass.h (PROP_gimple_lomp): Define.
4418 (pass_lower_omp): Declare.
4419 * diagnostic.h (debug_tree_chain): Declare.
4420 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4422 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4423 * builtins.c (build_string_literal): Make extern.
4424 * gcc.c (include_spec_function): New.
4425 (static_spec_functions): Add it.
4426 (main): Move load of libgomp.spec ...
4427 (LINK_COMMAND_SPEC): ... here.
4428 (link_gomp_spec): New.
4429 (static_specs): Include it.
4430 (LINK_COMMAND_SPEC): Add link_gomp.
4431 (GOMP_SELF_SPECS): New.
4432 (driver_self_specs): Include it.
4433 (switch_matches): Don't mark inline.
4434 (main): Load libgomp.spec.
4435 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4436 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4437 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4438 * tree-gimple.h (enum omp_parallel): Declare.
4439 (determine_parallel_type): Declare.
4440 (omp_firstprivatize_variable): Declare.
4441 (omp_reduction_init): Declare.
4442 (diagnose_omp_structured_block_errors): Declare.
4443 (struct walk_stmt_info): Add want_return_expr.
4444 (struct walk_stmt_info): Add want_bind_expr, want_locations.
4445 (find_omp_clause): Declare.
4446 (insert_field_into_struct): Declare.
4447 (struct walk_stmt_info): Move from tree-nested.c
4448 (walk_stmts): Declare.
4449 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4451 * cgraphunit.c (cgraph_lower_function): Make static.
4452 (cgraph_finalize_pending_functions): New.
4453 (cgraph_finalize_function): Call it.
4454 (cgraph_finalize_compilation_unit): Likewise.
4455 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4456 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4457 (BT_FN_UINT_UINT): New.
4458 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4459 DEF_FUNCTION_TYPE_VAR_4): Document.
4460 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4461 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4462 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4463 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4464 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4465 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4466 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4467 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4468 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4469 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4470 into separate files.
4471 (DEF_GOMP_BUILTIN): New.
4472 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4473 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4474 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4475 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4476 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4477 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4478 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4479 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4480 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4481 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4482 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4483 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4484 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4485 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4486 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4487 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4488 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4489 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4490 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4491 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4492 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4493 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4494 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4495 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4496 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4497 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4498 * sync-builtins.def: New file, moved from builtins.def.
4499 * omp-builtins.def: New file, moved from builtins.def.
4500 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4501 * gimple-low.c (lower_function_body): Clear data.
4502 (lower_stmt): Do not handle COMPOUND_EXPR.
4503 Remove call to print_node_brief.
4504 * c-tree.h (c_finish_omp_clauses): New prototype.
4505 (C_DECL_THREADPRIVATE_P): Define.
4506 (lookup_name_no_remap, c_omp_remap_private): Remove
4507 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4508 (check_for_loop_decls): Update decl.
4509 (lookup_name_no_remap, c_omp_remap_private): Declare.
4510 (build_indirect_ref, build_modify_expr, pushdecl,
4511 pushdecl_top_level): Move to c-common.h.
4512 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4513 before the switch, but just in the 2 places that need it.
4514 * c-decl.c (diagnose_mismatched_decls): Do not check for
4515 mismatched thread-local attributes when OLDDECL is marked
4516 threadprivate and NEWDECL has no thread-local attributes.
4517 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4518 (c_gimple_diagnostics_recursively): Rename from
4519 c_warn_unused_result_recursively. Invoke
4520 diagnose_omp_structured_block_errors.
4521 (check_for_loop_decls): Return a singular decl found.
4522 * langhooks.c (lhd_omp_predetermined_sharing): Return
4523 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4524 (lhd_omp_firstprivatize_type_sizes): New.
4525 (lhd_omp_assignment): New.
4526 (lhd_omp_predetermined_sharing): New.
4527 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4528 (struct lang_hooks_for_types): Add
4529 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4530 omp_predetermined_sharing, omp_disregard_value_expr,
4531 omp_private_debug_clause, omp_clause_default_ctor,
4532 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4533 (c_finish_omp_clauses): New.
4534 (c_finish_bc_stmt): Diagnose break within omp for.
4535 (c_begin_omp_parallel, c_finish_omp_parallel): New.
4536 (build_unary_op): Return error_mark after reporting
4538 (build_modify_expr): Likewise.
4539 * gimplify.c: Include optabs.h and pointer-set.h.
4540 (enum gimplify_omp_var_data): Declare.
4541 (struct gimplify_omp_ctx): Declare.
4542 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4544 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4545 (push_gimplify_context, pop_gimplify_context): Allow nesting.
4546 (splay_tree_compare_decl_uid): New.
4547 (new_omp_context): New.
4548 (delete_omp_context): New.
4549 (gimple_add_tmp_var): Call omp_add_variable.
4550 (gimplify_bind_expr): Likewise.
4551 (gimplify_var_or_parm_decl): If omp_notice_variable returned
4552 true, disregard DECL_VALUE_EXPR on the decl if any.
4553 (gimplify_expr_in_ctx): New.
4554 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4555 omp_add_variable, omp_notice_variable, omp_is_private
4556 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4557 gimplify_adjust_omp_clauses, gimplify_omp_parallel
4558 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4559 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4560 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4561 gimplify_omp_atomic): New.
4562 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4563 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4564 OMP_CRITICAL and OMP_ATOMIC.
4565 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4566 * c-pragma.h (enum pragma_kind): Add
4567 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4568 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4569 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4570 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4571 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4572 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4573 PRAGMA_OMP_THREADPRIVATE.
4574 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4575 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4576 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4577 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4578 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4579 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4580 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4581 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4582 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4583 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
4584 * tree-ssa-dce.c (find_control_dependence): Do not assume that
4585 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
4586 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
4588 (struct nesting_info): Add field_map,
4589 suppress_expansion, debug_var_chain.
4590 (create_nesting_tree): Initialize them.
4591 (lookup_field_for_decl): Use field_map.
4592 (get_nonlocal_debug_decl, get_local_debug_decl): New.
4593 (convert_local_omp_clauses): New.
4594 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
4595 (walk_body): Split out of walk_function.
4596 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
4597 (convert_nonlocal_reference): Handle omp statements.
4598 (convert_local_reference): Likewise.
4599 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
4600 (unnest_nesting_tree): New.
4601 (lower_nested_functions): Call it.
4602 (insert_field_into_struct): Make extern.
4603 (struct walk_stmt_info): Move to tree-gimple.h.
4604 (walk_stmts): Make extern.
4605 * omp-builtins.def: New file.
4606 * tree-iterator.c (expr_only): Clarify comment.
