1 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4 (cse_insn): Likewise for the stack_pointer_rtx.
6 2006-06-08 Roger Sayle <roger@eyesopen.com>
8 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9 conditions from floating point comparisons.
11 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
14 * expmed.c (struct alg_hash_entry): Fix type of field T
15 to match synth_mult argument.
16 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
18 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
21 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
24 2006-06-08 Richard Guenther <rguenther@suse.de>
27 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
28 only, if overflow is defined and not trapping.
29 (negate_expr): Likewise.
31 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
33 PR tree-optimization/27872
34 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
35 flag on the new exit edge of the unrolled loop.
37 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
39 PR rtl-optimization/26449
40 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
42 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
45 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
46 referenced_variables with matching DECL_UID's.
47 (find_referenced_vars): Make sure duplicate list is empty to start.
48 (referenced_var_p): Remove.
49 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
50 Check if var is in the list, and add if needed. Update the duplicate
51 list if a different var is in the list with the same DECL_UID.
52 (add_referenced_var): Call routine to check and insert.
53 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
54 * tree-flow.h (referenced_vars_dup_list): External declaration.
56 2006-06-07 Fred Fish <fnf@specifix.com>
58 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
61 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
64 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
65 the imaginary and real parts of a clobbered register.
66 Emit insn to set the imaginary part.
68 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
70 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
71 in lieu of unwind-dw2-fde.c.
73 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
75 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
77 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
80 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
81 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
82 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
83 V4SImode temporaries and operations instead.
85 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
87 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
90 2006-06-06 Mike Stump <mrs@apple.com>
92 * Makefile.in: Rename to htmldir to build_htmldir to avoid
93 installing during build.
95 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
97 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
99 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
100 * config/ia64/ia64.c (params.h): New header.
101 (ia64_optimization_options): New function to adjust parameters.
102 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
103 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
104 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
106 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
108 * stor-layout.c (debug_rli): Fix a typo in a debug message.
110 2006-06-05 Steve Ellcey <sje@cup.hp.com>
113 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
115 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
116 Victor Kaplansky <victork@il.ibm.com>
118 PR tree-optimization/26360
119 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
122 2006-06-04 Roger Sayle <roger@eyesopen.com>
123 Andrew Pinski <pinskia@physics.uc.edu>
126 * c-common.c (c_common_truthvalue_conversion): Explicitly check
127 for LABEL_DECL before calling DECL_WEAK.
130 * c-typeck.c (build_binary_op): Likewise, explicitly check for
131 LABEL_DECL and PARM_DECL.
133 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
137 * c-decl.c (grokdeclarator): Disallow variably modified types at
138 file scope. Avoid marking shared array type of constant size as
141 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
144 * c-common.c (fold_offsetof_1): Handle static members.
146 2006-06-04 Eric Christopher <echristo@apple.com>
148 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
149 (debug_rli): Output value for remaining_in_alignment.
150 (update_alignment_for_field): Unconditionalize
151 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
152 extra alignment code.
153 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
154 ms_bitfield_layout_p code. Rewrite handling of structure fields.
155 * tree.h (record_layout_info_s): Remove prev_packed.
156 * doc/extend.texi (ms_struct): Add documentation of format.
158 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
160 * tree.h: Declare folding_initializer.
161 * builtins.c (fold_builtin_constant_p): Give definite answer
162 if folding inside an initializer.
163 * fold-const.c: Define folding_initializer.
164 (START_FOLD_INIT): Save and then set folding_initializer.
165 (END_FOLD_INIT): Restore folding_initializer.
167 2006-06-04 Richard Guenther <rguenther@suse.de>
169 PR tree-optimization/27039
170 * fold-const.c (fold_comparison): Handle pointer comparison
171 again for all comparison codes. Compare offsets in signed
173 (fold_binary): Move code from here.
175 2006-06-03 Roger Sayle <roger@eyesopen.com>
178 * config/i386/i386.c (construct_container): Split static issued_error
179 flag into issued_sse_arg_error, issued_sse_ret_error and
180 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
181 requires the use of x87 registers and the user explicitly
182 specified the -mno-80387 command line option.
184 2006-06-02 Geoffrey Keating <geoffk@apple.com>
186 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
187 HAVE_DECL_SIGALTSTACK.
189 (segv_handler): Use MC_FLD.
190 * configure.ac: Check for a sigaltstack declaration.
191 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
192 * configure: Regenerate.
193 * config.in: Regenerate.
195 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
198 * Makefile.in (stmp-fixinc): Fix typo.
200 2006-06-02 Roger Sayle <roger@eyesopen.com>
202 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
203 are type correct. Clean-up.
204 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
205 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
207 2006-06-01 DJ Delorie <dj@redhat.com>
209 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
210 shift, as we've disabled the "switch" insn that needs it.
212 2006-06-01 Per Bothner <bothner@bothner.com>
214 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
215 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
216 * c-ppoutput.c (cb_define): Don't increment line 0.
218 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
220 * doc/invoke.texi: Add cpu_type power6.
221 * config.gcc: Add cpu_type power6.
222 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
223 to power5+ with Altivec.
224 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
225 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
227 2006-05-30 Anatoly Sokolov <aesok@post.ru>
229 * config/avr/avr.h (SET_ASM_OP): Define.
231 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
233 * config/bfin/bfin.c: Fix comment typos.
235 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
238 * doc/install.texi: Document --enable-bootstrap and
241 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
243 * doc/install.texi: Document that InfoZIP can replace jar.
245 2006-05-31 Roger Sayle <roger@eyesopen.com>
247 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
248 isn't available, directly generate the simpler x87 patterns without
249 the (use (const_int 0)).
250 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
251 implementation isn't available.
252 (*negdf2_1): Likewise.
253 (*negxf2_1): XF mode negation is always done using the x87.
254 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
256 2006-05-31 Roger Sayle <roger@eyesopen.com>
258 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
259 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
261 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
263 2006-05-31 Jie Zhang <jie.zhang@analog.com>
265 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
266 * config/bfin/bfin.c (basic-block.h): Include.
267 (struct machine_function): New.
268 (bfin_init_machine_status): New.
269 (override_options): Initialize init_machine_status.
270 (bfin_hardware_loop): New.
271 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
272 (DEF_VEC_P (loop_info)): New.
273 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
274 (struct loop_info): New.
275 (loop_info): New typedef.
276 (struct loop_work): New.
277 (loop_work): New typedef.
278 (DEF_VEC_O (loop_work)): New.
279 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
280 (bfin_dump_loops): New.
281 (bfin_bb_in_loop): New.
282 (bfin_scan_loop): New.
283 (bfin_optimize_loop): New.
284 (bfin_reorg_loops): New.
285 (bfin_reorg): Use bfin_reorg_loops.
286 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
288 (I_REGNO_P): Simplify.
289 (DP_REGNO_P, DPREG_P): New macros.
290 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
291 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
292 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
293 Add LT_REGS, LC_REGS, LB_REGS.
294 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
296 (REGNO_REG_CLASS): Deal with loop registers.
297 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
299 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
300 New constants for loop registers.
301 (UNSPEC_LSETUP_END): New.
302 (seq_insns): New define_attr. Set it for appropriate insns.
303 (movsi_insn): Add alternatives for move from/to
304 loop count registers.
305 (doloop_end): New define_expand.
306 (loop_end): New define_insn.
307 (define_split for bad doloop_end): New.
308 (lsetup_with_autoinit): New define_insn.
309 (lsetup_without_autoinit): New define_insn.
310 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
311 * config/bfin/predicates.md (lc_register_operand): New.
312 (lt_register_operand): New.
313 (lb_register_operand): New.
314 (nondp_register_operand): New.
315 (nondp_reg_or_memory_operand): New.
316 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
318 2006-05-31 Jie Zhang <jie.zhang@analog.com>
320 * config/bfin/bfin.c (bfin_delegitimize_address): New.
321 (TARGET_DELEGITIMIZE_ADDRESS): Define.
323 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
325 * Makefile.in (CATALOGS): Add po/ prefix.
326 * configure: Regenerated.
328 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
331 * arm.c (arm_print_operand case 'S'): Validate that the operand is
332 a shift operand before calling shift_op. Avoid redundant call of
335 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
336 DJ Delorie <dj@redhat.com>
338 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
339 we're inserting is a singlt-bit constant.
341 2006-05-30 Roger Sayle <roger@eyesopen.com>
343 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
344 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
346 2006-05-30 Roger Sayle <roger@eyesopen.com>
348 PR tree-optimization/23452
349 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
350 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
351 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
352 complex values and with -ffast-math for FP complex values.
354 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
356 * c-common.h: Remove the prototype for yyparse.
357 * rtl.h: Remove the prototype for init_loop.
359 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
361 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
364 2006-05-30 Roger Sayle <roger@eyesopen.com>
366 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
368 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
369 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
371 2006-05-30 Dirk Mueller <dmueller@suse.de>
374 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
375 for CONSTANT_CLASS_P expresisons.
377 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
380 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
382 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
384 PR tree-optimization/27779
385 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
386 initial_condition instead of CHREC_LEFT.
388 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
390 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
391 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
392 Make prototypes ISO C90.
394 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
395 Leehod Baruch <leehod.baruch@weizmann.ac.il>
397 * see.c (see_analyze_one_def): Correct check.
398 (see_get_extension_data): Check if extension is parallel.
399 (see_get_extension_reg): Likewise.
401 2006-05-30 Uros Bizjak <uros@kss-loka.si>
404 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
405 into register for (code == GTU).
407 2006-05-29 Roger Sayle <roger@eyesopen.com>
409 PR tree-optimization/24964
410 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
411 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
412 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
413 abs(x)*abs(x) as x*x for scalar floating point modes.
415 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
418 * lambda-code.c (perfect_nestify): Don't copy statements
419 in the inner loop: move them to the inner loop header.
421 2006-05-29 Diego Novillo <dnovillo@redhat.com>
424 * c-tree.texi: Document OpenMP directives and clauses.
426 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
428 * varasm.c (globalize_decl): Fix indentation.
430 2006-05-29 Diego Novillo <dnovillo@redhat.com>
433 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
434 pass_fre, pass_store_ccp, pass_copy_prop,
435 pass_store_copy_prop, pass_merge_phi, pass_nrv,
436 pass_return_slot, pass_object_size, pass_lim,
437 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
438 pass_loop_prefetch and pass_stdarg.
440 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
442 * config/bfin/bfin.opt (mfdpic): New option.
443 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
444 (EXTRA_MULTILIB_PARTS): Likewise.
445 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
446 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
448 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
449 (CRT_CALL_STATIC_FUNCTION): New.
450 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
452 (CRT_CALL_STATIC_FUNCTION): New.
453 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
455 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
456 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
457 (initialize_trampoline): Changed to handle FD-PIC code generation.
458 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
459 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
460 (override_options): Disallow -mid-shared-library -mfdpic combination.
461 Can't do unaligned ops if FD-PIC.
462 Turn off flag_pic if trying to generate non-id-shared-library
463 non-fdpic code, since it's not supported.
464 (bfin_assemble_integer): New function.
465 (TARGET_ASM_INTEGER): Define.
466 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
468 * config/bfin/crtn.s: Restore them.
469 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
471 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
472 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
473 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
474 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
475 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
477 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
478 FDPIC_REGS and FDPIC_FPTR_REGS.
479 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
480 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
481 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
482 (load_funcdescsi): New pattern.
483 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
484 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
485 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
487 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
489 * gcse.c, rtlanal.c: Remove obsolete comments associated with
492 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
494 * tree-flow.h: Remove the prototype for add_type_alias.
495 * tree-ssa-alias.c (add_type_alias): Remove.
497 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
499 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
500 config/fr30/fr30.md, config/i386/i386-interix.h,
501 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
502 config/sh/superh64.h, config/v850/v850.c, df-core.c,
503 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
504 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
505 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
506 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
507 Follow spelling conventions.
508 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
509 Follow spelling conventions.
511 2006-05-27 Richard Guenther <rguenther@suse.de>
514 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
515 to produce a constant of value 1 of generic type.
517 2006-05-27 Dirk Mueller <dmueller@suse.de>
519 * cgraphunit.c (decide_is_function_needed): Fix wrong
522 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
524 PR rtl-optimization/27661
525 * reload.c (find_reloads): When reloading a VOIDmode constant
526 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
527 use Pmode as mode of the reload register.
529 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
531 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
532 is enabled at -O and above.
534 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
537 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
540 2006-05-25 Mark Mitchell <mark@codesourcery.com>
543 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
544 for anonymous variables explicitly declared by front ends.
546 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
548 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
549 (struct alias_info): Add new field ref_all_symbol_mem_tag.
550 * tree-ssa-alias.c (compute_may_aliases): If the program contains
551 ref-all pointers, run a finalization pass for them.
552 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
553 (finalize_ref_all_pointers): New function.
554 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
555 regular pointer type to a ref-all pointer type.
556 (get_tmt_for): Return the special memory tag for ref-all pointers.
558 2006-05-25 Richard Guenther <rguenther@suse.de>
561 * fold-const.c (fold_binary): Do not look at the stripped
562 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
564 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
566 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
567 for LT and GT if the computed range is effectively empty.
569 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
572 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
573 mips_quad_format formats instead of ieee_single_format,
574 ieee_double_format and ieee_quad_format formats, respectively.
576 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
578 PR tree-optimization/27639
579 PR tree-optimization/26719
580 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
581 call to scev_probably_wraps_p.
582 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
583 used_in_pointer_arithmetic_p, convert_step): Removed.
584 (nowrap_type_p): New function.
585 (scev_probably_wraps_p): Rewritten.
586 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
587 chrec_convert if chrec_convert_aggressive might have been used.
588 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
589 scev_direction): New functions.
590 (chrec_convert): Changed to a wrapper over chrec_convert_1.
591 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
592 instead of convert_step.
593 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
594 (convert_step): Declaration removed.
595 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
597 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
599 * df-core.c: Added to header comments.
600 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
601 df_ur_bb_info, df_urec_bb_info): Added comments.
602 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
603 urec, ri problems): Fixed header comments.
604 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
605 code from df_rd_transfer_function.
607 2006-05-23 Richard Sandiford <richard@codesourcery.com>
609 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
610 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
611 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
613 2006-05-23 Joseph Myers <joseph@codesourcery.com>
615 * expr.c (undefined_operand_subword_p): New.
616 (emit_move_multi_word): Do not generate move from undefined bits
617 of a paradoxical subreg.
619 2006-05-23 Richard Sandiford <richard@codesourcery.com>
621 PR rtl-optimization/27736
622 * combine.c (replaced_rhs_value): New variable.
623 (combine_instructions): Set it.
624 (distribute_notes): When distributing a note in replaced_rhs_insn,
625 check whether the value was used in replaced_rhs_value.
627 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
630 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
631 add_referenced_var instead of add_referenced_tmp_var.
632 * tree-complex.c (create_one_component_var): Use add_referenced_var.
633 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
635 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
636 tree_optimize_tail_calls_1): Use add_referenced_var.
637 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
638 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
639 Use add_referenced_var.
640 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
641 * gimplify.c (force_gimple_operand): Use add_referenced_var.
642 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
643 Use add_referenced_var.
644 * tree-dfa.c (struct walk_state): Remove.
645 (find_referenced_vars): Remove walk state and vars_found hash table.
646 (make_rename_temp): Use add_referenced_var.
647 (find_vars_r): Pass less parameters to add_referenced_var.
648 (referenced_var_p): New. Is var in referenced_var hash table.
649 (referenced_var_insert): Assert var isn't already in hash table.
650 (add_referenced_var): Don't need walk_state parameter. Add var if it
651 isn't already in the hash table.
652 (add_referenced_tmp_var): Remove.
653 (find_new_referenced_vars_1): Use add_referenced_var.
654 * tree-ssa-pre.c (create_expression_by_pieces,
655 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
656 Use add_referenced_var.
657 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
658 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
659 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
661 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
662 vect_create_data_ref_ptr, vect_create_destination_var,
663 vect_init_vector, vect_build_loop_niters,
664 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
665 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
666 Use add_referenced_var.
667 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
668 * tree-flow.h (add_referenced_tmp_var): Remove prototype
669 (add_referenced_var): Add prototype.
670 * tree-ssa-structalias.c (get_constraint_for,
671 intra_create_variable_infos): Use add_referenced_var.
673 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
675 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
676 big-endian paradoxical subregs.
677 * var-tracking.c (struct micro_operation_def): Document that,
678 for modify micro operations, insn is the subsequent instruction.
679 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
680 (var_reg_set, var_mem_set): ... new functions.
681 (add_stores): Record subsequent insn.
682 (compute_bb_dataflow): Use new functions for MO_USE.
683 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
684 notes after the insn, and modify notes before the insn known
685 to be the subsequent one.
686 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
688 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
691 * config/i386/i386.c (ix86_expand_builtin): Use
692 gen_sse3_monitor64 for TARGET_64BIT.
694 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
696 PR rtl-optimization/26375
697 PR rtl-optimization/26855
698 * df-problems (df_ru_bb_local_compute_process_def): Removed update
700 (df_ru_bb_local_compute): Reversed statements and removed bogus
701 comment explaining why they should be in wrong order.
702 (df_ru_dump, df_rd_dump): Enhanced debug info.
703 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
705 * ddg.c (add_deps_for_def): Converted use of reaching defs to
706 reaching uses and fixed space problem.
708 2006-05-23 Jan Hubicka <jh@suse.cz>
710 * cgraphunit.c (decide_is_function_needed): Also nested functions
711 and functions declared inline can be optimized out at -O0.
713 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
715 * doc/install.texi (Configuration): Remove reference to CrossGCC
716 FAQ which was hijacked.
719 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
722 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
723 ix86_compare_emitted is non-NULL.
725 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
728 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
731 2006-05-22 Richard Sandiford <richard@codesourcery.com>
733 PR rtl-optimization/25514
734 * combine.c (replaced_rhs_insn): New variable.
735 (combine_instructions): Set replaced_rhs_insn when trying to replace
736 a SET_SRC with a REG_EQUAL note.
737 (distribute_notes): Use replaced_rhs_insn when determining the live
738 range of a REG_DEAD register.
740 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
741 Anatoly Sokolov <aesok@post.ru>
743 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
744 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
745 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
746 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
747 atmega3290, atmega649, atmega6490, atmega406, atmega640,
748 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
749 at90usb647, at90usb1286 and at90usb1287 devices.
750 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
751 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
753 2006-05-22 Richard Sandiford <richard@codesourcery.com>
755 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
757 2006-05-22 Richard Guenther <rguenther@suse.de>
760 2006-01-31 Richard Guenther <rguenther@suse.de>
761 Paolo Bonzini <bonzini@gnu.org>
763 * doc/install.texi (--disable-libgcc-math): Document.
765 2006-05-22 Richard Guenther <rguenther@suse.de>
768 2006-01-31 Richard Guenther <rguenther@suse.de>
770 * doc/invoke.texi (-msselibm): Document.
771 * target.h (expand_library_builtin): New target hook.
772 * builtins.c (expand_builtin): Use expand_library_builtin.
773 (default_expand_library_builtin): New function.
774 * gcc.c (LINK_GCC_MATH_SPEC): Define.
775 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
776 (link_gcc_math_spec): Declare.
777 (static_specs): Add link_gcc_math_spec.
778 * expr.h (default_expand_library_builtin): Declare.
779 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
780 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
781 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
782 * config/i386/i386.opt (msselibm): New target option.
783 * config/i386/i386.c (ix86_builtin_function_variants): New array.
784 (ix86_init_sse_abi_builtins): New function.
785 (ix86_expand_library_builtin): Likewise.
786 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
787 (override_options): Handle error conditions wrt -msselibm.
788 (ix86_builtins): Add function codes for SSE2 ABI builtins.
789 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
790 * doc/extend.texi (__builtin_sse2_*): Document new target specific
793 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
796 * c-common.c (self_promoting_args_p): Skip erroneous args.
799 * c-decl.c (finish_struct): Skip erroneous fields.
801 2006-05-22 Nick Clifton <nickc@redhat.com>
803 * config/cris/cris.opt (march): Remove VarExists attribute.
804 (max-stackframe=): Likewise.
806 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
808 * doc/rtl.texi: Fix a typo.
809 * see.c: Fix comment typos.
811 * tree-ssa-structalias.h (alias_info): Remove num_references.
813 2006-05-21 Mike Stump <mrs@apple.com>
815 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
817 (darwin_pragma_options): Use BAD instead.
818 (darwin_pragma_unused): Likewise.
819 (darwin_pragma_ms_struct): Likewise.
821 2006-05-21 David Edelsohn <edelsohn@gnu.org>
823 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
825 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
827 PR rtl-optimization/27671
828 * simplify-rtx.c (simplify_relational_operation_1): Fix
829 simplifications of (eq/ne (xor x y) y) and
832 PR tree-optimization/26622.
833 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
836 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
838 * tree-cfg.c: Prune whitespace.
839 (debug_tree_cfg): Point to correct header containing the
842 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
845 * cgraphunit.c (verify_cgraph_node): Typo in error message.
847 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
850 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
851 or sorry count is non zero.
853 2006-05-20 Andreas Schwab <schwab@suse.de>
855 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
857 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
858 Kenneth Zadeck <zadeck@naturalbridge.com>
860 PR rtl-optimization/26855
862 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
864 (df_scan_alloc): Added code to properly handle multiword hard
865 registers and add all_blocks parameter.
866 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
867 code to properly handle multiword hard registers.
868 (df_rescan_blocks): Added code to remove deleted blocks from
870 (df_ref_create_structure, df_ref_record): Added code to properly
872 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
873 and set DF_REF_PARTIAL.
874 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
875 (df_uses_record): Added DF_REF_PARTIAL for subreg.
876 (df_scan_add_problem): Added flags parameter.
877 (df_ref_create_structure): Changed switching structure.
878 (df_bb_refs_record): Fixed case where duplicate artificial refs
879 were created. Changed location of flags.
880 (df_record_entry_block_defs): Added code to make stack pointer
881 live in entry block. Refined cases where frame pointer is needed.
882 Changed location of flags.
883 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
884 (df_set_state): Removed function.
885 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
886 df_insn_create_insn_record, df_insn_refs_delete,
887 df_ref_create_structure): Formatting changes.
888 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
889 df_delete_basic_block): New function.
890 (df_init): Changed location of flags.
891 (df_add_problem): Added flags parameter and the way flags are
893 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
894 debug_df_chain): Improved debugging output.
895 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
896 (df_refs_chain_dump): Removed df parameter.
897 (df_iterative_dataflow): Added consistency check.
898 (df_prune_to_subcfg): Made public.
899 (df_analyze_problem): Added blocks_to_init parameter and made
901 (df_ref_record, df_bb_refs_record, df_mark_reg,
902 df_record_exit_block_uses): Whitespace changes.
903 (df_dump): Whitespace changes.
904 * df.h: Some reordering to remove forward references.
905 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
906 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
907 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
908 (dataflow.flags): New field.
909 (df.flag): Deleted field.
910 (df_alloc_function): Added additional bitmap parameter.
911 (df_dependent_problem_function): New type.
912 (df_problem.changeable_flags): New field.
913 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
914 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
915 (df_mw_hardreg): New struct.
916 (DF_INSN_UID_MWS): New macro.
917 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
919 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
920 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
921 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
922 (df_set_state): Removed function.
923 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
924 * df-problems.c (df_chain_dump): Removed df parameter.
925 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
926 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
928 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
929 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
930 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
931 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
932 DF_REF_MUST_CLOBBER cases.
933 (df_ru_bb_local_compute_process_def,
934 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
935 df_lr_bb_local_compute, df_ur_bb_local_compute,
936 df_chain_create_bb): Made subreg aware.
937 (df_ru_bb_local_compute, df_rd_bb_local_compute,
938 df_lr_bb_local_compute, df_lr_bb_local_compute,
939 df_chain_create_bb): Cleanup to use proper macros.
940 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
941 code to fixup bitvectors.
942 (df_ri_alloc): Cleared lifetime.
943 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
944 df_create_unused_note): New function.
945 (df_ri_bb_compute, df_ri_compute): Added code to create/update
946 REG_DEAD and REG_UNUSED notes as well as register information.
947 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
948 df_chains_dump): Fixed crash if problem was never run.
949 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
950 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
951 df_ri_add_problem): Processes flags in uniform manner.
952 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
953 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
954 df_rd_dump, df_urec_free_bb_info): Formatting changes.
955 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
956 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
957 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
958 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
959 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
960 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
961 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
962 * see.c (see_initialize_data): Ditto.
963 * final.c (rest_of_clean_state) Added regstack_completed.
964 * rtl.h (regstack_completed): Ditto.
965 * reg-stack.c (regstack_completed): Ditto.
967 2006-05-19 Mike Stump <mrs@apple.com>
969 * c-tree.h (default_conversion): Remove.
970 * c-common.h (default_conversion): Add.
972 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
974 * tree-vrp.c (valid_value_p): New function.
975 (adjust_range_with_scev): Fail if the value of bound is not
978 2006-05-19 Richard Sandiford <richard@codesourcery.com>
980 * config/mips/linux-unwind.h: Include <asm/unistd.h>
981 (mips_fallback_frame_state): Use syscall numbers to determine
982 the appropriate li instruction for the current ABI. Only use
983 __NR_sigreturn for o32.
985 2006-05-19 Nicolas Setton <setton@adacore.com>
987 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
988 * langhooks.c (lhd_dwarf_name): New function.
989 * langhooks-def.h (lhd_dwarf_name): Declare.
990 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
991 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
992 * ada/misc.c (gnat_dwarf_name): New function.
993 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
995 2006-05-19 Richard Sandiford <richard@codesourcery.com>
997 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
999 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1000 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1001 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1002 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1003 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1004 determine the size of Wtype, etc.
1005 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1006 (swfloatfuncs): New variable.
1007 (dwfloatfuncs): Likewise.
1008 (lib2funcs): Remove floating-point conversion functions from
1009 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1010 the set of conversion routines needed. Allow entries to specify
1011 an object name, filename and word size. Update users accordingly.
1012 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1013 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1017 2006-02-08 Roger Sayle <roger@eyesopen.com>
1020 * config/fixtfdi.c: New libgcc source file.
1021 * config/fixunstfdi.c: New source file.
1022 * config/floatditf.c: New source file.
1023 * config/floatunditf.c: New souce file.
1024 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1025 files above instead of config/mips/_tilib.c.
1026 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1028 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1030 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1031 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1033 2006-05-18 Mike Stump <mrs@apple.com>
1035 Fix up vla, vm and [*] sematics.
1041 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1042 (c_vla_unspec_p): Add.
1043 (c_vla_type_p): Add.
1044 * c-decl.c (struct c_scope): Add had_vla_unspec.
1045 (build_array_declarator): Add support for [*].
1046 (grokdeclarator): Likewise.
1047 (grokparms): Likewise.
1048 (get_parm_info): Likewise.
1049 * c-objc-common.c (c_vla_unspec_p): Likewise.
1050 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1051 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1052 typeof when argument is a variably modified type not inside sizeof or alignof.
1053 (c_parser_direct_declarator_inner): Propagate errors.
1054 (c_parser_sizeof_expression): Add support for [*].
1055 (c_parser_parms_declarator): Initialize had_vla_unspec.
1056 (c_parser_parms_list_declarator): Likewise.
1057 * c-typeck.c (c_vla_type_p): Add.
1058 (composite_type): Add support for vla compositing.
1059 (comptypes_internal): Add support for vla compatibility.
1060 (c_expr_sizeof_expr): Evaluate vla arguments.
1061 * tree.c (variably_modified_type_p): Update comment for [*].
1063 2006-05-18 Michael Matz <matz@suse.de>
1066 * config.host: Make assignments to host_xmake_file cumulative.
1067 * config.host (*-darwin*): Test $host, not $target.
1069 2006-05-12 Stuart Hastings <stuart@apple.com>
1071 * config/i386/i386.opt (-mstackrealign): New flag.
1072 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1073 (ix86_handle_cconv_attribute): Emit error when
1074 force_align_arg_pointer attribute collides with too many regparms.
1075 (ix86_function_regparm): Limit regparms when used with
1076 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1077 Support stack-realigning prologue in non-main functions. Emit
1078 warning for nested functions under -mstackrealign, emit error for
1079 nested functions with force_align_arg_pointer attribute.
1080 * doc/extend.texi (force_align_arg_pointer): Document it.
1081 * doc/invoke.texi (-mstackrealign): Document it.
1083 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1085 PR rtl-optimization/27477
1086 * combine.c (try_combine): Don't split a parallel consisting
1087 of two sets into two individual sets if both sets reference
1090 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1092 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1093 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1095 * doc/options.texi (VarExists): Updated.
1097 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1099 * unwind-dw2.c: Add declarations for uw_update_context and
1101 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1102 detected, advance frame state and context once to skip over stub.
1104 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1108 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1109 Call rewrite_into_loop_closed_ssa only when something changed.
1110 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1111 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1112 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1113 Test for perfect_nest_p here. Fix formating.
1114 (replace_uses_equiv_to_x_with_y): Fix formating.
1115 (stmt_uses_op): Removed.
1116 (can_convert_to_perfect_nest): Removed loopivs parameter.
1117 Complete the test by checking the scalar dependences.
1118 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1121 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1124 From Dan Kegel <dank@kegel.com>:
1125 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1127 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1129 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1130 if the element type is variably modified without recursing.
1132 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1135 * tree-loop-linear.c (try_interchange_loops): Test for
1136 no data dependences.
1138 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1140 PR tree-optimization/27548
1141 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1142 range of ssa names that appear on abnormal edges.
1143 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1144 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1146 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1149 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1151 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1154 * tree.h (OMP_PARALLEL_COMBINED): Define.
1155 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1156 (new_omp_context): Add is_combined_parallel argument.
1157 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1158 new_omp_context caller.
1159 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1160 Adjust gimplify_scan_omp_clauses callers.
1161 (omp_is_private): Issue errors if iteration variable is firstprivate
1162 or reduction in the current context.
1163 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1164 on combined parallel workshare constructs.
1166 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1168 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1169 (gcc-options.o): New rule.
1171 * optc-gen.awk: Protect variables for gcc-options.o with
1172 #ifdef GCC_DRIVER/#endif.
1174 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1176 Fix PR tree-optimization/27373
1177 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1178 (forward_propagate_addr_expr): Update call.
1180 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1182 * doc/options.texi: Move the Negative option.
1184 2006-05-16 Richard Guenther <rguenther@suse.de>
1186 PR tree-optimization/22303
1187 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1189 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1190 ccp_fold did not simplify the statement.
1192 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1195 * Makefile.in (GCC_OBJS): New.
1196 (OBJS-common): Add opts-common.o.
1197 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1198 (cpp$(exeext)): Likewise.
1199 (gcc.o): Also depend on opts.h.
1200 (opts-common.o): New.
1202 * common.opt (gcoff): Add Negative(gdwarf-2).
1203 (gdwarf-2): Add Negative(gstabs).
1204 (gstabs): Add Negative(gstabs+).
1205 (gstabs+): Add Negative(gvms).
1206 (gvms): Add Negative(gxcoff).
1207 (gxcoff): Add Negative(gxcoff+).
1208 (gxcoff+): Add Negative(gcoff).
1209 * config/i386/i386.opt (m32): Add Negative(m64).
1210 (m64): Add Negative(m32).
1212 * doc/options.texi: Document the Negative option.
1214 * gcc.c: Include "opts.h".
1215 (main): Call prune_options after expandargv.
1217 * optc-gen.awk: Generate common declarations for all flag
1218 variables in options.c. Output the neg_index field.
1220 * opts.c (find_opt): Moved to ...
1221 * opts-common.c: Here. New file.
1223 * opts.h (cl_option): Add a neg_index field.
1225 (prune_options): Likewise.
1227 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1230 * omp-low.c (expand_omp_parallel): Don't assert
1231 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1232 instead search for it.
1235 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1238 2006-05-16 Andreas Schwab <schwab@suse.de>
1240 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1243 2006-05-15 Roger Sayle <roger@eyesopen.com>
1246 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1247 integer constants other than zero are only legitimate on TARGET_64BIT.
1248 <CONST_VECTOR> Only zero vectors are legitimate.
1249 (ix86_cannot_force_const_mem): Integral and vector constants can
1250 always be put in the constant pool.
1252 2006-05-16 DJ Delorie <dj@redhat.com>
1254 * crtstuff.c (__dso_handle): Set section from
1255 TARGET_LBIGCC_SDATA_SECTION if defined.
1256 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1257 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1259 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1262 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1265 2006-05-16 Ben Elliston <bje@au.ibm.com>
1267 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1269 2006-05-15 Per Bothner <per@bothner.com>
1271 * tree.c: (last_annotated_node): Use source_locus typedef.
1272 This permits bootstrapping with --enable-mapped-location.
1274 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1276 PR tree-optimization/26830
1277 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1278 (info_for_ssa_name, current_info_for_ssa_name_age,
1279 blocks_to_update): New variables.
1280 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1281 (clear_ssa_name_info, initialize_flags_in_bb,
1282 mark_block_for_update): New functions.
1283 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1284 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1285 prepare_def_site_for): Use mark_block_for_update.
1286 (mark_def_interesting): Assert that the processed block is marked in
1287 blocks_to_update. Do not take blocks argument.
1288 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1290 (rewrite_update_init_block, rewrite_update_stmt): Only process
1291 blocks with statements to rewrite.
1292 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1293 (update_ssa): Initialize and free blocks_to_update. Do not
1294 clear flags on statements. Do not use blocks bitmap.
1295 * tree.h (SSA_NAME_AUX): Removed.
1296 (struct tree_ssa_name): Removed aux field.
1297 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1299 2006-05-15 Richard Guenther <rguenther@suse.de>
1301 PR tree-optimization/27603
1302 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1303 Do computations in original type.
1305 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1307 * see.c: Code style changes such as redundant paranthesis,
1308 redundant intialization of local variables etc.
1309 (see_main): Declared now as static.
1310 * doc/invoke.texi: Update that -fsee is not enabled by
1313 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1315 * omp-low.c (check_omp_nesting_restrictions): New function.
1316 (scan_omp_1): Call it.
1319 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1320 construct, return *VAR.
1322 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1324 PR rtl-optimization/27406
1325 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1328 2006-05-14 Roger Sayle <roger@eyesopen.com>
1330 PR rtl-optimization/27538
1331 * combine.c (expand_compound_operation): Call gen_lowpart
1332 before calling simplify_shift_const.
1334 2006-05-14 Roger Sayle <roger@eyesopen.com>
1336 PR rtl-optimization/22563
1337 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1338 a fixed width bitfield, always force the intermediates into psuedos.
1340 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1343 * mkconfig.sh: Use operator = instead of == for test.
1345 2006-05-13 Nick Clifton <nickc@redhat.com>
1347 * dwarf2out.c (dbx_reg_number): Check return value from
1348 LEAF_REG_REMAP and only use it if it is valid.
1349 (multiple_reg_loc_descriptor): Likewise.
1351 2006-05-13 Richard Guenther <rguenther@suse.de>
1353 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1356 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1358 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1359 information attached to non-INSNs such as NOTEs.
1360 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1362 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1364 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1366 * config/s390/s390.md: Adjust comment describing On constraint.
1368 2006-05-11 Jan Hubicka <jh@suse.cz>
1370 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1371 to be output at -O0.
1373 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1376 * fold-const.c (size_binop): Move sanity check for arguments to
1377 the beginning of the function.
1380 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1383 2006-05-11 Richard Guenther <rguenther@suse.de>
1386 * fold-const.c (fold_unary): Handle intermediate conversion
1387 to a pointer type like intermediate conversion to an integer
1388 type in folding of (T1)(T2)var to var.
1389 Match the code to the comment in the final conversion for
1390 (T1)(T2)var to (T1)var regarding to type precision. Rather
1391 than disallow T1 being of pointer type, assert that both T1
1392 and var are of pointer type or not. Make sure not to fall
1393 over the frontends lazyness wrt array to pointer decay though.
1395 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1397 * arm.c (arm_struct_value_rtx): Delete.
1398 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1399 (arm_init_cumulative_args): Always initialize nregs to zero.
1401 2006-05-10 Richard Guenther <rguenther@suse.de>
1403 PR tree-optimization/27532
1404 * tree-object-size.c (plus_expr_object_size): Fix typo.
1406 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1409 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1410 ashrdi_const, ashrdi3): Use a scratch register.
1412 2006-05-10 Richard Guenther <rguenther@suse.de>
1414 PR tree-optimization/27302
1415 * fold-const.c (operand_equal_p): For two comparisons,
1416 try comparison of one comparison code swapped if that yields
1419 2006-05-10 Ben Elliston <bje@au.ibm.com>
1421 * tree-pretty-print.c (pretty_print_string): No need to handle
1422 '\0' as a special character.
1424 * tree.h: Include "hashtab.h".
1425 (iterative_hash_expr): Use hashval_t in its prototype.
1426 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1428 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1431 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1432 (hppa*64*-*-hpux11*): Ditto.
1433 (hppa[12]*-*-hpux11*): Ditto.
1435 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1438 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1440 2006-05-09 Michael Matz <matz@suse.de>
1442 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1443 host_extra_gcc_objs and host_xmake_file.
1444 (<*-*-linux*>): Don't overwrite host_xmake_file.
1445 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1446 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1447 (host_detect_local_cpu): Declare.
1448 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1449 * config/i386/i386.c (override_options): Handle -mtune=native
1451 * config/i386/x-i386: New file.
1452 * config/i386/driver-i386.c: New file.
1453 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1456 2006-05-09 Dirk Mueller <dmueller@suse.de>
1457 Richard Guenther <rguenther@suse.de>
1460 * fold-const.c (fold_read_from_constant_string): Relax check
1461 for matching types to matching modes.
1463 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1465 PR rtl-optimization/27335
1466 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1469 2006-05-08 Chao-ying Fu <fu@mips.com>
1470 Richard Sandiford <richard@codesourcery.com>
1472 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1473 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1474 * config/mips/mips.md (UNSPEC_SCC): New constant.
1475 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1476 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1477 (mips_emit_compare): Use it.
1478 (mips_expand_vcondv2sf): New function.
1480 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1482 Fix PR tree-optimization/27093
1483 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1484 renaming when they become not-used_alone.
1486 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1488 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1489 relocation and relocation stubs.
1491 2006-05-08 Eric Christopher <echristo@apple.com>
1493 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1496 2006-05-08 Jan Hubicka <jh@suse.cz>
1499 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1500 unused static functions are needed.
1502 2006-05-08 Roger Sayle <roger@eyesopen.com>
1505 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1506 of a reg_equiv_constant if the result is a legitimate constant.
1508 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1511 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1512 standard 80387 constants, raise the cost to prevent
1513 compress_float_constant() to generate load from memory.
1515 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1517 * config/arm/constraints.md (c): Fix a typo.
1519 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1522 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1525 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1527 (_mm_mwait): Likewise.
1529 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1531 (sse3_monitor): Make it 32bit only.
1532 (sse3_monitor64): New. 64bit monitor.
1534 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1537 * config/i386/i386.c (classify_argument): Skip fields with invalid
1540 2006-05-07 Richard Guenther <rguenther@suse.de>
1542 PR tree-optimization/27409
1543 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1544 Do not try to find zero-sized subvars.
1546 2006-05-07 Richard Guenther <rguenther@suse.de>
1548 PR tree-optimization/27136
1549 * tree-ssa-loop-niter.c (get_val_for): Correct function
1550 comment, assert requirements.
1551 (loop_niter_by_eval): Stop processing if the iterated
1552 value did not simplify.
1554 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1556 * opts.c (flag_see): remove its setting at -O3.
1558 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1560 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1561 * arm/constraints.md: New file.
1562 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1563 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1564 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1565 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1566 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1567 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1568 * arm.md: Include constraints.md.
1569 (thumb_movsi_insn): Use satisfies_constraint_J.
1570 (movhi, movqi): Use satisfies_constraint_I.
1572 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1574 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1575 for atmeg a645 device.
1577 2006-05-06 Richard Guenther <rguenther@suse.de>
1579 PR tree-optimization/27151
1580 * tree-vect-transform.c (vectorizable_condition): Punt on
1581 values that have a different type than the condition.
1583 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1586 * c-parser.c (c_parser_cast_expression): Only insert casts into
1587 hash table if pointer.
1588 * function.c (used_types_insert_helper): Rename from
1590 (used_types_insert): Call used_types_insert_helper.
1591 * function.h (used_types_insert): Accept only one argument.
1593 2006-05-05 David Edelsohn <edesohn@gnu.org>
1595 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1596 scratch with output modifier.
1598 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1601 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1602 with output modifier.
1604 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1607 * config/mips/mips.c (mips_symbolic_address_p): Return true
1608 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1609 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1611 2006-05-04 Richard Guenther <rguenther@suse.de>
1613 PR tree-optimization/14287
1614 PR tree-optimization/14844
1615 PR tree-optimization/19792
1616 PR tree-optimization/21608
1617 PR tree-optimization/27090
1618 * tree-ssa-pre.c (try_combine_conversion): New function.
1619 (compute_avail): After constructing the value-handle
1620 expression, use try_combine_conversion to combine NOP_EXPRs
1621 with previous value-handle expressions and use the result if it
1624 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1626 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1628 2006-05-04 Jan Hubicka <jh@suse.cz>
1631 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1633 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1635 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1636 that this only matches CONST_INTs. All users changed to VOIDmode
1639 * config/bfin/bfin.c: Include "optabs.h".
