1 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/27872
4 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5 flag on the new exit edge of the unrolled loop.
7 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9 PR rtl-optimization/26449
10 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
12 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
15 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
16 referenced_variables with matching DECL_UID's.
17 (find_referenced_vars): Make sure duplicate list is empty to start.
18 (referenced_var_p): Remove.
19 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
20 Check if var is in the list, and add if needed. Update the duplicate
21 list if a different var is in the list with the same DECL_UID.
22 (add_referenced_var): Call routine to check and insert.
23 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
24 * tree-flow.h (referenced_vars_dup_list): External declaration.
26 2006-06-07 Fred Fish <fnf@specifix.com>
28 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
31 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
34 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
35 the imaginary and real parts of a clobbered register.
36 Emit insn to set the imaginary part.
38 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
40 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
41 in lieu of unwind-dw2-fde.c.
43 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
45 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
47 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
50 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
51 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
52 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
53 V4SImode temporaries and operations instead.
55 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
57 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
60 2006-06-06 Mike Stump <mrs@apple.com>
62 * Makefile.in: Rename to htmldir to build_htmldir to avoid
63 installing during build.
65 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
67 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
69 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
70 * config/ia64/ia64.c (params.h): New header.
71 (ia64_optimization_options): New function to adjust parameters.
72 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
73 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
74 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
76 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
78 * stor-layout.c (debug_rli): Fix a typo in a debug message.
80 2006-06-05 Steve Ellcey <sje@cup.hp.com>
83 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
85 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
86 Victor Kaplansky <victork@il.ibm.com>
88 PR tree-optimization/26360
89 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
92 2006-06-04 Roger Sayle <roger@eyesopen.com>
93 Andrew Pinski <pinskia@physics.uc.edu>
96 * c-common.c (c_common_truthvalue_conversion): Explicitly check
97 for LABEL_DECL before calling DECL_WEAK.
100 * c-typeck.c (build_binary_op): Likewise, explicitly check for
101 LABEL_DECL and PARM_DECL.
103 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
107 * c-decl.c (grokdeclarator): Disallow variably modified types at
108 file scope. Avoid marking shared array type of constant size as
111 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
114 * c-common.c (fold_offsetof_1): Handle static members.
116 2006-06-04 Eric Christopher <echristo@apple.com>
118 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
119 (debug_rli): Output value for remaining_in_alignment.
120 (update_alignment_for_field): Unconditionalize
121 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
122 extra alignment code.
123 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
124 ms_bitfield_layout_p code. Rewrite handling of structure fields.
125 * tree.h (record_layout_info_s): Remove prev_packed.
126 * doc/extend.texi (ms_struct): Add documentation of format.
128 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
130 * tree.h: Declare folding_initializer.
131 * builtins.c (fold_builtin_constant_p): Give definite answer
132 if folding inside an initializer.
133 * fold-const.c: Define folding_initializer.
134 (START_FOLD_INIT): Save and then set folding_initializer.
135 (END_FOLD_INIT): Restore folding_initializer.
137 2006-06-04 Richard Guenther <rguenther@suse.de>
139 PR tree-optimization/27039
140 * fold-const.c (fold_comparison): Handle pointer comparison
141 again for all comparison codes. Compare offsets in signed
143 (fold_binary): Move code from here.
145 2006-06-03 Roger Sayle <roger@eyesopen.com>
148 * config/i386/i386.c (construct_container): Split static issued_error
149 flag into issued_sse_arg_error, issued_sse_ret_error and
150 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
151 requires the use of x87 registers and the user explicitly
152 specified the -mno-80387 command line option.
154 2006-06-02 Geoffrey Keating <geoffk@apple.com>
156 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
157 HAVE_DECL_SIGALTSTACK.
159 (segv_handler): Use MC_FLD.
160 * configure.ac: Check for a sigaltstack declaration.
161 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
162 * configure: Regenerate.
163 * config.in: Regenerate.
165 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
168 * Makefile.in (stmp-fixinc): Fix typo.
170 2006-06-02 Roger Sayle <roger@eyesopen.com>
172 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
173 are type correct. Clean-up.
174 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
175 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
177 2006-06-01 DJ Delorie <dj@redhat.com>
179 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
180 shift, as we've disabled the "switch" insn that needs it.
182 2006-06-01 Per Bothner <bothner@bothner.com>
184 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
185 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
186 * c-ppoutput.c (cb_define): Don't increment line 0.
188 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
190 * doc/invoke.texi: Add cpu_type power6.
191 * config.gcc: Add cpu_type power6.
192 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
193 to power5+ with Altivec.
194 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
195 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
197 2006-05-30 Anatoly Sokolov <aesok@post.ru>
199 * config/avr/avr.h (SET_ASM_OP): Define.
201 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
203 * config/bfin/bfin.c: Fix comment typos.
205 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
208 * doc/install.texi: Document --enable-bootstrap and
211 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
213 * doc/install.texi: Document that InfoZIP can replace jar.
215 2006-05-31 Roger Sayle <roger@eyesopen.com>
217 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
218 isn't available, directly generate the simpler x87 patterns without
219 the (use (const_int 0)).
220 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
221 implementation isn't available.
222 (*negdf2_1): Likewise.
223 (*negxf2_1): XF mode negation is always done using the x87.
224 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
226 2006-05-31 Roger Sayle <roger@eyesopen.com>
228 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
229 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
231 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
233 2006-05-31 Jie Zhang <jie.zhang@analog.com>
235 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
236 * config/bfin/bfin.c (basic-block.h): Include.
237 (struct machine_function): New.
238 (bfin_init_machine_status): New.
239 (override_options): Initialize init_machine_status.
240 (bfin_hardware_loop): New.
241 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
242 (DEF_VEC_P (loop_info)): New.
243 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
244 (struct loop_info): New.
245 (loop_info): New typedef.
246 (struct loop_work): New.
247 (loop_work): New typedef.
248 (DEF_VEC_O (loop_work)): New.
249 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
250 (bfin_dump_loops): New.
251 (bfin_bb_in_loop): New.
252 (bfin_scan_loop): New.
253 (bfin_optimize_loop): New.
254 (bfin_reorg_loops): New.
255 (bfin_reorg): Use bfin_reorg_loops.
256 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
258 (I_REGNO_P): Simplify.
259 (DP_REGNO_P, DPREG_P): New macros.
260 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
261 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
262 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
263 Add LT_REGS, LC_REGS, LB_REGS.
264 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
266 (REGNO_REG_CLASS): Deal with loop registers.
267 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
269 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
270 New constants for loop registers.
271 (UNSPEC_LSETUP_END): New.
272 (seq_insns): New define_attr. Set it for appropriate insns.
273 (movsi_insn): Add alternatives for move from/to
274 loop count registers.
275 (doloop_end): New define_expand.
276 (loop_end): New define_insn.
277 (define_split for bad doloop_end): New.
278 (lsetup_with_autoinit): New define_insn.
279 (lsetup_without_autoinit): New define_insn.
280 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
281 * config/bfin/predicates.md (lc_register_operand): New.
282 (lt_register_operand): New.
283 (lb_register_operand): New.
284 (nondp_register_operand): New.
285 (nondp_reg_or_memory_operand): New.
286 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
288 2006-05-31 Jie Zhang <jie.zhang@analog.com>
290 * config/bfin/bfin.c (bfin_delegitimize_address): New.
291 (TARGET_DELEGITIMIZE_ADDRESS): Define.
293 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
295 * Makefile.in (CATALOGS): Add po/ prefix.
296 * configure: Regenerated.
298 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
301 * arm.c (arm_print_operand case 'S'): Validate that the operand is
302 a shift operand before calling shift_op. Avoid redundant call of
305 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
306 DJ Delorie <dj@redhat.com>
308 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
309 we're inserting is a singlt-bit constant.
311 2006-05-30 Roger Sayle <roger@eyesopen.com>
313 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
314 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
316 2006-05-30 Roger Sayle <roger@eyesopen.com>
318 PR tree-optimization/23452
319 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
320 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
321 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
322 complex values and with -ffast-math for FP complex values.
324 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
326 * c-common.h: Remove the prototype for yyparse.
327 * rtl.h: Remove the prototype for init_loop.
329 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
331 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
334 2006-05-30 Roger Sayle <roger@eyesopen.com>
336 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
338 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
339 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
341 2006-05-30 Dirk Mueller <dmueller@suse.de>
344 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
345 for CONSTANT_CLASS_P expresisons.
347 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
350 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
352 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
354 PR tree-optimization/27779
355 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
356 initial_condition instead of CHREC_LEFT.
358 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
360 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
361 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
362 Make prototypes ISO C90.
364 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
365 Leehod Baruch <leehod.baruch@weizmann.ac.il>
367 * see.c (see_analyze_one_def): Correct check.
368 (see_get_extension_data): Check if extension is parallel.
369 (see_get_extension_reg): Likewise.
371 2006-05-30 Uros Bizjak <uros@kss-loka.si>
374 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
375 into register for (code == GTU).
377 2006-05-29 Roger Sayle <roger@eyesopen.com>
379 PR tree-optimization/24964
380 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
381 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
382 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
383 abs(x)*abs(x) as x*x for scalar floating point modes.
385 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
388 * lambda-code.c (perfect_nestify): Don't copy statements
389 in the inner loop: move them to the inner loop header.
391 2006-05-29 Diego Novillo <dnovillo@redhat.com>
394 * c-tree.texi: Document OpenMP directives and clauses.
396 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
398 * varasm.c (globalize_decl): Fix indentation.
400 2006-05-29 Diego Novillo <dnovillo@redhat.com>
403 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
404 pass_fre, pass_store_ccp, pass_copy_prop,
405 pass_store_copy_prop, pass_merge_phi, pass_nrv,
406 pass_return_slot, pass_object_size, pass_lim,
407 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
408 pass_loop_prefetch and pass_stdarg.
410 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
412 * config/bfin/bfin.opt (mfdpic): New option.
413 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
414 (EXTRA_MULTILIB_PARTS): Likewise.
415 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
416 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
418 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
419 (CRT_CALL_STATIC_FUNCTION): New.
420 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
422 (CRT_CALL_STATIC_FUNCTION): New.
423 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
425 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
426 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
427 (initialize_trampoline): Changed to handle FD-PIC code generation.
428 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
429 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
430 (override_options): Disallow -mid-shared-library -mfdpic combination.
431 Can't do unaligned ops if FD-PIC.
432 Turn off flag_pic if trying to generate non-id-shared-library
433 non-fdpic code, since it's not supported.
434 (bfin_assemble_integer): New function.
435 (TARGET_ASM_INTEGER): Define.
436 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
438 * config/bfin/crtn.s: Restore them.
439 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
441 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
442 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
443 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
444 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
445 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
447 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
448 FDPIC_REGS and FDPIC_FPTR_REGS.
449 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
450 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
451 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
452 (load_funcdescsi): New pattern.
453 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
454 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
455 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
457 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
459 * gcse.c, rtlanal.c: Remove obsolete comments associated with
462 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
464 * tree-flow.h: Remove the prototype for add_type_alias.
465 * tree-ssa-alias.c (add_type_alias): Remove.
467 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
469 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
470 config/fr30/fr30.md, config/i386/i386-interix.h,
471 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
472 config/sh/superh64.h, config/v850/v850.c, df-core.c,
473 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
474 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
475 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
476 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
477 Follow spelling conventions.
478 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
479 Follow spelling conventions.
481 2006-05-27 Richard Guenther <rguenther@suse.de>
484 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
485 to produce a constant of value 1 of generic type.
487 2006-05-27 Dirk Mueller <dmueller@suse.de>
489 * cgraphunit.c (decide_is_function_needed): Fix wrong
492 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
494 PR rtl-optimization/27661
495 * reload.c (find_reloads): When reloading a VOIDmode constant
496 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
497 use Pmode as mode of the reload register.
499 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
501 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
502 is enabled at -O and above.
504 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
507 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
510 2006-05-25 Mark Mitchell <mark@codesourcery.com>
513 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
514 for anonymous variables explicitly declared by front ends.
516 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
518 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
519 (struct alias_info): Add new field ref_all_symbol_mem_tag.
520 * tree-ssa-alias.c (compute_may_aliases): If the program contains
521 ref-all pointers, run a finalization pass for them.
522 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
523 (finalize_ref_all_pointers): New function.
524 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
525 regular pointer type to a ref-all pointer type.
526 (get_tmt_for): Return the special memory tag for ref-all pointers.
528 2006-05-25 Richard Guenther <rguenther@suse.de>
531 * fold-const.c (fold_binary): Do not look at the stripped
532 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
534 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
536 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
537 for LT and GT if the computed range is effectively empty.
539 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
542 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
543 mips_quad_format formats instead of ieee_single_format,
544 ieee_double_format and ieee_quad_format formats, respectively.
546 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
548 PR tree-optimization/27639
549 PR tree-optimization/26719
550 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
551 call to scev_probably_wraps_p.
552 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
553 used_in_pointer_arithmetic_p, convert_step): Removed.
554 (nowrap_type_p): New function.
555 (scev_probably_wraps_p): Rewritten.
556 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
557 chrec_convert if chrec_convert_aggressive might have been used.
558 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
559 scev_direction): New functions.
560 (chrec_convert): Changed to a wrapper over chrec_convert_1.
561 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
562 instead of convert_step.
563 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
564 (convert_step): Declaration removed.
565 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
567 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
569 * df-core.c: Added to header comments.
570 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
571 df_ur_bb_info, df_urec_bb_info): Added comments.
572 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
573 urec, ri problems): Fixed header comments.
574 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
575 code from df_rd_transfer_function.
577 2006-05-23 Richard Sandiford <richard@codesourcery.com>
579 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
580 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
581 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
583 2006-05-23 Joseph Myers <joseph@codesourcery.com>
585 * expr.c (undefined_operand_subword_p): New.
586 (emit_move_multi_word): Do not generate move from undefined bits
587 of a paradoxical subreg.
589 2006-05-23 Richard Sandiford <richard@codesourcery.com>
591 PR rtl-optimization/27736
592 * combine.c (replaced_rhs_value): New variable.
593 (combine_instructions): Set it.
594 (distribute_notes): When distributing a note in replaced_rhs_insn,
595 check whether the value was used in replaced_rhs_value.
597 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
600 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
601 add_referenced_var instead of add_referenced_tmp_var.
602 * tree-complex.c (create_one_component_var): Use add_referenced_var.
603 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
605 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
606 tree_optimize_tail_calls_1): Use add_referenced_var.
607 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
608 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
609 Use add_referenced_var.
610 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
611 * gimplify.c (force_gimple_operand): Use add_referenced_var.
612 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
613 Use add_referenced_var.
614 * tree-dfa.c (struct walk_state): Remove.
615 (find_referenced_vars): Remove walk state and vars_found hash table.
616 (make_rename_temp): Use add_referenced_var.
617 (find_vars_r): Pass less parameters to add_referenced_var.
618 (referenced_var_p): New. Is var in referenced_var hash table.
619 (referenced_var_insert): Assert var isn't already in hash table.
620 (add_referenced_var): Don't need walk_state parameter. Add var if it
621 isn't already in the hash table.
622 (add_referenced_tmp_var): Remove.
623 (find_new_referenced_vars_1): Use add_referenced_var.
624 * tree-ssa-pre.c (create_expression_by_pieces,
625 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
626 Use add_referenced_var.
627 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
628 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
629 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
631 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
632 vect_create_data_ref_ptr, vect_create_destination_var,
633 vect_init_vector, vect_build_loop_niters,
634 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
635 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
636 Use add_referenced_var.
637 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
638 * tree-flow.h (add_referenced_tmp_var): Remove prototype
639 (add_referenced_var): Add prototype.
640 * tree-ssa-structalias.c (get_constraint_for,
641 intra_create_variable_infos): Use add_referenced_var.
643 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
645 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
646 big-endian paradoxical subregs.
647 * var-tracking.c (struct micro_operation_def): Document that,
648 for modify micro operations, insn is the subsequent instruction.
649 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
650 (var_reg_set, var_mem_set): ... new functions.
651 (add_stores): Record subsequent insn.
652 (compute_bb_dataflow): Use new functions for MO_USE.
653 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
654 notes after the insn, and modify notes before the insn known
655 to be the subsequent one.
656 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
658 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
661 * config/i386/i386.c (ix86_expand_builtin): Use
662 gen_sse3_monitor64 for TARGET_64BIT.
664 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
666 PR rtl-optimization/26375
667 PR rtl-optimization/26855
668 * df-problems (df_ru_bb_local_compute_process_def): Removed update
670 (df_ru_bb_local_compute): Reversed statements and removed bogus
671 comment explaining why they should be in wrong order.
672 (df_ru_dump, df_rd_dump): Enhanced debug info.
673 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
675 * ddg.c (add_deps_for_def): Converted use of reaching defs to
676 reaching uses and fixed space problem.
678 2006-05-23 Jan Hubicka <jh@suse.cz>
680 * cgraphunit.c (decide_is_function_needed): Also nested functions
681 and functions declared inline can be optimized out at -O0.
683 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
685 * doc/install.texi (Configuration): Remove reference to CrossGCC
686 FAQ which was hijacked.
689 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
692 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
693 ix86_compare_emitted is non-NULL.
695 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
698 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
701 2006-05-22 Richard Sandiford <richard@codesourcery.com>
703 PR rtl-optimization/25514
704 * combine.c (replaced_rhs_insn): New variable.
705 (combine_instructions): Set replaced_rhs_insn when trying to replace
706 a SET_SRC with a REG_EQUAL note.
707 (distribute_notes): Use replaced_rhs_insn when determining the live
708 range of a REG_DEAD register.
710 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
711 Anatoly Sokolov <aesok@post.ru>
713 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
714 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
715 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
716 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
717 atmega3290, atmega649, atmega6490, atmega406, atmega640,
718 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
719 at90usb647, at90usb1286 and at90usb1287 devices.
720 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
721 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
723 2006-05-22 Richard Sandiford <richard@codesourcery.com>
725 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
727 2006-05-22 Richard Guenther <rguenther@suse.de>
730 2006-01-31 Richard Guenther <rguenther@suse.de>
731 Paolo Bonzini <bonzini@gnu.org>
733 * doc/install.texi (--disable-libgcc-math): Document.
735 2006-05-22 Richard Guenther <rguenther@suse.de>
738 2006-01-31 Richard Guenther <rguenther@suse.de>
740 * doc/invoke.texi (-msselibm): Document.
741 * target.h (expand_library_builtin): New target hook.
742 * builtins.c (expand_builtin): Use expand_library_builtin.
743 (default_expand_library_builtin): New function.
744 * gcc.c (LINK_GCC_MATH_SPEC): Define.
745 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
746 (link_gcc_math_spec): Declare.
747 (static_specs): Add link_gcc_math_spec.
748 * expr.h (default_expand_library_builtin): Declare.
749 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
750 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
751 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
752 * config/i386/i386.opt (msselibm): New target option.
753 * config/i386/i386.c (ix86_builtin_function_variants): New array.
754 (ix86_init_sse_abi_builtins): New function.
755 (ix86_expand_library_builtin): Likewise.
756 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
757 (override_options): Handle error conditions wrt -msselibm.
758 (ix86_builtins): Add function codes for SSE2 ABI builtins.
759 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
760 * doc/extend.texi (__builtin_sse2_*): Document new target specific
763 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
766 * c-common.c (self_promoting_args_p): Skip erroneous args.
769 * c-decl.c (finish_struct): Skip erroneous fields.
771 2006-05-22 Nick Clifton <nickc@redhat.com>
773 * config/cris/cris.opt (march): Remove VarExists attribute.
774 (max-stackframe=): Likewise.
776 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
778 * doc/rtl.texi: Fix a typo.
779 * see.c: Fix comment typos.
781 * tree-ssa-structalias.h (alias_info): Remove num_references.
783 2006-05-21 Mike Stump <mrs@apple.com>
785 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
787 (darwin_pragma_options): Use BAD instead.
788 (darwin_pragma_unused): Likewise.
789 (darwin_pragma_ms_struct): Likewise.
791 2006-05-21 David Edelsohn <edelsohn@gnu.org>
793 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
795 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
797 PR rtl-optimization/27671
798 * simplify-rtx.c (simplify_relational_operation_1): Fix
799 simplifications of (eq/ne (xor x y) y) and
802 PR tree-optimization/26622.
803 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
806 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
808 * tree-cfg.c: Prune whitespace.
809 (debug_tree_cfg): Point to correct header containing the
812 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
815 * cgraphunit.c (verify_cgraph_node): Typo in error message.
817 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
820 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
821 or sorry count is non zero.
823 2006-05-20 Andreas Schwab <schwab@suse.de>
825 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
827 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
828 Kenneth Zadeck <zadeck@naturalbridge.com>
830 PR rtl-optimization/26855
832 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
834 (df_scan_alloc): Added code to properly handle multiword hard
835 registers and add all_blocks parameter.
836 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
837 code to properly handle multiword hard registers.
838 (df_rescan_blocks): Added code to remove deleted blocks from
840 (df_ref_create_structure, df_ref_record): Added code to properly
842 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
843 and set DF_REF_PARTIAL.
844 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
845 (df_uses_record): Added DF_REF_PARTIAL for subreg.
846 (df_scan_add_problem): Added flags parameter.
847 (df_ref_create_structure): Changed switching structure.
848 (df_bb_refs_record): Fixed case where duplicate artificial refs
849 were created. Changed location of flags.
850 (df_record_entry_block_defs): Added code to make stack pointer
851 live in entry block. Refined cases where frame pointer is needed.
852 Changed location of flags.
853 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
854 (df_set_state): Removed function.
855 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
856 df_insn_create_insn_record, df_insn_refs_delete,
857 df_ref_create_structure): Formatting changes.
858 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
859 df_delete_basic_block): New function.
860 (df_init): Changed location of flags.
861 (df_add_problem): Added flags parameter and the way flags are
863 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
864 debug_df_chain): Improved debugging output.
865 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
866 (df_refs_chain_dump): Removed df parameter.
867 (df_iterative_dataflow): Added consistency check.
868 (df_prune_to_subcfg): Made public.
869 (df_analyze_problem): Added blocks_to_init parameter and made
871 (df_ref_record, df_bb_refs_record, df_mark_reg,
872 df_record_exit_block_uses): Whitespace changes.
873 (df_dump): Whitespace changes.
874 * df.h: Some reordering to remove forward references.
875 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
876 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
877 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
878 (dataflow.flags): New field.
879 (df.flag): Deleted field.
880 (df_alloc_function): Added additional bitmap parameter.
881 (df_dependent_problem_function): New type.
882 (df_problem.changeable_flags): New field.
883 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
884 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
885 (df_mw_hardreg): New struct.
886 (DF_INSN_UID_MWS): New macro.
887 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
889 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
890 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
891 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
892 (df_set_state): Removed function.
893 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
894 * df-problems.c (df_chain_dump): Removed df parameter.
895 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
896 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
898 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
899 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
900 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
901 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
902 DF_REF_MUST_CLOBBER cases.
903 (df_ru_bb_local_compute_process_def,
904 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
905 df_lr_bb_local_compute, df_ur_bb_local_compute,
906 df_chain_create_bb): Made subreg aware.
907 (df_ru_bb_local_compute, df_rd_bb_local_compute,
908 df_lr_bb_local_compute, df_lr_bb_local_compute,
909 df_chain_create_bb): Cleanup to use proper macros.
910 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
911 code to fixup bitvectors.
912 (df_ri_alloc): Cleared lifetime.
913 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
914 df_create_unused_note): New function.
915 (df_ri_bb_compute, df_ri_compute): Added code to create/update
916 REG_DEAD and REG_UNUSED notes as well as register information.
917 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
918 df_chains_dump): Fixed crash if problem was never run.
919 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
920 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
921 df_ri_add_problem): Processes flags in uniform manner.
922 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
923 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
924 df_rd_dump, df_urec_free_bb_info): Formatting changes.
925 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
926 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
927 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
928 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
929 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
930 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
931 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
932 * see.c (see_initialize_data): Ditto.
933 * final.c (rest_of_clean_state) Added regstack_completed.
934 * rtl.h (regstack_completed): Ditto.
935 * reg-stack.c (regstack_completed): Ditto.
937 2006-05-19 Mike Stump <mrs@apple.com>
939 * c-tree.h (default_conversion): Remove.
940 * c-common.h (default_conversion): Add.
942 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
944 * tree-vrp.c (valid_value_p): New function.
945 (adjust_range_with_scev): Fail if the value of bound is not
948 2006-05-19 Richard Sandiford <richard@codesourcery.com>
950 * config/mips/linux-unwind.h: Include <asm/unistd.h>
951 (mips_fallback_frame_state): Use syscall numbers to determine
952 the appropriate li instruction for the current ABI. Only use
953 __NR_sigreturn for o32.
955 2006-05-19 Nicolas Setton <setton@adacore.com>
957 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
958 * langhooks.c (lhd_dwarf_name): New function.
959 * langhooks-def.h (lhd_dwarf_name): Declare.
960 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
961 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
962 * ada/misc.c (gnat_dwarf_name): New function.
963 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
965 2006-05-19 Richard Sandiford <richard@codesourcery.com>
967 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
969 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
970 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
971 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
972 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
973 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
974 determine the size of Wtype, etc.
975 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
976 (swfloatfuncs): New variable.
977 (dwfloatfuncs): Likewise.
978 (lib2funcs): Remove floating-point conversion functions from
979 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
980 the set of conversion routines needed. Allow entries to specify
981 an object name, filename and word size. Update users accordingly.
982 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
983 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
987 2006-02-08 Roger Sayle <roger@eyesopen.com>
990 * config/fixtfdi.c: New libgcc source file.
991 * config/fixunstfdi.c: New source file.
992 * config/floatditf.c: New source file.
993 * config/floatunditf.c: New souce file.
994 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
995 files above instead of config/mips/_tilib.c.
996 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
998 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1000 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1001 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1003 2006-05-18 Mike Stump <mrs@apple.com>
1005 Fix up vla, vm and [*] sematics.
1011 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1012 (c_vla_unspec_p): Add.
1013 (c_vla_type_p): Add.
1014 * c-decl.c (struct c_scope): Add had_vla_unspec.
1015 (build_array_declarator): Add support for [*].
1016 (grokdeclarator): Likewise.
1017 (grokparms): Likewise.
1018 (get_parm_info): Likewise.
1019 * c-objc-common.c (c_vla_unspec_p): Likewise.
1020 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1021 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1022 typeof when argument is a variably modified type not inside sizeof or alignof.
1023 (c_parser_direct_declarator_inner): Propagate errors.
1024 (c_parser_sizeof_expression): Add support for [*].
1025 (c_parser_parms_declarator): Initialize had_vla_unspec.
1026 (c_parser_parms_list_declarator): Likewise.
1027 * c-typeck.c (c_vla_type_p): Add.
1028 (composite_type): Add support for vla compositing.
1029 (comptypes_internal): Add support for vla compatibility.
1030 (c_expr_sizeof_expr): Evaluate vla arguments.
1031 * tree.c (variably_modified_type_p): Update comment for [*].
1033 2006-05-18 Michael Matz <matz@suse.de>
1036 * config.host: Make assignments to host_xmake_file cumulative.
1037 * config.host (*-darwin*): Test $host, not $target.
1039 2006-05-12 Stuart Hastings <stuart@apple.com>
1041 * config/i386/i386.opt (-mstackrealign): New flag.
1042 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1043 (ix86_handle_cconv_attribute): Emit error when
1044 force_align_arg_pointer attribute collides with too many regparms.
1045 (ix86_function_regparm): Limit regparms when used with
1046 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1047 Support stack-realigning prologue in non-main functions. Emit
1048 warning for nested functions under -mstackrealign, emit error for
1049 nested functions with force_align_arg_pointer attribute.
1050 * doc/extend.texi (force_align_arg_pointer): Document it.
1051 * doc/invoke.texi (-mstackrealign): Document it.
1053 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1055 PR rtl-optimization/27477
1056 * combine.c (try_combine): Don't split a parallel consisting
1057 of two sets into two individual sets if both sets reference
1060 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1062 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1063 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1065 * doc/options.texi (VarExists): Updated.
1067 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1069 * unwind-dw2.c: Add declarations for uw_update_context and
1071 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1072 detected, advance frame state and context once to skip over stub.
1074 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1078 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1079 Call rewrite_into_loop_closed_ssa only when something changed.
1080 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1081 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1082 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1083 Test for perfect_nest_p here. Fix formating.
1084 (replace_uses_equiv_to_x_with_y): Fix formating.
1085 (stmt_uses_op): Removed.
1086 (can_convert_to_perfect_nest): Removed loopivs parameter.
1087 Complete the test by checking the scalar dependences.
1088 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1091 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1094 From Dan Kegel <dank@kegel.com>:
1095 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1097 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1099 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1100 if the element type is variably modified without recursing.
1102 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1105 * tree-loop-linear.c (try_interchange_loops): Test for
1106 no data dependences.
1108 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1110 PR tree-optimization/27548
1111 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1112 range of ssa names that appear on abnormal edges.
1113 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1114 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1116 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1119 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1121 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1124 * tree.h (OMP_PARALLEL_COMBINED): Define.
1125 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1126 (new_omp_context): Add is_combined_parallel argument.
1127 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1128 new_omp_context caller.
1129 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1130 Adjust gimplify_scan_omp_clauses callers.
1131 (omp_is_private): Issue errors if iteration variable is firstprivate
1132 or reduction in the current context.
1133 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1134 on combined parallel workshare constructs.
1136 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1138 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1139 (gcc-options.o): New rule.
1141 * optc-gen.awk: Protect variables for gcc-options.o with
1142 #ifdef GCC_DRIVER/#endif.
1144 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1146 Fix PR tree-optimization/27373
1147 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1148 (forward_propagate_addr_expr): Update call.
1150 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1152 * doc/options.texi: Move the Negative option.
1154 2006-05-16 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/22303
1157 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1159 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1160 ccp_fold did not simplify the statement.
1162 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1165 * Makefile.in (GCC_OBJS): New.
1166 (OBJS-common): Add opts-common.o.
1167 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1168 (cpp$(exeext)): Likewise.
1169 (gcc.o): Also depend on opts.h.
1170 (opts-common.o): New.
1172 * common.opt (gcoff): Add Negative(gdwarf-2).
1173 (gdwarf-2): Add Negative(gstabs).
1174 (gstabs): Add Negative(gstabs+).
1175 (gstabs+): Add Negative(gvms).
1176 (gvms): Add Negative(gxcoff).
1177 (gxcoff): Add Negative(gxcoff+).
1178 (gxcoff+): Add Negative(gcoff).
1179 * config/i386/i386.opt (m32): Add Negative(m64).
1180 (m64): Add Negative(m32).
1182 * doc/options.texi: Document the Negative option.
1184 * gcc.c: Include "opts.h".
1185 (main): Call prune_options after expandargv.
1187 * optc-gen.awk: Generate common declarations for all flag
1188 variables in options.c. Output the neg_index field.
1190 * opts.c (find_opt): Moved to ...
1191 * opts-common.c: Here. New file.
1193 * opts.h (cl_option): Add a neg_index field.
1195 (prune_options): Likewise.
1197 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1200 * omp-low.c (expand_omp_parallel): Don't assert
1201 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1202 instead search for it.
1205 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1208 2006-05-16 Andreas Schwab <schwab@suse.de>
1210 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1213 2006-05-15 Roger Sayle <roger@eyesopen.com>
1216 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1217 integer constants other than zero are only legitimate on TARGET_64BIT.
1218 <CONST_VECTOR> Only zero vectors are legitimate.
1219 (ix86_cannot_force_const_mem): Integral and vector constants can
1220 always be put in the constant pool.
1222 2006-05-16 DJ Delorie <dj@redhat.com>
1224 * crtstuff.c (__dso_handle): Set section from
1225 TARGET_LBIGCC_SDATA_SECTION if defined.
1226 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1227 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1229 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1232 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1235 2006-05-16 Ben Elliston <bje@au.ibm.com>
1237 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1239 2006-05-15 Per Bothner <per@bothner.com>
1241 * tree.c: (last_annotated_node): Use source_locus typedef.
1242 This permits bootstrapping with --enable-mapped-location.
1244 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1246 PR tree-optimization/26830
1247 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1248 (info_for_ssa_name, current_info_for_ssa_name_age,
1249 blocks_to_update): New variables.
1250 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1251 (clear_ssa_name_info, initialize_flags_in_bb,
1252 mark_block_for_update): New functions.
1253 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1254 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1255 prepare_def_site_for): Use mark_block_for_update.
1256 (mark_def_interesting): Assert that the processed block is marked in
1257 blocks_to_update. Do not take blocks argument.
1258 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1260 (rewrite_update_init_block, rewrite_update_stmt): Only process
1261 blocks with statements to rewrite.
1262 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1263 (update_ssa): Initialize and free blocks_to_update. Do not
1264 clear flags on statements. Do not use blocks bitmap.
1265 * tree.h (SSA_NAME_AUX): Removed.
1266 (struct tree_ssa_name): Removed aux field.
1267 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1269 2006-05-15 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/27603
1272 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1273 Do computations in original type.
1275 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1277 * see.c: Code style changes such as redundant paranthesis,
1278 redundant intialization of local variables etc.
1279 (see_main): Declared now as static.
1280 * doc/invoke.texi: Update that -fsee is not enabled by
1283 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1285 * omp-low.c (check_omp_nesting_restrictions): New function.
1286 (scan_omp_1): Call it.
1289 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1290 construct, return *VAR.
1292 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1294 PR rtl-optimization/27406
1295 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1298 2006-05-14 Roger Sayle <roger@eyesopen.com>
1300 PR rtl-optimization/27538
1301 * combine.c (expand_compound_operation): Call gen_lowpart
1302 before calling simplify_shift_const.
1304 2006-05-14 Roger Sayle <roger@eyesopen.com>
1306 PR rtl-optimization/22563
1307 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1308 a fixed width bitfield, always force the intermediates into psuedos.
1310 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1313 * mkconfig.sh: Use operator = instead of == for test.
1315 2006-05-13 Nick Clifton <nickc@redhat.com>
1317 * dwarf2out.c (dbx_reg_number): Check return value from
1318 LEAF_REG_REMAP and only use it if it is valid.
1319 (multiple_reg_loc_descriptor): Likewise.
1321 2006-05-13 Richard Guenther <rguenther@suse.de>
1323 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1326 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1328 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1329 information attached to non-INSNs such as NOTEs.
1330 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1332 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1334 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1336 * config/s390/s390.md: Adjust comment describing On constraint.
1338 2006-05-11 Jan Hubicka <jh@suse.cz>
1340 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1341 to be output at -O0.
1343 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1346 * fold-const.c (size_binop): Move sanity check for arguments to
1347 the beginning of the function.
1350 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1353 2006-05-11 Richard Guenther <rguenther@suse.de>
1356 * fold-const.c (fold_unary): Handle intermediate conversion
1357 to a pointer type like intermediate conversion to an integer
1358 type in folding of (T1)(T2)var to var.
1359 Match the code to the comment in the final conversion for
1360 (T1)(T2)var to (T1)var regarding to type precision. Rather
1361 than disallow T1 being of pointer type, assert that both T1
1362 and var are of pointer type or not. Make sure not to fall
1363 over the frontends lazyness wrt array to pointer decay though.
1365 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1367 * arm.c (arm_struct_value_rtx): Delete.
1368 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1369 (arm_init_cumulative_args): Always initialize nregs to zero.
1371 2006-05-10 Richard Guenther <rguenther@suse.de>
1373 PR tree-optimization/27532
1374 * tree-object-size.c (plus_expr_object_size): Fix typo.
1376 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1379 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1380 ashrdi_const, ashrdi3): Use a scratch register.
1382 2006-05-10 Richard Guenther <rguenther@suse.de>
1384 PR tree-optimization/27302
1385 * fold-const.c (operand_equal_p): For two comparisons,
1386 try comparison of one comparison code swapped if that yields
1389 2006-05-10 Ben Elliston <bje@au.ibm.com>
1391 * tree-pretty-print.c (pretty_print_string): No need to handle
1392 '\0' as a special character.
1394 * tree.h: Include "hashtab.h".
1395 (iterative_hash_expr): Use hashval_t in its prototype.
1396 * Makefile.in (TREE_H): Add $(HASHTAB_H).
1398 2006-05-09 Steve Ellcey <sje@cup.hp.com>
1401 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
1402 (hppa*64*-*-hpux11*): Ditto.
1403 (hppa[12]*-*-hpux11*): Ditto.
1405 2006-05-09 David Edelsohn <edelsohn@gnu.org>
1408 * config/rs6000/aix41.h (TARGET_64BIT): Define.
1410 2006-05-09 Michael Matz <matz@suse.de>
1412 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
1413 host_extra_gcc_objs and host_xmake_file.
1414 (<*-*-linux*>): Don't overwrite host_xmake_file.
1415 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
1416 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
1417 (host_detect_local_cpu): Declare.
1418 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
1419 * config/i386/i386.c (override_options): Handle -mtune=native
1421 * config/i386/x-i386: New file.
1422 * config/i386/driver-i386.c: New file.
1423 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
1426 2006-05-09 Dirk Mueller <dmueller@suse.de>
1427 Richard Guenther <rguenther@suse.de>
1430 * fold-const.c (fold_read_from_constant_string): Relax check
1431 for matching types to matching modes.
1433 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
1435 PR rtl-optimization/27335
1436 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
1439 2006-05-08 Chao-ying Fu <fu@mips.com>
1440 Richard Sandiford <richard@codesourcery.com>
1442 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
1443 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
1444 * config/mips/mips.md (UNSPEC_SCC): New constant.
1445 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
1446 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
1447 (mips_emit_compare): Use it.
1448 (mips_expand_vcondv2sf): New function.
1450 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
1452 Fix PR tree-optimization/27093
1453 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
1454 renaming when they become not-used_alone.
1456 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1458 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
1459 relocation and relocation stubs.
1461 2006-05-08 Eric Christopher <echristo@apple.com>
1463 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
1466 2006-05-08 Jan Hubicka <jh@suse.cz>
1469 * cgraphunit.c (decide_is_function_needed): When not optimizing even
1470 unused static functions are needed.
1472 2006-05-08 Roger Sayle <roger@eyesopen.com>
1475 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
1476 of a reg_equiv_constant if the result is a legitimate constant.
1478 2006-05-08 Uros Bizjak <uros@kss-loka.si>
1481 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
1482 standard 80387 constants, raise the cost to prevent
1483 compress_float_constant() to generate load from memory.
1485 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1487 * config/arm/constraints.md (c): Fix a typo.
1489 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1492 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1495 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1497 (_mm_mwait): Likewise.
1499 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1501 (sse3_monitor): Make it 32bit only.
1502 (sse3_monitor64): New. 64bit monitor.
1504 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1507 * config/i386/i386.c (classify_argument): Skip fields with invalid
1510 2006-05-07 Richard Guenther <rguenther@suse.de>
1512 PR tree-optimization/27409
1513 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1514 Do not try to find zero-sized subvars.
1516 2006-05-07 Richard Guenther <rguenther@suse.de>
1518 PR tree-optimization/27136
1519 * tree-ssa-loop-niter.c (get_val_for): Correct function
1520 comment, assert requirements.
1521 (loop_niter_by_eval): Stop processing if the iterated
1522 value did not simplify.
1524 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1526 * opts.c (flag_see): remove its setting at -O3.
1528 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1530 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1531 * arm/constraints.md: New file.
1532 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1533 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1534 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1535 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1536 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1537 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1538 * arm.md: Include constraints.md.
1539 (thumb_movsi_insn): Use satisfies_constraint_J.
1540 (movhi, movqi): Use satisfies_constraint_I.
1542 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1544 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1545 for atmeg a645 device.
1547 2006-05-06 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/27151
1550 * tree-vect-transform.c (vectorizable_condition): Punt on
1551 values that have a different type than the condition.
1553 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1556 * c-parser.c (c_parser_cast_expression): Only insert casts into
1557 hash table if pointer.
1558 * function.c (used_types_insert_helper): Rename from
1560 (used_types_insert): Call used_types_insert_helper.
1561 * function.h (used_types_insert): Accept only one argument.
1563 2006-05-05 David Edelsohn <edesohn@gnu.org>
1565 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1566 scratch with output modifier.
1568 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1571 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1572 with output modifier.
1574 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1577 * config/mips/mips.c (mips_symbolic_address_p): Return true
1578 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1579 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1581 2006-05-04 Richard Guenther <rguenther@suse.de>
1583 PR tree-optimization/14287
1584 PR tree-optimization/14844
1585 PR tree-optimization/19792
1586 PR tree-optimization/21608
1587 PR tree-optimization/27090
1588 * tree-ssa-pre.c (try_combine_conversion): New function.
1589 (compute_avail): After constructing the value-handle
1590 expression, use try_combine_conversion to combine NOP_EXPRs
1591 with previous value-handle expressions and use the result if it
1594 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1596 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1598 2006-05-04 Jan Hubicka <jh@suse.cz>
1601 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1603 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1605 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1606 that this only matches CONST_INTs. All users changed to VOIDmode
1609 * config/bfin/bfin.c: Include "optabs.h".
1610 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1612 (enum bfin_builtins): Add a number of fractional and vector builtins.