4607 * c-common.h (pushdecl_top_level, pushdecl,
4608 build_modify_expr, build_indirect_ref,
4609 c_finish_omp_master, c_finish_omp_critical,
4610 c_finish_omp_ordered, c_finish_omp_barrier,
4611 c_finish_omp_atomic, c_finish_omp_flush,
4612 c_finish_omp_for, c_split_parallel_clauses,
4613 omp_clause_default_kind, c_omp_sharing_predetermined,
4614 c_omp_remap_decl): Declare.
4615 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
4616 (OBJS-common): Add omp-low.o.
4617 (c-omp.o, omp-low.o): Add.
4618 (gimplify.o): Add dependency on $(OPTABS_H).
4619 (GTFILES): Add omp-low.c.
4620 (gt-stringpool.h): Add.
4621 * tree-cfg.c (set_bb_for_stmt): Do not update the
4622 block-to-labels map if we are currently expanding to RTL.
4623 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
4625 Handle IDENTIFIER_NODE.
4626 (tree_verify_flow_info): Do not ICE when emitting error
4627 messages about invalid labels.
4628 (dump_function_to_file): Reset CFUN before emitting the body
4630 (debug_function): New.
4631 * passes.c (init_optimization_passes): Schedule
4633 * langhooks-def.h (lhd_omp_predetermined_sharing,
4634 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
4636 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
4637 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
4638 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
4639 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
4640 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
4641 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
4642 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
4643 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
4644 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
4645 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
4646 (LANG_HOOK_DECLS): Use them.
4648 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
4649 Richard Henderson <rth@redhat.com>
4650 Jakub Jelinek <jakub@redhat.com>
4651 Diego Novillo <dnovillo@redhat.com>
4653 * c-parser.c (pragma_omp_clause): Define.
4654 (c_parser_declaration_or_fndef): Document OpenMP syntax.
4655 (c_parser_compound_statement): Likewise.
4656 (c_parser_statement): Likewise.
4657 (c_parser_pragma): Handle omp pragmas.
4658 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
4659 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
4660 (c_parser_omp_clause_name, check_no_duplicate_clause,
4661 c_parser_omp_variable_list,
4662 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
4663 c_parser_omp_clause_copyprivate,
4664 c_parser_omp_clause_default,
4665 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
4666 c_parser_omp_clause_lastprivate,
4667 c_parser_omp_clause_nowait,
4668 c_parser_omp_clause_num_threads,
4669 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
4670 c_parser_omp_clause_reduction,
4671 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
4672 c_parser_omp_all_clauses, c_parser_omp_structured_block,
4673 c_parser_omp_atomic, c_parser_omp_barrier,
4674 c_parser_omp_critical, c_parser_omp_flush,
4675 c_parser_omp_for_loop, c_parser_omp_for,
4676 c_parser_omp_master, c_parser_omp_ordered,
4677 c_parser_omp_sections_scope, c_parser_omp_sections,
4678 c_parser_omp_parallel, c_parser_omp_single,
4679 c_parser_omp_construct, c_parser_omp_threadprivate): New.
4680 * c-pragma.c (init_pragma): Do omp pragma registration here.
4681 * c.opt (fopenmp): New flag.
4683 2006-01-18 Eric Christopher <echristo@apple.com>
4685 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
4686 * config/darwin.h (GOMP_SELF_SPECS): Define.
4688 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4690 * rtl.h: Remove the prototype for reg_alloc.
4692 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4695 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
4696 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
4697 sjlj and dwarf2 exception handling.
4698 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
4699 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
4700 * pa/pa.c (function_value): Treat complex and vector types as
4702 (function_arg): Likewise. Only pass scalar floats in the floating
4703 point argument registers.
4704 * pa/t-slibgcc-dwarf-ver: New file.
4705 * pa/t-slibgcc-sjlj-ver: New file.
4706 * pa/t-slibgcc-elf-ver: Delete file.
4708 2006-01-19 Alan Modra <amodra@bigpond.net.au>
4710 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
4711 unlikely_test_section_p test.
4713 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4715 * mode-switching.c (optimize_mode_switching): Make it static.
4716 * basic-block.h: Remove the prototype for
4717 optimize_mode_switching.
4719 * modulo-sched.c (sms_schedule): Make it static.
4720 * rtl.h: Remove the prototype for sms_schedule.
4722 * postreload-gcse.c (gcse_after_reload_main): Make it static.
4723 * rtl.h: Remove the prototype for gcse_after_reload_main.
4725 * reg-stack.c (reg_to_stack): Make it static.
4726 * rtl.h: Remove the prototype for reg_to_stack.
4728 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
4730 * rtl.h: Remove the prototypes for regrename_optimize and
4731 copyprop_hardreg_forward.
4733 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
4735 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
4736 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
4737 Test against the appropriate null constant for the mode.
4738 If 'fixup_overlap' is true, swap the operands if they overlap.
4739 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
4740 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
4741 alpha_split_tmode_pair and adjust for above change.
4742 * config/alpha/alpha.md (movtf_internal): Adjust call to
4743 alpha_split_tfmode_pair and rely on it to swap the operands.
4744 (movti_internal): New insn and post-reload splitter.
4745 (movti): New expander.
4747 2006-01-18 Philippe De Muyter <phdm@macqel.be>
4749 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
4752 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
4754 * rtlanal.c (global_reg_mentioned_p_1,
4755 global_reg_mentioned_p): Remove.
4756 * rtl.h: Remove the prototype for global_reg_mentioned_p.
4758 * flow.c (initialize_uninitialized_subregs): Make it static.
4759 * rtl.h: Remove the prototype for
4760 initialize_uninitialized_subregs.
4762 * function.c (instantiate_virtual_regs): Make it static.
4763 * function.h: Remove the prototype for
4764 instantiate_virtual_regs.
4766 * regmove.c (regmove_optimize, combine_stack_adjustments):
4768 * rtl.h: Remove the prototypes for regmove_optimize and
4769 combine_stack_adjustments.
4771 2006-01-17 Roger Sayle <roger@eyesopen.com>
4773 * config/i386/i386.c (COSTS_N_BYTES): New macro.
4774 (size_cost): Encode costs in bytes so that a reg-reg addition is
4775 equivalent to COSTS_N_INSNS(1).
4776 (override_options): Use the size_cost.branch_cost as the default
4777 ix86_branch_cost when optimizing for size.
4779 2006-01-18 Ben Elliston <bje@au.ibm.com>
4781 * Makefile.in (D32PBIT_FUNCS): New.
4782 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
4783 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
4784 D64PBIT_FUNCS and D128PBIT_FUNCS.
4785 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
4786 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
4788 (decnumber_dep): Define.
4789 * doc/libgcc.texi (Decimal float library routines): New node.
4790 * config/dfp-bit.h, config/dfp-bit.c: New files.