1640 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1642 (enum bfin_builtins): Add a number of fractional and vector builtins.
1643 (bfin_init_builtins): Likewise.
1644 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1645 (safe_vector_operand, bfin_expand_binop_builtin,
1646 bfin_expand_unop_builtin): New functions.
1647 (bfin_expand_builtin): Handle the new builtins.
1648 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1651 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1654 * Makefile.in (OBJS-common): Add see.o.
1655 (see.o): Add dependencies.
1656 * common.opt (fsee): New flag for the see optimization was added.
1657 * opts.c (flag_see): Initialized.
1658 * passes.c (init_optimization_passes, pass_see): New pass.
1659 * rtl.h (see_main): Declaration as extern.
1660 * timevar.def (TV_SEE): New.
1661 * tree-pass.h (pass_see): Declaration as extern.
1662 * invoke.texi (-fsee): Document.
1663 * recog.c (validate_simplify_insn): New function.
1664 * recog.h (validate_simplify_insn): Declaration as extern.
1665 * df-problems.c (df_chain_dump): Check for NULL.
1667 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1668 Daniel Berlin <dberlin@dberlin.org>
1670 * cfgrtl.c (insert_insn_bb_end_new): New function.
1671 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1673 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1675 * df.h (struct web_entry): Moved from web.c.
1676 (union_defs): Declaration as extern.
1677 (unionfind_root): Likewise.
1678 (unionfind_union): Likewise.
1679 * web.c (struct web_entry): Moved to df.h.
1680 (unionfind_root): Remove static declaration.
1681 (unionfind_union): Likewise.
1682 (union_defs): Likewise and generalize to use callback function.
1683 (web_main): Update arguments for union_defs function call.
1685 2006-05-04 Richard Guenther <rguenther@suse.de>
1687 PR tree-optimization/26447
1688 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1689 produce SSA_NAME copies before the store stmt to avoid
1690 breaking exception handling.
1692 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1695 * gimplify.c (omp_is_private): If var is shared in some outer context,
1696 return false instead of true. Stop searching on parallel context
1699 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1702 * coverage.c: Use get_gcov_unsigned_t() instead of
1703 unsigned_type_node all over.
1705 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1707 PR tree-optimization/27381
1708 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1709 maintain the same immediate_use links.
1710 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1711 node rather than segfaulting.
1713 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1716 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1717 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1718 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1720 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1722 Fix PR tree-optimization/26626
1723 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1725 * tree-ssa-operands.c (access_can_touch_variable): Allow
1726 typecasting through union pointers.
1728 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1731 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1732 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1733 to find if var will be a global variable even in the nested context.
1734 (omp_copy_decl): Only check for global variable at the end, it might
1735 be overridden in outer contexts.
1736 (scan_sharing_clauses): For global variables don't create a field.
1737 (lower_rec_input_clauses): Do nothing for global shared variables.
1738 Emit a barrier at the end of ILIST if there were any decls in both
1739 firstprivate and lastprivate clauses.
1740 (lower_send_clauses): Do nothing for global variables except for
1743 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1745 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1746 of the correct signedness is returned.
1748 2006-05-02 Jeff Law <law@redhat.com>
1750 PR tree-optimization/27364
1751 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1752 multiply expressions.
1754 2006-05-02 Tom Tromey <tromey@redhat.com>
1756 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1758 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1761 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1762 -mthumb -fPIC are used.
1764 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1765 Joshua Kinard <kumba@gentoo.org>
1768 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1769 with 64-bit pointers.
1771 2006-05-02 Paul Brook <paul@codesourcery.com>
1773 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1775 (create_fix_barrier): Check that a suitable barrier location is
1777 (arm_reorg): Include ftmp->address in allowable range of addresses.
1779 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1782 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1785 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1788 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1789 around RESULT_DECL for result passed by reference.
1790 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1791 * omp-low.c (use_pointer_for_field): Don't look at
1792 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1793 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1794 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1795 time or var for passing by reference for
1796 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1797 TREE_ADDRESSABLE variables when passing by reference.
1799 * omp-low.c (dump_omp_region): Fix output formatting.
1802 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1803 (expand_omp_parallel): Likewise.
1804 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1807 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1808 on statement list containing also constructors and destructors.
1809 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1812 * except.c (duplicate_eh_regions): Fix clearing of
1813 cfun->eh->region_array entries.
1815 2006-05-01 DJ Delorie <dj@redhat.com>
1817 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1819 (gcc_cv_objdump): Likewise.
1820 * configure: Regenerated.
1822 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1825 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1826 templates for case 3 and 4.
1828 2006-05-01 DJ Delorie <dj@redhat.com>
1830 * vec.c: Include bconfig.h when appropriate.
1831 * Makefile.in (build/vec.o): Adjust dependencies.
1832 * mkconfig.sh: Make sure config.h isn't used for build machine
1835 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1837 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1839 (mark_phi_for_rewrite): New function.
1840 (insert_phi_nodes_for, mark_use_interesting): Call
1841 mark_phi_for_rewrite.
1842 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1843 (update_ssa): Initialize and free phis_to_rewrite.
1845 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1847 PR rtl-optimization/27291
1848 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1849 folded to a constant.
1851 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1853 PR tree-optimization/27283
1854 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1855 not whole # of iteration descriptions.
1856 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1857 uses abnormal ssa name.
1858 (niter_for_single_dom_exit): Ditto.
1859 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1860 return just the number of iterations.
1862 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1864 PR tree-optimization/27144
1865 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1866 (record_estimate): Only record constant upper bound.
1867 (infer_loop_bounds_from_undefined): Call
1868 compute_estimated_nb_iterations just once.
1869 (proved_non_wrapping_p): Renamed to ...
1870 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1871 (convert_step_widening, scev_probably_wraps_p): Call
1872 n_of_executions_at_most instead of proved_non_wrapping_p.
1873 (substitute_in_loop_info): Do not replace values in bounds.
1874 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1877 2006-05-01 Richard Henderson <rth@redhat.com>
1880 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1881 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1884 2006-05-01 Roger Sayle <roger@eyesopen.com>
1886 * c-typeck.c (parser_build_binary_op): Don't call the function
1887 unsigned_conversion_warning to spot operand/result type overflow.
1888 (build_binary_op): Instead, call convert_and_check instead of
1889 convert to report the problem when the operands are promoted.
1890 * c-common.c (unsigned_conversion_warning): Make static.
1891 * c-common.h (unsigned_conversion_warning): Delete prototype.
1893 2006-05-01 Richard Guenther <rguenther@suse.de>
1895 PR tree-optimization/26726
1896 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1898 (find_interesting_uses_address): ... we work around here
1899 by folding INDIRECT_REFs in the substituted base.
1901 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1903 * omp-low.c (dump_omp_region): Add newlines.
1905 2006-04-30 Roger Sayle <roger@eyesopen.com>
1907 * common.opt (Woverflow): New command line option.
1908 * c-common.c (constant_expression_warning): Check warn_overflow.
1909 (overflow_waring): Pass OPT_Woverflow to warning.
1910 (unsigned_conversion_warning): Likewise.
1911 (convert_and_check): Likewise.
1912 * doc/invoke.texi: Document new command line option.
1914 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1916 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1917 TARGET_NO_FP_IN_TOC for section anchors.
1918 (optimization_options): Enable section anchors for all
1919 non-"Objective" languages.
1921 2006-04-28 Eric Christopher <echristo@apple.com>
1923 * config/darwin-c.c (darwin_ms_struct): Move this
1924 (darwin_set_default_type_attributes): and this...
1925 * config/darwin.c: ... here.
1926 * config/darwin.h (darwin_ms_struct): Declare.
1928 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1930 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1932 2006-04-28 Roger Sayle <roger@eyesopen.com>
1935 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1936 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1937 an unsigned HOST_WIDE_INT.
1938 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1940 (really_start_incremental_init): No need to call convert because
1941 bitsize_zero_node is already of type bitsizetype.
1942 (push_init_level): Extract the value of constructor_index as an
1943 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1944 (process_init_element): Likewise.
1946 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1948 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1949 value before passing to make_relative_prefix.
1951 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1954 * builtins.c (expand_builtin_memset): Expand val in original mode.
1956 2006-04-27 Eric Christopher <echristo@apple.com>
1958 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1959 with #ifndef/#endif.
1960 * config/darwin-c.c (darwin_ms_struct): New.
1961 (darwin_pragma_ms_struct): Ditto.
1962 (darwin_set_default_type_attributes): Ditto.
1963 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1964 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1965 Register ms_struct pragma.
1966 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1967 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1968 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1969 darwin_set_default_type_attributes if TARGET_MACHO.
1971 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1973 PR tree-optimization/26854
1974 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1975 * doc/tree-ssa.texi: Update immuse iterator documentation.
1976 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1977 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1978 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1979 first_safe_imm_use, next_safe_imm_use): Remove.
1980 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1981 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1982 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1983 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1984 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1985 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1986 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1987 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1988 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1989 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1990 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1991 (perfect_nestify): Use new iterator.
1992 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1994 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1995 (next_imm_name): New field in struct immediate_use_iterator_d.
1996 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1997 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1998 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1999 * tree-cfg.c (replace_uses_by): Use new iterator.
2000 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2001 * tree-ssa-operands.c (correct_use_link): Remove.
2002 (finalize_ssa_use_ops): No longer call correct_use_link.
2004 2006-04-27 Stuart Hastings <stuart@apple.com>
2006 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2007 * config/t-darwin (crt3.o): Use it.
2008 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2009 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2010 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2011 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2012 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2015 2006-04-27 Roger Sayle <roger@eyesopen.com>
2017 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2018 size, force the intermediate into a new pseudo rather instead of
2019 performing both a bitwise AND and a bitwise IOR in memory.
2021 2006-04-27 Richard Guenther <rguenther@suse.de>
2023 PR rtl-optimization/26685
2024 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2025 this one "max-flow-memory-locations".
2027 2006-04-27 Richard Guenther <rguenther@suse.de>
2029 PR tree-optimization/25148
2030 * tree-vrp.c (compare_values): Remove code dealing with
2031 comparisons against type min/max value. Honour overflow
2032 and negative constants in code dealing with comparisons
2033 of plus and minus expressions.
2034 (value_inside_range): Use fold_binary with LE_EXPR and
2035 GE_EXPR rather than compare_values.
2037 2006-04-27 Dirk Mueller <dmueller@suse.de>
2039 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2042 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2044 * basic-block.h (safe_insert_insn_on_edge): Removed.
2045 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2047 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2048 Paolo Bonzini <bonzini@gnu.org>
2051 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2052 (simplify_and_const_int): Same.
2054 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2056 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2058 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2061 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2062 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2063 cgraph_global_info_ready.
2066 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2069 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2070 either decl or init is error_mark_node.
2073 * tree-flow.h (struct omp_region): Add sched_kind.
2074 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2075 instead of extracting omp for data.
2076 (expand_omp_for): Save extracted sched_kind.
2078 2006-04-25 Roger Sayle <roger@eyesopen.com>
2080 * expmed.c (store_bit_field): Also check whether the bitsize is
2081 valid for the machine's "insv" instruction before moving the
2082 target into a pseudo for use with the insv.
2083 * config/i386/predicates.md (const8_operand): New predicate.
2084 * config/i386/i386.md (extv, extzv, insv): Use the new
2085 const8_operand predicate where appropriate.
2087 2006-04-25 DJ Delorie <dj@redhat.com>
2089 * doc/install.texi (Specific): Clarify that this is not a list of
2090 supported hosts or targets.
2092 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2094 PR rtl-optimization/26725
2095 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2096 block's BB_DIRTY flag.
2098 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2100 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2103 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2104 to print an integer.
2106 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2108 * varasm.c (align_variable): New function.
2109 (get_block_for_decl): Apply align_variable to DECL before
2110 calculating section information.
2111 (assemble_variable): Split out alignment computation.
2113 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2115 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2118 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2120 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2121 MODE_PARTIAL_INT mode.
2122 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2123 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2125 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2126 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2128 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2130 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2132 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2133 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2134 MACFLAG_IH): Likewise.
2135 (movstricthi_1): Renamed from "*movstricthi".
2136 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2137 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2138 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2139 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2140 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2141 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2142 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2143 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2144 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2145 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2146 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2147 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2148 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2149 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2150 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2152 * doc/rtl.texi (ss_ashift): Improve wording.
2154 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2156 * dwarf2out.c (verify_marks_clear): New.
2157 (prune_unused_types): Call verify_marks_clear initially, not
2160 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2162 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2163 * doc/rtl.texi: Document them.
2164 * simplify-rtx.c (simplify_unary_operation,
2165 simplify_binary_operation_1): Don't abort when we see them.
2167 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2170 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2171 * configure.ac: Completely disregard languages that are not
2173 * configure: Regenerated.
2175 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2176 Richard Guenther <rguenther@suse.de>
2178 PR tree-optimization/27236
2179 * tree-inline.c (copy_body_r): Make sure to copy
2180 TREE_THIS_VOLATILE flag.
2182 2006-04-24 Richard Guenther <rguenther@suse.de>
2185 * tree-complex.c (update_parameter_components): Don't handle
2186 unused parameters which have no default def.
2188 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2189 Richard Guenther <rguenther@suse.de>
2191 PR tree-optimization/27218
2192 * tree-inline.c (expand_call_inline): Strip useless type
2193 conversions for the return slot address.
2195 2006-04-24 Richard Guenther <rguenther@suse.de>
2197 * cfgloop.h (struct loops): Remove unused field array. Reorder
2199 (LOOP_PREFETCH): Remove.
2201 2006-04-24 Richard Guenther <rguenther@suse.de>
2203 PR tree-optimization/22525
2204 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2205 variable, adjust types of generated expressions.
2207 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2209 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2210 (tree-vect-patterns.o): Likewise.
2212 (cselib.o): Likewise.
2213 (loop-doloop.o): Likewise.
2214 (regclass.o): Likewise.
2215 (reload1.o): Likewise.
2216 (explow.o): Replace target.h with $(TARGET_H).
2217 (ipa-prop.o): Likewise.
2218 (ipa-cp.o): Likewise.
2219 (ipa-inline.o): Likewise.
2220 (reorg.o): Likewise.
2221 (reg-stack.o): Likewise.
2223 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2225 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2227 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2229 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2231 * configure.ac: Completely disregard languages that are not
2233 * configure: Regenerated.
2236 * c-common.h (c_build_bitfield_integer_type): Declare.
2237 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2238 * c-common.c (c_build_bitfield_integer_type): ... here.
2240 2006-04-23 Roger Sayle <roger@eyesopen.com>
2243 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2244 a SImode SUBREG of a floating point register after no_new_pseudos.
2246 2006-04-23 Roger Sayle <roger@eyesopen.com>
2248 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2249 identify potentially eliminable registers to additionally catch
2250 VIRTUAL_INCOMING_ARGS_REGNUM.
2251 (addsi3): Update the conditions on when to use addsi_small_int.
2253 2006-04-23 Roger Sayle <roger@eyesopen.com>
2256 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2257 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2258 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2260 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2262 * fold-const.c (range_predecessor): Use operand_equal_p
2263 as the predicate for equality.
2264 (range_successor): Likewise.
2266 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2269 * config/soft-fp/op-common.h: Fix a typo.
2271 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2274 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2275 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2277 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2279 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2281 * doc/tm.texi: Fix a typo.
2283 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2285 * dwarf2out.c (struct die_struct): Document that die_sib makes
2286 a circular linked list.
2287 (FOR_EACH_CHILD): New.
2288 (reverse_die_lists): Delete.
2289 (reverse_all_dies): Delete.
2290 (add_dwarf_attr): Correct documentation.
2291 (remove_child_with_prev): New.
2292 (remove_child_TAG): Update for change to die_struct, use
2293 remove_child_with_prev.
2294 (add_child_die): Update for change to die_struct.
2295 (splice_child_die): Use remove_child_with_prev and add_child_die.
2296 (print_die): Use FOR_EACH_CHILD.
2297 (die_checksum): Likewise.
2298 (assign_symbol_names): Likewise.
2299 (output_location_lists): Likewise.
2300 (build_abbrev_table): Likewise.
2301 (calc_die_sizes): Likewise.
2302 (mark_dies): Likewise.
2303 (unmark_dies): Likewise.
2304 (unmark_all_dies): Likewise.
2305 (output_die): Likewise.
2306 (prune_unused_types_mark): Likewise.
2307 (prune_unused_types_walk): Likewise.
2308 (same_die_p): Update for change to die_struct.
2309 (break_out_includes): Likewise.
2310 (prune_unused_types_prune): Likewise.
2311 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2312 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2314 (dwarf2out_finish): Don't call reverse_all_dies.
2316 2006-04-21 Eric Christopher <echristo@apple.com>
2318 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2319 in comments and function names.
2321 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2324 * c-typeck.c (digest_init): Robustify.
2326 * c-typeck.c (pop_init_level): Simplify.
2328 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2330 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2332 2006-04-21 Paul Brook <paul@codesourcery.com>
2334 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2335 hardware floating point.
2337 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2339 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2342 2006-04-21 Nick Clifton <nickc@redhat.com>
2344 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2347 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2350 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2351 C++ lang type in traceback table for Objective-C++.
2353 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2355 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2357 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2359 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2362 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2363 were errors. Remove check for erroneous objects.
2365 2006-04-20 Jeff Law <law@redhat.com>
2367 PR tree-optimization/26854
2368 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2369 checking for zero or one use.
2370 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2371 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2372 * tree-ssa-reassoc.c (negate_value): Similarly.
2373 (reassociate_bb): Similarly.
2375 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2377 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2378 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2379 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2381 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2383 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2384 fp regs if the last fp arg doesn't fit in regs.
2386 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2389 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2390 that the last insn has the REG_INC note.
2392 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2393 Nathan Sidwell <nathan@codesourcery.com>
2396 * stor-layout.c (update_alignment_for_field): Do not align
2398 (place_union_field): Place union field at the start of the union.
2399 (place_field): Move ERROR_MARK check later, and use the current
2400 allocation position to maintain monotonicity.
2402 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2404 * dominance.c: Include timevar.h.
2405 (calculate_dominance_info): Use TV_DOMINANCE.
2406 * timevar.def (TV_DOMINANCE): New timevar.
2407 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2409 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2411 PR rtl-optimization/14261
2412 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2413 move would be an INSV insn.
2414 (noce_process_if_block): Don't optimize if the destination is a
2415 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2417 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2419 * config/s390/s390.md: Add comments with the instructions emitted
2420 by an insn pattern if macros are used.
2422 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2424 PR rtl-optimization/26026
2425 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2426 is a known power of two shifted left a variable amount.
2428 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2430 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2431 to hash table twice when the debug_str section has SECTION_MERGE.
2433 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2435 * config/soft-fp: New directory. From glibc.
2436 * config/soft-fp/t-softfp: New.
2437 * config/soft-fp/README: New.
2438 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2439 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2440 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2441 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2442 * config.gcc: Use rs6000/t-fprules-fpbit or
2443 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2445 * config/rs6000/sfp-machine.h: New. Based on glibc.
2446 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2448 * config/rs6000/t-fprules: Remove fp-bit rules.
2449 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2450 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2451 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2452 (softfp_wrap_start, softfp_wrap_end): New.
2454 2006-04-18 DJ Delorie <dj@redhat.com>
2456 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2458 2006-04-18 Devang Patel <dpatel@apple.com>
2460 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2462 2006-04-18 Nick Clifton <nickc@redhat.com>
2464 * config/sh/t-symbian: Add rule to build sh-c.o
2465 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2466 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2467 (sh_symbian_encode_section_info): Likewise.
2469 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2471 * builtins.c (expand_builtin_strcmp): Cover label definition of
2472 do_libcall with HAVE_cmpstrnsi.
2474 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2476 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2478 * function.h (temp_slot_p): New.
2479 (function): Change the type of x_used_temp_slots to
2480 VEC(temp_slot_p,gc) *.
2482 2006-04-18 Nick Clifton <nickc@redhat.com>
2484 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2485 flag_strength_reduce.
2487 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2489 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2493 Partial revert of revision 112637
2494 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2495 Dale Johannesen <dalej@apple.com>
2498 * regclass.c (struct reg_pref): Update documentation.
2499 (regclass): Set prefclass to NO_REGS if memory is the best option.
2500 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2502 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2504 PR tree-optimization/26821
2505 * tree-ssa-math-opts.c (get_constant_one): New.
2506 (insert_reciprocals): Use it.
2508 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2510 * dwarf2out.c (free_AT): Delete.
2511 (remove_AT): Update string ref counts.
2512 (remove_child_TAG): Don't call free_die.
2514 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2515 or DW_TAG_GNU_EINCL.
2516 (prune_unused_types_walk_attribs): Reset string refcounts.
2517 (prune_unused_types_update_strings): New.
2518 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2519 call free_die. Do call prune_unused_types_update_strings.
2520 (prune_unused_types): Empty debug_str_hash.
2522 2006-04-17 Roger Sayle <roger@eyesopen.com>
2524 * expr.c (expand_assignment): Optimize away no-op moves where the
2525 source and destination are equal and have no side-effects.
2527 2006-04-17 Richard Guenther <rguenther@suse.de>
2530 * reload.c (push_reload): Guard calls to get_secondary_mem
2533 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2535 * alias.c (reg_base_value, old_reg_base_value): Change the
2536 type to VEC(rtx,gc) *.
2537 (REG_BASE_VALUE, find_base_value, record_set,
2538 init_alias_analysis): Use VEC instead of VARRAY.
2540 * alias.c (alias_sets): Change the type to
2541 VEC(alias_set_entry,gc) *.
2542 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2543 VEC instead of VARRAY.
2544 (last_alias_set): Remove.
2546 * cgraph.h (cgraph_edge_p): New.
2547 Update the prototype of cgraph_function_versioning.
2548 * cgraphunit.c (cgraph_copy_node_for_versioning,
2549 cgraph_function_versioning): Use VEC instead of VARRAY.
2550 * ipa-cp.c (ipcp_insert_stage): Likewise.
2552 2006-04-16 Roger Sayle <roger@eyesopen.com>
2555 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2556 "A op B" or "A op C", we may need to convert A to the type of B and C.
2558 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2560 * target.h (struct gcc_target): Add mode_rep_extended.
2561 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2562 (init_num_sign_bit_copies_in_rep): Initialize it using
2564 (truncate_to_mode): Use it.
2565 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2566 * targhooks.h (default_mode_rep_extended): Declare it.
2567 * targhooks.c (default_mode_rep_extended): Define it.
2568 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2569 default_mode_rep_extended.
2570 (TARGET_INITIALIZER): Include it.
2571 * doc/tm.texi (Misc): Document it.
2572 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2573 (mips_truncated_to_mode): New function.
2575 2006-04-16 Roger Sayle <roger@eyesopen.com>
2578 * expr.c (compress_float_constant): Copy the narrow constant into
2579 a new pseudo before extending it to its final width.
2581 2006-04-16 Roger Sayle <roger@eyesopen.com>
2582 Andrew Pinski <pinskia@gcc.gnu.org>
2583 Dale Johannesen <dalej@apple.com>
2586 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2587 special case code to implement V8HImode and V16QImode with SSE2.
2589 2006-04-15 Roger Sayle <roger@eyesopen.com>
2591 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2592 trees are constructed with a suitable tree type.
2594 2006-04-15 Roger Sayle <roger@eyesopen.com>
2596 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2597 (integer_onep): Likewise.
2598 (integer_all_onesp): Likewise.
2599 (integer_pow2p): Likewise.
2600 (integer_nonzerop): Likewise.
2601 (real_zerop): Likewise.
2602 (real_onep): Likewise.
2603 (real_twop): Likewise.
2604 (real_minus_onep): Likewise.
2605 (int_size_in_bytes): Likewise.
2606 (host_integerp): Likewise.
2608 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2610 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2611 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2612 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2614 * tree-ssa-structalias.h (alias_info): Remove num_references.
2616 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2618 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2619 (output_bvb patterns): Likewise.
2620 * pa.c (output_bb): Use 'bb' insn for long branch case.
2621 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2622 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2623 1. Correct length operand for alternatives 1 and 2.
2624 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2625 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2627 2006-04-14 Roger Sayle <roger@eyesopen.com>
2629 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2630 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2631 were accidentally reverted by r112959.
2633 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2636 * except.h (eh_region_outermost): New prototype.
2637 * except.c (eh_region_outermost): New function.
2638 * tree-cfg.c (find_outermost_region_in_block): Use it.
2640 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2642 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2644 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2645 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2646 (init_reload, reload): Use VEC instead of VARRAY.
2647 * reload.h: Update the prototype for
2648 reg_equiv_memory_loc_varray.
2650 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2651 Eric Botcazou <ebotcazou@libertysurf.fr>
2653 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2656 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2659 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2660 to expand fallback builtin function call.
2662 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2665 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2666 and emit libcall here in case the builtin fails.
2667 (expand_builtin_strcmp): Always emit the libcall here on failure.
2669 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2671 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2672 * flow.c (reg_n_info): Change the type to
2673 VEC(reg_info_p,heap) *.
2674 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2676 * regs.h (reg_info_p): New.
2677 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2678 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2679 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2682 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2684 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2686 * params.h (MAX_SCHED_READY_INSNS): New macro.
2687 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2688 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2689 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2690 the ready list for 1 cycle during the first scheduling pass.
2691 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2693 2006-04-13 Richard Henderson <rth@redhat.com>
2696 * gimple-low.c (lower_omp_directive): Remove dead code.
2697 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2698 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2699 * omp-low.c (struct omp_region): Move to tree-flow.h.
2700 (root_omp_region): Export.
2701 (omp_regions, lookup_omp_region): Remove.
2702 (determine_parallel_type): Update for struct omp_region changes.
2703 (dump_omp_region): Dump regions with block numbers.
2704 (new_omp_region): Take type and block instead of stmt; malloc
2706 (free_omp_region_1, free_omp_regions): New.
2707 (expand_parallel_call): Take entry_stmt as argument; update for
2708 changes to omp_region.
2709 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2710 (remove_exit_barriers): New.
2711 (expand_omp_parallel): Update for struct omp_region changes.
2712 (expand_omp_synch): Likewise.
2713 (expand_omp): Likewise.
2714 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2715 (expand_omp_for_static_chunk): Likewise.
2716 (expand_omp_for): Likewise.
2717 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2718 (expand_omp_sections): Similarly, with GOMP_sections_end.
2719 (expand_omp_single): New.
2720 (build_omp_regions_1): Update for OMP_CONTINUE.
2721 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2722 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2723 OMP_SECTIONS_SECTIONS.
2724 (lower_omp_single_simple): Don't emit barrier here.
2725 (lower_omp_single_copy): Likewise.
2726 (lower_omp_single): Fix bindings, and lower to straightline now.
2727 (lower_omp_master, lower_omp_ordered): Likewise.
2728 (lower_omp_critical): Likewise.
2729 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2730 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2731 omp edges, free it afterward.
2732 (make_omp_sections_edges): Remove.
2733 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2734 (move_stmt_r): Handle OMP_CONTINUE.
2735 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2736 statement pointers to basic blocks. Add type member.
2737 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2738 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2739 * tree-inline.c (estimate_num_insns_1): Likewise.
2740 * tree-pretty-print.c (dump_generic_node): Likewise.
2741 * tree-ssa-operands.c (get_expr_operands): Likewise.
2742 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2743 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2744 (OMP_CONTINUE): New.
2745 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2746 (OMP_SECTIONS_SECTIONS): Remove.
2747 (OMP_SECTION_LAST): New.
2748 (OMP_RETURN_NOWAIT): New.
2750 2006-04-13 Roger Sayle <roger@eyesopen.com>
2752 * fold-const.c (native_encode_vector, native_interpret_real):
2753 Correct obvious mistakes in the previous check-in.
2755 2006-04-13 Roger Sayle <roger@eyesopen.com>
2757 * fold-const.c (native_encode_expr): New function to encode
2758 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2759 or VECTOR_CST into a specified buffer.
2760 (native_encode_int): New function.
2761 (native_encode_real): New function.
2762 (native_encode_complex): New function.
2763 (native_encode_vector): New function.
2764 (native_interpret_expr): Inverse of native_encode_expr to convert
2765 a target representation into an INTEGER_CST, REAL_CST etc...
2766 (native_interpret_int): New function.
2767 (native_interpret_real): New function.
2768 (native_interpret_complex): New function.
2769 (native_interpret_vector): New function.
2770 (fold_view_convert_expr): New function to constant fold/evaluate
2771 a VIEW_CONVERT_EXPR of a suitable constant expression.
2772 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2773 Change call of build1 to fold_build1 when constructing a
2776 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2777 Ulrich Weigand <uweigand@de.ibm.com>
2780 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2783 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2786 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2787 optimize to lo_sum for DFmode if !TARGET_FPRS.
2789 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2791 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2792 delete_alias_info, compute_flow_sensitive_aliasing,
2793 group_aliases): Use VEC instead of VARRAY.
2794 * tree-ssa-structalias.c (update_alias_info): Likewise.
2795 * tree-ssa-structalias.h (alias_info): Change the type of
2796 processed_ptrs to VEC(tree,heap) *.
2798 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2801 * config/sh/lib1funcs.h: New file, broken out of:
2802 * config/sh/lib1funcs.asm.
2803 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2805 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2806 * config/sh/lib1funcs-Os-4-200.asm: New file.
2807 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2808 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2809 (EXTRA_MULTILIB_PARTS): Include it.
2810 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2811 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2812 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2813 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2816 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2818 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2819 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2820 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2822 * tree-ssa-live.h: Include vecprim.h.
2823 (tree_partition_associator_d): Change the type of
2824 first_partition to VEC(int,heap) *.
2825 (tpa_first_partition): Use VEC instead of VARRAY.
2827 * Makefile.in (GTFILES): Move functions.h after tree.h.
2828 * function.c (reset_block_changes, record_block_change,
2829 check_block_change, free_block_changes): Use VEC instead of
2831 * function.h (function): Change the type of
2832 ib_boundaries_block to VEC(tree,gc) *.
2833 * tree-inline.c (copy_cfg_body): Initialize
2834 ib_boundaries_block to NULL instead of (varray_type) 0.
2836 2006-04-12 Roger Sayle <roger@eyesopen.com>
2838 * expr.c (emit_group_store): Correct operand order in call to
2839 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2840 a SUBREG_BYTE of zero.
2842 2006-04-12 Richard Guenther <rguenther@suse.de>
2844 * profile.c (compute_branch_probabilities): Remove code
2845 encapsulated in !ir_type (), which are remanents of the
2846 removed RTL profiling code.
2847 * rtl-profile.c: Remove.
2849 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2851 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2852 magic NULL_RTX comment.
2853 (function_arg): Store entire fp arg to mem if any part should go
2855 (rs6000_arg_partial_bytes): Adjust for above change.
2857 2006-04-11 Roger Sayle <roger@eyesopen.com>
2859 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2860 if it hasn't been initialized by dwarf2out_init.
2862 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2864 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2865 symbolic constants in branch patterns.
2867 2006-04-11 Roger Sayle <roger@eyesopen.com>
2869 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2871 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2873 PR rtl-optimization/27073
2874 * gcse.c (try_replace_reg): Revert last change. Continue to search
2875 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2878 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2880 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2881 aggregate types other than record and union types.
2882 (function_arg): Likewise.
2883 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2885 (function_value): In 64-bit mode, return objects that require it
2888 2006-04-11 Roger Sayle <roger@eyesopen.com>
2890 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2892 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2894 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2896 2006-04-03 Jeff Law <law@redhat.com>
2899 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2900 alias information too.
2902 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2904 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2906 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2909 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2910 (premark_used_types_helper): New.
2911 (premark_used_types): New.
2912 (gen_subprogram_die): Call premark_used_types.
2913 (prune_unused_types_walk): Do not prune perennial dies.
2914 * function.c (used_types_insert): New.
2915 * function.h (struct function): Add used_types_hash field.
2916 (used_types_insert): Add prototype.
2917 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2918 * c-parser.c (c_parser_cast_expression): Save casted types in used
2921 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2924 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2925 rs6000_explicit_options.float_gprs.
2927 2006-04-10 Roger Sayle <roger@eyesopen.com>
2929 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2930 from ix86_expand_vector_init_low_nonzero. Take an additional
2931 one_var argument indicating which element is non-zero. Support
2932 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2933 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2934 with one_var instead of ix86_expand_vector_init_low_nonzero.
2936 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2938 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2939 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2940 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2941 build/genextract.o): Depend on vecprim.h.
2942 * cfglayout.c, df-problems.c, function.c, genextract.c,
2943 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2944 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2948 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2950 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2951 Declare VECs of this type.
2952 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2953 (remove_children): Delete.
2954 (add_dwarf_attr): Use VEC routines.
2955 (add_AT_flag): Update for changes to add_dwarf_attr.
2956 (add_AT_int): Likewise.
2957 (add_AT_unsigned): Likewise.
2958 (add_AT_long_long): Likewise.
2959 (add_AT_vec): Likewise.
2960 (add_AT_string): Likewise.
2961 (add_AT_die_ref): Likewise.
2962 (add_AT_fde_ref): Likewise.
2963 (add_AT_loc): Likewise.
2964 (add_AT_loc_list): Likewise.
2965 (add_AT_addr): Likewise.
2966 (add_AT_lbl_id): Likewise.
2967 (add_AT_lineptr): Likewise.
2968 (add_AT_macptr): Likewise.
2969 (add_AT_offset): Likewise.
2970 (add_AT_range_list): Likewise.
2971 (get_AT): Use VEC_iterate.
2972 (remove_AT): Use VEC_ordered_remove.
2973 (free_die): Fold remove_children into here; have it use VEC_iterate.
2974 (print_die): Use VEC_iterate on attrs.
2975 (reverse_die_lists): Don't reverse attr lists.
2976 (die_checksum): Use VEC_iterate on attrs.
2977 (same_die_p): Likewise.
2978 (output_location_lists): Likewise.
2979 (build_abbrev_table): Likewise.
2980 (size_of_die): Likewise.
2981 (unmark_all_dies): Likewise.
2982 (output_abbrev_section): Likewise.
2983 (output_die): Likewise.
2984 (prune_unused_types_walk_attribs): Likewise.
2986 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2988 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2990 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2993 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2995 2006-04-09 Roger Sayle <roger@eyesopen.com>
2997 * expr.c (store_constructor): Don't bother clearing target if
2998 we're about to assign a vector to it using vec_init_optab.
3000 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3002 * tree-ssa-alias.c (lhs_may_store_to): New function.
3003 (recalculate_used_alone): Handle LHS of calls.
3005 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3009 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3010 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3011 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3012 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3013 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3014 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3015 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3016 stubs. Add ".align 8" directives before all ".dword" directives.
3017 (GTHREAD_USE_WEAK): Revise comment.
3018 (TARGET_ATTRIBUTE_WEAK): Define.
3019 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3020 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3021 * stublib.c: New file.
3026 * pa.md (cbranch patterns): Revise arguments used in calls to
3027 output_cbranch, output_bb and output_bvd. Add long branch length
3029 (fbranch patterns): Handle long branches.
3030 (jump): Revise length check. Revise arguments for output_lbranch call.
3031 Add long branch length attributes.
3032 (decrement_and_branch_until_zero): Add long branch length attributes.
3033 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3034 Likewise. Revise arguments for output_parallel_addb and
3035 output_parallel_movb calls.
3036 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3037 output_parallel_movb and output_parallel_addb): Update prototypes.
3038 * pa.c (output_cbranch): Revise arguments. Correct handling of
3039 nullification in long branches.
3040 (output_lbranch): Add new argument to control extraction of delay
3042 (output_bb): Handle long branches.
3043 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3044 output_parallel_addb): Likewise.
3046 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3048 PR rtl-optimization/27073
3049 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3052 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3054 * tree.h (tree_memory_tag): Add old_used_alone.
3055 (SMT_OLD_USED_ALONE): New macro.
3056 * tree-ssa-alias.c (recalculate_used_alone): Stop
3057 marking things for renaming unnecessarily.
3059 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3061 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3062 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3063 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3064 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3065 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3066 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3067 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3068 spelling convensions.
3069 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3070 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3071 typos. Follow spelling conventions.
3073 2006-04-07 DJ Delorie <dj@redhat.com>
3075 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3076 passed on the stack.
3077 (m32c_init_cumulative_args): When a function returns a structure,
3078 always pass the pointer to that return area on the stack.
3079 (m32c_function_arg_advance): Don't increment the parameter number
3080 if we're processing the returned structure pointer.
3081 (pushm_info): Reverse order of registers.
3083 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3085 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3086 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3087 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3088 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3090 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3091 chrec_fold_multiply): Same.
3092 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3093 force_expr_to_var_cost): Same.
3094 * tree-mudflap.c (mf_xform_derefs_1): Same.
3095 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3097 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3099 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3100 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3103 2006-04-07 Jan Hubicka <jh@suse.cz>
3105 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3107 2006-04-07 Richard Guenther <rguenther@suse.de>
3109 PR tree-optimization/26135
3110 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3111 loads for store copy-prop.
3112 (copy_prop_visit_stmt): Likewise.
3114 2006-04-05 Robert Millan <robertmh@gnu.org>
3116 * config/i386/linux.h: Add a comment to mark macros that are
3117 being overriden in config/k*bsd-gnu.h.
3118 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3120 * config/knetbsd-gnu.h: Ditto.
3122 2006-04-06 Jan Hubicka <jh@suse.cz>
3126 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3129 2006-04-06 Mike Stump <mrs@apple.com>
3131 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3132 for HAVE_nonlocal_goto to be consistent.
3133 (expand_builtin_nonlocal_goto): Likewise.
3134 (expand_builtin_strcmp): Use #ifdef instead of #if
3135 for HAVE_cmpstrnsi to be consistent.
3137 2006-04-05 DJ Delorie <dj@redhat.com>
3139 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3142 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3144 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3145 got-relative addressing for anything but SImode.
3147 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3148 even if the calling function doesn't modify them.
3150 2006-04-05 Richard Guenther <rguenther@suse.de>
3152 PR tree-optimization/26919
3153 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3154 to cgraph_estimate_size_after_inlining.
3156 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3158 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3160 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3162 PR tree-optimization/26996
3163 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3164 VECTOR_TYPE variables.
3166 2006-04-05 Richard Guenther <rguenther@suse.de>
3168 PR tree-optimization/26763
3169 * fold-const.c (fold_comparison): Move folding of
3170 PTR + CST CMP PTR + CST ...
3171 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3173 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3175 * doc/install.texi (Prerequisites): Refine some wording on
3176 bootstrapping and ksh.
3177 Move the version numbers of DejaGnu here from the testing section
3178 and fix casing of names.
3179 Fix markup and clarify wording for autogen requirements.
3180 Refer to GCJ instead of just java.
3181 Refer to SVN instead of CVS.
3182 Describe diffutils as useful instead of necessary.
3183 (Downloading the source): Refer to SVN instead of CVS.
3184 Adjust a link to our web site accordingly.
3185 (Configuration): Fix casing of Bison.
3186 (Building): Refer to SVN instead of CVS.
3187 Fix a sentence on the use of Bison and remove duplicate (and
3188 incorrect) version number of Bison requirement.
3189 Remove one redundant list of packages needed for building.
3190 (Specific): Avoid reference to CVS.
3192 2006-04-04 Eric Christopher <echristo@apple.com>
3194 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3195 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3196 (rs6000_handle_struct_attribute): New.
3197 (rs6000_ms_bitfield_layout_p): Ditto.
3199 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3201 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3202 NULL for dso parameter to atexit_common.
3204 2006-04-04 Eric Christopher <echristo@apple.com>
3206 * config/i386/i386.c (machopic_output_stub): Output \t
3207 between instructions and operands.
3209 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3211 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3212 satisfies_constraint_[IL] to explicit tests on value.
3214 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3216 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3217 set_nb_iterations_in_loop): Use build_int_cst instead of
3219 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3220 build_int_cst instead of convert.
3222 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3224 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3225 new value 2 for incoming.
3226 * function.c (expand_function_start): Call struct_value_rtx
3228 * config/sparc/sparc.md: Comment updated_return.
3229 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3230 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3231 struct return if sparc_std_struct_return and incoming is 2.
3232 (print_operand): Do not adjust return if
3233 sparc_std_struct_return.
3235 2006-04-04 Roger Sayle <roger@eyesopen.com>
3237 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3238 convert in the middle-end.
3239 * expr.c (store_expr, store_constructor, get_inner_reference,
3240 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3242 * tree.c (build_range_type): Likewise.
3244 2006-04-04 Tom Tromey <tromey@redhat.com>
3246 * doc/install.texi (Prerequisites): Mention jar.
3248 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3250 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3253 2006-04-04 Matthias Klose <doko@debian.org>
3255 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3256 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3259 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3261 * doc/extend.texi (Function Attributes): Rewrite visibility
3262 attribute documentation.
3263 * doc/invoke.texi (C++ Dialect Options): Rewrite
3264 -fvisibility-inlines-hidden documentation to describe something
3265 entirely different, although in practise compatible.