1613 (bfin_init_builtins): Likewise.
1614 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1615 (safe_vector_operand, bfin_expand_binop_builtin,
1616 bfin_expand_unop_builtin): New functions.
1617 (bfin_expand_builtin): Handle the new builtins.
1618 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1621 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1624 * Makefile.in (OBJS-common): Add see.o.
1625 (see.o): Add dependencies.
1626 * common.opt (fsee): New flag for the see optimization was added.
1627 * opts.c (flag_see): Initialized.
1628 * passes.c (init_optimization_passes, pass_see): New pass.
1629 * rtl.h (see_main): Declaration as extern.
1630 * timevar.def (TV_SEE): New.
1631 * tree-pass.h (pass_see): Declaration as extern.
1632 * invoke.texi (-fsee): Document.
1633 * recog.c (validate_simplify_insn): New function.
1634 * recog.h (validate_simplify_insn): Declaration as extern.
1635 * df-problems.c (df_chain_dump): Check for NULL.
1637 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1638 Daniel Berlin <dberlin@dberlin.org>
1640 * cfgrtl.c (insert_insn_bb_end_new): New function.
1641 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1643 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1645 * df.h (struct web_entry): Moved from web.c.
1646 (union_defs): Declaration as extern.
1647 (unionfind_root): Likewise.
1648 (unionfind_union): Likewise.
1649 * web.c (struct web_entry): Moved to df.h.
1650 (unionfind_root): Remove static declaration.
1651 (unionfind_union): Likewise.
1652 (union_defs): Likewise and generalize to use callback function.
1653 (web_main): Update arguments for union_defs function call.
1655 2006-05-04 Richard Guenther <rguenther@suse.de>
1657 PR tree-optimization/26447
1658 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1659 produce SSA_NAME copies before the store stmt to avoid
1660 breaking exception handling.
1662 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1665 * gimplify.c (omp_is_private): If var is shared in some outer context,
1666 return false instead of true. Stop searching on parallel context
1669 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1672 * coverage.c: Use get_gcov_unsigned_t() instead of
1673 unsigned_type_node all over.
1675 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1677 PR tree-optimization/27381
1678 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1679 maintain the same immediate_use links.
1680 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1681 node rather than segfaulting.
1683 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1686 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1687 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1688 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1690 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1692 Fix PR tree-optimization/26626
1693 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1695 * tree-ssa-operands.c (access_can_touch_variable): Allow
1696 typecasting through union pointers.
1698 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1701 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1702 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1703 to find if var will be a global variable even in the nested context.
1704 (omp_copy_decl): Only check for global variable at the end, it might
1705 be overridden in outer contexts.
1706 (scan_sharing_clauses): For global variables don't create a field.
1707 (lower_rec_input_clauses): Do nothing for global shared variables.
1708 Emit a barrier at the end of ILIST if there were any decls in both
1709 firstprivate and lastprivate clauses.
1710 (lower_send_clauses): Do nothing for global variables except for
1713 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1715 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1716 of the correct signedness is returned.
1718 2006-05-02 Jeff Law <law@redhat.com>
1720 PR tree-optimization/27364
1721 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1722 multiply expressions.
1724 2006-05-02 Tom Tromey <tromey@redhat.com>
1726 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1728 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1731 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1732 -mthumb -fPIC are used.
1734 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1735 Joshua Kinard <kumba@gentoo.org>
1738 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1739 with 64-bit pointers.
1741 2006-05-02 Paul Brook <paul@codesourcery.com>
1743 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1745 (create_fix_barrier): Check that a suitable barrier location is
1747 (arm_reorg): Include ftmp->address in allowable range of addresses.
1749 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1752 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1755 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1758 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1759 around RESULT_DECL for result passed by reference.
1760 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1761 * omp-low.c (use_pointer_for_field): Don't look at
1762 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1763 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1764 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1765 time or var for passing by reference for
1766 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1767 TREE_ADDRESSABLE variables when passing by reference.
1769 * omp-low.c (dump_omp_region): Fix output formatting.
1772 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1773 (expand_omp_parallel): Likewise.
1774 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1777 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1778 on statement list containing also constructors and destructors.
1779 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1782 * except.c (duplicate_eh_regions): Fix clearing of
1783 cfun->eh->region_array entries.
1785 2006-05-01 DJ Delorie <dj@redhat.com>
1787 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1789 (gcc_cv_objdump): Likewise.
1790 * configure: Regenerated.
1792 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1795 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1796 templates for case 3 and 4.
1798 2006-05-01 DJ Delorie <dj@redhat.com>
1800 * vec.c: Include bconfig.h when appropriate.
1801 * Makefile.in (build/vec.o): Adjust dependencies.
1802 * mkconfig.sh: Make sure config.h isn't used for build machine
1805 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1807 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1809 (mark_phi_for_rewrite): New function.
1810 (insert_phi_nodes_for, mark_use_interesting): Call
1811 mark_phi_for_rewrite.
1812 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1813 (update_ssa): Initialize and free phis_to_rewrite.
1815 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1817 PR rtl-optimization/27291
1818 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1819 folded to a constant.
1821 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1823 PR tree-optimization/27283
1824 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1825 not whole # of iteration descriptions.
1826 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1827 uses abnormal ssa name.
1828 (niter_for_single_dom_exit): Ditto.
1829 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1830 return just the number of iterations.
1832 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1834 PR tree-optimization/27144
1835 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1836 (record_estimate): Only record constant upper bound.
1837 (infer_loop_bounds_from_undefined): Call
1838 compute_estimated_nb_iterations just once.
1839 (proved_non_wrapping_p): Renamed to ...
1840 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1841 (convert_step_widening, scev_probably_wraps_p): Call
1842 n_of_executions_at_most instead of proved_non_wrapping_p.
1843 (substitute_in_loop_info): Do not replace values in bounds.
1844 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1847 2006-05-01 Richard Henderson <rth@redhat.com>
1850 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1851 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1854 2006-05-01 Roger Sayle <roger@eyesopen.com>
1856 * c-typeck.c (parser_build_binary_op): Don't call the function
1857 unsigned_conversion_warning to spot operand/result type overflow.
1858 (build_binary_op): Instead, call convert_and_check instead of
1859 convert to report the problem when the operands are promoted.
1860 * c-common.c (unsigned_conversion_warning): Make static.
1861 * c-common.h (unsigned_conversion_warning): Delete prototype.
1863 2006-05-01 Richard Guenther <rguenther@suse.de>
1865 PR tree-optimization/26726
1866 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1868 (find_interesting_uses_address): ... we work around here
1869 by folding INDIRECT_REFs in the substituted base.
1871 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1873 * omp-low.c (dump_omp_region): Add newlines.
1875 2006-04-30 Roger Sayle <roger@eyesopen.com>
1877 * common.opt (Woverflow): New command line option.
1878 * c-common.c (constant_expression_warning): Check warn_overflow.
1879 (overflow_waring): Pass OPT_Woverflow to warning.
1880 (unsigned_conversion_warning): Likewise.
1881 (convert_and_check): Likewise.
1882 * doc/invoke.texi: Document new command line option.
1884 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1886 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1887 TARGET_NO_FP_IN_TOC for section anchors.
1888 (optimization_options): Enable section anchors for all
1889 non-"Objective" languages.
1891 2006-04-28 Eric Christopher <echristo@apple.com>
1893 * config/darwin-c.c (darwin_ms_struct): Move this
1894 (darwin_set_default_type_attributes): and this...
1895 * config/darwin.c: ... here.
1896 * config/darwin.h (darwin_ms_struct): Declare.
1898 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1900 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1902 2006-04-28 Roger Sayle <roger@eyesopen.com>
1905 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1906 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1907 an unsigned HOST_WIDE_INT.
1908 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1910 (really_start_incremental_init): No need to call convert because
1911 bitsize_zero_node is already of type bitsizetype.
1912 (push_init_level): Extract the value of constructor_index as an
1913 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1914 (process_init_element): Likewise.
1916 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1918 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1919 value before passing to make_relative_prefix.
1921 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1924 * builtins.c (expand_builtin_memset): Expand val in original mode.
1926 2006-04-27 Eric Christopher <echristo@apple.com>
1928 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1929 with #ifndef/#endif.
1930 * config/darwin-c.c (darwin_ms_struct): New.
1931 (darwin_pragma_ms_struct): Ditto.
1932 (darwin_set_default_type_attributes): Ditto.
1933 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1934 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1935 Register ms_struct pragma.
1936 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1937 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1938 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1939 darwin_set_default_type_attributes if TARGET_MACHO.
1941 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1943 PR tree-optimization/26854
1944 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1945 * doc/tree-ssa.texi: Update immuse iterator documentation.
1946 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1947 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1948 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1949 first_safe_imm_use, next_safe_imm_use): Remove.
1950 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1951 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1952 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1953 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1954 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1955 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1956 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1957 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1958 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1959 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1960 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1961 (perfect_nestify): Use new iterator.
1962 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1964 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1965 (next_imm_name): New field in struct immediate_use_iterator_d.
1966 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1967 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1968 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1969 * tree-cfg.c (replace_uses_by): Use new iterator.
1970 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1971 * tree-ssa-operands.c (correct_use_link): Remove.
1972 (finalize_ssa_use_ops): No longer call correct_use_link.
1974 2006-04-27 Stuart Hastings <stuart@apple.com>
1976 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1977 * config/t-darwin (crt3.o): Use it.
1978 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1979 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1980 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1981 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1982 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1985 2006-04-27 Roger Sayle <roger@eyesopen.com>
1987 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1988 size, force the intermediate into a new pseudo rather instead of
1989 performing both a bitwise AND and a bitwise IOR in memory.
1991 2006-04-27 Richard Guenther <rguenther@suse.de>
1993 PR rtl-optimization/26685
1994 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1995 this one "max-flow-memory-locations".
1997 2006-04-27 Richard Guenther <rguenther@suse.de>
1999 PR tree-optimization/25148
2000 * tree-vrp.c (compare_values): Remove code dealing with
2001 comparisons against type min/max value. Honour overflow
2002 and negative constants in code dealing with comparisons
2003 of plus and minus expressions.
2004 (value_inside_range): Use fold_binary with LE_EXPR and
2005 GE_EXPR rather than compare_values.
2007 2006-04-27 Dirk Mueller <dmueller@suse.de>
2009 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2012 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2014 * basic-block.h (safe_insert_insn_on_edge): Removed.
2015 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2017 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2018 Paolo Bonzini <bonzini@gnu.org>
2021 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2022 (simplify_and_const_int): Same.
2024 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2026 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2028 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2031 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2032 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2033 cgraph_global_info_ready.
2036 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2039 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2040 either decl or init is error_mark_node.
2043 * tree-flow.h (struct omp_region): Add sched_kind.
2044 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2045 instead of extracting omp for data.
2046 (expand_omp_for): Save extracted sched_kind.
2048 2006-04-25 Roger Sayle <roger@eyesopen.com>
2050 * expmed.c (store_bit_field): Also check whether the bitsize is
2051 valid for the machine's "insv" instruction before moving the
2052 target into a pseudo for use with the insv.
2053 * config/i386/predicates.md (const8_operand): New predicate.
2054 * config/i386/i386.md (extv, extzv, insv): Use the new
2055 const8_operand predicate where appropriate.
2057 2006-04-25 DJ Delorie <dj@redhat.com>
2059 * doc/install.texi (Specific): Clarify that this is not a list of
2060 supported hosts or targets.
2062 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2064 PR rtl-optimization/26725
2065 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2066 block's BB_DIRTY flag.
2068 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2070 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2073 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2074 to print an integer.
2076 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2078 * varasm.c (align_variable): New function.
2079 (get_block_for_decl): Apply align_variable to DECL before
2080 calculating section information.
2081 (assemble_variable): Split out alignment computation.
2083 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2085 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2088 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2090 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2091 MODE_PARTIAL_INT mode.
2092 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2093 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2095 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2096 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2098 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2100 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2102 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2103 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2104 MACFLAG_IH): Likewise.
2105 (movstricthi_1): Renamed from "*movstricthi".
2106 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2107 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2108 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2109 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2110 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2111 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2112 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2113 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2114 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2115 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2116 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2117 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2118 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2119 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2120 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2122 * doc/rtl.texi (ss_ashift): Improve wording.
2124 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2126 * dwarf2out.c (verify_marks_clear): New.
2127 (prune_unused_types): Call verify_marks_clear initially, not
2130 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2132 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2133 * doc/rtl.texi: Document them.
2134 * simplify-rtx.c (simplify_unary_operation,
2135 simplify_binary_operation_1): Don't abort when we see them.
2137 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2140 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2141 * configure.ac: Completely disregard languages that are not
2143 * configure: Regenerated.
2145 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2146 Richard Guenther <rguenther@suse.de>
2148 PR tree-optimization/27236
2149 * tree-inline.c (copy_body_r): Make sure to copy
2150 TREE_THIS_VOLATILE flag.
2152 2006-04-24 Richard Guenther <rguenther@suse.de>
2155 * tree-complex.c (update_parameter_components): Don't handle
2156 unused parameters which have no default def.
2158 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2159 Richard Guenther <rguenther@suse.de>
2161 PR tree-optimization/27218
2162 * tree-inline.c (expand_call_inline): Strip useless type
2163 conversions for the return slot address.
2165 2006-04-24 Richard Guenther <rguenther@suse.de>
2167 * cfgloop.h (struct loops): Remove unused field array. Reorder
2169 (LOOP_PREFETCH): Remove.
2171 2006-04-24 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/22525
2174 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2175 variable, adjust types of generated expressions.
2177 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2179 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2180 (tree-vect-patterns.o): Likewise.
2182 (cselib.o): Likewise.
2183 (loop-doloop.o): Likewise.
2184 (regclass.o): Likewise.
2185 (reload1.o): Likewise.
2186 (explow.o): Replace target.h with $(TARGET_H).
2187 (ipa-prop.o): Likewise.
2188 (ipa-cp.o): Likewise.
2189 (ipa-inline.o): Likewise.
2190 (reorg.o): Likewise.
2191 (reg-stack.o): Likewise.
2193 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2195 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2197 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2199 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2201 * configure.ac: Completely disregard languages that are not
2203 * configure: Regenerated.
2206 * c-common.h (c_build_bitfield_integer_type): Declare.
2207 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2208 * c-common.c (c_build_bitfield_integer_type): ... here.
2210 2006-04-23 Roger Sayle <roger@eyesopen.com>
2213 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2214 a SImode SUBREG of a floating point register after no_new_pseudos.
2216 2006-04-23 Roger Sayle <roger@eyesopen.com>
2218 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2219 identify potentially eliminable registers to additionally catch
2220 VIRTUAL_INCOMING_ARGS_REGNUM.
2221 (addsi3): Update the conditions on when to use addsi_small_int.
2223 2006-04-23 Roger Sayle <roger@eyesopen.com>
2226 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2227 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2228 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2230 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2232 * fold-const.c (range_predecessor): Use operand_equal_p
2233 as the predicate for equality.
2234 (range_successor): Likewise.
2236 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2239 * config/soft-fp/op-common.h: Fix a typo.
2241 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2244 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2245 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2247 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2249 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2251 * doc/tm.texi: Fix a typo.
2253 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2255 * dwarf2out.c (struct die_struct): Document that die_sib makes
2256 a circular linked list.
2257 (FOR_EACH_CHILD): New.
2258 (reverse_die_lists): Delete.
2259 (reverse_all_dies): Delete.
2260 (add_dwarf_attr): Correct documentation.
2261 (remove_child_with_prev): New.
2262 (remove_child_TAG): Update for change to die_struct, use
2263 remove_child_with_prev.
2264 (add_child_die): Update for change to die_struct.
2265 (splice_child_die): Use remove_child_with_prev and add_child_die.
2266 (print_die): Use FOR_EACH_CHILD.
2267 (die_checksum): Likewise.
2268 (assign_symbol_names): Likewise.
2269 (output_location_lists): Likewise.
2270 (build_abbrev_table): Likewise.
2271 (calc_die_sizes): Likewise.
2272 (mark_dies): Likewise.
2273 (unmark_dies): Likewise.
2274 (unmark_all_dies): Likewise.
2275 (output_die): Likewise.
2276 (prune_unused_types_mark): Likewise.
2277 (prune_unused_types_walk): Likewise.
2278 (same_die_p): Update for change to die_struct.
2279 (break_out_includes): Likewise.
2280 (prune_unused_types_prune): Likewise.
2281 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2282 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2284 (dwarf2out_finish): Don't call reverse_all_dies.
2286 2006-04-21 Eric Christopher <echristo@apple.com>
2288 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2289 in comments and function names.
2291 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2294 * c-typeck.c (digest_init): Robustify.
2296 * c-typeck.c (pop_init_level): Simplify.
2298 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2300 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2302 2006-04-21 Paul Brook <paul@codesourcery.com>
2304 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2305 hardware floating point.
2307 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2309 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2312 2006-04-21 Nick Clifton <nickc@redhat.com>
2314 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2317 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2320 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2321 C++ lang type in traceback table for Objective-C++.
2323 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2325 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2327 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2329 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2332 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2333 were errors. Remove check for erroneous objects.
2335 2006-04-20 Jeff Law <law@redhat.com>
2337 PR tree-optimization/26854
2338 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2339 checking for zero or one use.
2340 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2341 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2342 * tree-ssa-reassoc.c (negate_value): Similarly.
2343 (reassociate_bb): Similarly.
2345 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2347 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2348 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2349 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2351 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2353 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2354 fp regs if the last fp arg doesn't fit in regs.
2356 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2359 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2360 that the last insn has the REG_INC note.
2362 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2363 Nathan Sidwell <nathan@codesourcery.com>
2366 * stor-layout.c (update_alignment_for_field): Do not align
2368 (place_union_field): Place union field at the start of the union.
2369 (place_field): Move ERROR_MARK check later, and use the current
2370 allocation position to maintain monotonicity.
2372 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2374 * dominance.c: Include timevar.h.
2375 (calculate_dominance_info): Use TV_DOMINANCE.
2376 * timevar.def (TV_DOMINANCE): New timevar.
2377 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2379 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2381 PR rtl-optimization/14261
2382 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2383 move would be an INSV insn.
2384 (noce_process_if_block): Don't optimize if the destination is a
2385 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2387 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2389 * config/s390/s390.md: Add comments with the instructions emitted
2390 by an insn pattern if macros are used.
2392 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2394 PR rtl-optimization/26026
2395 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2396 is a known power of two shifted left a variable amount.
2398 2006-04-18 Geoffrey Keating <geoffk@apple.com>
2400 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
2401 to hash table twice when the debug_str section has SECTION_MERGE.
2403 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
2405 * config/soft-fp: New directory. From glibc.
2406 * config/soft-fp/t-softfp: New.
2407 * config/soft-fp/README: New.
2408 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
2409 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
2410 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
2411 (LIBGCC_DEPS): Add $(SFP_MACHINE).
2412 * config.gcc: Use rs6000/t-fprules-fpbit or
2413 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
2415 * config/rs6000/sfp-machine.h: New. Based on glibc.
2416 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
2418 * config/rs6000/t-fprules: Remove fp-bit rules.
2419 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
2420 * config/rs6000/t-linux64: Likewise. Remove duplicates from
2421 LIB2FUNCS_EXTRA. Remove fp-bit rules.
2422 (softfp_wrap_start, softfp_wrap_end): New.
2424 2006-04-18 DJ Delorie <dj@redhat.com>
2426 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
2428 2006-04-18 Devang Patel <dpatel@apple.com>
2430 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
2432 2006-04-18 Nick Clifton <nickc@redhat.com>
2434 * config/sh/t-symbian: Add rule to build sh-c.o
2435 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
2436 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
2437 (sh_symbian_encode_section_info): Likewise.
2439 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
2441 * builtins.c (expand_builtin_strcmp): Cover label definition of
2442 do_libcall with HAVE_cmpstrnsi.
2444 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
2446 * function.c (temp_slots_at_level, max_slot_level): Use VEC
2448 * function.h (temp_slot_p): New.
2449 (function): Change the type of x_used_temp_slots to
2450 VEC(temp_slot_p,gc) *.
2452 2006-04-18 Nick Clifton <nickc@redhat.com>
2454 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
2455 flag_strength_reduce.
2457 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
2459 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2463 Partial revert of revision 112637
2464 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2465 Dale Johannesen <dalej@apple.com>
2468 * regclass.c (struct reg_pref): Update documentation.
2469 (regclass): Set prefclass to NO_REGS if memory is the best option.
2470 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2472 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
2474 PR tree-optimization/26821
2475 * tree-ssa-math-opts.c (get_constant_one): New.
2476 (insert_reciprocals): Use it.
2478 2006-04-17 Geoffrey Keating <geoffk@apple.com>
2480 * dwarf2out.c (free_AT): Delete.
2481 (remove_AT): Update string ref counts.
2482 (remove_child_TAG): Don't call free_die.
2484 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
2485 or DW_TAG_GNU_EINCL.
2486 (prune_unused_types_walk_attribs): Reset string refcounts.
2487 (prune_unused_types_update_strings): New.
2488 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2489 call free_die. Do call prune_unused_types_update_strings.
2490 (prune_unused_types): Empty debug_str_hash.
2492 2006-04-17 Roger Sayle <roger@eyesopen.com>
2494 * expr.c (expand_assignment): Optimize away no-op moves where the
2495 source and destination are equal and have no side-effects.
2497 2006-04-17 Richard Guenther <rguenther@suse.de>
2500 * reload.c (push_reload): Guard calls to get_secondary_mem
2503 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2505 * alias.c (reg_base_value, old_reg_base_value): Change the
2506 type to VEC(rtx,gc) *.
2507 (REG_BASE_VALUE, find_base_value, record_set,
2508 init_alias_analysis): Use VEC instead of VARRAY.
2510 * alias.c (alias_sets): Change the type to
2511 VEC(alias_set_entry,gc) *.
2512 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2513 VEC instead of VARRAY.
2514 (last_alias_set): Remove.
2516 * cgraph.h (cgraph_edge_p): New.
2517 Update the prototype of cgraph_function_versioning.
2518 * cgraphunit.c (cgraph_copy_node_for_versioning,
2519 cgraph_function_versioning): Use VEC instead of VARRAY.
2520 * ipa-cp.c (ipcp_insert_stage): Likewise.
2522 2006-04-16 Roger Sayle <roger@eyesopen.com>
2525 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2526 "A op B" or "A op C", we may need to convert A to the type of B and C.
2528 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2530 * target.h (struct gcc_target): Add mode_rep_extended.
2531 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2532 (init_num_sign_bit_copies_in_rep): Initialize it using
2534 (truncate_to_mode): Use it.
2535 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2536 * targhooks.h (default_mode_rep_extended): Declare it.
2537 * targhooks.c (default_mode_rep_extended): Define it.
2538 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2539 default_mode_rep_extended.
2540 (TARGET_INITIALIZER): Include it.
2541 * doc/tm.texi (Misc): Document it.
2542 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2543 (mips_truncated_to_mode): New function.
2545 2006-04-16 Roger Sayle <roger@eyesopen.com>
2548 * expr.c (compress_float_constant): Copy the narrow constant into
2549 a new pseudo before extending it to its final width.
2551 2006-04-16 Roger Sayle <roger@eyesopen.com>
2552 Andrew Pinski <pinskia@gcc.gnu.org>
2553 Dale Johannesen <dalej@apple.com>
2556 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2557 special case code to implement V8HImode and V16QImode with SSE2.
2559 2006-04-15 Roger Sayle <roger@eyesopen.com>
2561 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2562 trees are constructed with a suitable tree type.
2564 2006-04-15 Roger Sayle <roger@eyesopen.com>
2566 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2567 (integer_onep): Likewise.
2568 (integer_all_onesp): Likewise.
2569 (integer_pow2p): Likewise.
2570 (integer_nonzerop): Likewise.
2571 (real_zerop): Likewise.
2572 (real_onep): Likewise.
2573 (real_twop): Likewise.
2574 (real_minus_onep): Likewise.
2575 (int_size_in_bytes): Likewise.
2576 (host_integerp): Likewise.
2578 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2580 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2581 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2582 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2584 * tree-ssa-structalias.h (alias_info): Remove num_references.
2586 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2588 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2589 (output_bvb patterns): Likewise.
2590 * pa.c (output_bb): Use 'bb' insn for long branch case.
2591 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2592 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2593 1. Correct length operand for alternatives 1 and 2.
2594 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2595 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2597 2006-04-14 Roger Sayle <roger@eyesopen.com>
2599 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2600 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2601 were accidentally reverted by r112959.
2603 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2606 * except.h (eh_region_outermost): New prototype.
2607 * except.c (eh_region_outermost): New function.
2608 * tree-cfg.c (find_outermost_region_in_block): Use it.
2610 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2612 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2614 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2615 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2616 (init_reload, reload): Use VEC instead of VARRAY.
2617 * reload.h: Update the prototype for
2618 reg_equiv_memory_loc_varray.
2620 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2621 Eric Botcazou <ebotcazou@libertysurf.fr>
2623 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2626 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2629 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2630 to expand fallback builtin function call.
2632 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2635 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2636 and emit libcall here in case the builtin fails.
2637 (expand_builtin_strcmp): Always emit the libcall here on failure.
2639 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2641 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2642 * flow.c (reg_n_info): Change the type to
2643 VEC(reg_info_p,heap) *.
2644 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2646 * regs.h (reg_info_p): New.
2647 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2648 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2649 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2652 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2654 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2656 * params.h (MAX_SCHED_READY_INSNS): New macro.
2657 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2658 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2659 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2660 the ready list for 1 cycle during the first scheduling pass.
2661 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2663 2006-04-13 Richard Henderson <rth@redhat.com>
2666 * gimple-low.c (lower_omp_directive): Remove dead code.
2667 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2668 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2669 * omp-low.c (struct omp_region): Move to tree-flow.h.
2670 (root_omp_region): Export.
2671 (omp_regions, lookup_omp_region): Remove.
2672 (determine_parallel_type): Update for struct omp_region changes.
2673 (dump_omp_region): Dump regions with block numbers.
2674 (new_omp_region): Take type and block instead of stmt; malloc
2676 (free_omp_region_1, free_omp_regions): New.
2677 (expand_parallel_call): Take entry_stmt as argument; update for
2678 changes to omp_region.
2679 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2680 (remove_exit_barriers): New.
2681 (expand_omp_parallel): Update for struct omp_region changes.
2682 (expand_omp_synch): Likewise.
2683 (expand_omp): Likewise.
2684 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2685 (expand_omp_for_static_chunk): Likewise.
2686 (expand_omp_for): Likewise.
2687 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2688 (expand_omp_sections): Similarly, with GOMP_sections_end.
2689 (expand_omp_single): New.
2690 (build_omp_regions_1): Update for OMP_CONTINUE.
2691 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2692 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2693 OMP_SECTIONS_SECTIONS.
2694 (lower_omp_single_simple): Don't emit barrier here.
2695 (lower_omp_single_copy): Likewise.
2696 (lower_omp_single): Fix bindings, and lower to straightline now.
2697 (lower_omp_master, lower_omp_ordered): Likewise.
2698 (lower_omp_critical): Likewise.
2699 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2700 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2701 omp edges, free it afterward.
2702 (make_omp_sections_edges): Remove.
2703 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2704 (move_stmt_r): Handle OMP_CONTINUE.
2705 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2706 statement pointers to basic blocks. Add type member.
2707 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2708 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2709 * tree-inline.c (estimate_num_insns_1): Likewise.
2710 * tree-pretty-print.c (dump_generic_node): Likewise.
2711 * tree-ssa-operands.c (get_expr_operands): Likewise.
2712 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2713 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2714 (OMP_CONTINUE): New.
2715 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2716 (OMP_SECTIONS_SECTIONS): Remove.
2717 (OMP_SECTION_LAST): New.
2718 (OMP_RETURN_NOWAIT): New.
2720 2006-04-13 Roger Sayle <roger@eyesopen.com>
2722 * fold-const.c (native_encode_vector, native_interpret_real):
2723 Correct obvious mistakes in the previous check-in.
2725 2006-04-13 Roger Sayle <roger@eyesopen.com>
2727 * fold-const.c (native_encode_expr): New function to encode
2728 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2729 or VECTOR_CST into a specified buffer.
2730 (native_encode_int): New function.
2731 (native_encode_real): New function.
2732 (native_encode_complex): New function.
2733 (native_encode_vector): New function.
2734 (native_interpret_expr): Inverse of native_encode_expr to convert
2735 a target representation into an INTEGER_CST, REAL_CST etc...
2736 (native_interpret_int): New function.
2737 (native_interpret_real): New function.
2738 (native_interpret_complex): New function.
2739 (native_interpret_vector): New function.
2740 (fold_view_convert_expr): New function to constant fold/evaluate
2741 a VIEW_CONVERT_EXPR of a suitable constant expression.
2742 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2743 Change call of build1 to fold_build1 when constructing a
2746 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2747 Ulrich Weigand <uweigand@de.ibm.com>
2750 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2753 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2756 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2757 optimize to lo_sum for DFmode if !TARGET_FPRS.
2759 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2761 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2762 delete_alias_info, compute_flow_sensitive_aliasing,
2763 group_aliases): Use VEC instead of VARRAY.
2764 * tree-ssa-structalias.c (update_alias_info): Likewise.
2765 * tree-ssa-structalias.h (alias_info): Change the type of
2766 processed_ptrs to VEC(tree,heap) *.
2768 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2771 * config/sh/lib1funcs.h: New file, broken out of:
2772 * config/sh/lib1funcs.asm.
2773 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2775 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2776 * config/sh/lib1funcs-Os-4-200.asm: New file.
2777 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2778 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2779 (EXTRA_MULTILIB_PARTS): Include it.
2780 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2781 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2782 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2783 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2786 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2788 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2789 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2790 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2792 * tree-ssa-live.h: Include vecprim.h.
2793 (tree_partition_associator_d): Change the type of
2794 first_partition to VEC(int,heap) *.
2795 (tpa_first_partition): Use VEC instead of VARRAY.
2797 * Makefile.in (GTFILES): Move functions.h after tree.h.
2798 * function.c (reset_block_changes, record_block_change,
2799 check_block_change, free_block_changes): Use VEC instead of
2801 * function.h (function): Change the type of
2802 ib_boundaries_block to VEC(tree,gc) *.
2803 * tree-inline.c (copy_cfg_body): Initialize
2804 ib_boundaries_block to NULL instead of (varray_type) 0.
2806 2006-04-12 Roger Sayle <roger@eyesopen.com>
2808 * expr.c (emit_group_store): Correct operand order in call to
2809 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2810 a SUBREG_BYTE of zero.
2812 2006-04-12 Richard Guenther <rguenther@suse.de>
2814 * profile.c (compute_branch_probabilities): Remove code
2815 encapsulated in !ir_type (), which are remanents of the
2816 removed RTL profiling code.
2817 * rtl-profile.c: Remove.
2819 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2821 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2822 magic NULL_RTX comment.
2823 (function_arg): Store entire fp arg to mem if any part should go
2825 (rs6000_arg_partial_bytes): Adjust for above change.
2827 2006-04-11 Roger Sayle <roger@eyesopen.com>
2829 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2830 if it hasn't been initialized by dwarf2out_init.
2832 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2834 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2835 symbolic constants in branch patterns.
2837 2006-04-11 Roger Sayle <roger@eyesopen.com>
2839 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2841 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2843 PR rtl-optimization/27073
2844 * gcse.c (try_replace_reg): Revert last change. Continue to search
2845 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2848 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2850 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2851 aggregate types other than record and union types.
2852 (function_arg): Likewise.
2853 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2855 (function_value): In 64-bit mode, return objects that require it
2858 2006-04-11 Roger Sayle <roger@eyesopen.com>
2860 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2862 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2864 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2866 2006-04-03 Jeff Law <law@redhat.com>
2869 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2870 alias information too.
2872 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2874 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2876 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2879 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2880 (premark_used_types_helper): New.
2881 (premark_used_types): New.
2882 (gen_subprogram_die): Call premark_used_types.
2883 (prune_unused_types_walk): Do not prune perennial dies.
2884 * function.c (used_types_insert): New.
2885 * function.h (struct function): Add used_types_hash field.
2886 (used_types_insert): Add prototype.
2887 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2888 * c-parser.c (c_parser_cast_expression): Save casted types in used
2891 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2894 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2895 rs6000_explicit_options.float_gprs.
2897 2006-04-10 Roger Sayle <roger@eyesopen.com>
2899 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2900 from ix86_expand_vector_init_low_nonzero. Take an additional
2901 one_var argument indicating which element is non-zero. Support
2902 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2903 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2904 with one_var instead of ix86_expand_vector_init_low_nonzero.
2906 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2908 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2909 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2910 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2911 build/genextract.o): Depend on vecprim.h.
2912 * cfglayout.c, df-problems.c, function.c, genextract.c,
2913 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2914 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2918 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2920 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2921 Declare VECs of this type.
2922 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2923 (remove_children): Delete.
2924 (add_dwarf_attr): Use VEC routines.
2925 (add_AT_flag): Update for changes to add_dwarf_attr.
2926 (add_AT_int): Likewise.
2927 (add_AT_unsigned): Likewise.
2928 (add_AT_long_long): Likewise.
2929 (add_AT_vec): Likewise.
2930 (add_AT_string): Likewise.
2931 (add_AT_die_ref): Likewise.
2932 (add_AT_fde_ref): Likewise.
2933 (add_AT_loc): Likewise.
2934 (add_AT_loc_list): Likewise.
2935 (add_AT_addr): Likewise.
2936 (add_AT_lbl_id): Likewise.
2937 (add_AT_lineptr): Likewise.
2938 (add_AT_macptr): Likewise.
2939 (add_AT_offset): Likewise.
2940 (add_AT_range_list): Likewise.
2941 (get_AT): Use VEC_iterate.
2942 (remove_AT): Use VEC_ordered_remove.
2943 (free_die): Fold remove_children into here; have it use VEC_iterate.
2944 (print_die): Use VEC_iterate on attrs.
2945 (reverse_die_lists): Don't reverse attr lists.
2946 (die_checksum): Use VEC_iterate on attrs.
2947 (same_die_p): Likewise.
2948 (output_location_lists): Likewise.
2949 (build_abbrev_table): Likewise.
2950 (size_of_die): Likewise.
2951 (unmark_all_dies): Likewise.
2952 (output_abbrev_section): Likewise.
2953 (output_die): Likewise.
2954 (prune_unused_types_walk_attribs): Likewise.
2956 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2958 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2960 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2963 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2965 2006-04-09 Roger Sayle <roger@eyesopen.com>
2967 * expr.c (store_constructor): Don't bother clearing target if
2968 we're about to assign a vector to it using vec_init_optab.
2970 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2972 * tree-ssa-alias.c (lhs_may_store_to): New function.
2973 (recalculate_used_alone): Handle LHS of calls.
2975 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2979 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2980 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2981 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2982 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2983 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2984 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2985 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2986 stubs. Add ".align 8" directives before all ".dword" directives.
2987 (GTHREAD_USE_WEAK): Revise comment.
2988 (TARGET_ATTRIBUTE_WEAK): Define.
2989 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2990 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2991 * stublib.c: New file.
2996 * pa.md (cbranch patterns): Revise arguments used in calls to
2997 output_cbranch, output_bb and output_bvd. Add long branch length
2999 (fbranch patterns): Handle long branches.
3000 (jump): Revise length check. Revise arguments for output_lbranch call.
3001 Add long branch length attributes.
3002 (decrement_and_branch_until_zero): Add long branch length attributes.
3003 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3004 Likewise. Revise arguments for output_parallel_addb and
3005 output_parallel_movb calls.
3006 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3007 output_parallel_movb and output_parallel_addb): Update prototypes.
3008 * pa.c (output_cbranch): Revise arguments. Correct handling of
3009 nullification in long branches.
3010 (output_lbranch): Add new argument to control extraction of delay
3012 (output_bb): Handle long branches.
3013 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3014 output_parallel_addb): Likewise.
3016 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3018 PR rtl-optimization/27073
3019 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3022 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3024 * tree.h (tree_memory_tag): Add old_used_alone.
3025 (SMT_OLD_USED_ALONE): New macro.
3026 * tree-ssa-alias.c (recalculate_used_alone): Stop
3027 marking things for renaming unnecessarily.
3029 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3031 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3032 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3033 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3034 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3035 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3036 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3037 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3038 spelling convensions.
3039 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3040 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3041 typos. Follow spelling conventions.
3043 2006-04-07 DJ Delorie <dj@redhat.com>
3045 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3046 passed on the stack.
3047 (m32c_init_cumulative_args): When a function returns a structure,
3048 always pass the pointer to that return area on the stack.
3049 (m32c_function_arg_advance): Don't increment the parameter number
3050 if we're processing the returned structure pointer.
3051 (pushm_info): Reverse order of registers.
3053 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3055 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3056 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3057 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3058 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3060 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3061 chrec_fold_multiply): Same.
3062 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3063 force_expr_to_var_cost): Same.
3064 * tree-mudflap.c (mf_xform_derefs_1): Same.
3065 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3067 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3069 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3070 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3073 2006-04-07 Jan Hubicka <jh@suse.cz>
3075 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3077 2006-04-07 Richard Guenther <rguenther@suse.de>
3079 PR tree-optimization/26135
3080 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3081 loads for store copy-prop.
3082 (copy_prop_visit_stmt): Likewise.
3084 2006-04-05 Robert Millan <robertmh@gnu.org>
3086 * config/i386/linux.h: Add a comment to mark macros that are
3087 being overriden in config/k*bsd-gnu.h.
3088 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3090 * config/knetbsd-gnu.h: Ditto.
3092 2006-04-06 Jan Hubicka <jh@suse.cz>
3096 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3099 2006-04-06 Mike Stump <mrs@apple.com>
3101 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3102 for HAVE_nonlocal_goto to be consistent.
3103 (expand_builtin_nonlocal_goto): Likewise.
3104 (expand_builtin_strcmp): Use #ifdef instead of #if
3105 for HAVE_cmpstrnsi to be consistent.
3107 2006-04-05 DJ Delorie <dj@redhat.com>
3109 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3112 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3114 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3115 got-relative addressing for anything but SImode.
3117 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3118 even if the calling function doesn't modify them.
3120 2006-04-05 Richard Guenther <rguenther@suse.de>
3122 PR tree-optimization/26919
3123 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3124 to cgraph_estimate_size_after_inlining.
3126 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3128 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3130 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3132 PR tree-optimization/26996
3133 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3134 VECTOR_TYPE variables.
3136 2006-04-05 Richard Guenther <rguenther@suse.de>
3138 PR tree-optimization/26763
3139 * fold-const.c (fold_comparison): Move folding of
3140 PTR + CST CMP PTR + CST ...
3141 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3143 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3145 * doc/install.texi (Prerequisites): Refine some wording on
3146 bootstrapping and ksh.
3147 Move the version numbers of DejaGnu here from the testing section
3148 and fix casing of names.
3149 Fix markup and clarify wording for autogen requirements.
3150 Refer to GCJ instead of just java.
3151 Refer to SVN instead of CVS.
3152 Describe diffutils as useful instead of necessary.
3153 (Downloading the source): Refer to SVN instead of CVS.
3154 Adjust a link to our web site accordingly.
3155 (Configuration): Fix casing of Bison.
3156 (Building): Refer to SVN instead of CVS.
3157 Fix a sentence on the use of Bison and remove duplicate (and
3158 incorrect) version number of Bison requirement.
3159 Remove one redundant list of packages needed for building.
3160 (Specific): Avoid reference to CVS.
3162 2006-04-04 Eric Christopher <echristo@apple.com>
3164 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3165 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3166 (rs6000_handle_struct_attribute): New.
3167 (rs6000_ms_bitfield_layout_p): Ditto.
3169 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3171 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3172 NULL for dso parameter to atexit_common.
3174 2006-04-04 Eric Christopher <echristo@apple.com>
3176 * config/i386/i386.c (machopic_output_stub): Output \t
3177 between instructions and operands.
3179 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3182 satisfies_constraint_[IL] to explicit tests on value.
3184 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3186 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3187 set_nb_iterations_in_loop): Use build_int_cst instead of
3189 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3190 build_int_cst instead of convert.
3192 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3194 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3195 new value 2 for incoming.
3196 * function.c (expand_function_start): Call struct_value_rtx
3198 * config/sparc/sparc.md: Comment updated_return.
3199 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3200 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3201 struct return if sparc_std_struct_return and incoming is 2.
3202 (print_operand): Do not adjust return if
3203 sparc_std_struct_return.
3205 2006-04-04 Roger Sayle <roger@eyesopen.com>
3207 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3208 convert in the middle-end.
3209 * expr.c (store_expr, store_constructor, get_inner_reference,
3210 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3212 * tree.c (build_range_type): Likewise.
3214 2006-04-04 Tom Tromey <tromey@redhat.com>
3216 * doc/install.texi (Prerequisites): Mention jar.
3218 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3220 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3223 2006-04-04 Matthias Klose <doko@debian.org>
3225 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3226 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3229 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3231 * doc/extend.texi (Function Attributes): Rewrite visibility
3232 attribute documentation.
3233 * doc/invoke.texi (C++ Dialect Options): Rewrite
3234 -fvisibility-inlines-hidden documentation to describe something
3235 entirely different, although in practise compatible.