4792 2006-01-18 Ben Elliston <bje@au.ibm.com>
4794 * expr.c (emit_move_change_mode): Always adjust addresses, not
4795 just during reload. Copy replacements only during reload.
4796 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
4797 emit_move_via_integer.
4799 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
4801 * Makefile.in (check-%, check-consistency): Use $${srcdir}
4802 instead of $(srcdir) and ${srcdir}.
4804 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
4808 * arm.h (struct machine_function): Add pic_reg.
4809 * arm.c (arm_pic_register): Make unsigned.
4810 (arm_override_options): Only set arm_pic_register if
4811 TARGET_SINGLE_PIC_BASE.
4812 (use_return_insn): Only test for a pic register if it is fixed.
4813 (arm_compute_save_reg0_reg12_mask): Likewise.
4814 (thumb_compute_save_reg_mask): Likewise.
4815 (legitimate_pic_operand): Factor out some known invariants.
4816 (legitimize_pic_address): If we don't have a fixed pic register,
4817 then set up a pseudo in the function entry sequence. Handle the
4818 pic base being in a pseudo.
4819 (arm_load_pic_register): Handle the pic register being in a pseudo.
4820 (arm_expand_prologue): Only set up the pic register if it is fixed.
4821 (thumb_expand_prologue): Likewise.
4822 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
4823 (pic_load_addr_based_insn): Likewise.
4824 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
4827 2006-01-18 Ben Elliston <bje@au.ibm.com>
4829 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
4830 decimal float modes for all floating point registers.
4832 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
4833 match_code "mem" with match_test "macho_lo_sum_memory_operand".
4835 2006-01-17 Jakub Jelinek <jakub@redhat.com>
4838 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
4839 even when the pointer is not NULL.
4841 2006-01-16 Ian Lance Taylor <ian@airs.com>
4843 * common.opt (ftoplevel-reorder): New option.
4844 * cgraph.c (cgraph_asm_nodes): New global variable.
4845 (cgraph_asm_last_node): New static variable.
4846 (cgraph_order): New global variable.
4847 (cgraph_create_node): Set new order field.
4848 (cgraph_varpool_node): Likewise.
4849 (decide_is_variable_needed): Return true if not
4850 flag_toplevel_reorder.
4851 (cgraph_add_asm_node): New function.
4852 * cgraph.h (struct cgraph_node): Add order field.
4853 (struct cgraph_varpool_node): Add order field.
4854 (struct cgraph_asm_node): Define.
4855 (cgraph_asm_nodes, cgraph_order): Declare.
4856 (cgraph_add_asm_node): Declare.
4857 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
4859 (cgraph_varpool_assemble_pending_decls): Call it.
4860 (cgraph_output_pending_asms): New static function.
4861 (cgraph_finalize_compilation_unit): Call it.
4862 (struct cgraph_order_sort): Define.
4863 (cgraph_output_in_order): New static function.
4864 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
4865 !flag_toplevel_reorder case.
4866 * c-parser.c: Include "cgraph.h".
4867 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
4869 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
4870 than -fno-unit-at-a-time.
4871 * doc/invoke.texi (Option Summary): Mention
4872 -fno-toplevel-reorder.
4873 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
4874 -funit-at-a-time documentation.
4876 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
4877 Kazu Hirata <kazu@codesourcery.com>
4879 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
4881 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
4883 * Makefile.in (FUNCTION_H): New. Use it instead of
4884 function.h throughout the file.
4885 * function.h: Include tree.h.
4887 2006-01-17 Ben Elliston <bje@au.ibm.com>
4889 * recog.c: Separate some functions with whitespace.
4891 2006-01-16 Richard Henderson <rth@redhat.com>
4893 Merge from gomp branch:
4894 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
4895 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
4896 and rename from struct inline_data. Rename callee* to dst*;
4897 caller* to src*; add copy_decl hook, transform_call_graph_edges,
4898 transform_new_cfg, transform_return_to_modify, and
4899 transform_lang_insert_block flags; remove cloning_p, versioning_p,
4901 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
4902 (copy_decl_for_dup): Remove.
4903 * tree-inline.c (struct inline_data): Move to header.
4904 (insert_decl_map): Export.
4905 (remap_decl): Update for member name changes. Use copy_decl hook.
4906 Allow for replacement to be a non-decl. Remove dead code.
4907 (remap_type_1): Check for existing mapping.
4908 (remap_type): Export.
4909 (remap_decls): Update for member name changes.
4910 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
4911 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
4912 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
4913 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
4914 (tree_function_versioning, build_duplicate_type): Likewise.
4915 (copy_body_r): Likewise. Export.
4916 (copy_decl_for_dup): Split into ...
4917 (copy_decl_for_dup_finish, copy_decl_to_var,
4918 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
4919 (replace_ref_tree, inlining_p): Remove.
4921 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4923 * ifcvt.c (if_convert): Make it static.
4924 * rtl.h: Remove the prototype for if_convert.
4926 * local-alloc.c (local_alloc): Make it static.
4927 * rtl.h: Remove the prototype for local_alloc.
4929 * loop.c (loop_optimize): Make it static.
4930 * cfgloop.h: Remove the prototype for loop_optimize.
4933 2006-01-16 DJ Delorie <dj@redhat.com>
4935 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
4938 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4940 * pa.md: Disparage copies between general and floating-point registers
4941 in 32-bit move patterns.
4943 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
4946 * Makefile.in (check-%): Depend on site.exp instead of
4947 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
4950 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4952 * global.c (global_alloc): Make it static.
4953 * rtl.h: Remove the prototype for global_alloc.
4955 2006-01-16 Richard Guenther <rguenther@suse.de>
4957 * tree-ssa-alias.c (struct used_part): Add write_only field.
4958 (get_or_create_used_part_for): Initialize it to true.
4959 (create_overlap_variables_for): Don't create structure variables
4960 for structures that only are written to.
4961 (find_used_portions): Handle MODIFY_EXPR to track whether a
4962 structure is only written to.
4964 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
4966 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
4968 * basic-block.h: Remove the prototype for
4969 partition_hot_cold_basic_blocks.
4971 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
4973 * cppspec.c (lang_specific_spec_functions): Remove.
4974 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
4975 * gcc.h (lang_specific_spec_functions): Remove.
4976 * gccspec.c (lang_specific_spec_functions): Remove.
4978 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
4980 * combine.c (record_value_for_reg): Invalidate registers
4982 (record_dead_and_set_regs_1): Likewise, by passing them to
4983 record_value_for_reg.
4984 (record_dead_and_set_regs): Invalidate stores made by a
4985 call. We do not combine across a call, but we still
4986 relied on equivalences.
4988 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
4990 * tree-vrp.c (extract_range_from_binary_expr): Cope with
4991 vrp_int_const_binop returning non-constant nodes.