3266 (Code Gen Options): Warn about system headers in -fvisibility=
3269 * doc/extend.texi (Other Builtins): Document that
3270 __builtin_nan is a compile-time constant only when its argument
3273 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3275 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3276 trying to remove TRUNCATE check if all bits outside the new mode
3277 are identical to the sign bit.
3279 2006-04-03 Jeff Law <law@redhat.com>
3281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3282 and operand scanning in some common cases.
3284 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3285 Dale Johannesen <dalej@apple.com>
3288 * regclass.c (struct reg_pref): Update documentation.
3289 (regclass): Set prefclass to NO_REGS if memory is the best option.
3290 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3291 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3292 into account. For non-registers, equate an empty preferred
3293 reload class to a `!' in the constraint; move the if clause to
3294 do so after those that reject the insn.
3295 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3297 (find_dummy_reload): Likewise.
3298 * doc/tm.texi (Register Classes): Document what it means
3299 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3300 * config/i386/i386.c (ix86_preferred_reload_class): Force
3301 using SSE registers (and return NO_REGS for floating-point
3302 constants) if math is done with SSE.
3303 (ix86_preferred_output_reload_class): New.
3304 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3305 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3306 * config/i386/i386.md: Remove # register preferences.
3308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3311 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3312 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3313 the type of nb_iter.
3314 (instantiate_parameters_1): Convert the operands before calling
3315 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3316 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3318 2006-04-02 Roger Sayle <roger@eyesopen.com>
3320 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3321 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3323 * dojump.c (do_jump): Likewise.
3324 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3325 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3326 gimplify_boolean_expr): Likewise.
3327 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3328 * varasm.c (array_size_for_constructor): Likewise.
3329 * tree-object-size.c (compute_object_offset): Likewise.
3331 2006-04-02 Roger Sayle <roger@eyesopen.com>
3334 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3335 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3337 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3339 PR tree-optimization/26939
3340 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3342 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3344 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3345 at_stmt. Convert the type of operands before calling
3346 build_polynomial_chrec.
3347 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3349 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3350 (instantiate_parameters_1): Convert the type of operands before calling
3351 build_polynomial_chrec.
3352 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3353 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3354 reset_evolution_in_loop): Insert asserts to check the types of the
3356 (chrec_type): Moved...
3357 (eq_evolutions_p): Use operand_equal_p.
3358 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3359 the types of the operands.
3360 (chrec_type): ...here.
3361 * tree-data-ref.c (create_data_ref): Convert the operands before
3362 calling chrec_replace_initial_condition.
3363 (same_access_functions, analyze_subscript_affine_affine,
3364 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3365 (compute_subscript_distance, analyze_ziv_subscript,
3366 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3367 analyze_miv_subscript): Convert the operands before calling
3368 chrec_fold_minus or chrec_fold_plus.
3370 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3372 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3373 the dependence_relations vector.
3374 (compute_data_dependences_for_loop): Adjust call to
3375 compute_all_dependences.
3377 2006-04-01 Roger Sayle <roger@eyesopen.com>
3378 Richard Henderson <rth@redhat.com>
3380 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3381 gimple_boolify on the condition before calling gimplify_expr.
3383 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3385 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3386 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3387 the frame size. Update to use the new macros.
3388 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3389 * config/xtensa/ieee754-df.S: Likewise.
3391 2006-03-31 Richard Henderson <rth@redhat.com>
3393 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3394 (make_edges): ... here. Control fallthru creation with a local
3395 variable. Do not play with fake edges.
3396 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3397 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3400 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3402 * dwarf2.h (DW64_CIE_ID): Define.
3403 * dwarf2out.c (DWARF_CIE_ID): Define.
3404 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3405 length header. Use DWARF_CIE_ID.
3406 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3407 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3409 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3411 * config/sh/linux-atomic.asm: New file.
3412 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3414 2006-03-31 DJ Delorie <dj@redhat.com>
3416 * config/m32c/cond.md: Set condition flags properly throughout.
3417 * config/m32c/minmax.md: Likewise.
3418 * config/m32c/prologue.md: Likewise.
3419 * config/m32c/bitops.md: Likewise.
3420 * config/m32c/muldiv.md: Likewise.
3421 * config/m32c/mov.md: Likewise.
3422 * config/m32c/addsub.md: Likewise.
3423 * config/m32c/m32c.md: Likewise.
3424 * config/m32c/jump.md: Likewise.
3425 * config/m32c/shift.md: Likewise.
3427 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3428 conditionally output the pattern for this.
3429 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3430 (m32c_compare_redundant): New.
3431 (m32c_output_compare): New.
3432 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3434 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3435 dest, not src. Allow other 4-byte modes.
3437 2006-03-30 Denis Chertykov <denisc@overta.ru>
3439 * doc/md.texi: Refer to avr/constraints.md instead of
3442 2006-03-30 Roger Sayle <roger@eyesopen.com>
3444 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3445 signed vs. unsigned comparison failures on some hosts.
3447 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3450 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3451 change to FLOAT_REGS.
3453 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3454 (rs6000_override_options): Use it.
3455 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3456 only for -mabi=spe/no-spe and -mabi=altivec.
3458 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3460 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3463 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3465 * Makefile.in: Rename docdir to gcc_docdir.
3467 2006-03-30 Roger Sayle <roger@eyesopen.com>
3470 * expr.c (emit_group_store): Optimize group stores into a pseudo
3471 register by using a paradoxical subreg to initialize the destination
3472 if the first or last member of the group specifies a "low part".
3474 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3477 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3478 * target.h (struct gcc_target.speculate_insn): Change type of the
3479 second parameter to 'int'.
3480 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3481 the second operand of the DEPS_LIST.
3482 (copy_DEPS_LIST_list): Update reference to the second operand of the
3484 * rtl.h (alloc_DEPS_LIST): Update signature.
3485 * sched-int.h (ds_t): Change typedef to 'int'.
3486 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3488 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3490 * haifa-sched.c (try_ready): Change condition to restore
3491 non-speculative pattern of the instruction.
3492 (process_insn_depend_be_in_spec): Code to keep probability of the
3493 speculative dependence non-decreasing.
3495 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3497 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3498 (single_move_for_movmem): ... this. Also change all uses.
3499 (bfin_expand_strmov): Renamed to...
3500 (bfin_expand_movmem): ... this. Also change all uses.
3501 * config/bfin/bfin.md (movstrsi): Renamed to...
3502 (movstrsi): ...this.
3504 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3506 PR tree-optimization/26830
3508 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3509 (copy_prop_visit_stmt): Remove write-only variable ann.
3510 (init_copy_prop): Check variable loop depth here. Do not simulate
3511 memory-tag and virtual operand PHIs except for store copy prop.
3513 2006-03-30 Richard Guenther <rguenther@suse.de>
3515 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3516 variants with double arguments.
3518 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3520 * genpreds.c (write_tm_constrs_h): Delete variable p.
3521 * genconditions.c (write_header): Add tm-constrs.h to included
3523 * genpeep.c (main): Add toplev.h to included headers.
3524 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3525 (build/genpeep.o): Add toplev.h dependency.
3526 * config/rs6000/constraints.md: Add "W" constraint.
3528 2006-03-29 Roger Sayle <roger@eyesopen.com>
3530 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3531 sizes by correctly testing whether the size fits a host integer.
3532 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3533 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3534 SImode range for the default sizetype and bitsizetype.
3536 2006-03-29 Roger Sayle <roger@eyesopen.com>
3538 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3539 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3540 quickly if the argument is already of the correct type.
3541 Call fold_build1 instead of build1. Tidy up blank lines.
3543 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3545 * genemit.c (main): Add tm-constrs.h to included headers.
3546 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3547 * genpeep.c (main): Add tm-constrs.h to included headers.
3548 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3549 (write_tm_constrs_h): this and write complete file.
3550 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3551 (write_insn_preds_c): Add tm-constrs.h to included headers.
3552 (gen_constrs): New variable.
3553 (parse_option): Parse "-c".
3554 (main): Invoke write_tm_constrs_h.
3555 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3556 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3557 (object_out_file): Add tm-constrs.h dependency.
3558 (insn-emit.o): Same.
3559 (insn-output.o): Same.
3560 (insn-peep.o): Same.
3561 (insn-preds.o): Same.
3562 (insn-recog.o): Same.
3563 (tm-constsr.h): New target.
3564 (s-constrs-h): New target.
3566 * config/rs6000/constraints.md: New file.
3567 * config/rs6000/rs6000.c: Include tm-constrs.h.
3568 (num_insn_constant_wide): Convert to satisfies_constraint.
3569 (rs6000_rtx_costs): Convert to satisfies_constraint.
3570 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3571 (CONST_OK_FOR_LETTER_P): Delete.
3572 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3573 (EXTRA_CONSTRAINT): Delete.
3574 (EXTRA_MEMORY_CONSTRAINT): Delete.
3575 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3576 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3577 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3578 satisfies_constraint.
3580 * config/i386/i386.c: Include tm-constrs.h.
3582 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3584 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3585 * tree-data-ref.c (find_data_references_in_loop,
3586 compute_data_dependences_for_loop): Use pointers to VEC.
3587 (analyze_all_data_dependences): Adjust calls.
3588 * tree-data-ref.h (find_data_references_in_loop,
3589 compute_data_dependences_for_loop): Adjust declarations.
3590 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3591 compute_data_dependences_for_loop.
3593 2006-03-29 Paul Brook <paul@codesourcery.com>
3595 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3598 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3600 PR tree-optimization/26859
3601 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3603 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3604 for the step after fold_convert.
3606 2006-03-29 Paul Brook <paul@codesourcery.com>
3608 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3609 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3611 2006-03-29 Paul Brook <paul@codesourcery.com>
3614 * targhooks.c (default_narrow_bitfield): New fuction.
3615 * targhooks.h (default_narrow_bitfield): add prototype.
3616 * target.h (gcc_target): Add narrow_volatile_bitfield.
3617 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3618 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3619 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3620 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3622 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3624 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3626 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3627 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3628 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3629 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3630 (s390_function_arg_float): Allow SDmode and DDmode values to be
3631 passed in floating point registers.
3632 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3633 check with SCALAR_FLOAT_MODE_P.
3634 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3636 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3638 PR tree-optimization/25985
3639 * tree-ssa-loop-niter.c (number_of_iterations_le,
3640 number_of_iterations_ne): Make comments more precise.
3641 (number_of_iterations_cond): Add only_exit argument. Use the
3642 fact that signed variables do not overflow only when only_exit
3644 (loop_only_exit_p): New.
3645 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3646 number_of_iterations_cond.
3648 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3650 PR tree-optimization/26643
3651 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3654 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3656 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3657 (divsi3_i4_int): Likewise.
3659 2006-03-28 Roger Sayle <roger@eyesopen.com>
3661 * expr.c (emit_group_store): Only create a new pseudo reg if the
3662 quantity it needs to hold isn't already a suitable pseudo.
3664 2006-03-28 Jeff Law <law@redhat.com>
3666 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3667 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3669 2006-03-28 Roger Sayle <roger@eyesopen.com>
3671 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3672 the equivalent ~X & Y, and the symmetry related transformations.
3673 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3674 ~X & Y, and symmetry related transforms.
3676 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3678 Revert my 2006-03-27 patches.
3680 2006-03-28 Roger Sayle <roger@eyesopen.com>
3682 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3683 ~(T1)X, when T1 and T2 are integer types of the same precision
3684 and (T2)X isn't an extension.
3686 2006-03-28 Jeff Law <law@redhat.com>
3688 PR tree-optimization/26796
3689 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3690 need EH edge cleanups rather than purging them immediately.
3691 (eliminate_degenerate_phis): Handle queued EH cleanups.
3693 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3695 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3698 2006-03-27 Roger Sayle <roger@eyesopen.com>
3701 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3702 cast BIT_NOT_EXPR operand to the correct type.
3704 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3706 * tree-loop-linear.c: Don't include varray.h.
3707 (gather_interchange_stats, try_interchange_loops,
3708 linear_transform_loops): Use VEC instead of VARRAY.
3709 * lambda-mat.c: Don't include varray.h.
3710 * tree-chrec.c: Same.
3711 * lambda-trans.c: Same.
3712 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3713 VEC instead of VARRAY.
3714 * tree-vectorizer.h: Idem.
3715 * tree-data-ref.c (dump_data_references,
3716 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3717 initialize_data_dependence_relation, finalize_ddr_dependent,
3718 compute_all_dependences, find_data_references_in_loop,
3719 compute_data_dependences_for_loop, analyze_all_data_dependences,
3720 free_dependence_relation, free_dependence_relations,
3721 free_data_refs): Idem.
3722 * tree-data-ref.h (data_reference_p, subscript_p): New.
3723 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3724 VEC instead of VARRAY.
3725 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3726 (find_data_references_in_loop, compute_data_dependences_for_loop,
3727 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3728 dump_data_dependence_relations, free_dependence_relations,
3729 free_data_refs): Adjust declaration.
3730 (lambda_transform_legal_p): Move declaration here...
3731 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3732 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3733 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3734 vect_analyze_data_refs): Use VEC instead of VARRAY.
3735 * lambda.h (lambda_transform_legal_p): ...from here.
3736 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3737 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3738 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3739 tree-chrec.o): Don't depend on VARRAY_H.
3741 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3743 * rtl.def (Copyright): Update date.
3744 (DEPS_LIST): Change type of the second operand to 'int'.
3745 * target.h (Copyright): Update date.
3746 (struct gcc_target.speculate_insn): Change type of the second parameter
3748 * lists.c (Copyright): Update date.
3749 (alloc_DEPS_LIST): Change signature. Update reference to the second
3750 operand of the DEPS_LIST.
3751 (copy_DEPS_LIST_list): Update reference to the second operand of the
3753 * rtl.h (Copyright): Update date.
3754 (alloc_DEPS_LIST): Update signature.
3755 * sched-int.h (Copyright): Update date.
3756 (ds_t): Change typedef to 'int'.
3757 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3759 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3761 * haifa-sched.c (Copyright): Update date.
3762 (try_ready): Change condition to restore non-speculative pattern
3764 (process_insn_depend_be_in_spec): Code to keep probability of the
3765 speculative dependence non-decreasing.
3767 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3769 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3770 shut up the compiler.
3772 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3774 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3775 to use lib prefix for target.
3776 ($(T)libic_invalidate_array_4-200.a): Likewise.
3777 ($(T)libic_invalidate_array_4a.a): Likewise.
3779 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3780 J"orn Rennecke <joern.rennecke@st.com>
3782 * superh.opt: New file.
3783 * sh.c (boardtype, osruntime): Remove.
3784 * superh.h (SUBTARGET_OPTIONS): Remove.
3785 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3787 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3788 arguments with ^ and/or [].
3790 * config.gcc (sh-*-*): Add quoting to account for quirk of
3792 Replace == with = in enable_incomplete_targets test.
3794 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3795 with MASK_LITTLE_ENDIAN.
3797 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3798 * config/sh/sh.opt: Added to some comments.
3799 * config/sh/superh.h: Removed some chaff.
3801 * config/sh/sh.opt: Add m4-[1234]00* options.
3802 * config/sh/sh.c (sh_handle_option): Likewise.
3803 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3804 (ic_invalidate_array_4-100.o): New rule.
3805 ($(T)libic_invalidate_array_4-100.a): Likewise.
3806 (ic_invalidate_array_4-200.o): Likewise.
3807 ($(T)libic_invalidate_array_4-200.a): Likewise.
3808 (ic_invalidate_array_4a.o): Likewise.
3809 ($(T)libic_invalidate_array_4a.a): Likewise.
3810 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3811 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3813 * config/sh/crt1.asm: Merged in profiling code.
3814 * config/sh/superh.h (STARTFILE_SPEC): Override.
3815 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3816 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3817 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3819 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3820 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3821 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3823 * sh.opt (mpretend-cmove): New option.
3824 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3825 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3826 (movsicc): Add TARGET_PRETEND_CMOVE code.
3828 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3830 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3831 s390_class_max_nregs): New function prototypes.
3832 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3833 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3834 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3835 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3837 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3839 * dwarf2out.c (add_location_or_const_value_attribute): Call
3840 tree_add_const_value_attribute if nothing else works.
3841 (reference_to_unused): New.
3842 (rtl_for_decl_init): Use reference_to_unused to decide whether
3843 to output an initializer.
3845 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3848 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3849 peephole removing spe frob_di_df_2.
3851 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3853 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3854 (subscript_dependence_tester_1): Declared.
3855 (print_dir_vectors, print_dist_vectors): New.
3856 (debug_data_dependence_relation): New.
3857 (dump_data_dependence_relation): Print more details.
3858 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3859 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3860 (save_dist_v, save_dir_v, add_outer_distances,
3861 build_classic_dist_vector_1): New.
3862 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3863 Don't test for lambda_vector_lexico_pos.
3864 (same_access_functions, add_multivariate_self_dist,
3865 add_other_self_distances, dir_from_dist): New.
3866 (build_classic_dir_vector): Replace implementation almost identical to
3867 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3869 (subscript_dependence_tester_1): New.
3870 (subscript_dependence_tester): Handle the lexicographically negative
3871 distance vectors by recomputing the dependence relation.
3872 (compute_affine_dependence): Remove parameter loop_nest_depth.
3873 (compute_self_dependence): Don't call compute_subscript_distance.
3874 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3875 Add a parameter for the loop_nest.
3876 (find_loop_nest_1, find_loop_nest): New.
3877 (compute_data_dependences_for_loop): Compute the loop nest, and give
3878 up if the nest is not well formed.
3879 * tree-data-ref.h (loop_p): New.
3880 (struct data_dependence_relation): Replace size_vect field with
3881 loop_nest, a vec of loops.
3882 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3883 (DDR_LOOP_NEST): New.
3884 (print_dir_vectors, print_dist_vectors,
3885 debug_data_dependence_relation): Declared.
3886 (index_in_loop_nest): New.
3887 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3888 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3891 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3893 * simplify-rtx.c (simplify_relational_operation): Call
3894 simplify_relational_operation_1 even if mode is VOIDmode.
3896 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3898 PR tree-optimization/26804
3899 * tree.h (DECL_CALL_CLOBBERED): New macro.
3900 (tree_decl_common): Add call_clobbered_flag.
3901 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3902 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3903 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3904 (mark_non_addressable): Ditto.
3905 * tree-ssa.c (verify_call_clobbered): New function.
3906 (verify_alias_info): Use it.
3907 * tree-pass.h (pass_reset_cc_flags): New prototype.
3908 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3909 (reset_cc_flags): New function.
3910 * passes.c (init_optimization_passes): Call reset_cc_flags after
3911 initializing referenced_vars.
3913 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3914 Roger Sayle <roger@eyesopen.com>
3917 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3918 to 1.0 for non-real operands. Implement A / A optimization for
3921 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3923 * config/i386/i386.c (size_cost): Correct the comment for
3924 cost of storing fp registers.
3925 (i386_cost): Likewise.
3926 (i486_cost): Likewise.
3927 (pentium_cost): Likewise.
3928 (pentiumpro_cost): Likewise.
3929 (k6_cost): Likewise.
3930 (athlon_cost): Likewise.
3931 (k8_cost): Likewise.
3932 (pentium4_cost): Likewise.
3933 (nocona_cost): Likewise.
3934 (generic64_cost): Likewise.
3935 (generic32_cost): Likewise.
3937 2006-03-24 Denis Chertykov <denisc@overta.ru>
3939 * config/avr/avr-protos.h (extra_constraint): Delete.
3940 (extra_constraint_Q): New declaration.
3941 * config/avr/constraints.md: New file.
3942 * config/avr/avr.md: Include it.
3943 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3944 (TMP_REGNO, ZERO_REGNO): Likewise.
3945 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3946 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3947 (extra_constraint): Delete.
3948 (extra_constraint_Q): Test for memory constraint 'Q'.
3949 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3950 (REG_CLASS_FROM_LETTER): Delete.
3951 (CONST_OK_FOR_LETTER_P): Delete.
3952 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3953 (EXTRA_CONSTRAINT): Delete.
3954 (TMP_REGNO): Delete.
3955 (ZERO_REGNO): Delete.
3957 2006-03-24 Jeff Law <law@redhat.com>
3959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3960 directly. Call mark_new_vars_to_rename slightly earlier.
3962 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3964 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3966 (gen_compile_unit_die): Use new language types for Objective-C and
3968 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3969 DW_LANG_C_plus_plus.
3972 * config/t-darwin (crt3.o): Work around bug 26840.
3973 * config/darwin-crt3.c: Rewrite.
3974 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3976 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3978 * doc/invoke.texi: Document -femit-class-debug-always
3979 * common.opt: Add -femit-class-debug-always.
3981 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3983 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3984 index and base register.
3985 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3986 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3987 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3988 REGNO_OK_FOR_INDEX_P.
3989 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3991 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3992 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3993 REG_OK_FOR_BASE_P): Definitions removed.
3995 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3998 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3999 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4000 set yet or weren't marked as local yet.
4002 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4004 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4007 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4009 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4010 (rs6000_legitimate_small_data_p): Delete.
4011 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4012 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4013 and make static. Add forward declaration. Update uses.
4014 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4015 of offsettable_memref_p.
4016 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4017 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4019 2006-03-24 Jeff Law <law@redhat.com>
4021 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4022 around bug in immediate-use iterator.
4024 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4027 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4028 or __LITTLE_ENDIAN__.
4030 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4032 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4033 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4034 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4035 * config/sh/sh.opt (mdiv=): Amend description.
4036 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4037 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4038 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4039 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4040 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4041 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4042 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4043 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4044 TARGET_DIVIDE_CALL_FP.
4046 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4048 * haifa-sched.c (choose_ready): Fix type of the local variable.
4049 Move local variables. Add comment.
4050 (check_reg_live): Change signature. Make callable from debugger.
4051 * sched-int.h (check_reg_live): Update signature.
4052 * sched-ebb.c (check_reg_live): Update parameters.
4053 * sched-rgn.c (check_reg_live): Ditto.
4054 (region_head_or_leaf_p): Check pointer before dereferencing.
4055 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4056 before reload on optimization levels below 1.
4058 2006-03-23 Richard Henderson <rth@redhat.com>
4060 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4064 * config/alpha/predicates.md (local_symbolic_operand): Reject
4067 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4070 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4071 expressions which have overflowed constants.
4073 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4075 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4077 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4079 * cfgloopmanip.c (create_loop_notes): Removed.
4080 * final.c (final_scan_insn): Do not handle loop notes.
4081 * jump.c (squeeze_notes): Ditto.
4082 * cfglayout.c (skip_insns_after_block,
4083 duplicate_insn_chain): Ditto.
4084 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4086 * cfgloop.h (create_loop_notes): Declaration removed.
4088 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4090 * varasm.c (output_constant_pool): Restore fnname and fndecl
4092 (assemble_start_function): Adjust call accordingly.
4093 (assemble_end_function): Likewise.
4095 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4098 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4101 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4103 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4106 * system.h (ICE_EXIT_CODE): New macro.
4107 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4108 (diagnostic_action_after_output): Likewise.
4109 * gcc.c (fatal_ice): New function.
4110 (execute): Use it instead of fatal.
4111 (fancy_abort): Likewise.
4112 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4114 2006-03-22 Jeff Law <law@redhat.com>
4116 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4117 iv_analyze_result returning false.
4119 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4121 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4123 2006-03-22 Richard Henderson <rth@redhat.com>
4126 * except.c (duplicate_eh_regions_0): New.
4127 (duplicate_eh_region_1): Duplicate the children of the node as
4128 well as the node itself. Link them up properly.
4129 (duplicate_eh_region_2): Merge into ...
4130 (duplicate_eh_regions): ... here. Take copy_region argument, and
4131 copy only a sub-tree if asked. Simplify copying and fixup.
4132 (eh_region_outer_p): New.
4133 * except.h (duplicate_eh_regions): Update decl.
4134 (eh_region_outer_p): Declare.
4135 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4136 (lower_omp_master): Likewise.
4137 (lower_omp_ordered): Likewise.
4138 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4139 (move_stmt_r): Use it to remap labels. Handle recursion vs
4140 remap_decls_p properly.
4141 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4142 (find_outermost_region_in_block): New.
4143 (new_label_mapper): New.
4144 (move_sese_region_to_fn): Copy eh information to the new function
4146 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4148 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4151 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4153 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4154 into shared libraries.
4156 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4158 * doc/md.texi: Refer to i386/constraints.md instead of
4160 * config/i386/constraints.md: New file, extracted from...
4161 * config/i386/predicates.md: ...here.
4162 * config/i386/i386.md: Include constraints.md.
4164 2006-03-21 Jason Merrill <jason@redhat.com>
4166 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4169 * expr.c (init_block_move_fn): Force default visibility.
4170 (init_block_clear_fn): Likewise.
4171 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4172 * targhooks.c (default_external_stack_protect_fail): Likewise.
4174 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4176 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4177 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4178 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4179 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4180 (loadgp): Use mips_current_loadgp_style.
4181 (loadgp_noshared): New pattern.
4182 (sibcall_internal): Use MIPS_CALL.
4183 (sibcall_value_internal): Likewise.
4184 (sibcall_value_multiple_internal): Likewise.
4185 (call_internal): Likewise.
4186 (call_value_internal): Likewise.
4187 (call_value_multiple_internal): Likewise.
4188 (call_split): Use MIPS_CALL and add an 'S' constraint.
4189 (call_value_split): Likewise.
4190 (call_value_multiple_split): Likewise.
4191 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4192 (-mshared): New option.
4193 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4194 (mips_current_loadgp_style): Declare.
4195 * config/mips/mips.c (mips_classify_symbol): Avoid using
4196 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4197 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4198 TARGET_ABSOLUTE_ABICALLS.
4199 (override_options): Adjust comments. Improve the warning that is
4200 issued when -mabicalls and -G are used together.
4201 (mips_file_start): Remove comment.
4202 (mips_current_loadgp_style): New function.
4203 (mips_gnu_local_gp): New variable.
4204 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4206 (mips_output_function_prologue): Use mips_current_laodgp_style.
4207 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4208 the cprestore instruction.
4209 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4210 live for TARGET_ABSOLUTE_ABICALLS.
4211 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4212 (ASM_SPEC): Pass down -mshared and -mno-shared.
4213 (MIPS_CALL): New macro.
4214 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4216 * doc/invoke.texi (-mabicalls): Update documentation.
4217 (-mshared): Document.
4219 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4221 * config/ia64/unwind-hpux.c: New file.
4222 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4224 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4227 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4229 2006-03-21 Jeff Law <law@redhat.com>
4231 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4232 type conversions of a VR_VARYING source to a wider type.
4234 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4236 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4237 tm_file on Solaris 10 and later.
4238 (sparc64-*-solaris2*): Likewise.
4239 (sparc-*-solaris2*): Likewise.
4240 * config/sol26.h: Rename to config/sol2-6.h.
4241 * config/sol2-10.h: New file.
4243 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4246 * tree-ssa-pre.c (create_component_ref_by_pieces):
4249 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4252 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4253 return it immediately.
4255 2006-03-21 Michael Matz <matz@suse.de>
4257 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4259 (remove_arc, add_arc): Update num_out_arcs member.
4260 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4262 (cache_presence): New function.
4263 (compare_states_for_equiv): New function.
4264 (state_is_differed): Don't take number of outargs, adjust callers.
4265 Use new invariant for speeding up.
4266 (init_equiv_class): Create initial classes based on sorted
4268 (partition_equiv_class): Don't track out_arcs_num.
4269 (evaluate_equiv_classes): Call cache_presence on all states and
4272 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4274 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4275 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4276 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4277 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4279 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4280 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4281 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4282 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4283 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4285 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4286 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4287 (REGNO_REG_CLASS): ARGP is in PREGS.
4288 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4290 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4291 to deal with those addresses.
4292 * addresses.h: New file.
4293 * caller-save.c: Include "addresses.h".
4294 (init_caller_save): Use new base_reg_class function.
4295 * rtl-factoring.c: Include "addresses.h".
4296 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4297 * recog.c: Include "addresses.h".
4298 (preprocess_constraints): Use new base_reg_class function.
4299 * regrename.c: Include "addresses.h".
4300 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4301 functions. Keep track of a new var INDEX_CODE to compute valid
4303 (replace_oldest_value_addr): Likewise.
4304 (replace_oldest_value_mem): Use base_reg_class.
4305 * reload.c: Include "addresses.h".
4306 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4307 (find_reloads): Use new base_reg_class function.
4308 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4309 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4310 all callers and prototype changed.
4311 * reload1.c: Include "addresses.h".
4312 (maybe_fix_stack_asms): Use base_reg_class.
4313 * regclass.c: Include "addresses.h".
4314 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4315 (init_reg_autoinc): Use new base_reg_class function.
4316 (record_reg_classes): Likewise.
4317 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4318 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4319 Use new args to compute necessary class.
4321 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4322 regrename.o, rtl-factoring.o): Update dependencies.
4323 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4324 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4325 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4326 REG_OK_FOR_INDEX_P): Delete documentation.
4328 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4330 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4331 from V7 to V9 for Solaris 7 and above.
4333 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4335 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4336 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4337 argument pointers may not alias any other storage.
4338 * common.opt: Define option -fargument-noalias-anything.
4339 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4340 alias semantics is specified by flag_argument_noalias > 2.
4342 2006-03-20 Jeff Law <law@redhat.com>
4344 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4345 (pass_phi_only_cprop): Declare.
4346 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4348 * tree-ssa-dom.c (degenerate_phi_result): New function.
4349 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4350 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4351 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4352 (eliminate_degenerate_phis): Likewise.
4353 (pass_phi_only_cprop): New pass descriptor.
4354 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4355 support code. Callers updated.
4356 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4357 (store_copy_prop): Likewise.
4358 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4360 2006-03-20 Jason Merrill <jason@redhat.com>
4363 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4364 (push_visibility, pop_visibility): Likewise.
4365 * c-pragma.h: Declare them.
4367 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4369 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4371 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4372 parameter and use get_ebb_head_tail.
4373 (sh_md_init_global): Adjust uses of find_regmode_weight.
4375 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4377 * function.h (struct function) <x_tail_recursion_reentry>:
4378 Rename to x_stack_check_probe_note.
4379 (tail_recursion_reentry): Rename to stack_check_probe_note.
4380 * function.c: Replace tail_recursion_reentry with
4381 stack_check_probe_note everywhere.
4382 (expand_function_start): Only emit a note for
4383 stack_check_probe_note with -fstack-protect.
4384 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4386 * emit-rtl.c (remove_unnecessary_notes): Remove.
4387 (pass_remove_unnecessary_notes): Remove.
4388 * rtl.h (remove_unnecessary_notes): Remove prototype.
4389 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4390 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4391 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4393 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4396 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4397 (valid_in_set): Handle ARRAY_REF.
4398 Change "if min_variant or VH" to asserts.
4399 (create_component_ref_by_pieces): Handle ARRAY_REF.
4400 (create_expression_by_pieces): Likewise.
4401 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4403 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4405 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4406 is operand of switch, not str[0].
4408 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4410 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4411 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4413 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4415 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4416 end of insn_extra_address_constraint declaration.
4418 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4420 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4421 (no-sum-in-toc): Same.
4422 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4424 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4425 NO_FP_IN_TOC for -fPIC instead of mask.
4427 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4428 (BOOT_LDFLAGS): Delete.
4430 * config/rs6000/t-aix52: Same.
4432 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4433 (stmsi[345678]_power): New.
4435 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4437 * config/ia64/ia64.opt: Add empty line to end of file.
4439 2006-03-17 Richard Guenther <rguenther@suse.de>
4442 * builtins.c (get_pointer_alignment): For component style references
4443 adjust alignment to the component type alignment. Make sure
4444 to adjust alignment for component access of constants.
4446 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4448 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4451 2006-03-17 Paul Brook <paul@codesourcery.com>
4453 * doc/install.texi: Docuemnt --with-mode.
4454 * config.gcc: Add --with-mode for arm*-*-*.
4455 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4457 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4459 * sh.c (max_labelno_before_reorg): New variable.
4460 (sh_reorg): Initialize it.
4461 (find_barrier): Check max_labelno_before_reorg before using
4462 label_to_alignment. Take length of explicit alignment insns
4463 into account. When seeing a UNSPECV_CONST_END, return it.
4465 * sh.c (fixup_mova): Set mode of affected label to QImode.
4466 (untangle_mova): New function.
4467 (find_barrier): Use it. Check mode of label before decrementing
4469 (sh_reorg): Likewise.
4470 Set mode of all insns back to VOIDmode.
4472 * sh.c (MOVA_LABELREF): New macro.
4473 (mova_p, fixup_mova, sh_reorg): Use it.
4474 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4475 ADDR_DIFF_VEC matches mova.
4477 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4479 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4480 with ATTRIBUTE_UNUSED.
4482 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4484 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4485 pointer, instead of assuming it is possible to derive the
4486 correct args size from a call insn.
4488 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4490 * rtl.h (CONST_INT_P): Define.
4491 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4492 instead of GET_CODE(x) == CONST_INT.
4493 (vax_rtx_costs): Likewise.
4494 (vax_output_int_move): Likewise.
4495 (vax_output_int_add): Likewise.
4496 (legitimate_constant_address_p): Likewise.
4497 (index_term_p): Likewise.
4498 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4499 * config/vax/vax.md (and<mode>3): Likewise.
4500 (ashrsi3): Likewise.
4502 (movstricthi): Likewise.
4503 (movstrictqi): Likewise.
4504 (rotrsi3): Likewise.
4505 (five unnamed insns): Likewise.
4507 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4509 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4510 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4511 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4512 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4513 Pass to ASM_OUTPUT_DWARF_OFFSET.
4514 * dwarf2out.c (debug_frame_section): New.
4515 (output_call_frame_info): Use debug_frame_section. Pass it to
4516 dw2_asm_output_offset.
4517 (output_die): Pass appropriate section to dw2_asm_output_offset.
4518 (output_compilation_unit_header): Likewise.
4519 (output_pubnames): Likewise.
4520 (output_aranges): Likewise.
4521 (enum dw_val_class): Break dw_val_class_lbl_offset into
4522 dw_val_class_lineptr and dw_val_class_macptr.
4523 (add_AT_lbl_offset): Delete.
4524 (add_AT_lineptr): New.
4525 (add_AT_macptr): New.
4526 (AT_lbl): Expect a lineptr or macptr.
4527 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4528 (attr_checksum): Likewise.
4529 (same_dw_val_p): Likewise.
4530 (size_of_die): Likewise.
4531 (value_format): Likewise.
4532 (output_die): Likewise.
4533 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4535 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4536 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4537 * config/darwin-protos.h (darwin_file_start): New.
4538 (darwin_asm_output_dwarf_offset): New.
4539 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4540 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4542 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4543 if not EH section; simplify.
4544 (darwin_file_start): New.
4545 (darwin_asm_output_dwarf_offset): New.
4546 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4548 (DEBUG_INFO_SECTION): Likewise.
4549 (DEBUG_ABBREV_SECTION): Likewise.
4550 (DEBUG_ARANGES_SECTION): Likewise.
4551 (DEBUG_MACINFO_SECTION): Likewise.
4552 (DEBUG_LINE_SECTION): Likewise.
4553 (DEBUG_LOC_SECTION): Likewise.
4554 (DEBUG_PUBNAMES_SECTION): Likewise.
4555 (DEBUG_STR_SECTION): Likewise.
4556 (DEBUG_RANGES_SECTION): Likewise.
4557 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4558 (ASM_OUTPUT_DWARF_OFFSET): New.
4560 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4562 * config.gcc (tm_defines): Always add to previous value rather
4565 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4567 * config/mips/predicates.md (splittable_const_int_operand): New,
4568 split from move_operand.
4569 (splittable_symbolic_operand): New.
4570 (move_operand): Add commentary. Use splittable_const_int_operand.
4571 Inline mips_atomic_symbolic_constant_p.
4572 * config/mips/mips.md: Add combine splitters for handling moves
4573 of splittable_const_int_operands and splittable_symbolic_operands.
4574 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4575 (mips_split_symbol): Declare.
4576 (mips_move_integer): Declare.
4577 * config/mips/mips.c (mips_split_p): Make global.
4578 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4579 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4580 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4581 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4582 (mips_offset_within_object_p): Handle block symbols.
4583 (mips_atomic_symbolic_constant_p): Delete.
4584 (mips_cannot_force_const_mem): Return false for constants that
4585 mips_legitimize_move can handle.
4586 (mips_use_blocks_for_constant_p): New function.
4587 (mips_split_symbol): Make global.
4588 (mips_move_integer): Likewise. Add a temporary register argument.
4589 (mips_legitimize_const_move): Use splittable_const_int_operand and
4590 splittable_symbolic_operand.
4591 (mips_use_anchors_for_symbol_p): New function.
4592 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4593 (mips_split_p): Declare.
4595 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4597 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4598 (mips*-*-linux*): Likewise.
4600 2006-03-16 Roger Sayle <roger@eyesopen.com>
4601 Daniel Speyer <dspeyer@wam.umd.edu>
4604 * tree-dump.c (dump_real): New function.
4605 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4606 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4607 (tree-dump.o): Add $(REAL_H) to the dependencies.
4609 2006-03-16 Roger Sayle <roger@eyesopen.com>
4612 * real.c (real_from_string): If the mantissa is zero, don't bother
4613 parsing the exponent as the result should always be zero.
4615 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4617 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4619 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4621 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4622 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4623 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4624 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4625 ia64_sched_finish_global): New static functions to implement
4626 hooks from gcc_target.sched.
4627 (spec_check_no, max_uid, pending_data_specs): New static variables.
4628 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4629 ia64_spec_check_src_p): New static functions.
4630 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4631 (TARGET_SCHED_ADJUST_COST): Removed.
4632 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4633 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4634 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4635 TARGET_SCHED_GEN_CHECK,
4636 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4637 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4638 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4639 Fixed to handle speculation checks.
4640 (rtx_needs_barrier): Fixed to handle speculative loads and
4642 (ia64_variable_issue): Added code to count speculative loads and their
4644 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4646 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4648 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4650 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4651 (ia64_reorg): Reset stops_p to NULL after it is freed.
4652 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4653 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4654 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4656 (data_speculative, control_speculative, check_load): New attributes.
4657 (mov<mode>_advanced, mov<mode>_speculative,
4658 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4659 zero_extend<mode>di2_speculative,
4660 zero_extend<mode>di2_speculative_advanced): New patterns for
4661 data and control speculative loads.
4662 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4664 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4665 New pattern for data and control speculation checks.
4666 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4667 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4668 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4669 Auxiliary definitions for the patterns.
4670 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4671 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4673 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4675 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4676 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4677 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4678 New resource constraints.
4679 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4681 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4682 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4683 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4684 msched-in-control-spec, msched-ldc, msched-control-ldc,
4685 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4686 msched-prefer-non-control-spec-insns,
4687 msched-count-spec-in-critical-path): New flags to tune speculative
4689 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4690 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4691 msched-in-control-spec, msched-ldc, msched-control-ldc,
4692 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4693 msched-prefer-non-control-spec-insns,
4694 msched-count-spec-in-critical-path): Document new flags.
4696 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4698 * target.h (struct spec_info_def): New opaque declaration.
4699 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4700 speculate_insn, needs_block_p, gen_check,
4701 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4702 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4703 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4704 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4705 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4706 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4708 (TARGET_SCHED): Use new macros.
4709 * rtl.h (copy_DEPS_LIST_list): New prototype.
4710 * sched-int.h (struct sched_info): Change signature of new_ready field,
4711 adjust all initializations. New fields: add_remove_insn,
4712 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4713 region_head_or_leaf_p.
4714 (struct spec_info_def): New structure declaration.
4715 (spec_info_t): New typedef.
4716 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4717 recovery_block, orig_pat.
4718 (glat_start, glat_end): New variables declaraions.
4719 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4721 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4722 DETACH_LIFE_INFO, USE_GLAT.
4723 (enum SPEC_SCHED_FLAGS): New enumeration.
4724 (NOTE_NOTE_BB_P): New macro.
4725 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4726 attach_life_info, debug_spec_status, check_reg_live): New functions.
4727 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4728 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4730 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4731 * ddg.c (get_block_head_tail): Adjust all uses.
4732 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4733 (sms_sched_info): Initialize new fields.
4734 (contributes_to_priority): Removed.
4735 * haifa-sched.c (params.h): New include.
4736 (get_block_head_tail): Adjust all uses.
4737 (ISSUE_POINTS): New macro.
4738 (glat_start, glat_end): New global variables.
4739 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4740 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4741 old_last_basic_block, before_recovery, current_sched_info_var,
4742 rgn_n_insns, luid): New static variables.
4743 (insn_cost1): New function. Move logic from insn_cost to here.
4744 (find_insn_reg_weight1): New function. Move logic from
4745 find_insn_reg_weight to here.
4746 (reemit_notes, move_insn, max_issue): Change signature.
4747 (move_insn1): Removed.
4748 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4749 extend_bb): New static functions to support extension of scheduler's
4751 (generate_recovery_code, process_insn_depend_be_in_spec,
4752 begin_speculative_block, add_to_speculative_block,
4753 init_before_recovery, create_recovery_block, create_check_block_twin,
4754 fix_recovery_deps): New static functions to support
4755 generation of recovery code.
4756 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4757 restore_bb_notes, move_block_after_check, move_succs): New static
4758 functions to support ebb scheduling.
4759 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4760 functions to support handling of register live information.