3236 (Code Gen Options): Warn about system headers in -fvisibility=
3239 * doc/extend.texi (Other Builtins): Document that
3240 __builtin_nan is a compile-time constant only when its argument
3243 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3245 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3246 trying to remove TRUNCATE check if all bits outside the new mode
3247 are identical to the sign bit.
3249 2006-04-03 Jeff Law <law@redhat.com>
3251 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3252 and operand scanning in some common cases.
3254 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3255 Dale Johannesen <dalej@apple.com>
3258 * regclass.c (struct reg_pref): Update documentation.
3259 (regclass): Set prefclass to NO_REGS if memory is the best option.
3260 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3261 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3262 into account. For non-registers, equate an empty preferred
3263 reload class to a `!' in the constraint; move the if clause to
3264 do so after those that reject the insn.
3265 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3267 (find_dummy_reload): Likewise.
3268 * doc/tm.texi (Register Classes): Document what it means
3269 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3270 * config/i386/i386.c (ix86_preferred_reload_class): Force
3271 using SSE registers (and return NO_REGS for floating-point
3272 constants) if math is done with SSE.
3273 (ix86_preferred_output_reload_class): New.
3274 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3275 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3276 * config/i386/i386.md: Remove # register preferences.
3278 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3281 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3282 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3283 the type of nb_iter.
3284 (instantiate_parameters_1): Convert the operands before calling
3285 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3286 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3288 2006-04-02 Roger Sayle <roger@eyesopen.com>
3290 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3291 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3293 * dojump.c (do_jump): Likewise.
3294 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3295 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3296 gimplify_boolean_expr): Likewise.
3297 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3298 * varasm.c (array_size_for_constructor): Likewise.
3299 * tree-object-size.c (compute_object_offset): Likewise.
3301 2006-04-02 Roger Sayle <roger@eyesopen.com>
3304 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3305 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3307 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3309 PR tree-optimization/26939
3310 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3312 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3314 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3315 at_stmt. Convert the type of operands before calling
3316 build_polynomial_chrec.
3317 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3319 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3320 (instantiate_parameters_1): Convert the type of operands before calling
3321 build_polynomial_chrec.
3322 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3323 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3324 reset_evolution_in_loop): Insert asserts to check the types of the
3326 (chrec_type): Moved...
3327 (eq_evolutions_p): Use operand_equal_p.
3328 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3329 the types of the operands.
3330 (chrec_type): ...here.
3331 * tree-data-ref.c (create_data_ref): Convert the operands before
3332 calling chrec_replace_initial_condition.
3333 (same_access_functions, analyze_subscript_affine_affine,
3334 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3335 (compute_subscript_distance, analyze_ziv_subscript,
3336 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3337 analyze_miv_subscript): Convert the operands before calling
3338 chrec_fold_minus or chrec_fold_plus.
3340 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3342 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3343 the dependence_relations vector.
3344 (compute_data_dependences_for_loop): Adjust call to
3345 compute_all_dependences.
3347 2006-04-01 Roger Sayle <roger@eyesopen.com>
3348 Richard Henderson <rth@redhat.com>
3350 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3351 gimple_boolify on the condition before calling gimplify_expr.
3353 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3355 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3356 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3357 the frame size. Update to use the new macros.
3358 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3359 * config/xtensa/ieee754-df.S: Likewise.
3361 2006-03-31 Richard Henderson <rth@redhat.com>
3363 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3364 (make_edges): ... here. Control fallthru creation with a local
3365 variable. Do not play with fake edges.
3366 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3367 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3370 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3372 * dwarf2.h (DW64_CIE_ID): Define.
3373 * dwarf2out.c (DWARF_CIE_ID): Define.
3374 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3375 length header. Use DWARF_CIE_ID.
3376 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3377 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3379 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3381 * config/sh/linux-atomic.asm: New file.
3382 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3384 2006-03-31 DJ Delorie <dj@redhat.com>
3386 * config/m32c/cond.md: Set condition flags properly throughout.
3387 * config/m32c/minmax.md: Likewise.
3388 * config/m32c/prologue.md: Likewise.
3389 * config/m32c/bitops.md: Likewise.
3390 * config/m32c/muldiv.md: Likewise.
3391 * config/m32c/mov.md: Likewise.
3392 * config/m32c/addsub.md: Likewise.
3393 * config/m32c/m32c.md: Likewise.
3394 * config/m32c/jump.md: Likewise.
3395 * config/m32c/shift.md: Likewise.
3397 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
3398 conditionally output the pattern for this.
3399 * config/m32c/m32c.c (flags_needed_for_conditional): New.
3400 (m32c_compare_redundant): New.
3401 (m32c_output_compare): New.
3402 * config/m32c/m32c-protos.h (m32c_output_compare): New.
3404 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
3405 dest, not src. Allow other 4-byte modes.
3407 2006-03-30 Denis Chertykov <denisc@overta.ru>
3409 * doc/md.texi: Refer to avr/constraints.md instead of
3412 2006-03-30 Roger Sayle <roger@eyesopen.com>
3414 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
3415 signed vs. unsigned comparison failures on some hosts.
3417 2006-03-31 Alan Modra <amodra@bigpond.net.au>
3420 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
3421 change to FLOAT_REGS.
3423 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
3424 (rs6000_override_options): Use it.
3425 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
3426 only for -mabi=spe/no-spe and -mabi=altivec.
3428 2006-03-30 Geoffrey Keating <geoffk@apple.com>
3430 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
3433 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
3435 * Makefile.in: Rename docdir to gcc_docdir.
3437 2006-03-30 Roger Sayle <roger@eyesopen.com>
3440 * expr.c (emit_group_store): Optimize group stores into a pseudo
3441 register by using a paradoxical subreg to initialize the destination
3442 if the first or last member of the group specifies a "low part".
3444 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3447 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
3448 * target.h (struct gcc_target.speculate_insn): Change type of the
3449 second parameter to 'int'.
3450 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
3451 the second operand of the DEPS_LIST.
3452 (copy_DEPS_LIST_list): Update reference to the second operand of the
3454 * rtl.h (alloc_DEPS_LIST): Update signature.
3455 * sched-int.h (ds_t): Change typedef to 'int'.
3456 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3458 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3460 * haifa-sched.c (try_ready): Change condition to restore
3461 non-speculative pattern of the instruction.
3462 (process_insn_depend_be_in_spec): Code to keep probability of the
3463 speculative dependence non-decreasing.
3465 2006-03-30 Jie Zhang <jie.zhang@analog.com>
3467 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
3468 (single_move_for_movmem): ... this. Also change all uses.
3469 (bfin_expand_strmov): Renamed to...
3470 (bfin_expand_movmem): ... this. Also change all uses.
3471 * config/bfin/bfin.md (movstrsi): Renamed to...
3472 (movstrsi): ...this.
3474 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
3476 PR tree-optimization/26830
3478 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
3479 (copy_prop_visit_stmt): Remove write-only variable ann.
3480 (init_copy_prop): Check variable loop depth here. Do not simulate
3481 memory-tag and virtual operand PHIs except for store copy prop.
3483 2006-03-30 Richard Guenther <rguenther@suse.de>
3485 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3486 variants with double arguments.
3488 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3490 * genpreds.c (write_tm_constrs_h): Delete variable p.
3491 * genconditions.c (write_header): Add tm-constrs.h to included
3493 * genpeep.c (main): Add toplev.h to included headers.
3494 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3495 (build/genpeep.o): Add toplev.h dependency.
3496 * config/rs6000/constraints.md: Add "W" constraint.
3498 2006-03-29 Roger Sayle <roger@eyesopen.com>
3500 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3501 sizes by correctly testing whether the size fits a host integer.
3502 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3503 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3504 SImode range for the default sizetype and bitsizetype.
3506 2006-03-29 Roger Sayle <roger@eyesopen.com>
3508 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3509 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3510 quickly if the argument is already of the correct type.
3511 Call fold_build1 instead of build1. Tidy up blank lines.
3513 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3515 * genemit.c (main): Add tm-constrs.h to included headers.
3516 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3517 * genpeep.c (main): Add tm-constrs.h to included headers.
3518 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3519 (write_tm_constrs_h): this and write complete file.
3520 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3521 (write_insn_preds_c): Add tm-constrs.h to included headers.
3522 (gen_constrs): New variable.
3523 (parse_option): Parse "-c".
3524 (main): Invoke write_tm_constrs_h.
3525 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3526 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3527 (object_out_file): Add tm-constrs.h dependency.
3528 (insn-emit.o): Same.
3529 (insn-output.o): Same.
3530 (insn-peep.o): Same.
3531 (insn-preds.o): Same.
3532 (insn-recog.o): Same.
3533 (tm-constsr.h): New target.
3534 (s-constrs-h): New target.
3536 * config/rs6000/constraints.md: New file.
3537 * config/rs6000/rs6000.c: Include tm-constrs.h.
3538 (num_insn_constant_wide): Convert to satisfies_constraint.
3539 (rs6000_rtx_costs): Convert to satisfies_constraint.
3540 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3541 (CONST_OK_FOR_LETTER_P): Delete.
3542 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3543 (EXTRA_CONSTRAINT): Delete.
3544 (EXTRA_MEMORY_CONSTRAINT): Delete.
3545 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3546 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3547 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3548 satisfies_constraint.
3550 * config/i386/i386.c: Include tm-constrs.h.
3552 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3554 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3555 * tree-data-ref.c (find_data_references_in_loop,
3556 compute_data_dependences_for_loop): Use pointers to VEC.
3557 (analyze_all_data_dependences): Adjust calls.
3558 * tree-data-ref.h (find_data_references_in_loop,
3559 compute_data_dependences_for_loop): Adjust declarations.
3560 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3561 compute_data_dependences_for_loop.
3563 2006-03-29 Paul Brook <paul@codesourcery.com>
3565 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3568 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3570 PR tree-optimization/26859
3571 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3573 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3574 for the step after fold_convert.
3576 2006-03-29 Paul Brook <paul@codesourcery.com>
3578 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3579 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3581 2006-03-29 Paul Brook <paul@codesourcery.com>
3584 * targhooks.c (default_narrow_bitfield): New fuction.
3585 * targhooks.h (default_narrow_bitfield): add prototype.
3586 * target.h (gcc_target): Add narrow_volatile_bitfield.
3587 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3588 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3589 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3590 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3592 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3594 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3596 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3597 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3598 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3599 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3600 (s390_function_arg_float): Allow SDmode and DDmode values to be
3601 passed in floating point registers.
3602 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3603 check with SCALAR_FLOAT_MODE_P.
3604 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3606 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3608 PR tree-optimization/25985
3609 * tree-ssa-loop-niter.c (number_of_iterations_le,
3610 number_of_iterations_ne): Make comments more precise.
3611 (number_of_iterations_cond): Add only_exit argument. Use the
3612 fact that signed variables do not overflow only when only_exit
3614 (loop_only_exit_p): New.
3615 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3616 number_of_iterations_cond.
3618 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3620 PR tree-optimization/26643
3621 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3624 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3626 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3627 (divsi3_i4_int): Likewise.
3629 2006-03-28 Roger Sayle <roger@eyesopen.com>
3631 * expr.c (emit_group_store): Only create a new pseudo reg if the
3632 quantity it needs to hold isn't already a suitable pseudo.
3634 2006-03-28 Jeff Law <law@redhat.com>
3636 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3637 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3639 2006-03-28 Roger Sayle <roger@eyesopen.com>
3641 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3642 the equivalent ~X & Y, and the symmetry related transformations.
3643 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3644 ~X & Y, and symmetry related transforms.
3646 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3648 Revert my 2006-03-27 patches.
3650 2006-03-28 Roger Sayle <roger@eyesopen.com>
3652 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3653 ~(T1)X, when T1 and T2 are integer types of the same precision
3654 and (T2)X isn't an extension.
3656 2006-03-28 Jeff Law <law@redhat.com>
3658 PR tree-optimization/26796
3659 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3660 need EH edge cleanups rather than purging them immediately.
3661 (eliminate_degenerate_phis): Handle queued EH cleanups.
3663 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3665 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3668 2006-03-27 Roger Sayle <roger@eyesopen.com>
3671 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3672 cast BIT_NOT_EXPR operand to the correct type.
3674 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3676 * tree-loop-linear.c: Don't include varray.h.
3677 (gather_interchange_stats, try_interchange_loops,
3678 linear_transform_loops): Use VEC instead of VARRAY.
3679 * lambda-mat.c: Don't include varray.h.
3680 * tree-chrec.c: Same.
3681 * lambda-trans.c: Same.
3682 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3683 VEC instead of VARRAY.
3684 * tree-vectorizer.h: Idem.
3685 * tree-data-ref.c (dump_data_references,
3686 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3687 initialize_data_dependence_relation, finalize_ddr_dependent,
3688 compute_all_dependences, find_data_references_in_loop,
3689 compute_data_dependences_for_loop, analyze_all_data_dependences,
3690 free_dependence_relation, free_dependence_relations,
3691 free_data_refs): Idem.
3692 * tree-data-ref.h (data_reference_p, subscript_p): New.
3693 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3694 VEC instead of VARRAY.
3695 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3696 (find_data_references_in_loop, compute_data_dependences_for_loop,
3697 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3698 dump_data_dependence_relations, free_dependence_relations,
3699 free_data_refs): Adjust declaration.
3700 (lambda_transform_legal_p): Move declaration here...
3701 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3702 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3703 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3704 vect_analyze_data_refs): Use VEC instead of VARRAY.
3705 * lambda.h (lambda_transform_legal_p): ...from here.
3706 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3707 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3708 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3709 tree-chrec.o): Don't depend on VARRAY_H.
3711 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3713 * rtl.def (Copyright): Update date.
3714 (DEPS_LIST): Change type of the second operand to 'int'.
3715 * target.h (Copyright): Update date.
3716 (struct gcc_target.speculate_insn): Change type of the second parameter
3718 * lists.c (Copyright): Update date.
3719 (alloc_DEPS_LIST): Change signature. Update reference to the second
3720 operand of the DEPS_LIST.
3721 (copy_DEPS_LIST_list): Update reference to the second operand of the
3723 * rtl.h (Copyright): Update date.
3724 (alloc_DEPS_LIST): Update signature.
3725 * sched-int.h (Copyright): Update date.
3726 (ds_t): Change typedef to 'int'.
3727 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3729 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3731 * haifa-sched.c (Copyright): Update date.
3732 (try_ready): Change condition to restore non-speculative pattern
3734 (process_insn_depend_be_in_spec): Code to keep probability of the
3735 speculative dependence non-decreasing.
3737 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3739 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3740 shut up the compiler.
3742 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3744 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3745 to use lib prefix for target.
3746 ($(T)libic_invalidate_array_4-200.a): Likewise.
3747 ($(T)libic_invalidate_array_4a.a): Likewise.
3749 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3750 J"orn Rennecke <joern.rennecke@st.com>
3752 * superh.opt: New file.
3753 * sh.c (boardtype, osruntime): Remove.
3754 * superh.h (SUBTARGET_OPTIONS): Remove.
3755 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3757 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3758 arguments with ^ and/or [].
3760 * config.gcc (sh-*-*): Add quoting to account for quirk of
3762 Replace == with = in enable_incomplete_targets test.
3764 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3765 with MASK_LITTLE_ENDIAN.
3767 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3768 * config/sh/sh.opt: Added to some comments.
3769 * config/sh/superh.h: Removed some chaff.
3771 * config/sh/sh.opt: Add m4-[1234]00* options.
3772 * config/sh/sh.c (sh_handle_option): Likewise.
3773 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3774 (ic_invalidate_array_4-100.o): New rule.
3775 ($(T)libic_invalidate_array_4-100.a): Likewise.
3776 (ic_invalidate_array_4-200.o): Likewise.
3777 ($(T)libic_invalidate_array_4-200.a): Likewise.
3778 (ic_invalidate_array_4a.o): Likewise.
3779 ($(T)libic_invalidate_array_4a.a): Likewise.
3780 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3781 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3783 * config/sh/crt1.asm: Merged in profiling code.
3784 * config/sh/superh.h (STARTFILE_SPEC): Override.
3785 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3786 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3787 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3789 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3790 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3791 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3793 * sh.opt (mpretend-cmove): New option.
3794 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3795 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3796 (movsicc): Add TARGET_PRETEND_CMOVE code.
3798 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3800 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3801 s390_class_max_nregs): New function prototypes.
3802 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3803 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3804 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3805 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3807 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3809 * dwarf2out.c (add_location_or_const_value_attribute): Call
3810 tree_add_const_value_attribute if nothing else works.
3811 (reference_to_unused): New.
3812 (rtl_for_decl_init): Use reference_to_unused to decide whether
3813 to output an initializer.
3815 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3818 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3819 peephole removing spe frob_di_df_2.
3821 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3823 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3824 (subscript_dependence_tester_1): Declared.
3825 (print_dir_vectors, print_dist_vectors): New.
3826 (debug_data_dependence_relation): New.
3827 (dump_data_dependence_relation): Print more details.
3828 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3829 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3830 (save_dist_v, save_dir_v, add_outer_distances,
3831 build_classic_dist_vector_1): New.
3832 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3833 Don't test for lambda_vector_lexico_pos.
3834 (same_access_functions, add_multivariate_self_dist,
3835 add_other_self_distances, dir_from_dist): New.
3836 (build_classic_dir_vector): Replace implementation almost identical to
3837 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3839 (subscript_dependence_tester_1): New.
3840 (subscript_dependence_tester): Handle the lexicographically negative
3841 distance vectors by recomputing the dependence relation.
3842 (compute_affine_dependence): Remove parameter loop_nest_depth.
3843 (compute_self_dependence): Don't call compute_subscript_distance.
3844 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3845 Add a parameter for the loop_nest.
3846 (find_loop_nest_1, find_loop_nest): New.
3847 (compute_data_dependences_for_loop): Compute the loop nest, and give
3848 up if the nest is not well formed.
3849 * tree-data-ref.h (loop_p): New.
3850 (struct data_dependence_relation): Replace size_vect field with
3851 loop_nest, a vec of loops.
3852 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3853 (DDR_LOOP_NEST): New.
3854 (print_dir_vectors, print_dist_vectors,
3855 debug_data_dependence_relation): Declared.
3856 (index_in_loop_nest): New.
3857 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3858 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3861 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3863 * simplify-rtx.c (simplify_relational_operation): Call
3864 simplify_relational_operation_1 even if mode is VOIDmode.
3866 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3868 PR tree-optimization/26804
3869 * tree.h (DECL_CALL_CLOBBERED): New macro.
3870 (tree_decl_common): Add call_clobbered_flag.
3871 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3872 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3873 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3874 (mark_non_addressable): Ditto.
3875 * tree-ssa.c (verify_call_clobbered): New function.
3876 (verify_alias_info): Use it.
3877 * tree-pass.h (pass_reset_cc_flags): New prototype.
3878 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3879 (reset_cc_flags): New function.
3880 * passes.c (init_optimization_passes): Call reset_cc_flags after
3881 initializing referenced_vars.
3883 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3884 Roger Sayle <roger@eyesopen.com>
3887 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3888 to 1.0 for non-real operands. Implement A / A optimization for
3891 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3893 * config/i386/i386.c (size_cost): Correct the comment for
3894 cost of storing fp registers.
3895 (i386_cost): Likewise.
3896 (i486_cost): Likewise.
3897 (pentium_cost): Likewise.
3898 (pentiumpro_cost): Likewise.
3899 (k6_cost): Likewise.
3900 (athlon_cost): Likewise.
3901 (k8_cost): Likewise.
3902 (pentium4_cost): Likewise.
3903 (nocona_cost): Likewise.
3904 (generic64_cost): Likewise.
3905 (generic32_cost): Likewise.
3907 2006-03-24 Denis Chertykov <denisc@overta.ru>
3909 * config/avr/avr-protos.h (extra_constraint): Delete.
3910 (extra_constraint_Q): New declaration.
3911 * config/avr/constraints.md: New file.
3912 * config/avr/avr.md: Include it.
3913 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3914 (TMP_REGNO, ZERO_REGNO): Likewise.
3915 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3916 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3917 (extra_constraint): Delete.
3918 (extra_constraint_Q): Test for memory constraint 'Q'.
3919 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3920 (REG_CLASS_FROM_LETTER): Delete.
3921 (CONST_OK_FOR_LETTER_P): Delete.
3922 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3923 (EXTRA_CONSTRAINT): Delete.
3924 (TMP_REGNO): Delete.
3925 (ZERO_REGNO): Delete.
3927 2006-03-24 Jeff Law <law@redhat.com>
3929 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3930 directly. Call mark_new_vars_to_rename slightly earlier.
3932 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3934 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3936 (gen_compile_unit_die): Use new language types for Objective-C and
3938 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3939 DW_LANG_C_plus_plus.
3942 * config/t-darwin (crt3.o): Work around bug 26840.
3943 * config/darwin-crt3.c: Rewrite.
3944 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3946 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3948 * doc/invoke.texi: Document -femit-class-debug-always
3949 * common.opt: Add -femit-class-debug-always.
3951 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3953 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3954 index and base register.
3955 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3956 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3957 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3958 REGNO_OK_FOR_INDEX_P.
3959 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3961 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3962 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3963 REG_OK_FOR_BASE_P): Definitions removed.
3965 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3968 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3969 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3970 set yet or weren't marked as local yet.
3972 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3974 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3977 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3979 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3980 (rs6000_legitimate_small_data_p): Delete.
3981 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3982 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3983 and make static. Add forward declaration. Update uses.
3984 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3985 of offsettable_memref_p.
3986 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3987 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3989 2006-03-24 Jeff Law <law@redhat.com>
3991 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3992 around bug in immediate-use iterator.
3994 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3997 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3998 or __LITTLE_ENDIAN__.
4000 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4002 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4003 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4004 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4005 * config/sh/sh.opt (mdiv=): Amend description.
4006 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4007 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4008 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4009 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4010 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4011 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4012 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4013 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4014 TARGET_DIVIDE_CALL_FP.
4016 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4018 * haifa-sched.c (choose_ready): Fix type of the local variable.
4019 Move local variables. Add comment.
4020 (check_reg_live): Change signature. Make callable from debugger.
4021 * sched-int.h (check_reg_live): Update signature.
4022 * sched-ebb.c (check_reg_live): Update parameters.
4023 * sched-rgn.c (check_reg_live): Ditto.
4024 (region_head_or_leaf_p): Check pointer before dereferencing.
4025 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4026 before reload on optimization levels below 1.
4028 2006-03-23 Richard Henderson <rth@redhat.com>
4030 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4034 * config/alpha/predicates.md (local_symbolic_operand): Reject
4037 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4040 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4041 expressions which have overflowed constants.
4043 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4045 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4047 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4049 * cfgloopmanip.c (create_loop_notes): Removed.
4050 * final.c (final_scan_insn): Do not handle loop notes.
4051 * jump.c (squeeze_notes): Ditto.
4052 * cfglayout.c (skip_insns_after_block,
4053 duplicate_insn_chain): Ditto.
4054 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4056 * cfgloop.h (create_loop_notes): Declaration removed.
4058 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4060 * varasm.c (output_constant_pool): Restore fnname and fndecl
4062 (assemble_start_function): Adjust call accordingly.
4063 (assemble_end_function): Likewise.
4065 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4068 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4071 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4073 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4076 * system.h (ICE_EXIT_CODE): New macro.
4077 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4078 (diagnostic_action_after_output): Likewise.
4079 * gcc.c (fatal_ice): New function.
4080 (execute): Use it instead of fatal.
4081 (fancy_abort): Likewise.
4082 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4084 2006-03-22 Jeff Law <law@redhat.com>
4086 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4087 iv_analyze_result returning false.
4089 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4091 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4093 2006-03-22 Richard Henderson <rth@redhat.com>
4096 * except.c (duplicate_eh_regions_0): New.
4097 (duplicate_eh_region_1): Duplicate the children of the node as
4098 well as the node itself. Link them up properly.
4099 (duplicate_eh_region_2): Merge into ...
4100 (duplicate_eh_regions): ... here. Take copy_region argument, and
4101 copy only a sub-tree if asked. Simplify copying and fixup.
4102 (eh_region_outer_p): New.
4103 * except.h (duplicate_eh_regions): Update decl.
4104 (eh_region_outer_p): Declare.
4105 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4106 (lower_omp_master): Likewise.
4107 (lower_omp_ordered): Likewise.
4108 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4109 (move_stmt_r): Use it to remap labels. Handle recursion vs
4110 remap_decls_p properly.
4111 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4112 (find_outermost_region_in_block): New.
4113 (new_label_mapper): New.
4114 (move_sese_region_to_fn): Copy eh information to the new function
4116 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4118 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4121 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4123 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4124 into shared libraries.
4126 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4128 * doc/md.texi: Refer to i386/constraints.md instead of
4130 * config/i386/constraints.md: New file, extracted from...
4131 * config/i386/predicates.md: ...here.
4132 * config/i386/i386.md: Include constraints.md.
4134 2006-03-21 Jason Merrill <jason@redhat.com>
4136 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4139 * expr.c (init_block_move_fn): Force default visibility.
4140 (init_block_clear_fn): Likewise.
4141 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4142 * targhooks.c (default_external_stack_protect_fail): Likewise.
4144 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4146 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4147 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4148 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4149 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4150 (loadgp): Use mips_current_loadgp_style.
4151 (loadgp_noshared): New pattern.
4152 (sibcall_internal): Use MIPS_CALL.
4153 (sibcall_value_internal): Likewise.
4154 (sibcall_value_multiple_internal): Likewise.
4155 (call_internal): Likewise.
4156 (call_value_internal): Likewise.
4157 (call_value_multiple_internal): Likewise.
4158 (call_split): Use MIPS_CALL and add an 'S' constraint.
4159 (call_value_split): Likewise.
4160 (call_value_multiple_split): Likewise.
4161 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4162 (-mshared): New option.
4163 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4164 (mips_current_loadgp_style): Declare.
4165 * config/mips/mips.c (mips_classify_symbol): Avoid using
4166 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4167 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4168 TARGET_ABSOLUTE_ABICALLS.
4169 (override_options): Adjust comments. Improve the warning that is
4170 issued when -mabicalls and -G are used together.
4171 (mips_file_start): Remove comment.
4172 (mips_current_loadgp_style): New function.
4173 (mips_gnu_local_gp): New variable.
4174 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4176 (mips_output_function_prologue): Use mips_current_laodgp_style.
4177 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4178 the cprestore instruction.
4179 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4180 live for TARGET_ABSOLUTE_ABICALLS.
4181 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4182 (ASM_SPEC): Pass down -mshared and -mno-shared.
4183 (MIPS_CALL): New macro.
4184 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4186 * doc/invoke.texi (-mabicalls): Update documentation.
4187 (-mshared): Document.
4189 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4191 * config/ia64/unwind-hpux.c: New file.
4192 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4194 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4197 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4199 2006-03-21 Jeff Law <law@redhat.com>
4201 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4202 type conversions of a VR_VARYING source to a wider type.
4204 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4206 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4207 tm_file on Solaris 10 and later.
4208 (sparc64-*-solaris2*): Likewise.
4209 (sparc-*-solaris2*): Likewise.
4210 * config/sol26.h: Rename to config/sol2-6.h.
4211 * config/sol2-10.h: New file.
4213 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4216 * tree-ssa-pre.c (create_component_ref_by_pieces):
4219 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4222 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4223 return it immediately.
4225 2006-03-21 Michael Matz <matz@suse.de>
4227 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4229 (remove_arc, add_arc): Update num_out_arcs member.
4230 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4232 (cache_presence): New function.
4233 (compare_states_for_equiv): New function.
4234 (state_is_differed): Don't take number of outargs, adjust callers.
4235 Use new invariant for speeding up.
4236 (init_equiv_class): Create initial classes based on sorted
4238 (partition_equiv_class): Don't track out_arcs_num.
4239 (evaluate_equiv_classes): Call cache_presence on all states and
4242 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4244 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4245 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4246 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4247 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4249 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4250 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4251 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4252 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4253 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4255 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4256 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4257 (REGNO_REG_CLASS): ARGP is in PREGS.
4258 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4260 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4261 to deal with those addresses.
4262 * addresses.h: New file.
4263 * caller-save.c: Include "addresses.h".
4264 (init_caller_save): Use new base_reg_class function.
4265 * rtl-factoring.c: Include "addresses.h".
4266 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4267 * recog.c: Include "addresses.h".
4268 (preprocess_constraints): Use new base_reg_class function.
4269 * regrename.c: Include "addresses.h".
4270 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4271 functions. Keep track of a new var INDEX_CODE to compute valid
4273 (replace_oldest_value_addr): Likewise.
4274 (replace_oldest_value_mem): Use base_reg_class.
4275 * reload.c: Include "addresses.h".
4276 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4277 (find_reloads): Use new base_reg_class function.
4278 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4279 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4280 all callers and prototype changed.
4281 * reload1.c: Include "addresses.h".
4282 (maybe_fix_stack_asms): Use base_reg_class.
4283 * regclass.c: Include "addresses.h".
4284 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4285 (init_reg_autoinc): Use new base_reg_class function.
4286 (record_reg_classes): Likewise.
4287 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4288 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4289 Use new args to compute necessary class.
4291 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4292 regrename.o, rtl-factoring.o): Update dependencies.
4293 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4294 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4295 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4296 REG_OK_FOR_INDEX_P): Delete documentation.
4298 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4300 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4301 from V7 to V9 for Solaris 7 and above.
4303 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4305 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4306 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4307 argument pointers may not alias any other storage.
4308 * common.opt: Define option -fargument-noalias-anything.
4309 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4310 alias semantics is specified by flag_argument_noalias > 2.
4312 2006-03-20 Jeff Law <law@redhat.com>
4314 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4315 (pass_phi_only_cprop): Declare.
4316 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4318 * tree-ssa-dom.c (degenerate_phi_result): New function.
4319 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4320 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4321 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4322 (eliminate_degenerate_phis): Likewise.
4323 (pass_phi_only_cprop): New pass descriptor.
4324 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4325 support code. Callers updated.
4326 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4327 (store_copy_prop): Likewise.
4328 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4330 2006-03-20 Jason Merrill <jason@redhat.com>
4333 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4334 (push_visibility, pop_visibility): Likewise.
4335 * c-pragma.h: Declare them.
4337 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4339 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4341 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4342 parameter and use get_ebb_head_tail.
4343 (sh_md_init_global): Adjust uses of find_regmode_weight.
4345 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4347 * function.h (struct function) <x_tail_recursion_reentry>:
4348 Rename to x_stack_check_probe_note.
4349 (tail_recursion_reentry): Rename to stack_check_probe_note.
4350 * function.c: Replace tail_recursion_reentry with
4351 stack_check_probe_note everywhere.
4352 (expand_function_start): Only emit a note for
4353 stack_check_probe_note with -fstack-protect.
4354 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4356 * emit-rtl.c (remove_unnecessary_notes): Remove.
4357 (pass_remove_unnecessary_notes): Remove.
4358 * rtl.h (remove_unnecessary_notes): Remove prototype.
4359 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4360 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4361 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4363 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4366 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4367 (valid_in_set): Handle ARRAY_REF.
4368 Change "if min_variant or VH" to asserts.
4369 (create_component_ref_by_pieces): Handle ARRAY_REF.
4370 (create_expression_by_pieces): Likewise.
4371 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4373 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4375 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4376 is operand of switch, not str[0].
4378 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4380 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4381 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4383 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4385 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4386 end of insn_extra_address_constraint declaration.
4388 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4390 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4391 (no-sum-in-toc): Same.
4392 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4394 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4395 NO_FP_IN_TOC for -fPIC instead of mask.
4397 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
4398 (BOOT_LDFLAGS): Delete.
4400 * config/rs6000/t-aix52: Same.
4402 * config/rs6000/rs6000.md (store_multiple_power): Delete.
4403 (stmsi[345678]_power): New.
4405 2006-03-17 Steve Ellcey <sje@cup.hp.com>
4407 * config/ia64/ia64.opt: Add empty line to end of file.
4409 2006-03-17 Richard Guenther <rguenther@suse.de>
4412 * builtins.c (get_pointer_alignment): For component style references
4413 adjust alignment to the component type alignment. Make sure
4414 to adjust alignment for component access of constants.
4416 2006-03-17 David Edelsohn <edelsohn@gnu.org>
4418 * config/rs6000/rs6000.md (strlensi): Emit barrier after
4421 2006-03-17 Paul Brook <paul@codesourcery.com>
4423 * doc/install.texi: Docuemnt --with-mode.
4424 * config.gcc: Add --with-mode for arm*-*-*.
4425 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
4427 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
4429 * sh.c (max_labelno_before_reorg): New variable.
4430 (sh_reorg): Initialize it.
4431 (find_barrier): Check max_labelno_before_reorg before using
4432 label_to_alignment. Take length of explicit alignment insns
4433 into account. When seeing a UNSPECV_CONST_END, return it.
4435 * sh.c (fixup_mova): Set mode of affected label to QImode.
4436 (untangle_mova): New function.
4437 (find_barrier): Use it. Check mode of label before decrementing
4439 (sh_reorg): Likewise.
4440 Set mode of all insns back to VOIDmode.
4442 * sh.c (MOVA_LABELREF): New macro.
4443 (mova_p, fixup_mova, sh_reorg): Use it.
4444 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
4445 ADDR_DIFF_VEC matches mova.
4447 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
4449 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
4450 with ATTRIBUTE_UNUSED.
4452 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
4454 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
4455 pointer, instead of assuming it is possible to derive the
4456 correct args size from a call insn.
4458 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4460 * rtl.h (CONST_INT_P): Define.
4461 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
4462 instead of GET_CODE(x) == CONST_INT.
4463 (vax_rtx_costs): Likewise.
4464 (vax_output_int_move): Likewise.
4465 (vax_output_int_add): Likewise.
4466 (legitimate_constant_address_p): Likewise.
4467 (index_term_p): Likewise.
4468 * config/vax/vax.h (PRINT_OPERAND): Likewise.
4469 * config/vax/vax.md (and<mode>3): Likewise.
4470 (ashrsi3): Likewise.
4472 (movstricthi): Likewise.
4473 (movstrictqi): Likewise.
4474 (rotrsi3): Likewise.
4475 (five unnamed insns): Likewise.
4477 2006-03-16 Geoffrey Keating <geoffk@apple.com>
4479 * doc/tm.texi (SDB and DWARF): Add extra parameter to
4480 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
4481 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
4482 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
4483 Pass to ASM_OUTPUT_DWARF_OFFSET.
4484 * dwarf2out.c (debug_frame_section): New.
4485 (output_call_frame_info): Use debug_frame_section. Pass it to
4486 dw2_asm_output_offset.
4487 (output_die): Pass appropriate section to dw2_asm_output_offset.
4488 (output_compilation_unit_header): Likewise.
4489 (output_pubnames): Likewise.
4490 (output_aranges): Likewise.
4491 (enum dw_val_class): Break dw_val_class_lbl_offset into
4492 dw_val_class_lineptr and dw_val_class_macptr.
4493 (add_AT_lbl_offset): Delete.
4494 (add_AT_lineptr): New.
4495 (add_AT_macptr): New.
4496 (AT_lbl): Expect a lineptr or macptr.
4497 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4498 (attr_checksum): Likewise.
4499 (same_dw_val_p): Likewise.
4500 (size_of_die): Likewise.
4501 (value_format): Likewise.
4502 (output_die): Likewise.
4503 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4505 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4506 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4507 * config/darwin-protos.h (darwin_file_start): New.
4508 (darwin_asm_output_dwarf_offset): New.
4509 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4510 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4512 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4513 if not EH section; simplify.
4514 (darwin_file_start): New.
4515 (darwin_asm_output_dwarf_offset): New.
4516 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4518 (DEBUG_INFO_SECTION): Likewise.
4519 (DEBUG_ABBREV_SECTION): Likewise.
4520 (DEBUG_ARANGES_SECTION): Likewise.
4521 (DEBUG_MACINFO_SECTION): Likewise.
4522 (DEBUG_LINE_SECTION): Likewise.
4523 (DEBUG_LOC_SECTION): Likewise.
4524 (DEBUG_PUBNAMES_SECTION): Likewise.
4525 (DEBUG_STR_SECTION): Likewise.
4526 (DEBUG_RANGES_SECTION): Likewise.
4527 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4528 (ASM_OUTPUT_DWARF_OFFSET): New.
4530 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4532 * config.gcc (tm_defines): Always add to previous value rather
4535 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4537 * config/mips/predicates.md (splittable_const_int_operand): New,
4538 split from move_operand.
4539 (splittable_symbolic_operand): New.
4540 (move_operand): Add commentary. Use splittable_const_int_operand.
4541 Inline mips_atomic_symbolic_constant_p.
4542 * config/mips/mips.md: Add combine splitters for handling moves
4543 of splittable_const_int_operands and splittable_symbolic_operands.
4544 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4545 (mips_split_symbol): Declare.
4546 (mips_move_integer): Declare.
4547 * config/mips/mips.c (mips_split_p): Make global.
4548 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4549 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4550 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4551 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4552 (mips_offset_within_object_p): Handle block symbols.
4553 (mips_atomic_symbolic_constant_p): Delete.
4554 (mips_cannot_force_const_mem): Return false for constants that
4555 mips_legitimize_move can handle.
4556 (mips_use_blocks_for_constant_p): New function.
4557 (mips_split_symbol): Make global.
4558 (mips_move_integer): Likewise. Add a temporary register argument.
4559 (mips_legitimize_const_move): Use splittable_const_int_operand and
4560 splittable_symbolic_operand.
4561 (mips_use_anchors_for_symbol_p): New function.
4562 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4563 (mips_split_p): Declare.
4565 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4567 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4568 (mips*-*-linux*): Likewise.
4570 2006-03-16 Roger Sayle <roger@eyesopen.com>
4571 Daniel Speyer <dspeyer@wam.umd.edu>
4574 * tree-dump.c (dump_real): New function.
4575 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4576 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4577 (tree-dump.o): Add $(REAL_H) to the dependencies.
4579 2006-03-16 Roger Sayle <roger@eyesopen.com>
4582 * real.c (real_from_string): If the mantissa is zero, don't bother
4583 parsing the exponent as the result should always be zero.
4585 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4587 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4589 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4591 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4592 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4593 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4594 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4595 ia64_sched_finish_global): New static functions to implement
4596 hooks from gcc_target.sched.
4597 (spec_check_no, max_uid, pending_data_specs): New static variables.
4598 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4599 ia64_spec_check_src_p): New static functions.
4600 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4601 (TARGET_SCHED_ADJUST_COST): Removed.
4602 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4603 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4604 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4605 TARGET_SCHED_GEN_CHECK,
4606 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4607 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4608 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4609 Fixed to handle speculation checks.
4610 (rtx_needs_barrier): Fixed to handle speculative loads and
4612 (ia64_variable_issue): Added code to count speculative loads and their
4614 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4616 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4618 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4620 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4621 (ia64_reorg): Reset stops_p to NULL after it is freed.
4622 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4623 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4624 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4626 (data_speculative, control_speculative, check_load): New attributes.
4627 (mov<mode>_advanced, mov<mode>_speculative,
4628 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4629 zero_extend<mode>di2_speculative,
4630 zero_extend<mode>di2_speculative_advanced): New patterns for
4631 data and control speculative loads.
4632 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4634 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4635 New pattern for data and control speculation checks.
4636 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4637 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4638 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4639 Auxiliary definitions for the patterns.
4640 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4641 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4643 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4645 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4646 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4647 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4648 New resource constraints.
4649 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4651 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4652 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4653 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4654 msched-in-control-spec, msched-ldc, msched-control-ldc,
4655 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4656 msched-prefer-non-control-spec-insns,
4657 msched-count-spec-in-critical-path): New flags to tune speculative
4659 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4660 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4661 msched-in-control-spec, msched-ldc, msched-control-ldc,
4662 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4663 msched-prefer-non-control-spec-insns,
4664 msched-count-spec-in-critical-path): Document new flags.
4666 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4668 * target.h (struct spec_info_def): New opaque declaration.
4669 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4670 speculate_insn, needs_block_p, gen_check,
4671 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4672 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4673 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4674 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4675 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4676 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4678 (TARGET_SCHED): Use new macros.
4679 * rtl.h (copy_DEPS_LIST_list): New prototype.
4680 * sched-int.h (struct sched_info): Change signature of new_ready field,
4681 adjust all initializations. New fields: add_remove_insn,
4682 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4683 region_head_or_leaf_p.
4684 (struct spec_info_def): New structure declaration.
4685 (spec_info_t): New typedef.
4686 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4687 recovery_block, orig_pat.
4688 (glat_start, glat_end): New variables declaraions.
4689 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4691 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4692 DETACH_LIFE_INFO, USE_GLAT.
4693 (enum SPEC_SCHED_FLAGS): New enumeration.
4694 (NOTE_NOTE_BB_P): New macro.
4695 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4696 attach_life_info, debug_spec_status, check_reg_live): New functions.
4697 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4698 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4700 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4701 * ddg.c (get_block_head_tail): Adjust all uses.
4702 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4703 (sms_sched_info): Initialize new fields.
4704 (contributes_to_priority): Removed.