4993 2006-01-16 Paul Brook <paul@codesourcery.com>
4995 * config/m68k/m68k.c (output_move_const_into_data_reg):
4996 Output correct mnemonic for mvz and mvs.
4998 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
5000 * rtl-factoring.c: Add sequence abstraction algorithm.
5001 * cfgcleanup.c (outgoing_edges_match): Extra checks.
5002 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5004 (block_has_preserve_label): New function.
5005 * common.opt: Register new pass.
5006 * Makefile.in: Ditto.
5008 * timevar.def: Ditto.
5009 * tree-pass.h: Ditto.
5010 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5011 * rtl.h (make_jump_insn_raw): Add forward decl.
5012 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5014 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
5015 Roger Sayle <roger@eyesopen.com>
5017 * fold-const.c (fold_minmax): New static function.
5018 (fold_binary) <MIN_EXPR>: Call it.
5019 <MAX_EXPR>: Likewise.
5020 * stor-layout.c (place_field): Use DECL_SIZE consistently
5021 in the computation of the new record size.
5023 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
5025 * cse.c (cse_condition_code_reg): Make it static.
5026 * rtl.h: Remove the prototype for cse_condition_code_reg.
5028 * combine.c (combine_instructions): Make it static.
5029 * rtl.h: Remove the prototype for combine_instructions.
5031 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5034 * tree.c (get_file_function_name_long): Concatenate the first global
5035 object name with a string derived from the input filename of the object
5038 2006-01-16 Ben Elliston <bje@au.ibm.com>
5040 * config/i386/winnt-stubs.c: Update FSF address.
5041 * config/xtensa/ieee754-df.S: Ditto.
5042 * config/xtensa/ieee754-sf.S: Ditto.
5044 2006-01-14 Ian Lance Taylor <ian@airs.com>
5046 * ifcvt.c (noce_init_if_info): New static function, broken out of
5047 noce_process_if_block.
5048 (noce_process_if_block): Call noce_init_if_info.
5049 (check_cond_move_block): New static function.
5050 (cond_move_process_if_block): New static function.
5051 (process_if_block): Call cond_move_process_if_block.
5053 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
5055 * cselib.c (hash_table): Rename to cselib_hash_table.
5056 (cselib_clear_table, discard_useless_values,
5057 remove_useless_values, cselib_lookup_mem, cselib_lookup,
5058 cselib_init, cselib_finish): Adjust uses of hash_table.
5060 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
5062 PR tree-optimization/25485
5063 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5064 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5065 is known to be false and true, respectively.
5067 2006-01-14 Richard Guenther <rguenther@suse.de>
5069 PR tree-optimization/22548
5070 PR tree-optimization/22555
5071 PR tree-optimization/22501
5072 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5073 * params.def (salias-max-array-elements): New parameter.
5074 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5075 * doc/invoke.texi (salias-max-array-elements): Document.
5076 * tree-flow-inline.h (var_can_have_subvars): We also handle
5078 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5080 * tree-ssa-structalias.c (params.h): Include.
5081 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5082 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5083 (get_constraint_for): For ADDR_EXPR operating on something
5084 containing an ARRAY_REF, add all subvars to the solution.
5085 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5086 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5087 for creating MUST_DEFs.
5088 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5090 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5092 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5094 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5095 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5096 number_of_iterations_le): New functions.
5097 (number_of_iterations_special): Removed.
5098 (number_of_iterations_exit): Do not use number_of_iterations_special.
5099 * tree.c (unsigned_type_for): Always return integer type.
5101 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
5102 Richard Guenther <rguenther@suse.de>
5104 PR rtl-optimization/24257
5105 * gcse.c (find_moveable_store): Only consider a store movable
5106 when the SET_SRC of the insn can be assigned to a register.
5108 2006-01-14 Ian Lance Taylor <ian@airs.com>
5110 * tree.c (tree_not_class_check_failed): New function.
5111 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5112 (tree_not_class_check_failed): Declare.
5114 2006-01-13 Ian Lance Taylor <ian@airs.com>
5116 * reload1.c (do_output_reload): Add assertion rejecting a
5119 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
5121 * combine.c (struct reg_stat): Add new fields truncation_label and
5123 (record_value_for_reg): Reset truncated_to_mode.
5124 (record_truncated_value): New function.
5125 (check_promoted_subreg): Call it. Rename to check_conversions.
5126 (combine_instructions): Rename check_promoted_subreg to
5128 (reg_truncated_to_mode): New function.
5129 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
5130 (gen_lowpart_or_truncate): New function.
5131 (force_to_mode): Use it instead of gen_lowpart.
5133 2006-01-13 Diego Novillo <dnovillo@redhat.com>
5135 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
5136 VAR is a tag, not its type tag.
5138 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
5140 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5141 alternatives to match style of other entries.
5142 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
5144 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
5146 PR tree-optimization/25771
5147 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5150 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
5153 * tree-inline.c (declare_return_variable): If the return variable
5154 was marked as a non gimple complex, set the return slot variable
5155 to be a non gimple comple variable.
5157 2006-01-13 Richard Guenther <rguenther@suse.de>
5159 * builtins.c (expand_builtin_sincos): New function.
5160 (expand_builtin_mathfn_3): Remove dead code, sin and cos
5162 (expand_builtin): Expand sincos using expand_builtin_sincos.
5164 2006-01-12 DJ Delorie <dj@redhat.com>
5166 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5167 shift counts, separate SI shifts for m32c vs m16c, pass shift type
5168 so that constant shifts can be split.
5169 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5170 (m32c_valid_pointer_mode): Make static.
5171 (shift_gen_func_for): New.
5172 (m32c_prepare_shift): Use it. Split large const shifts into
5174 * config/m32c/predicates.md (shiftcount_operand): Allow more
5176 (longshiftcount_operand): New.
5177 * doc/md.texi (Machine Constraints): Document In6.
5179 2006-01-13 Ben Elliston <bje@au.ibm.com>
5181 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5182 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5185 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
5187 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5188 to try to avoid clobbering pieces of structures when we know
5189 something about the whole structure.
5190 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5192 2006-01-13 Ben Elliston <bje@au.ibm.com>
5194 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5195 return in memory, as this is no limitation is no longer present.
5197 2006-01-12 DJ Delorie <dj@redhat.com>
5199 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5200 mova with fb, and for fb+0 -> An.
5202 * config/m32c/mov.md (peephole2): Fix enabling logic.
5204 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5205 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5206 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5207 FINI_ARRAY_SECTION_ASM_OP): Define.
5209 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5211 (m32c_legitimize_reload_address): New logic to reload FB to An.
5212 (m32c_output_reg_push): Add newline.
5213 (m32c_output_reg_pop): Likewise.