4761 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4762 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4763 add_jump_dependencies): New static functions.
4764 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4765 consistancy checking.
4766 (debug_spec_status): New function to call from debugger.
4767 (priority): Added code to handle speculation checks.
4768 (rank_for_schedule): Added code to distinguish speculative instructions.
4769 (schedule_insn): Added code to handle speculation checks.
4770 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4771 Fixed to handle ebbs.
4772 (move_insn): Added code to handle ebb scheduling.
4773 (max_issue): Added code to use ISSUE_POINTS of instructions.
4774 (choose_ready): Added code to choose between speculative and
4775 non-speculative instructions.
4776 (schedule_block): Added code to handle ebb scheduling and scheduling of
4777 speculative instructions.
4778 (sched_init): Initialize new variables.
4779 (sched_finish): Free new variables. Print statistics.
4780 (try_ready): Added code to handle speculative instructions.
4781 * lists.c (copy_DEPS_LIST_list): New function.
4782 * sched-deps.c (extend_dependency_caches): New function. Move logic
4783 from create_dependency_caches to here.
4784 (get_dep_weak, ds_merge): Make global.
4785 * genattr.c (main): Code to output prototype for
4786 dfa_clear_single_insn_cache.
4787 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4788 (output_dfa_clean_insn_cache_func): Code to output
4789 dfa_clear_single_insn_cache function.
4790 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4792 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4794 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4795 New static variables.
4796 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4797 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4799 (ebb_sched_info): Initialize new fields.
4800 (get_block_head_tail): Adjust all uses.
4801 (compute_jump_reg_dependencies): Fixed to use glat_start.
4802 (schedule_ebb): Code to remove unreachable last block.
4803 (schedule_ebbs): Added code to update register live information.
4804 * sched-rgn.c (region_sched_info): Initialize new fields.
4805 (get_block_head_tail): Adjust all uses.
4806 (last_was_jump): Removed. Adjust users.
4807 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4808 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4809 Implement new hooks.
4810 (check_dead_notes1): New static function.
4811 (struct region): New fields: dont_calc_deps, has_real_ebb.
4812 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4813 (BB_TO_BLOCK): Fixed to handle EBBs.
4814 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4815 (ebb_head): New static variable.
4816 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4817 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4819 (compute_dom_prob_ps): New assertion.
4820 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4821 global_live_at_start.
4822 (init_ready_list): New assertions.
4823 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4824 (new_ready): Add support for BEGIN_CONTROL speculation.
4825 (schedule_insns): Fixed code that updates register live information
4827 (schedule_region): Fixed to handle EBBs.
4828 (init_regions): Use extend_regions and check_dead_notes1.
4829 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4830 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4831 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4832 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4833 TARGET_SCHED_GEN_CHECK,
4834 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4835 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4836 * doc/invoke.texi (max-sched-insn-conflict-delay,
4837 sched-spec-prob-cutoff): Document.
4839 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4841 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4842 inter_tick, queue_index.
4843 (struct sched_info): Change signature of init_ready_list field.
4844 Adjust all initializations.
4845 (RESOLVED_DEPS): New access macro.
4846 (ready_add): Remove prototype.
4847 (try_ready): Add prototype.
4848 * sched-rgn.c (init_ready_list): Use try_ready.
4849 (schedule_region): Initialize
4850 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4851 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4852 (init_ready_list): Use try_ready.
4853 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4854 * lists.c (remove_list_elem): Remove `static'.
4855 (remove_free_INSN_LIST_elem): New function.
4856 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4857 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4858 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4860 (readyp): New variable.
4861 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4862 change_queue_index, resolve_dep): New static functions.
4863 (try_ready): New function. Adjust callers in sched-rgn.c and
4864 sched-ebb.c to use it instead of ready_add.
4865 (clock_var): Move at the begining of file.
4866 (rank_for_schedule): Fix typo.
4867 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4868 (ready_lastpos): Enforce assertion.
4869 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4871 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4872 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4873 (queue_to_ready): Use free_INSN_LIST_list.
4874 (early_queue_to_ready): Fix typo.
4875 (schedule_block): Init readyp. Move init_ready_list call after the
4876 initialization of clock_var. Fix error in rejecting insn by
4877 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4878 that previously corrected INSN_TICKs. Add code for handling
4880 (set_priorities): Fix typo.
4881 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4882 Clarify comment and code that keeps current_sched_info->next_tail
4885 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4887 * sched-rgn.c (extend_rgns): New static function.
4888 (find_rgns): Use it.
4889 (gather_region_statistics, print_region_statistics): New static
4891 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4892 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4895 Andrey Belevantsev <abel@ispras.ru>
4897 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4898 * lists.c (unused_deps_list): New variable.
4899 (free_list): Add assertions to verify the proper distinguishing
4900 between INSN_LISTs and DEPS_LISTs.
4901 (find_list_elem, remove_list_elem, remove_list_node): New static
4903 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4904 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4905 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4906 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4908 (free_INSN_LIST_node): Likewise.
4909 * modulo-sched.c (current_sched_info): Initialize flags field.
4910 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4911 * rtl.def (DEPS_LIST): Define.
4912 * rtl.h: Declare new functions from lists.c.
4913 * sched-deps.c (spec_dependency_cache): New static variable.
4914 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4915 (add_dependence): Change return type to void. Move the logic to ...
4916 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4917 (delete_all_dependences): Add comment about forward_dependency_cache.
4918 Handle spec_dependency_cache. Handle DEPS_LISTs.
4919 (fixup_sched_groups): Clarify the change of priority of output
4920 and anti dependencies.
4921 (sched_analyze_2): Adjust add_dependence calls to create data
4922 speculative dependence.
4923 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4924 Adjust all callers. Handle DEPS_LISTS.
4925 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4926 presence of speculation.
4927 (init_dependency_caches, free_dependency_caches):
4928 Handle spec_dependency_cache.
4929 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4930 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4931 New static functions.
4932 (add_or_update_back_dep, add_or_update_back_forw_dep,
4933 add_back_forw_dep, delete_back_forw_dep): New functions.
4934 * sched-int.h (ds_t, dw_t): New typedefs.
4935 (struct sched_info): Add new field flags.
4936 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4937 Prototype new sched-deps.c functions.
4938 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4939 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4940 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4941 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4942 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4943 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4945 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4947 * sched-rgn.c (current_sched_info): Initialize flags field.
4948 (schedule_insns): Initialize current_sched_info before the sched_init
4950 * sched-ebb.c (current_sched_info): Initialize flags field.
4951 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4952 Call add_or_update_back_dep instead of add_dependence.
4953 Create control speculative dependencies.
4954 (schedule_insns): Initialize current_sched_info before the sched_init
4957 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4959 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4961 (sh_fallback_frame_state): Likewise.
4963 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4965 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4966 Do switch on default_use_cxa_atexit.
4967 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4968 * config/darwin-crt3.o: New.
4969 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4970 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4971 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4973 * config/rs6000/t-darwin: Move crt2.o building to here.
4974 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4975 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4978 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4980 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4981 from '! xxx' to '!xxx' for coding-style conformance.
4982 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4983 (EXTRA_CONSTRAINT): Likewise.
4984 * config/vax/vax.md (four unnamed insns): Likewise.
4986 2006-03-15 Paul Brook <paul@codesourcery.com>
4988 * config/arm/arm.c (minipool_pad): New.
4989 (add_minipool_forward_ref): Include pool alignment padding in address
4991 (push_minipool_fix): Set minipool_pad.
4992 (minipool_pad): Ditto.
4994 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4996 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4997 instead of GET_CODE() == MEM and REG_P() instead of
4999 (print_operand_address): Likewise.
5000 (vax_address_cost): Likewise.
5001 (vax_rtx_costs): Likewise.
5002 (vax_notice_update_cc): Likewise.
5003 (vax_output_int_add): Likewise.
5004 (INDEX_REGISTER_P): Likewise.
5005 (BASE_REGISTER_P): Likewise.
5006 (nonindexed_address_p): Likewise.
5007 (vax_mode_dependent_address_p): Likewise.
5008 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5009 (PRINT_OPERAND): Likewise.
5010 * config/vax/vax.md (ashlsi3): Likewise.
5011 (ashlsi3): Likewise.
5012 (some more unnamed insns): Likewise.
5014 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5016 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5017 iterator-style macro.
5018 (mark_control_dependent_edges_necessary): Update the use of
5019 EXECUTE_IF_CONTROL_DEPENDENT.
5021 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5023 * config/sh/predicates.md (cache_address_operand): Special.
5024 (ua_address_operand): Likewise.
5026 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5028 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5030 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5032 2006-03-15 Andreas Schwab <schwab@suse.de>
5034 * gensupport.c (identify_predicable_attribute): Don't free p_false
5035 when it is still in use.
5037 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5039 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5040 the default setting here.
5042 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5044 * tree-pass.h (pass_cfg): Remove.
5045 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5046 * passes.c (pass_cfg): Don't run it.
5048 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5050 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5051 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5053 (stack_regs_mentioned): Update the uses of
5054 stack_regs_mentioned_data. Don't access the array beyond its
5056 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5057 Don't include gt-reg-stack.h.
5059 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5060 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5062 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5065 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5068 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5070 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5072 2006-03-14 Richard Guenther <rguenther@suse.de>
5074 PR tree-optimization/26672
5075 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5078 2006-03-14 Richard Guenther <rguenther@suse.de>
5080 PR tree-optimization/26667
5081 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5082 node for the callees. Always allow inlining if it will shrink
5085 2006-03-14 Richard Guenther <rguenther@suse.de>
5088 * builtins.c (get_pointer_alignment): Prefer alignment
5089 information from decls over that from types.
5091 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5094 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5096 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5098 * config/rs6000/rs6000.opt (mdlmzb): New option.
5099 (msched-prolog, msched-epilog): Use Var not Mask.
5100 * doc/invoke.texi (-mdlmzb): Document.
5101 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5103 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5104 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5106 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5108 PR rtl-optimization/25739
5109 * bt-load.c (augment_live_range): Free tos pointer.
5111 * gensupport.c (identify_predicable_attribute): Free
5113 * gcov.c (create_file_names): Free name pointer.
5115 2006-03-13 Roger Sayle <roger@eyesopen.com>
5118 * stmt.c (emit_case_nodes): Handle the case where the index is a
5119 CONST_INT, where the comparison mode is specified by the index type.
5121 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5123 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5126 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5128 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5129 (*branch_fp_inverted): Likewise.
5131 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5134 * omp-low.c (expand_omp_for_generic): Mark istart0
5135 and iend0 as addressable.
5137 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5139 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5141 2006-03-13 Jeff Law <law@redhat.com>
5143 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5144 virtual operands are interesting.
5145 (vrp_visit_stmt): Corresponding changes.
5147 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5149 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5151 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5152 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5153 * config/bfin/crti.S: Use it instead of __PIC__.
5154 * config/bfin/crtn.S: Likewise.
5156 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5157 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5159 Lose 'G' modifier for call operand.
5160 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5161 recognize 'G' modifier.
5163 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5166 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5167 * stmt.c (expand_case): Likewise.
5169 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5171 PR rtl-optimization/26254
5172 * loop-invariant.c (seq_insns_valid_p): New function.
5173 (move_invariant_reg): Only emit new code if it is valid.
5175 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5177 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5179 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5180 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5181 (commit_one_edge_insertion): Do not look for loop notes.
5183 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5185 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5186 flag_test_coverage out of loop.
5188 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5190 * final.c (shorten_branches): Remove outdated comment, and turn
5191 the if branch that guards it to continue.
5193 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5195 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5196 * cfgloop.h (struct loop): Remove unused fields.
5198 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5200 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5201 (-dL, -fdump-rtl-loop2): Update the dump file names
5203 * doc/invoke.texi: Update dump file names.
5205 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5207 * predict.c (estimate_probability): Remove.
5208 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5209 * basic-block.h (estimate_probability): Remove prototype.
5210 * passes.c (finish_optimization_passes): Dump branch prediction or
5211 profiling heuristics to the .profile tree dump.
5212 (init_optimization_passes): Unqueue pass_branch_prob.
5214 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5216 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5218 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5219 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5221 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5223 * function.h (frame_offset_overflow): Declare.
5224 * function.c (frame_offset_overflow): New function.
5225 (assign_stack_local_1): Call it to detect that the offset overflows.
5226 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5228 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5230 * config/sh/sh.c: Include alloc-pool.h.
5231 (label_ref_list_pool): New alloc pool.
5232 (label_ref_list_t): New type for lists of labels.
5233 (struct pool_node): Make wend a label_ref_list_t.
5234 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5236 (dump_table): Likewise.
5237 (sh_reorg): Set up the alloc pool before using add_constant and
5238 dump_table, and destroy it when finishing.
5240 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5242 * config/mips/mips.c: Remove redundant comment.
5244 2006-03-10 Jason Merrill <jason@redhat.com>
5247 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5248 the target was declared 'register'.
5250 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5252 * genpreds.c (write_insn_constraint_len): Change definition of
5253 insn_constraint_len to return size_t to match the declaration.
5255 2006-03-10 DJ Delorie <dj@redhat.com>
5257 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5259 (m32c_expand_insv): Fix test for an AND mask.
5261 2006-03-10 Richard Guenther <rguenther@suse.de>
5264 * builtins.c (get_pointer_alignment): Handle component
5265 references for field alignment.
5267 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5269 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5270 when building with libgloss.
5271 (sh*elf): Implement --without-fp option.
5272 (sh64-superh-linux*): Don't multilib.
5274 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5276 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5278 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5280 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5281 Set it when one of the replacement functions returned true.
5282 Return TODO_cleanup_cfg if cfgchanged is true.
5283 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5285 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5287 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5288 instead of gen_lowpart.
5290 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5292 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5294 (mips_output_order_conditional_branch): Declare.
5295 * config/mips/mips.h (MIPS_BRANCH): New macro.
5296 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5297 for the comparison. Use gen_condjump.
5298 (mips_output_conditional_branch): Rework interface to take the
5299 asm templates for a direct branch and the inverse of a direct branch.
5300 (mips_output_order_conditional_branch): New function.
5301 (mips_builtin_branch_and_move): New function.
5302 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5303 branch condition. Use gen_single_cc as the condition for
5304 __builtin_mips_upper_* or __builtin_mips_lower_*.
5305 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5306 Use VOIDmode for the branch condition.
5307 * config/mips/predicates.md (order_operator): New predicate.
5308 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5309 (branch_fp): Rename to...
5310 (*branch_fp): ...this. Remove mode from comparison operator.
5311 Use new mips_output_conditional_branch interface.
5312 (branch_fp_inverted): Rename to...
5313 (*branch_fp_inverted): ...this and update as for *branch_fp.
5314 (*branch_zero<mode>): Rename to...
5315 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5316 Use mips_output_order_conditional_branch. Only accept ordered
5318 (*branch_zero<mode>_inverted): Rename to...
5319 (*branch_order<mode>_inverted): ...this and update as for
5320 *branch_order<mode>.
5321 (*branch_equality<mode>): Accept zero as the second operand to
5322 the equality operator. Use the new mips_output_conditional_branch
5324 (*branch_equality<mode>_inverted): Likewise.
5325 (condjump): New expander.
5326 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5328 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5329 (bc1any2t, bc1any2f): Likewise.
5330 (single_cc): New expander.
5331 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5333 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5335 * doc/md.texi: Update documentation of MIPS constraints.
5336 * config/mips/constraints.md: New file.
5337 * config/mips/mips.md: Include it.
5338 * config/mips/mips.c (mips_char_to_class): Delete.
5339 (override_options): Don't initialize mips_char_to_class.
5340 * config/mips/mips.h (mips_char_to_class): Delete.
5341 (REG_CLASS_FROM_LETTER): Delete.
5342 (CONST_OK_FOR_LETTER_P): Delete.
5343 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5344 (EXTRA_CONSTRAINT_Y): Delete.
5345 (EXTRA_CONSTRAINT_STR): Delete.
5346 (CONSTRAINT_LEN): Delete.
5347 (EXTRA_MEMORY_CONSTRAINT): Delete.
5349 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5351 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5352 original fn's eh regions.
5354 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5356 * fold-const.c (build_range_check): Make sure to use a valid type to
5357 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5360 (range_predecessor): New static function.
5361 (range_successor): Likewise.
5362 (merge_ranges): Use them to compute predecessors and successors of
5365 2006-03-09 Roger Sayle <roger@eyesopen.com>
5368 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5369 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5371 2006-03-08 DJ Delorie <dj@redhat.com>
5373 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5374 (addpsi3): Expand to include memory operands. Remove
5375 reload-specific splits.
5376 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5377 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5378 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5379 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5380 (shift1_qi, shift1_hi, insv): New.
5381 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5382 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5383 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5385 * config/m32c/m32c-protos.h: Update as needed.
5386 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5387 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5388 Fail for unrecognized R* constraints.
5389 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5390 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5391 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5393 (m32c_init_libfuncs): New.
5394 (m32c_legitimate_address_p): Add debug wrapper.
5395 (m32c_rtx_costs): New.
5396 (m32c_address_cost): New.
5397 (conversions): Add 'B' prefix.
5398 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5399 operands, or word regnames for QI operands. 'B' prints bit
5401 (m32c_expand_setmemhi): New.
5402 (m32c_expand_movmemhi): New.
5403 (m32c_expand_movstr): New.
5404 (m32c_expand_cmpstr): New.
5405 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5406 (m32c_expand_neg_mulpsi3): Handle non-ints.
5407 (m32c_cmp_flg_0): New.
5408 (m32c_expand_movcc): New.
5409 (m32c_expand_insv): New.
5410 (m32c_scc_pattern): New.
5411 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5412 a0/a1 out of SIregs.
5413 (STORE_FLAG_VALUE): New.
5414 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5417 * config/m32c/mov.md: Make constraints more liberal.
5418 (zero_extendqihi2): Optimize r0/r1 case.
5419 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5420 * config/m32c/predicates.md (m32c_any_operand): New.
5421 (m32c_nonimmediate_operand): New.
5422 (m32c_hl_operand): New.
5423 (m32c_r3_operand): New.
5426 (memsym_operand): New.
5427 (memimmed_operand): New.
5428 (a_qi_operand): New.
5429 (m32c_eqne_operator): New.
5430 (m32c_1bit8_operand): New.
5431 (m32c_1bit16_operand): New.
5432 (m32c_1mask8_operand): New.
5433 (m32c_1mask16_operand): New.
5434 * config/m32c/blkmov.md: New file.
5435 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5437 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5439 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5440 unsigned to fix signed/unsigned comparison issue in
5441 DWARF2_FRAME_REG_OUT.
5442 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5443 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5445 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5446 of ptr into the ENABLE_CHECKING section.
5448 2006-03-08 Jeff Law <law@redhat.com>
5450 * tree-vrp.c (infer_value_range): Only count pointer uses
5451 and dereferences if -fdelete-null-pointer-checks is enabled.
5453 * tree-vrp.c (find_assert_locations): Infer value ranges for
5454 single use pointers, but do not create ASSERT_EXPRs for them.
5455 When a non-null range is inferred for a pointer, backwards
5456 propagate that range to other equivalent pointers through the
5459 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5462 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5463 language hook targets.
5464 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5465 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5466 if language hook targets were missing.
5468 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5470 * tree-ssa-opfinalize.h: Removed.
5471 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5473 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5474 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5475 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5476 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5477 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5478 finalize_ssa_v_must_def_ops): New.
5480 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5482 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5485 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5487 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5489 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5490 addresses with offsets; reorganize.
5492 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5493 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5494 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5496 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5499 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5501 2006-03-08 Ben Elliston <bje@au.ibm.com>
5503 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5505 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5508 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5511 2006-03-07 Richard Guenther <rguenther@suse.de>
5513 PR tree-optimization/26587
5514 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5516 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5518 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5520 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5522 * hooks.c (hook_bool_mode_rtx_true): New function.
5523 * hooks.h (hook_bool_mode_rtx_true): Declare.
5524 * toplev.c (compile_file): Call output_shared_constant_pool.
5525 * varasm.c (shared_constant_pool): New variable.
5526 (assemble_start_function, assemble_end_function): Remove arguments
5527 from call to output_constant_pool.
5528 (create_constant_pool): New function, split out from...
5529 (init_varasm_status): ...here.
5530 (force_const_mem): Choose between the shared and per-function constant
5531 pools. Set current_function_uses_const_pool when reusing old entries
5532 as well as when creating new ones.
5533 (mark_constant): Ignore data argument.
5534 (mark_constants): Remove pool argument.
5535 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5536 to decide whether the function uses a constant pool.
5537 (output_constant_pool_contents): New function, split out from...
5538 (output_constant_pool): ...here.
5539 (output_shared_constant_pool): New function.
5540 (init_varasm_once): Initialize shared_constant_pool.
5541 * output.h (output_constant_pool): Delete.
5542 (output_shared_constant_pool): Declare.
5543 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5544 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5546 2006-03-06 Nick Clifton <nickc@redhat.com>
5548 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5549 flag_strength_reduce.
5551 2006-03-06 Ben Elliston <bje@au.ibm.com>
5553 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5554 x86_64-*-linux* configurations.
5556 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5557 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5559 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5561 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5563 * basic-block.h: Remove the extern for
5564 rediscover_loops_after_threading.
5566 * cfgloop.c (cancel_loop): Make it static.
5567 * cfgloop.h: Remove the prototype for cancel_loop.
5569 * flow.c (recompute_reg_usage): Make it static.
5570 * rtl.h: Remove the prototype for recompute_reg_usage.
5572 * function.c (use_return_register): Make it static.
5573 * function.h: Remove the prototype.
5575 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5577 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5579 * recog.h: Remove the prototype for
5580 validate_change_maybe_volatile.
5582 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5584 * rtlanal.c (replace_reg): Remove.
5585 * rtl.h: Remove the prototype for replace_reg.
5587 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5589 * regclass.c (reg_scan_update): Remove.
5590 (reg_scan_mark_refs): Remove the last argument.
5591 * rtl.h: Remove the prototype for reg_scan_update.
5593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5595 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5596 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5597 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5598 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5599 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5600 loop-invariant.c, omp-low.c, opts.c, passes.c,
5601 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5602 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5603 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5604 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5605 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5606 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5610 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5611 * dwarf2out.h: Remove the prototype for
5612 dwarf2out_add_library_unit_info.
5614 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5616 * tree.c (add_var_to_bind_expr): Remove.
5617 * tree.h: Remove the prototype for add_var_to_bind_expr.
5619 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5621 * regclass.c (n_non_fixed_regs): Remove.
5622 (init_reg_sets_1, globalize_reg): Remove all uses of
5624 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5628 * rtlanal.c (insns_safe_to_move_p): Remove.
5629 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5633 * expmed.c (expand_mult_add): Remove.
5634 * expr.h: Remove the prototype for expand_mult_add.
5636 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5638 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5639 and REG_SAVED_VAL_EXP constants.
5640 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5641 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5642 Handle regs stored by value.
5643 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5644 (execute_cfa_program): Handle DW_CFA_val_offset,
5645 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5646 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5647 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5648 (uw_install_context_1): Handle target regs stored by value.
5650 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5652 * tree-sra.c (tree_sra): Return todoflags;
5653 (generate_one_element): Set TODO_update_smt_usage if needed.
5654 (pass_sra): Remove TODO_update_smt_usage.
5655 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5657 (tree_ssa_forward_propagate_single_use_vars): Return
5658 TODO_update_smt_usage if we need to update SMT usage.
5659 (pass_forwprop): Remove TODO_update_smt_usage.
5661 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5663 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5664 (correct_use_link): Remove reference to get_stmt_operands.
5665 (update_stmt_operands): Likewise.
5666 (get_modify_expr_operands): New function factored out of
5667 parse_ssa_operands and get_expr_operands.
5668 Try to create V_MUST_DEFs for LHS by default.
5669 (get_expr_operands) <case MODIFY_EXPR>: Call
5670 get_modify_expr_operands.
5671 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5672 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5673 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5674 get_modify_expr_operands.
5676 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5678 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5679 * tree-flow.h: Remove the prototype for
5680 referenced_var_lookup_if_exists.
5682 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5684 PR rtl-optimization/26345
5686 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5688 2006-03-03 Roger Sayle <roger@eyesopen.com>
5690 PR tree-optimization/26524
5691 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5692 fold_convert to create a constant of the appropriate type.
5694 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5696 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5697 SYMBOL_REF_IN_BLOCK_P.
5698 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5699 of SYMBOL_FLAG_IN_BLOCK.
5700 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5701 instead of SYMBOL_REF_IN_BLOCK_P.
5702 * explow.c (use_anchored_address): Likewise.
5703 * rtl.c (rtx_size): Likewise.
5704 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5705 instead of SYMBOL_FLAG_IN_BLOCK.
5706 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5707 SYMBOL_REF_IN_BLOCK_P.
5708 (assemble_variable): Likewise.
5709 (output_constant_def_contents): Likewise.
5710 (output_constant_pool): Likewise.
5711 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5712 instead of SYMBOL_FLAG_IN_BLOCK.
5713 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5714 SYMBOL_REF_IN_BLOCK_P.
5715 (SYMBOL_REF_BLOCK): Likewise.
5716 (SYMBOL_REF_OFFSET): Likewise.
5717 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5718 SYMBOL_REF_IN_BLOCK_P.
5719 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5720 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5721 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5722 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5724 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5726 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5728 2006-03-02 Roger Sayle <roger@eyesopen.com>
5730 * simplify-rtx.c (simplify_unary_operation): When simplifying
5731 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5732 that we perform the right shift in the appropriate mode, and
5733 then extend or truncate the result to requested mode.
5735 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5737 * gengtype.c (main): Handle double_int type.
5738 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5739 * double-int.c: New file.
5740 * double-int.h: New file.
5741 * system.h: Include doubleint.h.
5742 * Makefile.in (SYSTEM_H): Include double-int.h.
5743 (double-int.o): Add.
5745 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5748 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5751 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5753 * tree-vrp.c (remove_range_assertions): Do not update statements
5756 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5758 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5760 * gcse.c (rest_of_handle_gcse): Ditto.
5761 * except.c (gate_handle_eh): Ditto.
5762 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5763 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5765 2006-03-02 Eric Christopher <echristo@apple.com>
5767 * config/i386/i386.c (machopic_output_stub): Add indirection to
5770 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5774 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5776 Sun Niagara specific optimizations.
5777 * config.gcc: Recognize niagara as target.
5778 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5779 (TARGET_CPU_niagara): Define.
5780 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5781 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5782 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5783 (ASM_CPU_SPEC): Likewise.
5784 (PROCESSOR_NIAGARA): New enum entry.
5785 (REGISTER_MOVE_COST): Handle Niagara.
5786 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5787 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5788 (sparc_override_options): Recognize "niagara", set appropriate
5789 default MASK_* values for it, and align functions to 32-bytes
5790 by default just like ULTRASPARC/ULTRASPARC3.
5791 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5792 (sparc64_initialize_trampoline): Likewise.
5793 (sparc_use_sched_lookahead): Use zero for niagara.
5794 (sparc_issue_rate): Use one for niagara.
5795 * config/sparc/niagara.md: New file.
5796 * config/sparc/sparc.md: Include it.
5797 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5798 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5799 when default cpu is niagara.
5800 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5801 (ASM_CPU_SPEC): Likewise.
5802 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5803 when default cpu is niagara.
5804 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5805 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5806 just like v9/ultrasparc/ultrasparc3.
5807 * doc/invoke.texi: Add documentation for "niagara" and improve
5808 existing documentation for ultrasparc variants.
5810 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5812 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5814 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5816 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5817 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5818 and say that only one is needed.
5819 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5820 * target.h (have_switchable_bss_sections): New hook.
5821 * explow.c (use_anchored_address): Check that the symbol is in a block.
5822 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5823 (bss_noswitch_section): New variables.
5824 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5825 (get_noswitch_section): New function.
5826 (get_block_for_section): Allow SECT to be null.
5827 (unlikely_text_section_p): Use SECTION_STYLE.
5828 (bss_initializer_p): New function.
5829 (get_variable_section): Move earlier in file. Take a new argument,
5830 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5831 Return one of the new *_sections in such cases.
5832 (get_block_for_decl): New function, extracting some logic from
5833 use_blocks_for_decl_p.
5834 (change_symbol_section): Remove in favor of...
5835 (change_symbol_block): ...this new function.
5836 (use_blocks_for_decl_p): Remove checks now performed by
5838 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5839 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5840 (emit_local, emit_bss, emit_common): ...these new functions.
5841 Return true if the alignment was honored.
5842 (emit_tls_common): New function.
5843 (asm_emit_uninitialised): Delete.
5844 (assemble_variable_noswitch): New function, split out from...
5845 (assemble_variable): ...here. Don't make decisions about common
5846 variables here. Globalize all public decls that go into non-common
5847 sections. Check whether SYMBOL_REF_BLOCK is null.
5848 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5849 (output_constant_pool): Likewise.
5850 (init_varasm_once): Initialize the new section variables.
5851 (have_global_bss_p): New function.
5852 (categorize_decl_for_section): Use bss_initializer_p.
5853 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5854 (place_block_symbol): Assert that the symbol must be in a block.
5855 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5856 (TARGET_INITIALIZER): Include it.
5857 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5858 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5859 (SECTION_MACH_DEP): Bump by two.
5860 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5861 (unnamed_section): Mention SECTION_UNNAMED in comment.
5862 (named_section): Likewise SECTION_NAMED.
5863 (noswitch_section_callback): New type.
5864 (noswitch_section): New structure.
5865 (section): Add a noswitch_section alternative.
5866 (SECTION_STYLE): New macro.
5867 (tls_comm_section, comm_section, lcomm_section): Declare.
5868 (bss_noswitch_section, have_global_bss_p): Declare.
5869 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5870 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5872 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5873 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5876 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5878 * tree-vrp.c (execute_vrp): Return value.
5879 * regrename.c (rest_of_handle_regrename): Ditto.
5880 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5881 * tree-complex.c (tree_lower_complex): Ditto.
5882 (tree_lower_complex_O0): Ditto.
5883 * tracer.c (rest_of_handle_tracer): Ditto.
5884 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5885 * postreload.c (rest_of_handle_postreload): Ditto.
5886 * tree-tailcall.c (execute_tail_recursion): Ditto.
5887 (execute_tail_calls): Ditto.
5888 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5889 * tree.h (init_function_for_compilation): Ditto.
5890 * ipa-cp.c (ipcp_driver): Ditto.
5891 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5892 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5893 * final.c (compute_alignments): Ditto.
5894 (rest_of_handle_final): Ditto.
5895 (rest_of_handle_shorten_branches): Ditto.
5896 (rest_of_clean_state): Ditto.
5897 * omp-low.c (execute_expand_omp): Ditto.
5898 (execute_lower_omp): Ditto.
5899 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5900 * ipa-reference.c (static_execute): Ditto.
5901 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5902 * reorg.c (rest_of_handle_delay_slots): Ditto.
5903 (rest_of_handle_machine_reorg): Ditto.
5904 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5905 * flow.c (recompute_reg_usage): Ditto.
5906 (rest_of_handle_remove_death_notes): Ditto.
5907 (rest_of_handle_life): Ditto.
5908 (rest_of_handle_flow2): Ditto.
5909 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5910 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5911 (do_ssa_store_ccp): Ditto.
5912 (execute_fold_all_builtins): Ditto.
5913 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5914 * modulo-sched.c (rest_of_handle_sms): Ditto.
5915 * ipa-pure-const.c (static_execute): Ditto.
5916 * cse.c (rest_of_handle_cse): Ditto.
5917 (rest_of_handle_cse2): Ditto.
5918 * web.c (rest_of_handle_web): Ditto.
5919 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5920 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5921 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5922 * tree-nrv.c (tree_nrv): Ditto.
5923 (execute_return_slot_opt): Ditto.
5924 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5925 (create_structure_vars): Ditto.
5926 * loop-init.c (rtl_loop_init): Ditto.
5927 (rtl_loop_done): Ditto.
5928 (rtl_move_loop_invariants): Ditto.
5929 (rtl_unswitch): Ditto.
5930 (rtl_unroll_and_peel_loops): Ditto.
5931 (rtl_doloop): Ditto.
5932 * gimple-low.c (lower_function_body): Ditto.
5933 (mark_used_blocks): Ditto.
5934 * tree-ssa-sink.c (execute_sink_code): Ditto.
5935 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5936 (cgraph_early_inlining): Ditto.
5937 * global.c (rest_of_handle_global_alloc): Ditto.
5938 * jump.c (cleanup_barriers): Ditto.
5939 (purge_line_number_notes): Ditto.
5940 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5941 (rest_of_handle_if_after_reload): Ditto.
5942 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5943 (tree_ssa_loop_im): Ditto.
5944 (tree_ssa_loop_unswitch): Ditto.
5945 (tree_vectorize): Ditto.
5946 (tree_linear_transform): Ditto.
5947 (tree_ssa_loop_ivcanon): Ditto.
5948 (tree_ssa_empty_loop): Ditto.
5949 (tree_ssa_loop_bounds): Ditto.
5950 (tree_complete_unroll): Ditto.
5951 (tree_ssa_loop_prefetch): Ditto.
5952 (tree_ssa_loop_ivopts): Ditto.
5953 (tree_ssa_loop_done): Ditto.
5954 * predict.c (tree_estimate_probability): Ditto.
5955 * recog.c (split_all_insns_noflow): Ditto.
5956 (rest_of_handle_peephole2): Ditto.
5957 (rest_of_handle_split_all_insns): Ditto.
5958 * tree-eh.c (lower_eh_constructs): Ditto.
5959 * regmove.c (rest_of_handle_regmove): Ditto.
5960 (rest_of_handle_stack_adjustments): Ditto.
5961 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5962 * function.c (instantiate_virtual_regs): Ditto.
5963 (init_function_for_compilation): Ditto.
5964 (rest_of_handle_check_leaf_regs): Ditto.
5965 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5966 (rest_of_handle_gcse): Ditto.
5967 * ipa-type-escape.c (type_escape_execute): Ditto.
5968 * alias.c (rest_of_handle_cfg): Ditto.
5969 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5970 * profile.c (rest_of_handle_branch_prob): Ditto.
5971 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5972 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5973 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5974 * tree-dfa.c (find_referenced_vars): Ditto.
5975 * except.c (set_nothrow_function_flags): Ditto.
5976 (convert_to_eh_region_ranges): Ditto.
5977 (rest_of_handle_eh): Ditto.
5978 * emit-rtl.c (unshare_all_rtl): Ditto.
5979 (remove_unnecessary_notes): Ditto.
5980 * except.h (set_nothrow_function_flags): Ditto.
5981 (convert_to_eh_region_ranges): Ditto.
5982 * cfgexpand.c (tree_expand_cfg): Ditto.
5983 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5984 * tree-ssa-pre.c (do_pre): Ditto.
5985 (execute_fre): Ditto.
5986 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5987 (rest_of_handle_jump2): Ditto.
5988 * tree-sra.c (tree_sra): Ditto.
5989 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5990 (execute_mudflap_function_decls): Ditto.
5991 * tree-ssa-copy.c (do_copy_prop): Ditto.
5992 (do_store_copy_prop): Ditto.
5993 * ipa-prop.h (ipcp_driver): Ditto.
5994 * cfglayout.c (insn_locators_initialize): Ditto.
5995 * tree-ssa-forwprop.c
5996 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5997 * cfglayout.h (insn_locators_initialize): Ditto.
5998 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5999 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6000 (execute_late_warn_uninitialized): Ditto.
6001 * rtl.h (cleanup_barriers): Ditto.
6002 (split_all_insns_noflow): Ditto.
6003 (purge_line_number_notes): Ditto.
6004 (unshare_all_rtl): Ditto.
6005 (remove_unnecessary_notes): Ditto.
6006 (recompute_reg_usage): Ditto.
6007 (variable_tracking_main): Ditto.
6008 * integrate.c (emit_initial_value_sets): Ditto.
6009 * integrate.h (emit_initial_value_sets): Ditto.
6010 * tree-optimize.c (execute_free_datastructures): Ditto
6011 (execute_free_cfg_annotations): Ditto.
6012 (execute_fixup_cfg): Ditto.
6013 (execute_cleanup_cfg_pre_ipa): Ditto.
6014 (execute_cleanup_cfg_post_optimizing): Ditto.
6015 (execute_init_datastructures): Ditto.
6016 * tree-object-size.c (compute_object_sizes): Ditto.
6017 * combine.c (rest_of_handle_combine): Ditto.
6018 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6019 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6020 (rest_of_handle_reorder_blocks): Ditto.
6021 (rest_of_handle_partition_blocks): Ditto.
6022 * var-tracking.c (variable_tracking_main): Ditto.
6023 * tree-profile.c (tree_profiling): Ditto.
6024 * tree-vect-generic.c (expand_vector_operations): Ditto.
6025 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6026 * sched-rgn.c (rest_of_handle_sched): Ditto.
6027 (rest_of_handle_sched2): Ditto.
6028 * basic-block.h (free_bb_insn): Ditto.
6029 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6030 * tree-cfg.c (execute_build_cfg): Ditto.
6031 (remove_useless_stmts): Ditto.
6032 (split_critical_edges): Ditto.
6033 (execute_warn_function_return): Ditto.
6034 (execute_warn_function_noreturn): Ditto.
6035 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6036 * cfgrtl.c (free_bb_for_insn): Ditto.
6037 * passes.c (execute_one_pass): Run additional
6038 todos returned by execute function.
6039 * tree-pass.h (struct tree_opt_pass): Make execute
6042 2006-03-02 Richard Guenther <rguenther@suse.de>
6044 * tree-ssa-alias.c (find_used_portions): Consider taking
6045 the address as making the variable not write-only.
6047 2006-03-02 Nick Clifton <nickc@redhat.com>
6049 * config.gcc (default_use_cxa_atexit): Extend the description of
6050 this configure variable. Set its default value to "yes" for
6051 Linux, NetBSD and ELF targets on the assumption that they will
6052 use C libraries with the __cxa_atexit function.
6054 2006-03-02 Ben Elliston <bje@au.ibm.com>
6056 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6057 parameter as unused to suppress a build warning.
6059 2006-03-02 Ben Elliston <bje@au.ibm.com>
6061 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6064 2006-03-01 Roger Sayle <roger@eyesopen.com>
6067 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6068 declared name, the weak reference name, and the typeof name.
6069 (__gthrw): Avoid expanding the declared name suffix.
6070 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6072 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6074 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6076 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6077 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6078 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6079 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6080 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6081 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6082 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6083 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6084 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6085 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6086 (DW_END_default, DW_END_big, DW_END_little): New.
6087 (DW_END_lo_user, DW_END_hi_user): Define.
6088 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6089 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6090 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6093 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6095 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6097 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6099 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6101 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6103 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6104 to 'symbol_mem_tag'.
6106 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6109 2006-03-01 Roger Sayle <roger@eyesopen.com>
6111 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6113 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6116 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6117 MACHO_DYNAMIC_NO_PIC_P.
6118 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6120 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6123 * config/darwin-protos.h (darwin_asm_output_anchor):
6125 * config/darwin-sections.def (cstring_section):
6126 Add SECTION_MERGE to the flags.
6127 (literal4_section): Likewise.
6128 (literal8_section): Likewise.
6129 (objc_selector_refs_section): Likewise.
6130 (objc_cls_refs_section): Likewise.
6131 * config/darwin.c (darwin_asm_output_anchor): New
6133 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6135 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6137 Fix PR tree-optimization/26443
6138 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6139 to todo and PROP_tmt_usage to properties_destroyed.
6140 * tree-ssa-ccp.c (pass_ccp): Ditto.
6141 (pass_store_ccp): Ditto.
6142 * tree-ssa-dom.c (pass_dominator): Ditto.
6144 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6146 * tree-ssa-operands.c: Cleanup whitespace.
6147 (get_asm_expr_operands): Move before first invocation.
6148 (get_indirect_ref_operands): Likewise.
6149 (get_tmr_operands): Likewise.
6150 (get_call_expr_operands): Likewise.
6151 (append_def): Likewise.
6152 (append_use): Likewise.
6153 (append_v_may_def): Likewise.
6154 (append_v_must_def): Likewise.
6155 (add_call_clobber_ops): Likewise.
6156 (add_call_read_ops): Likewise.
6157 (add_stmt_operand): Likewise.
6158 (add_virtual_operand): Likewise.
6159 (build_ssa_operands): Likewise.
6161 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6166 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6167 with a call expr to ...
6168 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6172 * tree-vrp.c (extract_range_from_assert): Remove special
6173 handling for types with super-types.
6175 2006-03-01 Ben Elliston <bje@au.ibm.com>
6177 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6178 and powerpc64-*-linux* configurations.
6179 * config/t-dfprules: New file.
6181 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6182 Compile dfp-bit.c from the source directory using -DWIDTH and
6183 $DFP_CFLAGS to control the compilation of that file, rather than
6184 generating width-specific versions in the build directory.
6185 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6186 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6188 2006-02-28 Zack Weinberg <zackw@panix.com>
6190 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6193 2006-02-28 Eric Christopher <echristo@apple.com>
6195 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6196 Set up IN_LIBGCC definition of TARGET_64BIT.
6197 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6199 2006-02-28 Roger Sayle <roger@eyesopen.com>
6202 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6203 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6204 cases via the construction of "expr != 0".