4705 * haifa-sched.c (params.h): New include.
4706 (get_block_head_tail): Adjust all uses.
4707 (ISSUE_POINTS): New macro.
4708 (glat_start, glat_end): New global variables.
4709 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4710 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4711 old_last_basic_block, before_recovery, current_sched_info_var,
4712 rgn_n_insns, luid): New static variables.
4713 (insn_cost1): New function. Move logic from insn_cost to here.
4714 (find_insn_reg_weight1): New function. Move logic from
4715 find_insn_reg_weight to here.
4716 (reemit_notes, move_insn, max_issue): Change signature.
4717 (move_insn1): Removed.
4718 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4719 extend_bb): New static functions to support extension of scheduler's
4721 (generate_recovery_code, process_insn_depend_be_in_spec,
4722 begin_speculative_block, add_to_speculative_block,
4723 init_before_recovery, create_recovery_block, create_check_block_twin,
4724 fix_recovery_deps): New static functions to support
4725 generation of recovery code.
4726 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4727 restore_bb_notes, move_block_after_check, move_succs): New static
4728 functions to support ebb scheduling.
4729 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4730 functions to support handling of register live information.
4731 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4732 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4733 add_jump_dependencies): New static functions.
4734 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4735 consistancy checking.
4736 (debug_spec_status): New function to call from debugger.
4737 (priority): Added code to handle speculation checks.
4738 (rank_for_schedule): Added code to distinguish speculative instructions.
4739 (schedule_insn): Added code to handle speculation checks.
4740 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4741 Fixed to handle ebbs.
4742 (move_insn): Added code to handle ebb scheduling.
4743 (max_issue): Added code to use ISSUE_POINTS of instructions.
4744 (choose_ready): Added code to choose between speculative and
4745 non-speculative instructions.
4746 (schedule_block): Added code to handle ebb scheduling and scheduling of
4747 speculative instructions.
4748 (sched_init): Initialize new variables.
4749 (sched_finish): Free new variables. Print statistics.
4750 (try_ready): Added code to handle speculative instructions.
4751 * lists.c (copy_DEPS_LIST_list): New function.
4752 * sched-deps.c (extend_dependency_caches): New function. Move logic
4753 from create_dependency_caches to here.
4754 (get_dep_weak, ds_merge): Make global.
4755 * genattr.c (main): Code to output prototype for
4756 dfa_clear_single_insn_cache.
4757 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4758 (output_dfa_clean_insn_cache_func): Code to output
4759 dfa_clear_single_insn_cache function.
4760 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4762 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4764 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4765 New static variables.
4766 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4767 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4769 (ebb_sched_info): Initialize new fields.
4770 (get_block_head_tail): Adjust all uses.
4771 (compute_jump_reg_dependencies): Fixed to use glat_start.
4772 (schedule_ebb): Code to remove unreachable last block.
4773 (schedule_ebbs): Added code to update register live information.
4774 * sched-rgn.c (region_sched_info): Initialize new fields.
4775 (get_block_head_tail): Adjust all uses.
4776 (last_was_jump): Removed. Adjust users.
4777 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4778 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4779 Implement new hooks.
4780 (check_dead_notes1): New static function.
4781 (struct region): New fields: dont_calc_deps, has_real_ebb.
4782 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4783 (BB_TO_BLOCK): Fixed to handle EBBs.
4784 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4785 (ebb_head): New static variable.
4786 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4787 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4789 (compute_dom_prob_ps): New assertion.
4790 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4791 global_live_at_start.
4792 (init_ready_list): New assertions.
4793 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4794 (new_ready): Add support for BEGIN_CONTROL speculation.
4795 (schedule_insns): Fixed code that updates register live information
4797 (schedule_region): Fixed to handle EBBs.
4798 (init_regions): Use extend_regions and check_dead_notes1.
4799 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4800 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4801 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4802 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4803 TARGET_SCHED_GEN_CHECK,
4804 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4805 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4806 * doc/invoke.texi (max-sched-insn-conflict-delay,
4807 sched-spec-prob-cutoff): Document.
4809 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4811 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4812 inter_tick, queue_index.
4813 (struct sched_info): Change signature of init_ready_list field.
4814 Adjust all initializations.
4815 (RESOLVED_DEPS): New access macro.
4816 (ready_add): Remove prototype.
4817 (try_ready): Add prototype.
4818 * sched-rgn.c (init_ready_list): Use try_ready.
4819 (schedule_region): Initialize
4820 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4821 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4822 (init_ready_list): Use try_ready.
4823 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4824 * lists.c (remove_list_elem): Remove `static'.
4825 (remove_free_INSN_LIST_elem): New function.
4826 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4827 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4828 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4830 (readyp): New variable.
4831 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4832 change_queue_index, resolve_dep): New static functions.
4833 (try_ready): New function. Adjust callers in sched-rgn.c and
4834 sched-ebb.c to use it instead of ready_add.
4835 (clock_var): Move at the begining of file.
4836 (rank_for_schedule): Fix typo.
4837 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4838 (ready_lastpos): Enforce assertion.
4839 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4841 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4842 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4843 (queue_to_ready): Use free_INSN_LIST_list.
4844 (early_queue_to_ready): Fix typo.
4845 (schedule_block): Init readyp. Move init_ready_list call after the
4846 initialization of clock_var. Fix error in rejecting insn by
4847 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4848 that previously corrected INSN_TICKs. Add code for handling
4850 (set_priorities): Fix typo.
4851 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4852 Clarify comment and code that keeps current_sched_info->next_tail
4855 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4857 * sched-rgn.c (extend_rgns): New static function.
4858 (find_rgns): Use it.
4859 (gather_region_statistics, print_region_statistics): New static
4861 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4862 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4865 Andrey Belevantsev <abel@ispras.ru>
4867 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4868 * lists.c (unused_deps_list): New variable.
4869 (free_list): Add assertions to verify the proper distinguishing
4870 between INSN_LISTs and DEPS_LISTs.
4871 (find_list_elem, remove_list_elem, remove_list_node): New static
4873 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4874 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4875 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4876 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4878 (free_INSN_LIST_node): Likewise.
4879 * modulo-sched.c (current_sched_info): Initialize flags field.
4880 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4881 * rtl.def (DEPS_LIST): Define.
4882 * rtl.h: Declare new functions from lists.c.
4883 * sched-deps.c (spec_dependency_cache): New static variable.
4884 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4885 (add_dependence): Change return type to void. Move the logic to ...
4886 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4887 (delete_all_dependences): Add comment about forward_dependency_cache.
4888 Handle spec_dependency_cache. Handle DEPS_LISTs.
4889 (fixup_sched_groups): Clarify the change of priority of output
4890 and anti dependencies.
4891 (sched_analyze_2): Adjust add_dependence calls to create data
4892 speculative dependence.
4893 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4894 Adjust all callers. Handle DEPS_LISTS.
4895 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4896 presence of speculation.
4897 (init_dependency_caches, free_dependency_caches):
4898 Handle spec_dependency_cache.
4899 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4900 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4901 New static functions.
4902 (add_or_update_back_dep, add_or_update_back_forw_dep,
4903 add_back_forw_dep, delete_back_forw_dep): New functions.
4904 * sched-int.h (ds_t, dw_t): New typedefs.
4905 (struct sched_info): Add new field flags.
4906 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4907 Prototype new sched-deps.c functions.
4908 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4909 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4910 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4911 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4912 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4913 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4915 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4917 * sched-rgn.c (current_sched_info): Initialize flags field.
4918 (schedule_insns): Initialize current_sched_info before the sched_init
4920 * sched-ebb.c (current_sched_info): Initialize flags field.
4921 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4922 Call add_or_update_back_dep instead of add_dependence.
4923 Create control speculative dependencies.
4924 (schedule_insns): Initialize current_sched_info before the sched_init
4927 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4929 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4931 (sh_fallback_frame_state): Likewise.
4933 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4935 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4936 Do switch on default_use_cxa_atexit.
4937 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4938 * config/darwin-crt3.o: New.
4939 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4940 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4941 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4943 * config/rs6000/t-darwin: Move crt2.o building to here.
4944 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4945 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4948 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4950 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4951 from '! xxx' to '!xxx' for coding-style conformance.
4952 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4953 (EXTRA_CONSTRAINT): Likewise.
4954 * config/vax/vax.md (four unnamed insns): Likewise.
4956 2006-03-15 Paul Brook <paul@codesourcery.com>
4958 * config/arm/arm.c (minipool_pad): New.
4959 (add_minipool_forward_ref): Include pool alignment padding in address
4961 (push_minipool_fix): Set minipool_pad.
4962 (minipool_pad): Ditto.
4964 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4966 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4967 instead of GET_CODE() == MEM and REG_P() instead of
4969 (print_operand_address): Likewise.
4970 (vax_address_cost): Likewise.
4971 (vax_rtx_costs): Likewise.
4972 (vax_notice_update_cc): Likewise.
4973 (vax_output_int_add): Likewise.
4974 (INDEX_REGISTER_P): Likewise.
4975 (BASE_REGISTER_P): Likewise.
4976 (nonindexed_address_p): Likewise.
4977 (vax_mode_dependent_address_p): Likewise.
4978 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4979 (PRINT_OPERAND): Likewise.
4980 * config/vax/vax.md (ashlsi3): Likewise.
4981 (ashlsi3): Likewise.
4982 (some more unnamed insns): Likewise.
4984 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4986 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4987 iterator-style macro.
4988 (mark_control_dependent_edges_necessary): Update the use of
4989 EXECUTE_IF_CONTROL_DEPENDENT.
4991 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4993 * config/sh/predicates.md (cache_address_operand): Special.
4994 (ua_address_operand): Likewise.
4996 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4998 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5000 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5002 2006-03-15 Andreas Schwab <schwab@suse.de>
5004 * gensupport.c (identify_predicable_attribute): Don't free p_false
5005 when it is still in use.
5007 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5009 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5010 the default setting here.
5012 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5014 * tree-pass.h (pass_cfg): Remove.
5015 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5016 * passes.c (pass_cfg): Don't run it.
5018 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5020 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5021 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5023 (stack_regs_mentioned): Update the uses of
5024 stack_regs_mentioned_data. Don't access the array beyond its
5026 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5027 Don't include gt-reg-stack.h.
5029 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5030 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5032 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5035 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5038 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5040 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5042 2006-03-14 Richard Guenther <rguenther@suse.de>
5044 PR tree-optimization/26672
5045 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5048 2006-03-14 Richard Guenther <rguenther@suse.de>
5050 PR tree-optimization/26667
5051 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5052 node for the callees. Always allow inlining if it will shrink
5055 2006-03-14 Richard Guenther <rguenther@suse.de>
5058 * builtins.c (get_pointer_alignment): Prefer alignment
5059 information from decls over that from types.
5061 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5064 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5066 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5068 * config/rs6000/rs6000.opt (mdlmzb): New option.
5069 (msched-prolog, msched-epilog): Use Var not Mask.
5070 * doc/invoke.texi (-mdlmzb): Document.
5071 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5073 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5074 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5076 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5078 PR rtl-optimization/25739
5079 * bt-load.c (augment_live_range): Free tos pointer.
5081 * gensupport.c (identify_predicable_attribute): Free
5083 * gcov.c (create_file_names): Free name pointer.
5085 2006-03-13 Roger Sayle <roger@eyesopen.com>
5088 * stmt.c (emit_case_nodes): Handle the case where the index is a
5089 CONST_INT, where the comparison mode is specified by the index type.
5091 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5093 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5096 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5098 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5099 (*branch_fp_inverted): Likewise.
5101 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5104 * omp-low.c (expand_omp_for_generic): Mark istart0
5105 and iend0 as addressable.
5107 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5109 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5111 2006-03-13 Jeff Law <law@redhat.com>
5113 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5114 virtual operands are interesting.
5115 (vrp_visit_stmt): Corresponding changes.
5117 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5119 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5121 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5122 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5123 * config/bfin/crti.S: Use it instead of __PIC__.
5124 * config/bfin/crtn.S: Likewise.
5126 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5127 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5129 Lose 'G' modifier for call operand.
5130 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5131 recognize 'G' modifier.
5133 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5136 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5137 * stmt.c (expand_case): Likewise.
5139 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5141 PR rtl-optimization/26254
5142 * loop-invariant.c (seq_insns_valid_p): New function.
5143 (move_invariant_reg): Only emit new code if it is valid.
5145 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5147 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5149 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5150 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5151 (commit_one_edge_insertion): Do not look for loop notes.
5153 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5155 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5156 flag_test_coverage out of loop.
5158 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5160 * final.c (shorten_branches): Remove outdated comment, and turn
5161 the if branch that guards it to continue.
5163 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5165 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5166 * cfgloop.h (struct loop): Remove unused fields.
5168 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5170 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5171 (-dL, -fdump-rtl-loop2): Update the dump file names
5173 * doc/invoke.texi: Update dump file names.
5175 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5177 * predict.c (estimate_probability): Remove.
5178 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5179 * basic-block.h (estimate_probability): Remove prototype.
5180 * passes.c (finish_optimization_passes): Dump branch prediction or
5181 profiling heuristics to the .profile tree dump.
5182 (init_optimization_passes): Unqueue pass_branch_prob.
5184 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5186 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5188 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5189 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5191 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5193 * function.h (frame_offset_overflow): Declare.
5194 * function.c (frame_offset_overflow): New function.
5195 (assign_stack_local_1): Call it to detect that the offset overflows.
5196 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5198 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5200 * config/sh/sh.c: Include alloc-pool.h.
5201 (label_ref_list_pool): New alloc pool.
5202 (label_ref_list_t): New type for lists of labels.
5203 (struct pool_node): Make wend a label_ref_list_t.
5204 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5206 (dump_table): Likewise.
5207 (sh_reorg): Set up the alloc pool before using add_constant and
5208 dump_table, and destroy it when finishing.
5210 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5212 * config/mips/mips.c: Remove redundant comment.
5214 2006-03-10 Jason Merrill <jason@redhat.com>
5217 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5218 the target was declared 'register'.
5220 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5222 * genpreds.c (write_insn_constraint_len): Change definition of
5223 insn_constraint_len to return size_t to match the declaration.
5225 2006-03-10 DJ Delorie <dj@redhat.com>
5227 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5229 (m32c_expand_insv): Fix test for an AND mask.
5231 2006-03-10 Richard Guenther <rguenther@suse.de>
5234 * builtins.c (get_pointer_alignment): Handle component
5235 references for field alignment.
5237 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5239 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5240 when building with libgloss.
5241 (sh*elf): Implement --without-fp option.
5242 (sh64-superh-linux*): Don't multilib.
5244 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5246 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5248 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5250 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5251 Set it when one of the replacement functions returned true.
5252 Return TODO_cleanup_cfg if cfgchanged is true.
5253 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5255 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5257 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5258 instead of gen_lowpart.
5260 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5262 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5264 (mips_output_order_conditional_branch): Declare.
5265 * config/mips/mips.h (MIPS_BRANCH): New macro.
5266 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5267 for the comparison. Use gen_condjump.
5268 (mips_output_conditional_branch): Rework interface to take the
5269 asm templates for a direct branch and the inverse of a direct branch.
5270 (mips_output_order_conditional_branch): New function.
5271 (mips_builtin_branch_and_move): New function.
5272 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5273 branch condition. Use gen_single_cc as the condition for
5274 __builtin_mips_upper_* or __builtin_mips_lower_*.
5275 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5276 Use VOIDmode for the branch condition.
5277 * config/mips/predicates.md (order_operator): New predicate.
5278 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5279 (branch_fp): Rename to...
5280 (*branch_fp): ...this. Remove mode from comparison operator.
5281 Use new mips_output_conditional_branch interface.
5282 (branch_fp_inverted): Rename to...
5283 (*branch_fp_inverted): ...this and update as for *branch_fp.
5284 (*branch_zero<mode>): Rename to...
5285 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5286 Use mips_output_order_conditional_branch. Only accept ordered
5288 (*branch_zero<mode>_inverted): Rename to...
5289 (*branch_order<mode>_inverted): ...this and update as for
5290 *branch_order<mode>.
5291 (*branch_equality<mode>): Accept zero as the second operand to
5292 the equality operator. Use the new mips_output_conditional_branch
5294 (*branch_equality<mode>_inverted): Likewise.
5295 (condjump): New expander.
5296 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5298 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5299 (bc1any2t, bc1any2f): Likewise.
5300 (single_cc): New expander.
5301 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5303 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5305 * doc/md.texi: Update documentation of MIPS constraints.
5306 * config/mips/constraints.md: New file.
5307 * config/mips/mips.md: Include it.
5308 * config/mips/mips.c (mips_char_to_class): Delete.
5309 (override_options): Don't initialize mips_char_to_class.
5310 * config/mips/mips.h (mips_char_to_class): Delete.
5311 (REG_CLASS_FROM_LETTER): Delete.
5312 (CONST_OK_FOR_LETTER_P): Delete.
5313 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5314 (EXTRA_CONSTRAINT_Y): Delete.
5315 (EXTRA_CONSTRAINT_STR): Delete.
5316 (CONSTRAINT_LEN): Delete.
5317 (EXTRA_MEMORY_CONSTRAINT): Delete.
5319 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5321 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5322 original fn's eh regions.
5324 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5326 * fold-const.c (build_range_check): Make sure to use a valid type to
5327 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5330 (range_predecessor): New static function.
5331 (range_successor): Likewise.
5332 (merge_ranges): Use them to compute predecessors and successors of
5335 2006-03-09 Roger Sayle <roger@eyesopen.com>
5338 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5339 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5341 2006-03-08 DJ Delorie <dj@redhat.com>
5343 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5344 (addpsi3): Expand to include memory operands. Remove
5345 reload-specific splits.
5346 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5347 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5348 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5349 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5350 (shift1_qi, shift1_hi, insv): New.
5351 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5352 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5353 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5355 * config/m32c/m32c-protos.h: Update as needed.
5356 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5357 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5358 Fail for unrecognized R* constraints.
5359 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5360 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5361 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5363 (m32c_init_libfuncs): New.
5364 (m32c_legitimate_address_p): Add debug wrapper.
5365 (m32c_rtx_costs): New.
5366 (m32c_address_cost): New.
5367 (conversions): Add 'B' prefix.
5368 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5369 operands, or word regnames for QI operands. 'B' prints bit
5371 (m32c_expand_setmemhi): New.
5372 (m32c_expand_movmemhi): New.
5373 (m32c_expand_movstr): New.
5374 (m32c_expand_cmpstr): New.
5375 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5376 (m32c_expand_neg_mulpsi3): Handle non-ints.
5377 (m32c_cmp_flg_0): New.
5378 (m32c_expand_movcc): New.
5379 (m32c_expand_insv): New.
5380 (m32c_scc_pattern): New.
5381 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5382 a0/a1 out of SIregs.
5383 (STORE_FLAG_VALUE): New.
5384 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5387 * config/m32c/mov.md: Make constraints more liberal.
5388 (zero_extendqihi2): Optimize r0/r1 case.
5389 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5390 * config/m32c/predicates.md (m32c_any_operand): New.
5391 (m32c_nonimmediate_operand): New.
5392 (m32c_hl_operand): New.
5393 (m32c_r3_operand): New.
5396 (memsym_operand): New.
5397 (memimmed_operand): New.
5398 (a_qi_operand): New.
5399 (m32c_eqne_operator): New.
5400 (m32c_1bit8_operand): New.
5401 (m32c_1bit16_operand): New.
5402 (m32c_1mask8_operand): New.
5403 (m32c_1mask16_operand): New.
5404 * config/m32c/blkmov.md: New file.
5405 * config/m32c/t-m32c (MD_FILES): Add blkmov.
5407 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
5409 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
5410 unsigned to fix signed/unsigned comparison issue in
5411 DWARF2_FRAME_REG_OUT.
5412 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
5413 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
5415 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
5416 of ptr into the ENABLE_CHECKING section.
5418 2006-03-08 Jeff Law <law@redhat.com>
5420 * tree-vrp.c (infer_value_range): Only count pointer uses
5421 and dereferences if -fdelete-null-pointer-checks is enabled.
5423 * tree-vrp.c (find_assert_locations): Infer value ranges for
5424 single use pointers, but do not create ASSERT_EXPRs for them.
5425 When a non-null range is inferred for a pointer, backwards
5426 propagate that range to other equivalent pointers through the
5429 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
5432 * Makefile.in (dvi, html, install-info): Invoke the corresponding
5433 language hook targets.
5434 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
5435 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
5436 if language hook targets were missing.
5438 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
5440 * tree-ssa-opfinalize.h: Removed.
5441 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
5443 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
5444 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
5445 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
5446 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
5447 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
5448 finalize_ssa_v_must_def_ops): New.
5450 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
5452 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
5455 2006-03-07 Geoffrey Keating <geoffk@apple.com>
5457 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
5459 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
5460 addresses with offsets; reorganize.
5462 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
5463 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
5464 (expand_builtin_init_dwarf_reg_sizes): Likewise.
5466 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
5469 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
5471 2006-03-08 Ben Elliston <bje@au.ibm.com>
5473 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
5475 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
5478 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
5481 2006-03-07 Richard Guenther <rguenther@suse.de>
5483 PR tree-optimization/26587
5484 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5486 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5488 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5490 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5492 * hooks.c (hook_bool_mode_rtx_true): New function.
5493 * hooks.h (hook_bool_mode_rtx_true): Declare.
5494 * toplev.c (compile_file): Call output_shared_constant_pool.
5495 * varasm.c (shared_constant_pool): New variable.
5496 (assemble_start_function, assemble_end_function): Remove arguments
5497 from call to output_constant_pool.
5498 (create_constant_pool): New function, split out from...
5499 (init_varasm_status): ...here.
5500 (force_const_mem): Choose between the shared and per-function constant
5501 pools. Set current_function_uses_const_pool when reusing old entries
5502 as well as when creating new ones.
5503 (mark_constant): Ignore data argument.
5504 (mark_constants): Remove pool argument.
5505 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5506 to decide whether the function uses a constant pool.
5507 (output_constant_pool_contents): New function, split out from...
5508 (output_constant_pool): ...here.
5509 (output_shared_constant_pool): New function.
5510 (init_varasm_once): Initialize shared_constant_pool.
5511 * output.h (output_constant_pool): Delete.
5512 (output_shared_constant_pool): Declare.
5513 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5514 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5516 2006-03-06 Nick Clifton <nickc@redhat.com>
5518 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5519 flag_strength_reduce.
5521 2006-03-06 Ben Elliston <bje@au.ibm.com>
5523 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5524 x86_64-*-linux* configurations.
5526 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5527 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5529 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5531 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5533 * basic-block.h: Remove the extern for
5534 rediscover_loops_after_threading.
5536 * cfgloop.c (cancel_loop): Make it static.
5537 * cfgloop.h: Remove the prototype for cancel_loop.
5539 * flow.c (recompute_reg_usage): Make it static.
5540 * rtl.h: Remove the prototype for recompute_reg_usage.
5542 * function.c (use_return_register): Make it static.
5543 * function.h: Remove the prototype.
5545 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5547 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5549 * recog.h: Remove the prototype for
5550 validate_change_maybe_volatile.
5552 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5554 * rtlanal.c (replace_reg): Remove.
5555 * rtl.h: Remove the prototype for replace_reg.
5557 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5559 * regclass.c (reg_scan_update): Remove.
5560 (reg_scan_mark_refs): Remove the last argument.
5561 * rtl.h: Remove the prototype for reg_scan_update.
5563 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5565 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5566 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5567 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5568 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5569 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5570 loop-invariant.c, omp-low.c, opts.c, passes.c,
5571 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5572 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5573 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5574 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5575 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5576 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5580 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5581 * dwarf2out.h: Remove the prototype for
5582 dwarf2out_add_library_unit_info.
5584 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5586 * tree.c (add_var_to_bind_expr): Remove.
5587 * tree.h: Remove the prototype for add_var_to_bind_expr.
5589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5591 * regclass.c (n_non_fixed_regs): Remove.
5592 (init_reg_sets_1, globalize_reg): Remove all uses of
5594 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5596 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5598 * rtlanal.c (insns_safe_to_move_p): Remove.
5599 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5601 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5603 * expmed.c (expand_mult_add): Remove.
5604 * expr.h: Remove the prototype for expand_mult_add.
5606 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5608 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5609 and REG_SAVED_VAL_EXP constants.
5610 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5611 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5612 Handle regs stored by value.
5613 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5614 (execute_cfa_program): Handle DW_CFA_val_offset,
5615 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5616 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5617 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5618 (uw_install_context_1): Handle target regs stored by value.
5620 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5622 * tree-sra.c (tree_sra): Return todoflags;
5623 (generate_one_element): Set TODO_update_smt_usage if needed.
5624 (pass_sra): Remove TODO_update_smt_usage.
5625 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5627 (tree_ssa_forward_propagate_single_use_vars): Return
5628 TODO_update_smt_usage if we need to update SMT usage.
5629 (pass_forwprop): Remove TODO_update_smt_usage.
5631 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5633 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5634 (correct_use_link): Remove reference to get_stmt_operands.
5635 (update_stmt_operands): Likewise.
5636 (get_modify_expr_operands): New function factored out of
5637 parse_ssa_operands and get_expr_operands.
5638 Try to create V_MUST_DEFs for LHS by default.
5639 (get_expr_operands) <case MODIFY_EXPR>: Call
5640 get_modify_expr_operands.
5641 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5642 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5643 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5644 get_modify_expr_operands.
5646 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5648 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5649 * tree-flow.h: Remove the prototype for
5650 referenced_var_lookup_if_exists.
5652 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5654 PR rtl-optimization/26345
5656 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5658 2006-03-03 Roger Sayle <roger@eyesopen.com>
5660 PR tree-optimization/26524
5661 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5662 fold_convert to create a constant of the appropriate type.
5664 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5666 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5667 SYMBOL_REF_IN_BLOCK_P.
5668 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5669 of SYMBOL_FLAG_IN_BLOCK.
5670 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5671 instead of SYMBOL_REF_IN_BLOCK_P.
5672 * explow.c (use_anchored_address): Likewise.
5673 * rtl.c (rtx_size): Likewise.
5674 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5675 instead of SYMBOL_FLAG_IN_BLOCK.
5676 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5677 SYMBOL_REF_IN_BLOCK_P.
5678 (assemble_variable): Likewise.
5679 (output_constant_def_contents): Likewise.
5680 (output_constant_pool): Likewise.
5681 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5682 instead of SYMBOL_FLAG_IN_BLOCK.
5683 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5684 SYMBOL_REF_IN_BLOCK_P.
5685 (SYMBOL_REF_BLOCK): Likewise.
5686 (SYMBOL_REF_OFFSET): Likewise.
5687 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5688 SYMBOL_REF_IN_BLOCK_P.
5689 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5690 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5691 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5692 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5694 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5696 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5698 2006-03-02 Roger Sayle <roger@eyesopen.com>
5700 * simplify-rtx.c (simplify_unary_operation): When simplifying
5701 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5702 that we perform the right shift in the appropriate mode, and
5703 then extend or truncate the result to requested mode.
5705 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5707 * gengtype.c (main): Handle double_int type.
5708 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5709 * double-int.c: New file.
5710 * double-int.h: New file.
5711 * system.h: Include doubleint.h.
5712 * Makefile.in (SYSTEM_H): Include double-int.h.
5713 (double-int.o): Add.
5715 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5718 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5721 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5723 * tree-vrp.c (remove_range_assertions): Do not update statements
5726 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5728 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5730 * gcse.c (rest_of_handle_gcse): Ditto.
5731 * except.c (gate_handle_eh): Ditto.
5732 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5733 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5735 2006-03-02 Eric Christopher <echristo@apple.com>
5737 * config/i386/i386.c (machopic_output_stub): Add indirection to
5740 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5744 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5746 Sun Niagara specific optimizations.
5747 * config.gcc: Recognize niagara as target.
5748 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5749 (TARGET_CPU_niagara): Define.
5750 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5751 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5752 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5753 (ASM_CPU_SPEC): Likewise.
5754 (PROCESSOR_NIAGARA): New enum entry.
5755 (REGISTER_MOVE_COST): Handle Niagara.
5756 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5757 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5758 (sparc_override_options): Recognize "niagara", set appropriate
5759 default MASK_* values for it, and align functions to 32-bytes
5760 by default just like ULTRASPARC/ULTRASPARC3.
5761 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5762 (sparc64_initialize_trampoline): Likewise.
5763 (sparc_use_sched_lookahead): Use zero for niagara.
5764 (sparc_issue_rate): Use one for niagara.
5765 * config/sparc/niagara.md: New file.
5766 * config/sparc/sparc.md: Include it.
5767 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5768 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5769 when default cpu is niagara.
5770 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5771 (ASM_CPU_SPEC): Likewise.
5772 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5773 when default cpu is niagara.
5774 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5775 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5776 just like v9/ultrasparc/ultrasparc3.
5777 * doc/invoke.texi: Add documentation for "niagara" and improve
5778 existing documentation for ultrasparc variants.
5780 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5782 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5784 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5786 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5787 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5788 and say that only one is needed.
5789 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5790 * target.h (have_switchable_bss_sections): New hook.
5791 * explow.c (use_anchored_address): Check that the symbol is in a block.
5792 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5793 (bss_noswitch_section): New variables.
5794 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5795 (get_noswitch_section): New function.
5796 (get_block_for_section): Allow SECT to be null.
5797 (unlikely_text_section_p): Use SECTION_STYLE.
5798 (bss_initializer_p): New function.
5799 (get_variable_section): Move earlier in file. Take a new argument,
5800 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5801 Return one of the new *_sections in such cases.
5802 (get_block_for_decl): New function, extracting some logic from
5803 use_blocks_for_decl_p.
5804 (change_symbol_section): Remove in favor of...
5805 (change_symbol_block): ...this new function.
5806 (use_blocks_for_decl_p): Remove checks now performed by
5808 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5809 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5810 (emit_local, emit_bss, emit_common): ...these new functions.
5811 Return true if the alignment was honored.
5812 (emit_tls_common): New function.
5813 (asm_emit_uninitialised): Delete.
5814 (assemble_variable_noswitch): New function, split out from...
5815 (assemble_variable): ...here. Don't make decisions about common
5816 variables here. Globalize all public decls that go into non-common
5817 sections. Check whether SYMBOL_REF_BLOCK is null.
5818 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5819 (output_constant_pool): Likewise.
5820 (init_varasm_once): Initialize the new section variables.
5821 (have_global_bss_p): New function.
5822 (categorize_decl_for_section): Use bss_initializer_p.
5823 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5824 (place_block_symbol): Assert that the symbol must be in a block.
5825 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5826 (TARGET_INITIALIZER): Include it.
5827 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5828 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5829 (SECTION_MACH_DEP): Bump by two.
5830 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5831 (unnamed_section): Mention SECTION_UNNAMED in comment.
5832 (named_section): Likewise SECTION_NAMED.
5833 (noswitch_section_callback): New type.
5834 (noswitch_section): New structure.
5835 (section): Add a noswitch_section alternative.
5836 (SECTION_STYLE): New macro.
5837 (tls_comm_section, comm_section, lcomm_section): Declare.
5838 (bss_noswitch_section, have_global_bss_p): Declare.
5839 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5840 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5842 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5843 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5846 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5848 * tree-vrp.c (execute_vrp): Return value.
5849 * regrename.c (rest_of_handle_regrename): Ditto.
5850 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5851 * tree-complex.c (tree_lower_complex): Ditto.
5852 (tree_lower_complex_O0): Ditto.
5853 * tracer.c (rest_of_handle_tracer): Ditto.
5854 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5855 * postreload.c (rest_of_handle_postreload): Ditto.
5856 * tree-tailcall.c (execute_tail_recursion): Ditto.
5857 (execute_tail_calls): Ditto.
5858 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5859 * tree.h (init_function_for_compilation): Ditto.
5860 * ipa-cp.c (ipcp_driver): Ditto.
5861 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5862 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5863 * final.c (compute_alignments): Ditto.
5864 (rest_of_handle_final): Ditto.
5865 (rest_of_handle_shorten_branches): Ditto.
5866 (rest_of_clean_state): Ditto.
5867 * omp-low.c (execute_expand_omp): Ditto.
5868 (execute_lower_omp): Ditto.
5869 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5870 * ipa-reference.c (static_execute): Ditto.
5871 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5872 * reorg.c (rest_of_handle_delay_slots): Ditto.
5873 (rest_of_handle_machine_reorg): Ditto.
5874 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5875 * flow.c (recompute_reg_usage): Ditto.
5876 (rest_of_handle_remove_death_notes): Ditto.
5877 (rest_of_handle_life): Ditto.
5878 (rest_of_handle_flow2): Ditto.
5879 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5880 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5881 (do_ssa_store_ccp): Ditto.
5882 (execute_fold_all_builtins): Ditto.
5883 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5884 * modulo-sched.c (rest_of_handle_sms): Ditto.
5885 * ipa-pure-const.c (static_execute): Ditto.
5886 * cse.c (rest_of_handle_cse): Ditto.
5887 (rest_of_handle_cse2): Ditto.
5888 * web.c (rest_of_handle_web): Ditto.
5889 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5890 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5891 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5892 * tree-nrv.c (tree_nrv): Ditto.
5893 (execute_return_slot_opt): Ditto.
5894 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5895 (create_structure_vars): Ditto.
5896 * loop-init.c (rtl_loop_init): Ditto.
5897 (rtl_loop_done): Ditto.
5898 (rtl_move_loop_invariants): Ditto.
5899 (rtl_unswitch): Ditto.
5900 (rtl_unroll_and_peel_loops): Ditto.
5901 (rtl_doloop): Ditto.
5902 * gimple-low.c (lower_function_body): Ditto.
5903 (mark_used_blocks): Ditto.
5904 * tree-ssa-sink.c (execute_sink_code): Ditto.
5905 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5906 (cgraph_early_inlining): Ditto.
5907 * global.c (rest_of_handle_global_alloc): Ditto.
5908 * jump.c (cleanup_barriers): Ditto.
5909 (purge_line_number_notes): Ditto.
5910 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5911 (rest_of_handle_if_after_reload): Ditto.
5912 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5913 (tree_ssa_loop_im): Ditto.
5914 (tree_ssa_loop_unswitch): Ditto.
5915 (tree_vectorize): Ditto.
5916 (tree_linear_transform): Ditto.
5917 (tree_ssa_loop_ivcanon): Ditto.
5918 (tree_ssa_empty_loop): Ditto.
5919 (tree_ssa_loop_bounds): Ditto.
5920 (tree_complete_unroll): Ditto.
5921 (tree_ssa_loop_prefetch): Ditto.
5922 (tree_ssa_loop_ivopts): Ditto.
5923 (tree_ssa_loop_done): Ditto.
5924 * predict.c (tree_estimate_probability): Ditto.
5925 * recog.c (split_all_insns_noflow): Ditto.
5926 (rest_of_handle_peephole2): Ditto.
5927 (rest_of_handle_split_all_insns): Ditto.
5928 * tree-eh.c (lower_eh_constructs): Ditto.
5929 * regmove.c (rest_of_handle_regmove): Ditto.
5930 (rest_of_handle_stack_adjustments): Ditto.
5931 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5932 * function.c (instantiate_virtual_regs): Ditto.
5933 (init_function_for_compilation): Ditto.
5934 (rest_of_handle_check_leaf_regs): Ditto.
5935 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5936 (rest_of_handle_gcse): Ditto.
5937 * ipa-type-escape.c (type_escape_execute): Ditto.
5938 * alias.c (rest_of_handle_cfg): Ditto.
5939 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5940 * profile.c (rest_of_handle_branch_prob): Ditto.
5941 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5942 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5943 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5944 * tree-dfa.c (find_referenced_vars): Ditto.
5945 * except.c (set_nothrow_function_flags): Ditto.
5946 (convert_to_eh_region_ranges): Ditto.
5947 (rest_of_handle_eh): Ditto.
5948 * emit-rtl.c (unshare_all_rtl): Ditto.
5949 (remove_unnecessary_notes): Ditto.
5950 * except.h (set_nothrow_function_flags): Ditto.
5951 (convert_to_eh_region_ranges): Ditto.
5952 * cfgexpand.c (tree_expand_cfg): Ditto.
5953 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5954 * tree-ssa-pre.c (do_pre): Ditto.
5955 (execute_fre): Ditto.
5956 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5957 (rest_of_handle_jump2): Ditto.
5958 * tree-sra.c (tree_sra): Ditto.
5959 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5960 (execute_mudflap_function_decls): Ditto.
5961 * tree-ssa-copy.c (do_copy_prop): Ditto.
5962 (do_store_copy_prop): Ditto.
5963 * ipa-prop.h (ipcp_driver): Ditto.
5964 * cfglayout.c (insn_locators_initialize): Ditto.
5965 * tree-ssa-forwprop.c
5966 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5967 * cfglayout.h (insn_locators_initialize): Ditto.
5968 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5969 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5970 (execute_late_warn_uninitialized): Ditto.
5971 * rtl.h (cleanup_barriers): Ditto.
5972 (split_all_insns_noflow): Ditto.
5973 (purge_line_number_notes): Ditto.
5974 (unshare_all_rtl): Ditto.
5975 (remove_unnecessary_notes): Ditto.
5976 (recompute_reg_usage): Ditto.
5977 (variable_tracking_main): Ditto.
5978 * integrate.c (emit_initial_value_sets): Ditto.
5979 * integrate.h (emit_initial_value_sets): Ditto.
5980 * tree-optimize.c (execute_free_datastructures): Ditto
5981 (execute_free_cfg_annotations): Ditto.
5982 (execute_fixup_cfg): Ditto.
5983 (execute_cleanup_cfg_pre_ipa): Ditto.
5984 (execute_cleanup_cfg_post_optimizing): Ditto.
5985 (execute_init_datastructures): Ditto.
5986 * tree-object-size.c (compute_object_sizes): Ditto.
5987 * combine.c (rest_of_handle_combine): Ditto.
5988 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5989 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5990 (rest_of_handle_reorder_blocks): Ditto.
5991 (rest_of_handle_partition_blocks): Ditto.
5992 * var-tracking.c (variable_tracking_main): Ditto.
5993 * tree-profile.c (tree_profiling): Ditto.
5994 * tree-vect-generic.c (expand_vector_operations): Ditto.
5995 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5996 * sched-rgn.c (rest_of_handle_sched): Ditto.
5997 (rest_of_handle_sched2): Ditto.
5998 * basic-block.h (free_bb_insn): Ditto.
5999 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6000 * tree-cfg.c (execute_build_cfg): Ditto.
6001 (remove_useless_stmts): Ditto.
6002 (split_critical_edges): Ditto.
6003 (execute_warn_function_return): Ditto.
6004 (execute_warn_function_noreturn): Ditto.
6005 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6006 * cfgrtl.c (free_bb_for_insn): Ditto.
6007 * passes.c (execute_one_pass): Run additional
6008 todos returned by execute function.
6009 * tree-pass.h (struct tree_opt_pass): Make execute
6012 2006-03-02 Richard Guenther <rguenther@suse.de>
6014 * tree-ssa-alias.c (find_used_portions): Consider taking
6015 the address as making the variable not write-only.
6017 2006-03-02 Nick Clifton <nickc@redhat.com>
6019 * config.gcc (default_use_cxa_atexit): Extend the description of
6020 this configure variable. Set its default value to "yes" for
6021 Linux, NetBSD and ELF targets on the assumption that they will
6022 use C libraries with the __cxa_atexit function.
6024 2006-03-02 Ben Elliston <bje@au.ibm.com>
6026 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6027 parameter as unused to suppress a build warning.
6029 2006-03-02 Ben Elliston <bje@au.ibm.com>
6031 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6034 2006-03-01 Roger Sayle <roger@eyesopen.com>
6037 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6038 declared name, the weak reference name, and the typeof name.
6039 (__gthrw): Avoid expanding the declared name suffix.
6040 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6042 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6044 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6046 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6047 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6048 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6049 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6050 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6051 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6052 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6053 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6054 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6055 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6056 (DW_END_default, DW_END_big, DW_END_little): New.
6057 (DW_END_lo_user, DW_END_hi_user): Define.
6058 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6059 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6060 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6063 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6065 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6067 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6069 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6071 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6073 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6074 to 'symbol_mem_tag'.
6076 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6079 2006-03-01 Roger Sayle <roger@eyesopen.com>
6081 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6083 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6086 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6087 MACHO_DYNAMIC_NO_PIC_P.
6088 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6090 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6093 * config/darwin-protos.h (darwin_asm_output_anchor):
6095 * config/darwin-sections.def (cstring_section):
6096 Add SECTION_MERGE to the flags.
6097 (literal4_section): Likewise.
6098 (literal8_section): Likewise.
6099 (objc_selector_refs_section): Likewise.
6100 (objc_cls_refs_section): Likewise.
6101 * config/darwin.c (darwin_asm_output_anchor): New
6103 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6105 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6107 Fix PR tree-optimization/26443
6108 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6109 to todo and PROP_tmt_usage to properties_destroyed.
6110 * tree-ssa-ccp.c (pass_ccp): Ditto.
6111 (pass_store_ccp): Ditto.
6112 * tree-ssa-dom.c (pass_dominator): Ditto.
6114 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6116 * tree-ssa-operands.c: Cleanup whitespace.