5215 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
5217 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5219 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
5221 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5223 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5225 * config/sh/predicates.md (sh_rep_vec): Add parallel to
5228 2006-01-11 Ben Elliston <bje@au.ibm.com>
5230 * rtlanal.c (find_reg_note): Assert insn is not null.
5232 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5234 * df-scan.c (df_hard_reg_init): Move declaration of i outside
5237 2006-01-11 Jeff Law <law@redhat.com>
5239 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5241 (mark_threaded_blocks, register_jump_thread): New functions.
5242 (thread_through_all_blocks): Remove unwanted argument. No
5243 longer rely on e->aux to communicate thread target info.
5244 Call mark_threaded_blocks. Release the threaded_blocks
5245 bitmap and threaded_edges vector when complete.
5246 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5247 (threaded_blocks): Remove.
5248 (tree_ssa_dominator_optimize): Remove initialization and
5249 finalization of threaded_blocks. Simplify call to
5250 thread_through_all_blocks.
5251 (thread_across_edge): Call register_jump_thread rather than
5252 storing thread information into e->aux.
5253 (free_all_edge_infos): Simplify now that e->aux is no longer
5254 used to communicate with thread_through_all_blocks.
5255 * tree-flow.h (thread_through_all_blocks): Update prototype.
5256 (register_jump_thread): Prototype.
5258 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5260 * df-core.c (df_compact_blocks, df_bb_replace): Use
5261 SET_BASIC_BLOCK instead of BASIC_BLOCK.
5263 2006-01-11 Richard Guenther <rguenther@suse.de>
5265 PR tree-optimization/25734
5266 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5267 stop propagation after successful propagation to the LHS.
5269 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
5271 * basic-block.h (control_flow_graph): Change the type of
5272 x_basic_block_info to VEC(basic_block,gc) *.
5273 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5275 (SET_BASIC_BLOCK): New.
5276 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5277 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5278 * cfgbuild.c (find_basic_blocks): Likewise.
5279 * cfglayout.c (fixup_reorder_chain): Likewise.
5280 * cfgrtl.c (create_basic_block_structure,
5281 rtl_create_basic_block): Likewise.
5282 * ifcvt.c (find_if_case_1): Likewise.
5283 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5286 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5288 * Makefile.in: Removed rotted odf.c entry.
5290 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
5293 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5294 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5295 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5296 output pattern modifier, not %e.
5297 * config/cris/cris.c (cris_op_str): Update comment about pattern
5299 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5300 before falling through into...
5301 <case 'E'>: Redefined from old 'e' case.
5303 2006-01-11 Jan Hubicka <jh@suse.cz>
5306 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5308 2006-01-11 Jan Hubicka <jh@suse.cz>
5310 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5311 * i386.c (x86_decompose_lea): Kill.
5312 (ix86_rtx_costs): Kill.
5314 2006-01-11 Jan Hubicka <jh@suse.cz>
5316 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5317 * cgraph.h (cgraph_node): Add inline_decl.
5318 (cgraph_insert_node_to_hashtable): Declare.
5319 (save_inline_function_body): Declare.
5320 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5322 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5323 (cgraph_function_versioning): Update call of tree_function_versioning.
5324 (save_inline_function_body): New function.
5325 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5326 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5327 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5328 (cgraph_default_inline_p): Likewise.
5329 (cgraph_decide_inlining_incrementally): Likewise.
5330 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5331 (copy_bb): Kill saving; do updating of clones.
5332 (copy_cfg_body): Kill saving.
5333 (initialize_inlined-parameters): Likewise.
5334 (expand_call_inline): Likewise.
5336 (tree_function_versioning): New parameter "update_clones".
5337 (inlining_p): Kill saving.
5338 * tree-inline.h (tree_function_versioning): Update prototype.
5339 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5342 2006-01-11 Ian Lance Taylor <ian@airs.com>
5344 * combine.c (struct undo): Remove is_int. Enumify types of undos.
5345 Allow undoing set of machine mode.
5346 (do_SUBST): Use enums instead of is_int.
5347 (do_SUBST_MODE): New function.
5348 (SUBST_MODE): New macro.
5349 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5350 reg and trying to replace reg_regno_rtx with a new register.
5351 (undo_all): Use new enums, handle undoing a PUT_MODE change.
5352 (simplify_set): Use SUBST_MODE.
5353 (distribute_notes): Remove code that tried to update reg notes
5354 for regno_reg_rtx changes.
5356 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
5358 PR tree-optimization/23109
5359 PR tree-optimization/23948
5360 PR tree-optimization/24123
5362 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5363 * tree-cfg.c (single_noncomplex_succ): New.
5364 * tree-flow.h (single_noncomplex_succ): Declare it.
5365 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5366 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5367 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5368 insert_bb, register_division_in, insert_reciprocals,
5369 replace_reciprocal, free_bb): New.
5370 (execute_cse_reciprocals_1): Rewritten.
5371 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5372 Do not commit any edge insertion. Always compute dominators and
5373 create the allocation pool.
5374 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5375 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5376 * targhooks.c (default_min_divistions_for_recip_mul): New.
5377 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5378 * passes.c (init_optimization_passes): Run recip after tree loop
5380 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5382 2006-01-11 Danny Berlin <dberlin@dberlin.org>
5383 Kenneth Zadeck <zadeck@naturalbridge.com>
5385 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5386 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5387 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5388 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5389 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5390 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5391 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5392 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5393 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5394 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5395 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5396 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5397 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5398 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5399 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5400 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5401 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5402 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5403 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5404 DF_SCAN_POST_ALLOC): New macros.
5405 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5406 df_free_bb_function, df_local_compute_function, df_init_function,
5407 df_dataflow_function, df_confluence_function_0,
5408 df_confluence_function_n, df_transfer_function,
5409 df_finalizer_function, df_free_function, df_dump_problem_function,
5410 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5411 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5412 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5413 df_urec_bb_info, ) New types.
5414 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5416 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5417 df_analyze_simple_change_some_blocks,
5418 df_analyze_simple_change_one_block, df_compact_blocks,
5419 df_bb_replace, df_bb_regno_last_use_find,
5420 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5421 df_insn_regno_def_p, df_find_def, df_find_use,
5422 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5423 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5424 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5425 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5426 debug_df_chain, df_get_dependent_problem, df_chain_create,
5427 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5428 df_grow_bb_info, df_chain_dump, df_print_bb_index,
5429 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5430 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5431 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5432 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5433 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5434 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5435 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5436 df_ref_remove, df_insn_refs_delete, df_refs_delete,
5437 df_reorganize_refs, df_set_state, df_hard_reg_init,
5438 df_read_modify_subreg_p) New public functions.