6206 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6208 * alias.c (alias_invariant, alias_invariant_size): Remove.
6209 (record_base_value): Remove.
6210 (memrefs_conflict_p): Don't look at alias_invariant.
6211 (end_alias_analysis): Don't free it.
6212 * alias.h (record_base_value): Remove prototype.
6214 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6215 Adam Nemet <anemet@caviumnetworks.com>
6217 * rtl.h (truncated_to_mode): Declare it.
6218 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6219 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6220 (RTL_HOOKS_INITIALIZER): Include it.
6221 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6222 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6223 reg_truncated_to_mode.
6224 * rtlanal.c (truncated_to_mode): Define it.
6225 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6227 2006-02-28 Jeff Law <law@redhat.com>
6229 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6230 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6231 the range allowed by TYPE_PRECISION.
6233 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6235 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6237 PR tree-optimization/26419
6238 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6241 2006-02-27 Zack Weinberg <zackw@panix.com>
6243 * doc/md.texi: Fix typo in previous change.
6245 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6249 2006-02-27 Zack Weinberg <zackw@panix.com>
6251 * rtl.def (define_constraint, define_register_constraint)
6252 (define_memory_constraint, define_address_constraint): New MD forms.
6253 * gensupport.c (process_rtx): Put define_constraint etc on the
6255 * genpreds.c (process_define_predicate): Adjust comment. Validate
6256 the name, and call validate_exp to validate the expression.
6257 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6258 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6259 all callers changed.
6260 (validate_exp, needs_variable, struct constraint_data)
6261 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6262 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6263 (const_dbl_constraints, constraint_max_namelen)
6264 (have_register_constraints, have_memory_constraints)
6265 (have_address_constraints, have_address_constraints)
6266 (have_extra_constraints, have_const_int_constraints)
6267 (have_const_dbl_constraints, mangle, add_constraint)
6268 (process_define_constraint, process_define_register_constraint)
6269 (write_enum_constraint_num, write_lookup_constraint)
6270 (write_insn_constraint_len, write_regclass_for_constraint)
6271 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6272 (write_insn_extra_memory_constraint)
6273 (write_insn_extra_address_constraint)
6274 (write_satisfies_constraint_fns): New.
6275 (write_tm_preds_h): If we have new-style constraint definitions,
6276 prototype the functions generated from them, and define the
6277 old constraint interface (still used by generic code) in terms of
6279 (write_insn_preds_c): If we have new-style constraint definitions,
6280 generate all relevant functions from those definitions.
6281 (main): Handle define_constraint etc.
6282 * genoutput.c (struct constraint_data, indep_constraints)
6283 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6284 (mdep_constraint_len): New data structures and functions, defined
6285 #ifdef USE_MD_CONSTRAINTS.
6286 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6287 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6288 use new logic to validate operand constraints against constraint
6290 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6292 * defaults.h: If none of the old-style constraint macros are
6293 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6294 old-style macros; and poison REG_CLASS_FROM_LETTER,
6295 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6297 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6298 * doc/md.texi: Document new constraint-definition mechanism and the
6299 C interface it provides. Remove references to old mechanism
6300 elsewhere in the document.
6301 (Machine Constraints): Use pathnames relative to gcc directory,
6302 i.e. config/ARCH/FILE. Change i386 section to refer to
6303 config/i386/predicates.md; update that section to match docstrings.
6304 * doc/tm.texi: Move all documentation of the old constraint-
6305 definition macros to their own section, clearly mark as obsolete.
6307 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6308 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6310 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6311 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6312 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6314 (splits and peepholes): Use satisfies_constraint_*.
6315 * config/i386/i386.c (memory_address_length)
6316 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6318 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6320 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6321 scalar operation to be put back into the loop.
6323 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6326 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6327 (extract_cie_info): Handle S flag in augmentation string.
6328 (execute_cfa_program): If context->signal_frame, execute also
6329 fs->pc == context->ra instructions.
6330 (uw_frame_state_for): If context->signal_frame, don't subtract one
6331 from context->ra to find FDE.
6332 (uw_update_context_1): Set context->signal_frame to
6334 (_Unwind_GetIPInfo): New function.
6335 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6336 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6338 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6339 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6340 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6341 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6342 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6343 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6344 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6345 x86_64_fallback_frame_state): Set fs->signal_frame.
6346 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6347 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6348 (frob_update_context): Likewise. Workaround missing S flag in
6349 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6350 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6351 Remove the psw_addr + 1 hack.
6353 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6355 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6356 with aggregates here.
6357 (find_func_aliases): Remove code for &<aggregate> from here.
6359 2006-02-26 Roger Sayle <roger@eyesopen.com>
6361 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6362 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6363 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6366 2006-02-26 Roger Sayle <roger@eyesopen.com>
6369 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6371 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6373 * opts.c (decode_options): Do not handle flag_strength_reduce.
6374 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6375 and OPT_fstrength_reduce.
6376 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6377 flag_prefetch_loop_arrays for being nonzero.
6378 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6380 (fprefetch-loop-arrays-rtl): Removed.
6381 (flag_prefetch_loop_arrays): Do not specify the value.
6383 * doc/passes.texi: Update documentation of loop optimizer
6385 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6386 -frerun-loop-opt): Remove.
6388 2006-02-26 Richard Guenther <rguenther@suse.de>
6390 PR tree-optimization/26421
6391 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6392 in function calls that are ADDR_EXPRs as using the whole structure.
6394 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6396 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6397 * tree-pass.h (pass_loop_optimize): Remove.
6398 * passes.c (pass_loop_optimize): Never run it.
6399 * toplev.c (backend_init): Don't call init_loop.
6400 * opts.c (flag_loop_optimize_set): Remove.
6401 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6402 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6403 the old RTL loop optimizer when profiling enabled.
6404 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6405 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6406 pre-headers for the sake of the old RTL loop optimizer.
6407 * Makefile.in: Remove all references to loop.o.
6409 * doc/invoke.texi: Remove all references to -floop-optimize
6410 and -frerun-loop-opt.
6412 2006-02-26 Zack Weinberg <zackw@panix.com>
6414 * doc/md.texi (Machine Constraints): Refer to all files with paths
6415 relative to gcc directory (i.e. config/CPU/file). Add missing
6416 @table @code ... @end table to M32C subsection.
6418 2006-02-26 Roger Sayle <roger@eyesopen.com>
6420 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6422 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6424 2006-02-26 Roger Sayle <roger@eyesopen.com>
6425 James A. Morrison <phython@gcc.gnu.org>
6428 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6429 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6430 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6431 signedness of the shift operation.
6433 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6435 PR tree-optimization/26359
6436 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6438 2006-02-25 Roger Sayle <roger@eyesopen.com>
6440 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6441 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6442 as X == 0, and some symmetry related transformations.
6443 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6445 2006-02-25 Roger Sayle <roger@eyesopen.com>
6448 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6449 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6450 symmetry related transformations. Fold (X^C1) == C2 as
6453 2006-02-25 Juergen Weigert <jw@suse.de>
6454 Richard Guenther <rguenther@suse.de>
6456 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6458 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6460 * combine.c (gen_lowpart_or_truncate): Call
6461 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6463 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6465 * doc/invoke.texi: Move -fopenmp description to "Options for
6467 Remove reference to -lgomp.
6469 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6471 * doc/install.texi: Require GNU tar version 1.14.
6473 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6475 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6476 * doc/invoke.texi (C++ Dialect Options): Document
6477 -fno-use-cxa-get-exception-ptr.
6478 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6479 * configure: Regenerate.
6480 * c.opt (fuse-cxa-get-exception-ptr): New.
6481 * c-opts.c (c_common_handle_option): Handle
6482 OPT_fuse_cxa_get_exception_ptr.
6483 * c-common.c (flag_use_cxa_atexit): Update documentation.
6484 (flag_use_cxa_get_exception_ptr): New.
6485 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6486 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6488 (C_COMMON_OVERRIDE_OPTIONS): New.
6490 2006-02-24 Roger Sayle <roger@eyesopen.com>
6493 * combine.c (try_combine): Explicitly check whether GET_CODE is
6494 a SET or a CLOBBER, instead on checking that it isn't a USE.
6496 2006-02-24 Roger Sayle <roger@eyesopen.com>
6498 * fold-const.c (fold_comparison): New subroutine of fold_binary
6499 containing transformations common to both the equality and
6500 ordering relational operators, factored out of fold_binary.
6501 (fold_binary): Separate out the equality operators (EQ_EXPR
6502 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6503 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6504 transformations common to both.
6505 (fold_div_compare): Fix latent bugs in the previously unreachable
6506 LT_EXPR and GE_EXPR cases.
6508 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6510 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6511 decl libname for clog to __clog on AIX.
6513 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6515 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6518 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6519 output traceback table for thunks. Localise rs6000_stack_info call.
6521 2006-02-23 Roger Sayle <roger@eyesopen.com>
6522 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6524 * gthr-posix.h (__gthrw): Fix typo in comment.
6526 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6528 * doc/cpp.texi (Character sets): Document that we do support
6529 input files to be in any character set.
6531 2006-02-23 Jeff Law <law@redhat.com>
6533 * tree.h (PHI_ARG_NONZERO): Remove.
6534 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6535 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6536 node to the new node.
6538 PR tree-optimization/26425
6539 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6540 min/max, then assume its varying.
6542 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6544 PR rtl-optimization/26316
6545 * rtlanal.c (enum may_trap_p_flags): New.
6546 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6547 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6548 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6549 (may_trap_after_code_motion_p): New function.
6550 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6551 (find_invariant_insn): Use may_trap_after_code_motion_p.
6552 * rtl.h (may_trap_after_code_motion_p): Declare.
6554 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6556 * emit-rtl.c (immed_double_const): Cleanup.
6558 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6560 Fix PR tree-optimization/26376
6561 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6564 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6567 * gimplify.c (omp_add_variable): Guard variable size decl test with
6568 DECL_SIZE (decl) check.
6570 2006-02-23 Richard Guenther <rguenther@suse.de>
6573 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6574 like aggregate types.
6576 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6578 * configure.ac: Add --with{,out}-long-double-128 configure option.
6579 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6580 * configure: Rebuilt.
6581 * config.in: Rebuilt.
6582 * doc/install.texi (Options specification): Document
6583 --with-long-double-128.
6585 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6586 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6587 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6588 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6590 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6592 * config/s390/s390.c (override_options): Handle
6593 TARGET_DEFAULT_LONG_DOUBLE_128.
6595 * config/alpha/alpha.c (override_options): Handle
6596 TARGET_DEFAULT_LONG_DOUBLE_128.
6598 * config/sparc/sparc.c (sparc_override_options): Handle
6599 TARGET_DEFAULT_LONG_DOUBLE_128.
6601 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6603 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6604 (real-install-headers-tar, real-install-headers-cpio)
6605 (real-install-headers-cp): New targets.
6607 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6609 * tree.h (variable_section): Delete.
6610 * varasm.c (variable_section): Delete.
6612 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6614 * install.texi: Add notes on install.texi2html.
6615 (Building in parallel): Do not use footnotes.
6617 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6620 * doc/install.texi (Configuration): Document --disable-libgomp.
6622 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6624 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6626 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6628 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6629 (vec_extractv2df_0_sse): New.
6631 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6633 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6634 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6635 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6636 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6637 to the result of the expression.
6638 (def_cfa_1): Adjust.
6639 (frame_pointer_cfa_offset): Rename to...
6640 (frame_pointer_fb_offset): ... this. Adjust all uses.
6641 (convert_cfa_to_loc_list): Rename to...
6642 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6643 Pass it on to build_cfa_loc.
6644 (compute_frame_pointer_to_cfa_displacement): Rename to...
6645 (compute_frame_pointer_to_fb_displacement): ... this. New
6646 offset parameter. Use it in computation.
6647 (gen_subprogram_die): Compute cfa_fb_offset with the new
6648 macro, and use it to compute the fb loc list and the
6651 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6653 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6654 replaced with register_operand.
6655 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6656 non-DREG is expensive.
6657 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6658 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6661 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6663 * doc/install.texi2html: Use set -e.
6665 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6667 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6668 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6669 * doc/invoke.texi (-fshared-data): Delete.
6670 * common.opt (fshared-data): Delete.
6671 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6672 (assemble_static_space): Remove #if 0 code.
6673 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6674 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6675 * config/cris/cris.h: Remove FIXME.
6677 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6679 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6682 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6685 * combine.c (simplify_shift_const_1): Disable nested shifts
6686 optimization for vector shifts.
6688 2006-02-20 Roger Sayle <roger@eyesopen.com>
6690 PR tree-optimization/26361
6691 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6692 of unsigned integer types.
6694 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6696 * tree-chrec.c (eq_evolutions_p): New.
6697 * tree-chrec.h (eq_evolutions_p): Declared.
6698 * tree-data-ref.c: Fix formatting.
6699 (datadep_stats, dependence_stats): New.
6701 (print_direction_vector): New.
6702 (dump_data_dependence_relation): Use print_direction_vector.
6703 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6704 (compute_subscript_distance): Static.
6705 (initialize_data_dependence_relation): Static. Get the number
6706 of loops surrounding the references from the callers, and initialize
6707 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6708 base_object_differ_p analyzers.
6709 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6710 compute_overlap_steps_for_affine_1_2,
6711 analyze_subscript_affine_affine): Count the classified dependences.
6712 Print a message when a test failed.
6713 (can_use_analyze_subscript_affine_affine): New.
6714 (analyze_siv_subscript): Compute the data dependences on symbolic
6715 scevs that verify can_use_analyze_subscript_affine_affine.
6716 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6717 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6718 Handle symbolic scevs.
6719 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6721 (subscript_dependence_tester): Moved...
6722 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6723 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6724 DDR_SIZE_VECT instead of getting it in parameter.
6725 (subscript_dependence_tester): ... here. Take as a parameter
6726 loop_nest_depth. Call build_classic_dist_vector and
6727 build_classic_dir_vector.
6728 (compute_affine_dependence): Update subscript_dependence_tester
6729 parameters. Update datadep_stats counters. Call
6730 compute_subscript_distance.
6731 (compute_self_dependence): Save the dist and dir vectors. Call
6732 compute_subscript_distance.
6733 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6734 (compute_all_dependences): Reorder parameters as they were before
6735 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6736 compute_subscript_distance. Update the use of
6737 compute_affine_dependence and initialize_data_dependence_relation.
6738 (find_data_references_in_loop): Handle COMPONENT_REF.
6739 (compute_data_dependences_for_loop): Initialize dependence_stats.
6740 Don't call build_classic_dist_vector and build_classic_dir_vector.
6741 Update the parameters of initialize_data_dependence_relation and
6742 compute_all_dependences. Print the statistics from datadep_stats.
6743 (analyze_all_data_dependences): Static. Not used until the pass for
6744 checking the data dependences is contributed.
6745 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6746 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6747 (initialize_data_dependence_relation, compute_affine_dependence,
6748 analyze_all_data_dependences, compute_subscript_distance): Removed.
6749 (print_direction_vector): New.
6750 * lambda.h (gcd): ... here.
6751 (lambda_vector_gcd): Moved here from gcd_vector.
6752 * lambda-code.c (gcd, gcd_vector): Removed.
6753 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6754 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6756 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6758 * ipa-type-escape.c: Tidy some comments and white space.
6759 * tree-ssa-operands.c: Likewise.
6761 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6764 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6765 (dump_decl_name): Do not walk the decl tree chains.
6766 * tree-pass.h (TDF_CHAIN): Remove.
6768 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6770 * Makefile.in (C): Remove
6772 (.PHONY): Remove C and PROTO
6774 2006-02-20 Roger Sayle <roger@eyesopen.com>
6777 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6778 deprecated CHAR_TYPE tree code.
6780 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6782 * configure.ac (target_list): Add install-info, dvi, html.
6783 * configure: Regenerate.
6785 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6786 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6787 treelang/Make-lang.in: Do not use double-colon rules.
6789 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6791 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6792 (TMT_USED_ALONE): New macro.
6793 * tree-pass.h (PROP_tmt_usage): New property.
6794 (TODO_update_tmt_usage): New todo.
6795 * tree-ssa-alias.c (updating_used_alone): New variable.
6796 (recalculate_used_alone): New function.
6797 (compute_may_aliases): Set updating_used_alone, call
6798 recalculate_used_alone.
6799 * tree-sra.c (pass_sra): Note that this pass destroys
6800 PROP_tmt_usage, and add TODO_update_tmt_usage.
6801 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6802 * tree-flow.h (updating_used_alone): Prototype.
6803 (recalculate_used_alone): Ditto.
6804 * passes.c (execute_todo): Add code to set updating_used_alone,
6805 and call recalculate.
6806 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6807 for clobber if used alone, and add assert to verify used_alone
6810 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6812 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6813 for non tls symbols added.
6814 (legitimize_address): Do nothing for PLUS expressions if one of the
6815 addends is a tls symbol reference.
6817 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6821 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6823 * Makefile.in (BOOTSTRAPPING): New.
6824 (quickstrap): New definition if BOOTSTRAPPING=yes.
6826 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6827 * configure.ac: Substitute all_selected_languages with the languages
6828 that were configured. For all the other variables except
6829 lang_specs_files, include all the languages in the tree.
6830 * configure: Regenerate.
6832 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6833 if there is one. Run the commands to run fixincludes in the same
6836 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6837 * doc/install.texi: Document exact conventions for searching target tools.
6838 Document --with-build-time-tools. Document toplevel bootstrap. Document
6839 something more about building an Ada cross-compiler. Don't list GNU Make
6840 requirements which affect all platforms.
6842 2006-02-19 Roger Sayle <roger@eyesopen.com>
6845 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6846 only equivalent if the have both the same mode and precision.
6848 2006-02-20 Ben Elliston <bje@au.ibm.com>
6850 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6852 2006-02-19 Roger Sayle <roger@eyesopen.com>
6853 Steven Bosscher <stevenb.gcc@gmail.com>
6855 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6856 constant pool references to identify stack mode constants.
6857 * rtlanal.c (constant_pool_constant_p): New predicate to check
6858 whether operand is a floating point constant in the pool.
6859 * rtl.h (constant_pool_constant_p): Prototype here.
6860 * loop.c (scan_loop): Avoid hoisting constants from the constant
6861 pool on STACK_REGS targets.
6862 (load_mems): Likewise.
6863 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6864 loads into x87 registers expensive in terms of register pressure.
6866 2006-02-19 Roger Sayle <roger@eyesopen.com>
6868 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6869 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6871 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6873 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6874 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6876 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6878 * doc/invoke.texi: Document -fipa-pta.
6879 * common.opt: Add ipa-pta option.
6880 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6881 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6882 (do_ds_constraint): Ditto.
6883 (get_constraint_for): Only add to referenced_vars if
6884 referenced_vars exists.
6885 (insert_into_field_list): Rewrite to do this unsorted.
6886 (insert_into_field_list_sorted): Rename old insert_into_field_list
6888 (create_function_info_for): Use insert_into_field_list_sorted.
6889 (create_variable_info_for): Rewrite so it uses unsorted version,
6890 since the field list is sorted.
6891 (intra_create_variable_infos): Only add to referenced_vars if
6892 referenced_vars exists.
6893 (ipa_pta_execute): Init heapvars, and delete when done.
6894 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6896 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6898 * doc/install.texi: Add missing `@samp'.
6900 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6902 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6905 2006-02-18 Mark Wielaard <mark@klomp.org>
6907 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6908 who added new 4.1 features, bug fixes and integration support.
6910 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6913 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6916 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6918 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6919 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6920 (copy_insn_1): Likewise. Don't copy each field individually.
6922 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6924 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6925 * rtl.c (rtx_size): Rename variable to...
6926 (rtx_code_size): ...this.
6927 (rtx_size): New function.
6928 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6929 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6931 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6932 * rtl.h (rtx_code_size): New variable.
6933 (rtx_size): Change from a variable to a function.
6934 (RTX_SIZE): Rename to...
6935 (RTX_CODE_SIZE): ...this.
6938 PR tree-optimization/17106
6939 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6940 (Anchored Addresses): New section.
6941 * doc/invoke.texi (-fsection-anchors): Document.
6942 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6943 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6944 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6945 * hooks.c (hook_bool_mode_rtx_false): New function.
6946 * hooks.h (hook_bool_mode_rtx_false): Declare.
6947 * gengtype.c (create_optional_field): New function.
6948 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6949 SYMBOL_REF_IN_BLOCK_P is true.
6950 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6951 (min_anchor_offset, max_anchor_offset): Likewise.
6952 (use_anchors_for_symbol_p): New hook.
6953 * toplev.c (compile_file): Call output_object_blocks.
6954 (target_supports_section_anchors_p): New function.
6955 (process_options): Check that -fsection-anchors is only used on
6956 targets that support it and when -funit-at-a-time is in effect.
6957 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6958 if the decl doesn't have one.
6959 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6960 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6961 of force_const_mem through use_anchored_address.
6962 (expand_expr_constant): New function.
6963 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6964 calling expand_expr for INDIRECT_REF.
6965 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6966 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6967 * expr.h (use_anchored_address): Declare.
6968 * loop-unroll.c: Don't declare rtx vectors here.
6969 * explow.c: Include output.h.
6970 (validize_mem): Call use_anchored_address.
6971 (use_anchored_address): New function.
6972 * common.opt (-fsection-anchors): New switch.
6973 * varasm.c (object_block_htab, anchor_labelno): New variables.
6974 (hash_section, object_block_entry_eq, object_block_entry_hash)
6975 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6976 (use_blocks_for_decl_p, change_symbol_section): New functions.
6977 (get_variable_section): New function, split out from assemble_variable.
6978 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6979 use_blocks_for_decl_p say so. Use change_symbol_section if the
6980 symbol has already been created.
6981 (assemble_variable_contents): New function, split out from...
6982 (assemble_variable): ...here. Don't output any code for
6983 block symbols; just pass them to place_block_symbol.
6984 Use get_variable_section and assemble_variable_contents.
6985 (get_constant_alignment, get_constant_section, get_constant_size): New
6986 functions, split from output_constant_def_contents.
6987 (build_constant_desc): Create a block symbol if use_object_blocks_p
6988 says so. Or into SYMBOL_REF_FLAGS.
6989 (assemble_constant_contents): New function, split from...
6990 (output_constant_def_contents): ...here. Don't output any code
6991 for block symbols; just pass them to place_section_symbol.
6992 Use get_constant_section and get_constant_alignment.
6993 (force_const_mem): Create a block symbol if use_object_blocks_p and
6994 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6995 (output_constant_pool_1): Add an explicit alignment argument.
6996 Don't switch sections here.
6997 (output_constant_pool): Adjust call to output_constant_pool_1.
6998 Switch sections here instead. Don't output anything for block symbols;
6999 just pass them to place_block_symbol.
7000 (init_varasm_once): Initialize object_block_htab.
7001 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7002 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7003 (place_block_symbol, get_section_anchor, output_object_block)
7004 (output_object_block_htab, output_object_blocks): New functions.
7005 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7006 (TARGET_ASM_OUT): Include it.
7007 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7008 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7009 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7010 (TARGET_INITIALIZER): Include them.
7011 * rtl.c (rtl_check_failed_block_symbol): New function.
7012 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7013 (block_symbol, object_block): New structures.
7014 (rtx_def): Add a block_symbol field to the union.
7015 (BLOCK_SYMBOL_CHECK): New macro.
7016 (rtl_check_failed_block_symbol): Declare.
7017 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7018 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7019 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7020 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7021 * output.h (output_section_symbols): Declare.
7022 (object_block): Name structure.
7023 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7024 (default_use_anchors_for_symbol_p): Declare.
7025 * Makefile.in (RTL_BASE_H): Add vec.h.
7026 (explow.o): Depend on output.h.
7027 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7028 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7029 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7030 (rs6000_use_blocks_for_constant_p): New function.
7032 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7034 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7036 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7039 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7042 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7044 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7048 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7051 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7052 instead of DECL_REGISTER.
7054 2006-02-18 Olivier Hainque <hainque@adacore.com>
7057 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7059 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7062 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7063 * opth-gen.awk: Handle Var and InverseMask together.
7064 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7065 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7066 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7067 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7069 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7070 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7071 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7072 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7073 LINUX_DYNAMIC_LINKER): Define.
7074 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7075 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7077 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7078 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7079 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7081 (TARGET_C99_FUNCTIONS): Don't define.
7082 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7083 GLIBC_DYNAMIC_LINKER.
7084 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7085 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7086 GLIBC_DYNAMIC_LINKER64): Define.
7087 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7088 LINUX_DYNAMIC_LINKER64.
7089 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7091 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7093 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7095 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7096 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7097 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7099 and LINUX_DYNAMIC_LINKER32.
7100 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7102 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7103 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7104 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7106 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7107 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7108 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7109 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7110 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7111 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7112 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7113 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7114 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7115 LINUX_DYNAMIC_LINKER): Define.
7116 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7117 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7118 GLIBC_DYNAMIC_LINKER64): Define.
7119 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7120 LINUX_DYNAMIC_LINKER64.
7121 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7122 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7123 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7124 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7125 LINUX_DYNAMIC_LINKER): Define.
7126 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7127 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7128 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7129 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7130 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7131 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7132 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7133 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7134 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7135 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7137 * doc/invoke.texi (-muclibc): Remove caveat about supported
7140 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7142 * doc/cpp.texi (__TIMESTAMP__): Document.
7144 2006-02-17 Roger Sayle <roger@eyesopen.com>
7147 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7148 C is one less than the width of X (and related transformations).
7149 * simplify-rtx.c (simplify_unary_operation_1): Transform
7150 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7151 depending on STORE_FLAG_VALUE, were C is one less then the
7154 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7156 Fix PR tree-optimization/26341
7157 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7158 about NAME_MEMORY_TAG's.
7160 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7163 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7164 with hardware float support, and software float support. Add fcpy
7165 alternative to hardware patterns. Add alternatives to copy between
7166 general and floating-point registers to the 32-bit pattern.
7167 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7168 secondary reload to load a QI or HI mode constant into a floating
7170 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7171 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7173 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7176 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7178 (load_macho_picbase_di): Likewise.
7180 2006-02-16 Jeff Law <law@redhat.com>
7182 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7183 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7184 (ssa_name_nonzero_p): Likewise.
7185 (get_value_range): Return NULL if VRP is not running.
7186 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7187 VRP routines do not discover a range.
7188 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7189 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7190 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7191 (tree_expr_nonnegative_p): Similarly.
7192 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7193 (restore_nonzero_vars_to_original_value): Remove.
7194 (unsafe_associative_fp_binop): Remove.
7195 (tree_ssa_dominator_optimize): Remove initialization and
7196 finalization of nonzero_vars and nonzero_vars_stack.
7197 (dom_opt_initialize_block): No longer push marker on
7199 (dom_opt_finalize_block): No longer call
7200 restore_nonzero_vars_to_original_value.
7201 (record_equivalences_from_phis): No longer look for
7202 nonzero PHI arguments.
7203 (cprop_into_successor_phis): No longer propagate nonzero
7204 property into PHI arguments. Lose unused argument. Caller
7206 (record_equivalences_from_stmt): No longer record nonzero
7207 values for SSA_NAMEs.
7208 (lookup_avail_expr): No longer use nonzero_vars.
7210 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7211 for sizetype when sizetype is unsigned.
7213 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7215 PR rtl-optimization/25603
7216 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7217 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7218 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7219 with new meaning of SETS.
7221 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7226 * config/linux.opt: New file.
7227 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7228 LINUX_DYNAMIC_LINKER): Define.
7229 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7230 * config.gcc (*-*-linux*): Define extra_options.
7231 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7232 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7233 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7234 GLIBC_DYNAMIC_LINKER.
7235 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7236 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7237 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7238 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7239 * doc/invoke.texi (GNU/Linux Options): New section.
7241 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7243 * config/sparc/sparc.md (setjmp): Rewrite.
7244 (setjmp_32): Delete.
7245 (setjmp_64): Likewise.
7247 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7249 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7252 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7254 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7257 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7259 PR rtl-optimization/26296
7260 * Makefile.in (loop-invariant.c): Add except.h dependency.
7261 * loop-invariant.c: Include except.h.
7262 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7264 2005-02-16 Paul Brook <paul@codesourcery.com>
7266 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7269 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7271 PR rtl-optimization/25636
7272 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7273 when deciding whether an insn is an initializing insn.
7275 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7277 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7278 (tree_code_size): Ditto.
7279 * tree.h (struct tree_memory_tag): Remove parent_var.
7280 (struct tree_struct_field_tag): New.
7283 (union tree_node): Add sft member.
7284 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7286 (create_sft): Add size and offset argument, set SFT_OFFSET and
7288 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7289 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7290 * tree-flow-inline.h (get_subvar_at): Update for
7291 SFT_OFFSET/SFT_SIZE.
7292 (var_can_have_subvars): Ditto.
7293 (overlap_subvar): Ditto.
7294 * print-tree.c (print_node): Print out interesting things for
7296 * tree-flow.h (struct subvar): Remove offset and size members.
7297 * tree-ssa-operands.c (get_expr_operands): Update for
7298 get_indirect_ref_operands changes.
7299 (get_indirect_ref_operands): Call add_virtual_operand instead of
7300 add_stmt_operand. Only recurse on base var if requested.
7301 (access_can_touch_variable): New function.
7302 (add_stmt_operand): Split virtual operand handling into ...
7303 (add_virtual_operand): Here. Add offset, size, and for_clobber
7304 arguments. Prune alias sets.
7305 (add_call_clobber_ops): Call add_virtual_operand.
7307 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7310 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7312 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7313 than TREE_CODE as index into omp_clause_num_ops array.
7315 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7317 PR rtl-optimization/26184
7318 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7320 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7321 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7322 must_precede, must_follow and tobe_scheduled.
7325 * opts.c (common_handle_option): Free new_option pointer.
7326 * df-core.c (df_analyze): Free postorder pointer.
7328 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7330 * Makefile.in: Fix the examples about the use of stamps
7332 2006-02-15 Michael Matz <matz@suse.de>
7336 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7337 influenced by maximum_field_alignment or DECL_PACKED.
7338 (update_alignment_for_field): Ditto.
7339 (place_field): Ditto.
7340 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7343 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7345 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7346 (debug_flow_info): Pass it.
7347 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7348 * bb-reorder.c (reorder_basic_blocks): Likewise.
7349 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7350 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7351 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7352 * gcse.c (gcse_main, bypass_jumps): Likewise.
7353 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7354 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7355 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7356 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7357 * rtl.h (dump_flow_info): Adjust prototype.
7358 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7359 * var-tracking.c (variable_tracking_main): Likewise.
7360 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7361 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7364 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7366 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7369 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7371 PR tree-optimization/26209
7372 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7373 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7375 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7377 2006-02-14 Roger Sayle <roger@eyesopen.com>
7380 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7381 (X,Y) and the corresponding symmetry related transformations.
7382 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7383 (X,Y) and its symmetry related transformations.
7385 2006-02-14 Roger Sayle <roger@eyesopen.com>
7387 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7390 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7392 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7394 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7397 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7398 support COMDAT group.
7399 * configure: Regenerate.
7401 2006-02-14 Roger Sayle <roger@eyesopen.com>
7406 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7408 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7410 Fix PR tree-optimization/26260
7412 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7414 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7415 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7416 * tree-ssa-structalias.c (create_variable_info_for): Use
7417 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7419 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7421 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7423 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7424 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7425 of the ending condition.
7426 * tree-ssa-loop-manip.c: Include params.h.
7427 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7428 tree_unroll_loop): New functions.
7429 * tree-pass.h (pass_loop_prefetch): Declare.
7430 * loop.c (rest_of_handle_loop_optimize): Test for
7431 -fprefetch-loop-arrays-rtl.
7432 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7433 * timevar.def (TV_TREE_PREFETCH): New timevar.
7434 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7435 pass_loop_prefetch): New.
7436 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7437 (cleanup_tree_cfg_loop): Call scev_reset.
7438 * common.opt (fprefetch-loop-arrays-rtl): Add.
7439 * tree-ssa-loop-prefetch.c: New file.
7440 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7441 (new_temp_expr_table): Initialize expr_vars.
7442 (free_temp_expr_table): Cleanup expr_vars.
7443 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7444 expressions from being merged into one.
7445 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7446 (struct tree_niter_desc): Add control, bound and cmp fields.
7447 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7449 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7450 (tree-cfgcleanup.o): Add SCEV_H dependency.
7451 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7452 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7454 2006-02-14 Richard Guenther <rguenther@suse.de>
7456 PR tree-optimization/26258
7457 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7458 in PHI argument processing.
7460 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7462 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7463 new expression in the requested machine mode.
7465 2006-02-13 Roger Sayle <roger@eyesopen.com>
7467 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7468 directly, instead let do_compare_rtx_and_jump handle this for us.
7469 * expr.c (expand_expr_real_1): Likewise.
7470 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7471 before do_jump_by_parts_greater.
7472 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7473 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7475 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7477 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7479 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7481 PR rtl-optimization/26235
7482 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7483 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7486 2006-02-13 Jeff Law <law@redhat.com>
7488 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7491 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7494 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7495 twice if decl is a builtin. When trying again, call get_callee_fndecl
7496 first to verify it is still a builtin.
7498 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7500 * dwarf2out.c (base_type_die): Don't add AT_name here.
7501 (subrange_type_die): Don't add AT_name here.
7502 (modified_type_die): Rearrange code flow. Do add AT_name here.
7504 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7506 PR rtl-optimization/26247
7507 PR rtl-optimization/26248
7508 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7510 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7512 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7513 * config/fixtfdi.c: Likewise.
7514 * config/fixunstfdi.c: Likewise.
7515 * config/floatditf.c: Likewise.
7517 2006-02-13 Roger Sayle <roger@eyesopen.com>
7520 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7521 into (X,C2) if C1 is a subset of the bits of C2. Transform
7522 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7524 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7526 2006-02-13 Josh Conner <jconner@apple.com>
7529 * varasm.c (function_section): Check for section name before
7530 calling select_section on targets that define
7531 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7532 unlikely_text_section instead of hot_function_section if
7533 first_function_block_is_cold.
7535 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7538 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7540 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7542 PR rtl-optimization/26222
7543 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7544 after tree->rtl expansion.
7545 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7546 before passing it to emit_move_insn.
7548 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7550 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7552 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7553 Clarify documentation.
7554 * c-common.h (warn_write_strings): Remove.
7555 * c-common.c (warn_write_strings): Likewise.
7556 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7559 2006-02-12 Roger Sayle <roger@eyesopen.com>
7562 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7563 (do_jump_parts_zero_rtx): New function renamed from
7564 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7565 (do_jump_parts_equality_rtx): New function split out from
7566 do_jump_parts_equality. Old implementation renamed as above.
7567 Call do_jump_parts_zero_rtx if either operand is zero.
7568 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7569 do all of the heavy lifting.
7570 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7571 calling either do_jump_by_parts_greater_rtx or
7572 do_jump_by_parts_equality_rtx.
7573 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7574 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7575 moved to do_compare_rtx_and_jump, call it directly.
7576 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7577 mode argument. Call do_compare_rtx_and_jump.
7578 (emit_case_nodes): Update calls to do_jump_if_equal.
7580 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7582 PR rtl-optimization/26225
7583 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7585 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7587 PR rtl-optimization/26232
7588 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7590 2006-02-11 Jason Merrill <jason@redhat.com>
7593 * tree-inline.c (declare_return_variable): Just don't use the
7594 modify target if it's a gimple complex reg and the return slot
7597 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7599 * doc/contrib.texi: Update my entry.
7601 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7603 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7605 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7607 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7610 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7612 * doc/invoke.texi (-floop-optimize2): Removed.
7613 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7614 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7615 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7616 * common.opt (floop-optimize2): Removed.
7617 (fmove-loop-invariants): Enabled by default.
7619 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7621 * tree-if-conv.c (combine_blocks): Free the result of
7622 get_loop_exit_edges.
7624 2006-02-10 Jeff Law <law@redhat.com>
7626 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7628 PR tree-optimization/26213
7629 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7630 loop trying to follow SSA_NAME_VALUE chains.
7632 2006-02-10 Richard Guenther <rguenther@suse.de>
7634 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7635 deal with structures that end in implicitly variable sized arrays.
7637 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7639 PR rtl-optimization/24762
7640 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7643 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7645 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7646 (struct ivopts_data): Add regs_used field.
7647 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7648 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7649 instead of loop_data->regs_used;
7650 (free_loop_data): Do not free aux fields for loops.
7651 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7652 and tree_ssa_iv_optimize_finalize.
7654 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7656 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7658 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7661 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7662 computing the effective result type.
7664 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7667 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7668 (tree_overlaps_hard_reg_set): Declare.
7669 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7670 type and signature to match function type expected by walk_tree.
7671 (tree_overlaps_hard_reg_set): New function.
7672 (decl_conflicts_with_clobbers_p): Rename to:
7673 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7674 Use tree_overlaps_hard_reg_set. Changed caller.
7675 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7676 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7677 * cris.c (cris_md_asm_clobbers): Likewise.
7679 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7681 * reload1.c (emit_input_reload_insns): Delete code that tries to
7682 inherit using find_equiv_reg.
7684 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7686 * c-common.h (flag_const_strings): Don't declare.
7687 * c-common.c (flag_const_strings): Remove.
7688 * c.opt (fconst_strings): Remove.
7689 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7690 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7691 (c_common_init_options): Don't set flag_const_strings.
7692 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7694 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7696 * arm.md (tlobits_cbranch): New pattern.
7697 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7698 testing a single bit.
7700 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7703 * tree-ssa-pre.c (create_component_ref_by_pieces):
7704 Handle RETURN_DECL like VAR_DECL.
7706 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7709 * fold-const.c (fold_indirect_ref_1): Fold
7710 "*(foo *)&complexfoo" to "__real__ complexfoo"
7711 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7713 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7715 * tree-flow-inline.h (var_can_have_subvars):
7716 Volatile variables should not have subvariables.
7718 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7721 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7722 multiplying unsigned values.
7725 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7727 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7729 2006-02-08 Jason Merrill <jason@redhat.com>
7732 * tree.def: Elaborate on difference from MODIFY_EXPR.
7733 * doc/c-tree.texi (INIT_EXPR): Likewise.
7734 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7735 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7736 (gimplify_target_expr): Likewise.
7737 (gimplify_cond_expr): Remove target handling.
7738 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7739 (gimplify_expr): Clobber it here.
7740 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7741 Do return slot optimization if we have an INIT_EXPR.
7744 * tree-inline.c (declare_return_variable): Also clear
7745 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7748 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7751 * gimplify.c (gimplify_one_sizepos): Fix typo.
7753 2006-02-08 Jeff Law <law@redhat.com>
7755 PR tree-optimization/21417
7756 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7757 across a backedge if the control statement at the end of the
7758 block is data dependent on other statements in the same block.
7759 (record_temporary_equivalences_from_stmts): Remove over-conservative
7760 test for threading across backedges.
7762 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7763 control statement, handle all three special cases in the same
7764 manner as they all have the same desired solution. No longer
7765 special case edge flag updating when the post dominator is
7768 2006-02-08 Roger Sayle <roger@eyesopen.com>
7770 * tree.def (CHAR_TYPE): Remove.
7771 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7772 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7773 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7774 (gen_string_type_die): Delete unreachable function.
7776 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7777 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7778 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7779 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7780 * builtins.c (type_to_class): Likewise.
7781 * fold-const.c (fold_convert, build_range_check,
7782 merge_ranges): Likewise.
7783 * expr.c (count_type_elements): Likewise.
7784 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7785 * stor-layout.c (layout_type): Likewise.
7786 * ipa-type-escape.c (type_to_consider): Likewise.
7787 * gimplify.c (omp_firstprivatize_type_sizes,
7788 gimplify_type_sizes): Likewise.
7789 * explow.c (promote_mode): Likewise.
7790 * tree-sra.c (is_sra_scalar_type): Likewise.
7791 * varasm.c (output_constant): Likewise.
7792 * tree-inline.c (remap_type_1): Likewise.
7793 * convert.c (convert_to_pointer, convert_to_real,
7794 convert_to_integer, convert_to_complex): Likewise.
7796 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7798 * df-scan.c (df_def_record_1): A set destination may
7799 be a parallel regardless of mode.
7801 2006-02-08 Roger Sayle <roger@eyesopen.com>
7804 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7805 * config/mips/_tilib.c: Remove.
7806 * config/fixtfdi.c: New libgcc source file.
7807 * config/fixunstfdi.c: New source file.
7808 * config/floatditf.c: New source file.
7809 * config/floatunditf.c: New souce file.
7810 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7811 files above instead of config/mips/_tilib.c.
7812 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7814 2006-02-08 Jeff Law <law@redhat.com>
7816 PR tree-optimization/26169
7817 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7820 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7822 * df.h (DF_REG_SIZE): Return the length of the initialized
7825 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7827 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7828 __muldf3): Return a correctly signed zero.
7830 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7832 * passes.c (register_one_dump_file): Accept the current properties
7833 instead of pass number. Adjust call to dump_register. Remove
7835 (register_dump_files): Now a wrapper around...
7836 (register_dump_files_1): ... this one. Do not modify the pass
7838 (next_pass_1): Cosmetic fix.