6117 (get_asm_expr_operands): Move before first invocation.
6118 (get_indirect_ref_operands): Likewise.
6119 (get_tmr_operands): Likewise.
6120 (get_call_expr_operands): Likewise.
6121 (append_def): Likewise.
6122 (append_use): Likewise.
6123 (append_v_may_def): Likewise.
6124 (append_v_must_def): Likewise.
6125 (add_call_clobber_ops): Likewise.
6126 (add_call_read_ops): Likewise.
6127 (add_stmt_operand): Likewise.
6128 (add_virtual_operand): Likewise.
6129 (build_ssa_operands): Likewise.
6131 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6136 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6137 with a call expr to ...
6138 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6140 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6142 * tree-vrp.c (extract_range_from_assert): Remove special
6143 handling for types with super-types.
6145 2006-03-01 Ben Elliston <bje@au.ibm.com>
6147 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6148 and powerpc64-*-linux* configurations.
6149 * config/t-dfprules: New file.
6151 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6152 Compile dfp-bit.c from the source directory using -DWIDTH and
6153 $DFP_CFLAGS to control the compilation of that file, rather than
6154 generating width-specific versions in the build directory.
6155 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6156 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6158 2006-02-28 Zack Weinberg <zackw@panix.com>
6160 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6163 2006-02-28 Eric Christopher <echristo@apple.com>
6165 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6166 Set up IN_LIBGCC definition of TARGET_64BIT.
6167 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6169 2006-02-28 Roger Sayle <roger@eyesopen.com>
6172 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6173 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6174 cases via the construction of "expr != 0".
6176 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6178 * alias.c (alias_invariant, alias_invariant_size): Remove.
6179 (record_base_value): Remove.
6180 (memrefs_conflict_p): Don't look at alias_invariant.
6181 (end_alias_analysis): Don't free it.
6182 * alias.h (record_base_value): Remove prototype.
6184 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6185 Adam Nemet <anemet@caviumnetworks.com>
6187 * rtl.h (truncated_to_mode): Declare it.
6188 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6189 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6190 (RTL_HOOKS_INITIALIZER): Include it.
6191 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6192 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6193 reg_truncated_to_mode.
6194 * rtlanal.c (truncated_to_mode): Define it.
6195 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6197 2006-02-28 Jeff Law <law@redhat.com>
6199 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6200 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6201 the range allowed by TYPE_PRECISION.
6203 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6205 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6207 PR tree-optimization/26419
6208 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6211 2006-02-27 Zack Weinberg <zackw@panix.com>
6213 * doc/md.texi: Fix typo in previous change.
6215 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6219 2006-02-27 Zack Weinberg <zackw@panix.com>
6221 * rtl.def (define_constraint, define_register_constraint)
6222 (define_memory_constraint, define_address_constraint): New MD forms.
6223 * gensupport.c (process_rtx): Put define_constraint etc on the
6225 * genpreds.c (process_define_predicate): Adjust comment. Validate
6226 the name, and call validate_exp to validate the expression.
6227 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6228 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6229 all callers changed.
6230 (validate_exp, needs_variable, struct constraint_data)
6231 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6232 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6233 (const_dbl_constraints, constraint_max_namelen)
6234 (have_register_constraints, have_memory_constraints)
6235 (have_address_constraints, have_address_constraints)
6236 (have_extra_constraints, have_const_int_constraints)
6237 (have_const_dbl_constraints, mangle, add_constraint)
6238 (process_define_constraint, process_define_register_constraint)
6239 (write_enum_constraint_num, write_lookup_constraint)
6240 (write_insn_constraint_len, write_regclass_for_constraint)
6241 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6242 (write_insn_extra_memory_constraint)
6243 (write_insn_extra_address_constraint)
6244 (write_satisfies_constraint_fns): New.
6245 (write_tm_preds_h): If we have new-style constraint definitions,
6246 prototype the functions generated from them, and define the
6247 old constraint interface (still used by generic code) in terms of
6249 (write_insn_preds_c): If we have new-style constraint definitions,
6250 generate all relevant functions from those definitions.
6251 (main): Handle define_constraint etc.
6252 * genoutput.c (struct constraint_data, indep_constraints)
6253 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6254 (mdep_constraint_len): New data structures and functions, defined
6255 #ifdef USE_MD_CONSTRAINTS.
6256 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6257 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6258 use new logic to validate operand constraints against constraint
6260 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6262 * defaults.h: If none of the old-style constraint macros are
6263 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6264 old-style macros; and poison REG_CLASS_FROM_LETTER,
6265 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6267 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6268 * doc/md.texi: Document new constraint-definition mechanism and the
6269 C interface it provides. Remove references to old mechanism
6270 elsewhere in the document.
6271 (Machine Constraints): Use pathnames relative to gcc directory,
6272 i.e. config/ARCH/FILE. Change i386 section to refer to
6273 config/i386/predicates.md; update that section to match docstrings.
6274 * doc/tm.texi: Move all documentation of the old constraint-
6275 definition macros to their own section, clearly mark as obsolete.
6277 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6278 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6280 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6281 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6282 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6284 (splits and peepholes): Use satisfies_constraint_*.
6285 * config/i386/i386.c (memory_address_length)
6286 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6288 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6290 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6291 scalar operation to be put back into the loop.
6293 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6296 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6297 (extract_cie_info): Handle S flag in augmentation string.
6298 (execute_cfa_program): If context->signal_frame, execute also
6299 fs->pc == context->ra instructions.
6300 (uw_frame_state_for): If context->signal_frame, don't subtract one
6301 from context->ra to find FDE.
6302 (uw_update_context_1): Set context->signal_frame to
6304 (_Unwind_GetIPInfo): New function.
6305 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6306 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6308 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6309 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6310 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6311 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6312 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6313 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6314 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6315 x86_64_fallback_frame_state): Set fs->signal_frame.
6316 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6317 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6318 (frob_update_context): Likewise. Workaround missing S flag in
6319 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6320 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6321 Remove the psw_addr + 1 hack.
6323 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6325 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6326 with aggregates here.
6327 (find_func_aliases): Remove code for &<aggregate> from here.
6329 2006-02-26 Roger Sayle <roger@eyesopen.com>
6331 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6332 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6333 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6336 2006-02-26 Roger Sayle <roger@eyesopen.com>
6339 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6341 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6343 * opts.c (decode_options): Do not handle flag_strength_reduce.
6344 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6345 and OPT_fstrength_reduce.
6346 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6347 flag_prefetch_loop_arrays for being nonzero.
6348 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6350 (fprefetch-loop-arrays-rtl): Removed.
6351 (flag_prefetch_loop_arrays): Do not specify the value.
6353 * doc/passes.texi: Update documentation of loop optimizer
6355 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6356 -frerun-loop-opt): Remove.
6358 2006-02-26 Richard Guenther <rguenther@suse.de>
6360 PR tree-optimization/26421
6361 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6362 in function calls that are ADDR_EXPRs as using the whole structure.
6364 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6366 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6367 * tree-pass.h (pass_loop_optimize): Remove.
6368 * passes.c (pass_loop_optimize): Never run it.
6369 * toplev.c (backend_init): Don't call init_loop.
6370 * opts.c (flag_loop_optimize_set): Remove.
6371 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6372 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6373 the old RTL loop optimizer when profiling enabled.
6374 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6375 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6376 pre-headers for the sake of the old RTL loop optimizer.
6377 * Makefile.in: Remove all references to loop.o.
6379 * doc/invoke.texi: Remove all references to -floop-optimize
6380 and -frerun-loop-opt.
6382 2006-02-26 Zack Weinberg <zackw@panix.com>
6384 * doc/md.texi (Machine Constraints): Refer to all files with paths
6385 relative to gcc directory (i.e. config/CPU/file). Add missing
6386 @table @code ... @end table to M32C subsection.
6388 2006-02-26 Roger Sayle <roger@eyesopen.com>
6390 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6392 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6394 2006-02-26 Roger Sayle <roger@eyesopen.com>
6395 James A. Morrison <phython@gcc.gnu.org>
6398 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
6399 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
6400 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
6401 signedness of the shift operation.
6403 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
6405 PR tree-optimization/26359
6406 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
6408 2006-02-25 Roger Sayle <roger@eyesopen.com>
6410 * simplify-rtx.c (simplify_relational_operation_1): Simplify
6411 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
6412 as X == 0, and some symmetry related transformations.
6413 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
6415 2006-02-25 Roger Sayle <roger@eyesopen.com>
6418 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
6419 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
6420 symmetry related transformations. Fold (X^C1) == C2 as
6423 2006-02-25 Juergen Weigert <jw@suse.de>
6424 Richard Guenther <rguenther@suse.de>
6426 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
6428 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
6430 * combine.c (gen_lowpart_or_truncate): Call
6431 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
6433 2006-02-24 Diego Novillo <dnovillo@redhat.com>
6435 * doc/invoke.texi: Move -fopenmp description to "Options for
6437 Remove reference to -lgomp.
6439 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6441 * doc/install.texi: Require GNU tar version 1.14.
6443 2006-02-24 Geoffrey Keating <geoffk@apple.com>
6445 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
6446 * doc/invoke.texi (C++ Dialect Options): Document
6447 -fno-use-cxa-get-exception-ptr.
6448 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
6449 * configure: Regenerate.
6450 * c.opt (fuse-cxa-get-exception-ptr): New.
6451 * c-opts.c (c_common_handle_option): Handle
6452 OPT_fuse_cxa_get_exception_ptr.
6453 * c-common.c (flag_use_cxa_atexit): Update documentation.
6454 (flag_use_cxa_get_exception_ptr): New.
6455 * c-common.h (flag_use_cxa_get_exception_ptr): New.
6456 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
6458 (C_COMMON_OVERRIDE_OPTIONS): New.
6460 2006-02-24 Roger Sayle <roger@eyesopen.com>
6463 * combine.c (try_combine): Explicitly check whether GET_CODE is
6464 a SET or a CLOBBER, instead on checking that it isn't a USE.
6466 2006-02-24 Roger Sayle <roger@eyesopen.com>
6468 * fold-const.c (fold_comparison): New subroutine of fold_binary
6469 containing transformations common to both the equality and
6470 ordering relational operators, factored out of fold_binary.
6471 (fold_binary): Separate out the equality operators (EQ_EXPR
6472 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
6473 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
6474 transformations common to both.
6475 (fold_div_compare): Fix latent bugs in the previously unreachable
6476 LT_EXPR and GE_EXPR cases.
6478 2006-02-24 David Edelsohn <edelsohn@gnu.org>
6480 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
6481 decl libname for clog to __clog on AIX.
6483 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
6485 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6488 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6489 output traceback table for thunks. Localise rs6000_stack_info call.
6491 2006-02-23 Roger Sayle <roger@eyesopen.com>
6492 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6494 * gthr-posix.h (__gthrw): Fix typo in comment.
6496 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6498 * doc/cpp.texi (Character sets): Document that we do support
6499 input files to be in any character set.
6501 2006-02-23 Jeff Law <law@redhat.com>
6503 * tree.h (PHI_ARG_NONZERO): Remove.
6504 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6505 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6506 node to the new node.
6508 PR tree-optimization/26425
6509 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6510 min/max, then assume its varying.
6512 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6514 PR rtl-optimization/26316
6515 * rtlanal.c (enum may_trap_p_flags): New.
6516 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6517 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6518 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6519 (may_trap_after_code_motion_p): New function.
6520 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6521 (find_invariant_insn): Use may_trap_after_code_motion_p.
6522 * rtl.h (may_trap_after_code_motion_p): Declare.
6524 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6526 * emit-rtl.c (immed_double_const): Cleanup.
6528 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6530 Fix PR tree-optimization/26376
6531 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6534 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6537 * gimplify.c (omp_add_variable): Guard variable size decl test with
6538 DECL_SIZE (decl) check.
6540 2006-02-23 Richard Guenther <rguenther@suse.de>
6543 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6544 like aggregate types.
6546 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6548 * configure.ac: Add --with{,out}-long-double-128 configure option.
6549 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6550 * configure: Rebuilt.
6551 * config.in: Rebuilt.
6552 * doc/install.texi (Options specification): Document
6553 --with-long-double-128.
6555 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6556 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6557 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6558 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6560 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6562 * config/s390/s390.c (override_options): Handle
6563 TARGET_DEFAULT_LONG_DOUBLE_128.
6565 * config/alpha/alpha.c (override_options): Handle
6566 TARGET_DEFAULT_LONG_DOUBLE_128.
6568 * config/sparc/sparc.c (sparc_override_options): Handle
6569 TARGET_DEFAULT_LONG_DOUBLE_128.
6571 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6573 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6574 (real-install-headers-tar, real-install-headers-cpio)
6575 (real-install-headers-cp): New targets.
6577 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6579 * tree.h (variable_section): Delete.
6580 * varasm.c (variable_section): Delete.
6582 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6584 * install.texi: Add notes on install.texi2html.
6585 (Building in parallel): Do not use footnotes.
6587 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6590 * doc/install.texi (Configuration): Document --disable-libgomp.
6592 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6594 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6596 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6598 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6599 (vec_extractv2df_0_sse): New.
6601 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6603 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6604 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6605 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6606 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6607 to the result of the expression.
6608 (def_cfa_1): Adjust.
6609 (frame_pointer_cfa_offset): Rename to...
6610 (frame_pointer_fb_offset): ... this. Adjust all uses.
6611 (convert_cfa_to_loc_list): Rename to...
6612 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6613 Pass it on to build_cfa_loc.
6614 (compute_frame_pointer_to_cfa_displacement): Rename to...
6615 (compute_frame_pointer_to_fb_displacement): ... this. New
6616 offset parameter. Use it in computation.
6617 (gen_subprogram_die): Compute cfa_fb_offset with the new
6618 macro, and use it to compute the fb loc list and the
6621 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6623 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6624 replaced with register_operand.
6625 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6626 non-DREG is expensive.
6627 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6628 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6631 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6633 * doc/install.texi2html: Use set -e.
6635 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6637 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6638 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6639 * doc/invoke.texi (-fshared-data): Delete.
6640 * common.opt (fshared-data): Delete.
6641 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6642 (assemble_static_space): Remove #if 0 code.
6643 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6644 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6645 * config/cris/cris.h: Remove FIXME.
6647 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6649 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6652 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6655 * combine.c (simplify_shift_const_1): Disable nested shifts
6656 optimization for vector shifts.
6658 2006-02-20 Roger Sayle <roger@eyesopen.com>
6660 PR tree-optimization/26361
6661 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6662 of unsigned integer types.
6664 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6666 * tree-chrec.c (eq_evolutions_p): New.
6667 * tree-chrec.h (eq_evolutions_p): Declared.
6668 * tree-data-ref.c: Fix formatting.
6669 (datadep_stats, dependence_stats): New.
6671 (print_direction_vector): New.
6672 (dump_data_dependence_relation): Use print_direction_vector.
6673 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6674 (compute_subscript_distance): Static.
6675 (initialize_data_dependence_relation): Static. Get the number
6676 of loops surrounding the references from the callers, and initialize
6677 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6678 base_object_differ_p analyzers.
6679 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6680 compute_overlap_steps_for_affine_1_2,
6681 analyze_subscript_affine_affine): Count the classified dependences.
6682 Print a message when a test failed.
6683 (can_use_analyze_subscript_affine_affine): New.
6684 (analyze_siv_subscript): Compute the data dependences on symbolic
6685 scevs that verify can_use_analyze_subscript_affine_affine.
6686 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6687 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6688 Handle symbolic scevs.
6689 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6691 (subscript_dependence_tester): Moved...
6692 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6693 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6694 DDR_SIZE_VECT instead of getting it in parameter.
6695 (subscript_dependence_tester): ... here. Take as a parameter
6696 loop_nest_depth. Call build_classic_dist_vector and
6697 build_classic_dir_vector.
6698 (compute_affine_dependence): Update subscript_dependence_tester
6699 parameters. Update datadep_stats counters. Call
6700 compute_subscript_distance.
6701 (compute_self_dependence): Save the dist and dir vectors. Call
6702 compute_subscript_distance.
6703 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6704 (compute_all_dependences): Reorder parameters as they were before
6705 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6706 compute_subscript_distance. Update the use of
6707 compute_affine_dependence and initialize_data_dependence_relation.
6708 (find_data_references_in_loop): Handle COMPONENT_REF.
6709 (compute_data_dependences_for_loop): Initialize dependence_stats.
6710 Don't call build_classic_dist_vector and build_classic_dir_vector.
6711 Update the parameters of initialize_data_dependence_relation and
6712 compute_all_dependences. Print the statistics from datadep_stats.
6713 (analyze_all_data_dependences): Static. Not used until the pass for
6714 checking the data dependences is contributed.
6715 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6716 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6717 (initialize_data_dependence_relation, compute_affine_dependence,
6718 analyze_all_data_dependences, compute_subscript_distance): Removed.
6719 (print_direction_vector): New.
6720 * lambda.h (gcd): ... here.
6721 (lambda_vector_gcd): Moved here from gcd_vector.
6722 * lambda-code.c (gcd, gcd_vector): Removed.
6723 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6724 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6726 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6728 * ipa-type-escape.c: Tidy some comments and white space.
6729 * tree-ssa-operands.c: Likewise.
6731 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6734 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6735 (dump_decl_name): Do not walk the decl tree chains.
6736 * tree-pass.h (TDF_CHAIN): Remove.
6738 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6740 * Makefile.in (C): Remove
6742 (.PHONY): Remove C and PROTO
6744 2006-02-20 Roger Sayle <roger@eyesopen.com>
6747 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6748 deprecated CHAR_TYPE tree code.
6750 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6752 * configure.ac (target_list): Add install-info, dvi, html.
6753 * configure: Regenerate.
6755 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6756 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6757 treelang/Make-lang.in: Do not use double-colon rules.
6759 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6761 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6762 (TMT_USED_ALONE): New macro.
6763 * tree-pass.h (PROP_tmt_usage): New property.
6764 (TODO_update_tmt_usage): New todo.
6765 * tree-ssa-alias.c (updating_used_alone): New variable.
6766 (recalculate_used_alone): New function.
6767 (compute_may_aliases): Set updating_used_alone, call
6768 recalculate_used_alone.
6769 * tree-sra.c (pass_sra): Note that this pass destroys
6770 PROP_tmt_usage, and add TODO_update_tmt_usage.
6771 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6772 * tree-flow.h (updating_used_alone): Prototype.
6773 (recalculate_used_alone): Ditto.
6774 * passes.c (execute_todo): Add code to set updating_used_alone,
6775 and call recalculate.
6776 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6777 for clobber if used alone, and add assert to verify used_alone
6780 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6782 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6783 for non tls symbols added.
6784 (legitimize_address): Do nothing for PLUS expressions if one of the
6785 addends is a tls symbol reference.
6787 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6791 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6793 * Makefile.in (BOOTSTRAPPING): New.
6794 (quickstrap): New definition if BOOTSTRAPPING=yes.
6796 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6797 * configure.ac: Substitute all_selected_languages with the languages
6798 that were configured. For all the other variables except
6799 lang_specs_files, include all the languages in the tree.
6800 * configure: Regenerate.
6802 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6803 if there is one. Run the commands to run fixincludes in the same
6806 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6807 * doc/install.texi: Document exact conventions for searching target tools.
6808 Document --with-build-time-tools. Document toplevel bootstrap. Document
6809 something more about building an Ada cross-compiler. Don't list GNU Make
6810 requirements which affect all platforms.
6812 2006-02-19 Roger Sayle <roger@eyesopen.com>
6815 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6816 only equivalent if the have both the same mode and precision.
6818 2006-02-20 Ben Elliston <bje@au.ibm.com>
6820 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6822 2006-02-19 Roger Sayle <roger@eyesopen.com>
6823 Steven Bosscher <stevenb.gcc@gmail.com>
6825 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6826 constant pool references to identify stack mode constants.
6827 * rtlanal.c (constant_pool_constant_p): New predicate to check
6828 whether operand is a floating point constant in the pool.
6829 * rtl.h (constant_pool_constant_p): Prototype here.
6830 * loop.c (scan_loop): Avoid hoisting constants from the constant
6831 pool on STACK_REGS targets.
6832 (load_mems): Likewise.
6833 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6834 loads into x87 registers expensive in terms of register pressure.
6836 2006-02-19 Roger Sayle <roger@eyesopen.com>
6838 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6839 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6841 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6843 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6844 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6846 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6848 * doc/invoke.texi: Document -fipa-pta.
6849 * common.opt: Add ipa-pta option.
6850 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6851 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6852 (do_ds_constraint): Ditto.
6853 (get_constraint_for): Only add to referenced_vars if
6854 referenced_vars exists.
6855 (insert_into_field_list): Rewrite to do this unsorted.
6856 (insert_into_field_list_sorted): Rename old insert_into_field_list
6858 (create_function_info_for): Use insert_into_field_list_sorted.
6859 (create_variable_info_for): Rewrite so it uses unsorted version,
6860 since the field list is sorted.
6861 (intra_create_variable_infos): Only add to referenced_vars if
6862 referenced_vars exists.
6863 (ipa_pta_execute): Init heapvars, and delete when done.
6864 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6866 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6868 * doc/install.texi: Add missing `@samp'.
6870 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6872 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6875 2006-02-18 Mark Wielaard <mark@klomp.org>
6877 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6878 who added new 4.1 features, bug fixes and integration support.
6880 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6883 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6886 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6888 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6889 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6890 (copy_insn_1): Likewise. Don't copy each field individually.
6892 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6894 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6895 * rtl.c (rtx_size): Rename variable to...
6896 (rtx_code_size): ...this.
6897 (rtx_size): New function.
6898 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6899 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6901 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6902 * rtl.h (rtx_code_size): New variable.
6903 (rtx_size): Change from a variable to a function.
6904 (RTX_SIZE): Rename to...
6905 (RTX_CODE_SIZE): ...this.
6908 PR tree-optimization/17106
6909 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6910 (Anchored Addresses): New section.
6911 * doc/invoke.texi (-fsection-anchors): Document.
6912 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6913 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6914 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6915 * hooks.c (hook_bool_mode_rtx_false): New function.
6916 * hooks.h (hook_bool_mode_rtx_false): Declare.
6917 * gengtype.c (create_optional_field): New function.
6918 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6919 SYMBOL_REF_IN_BLOCK_P is true.
6920 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6921 (min_anchor_offset, max_anchor_offset): Likewise.
6922 (use_anchors_for_symbol_p): New hook.
6923 * toplev.c (compile_file): Call output_object_blocks.
6924 (target_supports_section_anchors_p): New function.
6925 (process_options): Check that -fsection-anchors is only used on
6926 targets that support it and when -funit-at-a-time is in effect.
6927 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6928 if the decl doesn't have one.
6929 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6930 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6931 of force_const_mem through use_anchored_address.
6932 (expand_expr_constant): New function.
6933 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6934 calling expand_expr for INDIRECT_REF.
6935 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6936 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6937 * expr.h (use_anchored_address): Declare.
6938 * loop-unroll.c: Don't declare rtx vectors here.
6939 * explow.c: Include output.h.
6940 (validize_mem): Call use_anchored_address.
6941 (use_anchored_address): New function.
6942 * common.opt (-fsection-anchors): New switch.
6943 * varasm.c (object_block_htab, anchor_labelno): New variables.
6944 (hash_section, object_block_entry_eq, object_block_entry_hash)
6945 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6946 (use_blocks_for_decl_p, change_symbol_section): New functions.
6947 (get_variable_section): New function, split out from assemble_variable.
6948 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6949 use_blocks_for_decl_p say so. Use change_symbol_section if the
6950 symbol has already been created.
6951 (assemble_variable_contents): New function, split out from...
6952 (assemble_variable): ...here. Don't output any code for
6953 block symbols; just pass them to place_block_symbol.
6954 Use get_variable_section and assemble_variable_contents.
6955 (get_constant_alignment, get_constant_section, get_constant_size): New
6956 functions, split from output_constant_def_contents.
6957 (build_constant_desc): Create a block symbol if use_object_blocks_p
6958 says so. Or into SYMBOL_REF_FLAGS.
6959 (assemble_constant_contents): New function, split from...
6960 (output_constant_def_contents): ...here. Don't output any code
6961 for block symbols; just pass them to place_section_symbol.
6962 Use get_constant_section and get_constant_alignment.
6963 (force_const_mem): Create a block symbol if use_object_blocks_p and
6964 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6965 (output_constant_pool_1): Add an explicit alignment argument.
6966 Don't switch sections here.
6967 (output_constant_pool): Adjust call to output_constant_pool_1.
6968 Switch sections here instead. Don't output anything for block symbols;
6969 just pass them to place_block_symbol.
6970 (init_varasm_once): Initialize object_block_htab.
6971 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6972 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6973 (place_block_symbol, get_section_anchor, output_object_block)
6974 (output_object_block_htab, output_object_blocks): New functions.
6975 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6976 (TARGET_ASM_OUT): Include it.
6977 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6978 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6979 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6980 (TARGET_INITIALIZER): Include them.
6981 * rtl.c (rtl_check_failed_block_symbol): New function.
6982 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6983 (block_symbol, object_block): New structures.
6984 (rtx_def): Add a block_symbol field to the union.
6985 (BLOCK_SYMBOL_CHECK): New macro.
6986 (rtl_check_failed_block_symbol): Declare.
6987 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6988 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6989 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6990 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6991 * output.h (output_section_symbols): Declare.
6992 (object_block): Name structure.
6993 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6994 (default_use_anchors_for_symbol_p): Declare.
6995 * Makefile.in (RTL_BASE_H): Add vec.h.
6996 (explow.o): Depend on output.h.
6997 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6998 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6999 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7000 (rs6000_use_blocks_for_constant_p): New function.
7002 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7004 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7006 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7009 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7012 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7014 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7018 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7021 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7022 instead of DECL_REGISTER.
7024 2006-02-18 Olivier Hainque <hainque@adacore.com>
7027 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7029 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7032 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7033 * opth-gen.awk: Handle Var and InverseMask together.
7034 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7035 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7036 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7037 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7039 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7040 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7041 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7042 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7043 LINUX_DYNAMIC_LINKER): Define.
7044 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7045 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7047 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7048 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7049 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7051 (TARGET_C99_FUNCTIONS): Don't define.
7052 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7053 GLIBC_DYNAMIC_LINKER.
7054 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7055 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7056 GLIBC_DYNAMIC_LINKER64): Define.
7057 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7058 LINUX_DYNAMIC_LINKER64.
7059 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7061 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7063 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7065 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7066 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7067 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7069 and LINUX_DYNAMIC_LINKER32.
7070 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7071 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7072 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7074 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7076 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7077 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7078 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7079 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7080 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7081 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7082 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7083 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7084 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7085 LINUX_DYNAMIC_LINKER): Define.
7086 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7087 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7088 GLIBC_DYNAMIC_LINKER64): Define.
7089 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7090 LINUX_DYNAMIC_LINKER64.
7091 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7092 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7093 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7094 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7095 LINUX_DYNAMIC_LINKER): Define.
7096 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7097 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7098 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7099 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7100 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7101 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7102 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7103 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7104 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7105 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7107 * doc/invoke.texi (-muclibc): Remove caveat about supported
7110 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7112 * doc/cpp.texi (__TIMESTAMP__): Document.
7114 2006-02-17 Roger Sayle <roger@eyesopen.com>
7117 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7118 C is one less than the width of X (and related transformations).
7119 * simplify-rtx.c (simplify_unary_operation_1): Transform
7120 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7121 depending on STORE_FLAG_VALUE, were C is one less then the
7124 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7126 Fix PR tree-optimization/26341
7127 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7128 about NAME_MEMORY_TAG's.
7130 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7133 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7134 with hardware float support, and software float support. Add fcpy
7135 alternative to hardware patterns. Add alternatives to copy between
7136 general and floating-point registers to the 32-bit pattern.
7137 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7138 secondary reload to load a QI or HI mode constant into a floating
7140 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7141 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7143 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7146 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7148 (load_macho_picbase_di): Likewise.
7150 2006-02-16 Jeff Law <law@redhat.com>
7152 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7153 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7154 (ssa_name_nonzero_p): Likewise.
7155 (get_value_range): Return NULL if VRP is not running.
7156 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7157 VRP routines do not discover a range.
7158 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7159 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7160 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7161 (tree_expr_nonnegative_p): Similarly.
7162 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7163 (restore_nonzero_vars_to_original_value): Remove.
7164 (unsafe_associative_fp_binop): Remove.
7165 (tree_ssa_dominator_optimize): Remove initialization and
7166 finalization of nonzero_vars and nonzero_vars_stack.
7167 (dom_opt_initialize_block): No longer push marker on
7169 (dom_opt_finalize_block): No longer call
7170 restore_nonzero_vars_to_original_value.
7171 (record_equivalences_from_phis): No longer look for
7172 nonzero PHI arguments.
7173 (cprop_into_successor_phis): No longer propagate nonzero
7174 property into PHI arguments. Lose unused argument. Caller
7176 (record_equivalences_from_stmt): No longer record nonzero
7177 values for SSA_NAMEs.
7178 (lookup_avail_expr): No longer use nonzero_vars.
7180 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7181 for sizetype when sizetype is unsigned.
7183 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7185 PR rtl-optimization/25603
7186 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7187 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7188 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7189 with new meaning of SETS.
7191 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7196 * config/linux.opt: New file.
7197 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7198 LINUX_DYNAMIC_LINKER): Define.
7199 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7200 * config.gcc (*-*-linux*): Define extra_options.
7201 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7202 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7203 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7204 GLIBC_DYNAMIC_LINKER.
7205 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7206 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7207 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7209 * doc/invoke.texi (GNU/Linux Options): New section.
7211 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7213 * config/sparc/sparc.md (setjmp): Rewrite.
7214 (setjmp_32): Delete.
7215 (setjmp_64): Likewise.
7217 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7219 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7222 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7224 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7227 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7229 PR rtl-optimization/26296
7230 * Makefile.in (loop-invariant.c): Add except.h dependency.
7231 * loop-invariant.c: Include except.h.
7232 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7234 2005-02-16 Paul Brook <paul@codesourcery.com>
7236 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7239 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7241 PR rtl-optimization/25636
7242 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7243 when deciding whether an insn is an initializing insn.
7245 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7247 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7248 (tree_code_size): Ditto.
7249 * tree.h (struct tree_memory_tag): Remove parent_var.
7250 (struct tree_struct_field_tag): New.
7253 (union tree_node): Add sft member.
7254 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7256 (create_sft): Add size and offset argument, set SFT_OFFSET and
7258 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7259 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7260 * tree-flow-inline.h (get_subvar_at): Update for
7261 SFT_OFFSET/SFT_SIZE.
7262 (var_can_have_subvars): Ditto.
7263 (overlap_subvar): Ditto.
7264 * print-tree.c (print_node): Print out interesting things for
7266 * tree-flow.h (struct subvar): Remove offset and size members.
7267 * tree-ssa-operands.c (get_expr_operands): Update for
7268 get_indirect_ref_operands changes.
7269 (get_indirect_ref_operands): Call add_virtual_operand instead of
7270 add_stmt_operand. Only recurse on base var if requested.
7271 (access_can_touch_variable): New function.
7272 (add_stmt_operand): Split virtual operand handling into ...
7273 (add_virtual_operand): Here. Add offset, size, and for_clobber
7274 arguments. Prune alias sets.
7275 (add_call_clobber_ops): Call add_virtual_operand.
7277 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7280 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7282 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7283 than TREE_CODE as index into omp_clause_num_ops array.
7285 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7287 PR rtl-optimization/26184
7288 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7290 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7291 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7292 must_precede, must_follow and tobe_scheduled.
7295 * opts.c (common_handle_option): Free new_option pointer.
7296 * df-core.c (df_analyze): Free postorder pointer.
7298 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7300 * Makefile.in: Fix the examples about the use of stamps
7302 2006-02-15 Michael Matz <matz@suse.de>
7306 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7307 influenced by maximum_field_alignment or DECL_PACKED.
7308 (update_alignment_for_field): Ditto.
7309 (place_field): Ditto.
7310 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7313 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7315 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7316 (debug_flow_info): Pass it.
7317 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7318 * bb-reorder.c (reorder_basic_blocks): Likewise.
7319 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7320 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7321 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7322 * gcse.c (gcse_main, bypass_jumps): Likewise.
7323 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7324 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7325 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7326 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7327 * rtl.h (dump_flow_info): Adjust prototype.
7328 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7329 * var-tracking.c (variable_tracking_main): Likewise.
7330 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7331 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7334 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7336 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7339 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7341 PR tree-optimization/26209
7342 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7343 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7345 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7347 2006-02-14 Roger Sayle <roger@eyesopen.com>
7350 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7351 (X,Y) and the corresponding symmetry related transformations.
7352 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7353 (X,Y) and its symmetry related transformations.
7355 2006-02-14 Roger Sayle <roger@eyesopen.com>
7357 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7360 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7362 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7364 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7367 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7368 support COMDAT group.
7369 * configure: Regenerate.
7371 2006-02-14 Roger Sayle <roger@eyesopen.com>
7376 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7378 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7380 Fix PR tree-optimization/26260
7382 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7384 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7385 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7386 * tree-ssa-structalias.c (create_variable_info_for): Use
7387 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7389 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7391 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7393 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7394 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7395 of the ending condition.
7396 * tree-ssa-loop-manip.c: Include params.h.
7397 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
7398 tree_unroll_loop): New functions.
7399 * tree-pass.h (pass_loop_prefetch): Declare.
7400 * loop.c (rest_of_handle_loop_optimize): Test for
7401 -fprefetch-loop-arrays-rtl.
7402 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
7403 * timevar.def (TV_TREE_PREFETCH): New timevar.
7404 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
7405 pass_loop_prefetch): New.
7406 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
7407 (cleanup_tree_cfg_loop): Call scev_reset.
7408 * common.opt (fprefetch-loop-arrays-rtl): Add.
7409 * tree-ssa-loop-prefetch.c: New file.
7410 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
7411 (new_temp_expr_table): Initialize expr_vars.
7412 (free_temp_expr_table): Cleanup expr_vars.
7413 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
7414 expressions from being merged into one.
7415 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
7416 (struct tree_niter_desc): Add control, bound and cmp fields.
7417 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
7419 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
7420 (tree-cfgcleanup.o): Add SCEV_H dependency.
7421 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
7422 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
7424 2006-02-14 Richard Guenther <rguenther@suse.de>
7426 PR tree-optimization/26258
7427 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
7428 in PHI argument processing.
7430 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
7432 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
7433 new expression in the requested machine mode.
7435 2006-02-13 Roger Sayle <roger@eyesopen.com>
7437 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
7438 directly, instead let do_compare_rtx_and_jump handle this for us.
7439 * expr.c (expand_expr_real_1): Likewise.
7440 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
7441 before do_jump_by_parts_greater.
7442 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
7443 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
7445 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7447 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
7449 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7451 PR rtl-optimization/26235
7452 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
7453 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
7456 2006-02-13 Jeff Law <law@redhat.com>
7458 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
7461 2006-02-13 Jakub Jelinek <jakub@redhat.com>
7464 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
7465 twice if decl is a builtin. When trying again, call get_callee_fndecl
7466 first to verify it is still a builtin.
7468 2006-02-13 Geoffrey Keating <geoffk@apple.com>
7470 * dwarf2out.c (base_type_die): Don't add AT_name here.
7471 (subrange_type_die): Don't add AT_name here.
7472 (modified_type_die): Rearrange code flow. Do add AT_name here.
7474 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
7476 PR rtl-optimization/26247
7477 PR rtl-optimization/26248
7478 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
7480 2006-02-13 Richard Sandiford <richard@codesourcery.com>
7482 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
7483 * config/fixtfdi.c: Likewise.
7484 * config/fixunstfdi.c: Likewise.
7485 * config/floatditf.c: Likewise.
7487 2006-02-13 Roger Sayle <roger@eyesopen.com>
7490 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7491 into (X,C2) if C1 is a subset of the bits of C2. Transform
7492 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7494 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7496 2006-02-13 Josh Conner <jconner@apple.com>
7499 * varasm.c (function_section): Check for section name before
7500 calling select_section on targets that define
7501 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7502 unlikely_text_section instead of hot_function_section if
7503 first_function_block_is_cold.
7505 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7508 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7510 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7512 PR rtl-optimization/26222
7513 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7514 after tree->rtl expansion.
7515 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7516 before passing it to emit_move_insn.
7518 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7520 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7522 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7523 Clarify documentation.
7524 * c-common.h (warn_write_strings): Remove.
7525 * c-common.c (warn_write_strings): Likewise.
7526 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7529 2006-02-12 Roger Sayle <roger@eyesopen.com>
7532 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7533 (do_jump_parts_zero_rtx): New function renamed from
7534 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7535 (do_jump_parts_equality_rtx): New function split out from
7536 do_jump_parts_equality. Old implementation renamed as above.
7537 Call do_jump_parts_zero_rtx if either operand is zero.
7538 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7539 do all of the heavy lifting.
7540 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7541 calling either do_jump_by_parts_greater_rtx or
7542 do_jump_by_parts_equality_rtx.
7543 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7544 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7545 moved to do_compare_rtx_and_jump, call it directly.
7546 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7547 mode argument. Call do_compare_rtx_and_jump.
7548 (emit_case_nodes): Update calls to do_jump_if_equal.
7550 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7552 PR rtl-optimization/26225
7553 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7555 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7557 PR rtl-optimization/26232
7558 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7560 2006-02-11 Jason Merrill <jason@redhat.com>
7563 * tree-inline.c (declare_return_variable): Just don't use the
7564 modify target if it's a gimple complex reg and the return slot
7567 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7569 * doc/contrib.texi: Update my entry.
7571 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7573 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7575 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7577 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7580 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7582 * doc/invoke.texi (-floop-optimize2): Removed.
7583 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7584 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7585 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7586 * common.opt (floop-optimize2): Removed.
7587 (fmove-loop-invariants): Enabled by default.
7589 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7591 * tree-if-conv.c (combine_blocks): Free the result of
7592 get_loop_exit_edges.
7594 2006-02-10 Jeff Law <law@redhat.com>
7596 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7598 PR tree-optimization/26213
7599 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7600 loop trying to follow SSA_NAME_VALUE chains.
7602 2006-02-10 Richard Guenther <rguenther@suse.de>
7604 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7605 deal with structures that end in implicitly variable sized arrays.
7607 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7609 PR rtl-optimization/24762
7610 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7613 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7615 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7616 (struct ivopts_data): Add regs_used field.
7617 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7618 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7619 instead of loop_data->regs_used;
7620 (free_loop_data): Do not free aux fields for loops.
7621 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7622 and tree_ssa_iv_optimize_finalize.
7624 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7626 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7628 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7631 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7632 computing the effective result type.
7634 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7637 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7638 (tree_overlaps_hard_reg_set): Declare.
7639 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7640 type and signature to match function type expected by walk_tree.
7641 (tree_overlaps_hard_reg_set): New function.
7642 (decl_conflicts_with_clobbers_p): Rename to:
7643 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7644 Use tree_overlaps_hard_reg_set. Changed caller.
7645 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7646 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7647 * cris.c (cris_md_asm_clobbers): Likewise.
7649 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7651 * reload1.c (emit_input_reload_insns): Delete code that tries to
7652 inherit using find_equiv_reg.
7654 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7656 * c-common.h (flag_const_strings): Don't declare.
7657 * c-common.c (flag_const_strings): Remove.
7658 * c.opt (fconst_strings): Remove.
7659 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7660 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7661 (c_common_init_options): Don't set flag_const_strings.
7662 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7664 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7666 * arm.md (tlobits_cbranch): New pattern.
7667 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7668 testing a single bit.
7670 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7673 * tree-ssa-pre.c (create_component_ref_by_pieces):
7674 Handle RETURN_DECL like VAR_DECL.
7676 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7679 * fold-const.c (fold_indirect_ref_1): Fold
7680 "*(foo *)&complexfoo" to "__real__ complexfoo"
7681 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7683 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7685 * tree-flow-inline.h (var_can_have_subvars):
7686 Volatile variables should not have subvariables.
7688 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7691 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7692 multiplying unsigned values.
7695 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7697 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7699 2006-02-08 Jason Merrill <jason@redhat.com>
7702 * tree.def: Elaborate on difference from MODIFY_EXPR.
7703 * doc/c-tree.texi (INIT_EXPR): Likewise.
7704 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7705 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7706 (gimplify_target_expr): Likewise.
7707 (gimplify_cond_expr): Remove target handling.
7708 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7709 (gimplify_expr): Clobber it here.
7710 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7711 Do return slot optimization if we have an INIT_EXPR.
7714 * tree-inline.c (declare_return_variable): Also clear
7715 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7718 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7721 * gimplify.c (gimplify_one_sizepos): Fix typo.
7723 2006-02-08 Jeff Law <law@redhat.com>
7725 PR tree-optimization/21417
7726 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7727 across a backedge if the control statement at the end of the
7728 block is data dependent on other statements in the same block.
7729 (record_temporary_equivalences_from_stmts): Remove over-conservative
7730 test for threading across backedges.
7732 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7733 control statement, handle all three special cases in the same
7734 manner as they all have the same desired solution. No longer
7735 special case edge flag updating when the post dominator is
7738 2006-02-08 Roger Sayle <roger@eyesopen.com>
7740 * tree.def (CHAR_TYPE): Remove.