5439 * df-core.c: The core dataflow solver and glue routines for rtl
5441 (df_init, df_add_problem, df_set_blocks, df_finish,
5442 df_hybrid_search_forward, df_hybrid_search_backward,
5443 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5444 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5445 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5446 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5447 df_reg_defined, df_find_use, df_reg_used, df_dump,
5448 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5449 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5450 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5451 debug_df_useno, reset_df_after_reload): New functions.
5452 * df-scan.c: The scanning fuctions, once in df.c, completely
5453 rewritten so that they now fully model the functionality of
5454 register usage at the backend.
5455 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5456 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5457 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5458 df_grow_insn_info, df_rescan_blocks, df_ref_create,
5459 df_get_artificial_defs, df_get_artificial_uses,
5460 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5461 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5462 df_refs_delete, df_reorganize_refs, df_set_state,
5463 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5464 df_def_record_1, df_defs_record, df_uses_record,
5465 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5466 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5467 df_record_exit_block_uses, df_hard_reg_init): New functions.
5469 * df-problems.c: Seven concrete dataflow problems that use the
5470 scanning in df-scan.c and are solved by the engine in df-core.c.
5471 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5472 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5473 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5474 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5475 df_ru_free_bb_info, df_ru_alloc,
5476 df_ru_bb_local_compute_process_def,
5477 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5478 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5479 df_ru_transfer_function, df_ru_free, df_ru_dump,
5480 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5481 df_rd_free_bb_info, df_rd_alloc,
5482 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5483 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5484 df_rd_transfer_function, df_rd_free, df_rd_dump,
5485 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5486 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5487 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5488 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5489 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5490 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5491 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5492 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5493 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5494 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5495 df_urec_mark_reg_change, df_urec_check_earlyclobber,
5496 df_urec_mark_reg_use_for_earlyclobber,
5497 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5498 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5499 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5500 df_urec_dump, df_urec_add_problem, df_chain_alloc,
5501 df_chain_create_bb_process_use, df_chain_create_bb,
5502 df_chain_finalize, df_chain_free, df_chains_dump,
5503 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5504 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5505 df_reg_lifetime): New functions.
5506 * df.c: Deleted file.
5507 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5508 consistent with new df api.
5509 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5510 rest_of_handle_sms): Ditto.
5511 * web.c (unionfind_union, union_defs, entry_register, web_main):
5513 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5514 invariant_expr_equal_p, find_defs, check_dependencies,
5515 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5516 free_inv_motion_data, move_loop_invariants): Ditto.
5517 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5518 Update dependencies.
5519 (odf.c): Added defective entry that was deleted later in day.
5520 * sched-deps.c (sched_analyze_1): Ditto.
5522 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5524 * tree-ssa-operands.c (get_expr_operands): Record addressable
5525 variables directly. Do not call add_stmt_operands for CONST_DECLs
5527 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5528 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5530 2006-01-11 Ben Elliston <bje@au.ibm.com>
5532 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5533 function returns true in the positive case.
5535 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5538 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5539 for SI, DI, SF and DF modes. Add alternatives to copy between
5540 general and floating point registers to the 32-bit patterns.
5541 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5542 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5543 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5544 generating 64-bit code.
5545 * config/pa/pa.c (output_move_double): Handle copies between general
5546 and floating registers.
5548 2006-01-10 Stuart Hastings <stuart@apple.com>
5550 * config/i386/i386.md (set_got): Update.
5551 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
5552 (builtin_setjmp_receiver): Mach-O support.
5553 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5554 (GOT_SYMBOL_NAME): Define.
5555 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5556 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5557 * config/i386/i386.c (override_options): Revise for Darwin.
5558 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
5559 support. (darwin_x86_file_end): New. (output_set_got): Add label
5560 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
5561 * config/i386/i386-protos.h (output_set_got): Likewise.
5562 * config/darwin.c (machopic_legitimize_pic_address): Update
5565 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
5567 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5568 when MODE isn't BLKmode.
5570 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5572 PR rtl-optimization/25367
5573 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5575 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
5578 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5579 for a negative bound.
5581 2006-01-10 Richard Guenther <rguenther@suse.de>
5583 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5584 Never override with anything constraint.
5586 2006-01-10 Jan Beulich <jbeulich@novell.com>
5588 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
5589 256 bits when optimize_size.
5591 2006-01-10 Jan Beulich <jbeulich@novell.com>
5593 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
5595 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
5596 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
5599 2006-01-10 Ben Elliston <bje@au.ibm.com>
5601 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
5603 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
5604 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5605 (USE_FP_FOR_ARG): Reject decimal float modes.
5606 (function_arg_advance): Likewise.
5607 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
5608 (rs6000_handle_altivec_attribute): Do not permit decimal floating
5609 point types in AltiVec vectors.
5610 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
5611 (rs6000_libcall_value): Likewise.
5613 2006-01-09 Bob Wilson <bob.wilson@acm.org>
5615 * config/xtensa/ieee754-df.S: New file.
5616 * config/xtensa/ieee754-sf.S: New file.
5617 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
5618 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
5619 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
5621 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
5623 * config/sh/predicates.md (binary_float_operator,
5624 binary_logical_operator, commutative_float_operator,
5625 equality_comparison_operator, greater_comparison_operator,
5626 less_comparison_operator, logical_operator,
5627 noncommutative_float_operator, shift_operator,
5628 symbol_ref_operand, unary_float_operator): Remove redundant
5631 2006-01-09 Jeff Law <law@redhat.com>
5633 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
5634 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
5635 now unused arguments. Callers updated.
5636 (eliminate_redundant_computations): Remove now unused arguments,
5638 (local_fold): Remove, no longer used.
5639 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
5641 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
5642 (simplify_cond): New function.
5643 (forward_propagate_into_cond): Call simplify_cond.
5645 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
5647 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
5648 (*vec_extractv2di_1_sse): New.
5650 2006-01-09 Ben Elliston <bje@au.ibm.com>
5652 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
5654 2006-01-08 Richard Guenther <rguenther@suse.de>
5656 * tree-ssa-structalias.c (get_constraint_for): Remove
5658 (get_constraint_for_component_ref): Likewise.
5659 (do_deref): Likewise.
5660 (get_constraint_for): Likewise.
5661 (do_structure_copy): Likewise.
5662 (handle_ptr_arith): Likewise.
5663 (find_func_aliases): Likewise. Remove unused need_anyoffset
5666 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
5667 Kaz Kojima <kkojima@gcc.gnu.org>
5669 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
5670 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
5671 (EXTRA_CONSTRAINT_C16): Remove.
5672 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
5673 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
5674 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
5675 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
5676 constants of SHmedia. Handle nested constant expressions of
5678 (andcosts): Fix the costs for SHmedia constants.
5679 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
5680 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
5681 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
5682 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
5683 (movv4hi_i, movv2si_i): Likewise.