7839 (execute_todo): Keep second parameter only. Use curr_properties
7840 instead of fetching it from the pass structure. Check and set
7842 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7843 instead of fetching it from the pass structure. Fix calls to
7844 execute_todo. Update curr_properties and initialize .vcg RTL dump
7845 after running the pass. Reset last_verified.
7846 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7848 (FIRST_AUTO_NUMBERED_DUMP): New.
7849 (dump_register): Remove "num" parameter, assign it within the
7851 (get_dump_file_name): Modify template for dumps.
7852 * tree-dump.h (dump_register): Adjust prototype.
7853 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7854 (PROP_trees): Add PROP_gimple_lomp.
7855 (TODO_set_props): New.
7856 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7857 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7858 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7860 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7862 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7863 (sparc64-*-linux*): Likewise.
7864 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7865 * config/sparc/t-linux: New file.
7866 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7867 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7868 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7869 -m32 -mlong-double-128.
7871 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7872 * config/alpha/t-linux: New file.
7873 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7875 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7876 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7877 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7878 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7879 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7880 (CPP_ARCH32_SPEC): Remove.
7882 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7884 PR tree-optimization/26145
7885 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7888 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7891 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7892 >= 240000 when generating code for SOM runtime.
7893 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7894 to $$dyncall when generating code for SOM runtime..
7896 2006-02-07 Dirk Mueller <dmueller@suse.com>
7899 * doc/invoke.texi (-Wsequence-point): Update documentation
7900 that -Wsequence-point is implemented for C++ as well.
7902 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7904 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7905 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7906 (LIB_SPEC): Likewise.
7907 * doc/invoke.texi (SPARC options): Document -pthread.
7909 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7911 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7914 2006-02-07 Roger Sayle <roger@eyesopen.com>
7916 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7917 Correct comment describing BOOLEAN_TYPE.
7919 2006-02-07 Dirk Mueller <dmueller@suse.com>
7921 * c.opt: C++ frontend supports -Wdiv-by-zero.
7922 * c-opts.c (c_common_handle_option): Remove dead case.
7924 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7926 * configure.ac (TLS assembler check): Do not enable TLS by
7927 default on SPARC/Solaris before version 10.
7928 * configure: Regenerate.
7930 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7932 * doc/invoke.texi (xl-compat): Document conversion and support
7935 2006-02-07 Jeff Law <law@redhat.com>
7937 * tree-vrp.c (find_conditional_asserts): Update comments.
7938 (simplify_stmt_for_jump_threading): New.
7939 (identify_jump_threads, finalize_jump_threads): New.
7940 (vrp_finalize): Call identify_jump_threads.
7941 (execute_vrp): Call finalize_jump_threads.
7942 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7943 (vrp_element, vrp_data, vrp_element_p): Remove.
7944 (vrp_hash_elt, vrp_variables_stack): Remove.
7945 (vrp_hash, vrp_eq, record_range): Remove.
7946 (simplify_cond_and_lookup_avail_expr): Remove.
7947 (extract_range_from_cond): Remove.
7948 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7949 (simplify_stmt_for_jump_threading): New.
7950 (dom_thread_across_edge): New wrapper.
7951 (tree_ssa_dominator_optimize): No longer initialize or
7952 finalize any of the VRP datastructures. Remove iteration
7953 step and simplify as a result of removal of iteration step.
7954 (pass_dominator): Perform a cfg cleanup after DOM.
7955 (dom_opt_finalize_block): Use the new common routines
7956 for threading jumps. Simplify stack management slightly.
7957 No longer need to unwind VRP state.
7958 (record_equivalences_from_incoming_edge): No longer record
7960 (eliminate_redundant_computations): No longer call
7961 simplify_cond_and_lookup_avail_expr.
7962 * tree-flow.h (potentially_threadable_block): Prototype.
7963 (thread_across_edge): Likewise.
7964 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7965 (tree-ssa-threadedge.o): Add dependencies.
7966 * tree-ssa-threadedge.c: New file.
7967 * passes.c (init_optimization_passes): Merge PHIs before
7968 calling VRP. Run VRP again late in the SSA optimization pipeline.
7970 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7972 * df-core.c (df_set_blocks): Do not dereference function pointers.
7973 (df_finish1): Likewise.
7974 (df_hybrid_search_forward): Likewise.
7975 (df_hybrid_search_backward): Likewise.
7976 (df_iterative_dataflow): Likewise.
7977 (df_analyze_problem): Likewise.
7978 (df_compact_blocks): Likewise.
7979 (df_dump): Likewise.
7980 * df-scan.c (df_rescan_blocks): Likewise.
7981 (df_record_entry_block_defs): Likewise.
7983 * genconditions.c (write_conditions): Guard the definition of
7984 'insn_conditions' with the check on GCC version.
7985 (write_writer): Guard the traversal 'insn_conditions' with
7986 the check on GCC version.
7988 2006-02-07 Richard Guenther <rguenther@suse.de>
7992 2006-01-30 Richard Guenther <rguenther@suse.de>
7994 * gimplify.c (gimplify_target_expr): Handle easy cases
7995 without creating a temporary.
7997 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7999 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8000 use of float in probability computations. Use edge probabilities
8001 in place of statically computed probabilities.
8002 (min_spec_prob): New static variable.
8003 (schedule_insns): Initialize it.
8004 (GET_SRC_PROB): Removed.
8005 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8007 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8010 * config/ia64/unwind-ia64.c: Revert last change.
8011 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8012 (INCOMING_FRAME_SP_OFFSET): Define.
8014 2006-02-06 Roger Sayle <roger@eyesopen.com>
8016 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8018 2006-02-07 Ben Elliston <bje@au.ibm.com>
8020 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8021 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8022 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8023 (ix86_return_in_memory): Handle TDmode.
8024 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8025 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8027 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8029 * reorg.c (dbr_schedule): Use dump_file instead of file.
8031 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8034 * config/ia64/predicates.md (extr_len_operand): New predicate.
8035 * config/ia64/ia64.md (extv): Tighten constraints.
8037 (*tbit_and_2): Ditto.
8038 (*tbit_and_3): Ditto.
8039 (*tbit_or_2): Ditto.
8040 (*tbit_or_3): Ditto.
8044 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8047 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8049 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8051 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8052 loop_optimizer_init and loop_optimizer_finalize
8053 * tree-ssa-sink.c (execute_sink_code): Ditto.
8054 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8055 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8056 tree_ssa_loop_done): Ditto.
8057 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8058 * sched-ebb.c: Include output.h.
8059 (schedule_ebbs): Do not use dump argument.
8060 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8061 * loop.c (loop_dump_stream): Removed.
8062 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8064 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8065 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8066 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8067 loop_iterations, strength_reduce, record_biv, record_giv,
8068 final_giv_value, check_final_value, check_ext_dependent_givs,
8069 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8070 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8071 dump_file instead of loop_dump_stream.
8072 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8074 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8076 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8077 * haifa-sched.c: Include output.h
8078 (schedule_insns, sched_init): Do not use dump argument.
8079 * mode-switching.c (optimize_mode_switching): Ditto.
8080 * modulo-sched.c (stats_file): Removed.
8081 (print_node_sched_params): Do not call argument dump_file.
8082 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8083 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8085 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8087 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8088 rtl_loop_init, rtl_loop_done): Ditto.
8089 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8090 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8092 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8093 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8094 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8095 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8096 * emit-rtl.c (renumber_insns): Ditto.
8097 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8098 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8099 * regclass.c (regclass): Ditto.
8100 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8101 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8102 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8103 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8105 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8106 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8108 * gcse.c (gcse_file, debug_stderr): Removed.
8109 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8110 rest_of_handle_gcse): Do not use dump argument.
8111 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8112 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8113 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8114 compute_code_hoist_vbeinout, compute_code_hoist_data,
8115 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8116 compute_store_table, build_store_vectors, insert_insn_start_bb,
8117 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8118 store_motion): Use dump_file instead of gcse_file.
8119 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8120 * profile.c (profile_dump_file): Removed.
8121 (branch_prob): Use dump_file instead of profile_dump_file.
8122 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8124 * tree-ssa-copy.c (dump_copy_of): Ditto.
8125 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8126 dump file to life_analysis.
8127 * bt-load.c (branch_target_load_optimize): Ditto.
8128 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8130 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8131 regclass, dbr_schedule): Declaration changed.
8132 * sched-int.h (sched_init): Declaration changed.
8133 * tree-profile.c (tree_profile_dump_file): Removed.
8134 (tree_profile_hooks): Removed profile_dump_file hook.
8135 * rtl-profile (rtl_profile_dump_file): Removed.
8136 (rtl_profile_hooks): emoved profile_dump_file hook.
8137 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8139 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8140 * tree-cfg.c (build_tree_cfg): Ditto.
8141 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8142 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8143 Declaration changed.
8144 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8145 life_analysis and schedule_insns.
8146 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8148 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8150 * config/mips/mips.c (mips_reorg): Ditto.
8151 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8154 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8156 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8157 (s390_mangle_fundamental_type): New.
8158 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8161 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8162 (alpha_mangle_fundamental_type): New.
8163 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8166 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8168 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8170 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8171 (sparc_mangle_fundamental_type): New.
8173 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8175 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8176 (s390x-*-linux*): Likewise.
8177 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8178 * config/s390/t-linux: New file.
8180 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8182 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8183 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8185 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8187 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8188 (ANTIC_SAFE_LOADS): New macro.
8189 (find_or_generate_expression): Add prototype.
8190 (set_contains_value): Allow null set for sake of not always having
8191 to allocate ANTIC_SAFE_LOADS.
8192 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8193 Allow COMPONENT_REF too.
8194 (valid_in_set): Allow COMPONENT_REF.
8195 Check ANTIC_SAFE_LOADS too.
8196 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8197 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8199 (can_PRE_operation): Add COMPONENT_REF.
8200 (create_component_ref_by_pieces): New function.
8201 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8202 (insert_aux): Move AGGREGATE_TYPE_P check here.
8203 (compute_avail): Set bb local stmt uids.
8204 (pass_pre): Use TODO_update_ssa_only_virtuals.
8206 2006-02-06 Ben Elliston <bje@au.ibm.com>
8208 * configure.ac: Unconditionally disable decimal float by default.
8209 * configure: Regenerate.
8211 2006-02-06 Ben Elliston <bje@au.ibm.com>
8213 * read-rtl.c (read_name): Terminate reading on EOF.
8215 2006-02-06 Ben Elliston <bje@au.ibm.com>
8217 * dfp.c (decimal_real_arithmetic): Change second argument type
8218 from int to enum tree_code. Do not always return true, but now
8219 return result of any call to decimal_do helper functions.
8220 * dfp.h (decimal_real_arithmetic): Update prototype.
8222 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8224 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8226 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8229 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8232 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8234 * tree-vrp.c (cfg_loops): Removed.
8235 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8236 Use current_loops instead of cfg_loops. Pass flags to
8237 loop_optimizer_init.
8238 * cfgloopmanip.c (fix_loop_structure): Update only available
8240 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8241 loop_optimizer_init.
8242 * modulo-sched.c (build_loops_structure): Removed.
8243 (sms_schedule): Use loop_optimizer_init.
8244 * loop-init.c (loop_optimizer_init): Use flags to determine
8245 which properties of loops to prepare.
8246 (rtl_loop_init): Pass flags to loop_optimizer_init.
8247 * tree-ssa-sink.c (execute_sink_code): Ditto.
8248 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8249 * tree-ssa-pre.c (init_pre): Ditto.
8250 * cfgloop.h (LOOPS_NORMAL): New.
8251 (loop_optimizer_init): Declaration changed.
8253 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8255 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8256 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8258 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8260 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8262 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8263 * pa/t-pa64: Delete quadlib.c rule.
8264 * pa/x-ada: Revert last change.
8265 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8267 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8269 PR rtl-optimization/26087
8270 * rtlanal.c (canonicalize_condition): Do not cross basic block
8273 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8276 * config/ia64/ia64.c: Include debug.h.
8277 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8278 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8279 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8280 (process_epilogue, process_set, process_for_unwind_directive):
8281 Output unwind info only if requested. Add CFA info if requested.
8282 Add new arguments as needed. Adjust callers.
8283 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8285 (DWARF2_FRAME_INFO): Define to zero.
8286 * config/ia64/unwind-ia64.c: Remove code that compensated for
8287 the CFA offset error fixed above.
8288 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8289 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8290 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8291 -funwind-tables and -fexceptions to enable frame info.
8292 (dwarf2out_frame_init): Define initial CFA even if
8293 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8294 DWARF2_UNWIND_INFO is nonzero, not just defined.
8295 (dwarf2out_frame_finish): Output non-EH call frame info only
8296 if DWARF2_FRAME_INFO is nonzero.
8297 (convert_cfa_to_loc_list,
8298 compute_frame_pointer_to_cfa_displacement): Define even if
8299 unwind info is not supported.
8300 (gen_subprogram_die): Use the above unconditionally. Remove
8301 legacy alternate code.
8302 * toplev.c (compile_file): Compile in call to
8303 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8304 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8306 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8307 Jakub Jelinek <jakub@redhat.com>
8309 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8310 IBM extended float format long double as "g" on powerpc*-linux.
8312 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8315 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8316 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8318 2006-02-03 Jason Merrill <jason@redhat.com>
8321 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8324 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8325 on the return slot if it's an NRV.
8327 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8329 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8330 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8331 rewrite_use): Do not handle USE_OUTER.
8332 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8333 add_iv_outer_candidates, may_replace_final_value,
8334 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8335 (find_interesting_uses_op): Functionality of
8336 find_interesting_uses_outer_or_nonlin moved here.
8337 (find_interesting_uses_outside): Use find_interesting_uses_op.
8339 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8342 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8344 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8345 Ulrich Weigand <uweigand@de.ibm.com>
8348 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8349 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8350 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8351 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8353 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8354 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8355 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8356 Define secondary reloads for TFmode moves.
8357 (constant_modes): Add TFmode.
8358 (NR_C_MODES): Set to 8.
8359 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8361 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8362 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8363 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8364 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8365 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8366 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8367 (FPR mode macro): Add TFmode.
8368 (DSF mode macro): New.
8369 (<de>, <dee> mode attributes): Removed.
8370 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8371 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8372 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8373 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8374 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8375 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8376 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8377 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8378 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8379 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8380 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8381 "*negabs<mode>2", "sqrt<mode>2"):
8382 Changed <de> to <xde>. R constraint replaced by <Rf>.
8383 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8385 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8386 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8387 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8389 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8390 "extenddftf2", "extendsftf2"): New expanders.
8391 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8392 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8393 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8394 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8396 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8397 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8398 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8399 __floatditf): Add a GCC_4.1.0 symbol version tag.
8400 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8403 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8406 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8407 Use targetm.binds_local_p instead of TREE_PUBLIC.
8409 2006-02-02 Roger Sayle <roger@eyesopen.com>
8411 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8412 on INTEGER_TYPEs to indicate that it denotes a character type.
8413 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8414 signed_char_type_node, unsigned_char_type_node and char_type_node.
8415 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8416 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8417 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8419 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8420 Daniel Berlin <dberlin@dberlin.org>
8422 * tree-tailcall.c (arg_needs_copy_p): New function.
8423 (eliminate_tail_call): Use arg_needs_copy_p.
8424 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8425 (add_virtual_phis): New function.
8427 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8429 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8430 #ignore instead of #scratch for %g7 .register directive.
8432 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8434 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8437 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8439 * flow.c (calculate_global_regs_live): Assert that there aren't any
8442 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8444 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8446 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8447 bsi_after_labels iterator.
8448 * tree-if-conv.c (find_phi_replacement_condition,
8449 replace_phi_with_cond_modify_expr): Likewise.
8450 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8451 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8453 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8455 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8457 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8460 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8461 array after growing it.
8463 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8466 * fold-const.c (fold_checksum_tree): Change type of buf.
8468 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8470 * reload.c (push_secondary_reload): Initialize t_icode.
8472 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8474 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8475 -msoft-float -mlong-double-128 only issue a warning, but don't
8476 swich to DFmode long double.
8478 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8480 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8481 has a constant equivalent, iterate over equivalents for arg0,
8482 calling simplify_relational_operation and if there's a result
8483 cheaper than X, apply fold_rtx and return the result.
8485 2006-02-01 Jan Hubicka <jh@suse.cz>
8487 * opts.c (no_unit_at_a_time_default): New global variable.
8488 (decode_options): Use it.
8489 * opts.h (no_unit_at_a_time_default): Declare.
8491 2006-02-01 Paul Brook <paul@codesourcery.com>
8493 * function.c (assign_parm_setup_reg): Use function argument promotion
8495 * expr.c (expand_expr_real_1): Use function argument promotion rules
8498 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8500 * gcc.c (process_command): Change j to 'unsigned int'.
8502 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8505 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8506 Use the corrected index for the character
8507 out of the string constant.
8509 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8511 * mode-switching.c (optimize_mode_switching): Fix size
8512 allocated for bb_info[n_entities].
8514 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8516 * gcc.c (main): Correct type that is allocated for
8517 explicit_link_files.
8519 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8521 * config/s390/s390.c (init_alignment_context): Set
8522 ALIAS_SET_MEMORY_BARRIER on the MEM.
8523 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8525 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8528 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8530 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8533 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8535 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8536 * regrename.c: Ditto.
8537 * tree-ssa-loop-im.c: Ditto.
8538 * tree-dump.c: Ditto.
8539 * tree-complex.c: Ditto.
8540 * genrecog.c: Ditto.
8541 * tree-ssa-threadupdate.c: Ditto.
8543 * java/class.c: Ditto.
8544 * java/jcf-parse.c: Ditto.
8545 * java/resource.c: Ditto.
8546 * java/except.c: Ditto.
8547 * java/jvspec.c: Ditto.
8548 * java/jcf-write.c: Ditto.
8549 * java/jcf-path.c: Ditto.
8550 * java/gjavah.c: Ditto.
8551 * java/zextract.c: Ditto.
8552 * java/jcf-io.c: Ditto.
8553 * java/jcf.h: Ditto.
8554 * java/buffer.c: Ditto.
8555 * java/lang.c: Ditto.
8556 * java/parse-scan.y: Ditto.
8557 * java/lex.c: Ditto.
8558 * java/lex.h: Ditto.
8559 * cfgloopmanip.c: Ditto.
8560 * postreload-gcse.c: Ditto.
8561 * tree-ssa-loop-manip.c: Ditto.
8562 * postreload.c: Ditto.
8563 * tree-ssa-loop-ch.c: Ditto.
8567 * diagnostic.c: Ditto.
8569 * genoutput.c: Ditto.
8571 * cfghooks.c: Ditto.
8572 * cfgloopanal.c: Ditto.
8573 * objc/objc-act.c: Ditto.
8575 * genextract.c: Ditto.
8576 * genautomata.c: Ditto.
8577 * pretty-print.c: Ditto.
8579 * cgraphunit.c: Ditto.
8582 * haifa-sched.c: Ditto.
8583 * dominance.c: Ditto.
8585 * tree-ssa-loop-ivopts.c: Ditto.
8587 * mode-switching.c: Ditto.
8588 * modulo-sched.c: Ditto.
8590 * ipa-pure-const.c: Ditto.
8592 * fix-header.c: Ditto.
8594 * tree-stdarg.c: Ditto.
8595 * ipa-utils.c: Ditto.
8596 * loop-init.c: Ditto.
8597 * ipa-inline.c: Ditto.
8600 * alloc-pool.c: Ditto.
8601 * dwarf2out.c: Ditto.
8603 * genattrtab.c: Ditto.
8604 * tree-ssa-loop-ivcanon.c: Ditto.
8608 * fortran/gfortranspec.c: Ditto.
8610 * local-alloc.c: Ditto.
8611 * langhooks.c: Ditto.
8612 * function.c: Ditto.
8613 * tree-vectorizer.c: Ditto.
8615 * ipa-type-escape.c: Ditto.
8617 * tree-if-conv.c: Ditto.
8620 * tree-data-ref.c: Ditto.
8621 * loop-unroll.c: Ditto.
8622 * treelang/treetree.c: Ditto.
8625 * ggc-common.c: Ditto.
8627 * coverage.c: Ditto.
8629 * tree-cfgcleanup.c: Ditto.
8630 * tree-ssa-pre.c: Ditto.
8631 * cfgcleanup.c: Ditto.
8632 * loop-invariant.c: Ditto.
8634 * ipa-prop.c: Ditto.
8635 * print-tree.c: Ditto.
8636 * conflict.c: Ditto.
8637 * ggc-page.c: Ditto.
8638 * sched-deps.c: Ditto.
8639 * regclass.c: Ditto.
8640 * tree-object-size.c: Ditto.
8642 * bb-reorder.c: Ditto.
8643 * resource.c: Ditto.
8644 * var-tracking.c: Ditto.
8646 * df-problems.c: Ditto.
8647 * reg-stack.c: Ditto.
8650 * sched-rgn.c: Ditto.
8651 * tree-ssa-structalias.c: Ditto.
8652 * tree-ssa-reassoc.c: Ditto.
8653 * config/darwin-c.c: Ditto.
8654 * config/darwin.c: Ditto.
8655 * config/arm/arm.c: Ditto.
8657 * collect2.c: Ditto.
8660 2006-01-31 Nicolas Pitre <nico@cam.org>
8662 * arm.md (smaxsi3): Make aware of smax_m1.
8665 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8667 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8669 2006-01-31 Richard Guenther <rguenther@suse.de>
8671 * doc/invoke.texi (-msselibm): Document.
8672 * target.h (expand_library_builtin): New target hook.
8673 * builtins.c (expand_builtin): Use expand_library_builtin.
8674 (default_expand_library_builtin): New function.
8675 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8676 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8677 (link_gcc_math_spec): Declare.
8678 (static_specs): Add link_gcc_math_spec.
8679 * expr.h (default_expand_library_builtin): Declare.
8680 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8681 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8682 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8683 * config/i386/i386.opt (msselibm): New target option.
8684 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8685 (ix86_init_sse_abi_builtins): New function.
8686 (ix86_expand_library_builtin): Likewise.
8687 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8688 (override_options): Handle error conditions wrt -msselibm.
8689 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8690 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8691 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8694 2006-01-31 Richard Guenther <rguenther@suse.de>
8695 Paolo Bonzini <bonzini@gnu.org>
8697 * doc/install.texi (--disable-libgcc-math): Document.
8699 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8701 * expr.h (expand_normal): new inline function.
8702 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8704 * dwarf2out.c: use it.
8709 * config/sparc/sparc.c: use it.
8710 * config/i386/i386.c: use it.
8711 * config/rs6000/rs6000.c: use it.
8712 * config/arm/arm.c: use it.
8713 * config/mips/mips.c: use it.
8714 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8716 2006-01-30 Roger Sayle <roger@eyesopen.com>
8718 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8719 argv to the appropriate type.
8721 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8723 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8726 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8729 * config/s390/s390.c (struct machine_function): New flag
8730 decomposed_literal_pool_addresses_ok_p.
8731 (s390_reorg): Set it before final stage of literal pool transforms.
8732 (s390_decompose_address): Only accept displacements of the form
8733 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8735 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8737 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8738 the comparison routine return.
8740 2006-01-30 Michael Matz <matz@suse.de>
8742 * global.c (find_reg): Only evict for global regs.
8743 Take n_refs into account and dump more info.
8745 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8748 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8749 (pragma_trap, pragma_nosave_low_regs): Likewise.
8750 (current_function_anonymous_args): Likewise.
8751 (sh_deferred_function_attributes): New variable.
8752 (sh_deferred_function_attributes_tail): Likewise.
8753 (print_operand): For '@', look up trap_exit attribute.
8754 (calc_live_regs): Look up trapa_handler attribute. For trapa
8755 handlers, save/restore fpscr, but don't do any other
8756 interrupt-specific saves.
8757 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8758 Fix check for partially saved registers to check for SHmedia.
8759 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8760 (sh_output_function_epilogue): Don't clear any of the removed
8762 (sh_insert_attributes): Don't check pragma_interrupt.
8763 Insert deferred attributes. Check that interrupt attribute is
8764 present for other attributes that require its presence.
8765 (sh_attribute_table): Add new attributes trapa_handler and
8767 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8768 Don't check for pragma_interrupt. Don't store argument.
8769 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8770 (sh_deferred_function_attributes): Declare.
8771 (sh_deferred_function_attributes_tail): Likewise.
8772 * sh.md (sp_switch_1): Add operand. Change generator caller.
8773 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8774 (*return_i): Don't use when trap_exit attribute is in effect.
8775 (*return_trapa): New insn pattern.
8777 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8778 setting c_target_objs and cxx_target_objs.
8779 * t-sh: Add rule for sh-c.o.
8781 2006-01-30 Richard Guenther <rguenther@suse.de>
8784 * gimplify.c (gimplify_target_expr): Handle easy cases
8785 without creating a temporary.
8787 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8789 * vec.h (safe_grow): Remove duplicated line.
8791 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8794 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8795 (expand_omp): ... here.
8796 (expand_omp_parallel): Only remove barriers for combined
8797 parallel+workshare constructs.
8799 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8803 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8804 * tree.c (build_qualified_type): Chain the new type to the original
8805 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8806 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8807 (build_pointer_type_for_mode): Only return unqualified types.
8808 (build_reference_type_for_mode): Likewise.
8810 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8812 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8813 * Makefile.in (CXX_COMPAT_WARN): Define.
8814 * configure: Regenerate.
8816 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8819 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8822 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8824 * toplev.c: Fix thinko.
8826 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8827 Marcin Dalecki <martin@dalecki.de>
8829 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8830 (push_srcloc): Use XNEW.
8831 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8833 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8835 * df-core.c (df_set_blocks): Deleted all variable.
8837 2006-01-28 Ian Lance Taylor <ian@airs.com>
8839 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8840 cgraph_output_pending_asms.
8842 2006-01-28 Zack Weinberg <zackw@panix.com>
8844 * c.opt: Add -W(no-)overlength-strings.
8845 * doc/invoke.texi: Document it.
8846 * c-opts.c (c_common_handle_option): -pedantic implies
8847 -Woverlength-strings, if not explicitly disabled already.
8848 (c_common_post_options): -Woverlength-strings defaults to off, and
8849 is always off for C++.
8850 * c-common.c (fix_string_type): Issue warning about strings longer
8851 than is portable only if warn_overlength_strings. Rearrange code
8852 a little for clarity.
8853 * configure.in: Check for -Wno-overlength-strings as well before
8854 enabling -pedantic in stage 1.
8855 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8856 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8858 * genconditions.c (write_header, write_one_condition)
8859 (write_conditions, write_writer): Consolidate very long strings
8860 that were broken up to fit in C89 portable limit. Don't use
8861 printf when fputs will do.
8863 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8865 * combine.c (simplify_comparison <AND>): Check
8866 TRULY_NOOP_TRUNCATION before start using a subreg.
8868 * config/mips/mips.md (*branch_zero<mode>,
8869 *branch_zero<mode>_inverted, *branch_equality<mode>,
8870 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8871 Remove mode check from comparisons.
8873 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8875 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8877 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8879 * expmed.c (const_mult_add_overflow_p): Remove.
8880 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8882 * recog.c (validate_replace_rtx_subexp): Remove.
8883 * recog.h: Remove the prototype for
8884 validate_replace_rtx_subexp.
8886 * integrate.h: Remove the prototype for
8887 copy_decl_for_inlining.
8888 * rtl.h: Remove the prototype for mark_constant_function.
8889 * tree-vectorizer.h: Remove the prototype for
8890 vect_strip_conversion.
8892 * modulo-sched.c (create_partial_schedule,
8893 free_partial_schedule, reset_partial_schedule): Make them
8896 * hooks.c (hook_bool_rtx_int_false): Remove.
8897 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8899 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8901 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8902 and -mlong-double-128 are incompatible.
8903 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8904 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8905 (TARGET_LIBGCC2_CFLAGS): Define.
8906 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8907 (TARGET_LIBGCC2_CFLAGS): Same.
8908 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8910 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8913 * c-typeck.c (build_binary_op): Perform implicit casts of
8914 operands before shortening them.
8916 * cfgloopmanip.c (split_loop_bb): Remove.
8917 * cfgloop.h: Remove the prototype for split_loop_bb.
8919 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8920 * cfgloop.h: Remove the prototype for
8921 flow_loop_outside_edge_p.
8923 * emit-rtl.c (init_virtual_regs): Make it static.
8924 * function.h: Remove the prototype for init_virtual_regs.
8926 * recog.c (peephole2_optimize): Make it static.
8927 * recog.h: Remove the prototype for peephole2_optimize.
8929 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8931 * df-scan.c (df_record_entry_block_defs): Check if
8932 INCOMING_RETURN_ADDR_RTX is defined.
8934 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8935 Kenneth Zadeck <zadeck@naturalbridge.com>
8937 PR rtl-optimization/24762
8938 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8939 * targhooks.c (hook_void_bitmap): New hook prototype.
8940 * targhoohs.h (hook_void_bitmap): Ditto.
8941 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8942 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8943 * target.h (live_on_entry): New function pointer.
8944 * df-scan.c (df_all_hard_regs): Removed.
8945 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8946 (df_scan_free_internal): Added df->entry_block_defs.
8947 (df_scan_alloc): Ditto.
8948 (df_scan_dump): Ditto.
8949 (df_uses_record): Plumbed flag field properly thru calls.
8950 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8951 This part fixes PR24762.
8952 (df_bb_refs_record): Added code to make the frame and arg
8953 pointers live in EH blocks.
8954 (df_refs_record): Added call to df_record_entry_block_defs.
8955 (df_record_entry_block_defs): New function.
8956 * df-core.c: Added comments to describe new artifical defs.
8957 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8958 (entry_block_defs): New field in struct df.
8959 (df_all_hard_regs): Deleted.
8960 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8961 * df-problems.c (df_ru_bb_local_compute_process_def):
8962 Added code to handle artifical defs in the entry to a function.
8963 (df_ru_bb_local_compute): Ditto.
8964 (df_rd_bb_local_compute_process_def): Ditto.
8965 (df_rd_bb_local_compute): Ditto.
8966 (df_lr_bb_local_compute): Ditto.
8967 (df_ur_bb_local_compute): Ditto.
8968 (df_urec_bb_local_compute): Ditto.
8969 (df_chain_create_bb): Ditto.
8970 (df_ur_local_finalize): Removed entry.
8971 (df_urec_init): Ditto.
8972 (df_urec_local_finalize): Ditto.
8973 (df_ri_bb_compute): Added detection of last use of pseudos.
8974 * Makefile.in (df-scan.o): Updated dependencies.
8975 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8976 * config/mips/mips.c (mips_set_live_on_entry): Added.
8977 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8979 * dce.c (marked_insn_p): Added code to handle artifical defs.
8981 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8983 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8985 (_mm_cvtsi128_si64): Likewise.
8986 (_mm_cvtsd_si64): Likewise.
8987 (_mm_cvttsd_si64): Likewise.
8988 (_mm_cvtsi64_sd): Likewise.
8989 (_mm_cvtsi64_si128): Likewise.
8990 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8991 (_mm_cvtsi64_m64): Likewise.
8992 (_m_to_int64): Likewise.
8993 (_mm_cvtm64_si64): Likewise.
8994 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8995 (_mm_cvttss_si64): Likewise.
8996 (_mm_cvtsi64_ss): Likewise.
8997 (_mm_cvtss_f32): Likewise.
8999 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9001 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9002 for pragma redefine_extname.
9004 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9007 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9008 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9009 -mno-minimal-toc to previous content.
9010 (bispecs): Remove goal.
9011 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9012 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9013 compatibility aliases on powerpc-*-*gnu*.
9014 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9015 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9016 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9017 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9018 (ldblspecs): New goal.
9019 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9020 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9022 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9023 L_sf_to_tf or L_df_to_tf is defined.
9025 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9026 Alan Modra <amodra@bigpond.net.au>
9029 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9030 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9031 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9032 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9033 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9034 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9035 (rs6000_override_options): Initialize rs6000_ieeequad.
9036 Initialize TFmode format to ibm_extended_format if not
9038 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9040 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9041 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9042 (function_arg_advance): IBM long double passed in two FPRs, not
9044 (function_arg): IBM long double passed in FPRs.
9045 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9046 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9047 Only multireg GPR aligned.
9048 (rs6000_init_libfuncs): Enable IBM long double functions if not
9050 (rs6000_generate_compare): Use IBM long double compare if not
9052 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9053 (TARGET_IEEEQUAD): Define.
9054 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9055 not TARGET_IEEEQUAD.
9056 * config/rs6000/rs6000.md: Enable TFmode patterns if
9058 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9059 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9060 and -mlong-double-128 are incompatible.
9061 * doc/invoke.texi (-mabi): Collect options together. Add
9062 ibmlongdouble and ieeelongdouble.
9064 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9066 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9068 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9069 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9070 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9071 * rtl.h (rtunion_def): Remove rt_ptr.
9073 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9074 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9075 * config/i386/winnt.c (i386_pe_mark_dllexport)
9076 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9078 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9080 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9082 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9086 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9087 pthread_key_delete. From John David Anglin. gthrw-ify
9088 pthread_getunique_np only if it it's not a macro. Delete
9090 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9091 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9092 __gthread_objc_condition_signal, __gthread_key_delete): Add
9093 "__attribute__ ((__unused__))" to unused arguments.
9094 (__gthread_recursive_mutex_init_function): Add missing return.
9095 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9096 gthr-posix95.h: Use macro-based approach for name redirection
9097 on targets missing weakref.
9099 2006-01-26 Zack Weinberg <zackw@panix.com>
9101 * genconditions.c (write_header): In generated code, #ifdef out
9102 all includes and fake declarations, except includes of bconfig.h
9103 and system.h, unless GCC_VERSION >= 3001. Do not include
9104 gensupport.h in any case.
9105 (write_conditions): Generate a definition of struct c_test. Add
9106 a comment to the generated #endif.
9107 (write_one_condition): Escape backslashes in string too.
9108 (write_writer): Generated code must escape backslashes and quote
9109 marks (but not newlines) in the strings it writes.
9110 * Makefile.in (build/gencondmd.o): Update dependencies.
9112 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9115 * Makefile.in (insn-automata.o): Add header file dependencies.
9116 * genautomata.c: Add includes.
9118 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9121 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9123 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9125 * configure.ac: Expect target tools paths to be passed from the toplevel
9126 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9128 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9130 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9133 * c.opt (Wpointer-sign): Init to -1.
9134 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9135 OPT_pedantic, to 0 otherwise.
9136 * doc/invoke.texi: Update.
9138 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9140 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9141 constants provided by 80387 instructions in the destination mode.
9143 2006-01-26 Richard Guenther <rguenther@suse.de>
9144 Andrew Pinski <pinskia@physics.uc.edu>
9147 partial PR tree-opt/17064
9148 * tree-ssa-structalias.c (intra_create_variable_infos):
9149 Create heap variables for incoming parameters if
9150 flag_argument_noalias > 1.
9151 (find_what_p_points_to): Look through default defs of
9154 2006-01-26 Jeff Law <law@redhat.com>
9157 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9158 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9159 within the VR_RANGE, use the VR_RANGE as the result, not the
9161 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9162 bounds for the type.
9164 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9166 * tree-ssa-alias.c (maybe_create_global_var): Change
9167 subvar walking to an assertion that we don't have subvar'd variables.
9169 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9172 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9173 Use a new variable, inner. PARM_DECLs are always non-weak.
9175 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9177 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9180 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9182 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9184 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9186 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9187 (smax_insn, smin_insn, smax_0, smin_0): New.
9189 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9192 * config/cris/cris.c (cris_order_for_addsi3): New function.
9193 * config/cris/cris-protos.h: Prototype it.
9194 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9195 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9196 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9197 (split for "op.S1 [rx=rx+i],ry (swapped)")
9198 (split for "op(s|u).S1 [rx=rx+i],ry")
9199 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9200 Apply cris_order_for_addsi3 when generating addsi3 insns.
9202 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9204 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9205 (TREE_BLOCK): Add call to EXPR_CHECK.
9207 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9210 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9211 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9212 (dump_omp_clauses): ... here.
9213 (dump_generic_node): Handle OMP_CLAUSE.
9214 * tree.c (omp_clause_num_ops): New.
9215 (omp_clause_code_name): New.
9216 (tree_code_size): Handle OMP_CLAUSE.
9217 (tree_size): Likewise.
9218 (make_node): Document handling of OMP_CLAUSE.
9219 (tree_node_structure): Handle OMP_CLAUSE.
9220 (omp_clause_check_failed): New.
9221 (omp_clause_range_check_failed): New.
9222 (omp_clause_operand_check_failed): New.
9223 (build_omp_clause): New.
9224 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9225 * tree.h (enum omp_clause_code): Declare.
9226 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9227 (OMP_CLAUSE_RANGE_CHECK): Define.
9228 (OMP_CLAUSE_ELT_CHECK): Define.
9229 (omp_clause_check_failed): Declare.
9230 (omp_clause_operand_check_failed): Declare.
9231 (omp_clause_range_check_failed): Declare.
9232 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9233 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9234 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9235 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9236 (OMP_CLAUSE_IF_EXPR): Likewise.
9237 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9238 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9239 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9240 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9241 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9242 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9243 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9244 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9245 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9246 (OMP_CLAUSE_CODE): Define.
9247 (OMP_CLAUSE_SET_CODE): Define.
9248 (OMP_CLAUSE_CODE): Define.
9249 (OMP_CLAUSE_OPERAND): Define.
9250 (struct tree_omp_clause): Declare.
9251 (union tree_node): Add field 'omp_clause'.
9252 * treestruct.def (TS_OMP_CLAUSE): Define.
9253 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9254 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9255 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9256 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9257 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9258 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9259 (OMP_CLAUSE): Define.
9260 * print-tree.c (print_node): Handle OMP_CLAUSE.
9261 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9262 * c-typeck.c: Likewise.
9263 * gimplify.c: Likewise.
9264 * c-omp.c: Likewise.
9265 * tree-nested.c: Likewise.
9266 * tree-inline.c: Likewise.
9267 * c-parser.c: Likewise.
9268 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9271 2006-01-25 Roger Sayle <roger@eyesopen.com>
9273 PR rtl-optimization/25703
9274 * combine.c (try_combine): Handle zero_extract and strict_low_part
9275 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9277 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9279 * global.c: Fix comment typos.
9281 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9284 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9285 Use output_addr_const instead of assemble_name.
9287 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9289 * Makefile.in (sched-vis.o): Update dependencies.
9290 * haifa-sched.c (sched_finish): Clear current_sched_info.
9291 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9292 (dump_flow_info): Call it.
9293 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9295 * basic-block.h (dump_bb_info): Declare.
9296 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9297 option, and apply options only for dump files whose TDF_RTL,
9298 TDF_TREE, or TDF_IPA bits match.
9299 * rtl.h: Declare new functions exported from sched-vis.c.
9300 * sched-vis.c: Enable also if scheduling is not used.
9301 (print_value): Print the mode of registers if not inside scheduling.
9302 (print_insn): Make it work outside the scheduler. Beautify the output
9304 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9306 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9308 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9309 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9310 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9311 depending on the value of CONSTANT_POOL_ADDRESS_P.
9312 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9314 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9315 rather than SYMBOL_REF_DECL.
9316 (rtx_constant_pool): Remove const_rtx_sym_htab.
9317 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9318 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9319 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9320 Remove handling of const_rtx_sym_htab.
9321 (find_pool_constant): Delete.
9322 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9323 rather than find_pool_constant.
9324 (get_pool_constant_for_function): Delete.
9325 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9327 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9328 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9329 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9330 (SYMBOL_REF_CONSTANT): New macro.
9331 (get_pool_constant_for_function): Delete.
9332 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9333 rather than SYMBOL_REF_DECL.
9334 (i386_pe_mark_dllimport): Likewise.
9335 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9336 rather than SYMBOL_REF_DECL.
9337 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9338 (machopic_indirect_call_target): Likewise.
9340 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9342 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9344 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9346 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9348 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9350 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9352 2006-01-24 David Daney <ddaney@avtrex.com>
9355 * configure.ac (enable_tls): New enable option.
9356 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9357 * configure: Regenerate.
9358 * doc/install.texi (--enable-tls): Document new option.
9359 (--disable-tls): Ditto.
9361 2006-01-24 Richard Henderson <rth@redehat.com>
9363 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9364 * alias.c (true_dependence): Respect it.
9365 (canon_true_dependence, write_dependence_p): Likewise.
9366 * builtins.c (get_builtin_sync_mem): Set it.
9368 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9370 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9373 2006-01-24 DJ Delorie <dj@redhat.com>
9375 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9376 for storing constants in single-bit bitfields.
9378 2006-01-25 Ben Elliston <bje@au.ibm.com>
9380 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9382 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9385 * tree-ssa-pre.c (phi_translate): Return NULL
9386 for AGGREGATE_TYPE's.
9388 2006-01-24 Zack Weinberg <zackw@panix.com>
9390 * genautomata.c (process_state_for_insn_equiv_partition):
9391 Use xcalloc for insn_arcs_array.
9392 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9393 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9395 2006-01-24 Richard Henderson <rth@redhat.com>
9397 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9400 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9402 PR rtl-optimization/25890
9403 PR rtl-optimization/25905
9404 * combine.c (expand_compound_operation, expand_field_assignment):
9405 Fail if the bitfield's final position is out of bounds.
9407 2006-01-24 Ian Lance Taylor <ian@airs.com>
9410 * cgraphunit.c (cgraph_output_in_order): Don't clear
9411 cgraph_asm_nodes until after asm strings have been output.