7741 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7742 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7743 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7744 (gen_string_type_die): Delete unreachable function.
7746 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7747 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7748 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7749 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7750 * builtins.c (type_to_class): Likewise.
7751 * fold-const.c (fold_convert, build_range_check,
7752 merge_ranges): Likewise.
7753 * expr.c (count_type_elements): Likewise.
7754 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7755 * stor-layout.c (layout_type): Likewise.
7756 * ipa-type-escape.c (type_to_consider): Likewise.
7757 * gimplify.c (omp_firstprivatize_type_sizes,
7758 gimplify_type_sizes): Likewise.
7759 * explow.c (promote_mode): Likewise.
7760 * tree-sra.c (is_sra_scalar_type): Likewise.
7761 * varasm.c (output_constant): Likewise.
7762 * tree-inline.c (remap_type_1): Likewise.
7763 * convert.c (convert_to_pointer, convert_to_real,
7764 convert_to_integer, convert_to_complex): Likewise.
7766 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7768 * df-scan.c (df_def_record_1): A set destination may
7769 be a parallel regardless of mode.
7771 2006-02-08 Roger Sayle <roger@eyesopen.com>
7774 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7775 * config/mips/_tilib.c: Remove.
7776 * config/fixtfdi.c: New libgcc source file.
7777 * config/fixunstfdi.c: New source file.
7778 * config/floatditf.c: New source file.
7779 * config/floatunditf.c: New souce file.
7780 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7781 files above instead of config/mips/_tilib.c.
7782 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7784 2006-02-08 Jeff Law <law@redhat.com>
7786 PR tree-optimization/26169
7787 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7790 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7792 * df.h (DF_REG_SIZE): Return the length of the initialized
7795 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7797 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7798 __muldf3): Return a correctly signed zero.
7800 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7802 * passes.c (register_one_dump_file): Accept the current properties
7803 instead of pass number. Adjust call to dump_register. Remove
7805 (register_dump_files): Now a wrapper around...
7806 (register_dump_files_1): ... this one. Do not modify the pass
7808 (next_pass_1): Cosmetic fix.
7809 (execute_todo): Keep second parameter only. Use curr_properties
7810 instead of fetching it from the pass structure. Check and set
7812 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7813 instead of fetching it from the pass structure. Fix calls to
7814 execute_todo. Update curr_properties and initialize .vcg RTL dump
7815 after running the pass. Reset last_verified.
7816 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7818 (FIRST_AUTO_NUMBERED_DUMP): New.
7819 (dump_register): Remove "num" parameter, assign it within the
7821 (get_dump_file_name): Modify template for dumps.
7822 * tree-dump.h (dump_register): Adjust prototype.
7823 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7824 (PROP_trees): Add PROP_gimple_lomp.
7825 (TODO_set_props): New.
7826 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7827 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7828 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7830 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7832 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7833 (sparc64-*-linux*): Likewise.
7834 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7835 * config/sparc/t-linux: New file.
7836 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7837 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7838 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7839 -m32 -mlong-double-128.
7841 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7842 * config/alpha/t-linux: New file.
7843 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7845 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7846 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7847 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7848 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7849 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7850 (CPP_ARCH32_SPEC): Remove.
7852 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7854 PR tree-optimization/26145
7855 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7858 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7861 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7862 >= 240000 when generating code for SOM runtime.
7863 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7864 to $$dyncall when generating code for SOM runtime..
7866 2006-02-07 Dirk Mueller <dmueller@suse.com>
7869 * doc/invoke.texi (-Wsequence-point): Update documentation
7870 that -Wsequence-point is implemented for C++ as well.
7872 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7874 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7875 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7876 (LIB_SPEC): Likewise.
7877 * doc/invoke.texi (SPARC options): Document -pthread.
7879 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7881 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7884 2006-02-07 Roger Sayle <roger@eyesopen.com>
7886 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7887 Correct comment describing BOOLEAN_TYPE.
7889 2006-02-07 Dirk Mueller <dmueller@suse.com>
7891 * c.opt: C++ frontend supports -Wdiv-by-zero.
7892 * c-opts.c (c_common_handle_option): Remove dead case.
7894 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7896 * configure.ac (TLS assembler check): Do not enable TLS by
7897 default on SPARC/Solaris before version 10.
7898 * configure: Regenerate.
7900 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7902 * doc/invoke.texi (xl-compat): Document conversion and support
7905 2006-02-07 Jeff Law <law@redhat.com>
7907 * tree-vrp.c (find_conditional_asserts): Update comments.
7908 (simplify_stmt_for_jump_threading): New.
7909 (identify_jump_threads, finalize_jump_threads): New.
7910 (vrp_finalize): Call identify_jump_threads.
7911 (execute_vrp): Call finalize_jump_threads.
7912 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7913 (vrp_element, vrp_data, vrp_element_p): Remove.
7914 (vrp_hash_elt, vrp_variables_stack): Remove.
7915 (vrp_hash, vrp_eq, record_range): Remove.
7916 (simplify_cond_and_lookup_avail_expr): Remove.
7917 (extract_range_from_cond): Remove.
7918 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7919 (simplify_stmt_for_jump_threading): New.
7920 (dom_thread_across_edge): New wrapper.
7921 (tree_ssa_dominator_optimize): No longer initialize or
7922 finalize any of the VRP datastructures. Remove iteration
7923 step and simplify as a result of removal of iteration step.
7924 (pass_dominator): Perform a cfg cleanup after DOM.
7925 (dom_opt_finalize_block): Use the new common routines
7926 for threading jumps. Simplify stack management slightly.
7927 No longer need to unwind VRP state.
7928 (record_equivalences_from_incoming_edge): No longer record
7930 (eliminate_redundant_computations): No longer call
7931 simplify_cond_and_lookup_avail_expr.
7932 * tree-flow.h (potentially_threadable_block): Prototype.
7933 (thread_across_edge): Likewise.
7934 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7935 (tree-ssa-threadedge.o): Add dependencies.
7936 * tree-ssa-threadedge.c: New file.
7937 * passes.c (init_optimization_passes): Merge PHIs before
7938 calling VRP. Run VRP again late in the SSA optimization pipeline.
7940 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7942 * df-core.c (df_set_blocks): Do not dereference function pointers.
7943 (df_finish1): Likewise.
7944 (df_hybrid_search_forward): Likewise.
7945 (df_hybrid_search_backward): Likewise.
7946 (df_iterative_dataflow): Likewise.
7947 (df_analyze_problem): Likewise.
7948 (df_compact_blocks): Likewise.
7949 (df_dump): Likewise.
7950 * df-scan.c (df_rescan_blocks): Likewise.
7951 (df_record_entry_block_defs): Likewise.
7953 * genconditions.c (write_conditions): Guard the definition of
7954 'insn_conditions' with the check on GCC version.
7955 (write_writer): Guard the traversal 'insn_conditions' with
7956 the check on GCC version.
7958 2006-02-07 Richard Guenther <rguenther@suse.de>
7962 2006-01-30 Richard Guenther <rguenther@suse.de>
7964 * gimplify.c (gimplify_target_expr): Handle easy cases
7965 without creating a temporary.
7967 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7969 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7970 use of float in probability computations. Use edge probabilities
7971 in place of statically computed probabilities.
7972 (min_spec_prob): New static variable.
7973 (schedule_insns): Initialize it.
7974 (GET_SRC_PROB): Removed.
7975 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7977 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7980 * config/ia64/unwind-ia64.c: Revert last change.
7981 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7982 (INCOMING_FRAME_SP_OFFSET): Define.
7984 2006-02-06 Roger Sayle <roger@eyesopen.com>
7986 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7988 2006-02-07 Ben Elliston <bje@au.ibm.com>
7990 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7991 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7992 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7993 (ix86_return_in_memory): Handle TDmode.
7994 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7995 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7997 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7999 * reorg.c (dbr_schedule): Use dump_file instead of file.
8001 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8004 * config/ia64/predicates.md (extr_len_operand): New predicate.
8005 * config/ia64/ia64.md (extv): Tighten constraints.
8007 (*tbit_and_2): Ditto.
8008 (*tbit_and_3): Ditto.
8009 (*tbit_or_2): Ditto.
8010 (*tbit_or_3): Ditto.
8014 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8017 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8019 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8021 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8022 loop_optimizer_init and loop_optimizer_finalize
8023 * tree-ssa-sink.c (execute_sink_code): Ditto.
8024 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8025 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8026 tree_ssa_loop_done): Ditto.
8027 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8028 * sched-ebb.c: Include output.h.
8029 (schedule_ebbs): Do not use dump argument.
8030 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8031 * loop.c (loop_dump_stream): Removed.
8032 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8034 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8035 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8036 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8037 loop_iterations, strength_reduce, record_biv, record_giv,
8038 final_giv_value, check_final_value, check_ext_dependent_givs,
8039 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8040 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8041 dump_file instead of loop_dump_stream.
8042 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8044 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8046 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8047 * haifa-sched.c: Include output.h
8048 (schedule_insns, sched_init): Do not use dump argument.
8049 * mode-switching.c (optimize_mode_switching): Ditto.
8050 * modulo-sched.c (stats_file): Removed.
8051 (print_node_sched_params): Do not call argument dump_file.
8052 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8053 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8055 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8057 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8058 rtl_loop_init, rtl_loop_done): Ditto.
8059 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8060 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8062 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8063 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8064 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8065 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8066 * emit-rtl.c (renumber_insns): Ditto.
8067 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8068 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8069 * regclass.c (regclass): Ditto.
8070 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8071 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8072 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8073 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8075 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8076 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8078 * gcse.c (gcse_file, debug_stderr): Removed.
8079 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8080 rest_of_handle_gcse): Do not use dump argument.
8081 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8082 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8083 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8084 compute_code_hoist_vbeinout, compute_code_hoist_data,
8085 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8086 compute_store_table, build_store_vectors, insert_insn_start_bb,
8087 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8088 store_motion): Use dump_file instead of gcse_file.
8089 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8090 * profile.c (profile_dump_file): Removed.
8091 (branch_prob): Use dump_file instead of profile_dump_file.
8092 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8094 * tree-ssa-copy.c (dump_copy_of): Ditto.
8095 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8096 dump file to life_analysis.
8097 * bt-load.c (branch_target_load_optimize): Ditto.
8098 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8100 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8101 regclass, dbr_schedule): Declaration changed.
8102 * sched-int.h (sched_init): Declaration changed.
8103 * tree-profile.c (tree_profile_dump_file): Removed.
8104 (tree_profile_hooks): Removed profile_dump_file hook.
8105 * rtl-profile (rtl_profile_dump_file): Removed.
8106 (rtl_profile_hooks): emoved profile_dump_file hook.
8107 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8109 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8110 * tree-cfg.c (build_tree_cfg): Ditto.
8111 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8112 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8113 Declaration changed.
8114 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8115 life_analysis and schedule_insns.
8116 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8118 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8120 * config/mips/mips.c (mips_reorg): Ditto.
8121 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8124 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8126 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8127 (s390_mangle_fundamental_type): New.
8128 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8131 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8132 (alpha_mangle_fundamental_type): New.
8133 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8136 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8138 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8140 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8141 (sparc_mangle_fundamental_type): New.
8143 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8145 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8146 (s390x-*-linux*): Likewise.
8147 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8148 * config/s390/t-linux: New file.
8150 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8152 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8153 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8155 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8157 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8158 (ANTIC_SAFE_LOADS): New macro.
8159 (find_or_generate_expression): Add prototype.
8160 (set_contains_value): Allow null set for sake of not always having
8161 to allocate ANTIC_SAFE_LOADS.
8162 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8163 Allow COMPONENT_REF too.
8164 (valid_in_set): Allow COMPONENT_REF.
8165 Check ANTIC_SAFE_LOADS too.
8166 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8167 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8169 (can_PRE_operation): Add COMPONENT_REF.
8170 (create_component_ref_by_pieces): New function.
8171 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8172 (insert_aux): Move AGGREGATE_TYPE_P check here.
8173 (compute_avail): Set bb local stmt uids.
8174 (pass_pre): Use TODO_update_ssa_only_virtuals.
8176 2006-02-06 Ben Elliston <bje@au.ibm.com>
8178 * configure.ac: Unconditionally disable decimal float by default.
8179 * configure: Regenerate.
8181 2006-02-06 Ben Elliston <bje@au.ibm.com>
8183 * read-rtl.c (read_name): Terminate reading on EOF.
8185 2006-02-06 Ben Elliston <bje@au.ibm.com>
8187 * dfp.c (decimal_real_arithmetic): Change second argument type
8188 from int to enum tree_code. Do not always return true, but now
8189 return result of any call to decimal_do helper functions.
8190 * dfp.h (decimal_real_arithmetic): Update prototype.
8192 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8194 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8196 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8199 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8202 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8204 * tree-vrp.c (cfg_loops): Removed.
8205 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8206 Use current_loops instead of cfg_loops. Pass flags to
8207 loop_optimizer_init.
8208 * cfgloopmanip.c (fix_loop_structure): Update only available
8210 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8211 loop_optimizer_init.
8212 * modulo-sched.c (build_loops_structure): Removed.
8213 (sms_schedule): Use loop_optimizer_init.
8214 * loop-init.c (loop_optimizer_init): Use flags to determine
8215 which properties of loops to prepare.
8216 (rtl_loop_init): Pass flags to loop_optimizer_init.
8217 * tree-ssa-sink.c (execute_sink_code): Ditto.
8218 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8219 * tree-ssa-pre.c (init_pre): Ditto.
8220 * cfgloop.h (LOOPS_NORMAL): New.
8221 (loop_optimizer_init): Declaration changed.
8223 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8225 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8226 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8228 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8230 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8232 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8233 * pa/t-pa64: Delete quadlib.c rule.
8234 * pa/x-ada: Revert last change.
8235 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8237 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8239 PR rtl-optimization/26087
8240 * rtlanal.c (canonicalize_condition): Do not cross basic block
8243 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8246 * config/ia64/ia64.c: Include debug.h.
8247 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8248 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8249 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8250 (process_epilogue, process_set, process_for_unwind_directive):
8251 Output unwind info only if requested. Add CFA info if requested.
8252 Add new arguments as needed. Adjust callers.
8253 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8255 (DWARF2_FRAME_INFO): Define to zero.
8256 * config/ia64/unwind-ia64.c: Remove code that compensated for
8257 the CFA offset error fixed above.
8258 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8259 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8260 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8261 -funwind-tables and -fexceptions to enable frame info.
8262 (dwarf2out_frame_init): Define initial CFA even if
8263 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8264 DWARF2_UNWIND_INFO is nonzero, not just defined.
8265 (dwarf2out_frame_finish): Output non-EH call frame info only
8266 if DWARF2_FRAME_INFO is nonzero.
8267 (convert_cfa_to_loc_list,
8268 compute_frame_pointer_to_cfa_displacement): Define even if
8269 unwind info is not supported.
8270 (gen_subprogram_die): Use the above unconditionally. Remove
8271 legacy alternate code.
8272 * toplev.c (compile_file): Compile in call to
8273 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8274 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8276 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8277 Jakub Jelinek <jakub@redhat.com>
8279 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8280 IBM extended float format long double as "g" on powerpc*-linux.
8282 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8285 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8286 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8288 2006-02-03 Jason Merrill <jason@redhat.com>
8291 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8294 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8295 on the return slot if it's an NRV.
8297 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8299 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8300 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8301 rewrite_use): Do not handle USE_OUTER.
8302 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8303 add_iv_outer_candidates, may_replace_final_value,
8304 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8305 (find_interesting_uses_op): Functionality of
8306 find_interesting_uses_outer_or_nonlin moved here.
8307 (find_interesting_uses_outside): Use find_interesting_uses_op.
8309 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8312 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8314 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8315 Ulrich Weigand <uweigand@de.ibm.com>
8318 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8319 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8320 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8321 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8323 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8324 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8325 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8326 Define secondary reloads for TFmode moves.
8327 (constant_modes): Add TFmode.
8328 (NR_C_MODES): Set to 8.
8329 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8331 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8332 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8333 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8334 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8335 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8336 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8337 (FPR mode macro): Add TFmode.
8338 (DSF mode macro): New.
8339 (<de>, <dee> mode attributes): Removed.
8340 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8341 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8342 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8343 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8344 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8345 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8346 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8347 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8348 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8349 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8350 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8351 "*negabs<mode>2", "sqrt<mode>2"):
8352 Changed <de> to <xde>. R constraint replaced by <Rf>.
8353 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8355 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8356 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8357 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8359 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8360 "extenddftf2", "extendsftf2"): New expanders.
8361 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8362 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8363 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8364 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8366 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8367 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8368 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8369 __floatditf): Add a GCC_4.1.0 symbol version tag.
8370 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8373 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8376 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8377 Use targetm.binds_local_p instead of TREE_PUBLIC.
8379 2006-02-02 Roger Sayle <roger@eyesopen.com>
8381 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8382 on INTEGER_TYPEs to indicate that it denotes a character type.
8383 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8384 signed_char_type_node, unsigned_char_type_node and char_type_node.
8385 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8386 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8387 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8389 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8390 Daniel Berlin <dberlin@dberlin.org>
8392 * tree-tailcall.c (arg_needs_copy_p): New function.
8393 (eliminate_tail_call): Use arg_needs_copy_p.
8394 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8395 (add_virtual_phis): New function.
8397 2006-02-02 Jakub Jelinek <jakub@redhat.com>
8399 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
8400 #ignore instead of #scratch for %g7 .register directive.
8402 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
8404 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
8407 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8409 * flow.c (calculate_global_regs_live): Assert that there aren't any
8412 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
8414 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
8416 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
8417 bsi_after_labels iterator.
8418 * tree-if-conv.c (find_phi_replacement_condition,
8419 replace_phi_with_cond_modify_expr): Likewise.
8420 * tree-scalar-evolution.c (scev_const_prop): Likewise.
8421 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
8423 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8425 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
8427 2006-02-02 Diego Novillo <dnovillo@redhat.com>
8430 * tree-cfg.c (move_block_to_fn): Clear out the basic block
8431 array after growing it.
8433 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8436 * fold-const.c (fold_checksum_tree): Change type of buf.
8438 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
8440 * reload.c (push_secondary_reload): Initialize t_icode.
8442 2006-02-01 Jakub Jelinek <jakub@redhat.com>
8444 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
8445 -msoft-float -mlong-double-128 only issue a warning, but don't
8446 swich to DFmode long double.
8448 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
8450 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
8451 has a constant equivalent, iterate over equivalents for arg0,
8452 calling simplify_relational_operation and if there's a result
8453 cheaper than X, apply fold_rtx and return the result.
8455 2006-02-01 Jan Hubicka <jh@suse.cz>
8457 * opts.c (no_unit_at_a_time_default): New global variable.
8458 (decode_options): Use it.
8459 * opts.h (no_unit_at_a_time_default): Declare.
8461 2006-02-01 Paul Brook <paul@codesourcery.com>
8463 * function.c (assign_parm_setup_reg): Use function argument promotion
8465 * expr.c (expand_expr_real_1): Use function argument promotion rules
8468 2006-02-01 Steve Ellcey <sje@cup.hp.com>
8470 * gcc.c (process_command): Change j to 'unsigned int'.
8472 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8475 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
8476 Use the corrected index for the character
8477 out of the string constant.
8479 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8481 * mode-switching.c (optimize_mode_switching): Fix size
8482 allocated for bb_info[n_entities].
8484 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8486 * gcc.c (main): Correct type that is allocated for
8487 explicit_link_files.
8489 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8491 * config/s390/s390.c (init_alignment_context): Set
8492 ALIAS_SET_MEMORY_BARRIER on the MEM.
8493 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8495 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8498 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8500 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8503 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8505 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8506 * regrename.c: Ditto.
8507 * tree-ssa-loop-im.c: Ditto.
8508 * tree-dump.c: Ditto.
8509 * tree-complex.c: Ditto.
8510 * genrecog.c: Ditto.
8511 * tree-ssa-threadupdate.c: Ditto.
8513 * java/class.c: Ditto.
8514 * java/jcf-parse.c: Ditto.
8515 * java/resource.c: Ditto.
8516 * java/except.c: Ditto.
8517 * java/jvspec.c: Ditto.
8518 * java/jcf-write.c: Ditto.
8519 * java/jcf-path.c: Ditto.
8520 * java/gjavah.c: Ditto.
8521 * java/zextract.c: Ditto.
8522 * java/jcf-io.c: Ditto.
8523 * java/jcf.h: Ditto.
8524 * java/buffer.c: Ditto.
8525 * java/lang.c: Ditto.
8526 * java/parse-scan.y: Ditto.
8527 * java/lex.c: Ditto.
8528 * java/lex.h: Ditto.
8529 * cfgloopmanip.c: Ditto.
8530 * postreload-gcse.c: Ditto.
8531 * tree-ssa-loop-manip.c: Ditto.
8532 * postreload.c: Ditto.
8533 * tree-ssa-loop-ch.c: Ditto.
8537 * diagnostic.c: Ditto.
8539 * genoutput.c: Ditto.
8541 * cfghooks.c: Ditto.
8542 * cfgloopanal.c: Ditto.
8543 * objc/objc-act.c: Ditto.
8545 * genextract.c: Ditto.
8546 * genautomata.c: Ditto.
8547 * pretty-print.c: Ditto.
8549 * cgraphunit.c: Ditto.
8552 * haifa-sched.c: Ditto.
8553 * dominance.c: Ditto.
8555 * tree-ssa-loop-ivopts.c: Ditto.
8557 * mode-switching.c: Ditto.
8558 * modulo-sched.c: Ditto.
8560 * ipa-pure-const.c: Ditto.
8562 * fix-header.c: Ditto.
8564 * tree-stdarg.c: Ditto.
8565 * ipa-utils.c: Ditto.
8566 * loop-init.c: Ditto.
8567 * ipa-inline.c: Ditto.
8570 * alloc-pool.c: Ditto.
8571 * dwarf2out.c: Ditto.
8573 * genattrtab.c: Ditto.
8574 * tree-ssa-loop-ivcanon.c: Ditto.
8578 * fortran/gfortranspec.c: Ditto.
8580 * local-alloc.c: Ditto.
8581 * langhooks.c: Ditto.
8582 * function.c: Ditto.
8583 * tree-vectorizer.c: Ditto.
8585 * ipa-type-escape.c: Ditto.
8587 * tree-if-conv.c: Ditto.
8590 * tree-data-ref.c: Ditto.
8591 * loop-unroll.c: Ditto.
8592 * treelang/treetree.c: Ditto.
8595 * ggc-common.c: Ditto.
8597 * coverage.c: Ditto.
8599 * tree-cfgcleanup.c: Ditto.
8600 * tree-ssa-pre.c: Ditto.
8601 * cfgcleanup.c: Ditto.
8602 * loop-invariant.c: Ditto.
8604 * ipa-prop.c: Ditto.
8605 * print-tree.c: Ditto.
8606 * conflict.c: Ditto.
8607 * ggc-page.c: Ditto.
8608 * sched-deps.c: Ditto.
8609 * regclass.c: Ditto.
8610 * tree-object-size.c: Ditto.
8612 * bb-reorder.c: Ditto.
8613 * resource.c: Ditto.
8614 * var-tracking.c: Ditto.
8616 * df-problems.c: Ditto.
8617 * reg-stack.c: Ditto.
8620 * sched-rgn.c: Ditto.
8621 * tree-ssa-structalias.c: Ditto.
8622 * tree-ssa-reassoc.c: Ditto.
8623 * config/darwin-c.c: Ditto.
8624 * config/darwin.c: Ditto.
8625 * config/arm/arm.c: Ditto.
8627 * collect2.c: Ditto.
8630 2006-01-31 Nicolas Pitre <nico@cam.org>
8632 * arm.md (smaxsi3): Make aware of smax_m1.
8635 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8637 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8639 2006-01-31 Richard Guenther <rguenther@suse.de>
8641 * doc/invoke.texi (-msselibm): Document.
8642 * target.h (expand_library_builtin): New target hook.
8643 * builtins.c (expand_builtin): Use expand_library_builtin.
8644 (default_expand_library_builtin): New function.
8645 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8646 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8647 (link_gcc_math_spec): Declare.
8648 (static_specs): Add link_gcc_math_spec.
8649 * expr.h (default_expand_library_builtin): Declare.
8650 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8651 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8652 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8653 * config/i386/i386.opt (msselibm): New target option.
8654 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8655 (ix86_init_sse_abi_builtins): New function.
8656 (ix86_expand_library_builtin): Likewise.
8657 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8658 (override_options): Handle error conditions wrt -msselibm.
8659 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8660 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8661 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8664 2006-01-31 Richard Guenther <rguenther@suse.de>
8665 Paolo Bonzini <bonzini@gnu.org>
8667 * doc/install.texi (--disable-libgcc-math): Document.
8669 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8671 * expr.h (expand_normal): new inline function.
8672 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8674 * dwarf2out.c: use it.
8679 * config/sparc/sparc.c: use it.
8680 * config/i386/i386.c: use it.
8681 * config/rs6000/rs6000.c: use it.
8682 * config/arm/arm.c: use it.
8683 * config/mips/mips.c: use it.
8684 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8686 2006-01-30 Roger Sayle <roger@eyesopen.com>
8688 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8689 argv to the appropriate type.
8691 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8693 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8696 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8699 * config/s390/s390.c (struct machine_function): New flag
8700 decomposed_literal_pool_addresses_ok_p.
8701 (s390_reorg): Set it before final stage of literal pool transforms.
8702 (s390_decompose_address): Only accept displacements of the form
8703 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8705 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8707 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8708 the comparison routine return.
8710 2006-01-30 Michael Matz <matz@suse.de>
8712 * global.c (find_reg): Only evict for global regs.
8713 Take n_refs into account and dump more info.
8715 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8718 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8719 (pragma_trap, pragma_nosave_low_regs): Likewise.
8720 (current_function_anonymous_args): Likewise.
8721 (sh_deferred_function_attributes): New variable.
8722 (sh_deferred_function_attributes_tail): Likewise.
8723 (print_operand): For '@', look up trap_exit attribute.
8724 (calc_live_regs): Look up trapa_handler attribute. For trapa
8725 handlers, save/restore fpscr, but don't do any other
8726 interrupt-specific saves.
8727 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8728 Fix check for partially saved registers to check for SHmedia.
8729 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8730 (sh_output_function_epilogue): Don't clear any of the removed
8732 (sh_insert_attributes): Don't check pragma_interrupt.
8733 Insert deferred attributes. Check that interrupt attribute is
8734 present for other attributes that require its presence.
8735 (sh_attribute_table): Add new attributes trapa_handler and
8737 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8738 Don't check for pragma_interrupt. Don't store argument.
8739 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8740 (sh_deferred_function_attributes): Declare.
8741 (sh_deferred_function_attributes_tail): Likewise.
8742 * sh.md (sp_switch_1): Add operand. Change generator caller.
8743 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8744 (*return_i): Don't use when trap_exit attribute is in effect.
8745 (*return_trapa): New insn pattern.
8747 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8748 setting c_target_objs and cxx_target_objs.
8749 * t-sh: Add rule for sh-c.o.
8751 2006-01-30 Richard Guenther <rguenther@suse.de>
8754 * gimplify.c (gimplify_target_expr): Handle easy cases
8755 without creating a temporary.
8757 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8759 * vec.h (safe_grow): Remove duplicated line.
8761 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8764 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8765 (expand_omp): ... here.
8766 (expand_omp_parallel): Only remove barriers for combined
8767 parallel+workshare constructs.
8769 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8773 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8774 * tree.c (build_qualified_type): Chain the new type to the original
8775 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8776 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8777 (build_pointer_type_for_mode): Only return unqualified types.
8778 (build_reference_type_for_mode): Likewise.
8780 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8782 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8783 * Makefile.in (CXX_COMPAT_WARN): Define.
8784 * configure: Regenerate.
8786 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8789 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8792 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8794 * toplev.c: Fix thinko.
8796 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8797 Marcin Dalecki <martin@dalecki.de>
8799 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8800 (push_srcloc): Use XNEW.
8801 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8803 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8805 * df-core.c (df_set_blocks): Deleted all variable.
8807 2006-01-28 Ian Lance Taylor <ian@airs.com>
8809 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8810 cgraph_output_pending_asms.
8812 2006-01-28 Zack Weinberg <zackw@panix.com>
8814 * c.opt: Add -W(no-)overlength-strings.
8815 * doc/invoke.texi: Document it.
8816 * c-opts.c (c_common_handle_option): -pedantic implies
8817 -Woverlength-strings, if not explicitly disabled already.
8818 (c_common_post_options): -Woverlength-strings defaults to off, and
8819 is always off for C++.
8820 * c-common.c (fix_string_type): Issue warning about strings longer
8821 than is portable only if warn_overlength_strings. Rearrange code
8822 a little for clarity.
8823 * configure.in: Check for -Wno-overlength-strings as well before
8824 enabling -pedantic in stage 1.
8825 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8826 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8828 * genconditions.c (write_header, write_one_condition)
8829 (write_conditions, write_writer): Consolidate very long strings
8830 that were broken up to fit in C89 portable limit. Don't use
8831 printf when fputs will do.
8833 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8835 * combine.c (simplify_comparison <AND>): Check
8836 TRULY_NOOP_TRUNCATION before start using a subreg.
8838 * config/mips/mips.md (*branch_zero<mode>,
8839 *branch_zero<mode>_inverted, *branch_equality<mode>,
8840 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8841 Remove mode check from comparisons.
8843 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8845 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8847 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8849 * expmed.c (const_mult_add_overflow_p): Remove.
8850 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8852 * recog.c (validate_replace_rtx_subexp): Remove.
8853 * recog.h: Remove the prototype for
8854 validate_replace_rtx_subexp.
8856 * integrate.h: Remove the prototype for
8857 copy_decl_for_inlining.
8858 * rtl.h: Remove the prototype for mark_constant_function.
8859 * tree-vectorizer.h: Remove the prototype for
8860 vect_strip_conversion.
8862 * modulo-sched.c (create_partial_schedule,
8863 free_partial_schedule, reset_partial_schedule): Make them
8866 * hooks.c (hook_bool_rtx_int_false): Remove.
8867 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8869 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8871 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8872 and -mlong-double-128 are incompatible.
8873 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8874 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8875 (TARGET_LIBGCC2_CFLAGS): Define.
8876 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8877 (TARGET_LIBGCC2_CFLAGS): Same.
8878 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8880 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8883 * c-typeck.c (build_binary_op): Perform implicit casts of
8884 operands before shortening them.
8886 * cfgloopmanip.c (split_loop_bb): Remove.
8887 * cfgloop.h: Remove the prototype for split_loop_bb.
8889 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8890 * cfgloop.h: Remove the prototype for
8891 flow_loop_outside_edge_p.
8893 * emit-rtl.c (init_virtual_regs): Make it static.
8894 * function.h: Remove the prototype for init_virtual_regs.
8896 * recog.c (peephole2_optimize): Make it static.
8897 * recog.h: Remove the prototype for peephole2_optimize.
8899 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8901 * df-scan.c (df_record_entry_block_defs): Check if
8902 INCOMING_RETURN_ADDR_RTX is defined.
8904 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8905 Kenneth Zadeck <zadeck@naturalbridge.com>
8907 PR rtl-optimization/24762
8908 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8909 * targhooks.c (hook_void_bitmap): New hook prototype.
8910 * targhoohs.h (hook_void_bitmap): Ditto.
8911 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8912 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8913 * target.h (live_on_entry): New function pointer.
8914 * df-scan.c (df_all_hard_regs): Removed.
8915 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8916 (df_scan_free_internal): Added df->entry_block_defs.
8917 (df_scan_alloc): Ditto.
8918 (df_scan_dump): Ditto.
8919 (df_uses_record): Plumbed flag field properly thru calls.
8920 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8921 This part fixes PR24762.
8922 (df_bb_refs_record): Added code to make the frame and arg
8923 pointers live in EH blocks.
8924 (df_refs_record): Added call to df_record_entry_block_defs.
8925 (df_record_entry_block_defs): New function.
8926 * df-core.c: Added comments to describe new artifical defs.
8927 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8928 (entry_block_defs): New field in struct df.
8929 (df_all_hard_regs): Deleted.
8930 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8931 * df-problems.c (df_ru_bb_local_compute_process_def):
8932 Added code to handle artifical defs in the entry to a function.
8933 (df_ru_bb_local_compute): Ditto.
8934 (df_rd_bb_local_compute_process_def): Ditto.
8935 (df_rd_bb_local_compute): Ditto.
8936 (df_lr_bb_local_compute): Ditto.
8937 (df_ur_bb_local_compute): Ditto.
8938 (df_urec_bb_local_compute): Ditto.
8939 (df_chain_create_bb): Ditto.
8940 (df_ur_local_finalize): Removed entry.
8941 (df_urec_init): Ditto.
8942 (df_urec_local_finalize): Ditto.
8943 (df_ri_bb_compute): Added detection of last use of pseudos.
8944 * Makefile.in (df-scan.o): Updated dependencies.
8945 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8946 * config/mips/mips.c (mips_set_live_on_entry): Added.
8947 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8949 * dce.c (marked_insn_p): Added code to handle artifical defs.
8951 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8953 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8955 (_mm_cvtsi128_si64): Likewise.
8956 (_mm_cvtsd_si64): Likewise.
8957 (_mm_cvttsd_si64): Likewise.
8958 (_mm_cvtsi64_sd): Likewise.
8959 (_mm_cvtsi64_si128): Likewise.
8960 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8961 (_mm_cvtsi64_m64): Likewise.
8962 (_m_to_int64): Likewise.
8963 (_mm_cvtm64_si64): Likewise.
8964 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8965 (_mm_cvttss_si64): Likewise.
8966 (_mm_cvtsi64_ss): Likewise.
8967 (_mm_cvtss_f32): Likewise.
8969 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8971 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8972 for pragma redefine_extname.
8974 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8977 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8978 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8979 -mno-minimal-toc to previous content.
8980 (bispecs): Remove goal.
8981 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8982 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8983 compatibility aliases on powerpc-*-*gnu*.
8984 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8985 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8986 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8987 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8988 (ldblspecs): New goal.
8989 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8990 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8992 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8993 L_sf_to_tf or L_df_to_tf is defined.
8995 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8996 Alan Modra <amodra@bigpond.net.au>
8999 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9000 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9001 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9002 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9003 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9004 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9005 (rs6000_override_options): Initialize rs6000_ieeequad.
9006 Initialize TFmode format to ibm_extended_format if not
9008 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9010 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9011 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9012 (function_arg_advance): IBM long double passed in two FPRs, not
9014 (function_arg): IBM long double passed in FPRs.
9015 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9016 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9017 Only multireg GPR aligned.
9018 (rs6000_init_libfuncs): Enable IBM long double functions if not
9020 (rs6000_generate_compare): Use IBM long double compare if not
9022 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9023 (TARGET_IEEEQUAD): Define.
9024 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9025 not TARGET_IEEEQUAD.
9026 * config/rs6000/rs6000.md: Enable TFmode patterns if
9028 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9029 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9030 and -mlong-double-128 are incompatible.
9031 * doc/invoke.texi (-mabi): Collect options together. Add
9032 ibmlongdouble and ieeelongdouble.
9034 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9036 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9038 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9039 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9040 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9041 * rtl.h (rtunion_def): Remove rt_ptr.
9043 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9044 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9045 * config/i386/winnt.c (i386_pe_mark_dllexport)
9046 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9048 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9050 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9052 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9056 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9057 pthread_key_delete. From John David Anglin. gthrw-ify
9058 pthread_getunique_np only if it it's not a macro. Delete
9060 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9061 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9062 __gthread_objc_condition_signal, __gthread_key_delete): Add
9063 "__attribute__ ((__unused__))" to unused arguments.
9064 (__gthread_recursive_mutex_init_function): Add missing return.
9065 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9066 gthr-posix95.h: Use macro-based approach for name redirection
9067 on targets missing weakref.
9069 2006-01-26 Zack Weinberg <zackw@panix.com>
9071 * genconditions.c (write_header): In generated code, #ifdef out
9072 all includes and fake declarations, except includes of bconfig.h
9073 and system.h, unless GCC_VERSION >= 3001. Do not include
9074 gensupport.h in any case.
9075 (write_conditions): Generate a definition of struct c_test. Add
9076 a comment to the generated #endif.
9077 (write_one_condition): Escape backslashes in string too.
9078 (write_writer): Generated code must escape backslashes and quote
9079 marks (but not newlines) in the strings it writes.
9080 * Makefile.in (build/gencondmd.o): Update dependencies.
9082 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9085 * Makefile.in (insn-automata.o): Add header file dependencies.
9086 * genautomata.c: Add includes.
9088 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9091 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9093 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9095 * configure.ac: Expect target tools paths to be passed from the toplevel
9096 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9098 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9100 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9103 * c.opt (Wpointer-sign): Init to -1.
9104 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9105 OPT_pedantic, to 0 otherwise.
9106 * doc/invoke.texi: Update.
9108 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9110 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9111 constants provided by 80387 instructions in the destination mode.
9113 2006-01-26 Richard Guenther <rguenther@suse.de>
9114 Andrew Pinski <pinskia@physics.uc.edu>
9117 partial PR tree-opt/17064
9118 * tree-ssa-structalias.c (intra_create_variable_infos):
9119 Create heap variables for incoming parameters if
9120 flag_argument_noalias > 1.
9121 (find_what_p_points_to): Look through default defs of
9124 2006-01-26 Jeff Law <law@redhat.com>
9127 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9128 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9129 within the VR_RANGE, use the VR_RANGE as the result, not the
9131 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9132 bounds for the type.
9134 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9136 * tree-ssa-alias.c (maybe_create_global_var): Change
9137 subvar walking to an assertion that we don't have subvar'd variables.
9139 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9142 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9143 Use a new variable, inner. PARM_DECLs are always non-weak.
9145 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9147 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9150 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9152 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9154 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9156 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9157 (smax_insn, smin_insn, smax_0, smin_0): New.
9159 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9162 * config/cris/cris.c (cris_order_for_addsi3): New function.
9163 * config/cris/cris-protos.h: Prototype it.
9164 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9165 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9166 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9167 (split for "op.S1 [rx=rx+i],ry (swapped)")
9168 (split for "op(s|u).S1 [rx=rx+i],ry")
9169 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9170 Apply cris_order_for_addsi3 when generating addsi3 insns.
9172 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9174 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9175 (TREE_BLOCK): Add call to EXPR_CHECK.
9177 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9180 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9181 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9182 (dump_omp_clauses): ... here.
9183 (dump_generic_node): Handle OMP_CLAUSE.
9184 * tree.c (omp_clause_num_ops): New.
9185 (omp_clause_code_name): New.
9186 (tree_code_size): Handle OMP_CLAUSE.
9187 (tree_size): Likewise.
9188 (make_node): Document handling of OMP_CLAUSE.
9189 (tree_node_structure): Handle OMP_CLAUSE.
9190 (omp_clause_check_failed): New.
9191 (omp_clause_range_check_failed): New.
9192 (omp_clause_operand_check_failed): New.
9193 (build_omp_clause): New.
9194 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9195 * tree.h (enum omp_clause_code): Declare.
9196 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9197 (OMP_CLAUSE_RANGE_CHECK): Define.
9198 (OMP_CLAUSE_ELT_CHECK): Define.
9199 (omp_clause_check_failed): Declare.
9200 (omp_clause_operand_check_failed): Declare.
9201 (omp_clause_range_check_failed): Declare.
9202 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9203 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9204 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9205 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9206 (OMP_CLAUSE_IF_EXPR): Likewise.
9207 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9208 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9209 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9210 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9211 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9212 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9213 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9214 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9215 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9216 (OMP_CLAUSE_CODE): Define.
9217 (OMP_CLAUSE_SET_CODE): Define.
9218 (OMP_CLAUSE_CODE): Define.
9219 (OMP_CLAUSE_OPERAND): Define.
9220 (struct tree_omp_clause): Declare.
9221 (union tree_node): Add field 'omp_clause'.
9222 * treestruct.def (TS_OMP_CLAUSE): Define.
9223 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9224 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9225 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9226 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9227 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9228 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9229 (OMP_CLAUSE): Define.
9230 * print-tree.c (print_node): Handle OMP_CLAUSE.
9231 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9232 * c-typeck.c: Likewise.
9233 * gimplify.c: Likewise.
9234 * c-omp.c: Likewise.
9235 * tree-nested.c: Likewise.
9236 * tree-inline.c: Likewise.
9237 * c-parser.c: Likewise.
9238 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9241 2006-01-25 Roger Sayle <roger@eyesopen.com>
9243 PR rtl-optimization/25703
9244 * combine.c (try_combine): Handle zero_extract and strict_low_part
9245 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9247 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9249 * global.c: Fix comment typos.
9251 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9254 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9255 Use output_addr_const instead of assemble_name.
9257 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9259 * Makefile.in (sched-vis.o): Update dependencies.
9260 * haifa-sched.c (sched_finish): Clear current_sched_info.
9261 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9262 (dump_flow_info): Call it.
9263 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9265 * basic-block.h (dump_bb_info): Declare.