5684 (movsi_const): Adjust the second operand of ior so to match with
5686 (movdi_const, movdi_const_32bit): Likewise.
5687 (movdi_const_16bit+1): Don't sign-extend LOW.
5688 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
5690 (*double_shori): Fix the split condition. Use GEN_INT instead
5691 of get_int_mode calls. Mask lower 16-bit of the argument of
5693 (sym2GOTPLT): Remove.
5694 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
5696 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
5697 instead of EXTRA_CONSTRAINT_C16.
5699 2006-01-07 Ian Lance Taylor <ian@airs.com>
5700 David Edelsohn <edelsohn@gnu.org>
5702 PR rtl-optimization/25662
5703 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
5704 for constant operands instead of simplify_gen_binary.
5705 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
5706 after trying simplify_binary_operation
5708 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
5710 * tree.c (iterative_hash_expr): Hash decls based on UID.
5712 2006-01-06 Eric Christopher <echristo@apple.com>
5714 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
5715 (TARGET_UNWIND_EMIT): Fix spelling.
5716 * target.h (gcc_target): Add except_table_label.
5717 * except.c (output_function_exception_table): Use.
5718 * varasm.c (default_emit_except_table_label): New.
5719 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
5721 (asm_out): Add here.
5722 * output.h (default_emit_except_table_label): Prototype.
5723 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
5724 * config/darwin.c (darwin_emit_except_table_label): Define.
5725 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
5727 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
5729 PR tree-optimization/18527
5730 * tree-ssa-loop-niter.c (number_of_iterations_cond,
5731 number_of_iterations_special, number_of_iterations_exit):
5732 Move base and step of an iv to a single structure. Add
5733 no_overflow flag, and use it in # of iterations analysis.
5734 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
5735 folded_casts argument.
5736 (simple_iv): Pass base and step in a structure. Set no_overflow
5738 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
5739 Evaluate expensiveness of computing # of iterations instead of
5740 the final expression.
5741 * tree-scalar-evolution.h (affine_iv): New structure.
5742 (simple_iv): Declaration changed.
5743 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
5744 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
5745 find_givs_in_stmt): Changed due to simple_iv change.
5747 2006-01-06 Jeff Law <law@redhat.com>
5750 * tree-cfg.c (bsi_replace): Rename final argument from
5751 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
5752 change (stmt -> orig_stmt).
5753 * tree-eh.c (verify_eh_throw_stmt_node): New function.
5754 (bsi_remove): Add new argument. Remove EH information
5756 (verify_eh_throw_table_statements): New function.
5757 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
5759 * tree-optimize.c (execute_free_cfg_annotations): Verify
5760 the EH throw statement table after removing annotations.
5761 * except.h (verify_eh_throw_table_statements): Prototype.
5762 * tree-flow.h (bsi_remove): Update prototype.
5763 * tree-vrp.c (remove_range_assertions): Add new argument to
5765 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
5766 * tree-complex.c (expand_complex_div_wide): Likewise.
5767 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
5768 * tree-tailcall.c (eliminate_tailcall): Likewise.
5769 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
5770 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
5771 * tree-nrv.c (tree_nrv): Likewise.
5772 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
5773 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
5774 (combine_blocks): Likewise.
5775 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
5776 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
5777 (cleanup_control_flow): Likewise.
5778 (remove_forwarder_block): Likewise.
5779 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
5780 * tree-sra.c (sra_replace): Likewise.
5781 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
5782 (forward_propagate_single_use_vars): Likewise.
5783 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
5784 * tree-inline.c (expand_call_inline): Likewise.
5785 * tree-vect-transform.c (vect_transform_loop): Likewise.
5786 * tree-outof-ssa.c (rewrite_trees): Likewise.
5787 * tree-cfg.c (make_goto_expr_edges): Likewise.
5788 (cleanup_dead_labels): Likewise.
5789 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
5790 (bsi_move_before, bsi_move_after): Likewise.
5791 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
5792 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
5794 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
5797 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
5799 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
5800 on non gimple variables. Also add checks at the top for decls and
5802 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
5804 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
5805 and IMAGPART_EXPR for creating MUST_DEFs.
5806 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
5807 and NAME_MEMORY_TAG separately from the DECLs.
5809 2006-01-06 Richard Guenther <rguenther@suse.de>
5811 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
5812 annotation, if necessary.
5813 * tree-ssa-pre.c (create_expression_by_pieces): Remove
5814 redundant calls to update_stmt.
5815 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
5818 2006-01-05 Richard Henderson <rth@redhat.com>
5820 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
5822 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5824 * c-typeck.c: Update copyright date.
5826 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
5828 * c-typeck.c (build_c_cast): Always warn when casting
5829 from a pointer to an integer of different size, even if
5830 the node was constant.
5832 2006-01-05 Richard Guenther <rguenther@suse.de>
5834 PR tree-optimization/22555
5835 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
5836 if one structure field is an array.
5837 * tree-ssa-operands.c (get_expr_operands): Continue scanning
5838 operands even if we found a subvar, but ignore VOPs in this
5840 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
5842 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
5844 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
5847 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
5849 2006-01-05 Richard Guenther <rguenther@suse.de>
5850 Diego Novillo <dnovillo@redhat.com>
5852 * tree-pass.h (TODO_remove_unused_locals): Define.
5853 * gimple-low.c (expand_var_p, remove_useless_vars,
5854 pass_remove_useless_vars): Remove. Update all users.
5855 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
5856 (remove_unused_locals): New function.
5857 * tree-flow.h (remove_unused_locals): Declare.
5858 * passes.c (execute_todo): Call remove_unused_locals if
5859 TODO_remove_unused_locals is set.
5860 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
5861 * tree-ssa-dce.c (pass_dce): Likewise.
5862 * tree-outof-ssa.c (pass_del_ssa): Likewise.
5864 2006-01-05 Richard Guenther <rguenther@suse.de>
5866 * tree-flow.h (struct fieldoff): Decompose field to
5867 type, size and decl.
5868 * tree-ssa-alias.c (create_sft): Take type as parameter.
5869 (create_overlap_variables_for): Store type, size and decl
5870 in the fieldoff structure.
5871 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
5873 (push_fields_onto_fieldstack): Likewise.
5874 (create_variable_info_for): Likewise. Use offset for the
5875 SFT name if the decl is not available.
5877 2006-01-04 Paul Brook <paul@codesourcery.com>
5879 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
5881 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
5883 * lambda-code.c (can_put_in_inner_loop): Relax
5885 (can_put_after_inner_loop): New function.
5886 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
5887 (perfect_nestify): Change to make copies and modify uses.
5889 2006-01-04 Richard Henderson <rth@redhat.com>
5891 Merge from gomp branch:
5892 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
5893 via integer constant.
5894 (pragma_lex): Remove.