9413 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9415 * fix-header.c (read_scan_file): Add new parameter imultilib when
9416 calling register_include_chains.
9418 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9420 * omp-low.c: Update documentation.
9422 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9423 Daniel Berlin <dberlin@dberlin.org>
9427 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9428 return from the function.
9430 2006-01-22 Zack Weinberg <zackw@panix.com>
9432 * rtl.def (match_code): Add second argument.
9433 * genpreds.c (write_extract_subexp): New function.
9434 (write_match_code): Add path argument. Use write_extract_subexp.
9435 (write_predicate_expr): Pass path to write_match_code.
9436 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9437 not perform a mode test.
9438 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9439 a subexpression does not constrain the top-level code set.
9440 * read-rtl.c (read_rtx_variadic): New function.
9441 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9442 * doc/md.texi: Document new notation.
9443 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9444 (cmpsi_operand): ... here, using new notation.
9446 2006-01-22 Zack Weinberg <zackw@panix.com>
9448 * varray.c: Remove GENERATOR_FILE #ifdefs.
9450 2006-01-22 Zack Weinberg <zackw@panix.com>
9452 * genautomata.c (output_reserved_units_table): Emit nothing if
9453 description->query_units_num is zero. Remove extra blank line.
9454 (output_cpu_unit_reservation_p): Short circuit
9455 if description->query_units_num is zero.
9457 2006-01-22 Zack Weinberg <zackw@panix.com>
9459 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9460 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9461 nor any of the random handful of variables that used to be necessary
9462 when this program was linked with rtlanal.o. Prune set of forward
9463 function declarations.
9464 (struct attr_desc): Remove static_p field.
9465 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9466 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9467 (attr_string): Do not read the character one past the length of
9469 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9470 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9471 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9472 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9473 (make_automaton_attrs): New.
9474 (main): Do not call into genautomata. Call local gen_bypass
9475 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9476 Remove special case for insn_alts.
9477 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9478 varray.h (leftover from previous change). Prune set of forward
9479 function declarations. Remove state_alts fields from all
9480 structures. Remove state_alts_table from struct automaton.
9481 Make everything except main static. Do not maintain num_dfa_decls.
9482 Do not maintain state_alts fields of various structures.
9483 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9484 (add_arc): Remove state_alts argument. All callers updated.
9485 (output_reserved_units_table): Emit #ifdef here...
9486 (output_tables): ...not here. Don't generate state_alts tables.
9487 (expand_automata): Don't generate attributes.
9488 (write_automata): Don't generate state_alts functions.
9489 (main): New function.
9490 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9491 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9492 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9493 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9494 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9495 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9496 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9497 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9499 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9500 * genattrtab.h: Delete file.
9501 * Makefile.in (OBJS-common): Add insn-automata.o.
9502 (insn-automata.o): New rule.
9503 (simple_generated_c): Add insn-automata.c.
9504 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9505 (genprogmd): Add automata.
9506 (build/genattrtab): Needs no extra objects nor libraries.
9507 (build/genautomata): Needs build/vec.o and -lm.
9509 2006-01-22 Zack Weinberg <zackw@panix.com>
9511 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9512 (output_dfa_max_issue_rate, locked_states_num): Delete.
9513 (struct automaton): Add locked_states field.
9514 (output_dead_lock_vect): Save number of locked states in
9515 automaton->locked_states. If it is zero, don't print anything.
9516 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9517 (output_internal_dead_lock_func): Only test the dead_lock_vect
9518 for automata that have locked states.
9519 (output_statistics): Always print the number of locked states for
9520 each automaton. Calculate total number of locked states here.
9521 (write_automata): Don't call output_dfa_max_issue_rate.
9522 * genattrtab.c: Define length_unit_log as a const variable.
9523 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9524 max_insn_queue_index const.
9525 * final.c (length_unit_log): Declare const.
9526 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9528 2006-01-22 Zack Weinberg <zackw@panix.com>
9530 * genautomata.c: Include vec.h, not varray.h.
9531 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9532 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9533 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9534 VEC_* macros operating on appropriately typed vectors, or to
9535 malloced arrays when the size is known in advance. Const-ify
9536 many char* variables and function arguments. No functional changes.
9537 * Makefile.in (build/varray.o): Delete rule.
9538 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9539 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9541 2006-01-22 Zack Weinberg <zackw@panix.com>
9543 * gensupport.c: Define get_insn_name and record_insn_name here.
9544 (read_md_rtx): Call record_insn_name as appropriate.
9545 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9546 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9547 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9549 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9550 (BUILD_VARRAY): Delete.
9551 (genprognormal): Rename genprogmd. Fold in all programs from
9552 genprognoprint; also attrtab.
9553 (build/genattrtab): Just mention genautomata.o and varray.o.
9554 Reorganize a bit, add comments to make the categories clearer.
9556 2006-01-22 Zack Weinberg <zackw@panix.com>
9558 * genconditions.c (condition_table, add_condition): Delete.
9559 (write_conditions): Don't emit n_insn_conditions nor
9560 insn_elision_unavailable. Issue the gcc version #ifdef here,
9561 inside the table, with no #else clause ...
9562 (write_header): ...not here.
9563 (write_writer): New function.
9564 (main): Don't initialize condition_table. Use add_c_test.
9566 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9567 files on the command line.
9568 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9569 Return -1 if there is no entry in the table, don't abort.
9570 (add_c_test, traverse_c_tests): New functions.
9571 * gensupport.h (insn_elision_unavailable, insn_conditions)
9572 (n_insn_conditions): Delete declarations.
9573 (add_c_test, traverse_c_tests): Declare.
9574 * read-rtl.c: Include gensupport.h.
9575 (read_conditions): New function.
9576 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9577 (read_rtx_1): If we get EOF when we were looking for an initial
9578 open paren, return 0. Call read_conditions when appropriate.
9579 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9580 dummy-conditions.o. Eliminate references to insn-conditions.o,
9581 or change them to build/gencondmd.o, as appropriate. Remove
9582 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9583 from $(simple_generated_c). For all files remaining in those
9584 two lists, add insn-conditions.md to the generator command line.
9585 Give insn-constants.h/s-constants their own rules. Add rules
9586 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9587 (build/read-rtl.o): Depend on gensupport.h.
9588 (genprognormal): Include preds.
9589 (genprogearly): Rename genprognoprint; only difference is now that
9590 they don't link with $(BUILD_PRINT).
9591 * dummy-conditions.c: Delete.
9593 2006-01-22 Zack Weinberg <zackw@panix.com>
9595 * genextract.c: Don't include insn-config.h. Do include vec.h.
9596 Declare vectors of int, char, and locstr.
9597 (locstr): New typedef.
9598 (struct extraction): Make all array fields into bare pointers.
9599 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9600 (insn_code_number): Delete.
9601 (accum_extract): New struct.
9602 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9603 (gen_insn): Take insn_code_number as an argument. Use an
9604 accum_extract structure instead of loading data directly into
9605 a struct extraction, and having to know how big it might get.
9606 (walk_rtx): Operate entirely on an accum_extract structure.
9607 (print_path): Avoid unnecessary use of printf.
9608 (print_header): New function, split out of main. Distinguish
9609 more carefully between an unrecognizable insn and an insn that
9610 has the code number of a define_expand.
9611 (main): Pass insn_code_number to gen_insn. Call print_header
9612 only after parsing. Avoid unnecessary use of printf.
9613 * Makefile.in (build/vec.o): New rule.
9614 (build/genextract): Depend on build/vec.o.
9615 (build/genextract.o): Don't depend on insn-config.h.
9617 2006-01-22 Zack Weinberg <zackw@panix.com>
9619 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9620 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9621 practical. Eliminate per-generator-program link rules.
9623 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9626 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9627 with a call expr to ...
9628 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9630 2006-01-23 Richard Guenther <rguenther@suse.de>
9632 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9633 before make_edge with conditional EDGE_TRUE_VALUE.
9635 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9636 Jan Hubicka <jh@suse.cz>
9637 Richard Guenther <rguenther@suse.de>
9639 PR rtl-optimization/25654
9640 * cfgexpand.c (aggregate_contains_union_type): New function.
9641 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9642 for structure variables that contain a union type.
9644 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9646 * gengtype.c (new_structure): Return the structure.
9647 (create_option): Add an extra "next" argument.
9648 (create_field): New function.
9649 (adjust_field_rtx_def): Use create_option and create_field.
9650 Remove a now-unnecessary call to find_structure.
9651 (adjust_field_tree_def): Likewise.
9652 (note_yacc_type): Remove an unnecessary call to find_structure.
9653 * gengtype.h (new_structure): Return the structure.
9654 (create_option): Add an extra argument.
9655 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9656 (option): Adjust calls to create_option.
9658 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9660 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9662 2006-01-22 Paul Brook <paul@codesourcery.com>
9663 Peter Barada <peter@the-baradas.com>
9665 * config/m68k/m68k.md: Add Coldfire FPU support.
9666 Define FP mode macro and associated attributes.
9667 Use it for float mode patterns.
9668 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9669 (LIBCALL_VALUE): Use m68k_libcall_value.
9670 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9671 (m68k_function_value): Ditto.
9672 (emit_move_sequence): Ditto.
9673 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9674 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9675 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9676 (MULTILIB_EXCEPTIONS): Ditto.
9677 * config/m68k/m68k.opt: Add mcfv4e.
9678 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9679 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9680 (m68k_output_function_prologue): Save ColdFire FPU registers.
9681 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9682 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9683 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9684 ColdFire FPU registers.
9685 (m68k_libcall_value, m68k_function_value): New functions.
9686 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9687 (LIBCALL_VALUE): Use m68k_libcall_value.
9688 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9689 (MASK_COLDFIRE): Add MASK_CFV4E.
9690 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9691 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9692 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9693 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9694 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9695 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9696 * doc/invoke.tex: Document -mcfv4e on m68k.
9698 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9700 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9703 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9706 * c-opts.c (c_common_handle_option): Don't include
9707 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9708 * doc/invoke.texi (C++ Dialect Options): Document that
9709 -Wnon-virtual-dtor is no longer included in -Wall.
9711 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9713 * gcov.c (print_version), gcov-dump.c (print_version),
9714 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9717 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9719 * df-scan.c (problem_SCAN): Added NULL reset function.
9720 (df_scan_reset_blocks): Added code to call reset block function
9721 (df_bb_refs_delete) Fixed comment.
9722 (df_insn_refs_delete): Made tolerant of deleting non existent info
9723 for dataflow problems that need to be reset.
9724 * df-core.c (df_set_blocks): Ditto.
9725 * df.h (struct df_problem): Added reset_fun.
9726 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9727 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9728 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9729 functions to clear out all references to def-use or use-def chains.
9731 2006-01-21 Ben Elliston <bje@au.ibm.com>
9733 * varasm.c (assemble_real): Initialise data array.
9735 2006-01-20 Paul Brook <paul@codesourcery.com>
9737 Merge from csl-arm-branch.
9738 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9739 * config/arm/arm.md (movdi): Force operands[1] to a register
9740 if we have a non-register source.
9741 (*arm_movdi, *movdf_soft_insn): Require that one of the
9742 operands be a register.
9743 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9744 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9746 2006-01-20 DJ Delorie <dj@redhat.com>
9748 * varasm.c (initialize_constant_valid_p): Allow pointers
9749 initialized from integer constants of lesser precision.
9750 (output_constant): Allow non-int-sized pointer modes to be
9751 initialized from integer constants.
9753 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9756 * cppdefault.h (struct default_include): Add multilib flag.
9757 * cppdefault.c (cpp_include_defaults): Set it.
9758 * c.opt (-imultilib): New option.
9759 * c-opts.c (imultilib): New.
9760 (c_common_handle_option): Handle -imultilib.
9761 (c_common_post_options): Likewise.
9762 * c-incpath.c (add_standard_paths, register_include_chains):
9764 * c-incpath.h (register_include_chains): Add extra parameter.
9765 * gcc.c (do_spec_1): Generate -imultilib option.
9766 (The Specs Language): Update %I description.
9767 (process_command): Update copyright notice.
9768 * doc/cppopts.texi (-imultilib): Document.
9769 * doc/invoke.texi (-imultilib): Include in option summary.
9770 (%I): Update specs documentation.
9772 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9774 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9776 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9778 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9781 2006-01-20 Richard Guenther <rguenther@suse.de>
9782 Steven Bosscher <stevenb.gcc@gmail.com>
9784 PR rtl-optimization/24626
9785 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9786 EDGE_TRUE_VALUE if in RTL mode.
9789 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9790 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9792 2006-01-20 Dirk Mueller <dmueller@suse.com>
9795 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9796 instead of a special NOP marker.
9797 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9798 NOP marker handling.
9799 * c-common.h (empty_body_warning): Add forward declaration.
9800 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9801 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9803 2006-01-20 Paul Brook <paul@codesourcery.com>
9805 * Makefile.in (lang_checks): Keep going if mkdir fails.
9807 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9809 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9810 be able to clean out basic block when not necessary.
9811 (df_scan_free): Fixed to properly delete information if df is
9812 unused before calling df_finish.
9813 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9814 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9816 (df_bb_refs_delete): New function.
9817 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9818 * df-core.c (df_set_blocks): Added code to properly clean out
9819 unused blocks if they are not part of the blocks to consider.
9820 Added additional null check.
9821 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9822 be able to clean out basic block when not necessary
9823 * df.h (df_free_bb_function): Ditto.
9824 (df_bb_refs_delete): New function.
9825 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9826 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9827 basic block parameter to be able to clean out basic block when not
9829 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9830 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9831 Fixed to properly delete information if df is unused before
9834 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9836 PR rtl-optimization/25799
9837 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9838 Corrected confluence operator to remove bits from op2 before oring
9839 with op1 rather than removing bits from op1.
9840 (df_ru_transfer_function): Corrected test on wrong bitmap which
9841 caused infinite loop. Both of these problems were introduced in
9842 the dataflow rewrite.
9844 2006-01-19 DJ Delorie <dj@redhat.com>
9846 * reload1.c (find_reload_regs): Note the details of reload
9847 failures in the dump file.
9848 (spill_failure): Likewise.
9850 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9852 * loop-iv.c: Include df.h and hashtab.h.
9853 (enum iv_grd_result): New enum.
9854 (DF_REF_IV, DF_REF_IV_SET): New macros.
9855 (struct biv_entry): New.
9856 (df, bivs): New global variables.
9857 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9858 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9860 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9861 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9862 analyzed_for_bivness_p, record_biv): New functions.
9863 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9864 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9865 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9867 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9869 (iv_number_of_iterations): Use new interface to iv analysis.
9870 * loop-unroll.c: Do not include varray.h.
9871 (analyze_iv_to_split_insn): Use new interface to iv
9873 * loop-unswitch.c (may_unswitch_on): Ditto.
9874 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9876 (df_bb_modify): Realloc tables to the new index.
9877 (df_find_use): New function.
9878 * df.h (df_find_use): Declare.
9879 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9881 * cfgloop.h (struct rtx_iv): Remove analysed field.
9882 (iv_get_reaching_def): Removed.
9883 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9884 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9885 (loop-iv.o): Add df.h and hashtab.h dependency.
9886 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9888 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9891 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9893 (__floatundisf, __floatundidf): Likewise.
9894 * libgcc2.h (IS_IBM_EXTENDED): Define.
9896 2006-01-19 DJ Delorie <dj@redhat.com>
9898 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9900 2006-01-19 Paul Brook <paul@codesourcery.com>
9902 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9903 as nothrow when unwinding tables are disabled.
9905 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9908 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9909 of bit-field" when in system header.
9911 2006-01-19 DJ Delorie <dj@redhat.com>
9913 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9914 the 16 bit shift limit of the m16c.
9916 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9919 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9920 * config/i386/i386.c (output_set_got): Output the label if we have one
9921 for the TARGET_DEEP_BRANCH_PREDICTION case.
9923 2006-01-19 Jan Hubicka <jh@suse.cz>
9924 H.J. Lu <hongjiu.lu@intel.com>
9925 Evandro Menezes <evandro.menezes@amd.com>
9927 * invoke.texi (generic): Document
9929 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9930 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9931 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9932 (x86_use_incdec, x86_pad_returns): New variables
9933 (TARGET_CPU_DEFAULT_generic): New constant
9934 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9935 (enum processor_type): Add generic32 and generic64.
9936 * i386.md (cpu attribute): Add generic32/generic64
9937 (movhi splitter): Behave sanely when both partial_reg_dependency and
9938 partial_reg_stall are set.
9939 (K8 splitters): Enable for generic as well.
9940 * predicates.md (incdec_operand): Use TARGET_INCDEC
9941 (aligned_operand): Avoid memory mismatch stalls.
9942 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9943 * ppro.md: Enable for generic32
9944 * i386.c (generic64_cost, generic32_cost): New.
9945 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9946 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9947 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9948 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9949 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9950 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9951 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9952 x86_accumulate_outgoing_args, x86_prologue_using_move,
9953 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9954 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9956 (x86_use_incdec, x86_pad_returns): New.
9957 (override_options): Add generic32 and generic64, translate "generic"
9958 to generic32/generic64 and "i686" to "generic32", refuse
9959 "generic32"/"generic64" as arch target.
9960 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9961 (ix86_reorg): Honor PAD_RETURNS.
9963 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9965 * tree-pretty-print.c (dump_generic_node): Handle
9966 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9967 * cgraph.c (cgraph_expand_queue): Rename from
9968 cgraph_analyze_queue. Update all users.
9969 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9970 cgraph_expand_queue.
9971 (cgraph_expand_all_functions): Likewise.
9972 (cgraph_finalize_pending_functions): Remove. Update callers.
9974 * tree.h (OMP_DIRECTIVE_P): Define.
9975 (OMP_PARALLEL_FN): Define.
9976 (OMP_PARALLEL_DATA_ARG): Define.
9977 (OMP_SECTIONS_SECTIONS): Define.
9978 * tree-pass.h (pass_expand_omp): Declare.
9979 * omp-low.c (struct omp_region): Declare.
9980 (struct omp_context): Remove fields 'parallel_type',
9981 'parallel_start_ix' and 'parallel_start_additional_args'.
9983 (struct omp_for_data): Rename from struct expand_omp_for_data.
9984 (omp_regions): New static variable.
9985 (root_omp_region): New static variable.
9986 (find_omp_clause): Make static.
9987 (is_in_combined_parallel_ctx): Remove.
9988 (is_combined_parallel): New.
9989 (extract_omp_for_data): Move earlier in the file.
9990 (workshare_safe_to_combine_p): New.
9991 (get_ws_args_for): New.
9992 (determine_parallel_type): Move earlier in the file.
9993 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9995 (omp_copy_decl): Likewise.
9996 (create_omp_child_function): Likewise.
9997 (lookup_omp_region): New.
9998 (dump_omp_region): New.
9999 (debug_omp_region): New.
10000 (debug_all_omp_regions): New.
10001 (new_omp_region): New.
10002 (scan_omp_parallel): If parallel_nesting_level > 1, the
10003 directive is nested within another parallel directive.
10004 Set OMP_PARALLEL_FN.
10005 (scan_omp_for): Do not try to handle combined parallel+for
10007 Remove FIXME comment.
10008 (scan_omp_nested): Remove.
10009 (scan_omp_1): Do not call scan_omp_nested when
10010 parallel_nesting_level is > 1.
10011 Do not change the DECL_CONTEXT of local variables found.
10012 (lookup_decl_in_outer_ctx): New.
10013 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10014 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10015 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10016 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10017 If CTX is nested, lookup VAR in the outer context when
10018 building copy assignment.
10019 (lower_send_clauses): Rename from expand_send_clauses.
10020 If CTX is nested, lookup VAR in the outer context when
10021 building copy assignments.
10022 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10023 If CTX is nested, lookup VAR in the outer context when
10024 building copy assignments.
10025 (expand_parallel_call): Rename from build_parallel_call.
10026 Handle combined parallel+workshare cases.
10027 Re-implement to emit code into the CFG.
10029 (expand_omp_parallel): Re-implement to emit code into the CFG.
10030 Call move_sese_region_to_fn to outline the sub-graph
10031 containing the parallel region.
10032 (expand_omp_for_1): Remove.
10033 (expand_omp_for_generic): Re-implement to emit code into the
10035 (expand_omp_for_static_nochunk): Likewise.
10036 (expand_omp_for_static_chunk): Likewise.
10037 (expand_omp_for): Likewise.
10038 (expand_omp_sections): Likewise.
10039 (remove_exit_barriers): New.
10040 (expand_omp_synch): New.
10042 (build_omp_regions_1): New.
10043 (build_omp_regions): New.
10044 (execute_expand_omp): New.
10045 (gate_expand_omp): New.
10046 (pass_expand_omp): Define.
10047 (lower_omp_sections): Rename from expand_omp_sections.
10048 Set OMP_SECTIONS_SECTIONS.
10049 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10050 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10051 (lower_omp_single): Rename from expand_omp_simple.
10052 (lower_omp_master): Rename from expand_omp_master.
10053 (lower_omp_ordered): Rename from expand_omp_ordered.
10054 (lower_omp_critical): Rename from expand_omp_critical.
10055 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10056 (lower_omp_for): Re-implement.
10057 (lower_omp_parallel): Re-implement.
10058 (lower_regimplify): Rename from expand_regimplify.
10059 (lower_omp_1): Rename from expand_omp_1.
10060 If there are syntax errors in the program, replace every
10061 OpenMP directive with NOP.
10062 Call lower_omp_* instead of expand_omp_*.
10063 (lower_omp): Rename from expand_omp.
10065 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10066 * tree-gimple.h (enum omp_parallel_type): Remove.
10067 (gimple_boolify): Declare extern.
10068 (find_omp_clause, determine_parallel_type): Remove.
10070 * gimple-low.c (lower_omp_directive): New.
10071 (lower_stmt): Call it.
10072 (record_vars_into): Move from ...
10073 (record_vars): ... here.
10074 Call record_vars_into with current_function_decl.
10076 * gimplify.c (struct gimplify_ctx): Remove fields
10077 combined_pre_p and combined_ctxp. Update users.
10078 (get_formal_tmp_var): Add documentation.
10079 (gimple_boolify): Make extern.
10080 (gimplify_expr_in_ctx): Remove. Update callers.
10081 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10082 will always be a BIND_EXPR.
10083 (gimplify_expr): Handle OMP_RETURN_EXPR.
10084 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10085 (OMP_PARALLEL): Add 3 operands.
10086 (OMP_SECTIONS): Add 1 operand.
10087 (OMP_RETURN_EXPR): Define.
10089 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10090 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10091 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10092 creating a circular free list.
10093 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10095 * tree-flow.h (move_sese_region_to_fn): Declare.
10096 (record_vars_into): Declare.
10097 * tree-cfg.c (make_omp_sections_edges): New.
10098 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10099 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10100 OMP_SECTIONS and OMP_SECTION.
10101 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10102 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10103 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10104 (gather_blocks_in_sese_region): New.
10105 (struct move_stmt_d): Declare.
10106 (move_stmt_r): New.
10107 (move_block_to_fn): New.
10108 (move_sese_region_to_fn): New.
10110 * passes.c (init_optimization_passes): Schedule
10111 pass_expand_omp after pass_init_datastructures.
10113 * tree-ssa-operands.c (get_expr_operands): Handle
10114 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10115 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10117 2006-01-19 Jeff Law <law@redhat.com>
10119 * tree-vrp.c (extract_range_from_assert): Refine the result range
10120 if the variable referenced by the ASSERT_EXPR has a range and
10121 either the tentative result range or the previous range is a
10124 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10126 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10128 2006-01-19 Jan Hubicka <jh@suse.cz>
10130 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10132 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10134 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10135 (expand_compound_operation, expand_field_assignment): Fail if the
10136 bit lengths of an extract operation are out of range.
10137 (make_extraction): Compute wanted_inner_mode based on the position
10138 and length of the extraction. Make it extraction_mode for non-constant
10139 positions, and do not modify offset in that case. When generating a
10140 new MEM, use a mode that can hold the extraction while keeping correct
10141 alignment. Remove code that supported MEMs wrapped by USEs.
10142 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10144 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10146 * config/s390/s390.md ("Y", "y"): New mode attribute.
10147 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10148 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10149 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10150 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10151 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10152 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10153 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10154 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10155 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10156 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10157 "addsi3", "subsi3"): Insn patterns removed.
10158 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10159 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10160 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10161 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10162 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10163 "*sub<mode>3_cconly2"): New insn patterns.
10164 ("addsi3", "subsi3"): New expanders.
10166 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10168 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10169 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10170 existing STMT_VINFO_VECTYPE if available.
10171 (vect_mark_relevant): Add special handling for stmts that are
10172 marked as STMT_VINFO_IN_PATTERN_P.
10173 (vect_analyze_loop): Call vect_pattern_recog.
10174 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10175 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10177 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10178 (vect_recog_func_ptr): New function-pointer type.
10179 * tree-vect-patterns.c: New file.
10180 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10181 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10182 (vect_pattern_recog_1): New functions.
10183 (vect_pattern_recog_funcs): New array of function pointers.
10185 * tree-vectorizer.h (ternary_op): New enum value.
10186 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10187 declaration. Revised documentation. Removed redundant dump prints.
10188 Removed redundant argument. Added support for reduction patterns.
10189 (vectorizable_reduction): Added support for reduction patterns.
10190 (vect_transform_stmt): Added support for patterns.
10192 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10193 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10194 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10195 (expand_widen_pattern_expr): New function.
10196 (init_optabs): Initialize new optabs udot_prod_optab,
10198 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10199 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10200 (expand_widen_pattern_expr): New function declaration.
10201 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10203 * tree-inline.c (estimate_num_insns_1): Added cases for new
10204 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10205 * tree-pretty-print.c (dump_generic_node): Likewise.
10206 (op_prio): Likewise.
10207 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10208 * tree-ssa-operands.c (get_expr_operands): Added case for
10210 * tree-vect-patterns.c (widened_name_p): New function.
10211 (vect_recog_dot_prod_pattern): Added function implementation.
10212 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10213 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10214 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10215 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10217 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10218 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10219 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10220 (init_optabs): Initialize new optabs widen_ssum_optab,
10222 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10223 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10224 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10225 use instead of type of def.
10226 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10227 function implementation.
10228 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10229 widen_ssumv8hi): New.
10231 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10234 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10237 * c-decl.c (add_flexible_array_elts_to_size): New function.
10238 (finish_decl): Use it.
10240 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10242 * diagnostic.h: Include options.h.
10243 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10244 dependancies for diagnostic.h.
10245 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10247 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10249 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10250 (ssa_ro_call_cache_valid): Ditto.
10251 * tree-ssa-alias.c (sort_tags_by_id): New function.
10252 (init_transitive_clobber_worklist): Ditto.
10253 (add_to_worklist): Ditto.
10254 (mark_aliases_call_clobbered): Ditto.
10255 (compute_tag_properties): Ditto.
10256 (set_initial_properties): Ditto.
10257 (compute_call_clobbered): Ditto.
10258 (compute_may_aliases): Call compute_call_clobbered and grouping.
10259 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10260 (compute_flow_insensitive_aliasing): Grouping now happens in our
10262 (setup_pointers_and_addressables): Remove clobbering related code.
10263 (add_may_alias): Ditto.
10264 (replace_may_alias): Ditto.
10265 (get_nmt_for): Ditto.
10266 (create_global_var):
10267 (is_escape_site): Return an escape_type enumeration.
10268 * tree-flow-inline.h (is_call_clobbered): Global var does not
10269 imply call clobbered.
10270 (mark_call_clobbered): Take a reason for marking this. Remove
10271 marking of globalness, and cache invalidation.
10272 (clear_call_clobbered): Remove cache invalidation code.
10273 * tree-dfa.c (dump_variable): If details is on, dump the reason
10275 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10277 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10278 (struct var_ann_d): Ditto.
10279 (enum escape_type): New.
10280 (mark_call_clobbered): Adjust prototype.
10281 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10282 are never call clobbered.
10283 Record reasons for escaping.
10284 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10285 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10286 (ssa_ro_call_cache_valid): Ditto.
10287 (clobbered_v_may_defs): Ditto.
10288 (clobbered_vuses): Ditto.
10289 (ro_call_vuses): Ditto.
10290 (clobber_stats): New.
10291 (init_ssa_operands): Zero out clobber stats.
10292 (fini_ssa_operands): Print out clobber stats.
10293 (get_call_expr_operands): Pass callee fndecl to
10294 add_call_read_ops).
10295 (add_call_clobber_ops): Remove use of cache.
10296 Add use of PURE_CONST information.
10297 (add_call_read_ops): Remove use of cache.
10298 Add use of static not_read information.
10300 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10302 Introduce TLS descriptors for i386 and x86_64.
10303 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10304 (TARGET_ANY_GNU_TLS): New macro.
10305 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10306 (struct machine_function): Add tls_descriptor_call_expanded_p.
10307 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10308 (ix86_current_function_calls_tls_descriptor): Likewise.
10309 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10310 (override_options): Introduce gnu2 tls dialect.
10311 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10313 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10315 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10316 (ix86_init_machine_status): Initialize new field.
10317 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10318 (ix86_tls_module_base): New.
10319 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10320 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10321 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10322 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10323 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10324 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10325 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10326 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10327 * config/i386/predicates.md (tls_modbase_operand): New.
10328 (tp_or_register_operand): New.
10330 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10332 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10333 (look_for_address_of): Ditto.
10334 (ipa_init): Walk the function decls.
10335 (static_execute): Don't set readonly on FUNCTION_DECL's.
10337 2006-01-18 Roger Sayle <roger@eyesopen.com>
10339 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10340 for shifts where the source and destination registers are different.
10342 2006-01-18 Paul Brook <paul@codesourcery.com>
10344 Merge from csl-arm-branch.
10345 2005-03-14 Julian Brown <julian@codesourcery.com>
10346 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10347 (aeabi_llsl): Likewise.
10348 (ashrdi3): Likewise.
10349 (aeabi_lasr): Likewise.
10350 (lshrdi3): Likewise.
10351 (aeabi_llsr): Likewise.
10352 2005-03-10 Julian Brown <julian@codesourcery.com>
10353 * config.gcc: Disable shared libgcc for SymbianOS.
10354 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10356 2006-01-18 DJ Delorie <dj@redhat.com>
10358 * c-pragma.c (handle_pragma_diagnostic): New.
10359 (init_pragma): Register it.
10360 * doc/extend.texi: Document it.
10362 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10363 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10364 (diagnostic_context): Add classify_diagnostic[].
10365 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10366 as errors if they're overridden to DK_WARNING.
10367 (diagnostic_initialize): Initialize classify_diagnostic[].
10368 (diagnostic_set_kind_override): New.
10369 (diagnostic_report_diagnostic): Check for kind changes.
10370 * opts.c (common_handle_option): Take lang_mask. Update callers.
10371 Handle OPT_Werror_.
10372 * common.opt (Werror=): New.
10373 * doc/invoke.texi: Document -Werror=*
10375 2006-01-18 Jeff Law <law@redhat.com>
10377 * tree-vrp.c (test_for_singularity): Correct test for new
10378 min limit. Use operand_equal_p rather than pointer equality
10379 for testing if new min/max values are equal.
10381 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10382 using range information until after propagation and folding.
10384 2006-01-18 Richard Henderson <rth@redhat.com>
10385 Aldy Hernandez <aldyh@redhat.com>
10386 Jakub Jelinek <jakub@redhat.com>
10387 Diego Novillo <dnovillo@redhat.com>
10389 * omp-low.c: New file.
10390 * c-omp.c: New file.
10392 2006-01-18 Richard Henderson <rth@redhat.com>
10393 Jakub Jelinek <jakub@redhat.com>
10394 Diego Novillo <dnovillo@redhat.com>
10396 * doc/invoke.texi: Document -fopenmp.
10397 * tree-dump.h (debug_function): Declare.
10398 * hooks.c (hook_bool_tree_bool_false): New function.
10399 (hook_tree_tree_null): Remove.
10400 (hook_tree_tree_tree_null): New.
10401 * hooks.h: Update to match.
10402 * tree-pretty-print.c (debug_tree_chain): New.
10403 (print_generic_expr): Handle TDF_CHAIN.
10404 (dump_generic_node): Handle BLOCK.
10405 Do not abort with incomplete SWITCH_EXPRs.
10406 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10407 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10408 print space after directive name.
10409 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10410 Handle OMP_MASTER and OMP_ORDERED.
10411 Handle printing of OMP_BODY just in one place, goto
10412 dump_omp_body in the rest of OMP_* nodes that have
10414 Don't handle clause nodes here. Update omp statements to
10415 use dump_omp_clauses.
10416 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10417 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10418 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10419 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10420 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10421 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10422 Adjust output for GOMP_PARALLEL.
10423 (dump_omp_clauses): New.
10424 (print_declaration): Dump DECL_VALUE_EXPR.
10425 (op_symbol_1): Split out of op_symbol.
10426 (dumping_stmts): Remove. Update all users.
10427 * cgraph.c (cgraph_analyze_queue): New.
10428 (cgraph_add_new_function): New.
10429 * cgraph.h (cgraph_analyze_queue): Declare.
10430 (cgraph_add_new_function): Declare.
10431 (cgraph_lower_function): Remove.
10432 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10433 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10434 and TYPE_P nodes in its default clause.
10435 (empty_body_p): New.
10436 (tree_range_check_failed): New.
10437 (build5_stat): New.
10438 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10439 OMP_CLAUSE_REDUCTION_MERGE,
10440 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10441 OMP_CLAUSE_PRIVATE_DEBUG,
10442 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10443 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10444 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10445 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10446 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10447 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10448 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10449 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10450 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10451 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10452 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10453 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10454 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10455 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10456 (TREE_RANGE_CHECK): New.
10457 (empty_body_p): Declare.
10458 (enum omp_clause_default_kind): New.
10459 (build_string_literal): Declare.
10460 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10461 (build5_stat, build5): Declare.
10462 * tree-pass.h (TDF_CHAIN): Define.
10463 * tree-pass.h (PROP_gimple_lomp): Define.
10464 (pass_lower_omp): Declare.
10465 * diagnostic.h (debug_tree_chain): Declare.
10466 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10468 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10469 * builtins.c (build_string_literal): Make extern.
10470 * gcc.c (include_spec_function): New.
10471 (static_spec_functions): Add it.
10472 (main): Move load of libgomp.spec ...
10473 (LINK_COMMAND_SPEC): ... here.
10474 (link_gomp_spec): New.
10475 (static_specs): Include it.
10476 (LINK_COMMAND_SPEC): Add link_gomp.
10477 (GOMP_SELF_SPECS): New.
10478 (driver_self_specs): Include it.
10479 (switch_matches): Don't mark inline.
10480 (main): Load libgomp.spec.
10481 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10482 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10483 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10484 * tree-gimple.h (enum omp_parallel): Declare.
10485 (determine_parallel_type): Declare.
10486 (omp_firstprivatize_variable): Declare.
10487 (omp_reduction_init): Declare.
10488 (diagnose_omp_structured_block_errors): Declare.
10489 (struct walk_stmt_info): Add want_return_expr.
10490 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10491 (find_omp_clause): Declare.
10492 (insert_field_into_struct): Declare.
10493 (struct walk_stmt_info): Move from tree-nested.c
10494 (walk_stmts): Declare.
10495 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10497 * cgraphunit.c (cgraph_lower_function): Make static.
10498 (cgraph_finalize_pending_functions): New.
10499 (cgraph_finalize_function): Call it.
10500 (cgraph_finalize_compilation_unit): Likewise.
10501 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10502 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10503 (BT_FN_UINT_UINT): New.
10504 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10505 DEF_FUNCTION_TYPE_VAR_4): Document.
10506 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10507 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10508 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10509 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10510 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10511 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10512 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10513 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10514 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10515 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10516 into separate files.
10517 (DEF_GOMP_BUILTIN): New.
10518 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10519 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10520 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10521 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10522 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10523 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10524 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10525 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10526 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10527 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10528 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10529 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10530 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10531 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10532 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10533 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10534 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10535 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10536 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10537 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10538 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10539 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10540 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10541 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10542 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10543 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10544 * sync-builtins.def: New file, moved from builtins.def.
10545 * omp-builtins.def: New file, moved from builtins.def.
10546 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10547 * gimple-low.c (lower_function_body): Clear data.
10548 (lower_stmt): Do not handle COMPOUND_EXPR.
10549 Remove call to print_node_brief.
10550 * c-tree.h (c_finish_omp_clauses): New prototype.
10551 (C_DECL_THREADPRIVATE_P): Define.
10552 (lookup_name_no_remap, c_omp_remap_private): Remove
10553 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10554 (check_for_loop_decls): Update decl.
10555 (lookup_name_no_remap, c_omp_remap_private): Declare.
10556 (build_indirect_ref, build_modify_expr, pushdecl,
10557 pushdecl_top_level): Move to c-common.h.
10558 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10559 before the switch, but just in the 2 places that need it.
10560 * c-decl.c (diagnose_mismatched_decls): Do not check for
10561 mismatched thread-local attributes when OLDDECL is marked
10562 threadprivate and NEWDECL has no thread-local attributes.
10563 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10564 (c_gimple_diagnostics_recursively): Rename from
10565 c_warn_unused_result_recursively. Invoke
10566 diagnose_omp_structured_block_errors.
10567 (check_for_loop_decls): Return a singular decl found.
10568 * langhooks.c (lhd_omp_predetermined_sharing): Return
10569 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10570 (lhd_omp_firstprivatize_type_sizes): New.
10571 (lhd_omp_assignment): New.
10572 (lhd_omp_predetermined_sharing): New.
10573 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10574 (struct lang_hooks_for_types): Add
10575 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10576 omp_predetermined_sharing, omp_disregard_value_expr,
10577 omp_private_debug_clause, omp_clause_default_ctor,
10578 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10579 (c_finish_omp_clauses): New.
10580 (c_finish_bc_stmt): Diagnose break within omp for.
10581 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10582 (build_unary_op): Return error_mark after reporting
10584 (build_modify_expr): Likewise.
10585 * gimplify.c: Include optabs.h and pointer-set.h.
10586 (enum gimplify_omp_var_data): Declare.
10587 (struct gimplify_omp_ctx): Declare.
10588 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10590 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10591 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10592 (splay_tree_compare_decl_uid): New.
10593 (new_omp_context): New.
10594 (delete_omp_context): New.
10595 (gimple_add_tmp_var): Call omp_add_variable.
10596 (gimplify_bind_expr): Likewise.
10597 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10598 true, disregard DECL_VALUE_EXPR on the decl if any.
10599 (gimplify_expr_in_ctx): New.
10600 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10601 omp_add_variable, omp_notice_variable, omp_is_private
10602 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10603 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10604 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10605 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10606 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10607 gimplify_omp_atomic): New.
10608 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10609 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10610 OMP_CRITICAL and OMP_ATOMIC.
10611 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10612 * c-pragma.h (enum pragma_kind): Add
10613 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10614 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10615 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10616 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10617 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10618 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10619 PRAGMA_OMP_THREADPRIVATE.
10620 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10621 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10622 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10623 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10624 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10625 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10626 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10627 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10628 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10629 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10630 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10631 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10632 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10634 (struct nesting_info): Add field_map,
10635 suppress_expansion, debug_var_chain.
10636 (create_nesting_tree): Initialize them.
10637 (lookup_field_for_decl): Use field_map.
10638 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10639 (convert_local_omp_clauses): New.
10640 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10641 (walk_body): Split out of walk_function.
10642 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10643 (convert_nonlocal_reference): Handle omp statements.
10644 (convert_local_reference): Likewise.
10645 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10646 (unnest_nesting_tree): New.
10647 (lower_nested_functions): Call it.
10648 (insert_field_into_struct): Make extern.
10649 (struct walk_stmt_info): Move to tree-gimple.h.
10650 (walk_stmts): Make extern.
10651 * omp-builtins.def: New file.
10652 * tree-iterator.c (expr_only): Clarify comment.
10653 * c-common.h (pushdecl_top_level, pushdecl,
10654 build_modify_expr, build_indirect_ref,
10655 c_finish_omp_master, c_finish_omp_critical,
10656 c_finish_omp_ordered, c_finish_omp_barrier,
10657 c_finish_omp_atomic, c_finish_omp_flush,
10658 c_finish_omp_for, c_split_parallel_clauses,
10659 omp_clause_default_kind, c_omp_sharing_predetermined,
10660 c_omp_remap_decl): Declare.
10661 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10662 (OBJS-common): Add omp-low.o.
10663 (c-omp.o, omp-low.o): Add.
10664 (gimplify.o): Add dependency on $(OPTABS_H).
10665 (GTFILES): Add omp-low.c.
10666 (gt-stringpool.h): Add.
10667 * tree-cfg.c (set_bb_for_stmt): Do not update the
10668 block-to-labels map if we are currently expanding to RTL.
10669 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10671 Handle IDENTIFIER_NODE.
10672 (tree_verify_flow_info): Do not ICE when emitting error
10673 messages about invalid labels.
10674 (dump_function_to_file): Reset CFUN before emitting the body
10676 (debug_function): New.