9266 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9267 option, and apply options only for dump files whose TDF_RTL,
9268 TDF_TREE, or TDF_IPA bits match.
9269 * rtl.h: Declare new functions exported from sched-vis.c.
9270 * sched-vis.c: Enable also if scheduling is not used.
9271 (print_value): Print the mode of registers if not inside scheduling.
9272 (print_insn): Make it work outside the scheduler. Beautify the output
9274 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9276 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9278 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9279 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9280 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9281 depending on the value of CONSTANT_POOL_ADDRESS_P.
9282 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9284 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9285 rather than SYMBOL_REF_DECL.
9286 (rtx_constant_pool): Remove const_rtx_sym_htab.
9287 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9288 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9289 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9290 Remove handling of const_rtx_sym_htab.
9291 (find_pool_constant): Delete.
9292 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9293 rather than find_pool_constant.
9294 (get_pool_constant_for_function): Delete.
9295 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9297 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9298 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9299 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9300 (SYMBOL_REF_CONSTANT): New macro.
9301 (get_pool_constant_for_function): Delete.
9302 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9303 rather than SYMBOL_REF_DECL.
9304 (i386_pe_mark_dllimport): Likewise.
9305 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9306 rather than SYMBOL_REF_DECL.
9307 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9308 (machopic_indirect_call_target): Likewise.
9310 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9312 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9314 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9316 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9318 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9320 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9322 2006-01-24 David Daney <ddaney@avtrex.com>
9325 * configure.ac (enable_tls): New enable option.
9326 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9327 * configure: Regenerate.
9328 * doc/install.texi (--enable-tls): Document new option.
9329 (--disable-tls): Ditto.
9331 2006-01-24 Richard Henderson <rth@redehat.com>
9333 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9334 * alias.c (true_dependence): Respect it.
9335 (canon_true_dependence, write_dependence_p): Likewise.
9336 * builtins.c (get_builtin_sync_mem): Set it.
9338 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9340 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9343 2006-01-24 DJ Delorie <dj@redhat.com>
9345 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9346 for storing constants in single-bit bitfields.
9348 2006-01-25 Ben Elliston <bje@au.ibm.com>
9350 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9352 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9355 * tree-ssa-pre.c (phi_translate): Return NULL
9356 for AGGREGATE_TYPE's.
9358 2006-01-24 Zack Weinberg <zackw@panix.com>
9360 * genautomata.c (process_state_for_insn_equiv_partition):
9361 Use xcalloc for insn_arcs_array.
9362 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9363 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9365 2006-01-24 Richard Henderson <rth@redhat.com>
9367 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9370 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9372 PR rtl-optimization/25890
9373 PR rtl-optimization/25905
9374 * combine.c (expand_compound_operation, expand_field_assignment):
9375 Fail if the bitfield's final position is out of bounds.
9377 2006-01-24 Ian Lance Taylor <ian@airs.com>
9380 * cgraphunit.c (cgraph_output_in_order): Don't clear
9381 cgraph_asm_nodes until after asm strings have been output.
9383 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9385 * fix-header.c (read_scan_file): Add new parameter imultilib when
9386 calling register_include_chains.
9388 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9390 * omp-low.c: Update documentation.
9392 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9393 Daniel Berlin <dberlin@dberlin.org>
9397 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
9398 return from the function.
9400 2006-01-22 Zack Weinberg <zackw@panix.com>
9402 * rtl.def (match_code): Add second argument.
9403 * genpreds.c (write_extract_subexp): New function.
9404 (write_match_code): Add path argument. Use write_extract_subexp.
9405 (write_predicate_expr): Pass path to write_match_code.
9406 (mark_mode_tests): MATCH_CODE applied to a subexpression does
9407 not perform a mode test.
9408 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
9409 a subexpression does not constrain the top-level code set.
9410 * read-rtl.c (read_rtx_variadic): New function.
9411 (read_rtx_1): Use it; allow AND and IOR to be variadic.
9412 * doc/md.texi: Document new notation.
9413 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
9414 (cmpsi_operand): ... here, using new notation.
9416 2006-01-22 Zack Weinberg <zackw@panix.com>
9418 * varray.c: Remove GENERATOR_FILE #ifdefs.
9420 2006-01-22 Zack Weinberg <zackw@panix.com>
9422 * genautomata.c (output_reserved_units_table): Emit nothing if
9423 description->query_units_num is zero. Remove extra blank line.
9424 (output_cpu_unit_reservation_p): Short circuit
9425 if description->query_units_num is zero.
9427 2006-01-22 Zack Weinberg <zackw@panix.com>
9429 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
9430 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
9431 nor any of the random handful of variables that used to be necessary
9432 when this program was linked with rtlanal.o. Prune set of forward
9433 function declarations.
9434 (struct attr_desc): Remove static_p field.
9435 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
9436 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
9437 (attr_string): Do not read the character one past the length of
9439 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
9440 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
9441 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
9442 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
9443 (make_automaton_attrs): New.
9444 (main): Do not call into genautomata. Call local gen_bypass
9445 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
9446 Remove special case for insn_alts.
9447 * genautomata.c: Include gensupport.h; not genattrtab.h nor
9448 varray.h (leftover from previous change). Prune set of forward
9449 function declarations. Remove state_alts fields from all
9450 structures. Remove state_alts_table from struct automaton.
9451 Make everything except main static. Do not maintain num_dfa_decls.
9452 Do not maintain state_alts fields of various structures.
9453 (process_decls): Don't validate condexp for dm_insn_reserv decls.
9454 (add_arc): Remove state_alts argument. All callers updated.
9455 (output_reserved_units_table): Emit #ifdef here...
9456 (output_tables): ...not here. Don't generate state_alts tables.
9457 (expand_automata): Don't generate attributes.
9458 (write_automata): Don't generate state_alts functions.
9459 (main): New function.
9460 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
9461 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
9462 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
9463 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
9464 (BYPASS_P_FUNC_NAME, output_state_alts_table)
9465 (output_automata_list_state_alts_code, output_internal_state_alts_func)
9466 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
9467 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
9469 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
9470 * genattrtab.h: Delete file.
9471 * Makefile.in (OBJS-common): Add insn-automata.o.
9472 (insn-automata.o): New rule.
9473 (simple_generated_c): Add insn-automata.c.
9474 (build/genattrtab.o, build/genautomata.o): Update dependencies.
9475 (genprogmd): Add automata.
9476 (build/genattrtab): Needs no extra objects nor libraries.
9477 (build/genautomata): Needs build/vec.o and -lm.
9479 2006-01-22 Zack Weinberg <zackw@panix.com>
9481 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
9482 (output_dfa_max_issue_rate, locked_states_num): Delete.
9483 (struct automaton): Add locked_states field.
9484 (output_dead_lock_vect): Save number of locked states in
9485 automaton->locked_states. If it is zero, don't print anything.
9486 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9487 (output_internal_dead_lock_func): Only test the dead_lock_vect
9488 for automata that have locked states.
9489 (output_statistics): Always print the number of locked states for
9490 each automaton. Calculate total number of locked states here.
9491 (write_automata): Don't call output_dfa_max_issue_rate.
9492 * genattrtab.c: Define length_unit_log as a const variable.
9493 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9494 max_insn_queue_index const.
9495 * final.c (length_unit_log): Declare const.
9496 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9498 2006-01-22 Zack Weinberg <zackw@panix.com>
9500 * genautomata.c: Include vec.h, not varray.h.
9501 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9502 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9503 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9504 VEC_* macros operating on appropriately typed vectors, or to
9505 malloced arrays when the size is known in advance. Const-ify
9506 many char* variables and function arguments. No functional changes.
9507 * Makefile.in (build/varray.o): Delete rule.
9508 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9509 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9511 2006-01-22 Zack Weinberg <zackw@panix.com>
9513 * gensupport.c: Define get_insn_name and record_insn_name here.
9514 (read_md_rtx): Call record_insn_name as appropriate.
9515 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9516 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9517 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9519 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9520 (BUILD_VARRAY): Delete.
9521 (genprognormal): Rename genprogmd. Fold in all programs from
9522 genprognoprint; also attrtab.
9523 (build/genattrtab): Just mention genautomata.o and varray.o.
9524 Reorganize a bit, add comments to make the categories clearer.
9526 2006-01-22 Zack Weinberg <zackw@panix.com>
9528 * genconditions.c (condition_table, add_condition): Delete.
9529 (write_conditions): Don't emit n_insn_conditions nor
9530 insn_elision_unavailable. Issue the gcc version #ifdef here,
9531 inside the table, with no #else clause ...
9532 (write_header): ...not here.
9533 (write_writer): New function.
9534 (main): Don't initialize condition_table. Use add_c_test.
9536 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9537 files on the command line.
9538 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9539 Return -1 if there is no entry in the table, don't abort.
9540 (add_c_test, traverse_c_tests): New functions.
9541 * gensupport.h (insn_elision_unavailable, insn_conditions)
9542 (n_insn_conditions): Delete declarations.
9543 (add_c_test, traverse_c_tests): Declare.
9544 * read-rtl.c: Include gensupport.h.
9545 (read_conditions): New function.
9546 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9547 (read_rtx_1): If we get EOF when we were looking for an initial
9548 open paren, return 0. Call read_conditions when appropriate.
9549 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9550 dummy-conditions.o. Eliminate references to insn-conditions.o,
9551 or change them to build/gencondmd.o, as appropriate. Remove
9552 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9553 from $(simple_generated_c). For all files remaining in those
9554 two lists, add insn-conditions.md to the generator command line.
9555 Give insn-constants.h/s-constants their own rules. Add rules
9556 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9557 (build/read-rtl.o): Depend on gensupport.h.
9558 (genprognormal): Include preds.
9559 (genprogearly): Rename genprognoprint; only difference is now that
9560 they don't link with $(BUILD_PRINT).
9561 * dummy-conditions.c: Delete.
9563 2006-01-22 Zack Weinberg <zackw@panix.com>
9565 * genextract.c: Don't include insn-config.h. Do include vec.h.
9566 Declare vectors of int, char, and locstr.
9567 (locstr): New typedef.
9568 (struct extraction): Make all array fields into bare pointers.
9569 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9570 (insn_code_number): Delete.
9571 (accum_extract): New struct.
9572 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9573 (gen_insn): Take insn_code_number as an argument. Use an
9574 accum_extract structure instead of loading data directly into
9575 a struct extraction, and having to know how big it might get.
9576 (walk_rtx): Operate entirely on an accum_extract structure.
9577 (print_path): Avoid unnecessary use of printf.
9578 (print_header): New function, split out of main. Distinguish
9579 more carefully between an unrecognizable insn and an insn that
9580 has the code number of a define_expand.
9581 (main): Pass insn_code_number to gen_insn. Call print_header
9582 only after parsing. Avoid unnecessary use of printf.
9583 * Makefile.in (build/vec.o): New rule.
9584 (build/genextract): Depend on build/vec.o.
9585 (build/genextract.o): Don't depend on insn-config.h.
9587 2006-01-22 Zack Weinberg <zackw@panix.com>
9589 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9590 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9591 practical. Eliminate per-generator-program link rules.
9593 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9596 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9597 with a call expr to ...
9598 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9600 2006-01-23 Richard Guenther <rguenther@suse.de>
9602 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9603 before make_edge with conditional EDGE_TRUE_VALUE.
9605 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9606 Jan Hubicka <jh@suse.cz>
9607 Richard Guenther <rguenther@suse.de>
9609 PR rtl-optimization/25654
9610 * cfgexpand.c (aggregate_contains_union_type): New function.
9611 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9612 for structure variables that contain a union type.
9614 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9616 * gengtype.c (new_structure): Return the structure.
9617 (create_option): Add an extra "next" argument.
9618 (create_field): New function.
9619 (adjust_field_rtx_def): Use create_option and create_field.
9620 Remove a now-unnecessary call to find_structure.
9621 (adjust_field_tree_def): Likewise.
9622 (note_yacc_type): Remove an unnecessary call to find_structure.
9623 * gengtype.h (new_structure): Return the structure.
9624 (create_option): Add an extra argument.
9625 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9626 (option): Adjust calls to create_option.
9628 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9630 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9632 2006-01-22 Paul Brook <paul@codesourcery.com>
9633 Peter Barada <peter@the-baradas.com>
9635 * config/m68k/m68k.md: Add Coldfire FPU support.
9636 Define FP mode macro and associated attributes.
9637 Use it for float mode patterns.
9638 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9639 (LIBCALL_VALUE): Use m68k_libcall_value.
9640 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9641 (m68k_function_value): Ditto.
9642 (emit_move_sequence): Ditto.
9643 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9644 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9645 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9646 (MULTILIB_EXCEPTIONS): Ditto.
9647 * config/m68k/m68k.opt: Add mcfv4e.
9648 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9649 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9650 (m68k_output_function_prologue): Save ColdFire FPU registers.
9651 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9652 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9653 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9654 ColdFire FPU registers.
9655 (m68k_libcall_value, m68k_function_value): New functions.
9656 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9657 (LIBCALL_VALUE): Use m68k_libcall_value.
9658 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9659 (MASK_COLDFIRE): Add MASK_CFV4E.
9660 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9661 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9662 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9663 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9664 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9665 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9666 * doc/invoke.tex: Document -mcfv4e on m68k.
9668 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9670 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9673 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9676 * c-opts.c (c_common_handle_option): Don't include
9677 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9678 * doc/invoke.texi (C++ Dialect Options): Document that
9679 -Wnon-virtual-dtor is no longer included in -Wall.
9681 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9683 * gcov.c (print_version), gcov-dump.c (print_version),
9684 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9687 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9689 * df-scan.c (problem_SCAN): Added NULL reset function.
9690 (df_scan_reset_blocks): Added code to call reset block function
9691 (df_bb_refs_delete) Fixed comment.
9692 (df_insn_refs_delete): Made tolerant of deleting non existent info
9693 for dataflow problems that need to be reset.
9694 * df-core.c (df_set_blocks): Ditto.
9695 * df.h (struct df_problem): Added reset_fun.
9696 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9697 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9698 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9699 functions to clear out all references to def-use or use-def chains.
9701 2006-01-21 Ben Elliston <bje@au.ibm.com>
9703 * varasm.c (assemble_real): Initialise data array.
9705 2006-01-20 Paul Brook <paul@codesourcery.com>
9707 Merge from csl-arm-branch.
9708 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9709 * config/arm/arm.md (movdi): Force operands[1] to a register
9710 if we have a non-register source.
9711 (*arm_movdi, *movdf_soft_insn): Require that one of the
9712 operands be a register.
9713 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9714 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9716 2006-01-20 DJ Delorie <dj@redhat.com>
9718 * varasm.c (initialize_constant_valid_p): Allow pointers
9719 initialized from integer constants of lesser precision.
9720 (output_constant): Allow non-int-sized pointer modes to be
9721 initialized from integer constants.
9723 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9726 * cppdefault.h (struct default_include): Add multilib flag.
9727 * cppdefault.c (cpp_include_defaults): Set it.
9728 * c.opt (-imultilib): New option.
9729 * c-opts.c (imultilib): New.
9730 (c_common_handle_option): Handle -imultilib.
9731 (c_common_post_options): Likewise.
9732 * c-incpath.c (add_standard_paths, register_include_chains):
9734 * c-incpath.h (register_include_chains): Add extra parameter.
9735 * gcc.c (do_spec_1): Generate -imultilib option.
9736 (The Specs Language): Update %I description.
9737 (process_command): Update copyright notice.
9738 * doc/cppopts.texi (-imultilib): Document.
9739 * doc/invoke.texi (-imultilib): Include in option summary.
9740 (%I): Update specs documentation.
9742 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9744 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9746 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9748 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9751 2006-01-20 Richard Guenther <rguenther@suse.de>
9752 Steven Bosscher <stevenb.gcc@gmail.com>
9754 PR rtl-optimization/24626
9755 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9756 EDGE_TRUE_VALUE if in RTL mode.
9759 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9760 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9762 2006-01-20 Dirk Mueller <dmueller@suse.com>
9765 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9766 instead of a special NOP marker.
9767 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9768 NOP marker handling.
9769 * c-common.h (empty_body_warning): Add forward declaration.
9770 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9771 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9773 2006-01-20 Paul Brook <paul@codesourcery.com>
9775 * Makefile.in (lang_checks): Keep going if mkdir fails.
9777 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9779 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9780 be able to clean out basic block when not necessary.
9781 (df_scan_free): Fixed to properly delete information if df is
9782 unused before calling df_finish.
9783 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9784 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9786 (df_bb_refs_delete): New function.
9787 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9788 * df-core.c (df_set_blocks): Added code to properly clean out
9789 unused blocks if they are not part of the blocks to consider.
9790 Added additional null check.
9791 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9792 be able to clean out basic block when not necessary
9793 * df.h (df_free_bb_function): Ditto.
9794 (df_bb_refs_delete): New function.
9795 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9796 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9797 basic block parameter to be able to clean out basic block when not
9799 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9800 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9801 Fixed to properly delete information if df is unused before
9804 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9806 PR rtl-optimization/25799
9807 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9808 Corrected confluence operator to remove bits from op2 before oring
9809 with op1 rather than removing bits from op1.
9810 (df_ru_transfer_function): Corrected test on wrong bitmap which
9811 caused infinite loop. Both of these problems were introduced in
9812 the dataflow rewrite.
9814 2006-01-19 DJ Delorie <dj@redhat.com>
9816 * reload1.c (find_reload_regs): Note the details of reload
9817 failures in the dump file.
9818 (spill_failure): Likewise.
9820 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9822 * loop-iv.c: Include df.h and hashtab.h.
9823 (enum iv_grd_result): New enum.
9824 (DF_REF_IV, DF_REF_IV_SET): New macros.
9825 (struct biv_entry): New.
9826 (df, bivs): New global variables.
9827 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9828 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9830 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9831 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9832 analyzed_for_bivness_p, record_biv): New functions.
9833 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9834 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9835 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9837 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9839 (iv_number_of_iterations): Use new interface to iv analysis.
9840 * loop-unroll.c: Do not include varray.h.
9841 (analyze_iv_to_split_insn): Use new interface to iv
9843 * loop-unswitch.c (may_unswitch_on): Ditto.
9844 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9846 (df_bb_modify): Realloc tables to the new index.
9847 (df_find_use): New function.
9848 * df.h (df_find_use): Declare.
9849 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9851 * cfgloop.h (struct rtx_iv): Remove analysed field.
9852 (iv_get_reaching_def): Removed.
9853 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9854 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9855 (loop-iv.o): Add df.h and hashtab.h dependency.
9856 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9858 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9861 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9863 (__floatundisf, __floatundidf): Likewise.
9864 * libgcc2.h (IS_IBM_EXTENDED): Define.
9866 2006-01-19 DJ Delorie <dj@redhat.com>
9868 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9870 2006-01-19 Paul Brook <paul@codesourcery.com>
9872 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9873 as nothrow when unwinding tables are disabled.
9875 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9878 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9879 of bit-field" when in system header.
9881 2006-01-19 DJ Delorie <dj@redhat.com>
9883 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9884 the 16 bit shift limit of the m16c.
9886 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9889 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9890 * config/i386/i386.c (output_set_got): Output the label if we have one
9891 for the TARGET_DEEP_BRANCH_PREDICTION case.
9893 2006-01-19 Jan Hubicka <jh@suse.cz>
9894 H.J. Lu <hongjiu.lu@intel.com>
9895 Evandro Menezes <evandro.menezes@amd.com>
9897 * invoke.texi (generic): Document
9899 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9900 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9901 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9902 (x86_use_incdec, x86_pad_returns): New variables
9903 (TARGET_CPU_DEFAULT_generic): New constant
9904 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9905 (enum processor_type): Add generic32 and generic64.
9906 * i386.md (cpu attribute): Add generic32/generic64
9907 (movhi splitter): Behave sanely when both partial_reg_dependency and
9908 partial_reg_stall are set.
9909 (K8 splitters): Enable for generic as well.
9910 * predicates.md (incdec_operand): Use TARGET_INCDEC
9911 (aligned_operand): Avoid memory mismatch stalls.
9912 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9913 * ppro.md: Enable for generic32
9914 * i386.c (generic64_cost, generic32_cost): New.
9915 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9916 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9917 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9918 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9919 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9920 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9921 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9922 x86_accumulate_outgoing_args, x86_prologue_using_move,
9923 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9924 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9926 (x86_use_incdec, x86_pad_returns): New.
9927 (override_options): Add generic32 and generic64, translate "generic"
9928 to generic32/generic64 and "i686" to "generic32", refuse
9929 "generic32"/"generic64" as arch target.
9930 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9931 (ix86_reorg): Honor PAD_RETURNS.
9933 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9935 * tree-pretty-print.c (dump_generic_node): Handle
9936 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9937 * cgraph.c (cgraph_expand_queue): Rename from
9938 cgraph_analyze_queue. Update all users.
9939 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9940 cgraph_expand_queue.
9941 (cgraph_expand_all_functions): Likewise.
9942 (cgraph_finalize_pending_functions): Remove. Update callers.
9944 * tree.h (OMP_DIRECTIVE_P): Define.
9945 (OMP_PARALLEL_FN): Define.
9946 (OMP_PARALLEL_DATA_ARG): Define.
9947 (OMP_SECTIONS_SECTIONS): Define.
9948 * tree-pass.h (pass_expand_omp): Declare.
9949 * omp-low.c (struct omp_region): Declare.
9950 (struct omp_context): Remove fields 'parallel_type',
9951 'parallel_start_ix' and 'parallel_start_additional_args'.
9953 (struct omp_for_data): Rename from struct expand_omp_for_data.
9954 (omp_regions): New static variable.
9955 (root_omp_region): New static variable.
9956 (find_omp_clause): Make static.
9957 (is_in_combined_parallel_ctx): Remove.
9958 (is_combined_parallel): New.
9959 (extract_omp_for_data): Move earlier in the file.
9960 (workshare_safe_to_combine_p): New.
9961 (get_ws_args_for): New.
9962 (determine_parallel_type): Move earlier in the file.
9963 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9965 (omp_copy_decl): Likewise.
9966 (create_omp_child_function): Likewise.
9967 (lookup_omp_region): New.
9968 (dump_omp_region): New.
9969 (debug_omp_region): New.
9970 (debug_all_omp_regions): New.
9971 (new_omp_region): New.
9972 (scan_omp_parallel): If parallel_nesting_level > 1, the
9973 directive is nested within another parallel directive.
9974 Set OMP_PARALLEL_FN.
9975 (scan_omp_for): Do not try to handle combined parallel+for
9977 Remove FIXME comment.
9978 (scan_omp_nested): Remove.
9979 (scan_omp_1): Do not call scan_omp_nested when
9980 parallel_nesting_level is > 1.
9981 Do not change the DECL_CONTEXT of local variables found.
9982 (lookup_decl_in_outer_ctx): New.
9983 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9984 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9985 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9986 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9987 If CTX is nested, lookup VAR in the outer context when
9988 building copy assignment.
9989 (lower_send_clauses): Rename from expand_send_clauses.
9990 If CTX is nested, lookup VAR in the outer context when
9991 building copy assignments.
9992 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9993 If CTX is nested, lookup VAR in the outer context when
9994 building copy assignments.
9995 (expand_parallel_call): Rename from build_parallel_call.
9996 Handle combined parallel+workshare cases.
9997 Re-implement to emit code into the CFG.
9999 (expand_omp_parallel): Re-implement to emit code into the CFG.
10000 Call move_sese_region_to_fn to outline the sub-graph
10001 containing the parallel region.
10002 (expand_omp_for_1): Remove.
10003 (expand_omp_for_generic): Re-implement to emit code into the
10005 (expand_omp_for_static_nochunk): Likewise.
10006 (expand_omp_for_static_chunk): Likewise.
10007 (expand_omp_for): Likewise.
10008 (expand_omp_sections): Likewise.
10009 (remove_exit_barriers): New.
10010 (expand_omp_synch): New.
10012 (build_omp_regions_1): New.
10013 (build_omp_regions): New.
10014 (execute_expand_omp): New.
10015 (gate_expand_omp): New.
10016 (pass_expand_omp): Define.
10017 (lower_omp_sections): Rename from expand_omp_sections.
10018 Set OMP_SECTIONS_SECTIONS.
10019 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10020 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10021 (lower_omp_single): Rename from expand_omp_simple.
10022 (lower_omp_master): Rename from expand_omp_master.
10023 (lower_omp_ordered): Rename from expand_omp_ordered.
10024 (lower_omp_critical): Rename from expand_omp_critical.
10025 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10026 (lower_omp_for): Re-implement.
10027 (lower_omp_parallel): Re-implement.
10028 (lower_regimplify): Rename from expand_regimplify.
10029 (lower_omp_1): Rename from expand_omp_1.
10030 If there are syntax errors in the program, replace every
10031 OpenMP directive with NOP.
10032 Call lower_omp_* instead of expand_omp_*.
10033 (lower_omp): Rename from expand_omp.
10035 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10036 * tree-gimple.h (enum omp_parallel_type): Remove.
10037 (gimple_boolify): Declare extern.
10038 (find_omp_clause, determine_parallel_type): Remove.
10040 * gimple-low.c (lower_omp_directive): New.
10041 (lower_stmt): Call it.
10042 (record_vars_into): Move from ...
10043 (record_vars): ... here.
10044 Call record_vars_into with current_function_decl.
10046 * gimplify.c (struct gimplify_ctx): Remove fields
10047 combined_pre_p and combined_ctxp. Update users.
10048 (get_formal_tmp_var): Add documentation.
10049 (gimple_boolify): Make extern.
10050 (gimplify_expr_in_ctx): Remove. Update callers.
10051 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10052 will always be a BIND_EXPR.
10053 (gimplify_expr): Handle OMP_RETURN_EXPR.
10054 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10055 (OMP_PARALLEL): Add 3 operands.
10056 (OMP_SECTIONS): Add 1 operand.
10057 (OMP_RETURN_EXPR): Define.
10059 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10060 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10061 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10062 creating a circular free list.
10063 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10065 * tree-flow.h (move_sese_region_to_fn): Declare.
10066 (record_vars_into): Declare.
10067 * tree-cfg.c (make_omp_sections_edges): New.
10068 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10069 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10070 OMP_SECTIONS and OMP_SECTION.
10071 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10072 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10073 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10074 (gather_blocks_in_sese_region): New.
10075 (struct move_stmt_d): Declare.
10076 (move_stmt_r): New.
10077 (move_block_to_fn): New.
10078 (move_sese_region_to_fn): New.
10080 * passes.c (init_optimization_passes): Schedule
10081 pass_expand_omp after pass_init_datastructures.
10083 * tree-ssa-operands.c (get_expr_operands): Handle
10084 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10085 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10087 2006-01-19 Jeff Law <law@redhat.com>
10089 * tree-vrp.c (extract_range_from_assert): Refine the result range
10090 if the variable referenced by the ASSERT_EXPR has a range and
10091 either the tentative result range or the previous range is a
10094 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10096 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10098 2006-01-19 Jan Hubicka <jh@suse.cz>
10100 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10102 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10104 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10105 (expand_compound_operation, expand_field_assignment): Fail if the
10106 bit lengths of an extract operation are out of range.
10107 (make_extraction): Compute wanted_inner_mode based on the position
10108 and length of the extraction. Make it extraction_mode for non-constant
10109 positions, and do not modify offset in that case. When generating a
10110 new MEM, use a mode that can hold the extraction while keeping correct
10111 alignment. Remove code that supported MEMs wrapped by USEs.
10112 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10114 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10116 * config/s390/s390.md ("Y", "y"): New mode attribute.
10117 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10118 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10119 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10120 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10121 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10122 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10123 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10124 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10125 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10126 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10127 "addsi3", "subsi3"): Insn patterns removed.
10128 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10129 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10130 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10131 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10132 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10133 "*sub<mode>3_cconly2"): New insn patterns.
10134 ("addsi3", "subsi3"): New expanders.
10136 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10138 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10139 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10140 existing STMT_VINFO_VECTYPE if available.
10141 (vect_mark_relevant): Add special handling for stmts that are
10142 marked as STMT_VINFO_IN_PATTERN_P.
10143 (vect_analyze_loop): Call vect_pattern_recog.
10144 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10145 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10147 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10148 (vect_recog_func_ptr): New function-pointer type.
10149 * tree-vect-patterns.c: New file.
10150 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10151 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10152 (vect_pattern_recog_1): New functions.
10153 (vect_pattern_recog_funcs): New array of function pointers.
10155 * tree-vectorizer.h (ternary_op): New enum value.
10156 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10157 declaration. Revised documentation. Removed redundant dump prints.
10158 Removed redundant argument. Added support for reduction patterns.
10159 (vectorizable_reduction): Added support for reduction patterns.
10160 (vect_transform_stmt): Added support for patterns.
10162 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10163 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10164 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10165 (expand_widen_pattern_expr): New function.
10166 (init_optabs): Initialize new optabs udot_prod_optab,
10168 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10169 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10170 (expand_widen_pattern_expr): New function declaration.
10171 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10173 * tree-inline.c (estimate_num_insns_1): Added cases for new
10174 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10175 * tree-pretty-print.c (dump_generic_node): Likewise.
10176 (op_prio): Likewise.
10177 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10178 * tree-ssa-operands.c (get_expr_operands): Added case for
10180 * tree-vect-patterns.c (widened_name_p): New function.
10181 (vect_recog_dot_prod_pattern): Added function implementation.
10182 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10183 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10184 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10185 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10187 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10188 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10189 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10190 (init_optabs): Initialize new optabs widen_ssum_optab,
10192 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10193 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10194 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10195 use instead of type of def.
10196 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10197 function implementation.
10198 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10199 widen_ssumv8hi): New.
10201 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10204 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10207 * c-decl.c (add_flexible_array_elts_to_size): New function.
10208 (finish_decl): Use it.
10210 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10212 * diagnostic.h: Include options.h.
10213 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10214 dependancies for diagnostic.h.
10215 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10217 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10219 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10220 (ssa_ro_call_cache_valid): Ditto.
10221 * tree-ssa-alias.c (sort_tags_by_id): New function.
10222 (init_transitive_clobber_worklist): Ditto.
10223 (add_to_worklist): Ditto.
10224 (mark_aliases_call_clobbered): Ditto.
10225 (compute_tag_properties): Ditto.
10226 (set_initial_properties): Ditto.
10227 (compute_call_clobbered): Ditto.
10228 (compute_may_aliases): Call compute_call_clobbered and grouping.
10229 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10230 (compute_flow_insensitive_aliasing): Grouping now happens in our
10232 (setup_pointers_and_addressables): Remove clobbering related code.
10233 (add_may_alias): Ditto.
10234 (replace_may_alias): Ditto.
10235 (get_nmt_for): Ditto.
10236 (create_global_var):
10237 (is_escape_site): Return an escape_type enumeration.
10238 * tree-flow-inline.h (is_call_clobbered): Global var does not
10239 imply call clobbered.
10240 (mark_call_clobbered): Take a reason for marking this. Remove
10241 marking of globalness, and cache invalidation.
10242 (clear_call_clobbered): Remove cache invalidation code.
10243 * tree-dfa.c (dump_variable): If details is on, dump the reason
10245 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10247 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10248 (struct var_ann_d): Ditto.
10249 (enum escape_type): New.
10250 (mark_call_clobbered): Adjust prototype.
10251 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10252 are never call clobbered.
10253 Record reasons for escaping.
10254 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10255 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10256 (ssa_ro_call_cache_valid): Ditto.
10257 (clobbered_v_may_defs): Ditto.
10258 (clobbered_vuses): Ditto.
10259 (ro_call_vuses): Ditto.
10260 (clobber_stats): New.
10261 (init_ssa_operands): Zero out clobber stats.
10262 (fini_ssa_operands): Print out clobber stats.
10263 (get_call_expr_operands): Pass callee fndecl to
10264 add_call_read_ops).
10265 (add_call_clobber_ops): Remove use of cache.
10266 Add use of PURE_CONST information.
10267 (add_call_read_ops): Remove use of cache.
10268 Add use of static not_read information.
10270 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10272 Introduce TLS descriptors for i386 and x86_64.
10273 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10274 (TARGET_ANY_GNU_TLS): New macro.
10275 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10276 (struct machine_function): Add tls_descriptor_call_expanded_p.
10277 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10278 (ix86_current_function_calls_tls_descriptor): Likewise.
10279 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10280 (override_options): Introduce gnu2 tls dialect.
10281 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10283 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10285 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10286 (ix86_init_machine_status): Initialize new field.
10287 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10288 (ix86_tls_module_base): New.
10289 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10290 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10291 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10292 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10293 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10294 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10295 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10296 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10297 * config/i386/predicates.md (tls_modbase_operand): New.
10298 (tp_or_register_operand): New.
10300 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10302 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10303 (look_for_address_of): Ditto.
10304 (ipa_init): Walk the function decls.
10305 (static_execute): Don't set readonly on FUNCTION_DECL's.
10307 2006-01-18 Roger Sayle <roger@eyesopen.com>
10309 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10310 for shifts where the source and destination registers are different.
10312 2006-01-18 Paul Brook <paul@codesourcery.com>
10314 Merge from csl-arm-branch.
10315 2005-03-14 Julian Brown <julian@codesourcery.com>
10316 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10317 (aeabi_llsl): Likewise.
10318 (ashrdi3): Likewise.
10319 (aeabi_lasr): Likewise.
10320 (lshrdi3): Likewise.
10321 (aeabi_llsr): Likewise.
10322 2005-03-10 Julian Brown <julian@codesourcery.com>
10323 * config.gcc: Disable shared libgcc for SymbianOS.
10324 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10326 2006-01-18 DJ Delorie <dj@redhat.com>
10328 * c-pragma.c (handle_pragma_diagnostic): New.
10329 (init_pragma): Register it.
10330 * doc/extend.texi: Document it.
10332 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10333 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10334 (diagnostic_context): Add classify_diagnostic[].
10335 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10336 as errors if they're overridden to DK_WARNING.
10337 (diagnostic_initialize): Initialize classify_diagnostic[].
10338 (diagnostic_set_kind_override): New.
10339 (diagnostic_report_diagnostic): Check for kind changes.
10340 * opts.c (common_handle_option): Take lang_mask. Update callers.
10341 Handle OPT_Werror_.
10342 * common.opt (Werror=): New.
10343 * doc/invoke.texi: Document -Werror=*
10345 2006-01-18 Jeff Law <law@redhat.com>
10347 * tree-vrp.c (test_for_singularity): Correct test for new
10348 min limit. Use operand_equal_p rather than pointer equality
10349 for testing if new min/max values are equal.
10351 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10352 using range information until after propagation and folding.
10354 2006-01-18 Richard Henderson <rth@redhat.com>
10355 Aldy Hernandez <aldyh@redhat.com>
10356 Jakub Jelinek <jakub@redhat.com>
10357 Diego Novillo <dnovillo@redhat.com>
10359 * omp-low.c: New file.
10360 * c-omp.c: New file.
10362 2006-01-18 Richard Henderson <rth@redhat.com>
10363 Jakub Jelinek <jakub@redhat.com>
10364 Diego Novillo <dnovillo@redhat.com>
10366 * doc/invoke.texi: Document -fopenmp.
10367 * tree-dump.h (debug_function): Declare.
10368 * hooks.c (hook_bool_tree_bool_false): New function.
10369 (hook_tree_tree_null): Remove.
10370 (hook_tree_tree_tree_null): New.
10371 * hooks.h: Update to match.
10372 * tree-pretty-print.c (debug_tree_chain): New.
10373 (print_generic_expr): Handle TDF_CHAIN.
10374 (dump_generic_node): Handle BLOCK.
10375 Do not abort with incomplete SWITCH_EXPRs.
10376 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10377 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10378 print space after directive name.
10379 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10380 Handle OMP_MASTER and OMP_ORDERED.
10381 Handle printing of OMP_BODY just in one place, goto
10382 dump_omp_body in the rest of OMP_* nodes that have
10384 Don't handle clause nodes here. Update omp statements to
10385 use dump_omp_clauses.
10386 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10387 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10388 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10389 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10390 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10391 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10392 Adjust output for GOMP_PARALLEL.
10393 (dump_omp_clauses): New.
10394 (print_declaration): Dump DECL_VALUE_EXPR.
10395 (op_symbol_1): Split out of op_symbol.
10396 (dumping_stmts): Remove. Update all users.
10397 * cgraph.c (cgraph_analyze_queue): New.
10398 (cgraph_add_new_function): New.
10399 * cgraph.h (cgraph_analyze_queue): Declare.
10400 (cgraph_add_new_function): Declare.
10401 (cgraph_lower_function): Remove.
10402 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
10403 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
10404 and TYPE_P nodes in its default clause.
10405 (empty_body_p): New.
10406 (tree_range_check_failed): New.
10407 (build5_stat): New.
10408 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
10409 OMP_CLAUSE_REDUCTION_MERGE,
10410 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
10411 OMP_CLAUSE_PRIVATE_DEBUG,
10412 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
10413 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
10414 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
10415 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
10416 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
10417 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
10418 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
10419 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
10420 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
10421 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
10422 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
10423 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
10424 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
10425 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
10426 (TREE_RANGE_CHECK): New.
10427 (empty_body_p): Declare.
10428 (enum omp_clause_default_kind): New.
10429 (build_string_literal): Declare.
10430 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
10431 (build5_stat, build5): Declare.
10432 * tree-pass.h (TDF_CHAIN): Define.
10433 * tree-pass.h (PROP_gimple_lomp): Define.
10434 (pass_lower_omp): Declare.
10435 * diagnostic.h (debug_tree_chain): Declare.
10436 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
10438 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
10439 * builtins.c (build_string_literal): Make extern.
10440 * gcc.c (include_spec_function): New.
10441 (static_spec_functions): Add it.
10442 (main): Move load of libgomp.spec ...
10443 (LINK_COMMAND_SPEC): ... here.
10444 (link_gomp_spec): New.
10445 (static_specs): Include it.
10446 (LINK_COMMAND_SPEC): Add link_gomp.
10447 (GOMP_SELF_SPECS): New.
10448 (driver_self_specs): Include it.
10449 (switch_matches): Don't mark inline.
10450 (main): Load libgomp.spec.
10451 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
10452 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
10453 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
10454 * tree-gimple.h (enum omp_parallel): Declare.
10455 (determine_parallel_type): Declare.
10456 (omp_firstprivatize_variable): Declare.
10457 (omp_reduction_init): Declare.
10458 (diagnose_omp_structured_block_errors): Declare.
10459 (struct walk_stmt_info): Add want_return_expr.
10460 (struct walk_stmt_info): Add want_bind_expr, want_locations.
10461 (find_omp_clause): Declare.
10462 (insert_field_into_struct): Declare.
10463 (struct walk_stmt_info): Move from tree-nested.c
10464 (walk_stmts): Declare.
10465 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
10467 * cgraphunit.c (cgraph_lower_function): Make static.
10468 (cgraph_finalize_pending_functions): New.
10469 (cgraph_finalize_function): Call it.
10470 (cgraph_finalize_compilation_unit): Likewise.
10471 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
10472 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
10473 (BT_FN_UINT_UINT): New.
10474 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
10475 DEF_FUNCTION_TYPE_VAR_4): Document.
10476 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
10477 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
10478 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
10479 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
10480 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
10481 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
10482 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
10483 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
10484 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
10485 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10486 into separate files.
10487 (DEF_GOMP_BUILTIN): New.
10488 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10489 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10490 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10491 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10492 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10493 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10494 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10495 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10496 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10497 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10498 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10499 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10500 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10501 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10502 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10503 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10504 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10505 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10506 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10507 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10508 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10509 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10510 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10511 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10512 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10513 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10514 * sync-builtins.def: New file, moved from builtins.def.
10515 * omp-builtins.def: New file, moved from builtins.def.
10516 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10517 * gimple-low.c (lower_function_body): Clear data.
10518 (lower_stmt): Do not handle COMPOUND_EXPR.
10519 Remove call to print_node_brief.
10520 * c-tree.h (c_finish_omp_clauses): New prototype.
10521 (C_DECL_THREADPRIVATE_P): Define.
10522 (lookup_name_no_remap, c_omp_remap_private): Remove
10523 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10524 (check_for_loop_decls): Update decl.
10525 (lookup_name_no_remap, c_omp_remap_private): Declare.
10526 (build_indirect_ref, build_modify_expr, pushdecl,
10527 pushdecl_top_level): Move to c-common.h.
10528 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10529 before the switch, but just in the 2 places that need it.
10530 * c-decl.c (diagnose_mismatched_decls): Do not check for
10531 mismatched thread-local attributes when OLDDECL is marked
10532 threadprivate and NEWDECL has no thread-local attributes.
10533 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10534 (c_gimple_diagnostics_recursively): Rename from
10535 c_warn_unused_result_recursively. Invoke
10536 diagnose_omp_structured_block_errors.
10537 (check_for_loop_decls): Return a singular decl found.
10538 * langhooks.c (lhd_omp_predetermined_sharing): Return
10539 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10540 (lhd_omp_firstprivatize_type_sizes): New.
10541 (lhd_omp_assignment): New.
10542 (lhd_omp_predetermined_sharing): New.