5895 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
5896 rather than parsing it.
5897 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
5898 handle_pragma_extern_prefix): Add %< %> quotes.
5899 (registered_pragmas): New.
5900 (c_register_pragma_1): New.
5901 (c_register_pragma): Use it.
5902 (c_register_pragma_with_expansion): Likewise.
5903 (c_invoke_pragma_handler): New.
5904 (init_pragma): Use cpp_register_deferred_pragma directly for
5906 * c-pragma.h (enum pragma_kind): New.
5907 (pragma_handler): New.
5908 (c_invoke_pragma_handler): Declare.
5909 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
5911 * c-common.h (c_common_pch_pragma): Update decl.
5912 * Makefile.in (c-parser.o): Update dependencies.
5913 (GTFILES): Add c-pragma.h.
5914 * c-parser.c (struct c_token): Add pragma_kind.
5915 (struct c_parser): Add in_pragma.
5916 (c_lex_one_token): Always initialize keyword and pragma_kind.
5917 Extract data for CPP_PRAGMA.
5918 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
5919 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
5920 Don't allow CPP_PRAGMA_EOL if in_pragma.
5921 (c_parser_consume_pragma): New.
5922 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
5923 (c_parser_skip_to_end_of_parameter): Likewise.
5924 (c_parser_skip_to_end_of_block_or_statement): Likewise.
5925 (c_parser_skip_to_pragma_eol): New.
5926 (c_parser_external_declaration): Handle CPP_PRAGMA.
5927 (c_parser_compound_statement_nostart): Likewise.
5928 (c_parser_statement_after_labels): Likewise.
5929 (c_parser_pragma): New.
5930 (pragma_lex): Likewise.
5931 (c_parser_pragma_pch_preprocess): New.
5932 (c_parser_new): Merge into ...
5933 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
5935 2006-01-04 Jeff Law <law@redhat.com>
5938 * tree-cfg.c (bsi_replace): Remove the original statement
5939 from the EH throw statement table.
5941 2006-01-04 Jakub Jelinek <jakub@redhat.com>
5943 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
5944 make the prototype extern "C" and add throw ().
5947 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
5948 and pos non-negative and pos + len <= 32.
5949 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
5950 drop pos + len < HOST_BITS_PER_WIDE_INT test.
5951 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
5954 * c-common.c (handle_vector_size_attribute): Reject zero vector size
5955 as well as sizes not multiple of component size.
5958 * function.c (instantiate_expr): New function.
5959 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
5960 walk its DECL_VALUE_EXPR with instantiate_expr.
5962 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
5963 DW_OP_deref{,_size} if address isn't going to be added.
5965 2006-01-04 Ben Elliston <bje@au.ibm.com>
5967 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
5968 * config/fp-bit.c: Likewise.
5970 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
5972 * dominance.c: Add comment about why we use DFS numbering
5975 2006-01-03 Jakub Jelinek <jakub@redhat.com>
5976 Richard Henderson <rth@redhat.com>
5978 Merge from gomp-branch:
5979 * varasm.c (assemble_variable): Handle thread-local COMMON data.
5980 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
5982 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
5984 PR rtl-optimization/25578
5985 * combine.c (combine_simplify_rtx, force_to_mode): Don't
5986 pass a parameter to simplify_shift_const if changing ASHIFTRT
5989 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
5991 * builtins.c (get_builtin_sync_mem): New function.
5992 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
5993 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
5994 Call get_builtin_sync_mem to generate mem rtx.
5996 2006-01-03 Richard Guenther <rguenther@suse.de>
5999 * stmt.c (add_case_node): Make sure to clear overflow flags
6002 2006-01-03 Jakub Jelinek <jakub@redhat.com>
6004 Merge from gomp-branch.
6005 * config/sparc/sync.md: New file.
6006 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6007 UNSPECV_LDSTUB): New constants.
6008 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6009 * config/sparc/predicates.md (memory_reg_operand): New predicate.
6010 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6013 2006-01-03 Roger Sayle <roger@eyesopen.com>
6015 * combine.c (reg_subword_p): New predicate to test whether the
6016 destination of a set refers to a subword/piece of a register.
6017 (try_combine): Generalize the code to merge the setting of a
6018 pseudo to a constant followed by a set of a subword of that
6019 register to a constant.
6021 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
6023 * basic-block.h (control_flow_graph): Change the type of
6024 x_label_to_block_map to VEC(basic_block,gc) *.
6025 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6026 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6028 * tree-ssa-propagate.c (cfg_blocks): Change the type to
6029 VEC(basic_block,heap) *.
6030 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6031 ssa_prop_fini): Adjust the uses of cfg_blocks.
6033 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
6035 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6037 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6038 hashing trees instead of a pointer hash.
6039 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6040 compare for MEM_EXPR.
6042 PR rtl-optimization/25130
6043 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6044 when comparing MEMs for GCSE
6046 2006-01-03 Ben Elliston <bje@au.ibm.com>
6048 * targhooks.h (default_decimal_float_supported_p): Declare.
6049 * targhooks.c (default_decimal_float_supported_p): Define.
6050 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6051 `default_decimal_float_supported_p'.
6052 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6054 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
6056 * combine.c (apply_distributive_law <SUBREG>): Check
6057 TRULY_NOOP_TRUNCATION.
6059 2006-01-02 Geoffrey Keating <geoffk@apple.com>
6061 * dwarf2out.c (have_switched_text_section): Delete.
6062 (have_multiple_function_sections): New.
6063 (have_location_lists): Make 'bool'.
6064 (add_AT_loc_list): Use 'true' not '1'.
6065 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6066 (output_loc_list): Use have_multiple_function_sections.
6067 (output_ranges): Likewise.
6068 (dwarf2out_begin_function): Set have_multiple_function_sections if
6070 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6071 Check function_section rather than DECL_SECTION_NAME.
6072 (dwarf2out_finish): Use have_multiple_function_sections.
6073 Don't clear have_location_lists.
6075 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
6076 Jan Hubicka <jh@suse.cz>
6078 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6079 case of conditional jump jumping to the next instruction.
6080 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6081 cases of conditional jump jumping to the next instruction.
6083 2006-01-02 Jan Hubicka <jh@suse.cz>
6085 * i386.c (*_cost): Add COSTS_N_INSNS.
6086 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6088 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
6091 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6093 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6095 * config/arm/arm.c (all_fpus): Fix comment typo.
6096 * config/darwin.c: Likewise.
6097 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6098 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6099 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6101 2006-01-01 David Edelsohn <edelsohn@gnu.org>
6103 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6104 (rs6000_split_compare_and_swapqhi): New.
6105 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6106 (sync_compare_and_swapqhi_internal): New.
6107 * config/rs6000/rs6000-protos.h: Declare.
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