10677 * passes.c (init_optimization_passes): Schedule
10679 * langhooks-def.h (lhd_omp_predetermined_sharing,
10680 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10682 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10683 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10684 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10685 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10686 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10687 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10688 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10689 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10690 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10691 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10692 (LANG_HOOK_DECLS): Use them.
10694 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10695 Richard Henderson <rth@redhat.com>
10696 Jakub Jelinek <jakub@redhat.com>
10697 Diego Novillo <dnovillo@redhat.com>
10699 * c-parser.c (pragma_omp_clause): Define.
10700 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10701 (c_parser_compound_statement): Likewise.
10702 (c_parser_statement): Likewise.
10703 (c_parser_pragma): Handle omp pragmas.
10704 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10705 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10706 (c_parser_omp_clause_name, check_no_duplicate_clause,
10707 c_parser_omp_variable_list,
10708 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10709 c_parser_omp_clause_copyprivate,
10710 c_parser_omp_clause_default,
10711 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10712 c_parser_omp_clause_lastprivate,
10713 c_parser_omp_clause_nowait,
10714 c_parser_omp_clause_num_threads,
10715 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10716 c_parser_omp_clause_reduction,
10717 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10718 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10719 c_parser_omp_atomic, c_parser_omp_barrier,
10720 c_parser_omp_critical, c_parser_omp_flush,
10721 c_parser_omp_for_loop, c_parser_omp_for,
10722 c_parser_omp_master, c_parser_omp_ordered,
10723 c_parser_omp_sections_scope, c_parser_omp_sections,
10724 c_parser_omp_parallel, c_parser_omp_single,
10725 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10726 * c-pragma.c (init_pragma): Do omp pragma registration here.
10727 * c.opt (fopenmp): New flag.
10729 2006-01-18 Eric Christopher <echristo@apple.com>
10731 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10732 * config/darwin.h (GOMP_SELF_SPECS): Define.
10734 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10736 * rtl.h: Remove the prototype for reg_alloc.
10738 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10741 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10742 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10743 sjlj and dwarf2 exception handling.
10744 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10745 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10746 * pa/pa.c (function_value): Treat complex and vector types as
10748 (function_arg): Likewise. Only pass scalar floats in the floating
10749 point argument registers.
10750 * pa/t-slibgcc-dwarf-ver: New file.
10751 * pa/t-slibgcc-sjlj-ver: New file.
10752 * pa/t-slibgcc-elf-ver: Delete file.
10754 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10756 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10757 unlikely_test_section_p test.
10759 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10761 * mode-switching.c (optimize_mode_switching): Make it static.
10762 * basic-block.h: Remove the prototype for
10763 optimize_mode_switching.
10765 * modulo-sched.c (sms_schedule): Make it static.
10766 * rtl.h: Remove the prototype for sms_schedule.
10768 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10769 * rtl.h: Remove the prototype for gcse_after_reload_main.
10771 * reg-stack.c (reg_to_stack): Make it static.
10772 * rtl.h: Remove the prototype for reg_to_stack.
10774 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10776 * rtl.h: Remove the prototypes for regrename_optimize and
10777 copyprop_hardreg_forward.
10779 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10781 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10782 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10783 Test against the appropriate null constant for the mode.
10784 If 'fixup_overlap' is true, swap the operands if they overlap.
10785 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10786 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10787 alpha_split_tmode_pair and adjust for above change.
10788 * config/alpha/alpha.md (movtf_internal): Adjust call to
10789 alpha_split_tfmode_pair and rely on it to swap the operands.
10790 (movti_internal): New insn and post-reload splitter.
10791 (movti): New expander.
10793 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10795 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10798 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10800 * rtlanal.c (global_reg_mentioned_p_1,
10801 global_reg_mentioned_p): Remove.
10802 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10804 * flow.c (initialize_uninitialized_subregs): Make it static.
10805 * rtl.h: Remove the prototype for
10806 initialize_uninitialized_subregs.
10808 * function.c (instantiate_virtual_regs): Make it static.
10809 * function.h: Remove the prototype for
10810 instantiate_virtual_regs.
10812 * regmove.c (regmove_optimize, combine_stack_adjustments):
10814 * rtl.h: Remove the prototypes for regmove_optimize and
10815 combine_stack_adjustments.
10817 2006-01-17 Roger Sayle <roger@eyesopen.com>
10819 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10820 (size_cost): Encode costs in bytes so that a reg-reg addition is
10821 equivalent to COSTS_N_INSNS(1).
10822 (override_options): Use the size_cost.branch_cost as the default
10823 ix86_branch_cost when optimizing for size.
10825 2006-01-18 Ben Elliston <bje@au.ibm.com>
10827 * Makefile.in (D32PBIT_FUNCS): New.
10828 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10829 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10830 D64PBIT_FUNCS and D128PBIT_FUNCS.
10831 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10832 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10834 (decnumber_dep): Define.
10835 * doc/libgcc.texi (Decimal float library routines): New node.
10836 * config/dfp-bit.h, config/dfp-bit.c: New files.
10838 2006-01-18 Ben Elliston <bje@au.ibm.com>
10840 * expr.c (emit_move_change_mode): Always adjust addresses, not
10841 just during reload. Copy replacements only during reload.
10842 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10843 emit_move_via_integer.
10845 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10847 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10848 instead of $(srcdir) and ${srcdir}.
10850 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10853 PR middle-end/11135
10854 * arm.h (struct machine_function): Add pic_reg.
10855 * arm.c (arm_pic_register): Make unsigned.
10856 (arm_override_options): Only set arm_pic_register if
10857 TARGET_SINGLE_PIC_BASE.
10858 (use_return_insn): Only test for a pic register if it is fixed.
10859 (arm_compute_save_reg0_reg12_mask): Likewise.
10860 (thumb_compute_save_reg_mask): Likewise.
10861 (legitimate_pic_operand): Factor out some known invariants.
10862 (legitimize_pic_address): If we don't have a fixed pic register,
10863 then set up a pseudo in the function entry sequence. Handle the
10864 pic base being in a pseudo.
10865 (arm_load_pic_register): Handle the pic register being in a pseudo.
10866 (arm_expand_prologue): Only set up the pic register if it is fixed.
10867 (thumb_expand_prologue): Likewise.
10868 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10869 (pic_load_addr_based_insn): Likewise.
10870 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10873 2006-01-18 Ben Elliston <bje@au.ibm.com>
10875 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10876 decimal float modes for all floating point registers.
10878 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10879 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10881 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10884 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10885 even when the pointer is not NULL.
10887 2006-01-16 Ian Lance Taylor <ian@airs.com>
10889 * common.opt (ftoplevel-reorder): New option.
10890 * cgraph.c (cgraph_asm_nodes): New global variable.
10891 (cgraph_asm_last_node): New static variable.
10892 (cgraph_order): New global variable.
10893 (cgraph_create_node): Set new order field.
10894 (cgraph_varpool_node): Likewise.
10895 (decide_is_variable_needed): Return true if not
10896 flag_toplevel_reorder.
10897 (cgraph_add_asm_node): New function.
10898 * cgraph.h (struct cgraph_node): Add order field.
10899 (struct cgraph_varpool_node): Add order field.
10900 (struct cgraph_asm_node): Define.
10901 (cgraph_asm_nodes, cgraph_order): Declare.
10902 (cgraph_add_asm_node): Declare.
10903 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10905 (cgraph_varpool_assemble_pending_decls): Call it.
10906 (cgraph_output_pending_asms): New static function.
10907 (cgraph_finalize_compilation_unit): Call it.
10908 (struct cgraph_order_sort): Define.
10909 (cgraph_output_in_order): New static function.
10910 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10911 !flag_toplevel_reorder case.
10912 * c-parser.c: Include "cgraph.h".
10913 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10915 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10916 than -fno-unit-at-a-time.
10917 * doc/invoke.texi (Option Summary): Mention
10918 -fno-toplevel-reorder.
10919 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10920 -funit-at-a-time documentation.
10922 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10923 Kazu Hirata <kazu@codesourcery.com>
10925 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10927 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10929 * Makefile.in (FUNCTION_H): New. Use it instead of
10930 function.h throughout the file.
10931 * function.h: Include tree.h.
10933 2006-01-17 Ben Elliston <bje@au.ibm.com>
10935 * recog.c: Separate some functions with whitespace.
10937 2006-01-16 Richard Henderson <rth@redhat.com>
10939 Merge from gomp branch:
10940 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10941 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10942 and rename from struct inline_data. Rename callee* to dst*;
10943 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10944 transform_new_cfg, transform_return_to_modify, and
10945 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10947 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10948 (copy_decl_for_dup): Remove.
10949 * tree-inline.c (struct inline_data): Move to header.
10950 (insert_decl_map): Export.
10951 (remap_decl): Update for member name changes. Use copy_decl hook.
10952 Allow for replacement to be a non-decl. Remove dead code.
10953 (remap_type_1): Check for existing mapping.
10954 (remap_type): Export.
10955 (remap_decls): Update for member name changes.
10956 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10957 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10958 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10959 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10960 (tree_function_versioning, build_duplicate_type): Likewise.
10961 (copy_body_r): Likewise. Export.
10962 (copy_decl_for_dup): Split into ...
10963 (copy_decl_for_dup_finish, copy_decl_to_var,
10964 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10965 (replace_ref_tree, inlining_p): Remove.
10967 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10969 * ifcvt.c (if_convert): Make it static.
10970 * rtl.h: Remove the prototype for if_convert.
10972 * local-alloc.c (local_alloc): Make it static.
10973 * rtl.h: Remove the prototype for local_alloc.
10975 * loop.c (loop_optimize): Make it static.
10976 * cfgloop.h: Remove the prototype for loop_optimize.
10979 2006-01-16 DJ Delorie <dj@redhat.com>
10981 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10984 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10986 * pa.md: Disparage copies between general and floating-point registers
10987 in 32-bit move patterns.
10989 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10992 * Makefile.in (check-%): Depend on site.exp instead of
10993 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10996 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10998 * global.c (global_alloc): Make it static.
10999 * rtl.h: Remove the prototype for global_alloc.
11001 2006-01-16 Richard Guenther <rguenther@suse.de>
11003 * tree-ssa-alias.c (struct used_part): Add write_only field.
11004 (get_or_create_used_part_for): Initialize it to true.
11005 (create_overlap_variables_for): Don't create structure variables
11006 for structures that only are written to.
11007 (find_used_portions): Handle MODIFY_EXPR to track whether a
11008 structure is only written to.
11010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11012 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11014 * basic-block.h: Remove the prototype for
11015 partition_hot_cold_basic_blocks.
11017 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11019 * cppspec.c (lang_specific_spec_functions): Remove.
11020 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11021 * gcc.h (lang_specific_spec_functions): Remove.
11022 * gccspec.c (lang_specific_spec_functions): Remove.
11024 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11026 * combine.c (record_value_for_reg): Invalidate registers
11028 (record_dead_and_set_regs_1): Likewise, by passing them to
11029 record_value_for_reg.
11030 (record_dead_and_set_regs): Invalidate stores made by a
11031 call. We do not combine across a call, but we still
11032 relied on equivalences.
11034 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11036 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11037 vrp_int_const_binop returning non-constant nodes.
11039 2006-01-16 Paul Brook <paul@codesourcery.com>
11041 * config/m68k/m68k.c (output_move_const_into_data_reg):
11042 Output correct mnemonic for mvz and mvs.
11044 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11046 * rtl-factoring.c: Add sequence abstraction algorithm.
11047 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11048 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11050 (block_has_preserve_label): New function.
11051 * common.opt: Register new pass.
11052 * Makefile.in: Ditto.
11054 * timevar.def: Ditto.
11055 * tree-pass.h: Ditto.
11056 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11057 * rtl.h (make_jump_insn_raw): Add forward decl.
11058 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11060 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11061 Roger Sayle <roger@eyesopen.com>
11063 * fold-const.c (fold_minmax): New static function.
11064 (fold_binary) <MIN_EXPR>: Call it.
11065 <MAX_EXPR>: Likewise.
11066 * stor-layout.c (place_field): Use DECL_SIZE consistently
11067 in the computation of the new record size.
11069 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11071 * cse.c (cse_condition_code_reg): Make it static.
11072 * rtl.h: Remove the prototype for cse_condition_code_reg.
11074 * combine.c (combine_instructions): Make it static.
11075 * rtl.h: Remove the prototype for combine_instructions.
11077 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11080 * tree.c (get_file_function_name_long): Concatenate the first global
11081 object name with a string derived from the input filename of the object
11084 2006-01-16 Ben Elliston <bje@au.ibm.com>
11086 * config/i386/winnt-stubs.c: Update FSF address.
11087 * config/xtensa/ieee754-df.S: Ditto.
11088 * config/xtensa/ieee754-sf.S: Ditto.
11090 2006-01-14 Ian Lance Taylor <ian@airs.com>
11092 * ifcvt.c (noce_init_if_info): New static function, broken out of
11093 noce_process_if_block.
11094 (noce_process_if_block): Call noce_init_if_info.
11095 (check_cond_move_block): New static function.
11096 (cond_move_process_if_block): New static function.
11097 (process_if_block): Call cond_move_process_if_block.
11099 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11101 * cselib.c (hash_table): Rename to cselib_hash_table.
11102 (cselib_clear_table, discard_useless_values,
11103 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11104 cselib_init, cselib_finish): Adjust uses of hash_table.
11106 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11108 PR tree-optimization/25485
11109 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11110 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11111 is known to be false and true, respectively.
11113 2006-01-14 Richard Guenther <rguenther@suse.de>
11115 PR tree-optimization/22548
11116 PR tree-optimization/22555
11117 PR tree-optimization/22501
11118 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11119 * params.def (salias-max-array-elements): New parameter.
11120 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11121 * doc/invoke.texi (salias-max-array-elements): Document.
11122 * tree-flow-inline.h (var_can_have_subvars): We also handle
11124 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11126 * tree-ssa-structalias.c (params.h): Include.
11127 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11128 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11129 (get_constraint_for): For ADDR_EXPR operating on something
11130 containing an ARRAY_REF, add all subvars to the solution.
11131 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11132 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11133 for creating MUST_DEFs.
11134 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11136 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11138 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11140 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11141 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11142 number_of_iterations_le): New functions.
11143 (number_of_iterations_special): Removed.
11144 (number_of_iterations_exit): Do not use number_of_iterations_special.
11145 * tree.c (unsigned_type_for): Always return integer type.
11147 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11148 Richard Guenther <rguenther@suse.de>
11150 PR rtl-optimization/24257
11151 * gcse.c (find_moveable_store): Only consider a store movable
11152 when the SET_SRC of the insn can be assigned to a register.
11154 2006-01-14 Ian Lance Taylor <ian@airs.com>
11156 * tree.c (tree_not_class_check_failed): New function.
11157 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11158 (tree_not_class_check_failed): Declare.
11160 2006-01-13 Ian Lance Taylor <ian@airs.com>
11162 * reload1.c (do_output_reload): Add assertion rejecting a
11165 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11167 * combine.c (struct reg_stat): Add new fields truncation_label and
11169 (record_value_for_reg): Reset truncated_to_mode.
11170 (record_truncated_value): New function.
11171 (check_promoted_subreg): Call it. Rename to check_conversions.
11172 (combine_instructions): Rename check_promoted_subreg to
11174 (reg_truncated_to_mode): New function.
11175 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11176 (gen_lowpart_or_truncate): New function.
11177 (force_to_mode): Use it instead of gen_lowpart.
11179 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11181 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11182 VAR is a tag, not its type tag.
11184 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11186 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11187 alternatives to match style of other entries.
11188 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11190 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11192 PR tree-optimization/25771
11193 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11196 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11199 * tree-inline.c (declare_return_variable): If the return variable
11200 was marked as a non gimple complex, set the return slot variable
11201 to be a non gimple comple variable.
11203 2006-01-13 Richard Guenther <rguenther@suse.de>
11205 * builtins.c (expand_builtin_sincos): New function.
11206 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11208 (expand_builtin): Expand sincos using expand_builtin_sincos.
11210 2006-01-12 DJ Delorie <dj@redhat.com>
11212 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11213 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11214 so that constant shifts can be split.
11215 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11216 (m32c_valid_pointer_mode): Make static.
11217 (shift_gen_func_for): New.
11218 (m32c_prepare_shift): Use it. Split large const shifts into
11220 * config/m32c/predicates.md (shiftcount_operand): Allow more
11222 (longshiftcount_operand): New.
11223 * doc/md.texi (Machine Constraints): Document In6.
11225 2006-01-13 Ben Elliston <bje@au.ibm.com>
11227 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11228 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11231 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11233 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11234 to try to avoid clobbering pieces of structures when we know
11235 something about the whole structure.
11236 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11238 2006-01-13 Ben Elliston <bje@au.ibm.com>
11240 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11241 return in memory, as this is no limitation is no longer present.
11243 2006-01-12 DJ Delorie <dj@redhat.com>
11245 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11246 mova with fb, and for fb+0 -> An.
11248 * config/m32c/mov.md (peephole2): Fix enabling logic.
11250 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11251 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11252 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11253 FINI_ARRAY_SECTION_ASM_OP): Define.
11255 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11257 (m32c_legitimize_reload_address): New logic to reload FB to An.
11258 (m32c_output_reg_push): Add newline.
11259 (m32c_output_reg_pop): Likewise.
11261 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11263 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11265 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11267 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11269 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11271 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11274 2006-01-11 Ben Elliston <bje@au.ibm.com>
11276 * rtlanal.c (find_reg_note): Assert insn is not null.
11278 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11280 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11283 2006-01-11 Jeff Law <law@redhat.com>
11285 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11287 (mark_threaded_blocks, register_jump_thread): New functions.
11288 (thread_through_all_blocks): Remove unwanted argument. No
11289 longer rely on e->aux to communicate thread target info.
11290 Call mark_threaded_blocks. Release the threaded_blocks
11291 bitmap and threaded_edges vector when complete.
11292 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11293 (threaded_blocks): Remove.
11294 (tree_ssa_dominator_optimize): Remove initialization and
11295 finalization of threaded_blocks. Simplify call to
11296 thread_through_all_blocks.
11297 (thread_across_edge): Call register_jump_thread rather than
11298 storing thread information into e->aux.
11299 (free_all_edge_infos): Simplify now that e->aux is no longer
11300 used to communicate with thread_through_all_blocks.
11301 * tree-flow.h (thread_through_all_blocks): Update prototype.
11302 (register_jump_thread): Prototype.
11304 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11306 * df-core.c (df_compact_blocks, df_bb_replace): Use
11307 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11309 2006-01-11 Richard Guenther <rguenther@suse.de>
11311 PR tree-optimization/25734
11312 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11313 stop propagation after successful propagation to the LHS.
11315 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11317 * basic-block.h (control_flow_graph): Change the type of
11318 x_basic_block_info to VEC(basic_block,gc) *.
11319 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11321 (SET_BASIC_BLOCK): New.
11322 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11323 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11324 * cfgbuild.c (find_basic_blocks): Likewise.
11325 * cfglayout.c (fixup_reorder_chain): Likewise.
11326 * cfgrtl.c (create_basic_block_structure,
11327 rtl_create_basic_block): Likewise.
11328 * ifcvt.c (find_if_case_1): Likewise.
11329 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11332 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11334 * Makefile.in: Removed rotted odf.c entry.
11336 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11339 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11340 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11341 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11342 output pattern modifier, not %e.
11343 * config/cris/cris.c (cris_op_str): Update comment about pattern
11345 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11346 before falling through into...
11347 <case 'E'>: Redefined from old 'e' case.
11349 2006-01-11 Jan Hubicka <jh@suse.cz>
11352 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11354 2006-01-11 Jan Hubicka <jh@suse.cz>
11356 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11357 * i386.c (x86_decompose_lea): Kill.
11358 (ix86_rtx_costs): Kill.
11360 2006-01-11 Jan Hubicka <jh@suse.cz>
11362 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11363 * cgraph.h (cgraph_node): Add inline_decl.
11364 (cgraph_insert_node_to_hashtable): Declare.
11365 (save_inline_function_body): Declare.
11366 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11368 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11369 (cgraph_function_versioning): Update call of tree_function_versioning.
11370 (save_inline_function_body): New function.
11371 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11372 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11373 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11374 (cgraph_default_inline_p): Likewise.
11375 (cgraph_decide_inlining_incrementally): Likewise.
11376 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11377 (copy_bb): Kill saving; do updating of clones.
11378 (copy_cfg_body): Kill saving.
11379 (initialize_inlined-parameters): Likewise.
11380 (expand_call_inline): Likewise.
11382 (tree_function_versioning): New parameter "update_clones".
11383 (inlining_p): Kill saving.
11384 * tree-inline.h (tree_function_versioning): Update prototype.
11385 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11388 2006-01-11 Ian Lance Taylor <ian@airs.com>
11390 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11391 Allow undoing set of machine mode.
11392 (do_SUBST): Use enums instead of is_int.
11393 (do_SUBST_MODE): New function.
11394 (SUBST_MODE): New macro.
11395 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11396 reg and trying to replace reg_regno_rtx with a new register.
11397 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11398 (simplify_set): Use SUBST_MODE.
11399 (distribute_notes): Remove code that tried to update reg notes
11400 for regno_reg_rtx changes.
11402 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11404 PR tree-optimization/23109
11405 PR tree-optimization/23948
11406 PR tree-optimization/24123
11408 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11409 * tree-cfg.c (single_noncomplex_succ): New.
11410 * tree-flow.h (single_noncomplex_succ): Declare it.
11411 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11412 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11413 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11414 insert_bb, register_division_in, insert_reciprocals,
11415 replace_reciprocal, free_bb): New.
11416 (execute_cse_reciprocals_1): Rewritten.
11417 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11418 Do not commit any edge insertion. Always compute dominators and
11419 create the allocation pool.
11420 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11421 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11422 * targhooks.c (default_min_divistions_for_recip_mul): New.
11423 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11424 * passes.c (init_optimization_passes): Run recip after tree loop
11426 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11428 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11429 Kenneth Zadeck <zadeck@naturalbridge.com>
11431 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11432 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11433 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11434 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11435 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11436 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11437 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11438 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11439 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11440 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11441 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11442 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11443 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11444 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11445 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11446 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11447 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11448 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11449 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11450 DF_SCAN_POST_ALLOC): New macros.
11451 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11452 df_free_bb_function, df_local_compute_function, df_init_function,
11453 df_dataflow_function, df_confluence_function_0,
11454 df_confluence_function_n, df_transfer_function,
11455 df_finalizer_function, df_free_function, df_dump_problem_function,
11456 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11457 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11458 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11459 df_urec_bb_info, ) New types.
11460 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11462 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11463 df_analyze_simple_change_some_blocks,
11464 df_analyze_simple_change_one_block, df_compact_blocks,
11465 df_bb_replace, df_bb_regno_last_use_find,
11466 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11467 df_insn_regno_def_p, df_find_def, df_find_use,
11468 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11469 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11470 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11471 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11472 debug_df_chain, df_get_dependent_problem, df_chain_create,
11473 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11474 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11475 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11476 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11477 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11478 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11479 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11480 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11481 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11482 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11483 df_reorganize_refs, df_set_state, df_hard_reg_init,
11484 df_read_modify_subreg_p) New public functions.
11485 * df-core.c: The core dataflow solver and glue routines for rtl
11487 (df_init, df_add_problem, df_set_blocks, df_finish,
11488 df_hybrid_search_forward, df_hybrid_search_backward,
11489 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11490 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11491 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11492 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11493 df_reg_defined, df_find_use, df_reg_used, df_dump,
11494 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11495 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11496 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11497 debug_df_useno, reset_df_after_reload): New functions.
11498 * df-scan.c: The scanning fuctions, once in df.c, completely
11499 rewritten so that they now fully model the functionality of
11500 register usage at the backend.
11501 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11502 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11503 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11504 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11505 df_get_artificial_defs, df_get_artificial_uses,
11506 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11507 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11508 df_refs_delete, df_reorganize_refs, df_set_state,
11509 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11510 df_def_record_1, df_defs_record, df_uses_record,
11511 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11512 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11513 df_record_exit_block_uses, df_hard_reg_init): New functions.
11515 * df-problems.c: Seven concrete dataflow problems that use the
11516 scanning in df-scan.c and are solved by the engine in df-core.c.
11517 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11518 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11519 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11520 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11521 df_ru_free_bb_info, df_ru_alloc,
11522 df_ru_bb_local_compute_process_def,
11523 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11524 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11525 df_ru_transfer_function, df_ru_free, df_ru_dump,
11526 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11527 df_rd_free_bb_info, df_rd_alloc,
11528 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11529 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11530 df_rd_transfer_function, df_rd_free, df_rd_dump,
11531 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11532 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11533 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11534 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11535 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11536 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11537 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11538 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11539 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11540 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11541 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11542 df_urec_mark_reg_use_for_earlyclobber,
11543 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11544 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11545 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11546 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11547 df_chain_create_bb_process_use, df_chain_create_bb,
11548 df_chain_finalize, df_chain_free, df_chains_dump,
11549 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11550 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11551 df_reg_lifetime): New functions.
11552 * df.c: Deleted file.
11553 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11554 consistent with new df api.
11555 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11556 rest_of_handle_sms): Ditto.
11557 * web.c (unionfind_union, union_defs, entry_register, web_main):
11559 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11560 invariant_expr_equal_p, find_defs, check_dependencies,
11561 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11562 free_inv_motion_data, move_loop_invariants): Ditto.
11563 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11564 Update dependencies.
11565 (odf.c): Added defective entry that was deleted later in day.
11566 * sched-deps.c (sched_analyze_1): Ditto.
11568 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11570 * tree-ssa-operands.c (get_expr_operands): Record addressable
11571 variables directly. Do not call add_stmt_operands for CONST_DECLs
11573 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11574 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11576 2006-01-11 Ben Elliston <bje@au.ibm.com>
11578 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11579 function returns true in the positive case.
11581 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11584 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11585 for SI, DI, SF and DF modes. Add alternatives to copy between
11586 general and floating point registers to the 32-bit patterns.
11587 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11588 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11589 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11590 generating 64-bit code.
11591 * config/pa/pa.c (output_move_double): Handle copies between general
11592 and floating registers.
11594 2006-01-10 Stuart Hastings <stuart@apple.com>
11596 * config/i386/i386.md (set_got): Update.
11597 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11598 (builtin_setjmp_receiver): Mach-O support.
11599 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11600 (GOT_SYMBOL_NAME): Define.
11601 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11602 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11603 * config/i386/i386.c (override_options): Revise for Darwin.
11604 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11605 support. (darwin_x86_file_end): New. (output_set_got): Add label
11606 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11607 * config/i386/i386-protos.h (output_set_got): Likewise.
11608 * config/darwin.c (machopic_legitimize_pic_address): Update
11611 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11613 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11614 when MODE isn't BLKmode.
11616 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11618 PR rtl-optimization/25367
11619 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11621 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11624 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11625 for a negative bound.
11627 2006-01-10 Richard Guenther <rguenther@suse.de>
11629 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11630 Never override with anything constraint.
11632 2006-01-10 Jan Beulich <jbeulich@novell.com>
11634 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11635 256 bits when optimize_size.
11637 2006-01-10 Jan Beulich <jbeulich@novell.com>
11639 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11641 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11642 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11645 2006-01-10 Ben Elliston <bje@au.ibm.com>
11647 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11649 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11650 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11651 (USE_FP_FOR_ARG): Reject decimal float modes.
11652 (function_arg_advance): Likewise.
11653 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11654 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11655 point types in AltiVec vectors.
11656 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11657 (rs6000_libcall_value): Likewise.
11659 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11661 * config/xtensa/ieee754-df.S: New file.
11662 * config/xtensa/ieee754-sf.S: New file.
11663 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11664 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11665 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11667 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11669 * config/sh/predicates.md (binary_float_operator,
11670 binary_logical_operator, commutative_float_operator,
11671 equality_comparison_operator, greater_comparison_operator,
11672 less_comparison_operator, logical_operator,
11673 noncommutative_float_operator, shift_operator,
11674 symbol_ref_operand, unary_float_operator): Remove redundant
11677 2006-01-09 Jeff Law <law@redhat.com>
11679 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11680 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11681 now unused arguments. Callers updated.
11682 (eliminate_redundant_computations): Remove now unused arguments,
11684 (local_fold): Remove, no longer used.
11685 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11687 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11688 (simplify_cond): New function.
11689 (forward_propagate_into_cond): Call simplify_cond.
11691 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11693 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11694 (*vec_extractv2di_1_sse): New.
11696 2006-01-09 Ben Elliston <bje@au.ibm.com>
11698 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11700 2006-01-08 Richard Guenther <rguenther@suse.de>
11702 * tree-ssa-structalias.c (get_constraint_for): Remove
11703 anyoffset argument.
11704 (get_constraint_for_component_ref): Likewise.
11705 (do_deref): Likewise.
11706 (get_constraint_for): Likewise.
11707 (do_structure_copy): Likewise.
11708 (handle_ptr_arith): Likewise.
11709 (find_func_aliases): Likewise. Remove unused need_anyoffset
11712 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11713 Kaz Kojima <kkojima@gcc.gnu.org>
11715 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11716 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11717 (EXTRA_CONSTRAINT_C16): Remove.
11718 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11719 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11720 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11721 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11722 constants of SHmedia. Handle nested constant expressions of
11724 (andcosts): Fix the costs for SHmedia constants.
11725 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11726 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11727 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11728 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11729 (movv4hi_i, movv2si_i): Likewise.
11730 (movsi_const): Adjust the second operand of ior so to match with
11731 the Csu constraint.
11732 (movdi_const, movdi_const_32bit): Likewise.
11733 (movdi_const_16bit+1): Don't sign-extend LOW.
11734 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11736 (*double_shori): Fix the split condition. Use GEN_INT instead
11737 of get_int_mode calls. Mask lower 16-bit of the argument of
11739 (sym2GOTPLT): Remove.
11740 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11742 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11743 instead of EXTRA_CONSTRAINT_C16.
11745 2006-01-07 Ian Lance Taylor <ian@airs.com>
11746 David Edelsohn <edelsohn@gnu.org>
11748 PR rtl-optimization/25662
11749 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11750 for constant operands instead of simplify_gen_binary.
11751 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11752 after trying simplify_binary_operation
11754 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11756 * tree.c (iterative_hash_expr): Hash decls based on UID.
11758 2006-01-06 Eric Christopher <echristo@apple.com>
11760 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11761 (TARGET_UNWIND_EMIT): Fix spelling.
11762 * target.h (gcc_target): Add except_table_label.
11763 * except.c (output_function_exception_table): Use.
11764 * varasm.c (default_emit_except_table_label): New.
11765 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11767 (asm_out): Add here.
11768 * output.h (default_emit_except_table_label): Prototype.
11769 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11770 * config/darwin.c (darwin_emit_except_table_label): Define.
11771 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11773 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11775 PR tree-optimization/18527
11776 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11777 number_of_iterations_special, number_of_iterations_exit):
11778 Move base and step of an iv to a single structure. Add
11779 no_overflow flag, and use it in # of iterations analysis.
11780 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11781 folded_casts argument.
11782 (simple_iv): Pass base and step in a structure. Set no_overflow
11784 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11785 Evaluate expensiveness of computing # of iterations instead of
11786 the final expression.
11787 * tree-scalar-evolution.h (affine_iv): New structure.
11788 (simple_iv): Declaration changed.
11789 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11790 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11791 find_givs_in_stmt): Changed due to simple_iv change.
11793 2006-01-06 Jeff Law <law@redhat.com>
11796 * tree-cfg.c (bsi_replace): Rename final argument from
11797 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11798 change (stmt -> orig_stmt).
11799 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11800 (bsi_remove): Add new argument. Remove EH information
11802 (verify_eh_throw_table_statements): New function.
11803 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11805 * tree-optimize.c (execute_free_cfg_annotations): Verify
11806 the EH throw statement table after removing annotations.
11807 * except.h (verify_eh_throw_table_statements): Prototype.
11808 * tree-flow.h (bsi_remove): Update prototype.
11809 * tree-vrp.c (remove_range_assertions): Add new argument to
11811 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11812 * tree-complex.c (expand_complex_div_wide): Likewise.
11813 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11814 * tree-tailcall.c (eliminate_tailcall): Likewise.
11815 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11816 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11817 * tree-nrv.c (tree_nrv): Likewise.
11818 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11819 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11820 (combine_blocks): Likewise.
11821 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11822 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11823 (cleanup_control_flow): Likewise.
11824 (remove_forwarder_block): Likewise.
11825 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11826 * tree-sra.c (sra_replace): Likewise.
11827 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11828 (forward_propagate_single_use_vars): Likewise.
11829 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11830 * tree-inline.c (expand_call_inline): Likewise.
11831 * tree-vect-transform.c (vect_transform_loop): Likewise.
11832 * tree-outof-ssa.c (rewrite_trees): Likewise.
11833 * tree-cfg.c (make_goto_expr_edges): Likewise.
11834 (cleanup_dead_labels): Likewise.
11835 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11836 (bsi_move_before, bsi_move_after): Likewise.
11837 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11838 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11840 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11843 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11845 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11846 on non gimple variables. Also add checks at the top for decls and
11848 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11850 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11851 and IMAGPART_EXPR for creating MUST_DEFs.
11852 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11853 and NAME_MEMORY_TAG separately from the DECLs.
11855 2006-01-06 Richard Guenther <rguenther@suse.de>
11857 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11858 annotation, if necessary.
11859 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11860 redundant calls to update_stmt.
11861 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11864 2006-01-05 Richard Henderson <rth@redhat.com>
11866 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11868 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11870 * c-typeck.c: Update copyright date.
11872 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11874 * c-typeck.c (build_c_cast): Always warn when casting
11875 from a pointer to an integer of different size, even if
11876 the node was constant.
11878 2006-01-05 Richard Guenther <rguenther@suse.de>
11880 PR tree-optimization/22555
11881 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11882 if one structure field is an array.
11883 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11884 operands even if we found a subvar, but ignore VOPs in this
11886 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11888 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11890 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11892 PR middle-end/24998
11893 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11895 2006-01-05 Richard Guenther <rguenther@suse.de>
11896 Diego Novillo <dnovillo@redhat.com>
11898 * tree-pass.h (TODO_remove_unused_locals): Define.
11899 * gimple-low.c (expand_var_p, remove_useless_vars,
11900 pass_remove_useless_vars): Remove. Update all users.
11901 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11902 (remove_unused_locals): New function.
11903 * tree-flow.h (remove_unused_locals): Declare.
11904 * passes.c (execute_todo): Call remove_unused_locals if
11905 TODO_remove_unused_locals is set.
11906 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11907 * tree-ssa-dce.c (pass_dce): Likewise.
11908 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11910 2006-01-05 Richard Guenther <rguenther@suse.de>
11912 * tree-flow.h (struct fieldoff): Decompose field to
11913 type, size and decl.
11914 * tree-ssa-alias.c (create_sft): Take type as parameter.
11915 (create_overlap_variables_for): Store type, size and decl
11916 in the fieldoff structure.
11917 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11918 of struct fieldoff.
11919 (push_fields_onto_fieldstack): Likewise.
11920 (create_variable_info_for): Likewise. Use offset for the
11921 SFT name if the decl is not available.
11923 2006-01-04 Paul Brook <paul@codesourcery.com>
11925 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11927 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11929 * lambda-code.c (can_put_in_inner_loop): Relax
11931 (can_put_after_inner_loop): New function.
11932 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11933 (perfect_nestify): Change to make copies and modify uses.
11935 2006-01-04 Richard Henderson <rth@redhat.com>
11937 Merge from gomp branch:
11938 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11939 via integer constant.
11940 (pragma_lex): Remove.
11941 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11942 rather than parsing it.
11943 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11944 handle_pragma_extern_prefix): Add %< %> quotes.
11945 (registered_pragmas): New.
11946 (c_register_pragma_1): New.
11947 (c_register_pragma): Use it.
11948 (c_register_pragma_with_expansion): Likewise.
11949 (c_invoke_pragma_handler): New.
11950 (init_pragma): Use cpp_register_deferred_pragma directly for
11952 * c-pragma.h (enum pragma_kind): New.
11953 (pragma_handler): New.
11954 (c_invoke_pragma_handler): Declare.
11955 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11957 * c-common.h (c_common_pch_pragma): Update decl.
11958 * Makefile.in (c-parser.o): Update dependencies.
11959 (GTFILES): Add c-pragma.h.
11960 * c-parser.c (struct c_token): Add pragma_kind.
11961 (struct c_parser): Add in_pragma.
11962 (c_lex_one_token): Always initialize keyword and pragma_kind.
11963 Extract data for CPP_PRAGMA.
11964 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11965 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11966 Don't allow CPP_PRAGMA_EOL if in_pragma.
11967 (c_parser_consume_pragma): New.
11968 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11969 (c_parser_skip_to_end_of_parameter): Likewise.
11970 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11971 (c_parser_skip_to_pragma_eol): New.
11972 (c_parser_external_declaration): Handle CPP_PRAGMA.
11973 (c_parser_compound_statement_nostart): Likewise.
11974 (c_parser_statement_after_labels): Likewise.
11975 (c_parser_pragma): New.
11976 (pragma_lex): Likewise.
11977 (c_parser_pragma_pch_preprocess): New.
11978 (c_parser_new): Merge into ...
11979 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11981 2006-01-04 Jeff Law <law@redhat.com>
11984 * tree-cfg.c (bsi_replace): Remove the original statement
11985 from the EH throw statement table.
11987 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11989 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11990 make the prototype extern "C" and add throw ().
11993 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11994 and pos non-negative and pos + len <= 32.
11995 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11996 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11997 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12000 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12001 as well as sizes not multiple of component size.
12004 * function.c (instantiate_expr): New function.
12005 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12006 walk its DECL_VALUE_EXPR with instantiate_expr.
12008 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12009 DW_OP_deref{,_size} if address isn't going to be added.
12011 2006-01-04 Ben Elliston <bje@au.ibm.com>
12013 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12014 * config/fp-bit.c: Likewise.
12016 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12018 * dominance.c: Add comment about why we use DFS numbering
12021 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12022 Richard Henderson <rth@redhat.com>
12024 Merge from gomp-branch:
12025 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12026 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12028 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12030 PR rtl-optimization/25578
12031 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12032 pass a parameter to simplify_shift_const if changing ASHIFTRT
12035 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12037 * builtins.c (get_builtin_sync_mem): New function.
12038 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12039 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12040 Call get_builtin_sync_mem to generate mem rtx.
12042 2006-01-03 Richard Guenther <rguenther@suse.de>
12045 * stmt.c (add_case_node): Make sure to clear overflow flags
12048 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12050 Merge from gomp-branch.
12051 * config/sparc/sync.md: New file.
12052 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12053 UNSPECV_LDSTUB): New constants.
12054 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12055 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12056 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12059 2006-01-03 Roger Sayle <roger@eyesopen.com>
12061 * combine.c (reg_subword_p): New predicate to test whether the
12062 destination of a set refers to a subword/piece of a register.
12063 (try_combine): Generalize the code to merge the setting of a
12064 pseudo to a constant followed by a set of a subword of that
12065 register to a constant.
12067 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12069 * basic-block.h (control_flow_graph): Change the type of
12070 x_label_to_block_map to VEC(basic_block,gc) *.
12071 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12072 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12074 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12075 VEC(basic_block,heap) *.
12076 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12077 ssa_prop_fini): Adjust the uses of cfg_blocks.
12079 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12081 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12083 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12084 hashing trees instead of a pointer hash.
12085 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12086 compare for MEM_EXPR.
12088 PR rtl-optimization/25130
12089 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12090 when comparing MEMs for GCSE
12092 2006-01-03 Ben Elliston <bje@au.ibm.com>
12094 * targhooks.h (default_decimal_float_supported_p): Declare.
12095 * targhooks.c (default_decimal_float_supported_p): Define.
12096 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12097 `default_decimal_float_supported_p'.
12098 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12100 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12102 * combine.c (apply_distributive_law <SUBREG>): Check
12103 TRULY_NOOP_TRUNCATION.
12105 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12107 * dwarf2out.c (have_switched_text_section): Delete.
12108 (have_multiple_function_sections): New.
12109 (have_location_lists): Make 'bool'.
12110 (add_AT_loc_list): Use 'true' not '1'.
12111 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12112 (output_loc_list): Use have_multiple_function_sections.
12113 (output_ranges): Likewise.
12114 (dwarf2out_begin_function): Set have_multiple_function_sections if
12116 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12117 Check function_section rather than DECL_SECTION_NAME.
12118 (dwarf2out_finish): Use have_multiple_function_sections.
12119 Don't clear have_location_lists.
12121 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12122 Jan Hubicka <jh@suse.cz>
12124 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12125 case of conditional jump jumping to the next instruction.
12126 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12127 cases of conditional jump jumping to the next instruction.
12129 2006-01-02 Jan Hubicka <jh@suse.cz>
12131 * i386.c (*_cost): Add COSTS_N_INSNS.
12132 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12134 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12137 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12139 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12141 * config/arm/arm.c (all_fpus): Fix comment typo.
12142 * config/darwin.c: Likewise.
12143 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12144 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12145 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12147 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12149 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12150 (rs6000_split_compare_and_swapqhi): New.
12151 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12152 (sync_compare_and_swapqhi_internal): New.
12153 * config/rs6000/rs6000-protos.h: Declare.