10543 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10544 (struct lang_hooks_for_types): Add
10545 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10546 omp_predetermined_sharing, omp_disregard_value_expr,
10547 omp_private_debug_clause, omp_clause_default_ctor,
10548 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10549 (c_finish_omp_clauses): New.
10550 (c_finish_bc_stmt): Diagnose break within omp for.
10551 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10552 (build_unary_op): Return error_mark after reporting
10554 (build_modify_expr): Likewise.
10555 * gimplify.c: Include optabs.h and pointer-set.h.
10556 (enum gimplify_omp_var_data): Declare.
10557 (struct gimplify_omp_ctx): Declare.
10558 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10560 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10561 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10562 (splay_tree_compare_decl_uid): New.
10563 (new_omp_context): New.
10564 (delete_omp_context): New.
10565 (gimple_add_tmp_var): Call omp_add_variable.
10566 (gimplify_bind_expr): Likewise.
10567 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10568 true, disregard DECL_VALUE_EXPR on the decl if any.
10569 (gimplify_expr_in_ctx): New.
10570 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10571 omp_add_variable, omp_notice_variable, omp_is_private
10572 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10573 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10574 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10575 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10576 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10577 gimplify_omp_atomic): New.
10578 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10579 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10580 OMP_CRITICAL and OMP_ATOMIC.
10581 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10582 * c-pragma.h (enum pragma_kind): Add
10583 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10584 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10585 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10586 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10587 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10588 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10589 PRAGMA_OMP_THREADPRIVATE.
10590 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10591 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10592 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10593 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10594 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10595 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10596 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10597 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10598 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10599 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10600 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10601 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10602 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10604 (struct nesting_info): Add field_map,
10605 suppress_expansion, debug_var_chain.
10606 (create_nesting_tree): Initialize them.
10607 (lookup_field_for_decl): Use field_map.
10608 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10609 (convert_local_omp_clauses): New.
10610 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10611 (walk_body): Split out of walk_function.
10612 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10613 (convert_nonlocal_reference): Handle omp statements.
10614 (convert_local_reference): Likewise.
10615 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10616 (unnest_nesting_tree): New.
10617 (lower_nested_functions): Call it.
10618 (insert_field_into_struct): Make extern.
10619 (struct walk_stmt_info): Move to tree-gimple.h.
10620 (walk_stmts): Make extern.
10621 * omp-builtins.def: New file.
10622 * tree-iterator.c (expr_only): Clarify comment.
10623 * c-common.h (pushdecl_top_level, pushdecl,
10624 build_modify_expr, build_indirect_ref,
10625 c_finish_omp_master, c_finish_omp_critical,
10626 c_finish_omp_ordered, c_finish_omp_barrier,
10627 c_finish_omp_atomic, c_finish_omp_flush,
10628 c_finish_omp_for, c_split_parallel_clauses,
10629 omp_clause_default_kind, c_omp_sharing_predetermined,
10630 c_omp_remap_decl): Declare.
10631 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10632 (OBJS-common): Add omp-low.o.
10633 (c-omp.o, omp-low.o): Add.
10634 (gimplify.o): Add dependency on $(OPTABS_H).
10635 (GTFILES): Add omp-low.c.
10636 (gt-stringpool.h): Add.
10637 * tree-cfg.c (set_bb_for_stmt): Do not update the
10638 block-to-labels map if we are currently expanding to RTL.
10639 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10641 Handle IDENTIFIER_NODE.
10642 (tree_verify_flow_info): Do not ICE when emitting error
10643 messages about invalid labels.
10644 (dump_function_to_file): Reset CFUN before emitting the body
10646 (debug_function): New.
10647 * passes.c (init_optimization_passes): Schedule
10649 * langhooks-def.h (lhd_omp_predetermined_sharing,
10650 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10652 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10653 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10654 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10655 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10656 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10657 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10658 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10659 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10660 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10661 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10662 (LANG_HOOK_DECLS): Use them.
10664 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10665 Richard Henderson <rth@redhat.com>
10666 Jakub Jelinek <jakub@redhat.com>
10667 Diego Novillo <dnovillo@redhat.com>
10669 * c-parser.c (pragma_omp_clause): Define.
10670 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10671 (c_parser_compound_statement): Likewise.
10672 (c_parser_statement): Likewise.
10673 (c_parser_pragma): Handle omp pragmas.
10674 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10675 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10676 (c_parser_omp_clause_name, check_no_duplicate_clause,
10677 c_parser_omp_variable_list,
10678 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10679 c_parser_omp_clause_copyprivate,
10680 c_parser_omp_clause_default,
10681 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10682 c_parser_omp_clause_lastprivate,
10683 c_parser_omp_clause_nowait,
10684 c_parser_omp_clause_num_threads,
10685 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10686 c_parser_omp_clause_reduction,
10687 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10688 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10689 c_parser_omp_atomic, c_parser_omp_barrier,
10690 c_parser_omp_critical, c_parser_omp_flush,
10691 c_parser_omp_for_loop, c_parser_omp_for,
10692 c_parser_omp_master, c_parser_omp_ordered,
10693 c_parser_omp_sections_scope, c_parser_omp_sections,
10694 c_parser_omp_parallel, c_parser_omp_single,
10695 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10696 * c-pragma.c (init_pragma): Do omp pragma registration here.
10697 * c.opt (fopenmp): New flag.
10699 2006-01-18 Eric Christopher <echristo@apple.com>
10701 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10702 * config/darwin.h (GOMP_SELF_SPECS): Define.
10704 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10706 * rtl.h: Remove the prototype for reg_alloc.
10708 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10711 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10712 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10713 sjlj and dwarf2 exception handling.
10714 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10715 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10716 * pa/pa.c (function_value): Treat complex and vector types as
10718 (function_arg): Likewise. Only pass scalar floats in the floating
10719 point argument registers.
10720 * pa/t-slibgcc-dwarf-ver: New file.
10721 * pa/t-slibgcc-sjlj-ver: New file.
10722 * pa/t-slibgcc-elf-ver: Delete file.
10724 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10726 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10727 unlikely_test_section_p test.
10729 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10731 * mode-switching.c (optimize_mode_switching): Make it static.
10732 * basic-block.h: Remove the prototype for
10733 optimize_mode_switching.
10735 * modulo-sched.c (sms_schedule): Make it static.
10736 * rtl.h: Remove the prototype for sms_schedule.
10738 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10739 * rtl.h: Remove the prototype for gcse_after_reload_main.
10741 * reg-stack.c (reg_to_stack): Make it static.
10742 * rtl.h: Remove the prototype for reg_to_stack.
10744 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10746 * rtl.h: Remove the prototypes for regrename_optimize and
10747 copyprop_hardreg_forward.
10749 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10751 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10752 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10753 Test against the appropriate null constant for the mode.
10754 If 'fixup_overlap' is true, swap the operands if they overlap.
10755 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10756 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10757 alpha_split_tmode_pair and adjust for above change.
10758 * config/alpha/alpha.md (movtf_internal): Adjust call to
10759 alpha_split_tfmode_pair and rely on it to swap the operands.
10760 (movti_internal): New insn and post-reload splitter.
10761 (movti): New expander.
10763 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10765 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10768 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10770 * rtlanal.c (global_reg_mentioned_p_1,
10771 global_reg_mentioned_p): Remove.
10772 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10774 * flow.c (initialize_uninitialized_subregs): Make it static.
10775 * rtl.h: Remove the prototype for
10776 initialize_uninitialized_subregs.
10778 * function.c (instantiate_virtual_regs): Make it static.
10779 * function.h: Remove the prototype for
10780 instantiate_virtual_regs.
10782 * regmove.c (regmove_optimize, combine_stack_adjustments):
10784 * rtl.h: Remove the prototypes for regmove_optimize and
10785 combine_stack_adjustments.
10787 2006-01-17 Roger Sayle <roger@eyesopen.com>
10789 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10790 (size_cost): Encode costs in bytes so that a reg-reg addition is
10791 equivalent to COSTS_N_INSNS(1).
10792 (override_options): Use the size_cost.branch_cost as the default
10793 ix86_branch_cost when optimizing for size.
10795 2006-01-18 Ben Elliston <bje@au.ibm.com>
10797 * Makefile.in (D32PBIT_FUNCS): New.
10798 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10799 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10800 D64PBIT_FUNCS and D128PBIT_FUNCS.
10801 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10802 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10804 (decnumber_dep): Define.
10805 * doc/libgcc.texi (Decimal float library routines): New node.
10806 * config/dfp-bit.h, config/dfp-bit.c: New files.
10808 2006-01-18 Ben Elliston <bje@au.ibm.com>
10810 * expr.c (emit_move_change_mode): Always adjust addresses, not
10811 just during reload. Copy replacements only during reload.
10812 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10813 emit_move_via_integer.
10815 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10817 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10818 instead of $(srcdir) and ${srcdir}.
10820 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10823 PR middle-end/11135
10824 * arm.h (struct machine_function): Add pic_reg.
10825 * arm.c (arm_pic_register): Make unsigned.
10826 (arm_override_options): Only set arm_pic_register if
10827 TARGET_SINGLE_PIC_BASE.
10828 (use_return_insn): Only test for a pic register if it is fixed.
10829 (arm_compute_save_reg0_reg12_mask): Likewise.
10830 (thumb_compute_save_reg_mask): Likewise.
10831 (legitimate_pic_operand): Factor out some known invariants.
10832 (legitimize_pic_address): If we don't have a fixed pic register,
10833 then set up a pseudo in the function entry sequence. Handle the
10834 pic base being in a pseudo.
10835 (arm_load_pic_register): Handle the pic register being in a pseudo.
10836 (arm_expand_prologue): Only set up the pic register if it is fixed.
10837 (thumb_expand_prologue): Likewise.
10838 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10839 (pic_load_addr_based_insn): Likewise.
10840 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10843 2006-01-18 Ben Elliston <bje@au.ibm.com>
10845 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10846 decimal float modes for all floating point registers.
10848 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10849 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10851 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10854 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10855 even when the pointer is not NULL.
10857 2006-01-16 Ian Lance Taylor <ian@airs.com>
10859 * common.opt (ftoplevel-reorder): New option.
10860 * cgraph.c (cgraph_asm_nodes): New global variable.
10861 (cgraph_asm_last_node): New static variable.
10862 (cgraph_order): New global variable.
10863 (cgraph_create_node): Set new order field.
10864 (cgraph_varpool_node): Likewise.
10865 (decide_is_variable_needed): Return true if not
10866 flag_toplevel_reorder.
10867 (cgraph_add_asm_node): New function.
10868 * cgraph.h (struct cgraph_node): Add order field.
10869 (struct cgraph_varpool_node): Add order field.
10870 (struct cgraph_asm_node): Define.
10871 (cgraph_asm_nodes, cgraph_order): Declare.
10872 (cgraph_add_asm_node): Declare.
10873 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10875 (cgraph_varpool_assemble_pending_decls): Call it.
10876 (cgraph_output_pending_asms): New static function.
10877 (cgraph_finalize_compilation_unit): Call it.
10878 (struct cgraph_order_sort): Define.
10879 (cgraph_output_in_order): New static function.
10880 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10881 !flag_toplevel_reorder case.
10882 * c-parser.c: Include "cgraph.h".
10883 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10885 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10886 than -fno-unit-at-a-time.
10887 * doc/invoke.texi (Option Summary): Mention
10888 -fno-toplevel-reorder.
10889 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10890 -funit-at-a-time documentation.
10892 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10893 Kazu Hirata <kazu@codesourcery.com>
10895 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10897 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10899 * Makefile.in (FUNCTION_H): New. Use it instead of
10900 function.h throughout the file.
10901 * function.h: Include tree.h.
10903 2006-01-17 Ben Elliston <bje@au.ibm.com>
10905 * recog.c: Separate some functions with whitespace.
10907 2006-01-16 Richard Henderson <rth@redhat.com>
10909 Merge from gomp branch:
10910 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10911 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10912 and rename from struct inline_data. Rename callee* to dst*;
10913 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10914 transform_new_cfg, transform_return_to_modify, and
10915 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10917 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10918 (copy_decl_for_dup): Remove.
10919 * tree-inline.c (struct inline_data): Move to header.
10920 (insert_decl_map): Export.
10921 (remap_decl): Update for member name changes. Use copy_decl hook.
10922 Allow for replacement to be a non-decl. Remove dead code.
10923 (remap_type_1): Check for existing mapping.
10924 (remap_type): Export.
10925 (remap_decls): Update for member name changes.
10926 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10927 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10928 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10929 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10930 (tree_function_versioning, build_duplicate_type): Likewise.
10931 (copy_body_r): Likewise. Export.
10932 (copy_decl_for_dup): Split into ...
10933 (copy_decl_for_dup_finish, copy_decl_to_var,
10934 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10935 (replace_ref_tree, inlining_p): Remove.
10937 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10939 * ifcvt.c (if_convert): Make it static.
10940 * rtl.h: Remove the prototype for if_convert.
10942 * local-alloc.c (local_alloc): Make it static.
10943 * rtl.h: Remove the prototype for local_alloc.
10945 * loop.c (loop_optimize): Make it static.
10946 * cfgloop.h: Remove the prototype for loop_optimize.
10949 2006-01-16 DJ Delorie <dj@redhat.com>
10951 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10954 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10956 * pa.md: Disparage copies between general and floating-point registers
10957 in 32-bit move patterns.
10959 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10962 * Makefile.in (check-%): Depend on site.exp instead of
10963 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10966 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10968 * global.c (global_alloc): Make it static.
10969 * rtl.h: Remove the prototype for global_alloc.
10971 2006-01-16 Richard Guenther <rguenther@suse.de>
10973 * tree-ssa-alias.c (struct used_part): Add write_only field.
10974 (get_or_create_used_part_for): Initialize it to true.
10975 (create_overlap_variables_for): Don't create structure variables
10976 for structures that only are written to.
10977 (find_used_portions): Handle MODIFY_EXPR to track whether a
10978 structure is only written to.
10980 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10982 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10984 * basic-block.h: Remove the prototype for
10985 partition_hot_cold_basic_blocks.
10987 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10989 * cppspec.c (lang_specific_spec_functions): Remove.
10990 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10991 * gcc.h (lang_specific_spec_functions): Remove.
10992 * gccspec.c (lang_specific_spec_functions): Remove.
10994 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10996 * combine.c (record_value_for_reg): Invalidate registers
10998 (record_dead_and_set_regs_1): Likewise, by passing them to
10999 record_value_for_reg.
11000 (record_dead_and_set_regs): Invalidate stores made by a
11001 call. We do not combine across a call, but we still
11002 relied on equivalences.
11004 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11006 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11007 vrp_int_const_binop returning non-constant nodes.
11009 2006-01-16 Paul Brook <paul@codesourcery.com>
11011 * config/m68k/m68k.c (output_move_const_into_data_reg):
11012 Output correct mnemonic for mvz and mvs.
11014 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11016 * rtl-factoring.c: Add sequence abstraction algorithm.
11017 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11018 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11020 (block_has_preserve_label): New function.
11021 * common.opt: Register new pass.
11022 * Makefile.in: Ditto.
11024 * timevar.def: Ditto.
11025 * tree-pass.h: Ditto.
11026 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11027 * rtl.h (make_jump_insn_raw): Add forward decl.
11028 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11030 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11031 Roger Sayle <roger@eyesopen.com>
11033 * fold-const.c (fold_minmax): New static function.
11034 (fold_binary) <MIN_EXPR>: Call it.
11035 <MAX_EXPR>: Likewise.
11036 * stor-layout.c (place_field): Use DECL_SIZE consistently
11037 in the computation of the new record size.
11039 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11041 * cse.c (cse_condition_code_reg): Make it static.
11042 * rtl.h: Remove the prototype for cse_condition_code_reg.
11044 * combine.c (combine_instructions): Make it static.
11045 * rtl.h: Remove the prototype for combine_instructions.
11047 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11050 * tree.c (get_file_function_name_long): Concatenate the first global
11051 object name with a string derived from the input filename of the object
11054 2006-01-16 Ben Elliston <bje@au.ibm.com>
11056 * config/i386/winnt-stubs.c: Update FSF address.
11057 * config/xtensa/ieee754-df.S: Ditto.
11058 * config/xtensa/ieee754-sf.S: Ditto.
11060 2006-01-14 Ian Lance Taylor <ian@airs.com>
11062 * ifcvt.c (noce_init_if_info): New static function, broken out of
11063 noce_process_if_block.
11064 (noce_process_if_block): Call noce_init_if_info.
11065 (check_cond_move_block): New static function.
11066 (cond_move_process_if_block): New static function.
11067 (process_if_block): Call cond_move_process_if_block.
11069 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11071 * cselib.c (hash_table): Rename to cselib_hash_table.
11072 (cselib_clear_table, discard_useless_values,
11073 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11074 cselib_init, cselib_finish): Adjust uses of hash_table.
11076 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11078 PR tree-optimization/25485
11079 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11080 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11081 is known to be false and true, respectively.
11083 2006-01-14 Richard Guenther <rguenther@suse.de>
11085 PR tree-optimization/22548
11086 PR tree-optimization/22555
11087 PR tree-optimization/22501
11088 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11089 * params.def (salias-max-array-elements): New parameter.
11090 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11091 * doc/invoke.texi (salias-max-array-elements): Document.
11092 * tree-flow-inline.h (var_can_have_subvars): We also handle
11094 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11096 * tree-ssa-structalias.c (params.h): Include.
11097 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11098 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11099 (get_constraint_for): For ADDR_EXPR operating on something
11100 containing an ARRAY_REF, add all subvars to the solution.
11101 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11102 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11103 for creating MUST_DEFs.
11104 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11106 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11108 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11110 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11111 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11112 number_of_iterations_le): New functions.
11113 (number_of_iterations_special): Removed.
11114 (number_of_iterations_exit): Do not use number_of_iterations_special.
11115 * tree.c (unsigned_type_for): Always return integer type.
11117 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11118 Richard Guenther <rguenther@suse.de>
11120 PR rtl-optimization/24257
11121 * gcse.c (find_moveable_store): Only consider a store movable
11122 when the SET_SRC of the insn can be assigned to a register.
11124 2006-01-14 Ian Lance Taylor <ian@airs.com>
11126 * tree.c (tree_not_class_check_failed): New function.
11127 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11128 (tree_not_class_check_failed): Declare.
11130 2006-01-13 Ian Lance Taylor <ian@airs.com>
11132 * reload1.c (do_output_reload): Add assertion rejecting a
11135 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11137 * combine.c (struct reg_stat): Add new fields truncation_label and
11139 (record_value_for_reg): Reset truncated_to_mode.
11140 (record_truncated_value): New function.
11141 (check_promoted_subreg): Call it. Rename to check_conversions.
11142 (combine_instructions): Rename check_promoted_subreg to
11144 (reg_truncated_to_mode): New function.
11145 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11146 (gen_lowpart_or_truncate): New function.
11147 (force_to_mode): Use it instead of gen_lowpart.
11149 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11151 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11152 VAR is a tag, not its type tag.
11154 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11156 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11157 alternatives to match style of other entries.
11158 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11160 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11162 PR tree-optimization/25771
11163 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11166 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11169 * tree-inline.c (declare_return_variable): If the return variable
11170 was marked as a non gimple complex, set the return slot variable
11171 to be a non gimple comple variable.
11173 2006-01-13 Richard Guenther <rguenther@suse.de>
11175 * builtins.c (expand_builtin_sincos): New function.
11176 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11178 (expand_builtin): Expand sincos using expand_builtin_sincos.
11180 2006-01-12 DJ Delorie <dj@redhat.com>
11182 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11183 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11184 so that constant shifts can be split.
11185 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11186 (m32c_valid_pointer_mode): Make static.
11187 (shift_gen_func_for): New.
11188 (m32c_prepare_shift): Use it. Split large const shifts into
11190 * config/m32c/predicates.md (shiftcount_operand): Allow more
11192 (longshiftcount_operand): New.
11193 * doc/md.texi (Machine Constraints): Document In6.
11195 2006-01-13 Ben Elliston <bje@au.ibm.com>
11197 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11198 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11201 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11203 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11204 to try to avoid clobbering pieces of structures when we know
11205 something about the whole structure.
11206 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11208 2006-01-13 Ben Elliston <bje@au.ibm.com>
11210 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11211 return in memory, as this is no limitation is no longer present.
11213 2006-01-12 DJ Delorie <dj@redhat.com>
11215 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11216 mova with fb, and for fb+0 -> An.
11218 * config/m32c/mov.md (peephole2): Fix enabling logic.
11220 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11221 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11222 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11223 FINI_ARRAY_SECTION_ASM_OP): Define.
11225 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11227 (m32c_legitimize_reload_address): New logic to reload FB to An.
11228 (m32c_output_reg_push): Add newline.
11229 (m32c_output_reg_pop): Likewise.
11231 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11233 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11235 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11237 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11239 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11241 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11244 2006-01-11 Ben Elliston <bje@au.ibm.com>
11246 * rtlanal.c (find_reg_note): Assert insn is not null.
11248 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11250 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11253 2006-01-11 Jeff Law <law@redhat.com>
11255 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11257 (mark_threaded_blocks, register_jump_thread): New functions.
11258 (thread_through_all_blocks): Remove unwanted argument. No
11259 longer rely on e->aux to communicate thread target info.
11260 Call mark_threaded_blocks. Release the threaded_blocks
11261 bitmap and threaded_edges vector when complete.
11262 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11263 (threaded_blocks): Remove.
11264 (tree_ssa_dominator_optimize): Remove initialization and
11265 finalization of threaded_blocks. Simplify call to
11266 thread_through_all_blocks.
11267 (thread_across_edge): Call register_jump_thread rather than
11268 storing thread information into e->aux.
11269 (free_all_edge_infos): Simplify now that e->aux is no longer
11270 used to communicate with thread_through_all_blocks.
11271 * tree-flow.h (thread_through_all_blocks): Update prototype.
11272 (register_jump_thread): Prototype.
11274 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11276 * df-core.c (df_compact_blocks, df_bb_replace): Use
11277 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11279 2006-01-11 Richard Guenther <rguenther@suse.de>
11281 PR tree-optimization/25734
11282 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11283 stop propagation after successful propagation to the LHS.
11285 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11287 * basic-block.h (control_flow_graph): Change the type of
11288 x_basic_block_info to VEC(basic_block,gc) *.
11289 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11291 (SET_BASIC_BLOCK): New.
11292 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11293 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11294 * cfgbuild.c (find_basic_blocks): Likewise.
11295 * cfglayout.c (fixup_reorder_chain): Likewise.
11296 * cfgrtl.c (create_basic_block_structure,
11297 rtl_create_basic_block): Likewise.
11298 * ifcvt.c (find_if_case_1): Likewise.
11299 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11302 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11304 * Makefile.in: Removed rotted odf.c entry.
11306 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11309 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11310 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11311 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11312 output pattern modifier, not %e.
11313 * config/cris/cris.c (cris_op_str): Update comment about pattern
11315 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11316 before falling through into...
11317 <case 'E'>: Redefined from old 'e' case.
11319 2006-01-11 Jan Hubicka <jh@suse.cz>
11322 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11324 2006-01-11 Jan Hubicka <jh@suse.cz>
11326 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11327 * i386.c (x86_decompose_lea): Kill.
11328 (ix86_rtx_costs): Kill.
11330 2006-01-11 Jan Hubicka <jh@suse.cz>
11332 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11333 * cgraph.h (cgraph_node): Add inline_decl.
11334 (cgraph_insert_node_to_hashtable): Declare.
11335 (save_inline_function_body): Declare.
11336 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11338 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11339 (cgraph_function_versioning): Update call of tree_function_versioning.
11340 (save_inline_function_body): New function.
11341 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11342 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11343 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11344 (cgraph_default_inline_p): Likewise.
11345 (cgraph_decide_inlining_incrementally): Likewise.
11346 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11347 (copy_bb): Kill saving; do updating of clones.
11348 (copy_cfg_body): Kill saving.
11349 (initialize_inlined-parameters): Likewise.
11350 (expand_call_inline): Likewise.
11352 (tree_function_versioning): New parameter "update_clones".
11353 (inlining_p): Kill saving.
11354 * tree-inline.h (tree_function_versioning): Update prototype.
11355 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11358 2006-01-11 Ian Lance Taylor <ian@airs.com>
11360 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11361 Allow undoing set of machine mode.
11362 (do_SUBST): Use enums instead of is_int.
11363 (do_SUBST_MODE): New function.
11364 (SUBST_MODE): New macro.
11365 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11366 reg and trying to replace reg_regno_rtx with a new register.
11367 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11368 (simplify_set): Use SUBST_MODE.
11369 (distribute_notes): Remove code that tried to update reg notes
11370 for regno_reg_rtx changes.
11372 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11374 PR tree-optimization/23109
11375 PR tree-optimization/23948
11376 PR tree-optimization/24123
11378 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11379 * tree-cfg.c (single_noncomplex_succ): New.
11380 * tree-flow.h (single_noncomplex_succ): Declare it.
11381 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11382 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11383 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11384 insert_bb, register_division_in, insert_reciprocals,
11385 replace_reciprocal, free_bb): New.
11386 (execute_cse_reciprocals_1): Rewritten.
11387 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11388 Do not commit any edge insertion. Always compute dominators and
11389 create the allocation pool.
11390 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11391 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11392 * targhooks.c (default_min_divistions_for_recip_mul): New.
11393 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11394 * passes.c (init_optimization_passes): Run recip after tree loop
11396 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
11398 2006-01-11 Danny Berlin <dberlin@dberlin.org>
11399 Kenneth Zadeck <zadeck@naturalbridge.com>
11401 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
11402 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
11403 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
11404 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
11405 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
11406 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
11407 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
11408 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
11409 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
11410 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
11411 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
11412 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
11413 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
11414 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
11415 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
11416 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
11417 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
11418 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
11419 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
11420 DF_SCAN_POST_ALLOC): New macros.
11421 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
11422 df_free_bb_function, df_local_compute_function, df_init_function,
11423 df_dataflow_function, df_confluence_function_0,
11424 df_confluence_function_n, df_transfer_function,
11425 df_finalizer_function, df_free_function, df_dump_problem_function,
11426 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
11427 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
11428 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
11429 df_urec_bb_info, ) New types.
11430 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
11432 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
11433 df_analyze_simple_change_some_blocks,
11434 df_analyze_simple_change_one_block, df_compact_blocks,
11435 df_bb_replace, df_bb_regno_last_use_find,
11436 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
11437 df_insn_regno_def_p, df_find_def, df_find_use,
11438 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
11439 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
11440 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
11441 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
11442 debug_df_chain, df_get_dependent_problem, df_chain_create,
11443 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
11444 df_grow_bb_info, df_chain_dump, df_print_bb_index,
11445 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
11446 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
11447 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
11448 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
11449 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
11450 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
11451 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
11452 df_ref_remove, df_insn_refs_delete, df_refs_delete,
11453 df_reorganize_refs, df_set_state, df_hard_reg_init,
11454 df_read_modify_subreg_p) New public functions.
11455 * df-core.c: The core dataflow solver and glue routines for rtl
11457 (df_init, df_add_problem, df_set_blocks, df_finish,
11458 df_hybrid_search_forward, df_hybrid_search_backward,
11459 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
11460 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
11461 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
11462 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
11463 df_reg_defined, df_find_use, df_reg_used, df_dump,
11464 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
11465 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
11466 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
11467 debug_df_useno, reset_df_after_reload): New functions.
11468 * df-scan.c: The scanning fuctions, once in df.c, completely
11469 rewritten so that they now fully model the functionality of
11470 register usage at the backend.
11471 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
11472 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
11473 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
11474 df_grow_insn_info, df_rescan_blocks, df_ref_create,
11475 df_get_artificial_defs, df_get_artificial_uses,
11476 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
11477 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
11478 df_refs_delete, df_reorganize_refs, df_set_state,
11479 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
11480 df_def_record_1, df_defs_record, df_uses_record,
11481 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
11482 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
11483 df_record_exit_block_uses, df_hard_reg_init): New functions.
11485 * df-problems.c: Seven concrete dataflow problems that use the
11486 scanning in df-scan.c and are solved by the engine in df-core.c.
11487 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11488 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11489 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11490 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11491 df_ru_free_bb_info, df_ru_alloc,
11492 df_ru_bb_local_compute_process_def,
11493 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11494 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11495 df_ru_transfer_function, df_ru_free, df_ru_dump,
11496 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11497 df_rd_free_bb_info, df_rd_alloc,
11498 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11499 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11500 df_rd_transfer_function, df_rd_free, df_rd_dump,
11501 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11502 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11503 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11504 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11505 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11506 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11507 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11508 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11509 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11510 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11511 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11512 df_urec_mark_reg_use_for_earlyclobber,
11513 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11514 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11515 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11516 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11517 df_chain_create_bb_process_use, df_chain_create_bb,
11518 df_chain_finalize, df_chain_free, df_chains_dump,
11519 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11520 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11521 df_reg_lifetime): New functions.
11522 * df.c: Deleted file.
11523 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11524 consistent with new df api.
11525 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11526 rest_of_handle_sms): Ditto.
11527 * web.c (unionfind_union, union_defs, entry_register, web_main):
11529 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11530 invariant_expr_equal_p, find_defs, check_dependencies,
11531 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11532 free_inv_motion_data, move_loop_invariants): Ditto.
11533 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11534 Update dependencies.
11535 (odf.c): Added defective entry that was deleted later in day.
11536 * sched-deps.c (sched_analyze_1): Ditto.
11538 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11540 * tree-ssa-operands.c (get_expr_operands): Record addressable
11541 variables directly. Do not call add_stmt_operands for CONST_DECLs
11543 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11544 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11546 2006-01-11 Ben Elliston <bje@au.ibm.com>
11548 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11549 function returns true in the positive case.
11551 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11554 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11555 for SI, DI, SF and DF modes. Add alternatives to copy between
11556 general and floating point registers to the 32-bit patterns.
11557 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11558 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11559 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11560 generating 64-bit code.
11561 * config/pa/pa.c (output_move_double): Handle copies between general
11562 and floating registers.
11564 2006-01-10 Stuart Hastings <stuart@apple.com>
11566 * config/i386/i386.md (set_got): Update.
11567 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11568 (builtin_setjmp_receiver): Mach-O support.
11569 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11570 (GOT_SYMBOL_NAME): Define.
11571 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11572 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11573 * config/i386/i386.c (override_options): Revise for Darwin.
11574 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11575 support. (darwin_x86_file_end): New. (output_set_got): Add label
11576 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11577 * config/i386/i386-protos.h (output_set_got): Likewise.
11578 * config/darwin.c (machopic_legitimize_pic_address): Update
11581 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11583 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11584 when MODE isn't BLKmode.
11586 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11588 PR rtl-optimization/25367
11589 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11591 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11594 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11595 for a negative bound.
11597 2006-01-10 Richard Guenther <rguenther@suse.de>
11599 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11600 Never override with anything constraint.
11602 2006-01-10 Jan Beulich <jbeulich@novell.com>
11604 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11605 256 bits when optimize_size.
11607 2006-01-10 Jan Beulich <jbeulich@novell.com>
11609 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11611 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11612 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11615 2006-01-10 Ben Elliston <bje@au.ibm.com>
11617 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11619 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11620 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11621 (USE_FP_FOR_ARG): Reject decimal float modes.
11622 (function_arg_advance): Likewise.
11623 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11624 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11625 point types in AltiVec vectors.
11626 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11627 (rs6000_libcall_value): Likewise.
11629 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11631 * config/xtensa/ieee754-df.S: New file.
11632 * config/xtensa/ieee754-sf.S: New file.
11633 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11634 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11635 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11637 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11639 * config/sh/predicates.md (binary_float_operator,
11640 binary_logical_operator, commutative_float_operator,
11641 equality_comparison_operator, greater_comparison_operator,
11642 less_comparison_operator, logical_operator,
11643 noncommutative_float_operator, shift_operator,
11644 symbol_ref_operand, unary_float_operator): Remove redundant
11647 2006-01-09 Jeff Law <law@redhat.com>
11649 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11650 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11651 now unused arguments. Callers updated.
11652 (eliminate_redundant_computations): Remove now unused arguments,
11654 (local_fold): Remove, no longer used.
11655 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11657 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11658 (simplify_cond): New function.
11659 (forward_propagate_into_cond): Call simplify_cond.
11661 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11663 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11664 (*vec_extractv2di_1_sse): New.
11666 2006-01-09 Ben Elliston <bje@au.ibm.com>
11668 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11670 2006-01-08 Richard Guenther <rguenther@suse.de>
11672 * tree-ssa-structalias.c (get_constraint_for): Remove
11673 anyoffset argument.
11674 (get_constraint_for_component_ref): Likewise.
11675 (do_deref): Likewise.
11676 (get_constraint_for): Likewise.
11677 (do_structure_copy): Likewise.
11678 (handle_ptr_arith): Likewise.
11679 (find_func_aliases): Likewise. Remove unused need_anyoffset
11682 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11683 Kaz Kojima <kkojima@gcc.gnu.org>
11685 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11686 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11687 (EXTRA_CONSTRAINT_C16): Remove.
11688 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11689 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11690 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11691 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11692 constants of SHmedia. Handle nested constant expressions of
11694 (andcosts): Fix the costs for SHmedia constants.
11695 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11696 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11697 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11698 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11699 (movv4hi_i, movv2si_i): Likewise.
11700 (movsi_const): Adjust the second operand of ior so to match with
11701 the Csu constraint.
11702 (movdi_const, movdi_const_32bit): Likewise.
11703 (movdi_const_16bit+1): Don't sign-extend LOW.
11704 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11706 (*double_shori): Fix the split condition. Use GEN_INT instead
11707 of get_int_mode calls. Mask lower 16-bit of the argument of
11709 (sym2GOTPLT): Remove.
11710 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11712 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11713 instead of EXTRA_CONSTRAINT_C16.
11715 2006-01-07 Ian Lance Taylor <ian@airs.com>
11716 David Edelsohn <edelsohn@gnu.org>
11718 PR rtl-optimization/25662
11719 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11720 for constant operands instead of simplify_gen_binary.
11721 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11722 after trying simplify_binary_operation
11724 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11726 * tree.c (iterative_hash_expr): Hash decls based on UID.
11728 2006-01-06 Eric Christopher <echristo@apple.com>
11730 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11731 (TARGET_UNWIND_EMIT): Fix spelling.
11732 * target.h (gcc_target): Add except_table_label.
11733 * except.c (output_function_exception_table): Use.
11734 * varasm.c (default_emit_except_table_label): New.
11735 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11737 (asm_out): Add here.
11738 * output.h (default_emit_except_table_label): Prototype.
11739 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11740 * config/darwin.c (darwin_emit_except_table_label): Define.
11741 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11743 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11745 PR tree-optimization/18527
11746 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11747 number_of_iterations_special, number_of_iterations_exit):
11748 Move base and step of an iv to a single structure. Add
11749 no_overflow flag, and use it in # of iterations analysis.
11750 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11751 folded_casts argument.
11752 (simple_iv): Pass base and step in a structure. Set no_overflow
11754 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11755 Evaluate expensiveness of computing # of iterations instead of
11756 the final expression.
11757 * tree-scalar-evolution.h (affine_iv): New structure.
11758 (simple_iv): Declaration changed.
11759 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11760 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11761 find_givs_in_stmt): Changed due to simple_iv change.
11763 2006-01-06 Jeff Law <law@redhat.com>
11766 * tree-cfg.c (bsi_replace): Rename final argument from
11767 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11768 change (stmt -> orig_stmt).
11769 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11770 (bsi_remove): Add new argument. Remove EH information
11772 (verify_eh_throw_table_statements): New function.
11773 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11775 * tree-optimize.c (execute_free_cfg_annotations): Verify
11776 the EH throw statement table after removing annotations.
11777 * except.h (verify_eh_throw_table_statements): Prototype.
11778 * tree-flow.h (bsi_remove): Update prototype.
11779 * tree-vrp.c (remove_range_assertions): Add new argument to
11781 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11782 * tree-complex.c (expand_complex_div_wide): Likewise.
11783 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11784 * tree-tailcall.c (eliminate_tailcall): Likewise.
11785 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11786 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11787 * tree-nrv.c (tree_nrv): Likewise.
11788 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11789 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11790 (combine_blocks): Likewise.
11791 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11792 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11793 (cleanup_control_flow): Likewise.
11794 (remove_forwarder_block): Likewise.
11795 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11796 * tree-sra.c (sra_replace): Likewise.
11797 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11798 (forward_propagate_single_use_vars): Likewise.
11799 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11800 * tree-inline.c (expand_call_inline): Likewise.
11801 * tree-vect-transform.c (vect_transform_loop): Likewise.
11802 * tree-outof-ssa.c (rewrite_trees): Likewise.
11803 * tree-cfg.c (make_goto_expr_edges): Likewise.
11804 (cleanup_dead_labels): Likewise.
11805 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11806 (bsi_move_before, bsi_move_after): Likewise.
11807 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11808 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11810 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11813 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11815 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11816 on non gimple variables. Also add checks at the top for decls and
11818 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11820 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11821 and IMAGPART_EXPR for creating MUST_DEFs.
11822 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11823 and NAME_MEMORY_TAG separately from the DECLs.
11825 2006-01-06 Richard Guenther <rguenther@suse.de>
11827 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11828 annotation, if necessary.
11829 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11830 redundant calls to update_stmt.
11831 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11834 2006-01-05 Richard Henderson <rth@redhat.com>
11836 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11838 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11840 * c-typeck.c: Update copyright date.
11842 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11844 * c-typeck.c (build_c_cast): Always warn when casting
11845 from a pointer to an integer of different size, even if
11846 the node was constant.
11848 2006-01-05 Richard Guenther <rguenther@suse.de>
11850 PR tree-optimization/22555
11851 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11852 if one structure field is an array.
11853 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11854 operands even if we found a subvar, but ignore VOPs in this
11856 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11858 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11860 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11862 PR middle-end/24998
11863 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11865 2006-01-05 Richard Guenther <rguenther@suse.de>
11866 Diego Novillo <dnovillo@redhat.com>
11868 * tree-pass.h (TODO_remove_unused_locals): Define.
11869 * gimple-low.c (expand_var_p, remove_useless_vars,
11870 pass_remove_useless_vars): Remove. Update all users.
11871 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11872 (remove_unused_locals): New function.
11873 * tree-flow.h (remove_unused_locals): Declare.
11874 * passes.c (execute_todo): Call remove_unused_locals if
11875 TODO_remove_unused_locals is set.
11876 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11877 * tree-ssa-dce.c (pass_dce): Likewise.
11878 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11880 2006-01-05 Richard Guenther <rguenther@suse.de>
11882 * tree-flow.h (struct fieldoff): Decompose field to
11883 type, size and decl.
11884 * tree-ssa-alias.c (create_sft): Take type as parameter.
11885 (create_overlap_variables_for): Store type, size and decl
11886 in the fieldoff structure.
11887 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11888 of struct fieldoff.
11889 (push_fields_onto_fieldstack): Likewise.
11890 (create_variable_info_for): Likewise. Use offset for the
11891 SFT name if the decl is not available.
11893 2006-01-04 Paul Brook <paul@codesourcery.com>
11895 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11897 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11899 * lambda-code.c (can_put_in_inner_loop): Relax
11901 (can_put_after_inner_loop): New function.
11902 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11903 (perfect_nestify): Change to make copies and modify uses.
11905 2006-01-04 Richard Henderson <rth@redhat.com>
11907 Merge from gomp branch:
11908 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11909 via integer constant.
11910 (pragma_lex): Remove.
11911 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11912 rather than parsing it.
11913 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11914 handle_pragma_extern_prefix): Add %< %> quotes.
11915 (registered_pragmas): New.
11916 (c_register_pragma_1): New.
11917 (c_register_pragma): Use it.
11918 (c_register_pragma_with_expansion): Likewise.
11919 (c_invoke_pragma_handler): New.
11920 (init_pragma): Use cpp_register_deferred_pragma directly for
11922 * c-pragma.h (enum pragma_kind): New.
11923 (pragma_handler): New.
11924 (c_invoke_pragma_handler): Declare.
11925 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11927 * c-common.h (c_common_pch_pragma): Update decl.
11928 * Makefile.in (c-parser.o): Update dependencies.
11929 (GTFILES): Add c-pragma.h.
11930 * c-parser.c (struct c_token): Add pragma_kind.
11931 (struct c_parser): Add in_pragma.
11932 (c_lex_one_token): Always initialize keyword and pragma_kind.
11933 Extract data for CPP_PRAGMA.
11934 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11935 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11936 Don't allow CPP_PRAGMA_EOL if in_pragma.
11937 (c_parser_consume_pragma): New.
11938 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11939 (c_parser_skip_to_end_of_parameter): Likewise.
11940 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11941 (c_parser_skip_to_pragma_eol): New.
11942 (c_parser_external_declaration): Handle CPP_PRAGMA.
11943 (c_parser_compound_statement_nostart): Likewise.
11944 (c_parser_statement_after_labels): Likewise.
11945 (c_parser_pragma): New.
11946 (pragma_lex): Likewise.
11947 (c_parser_pragma_pch_preprocess): New.
11948 (c_parser_new): Merge into ...
11949 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11951 2006-01-04 Jeff Law <law@redhat.com>
11954 * tree-cfg.c (bsi_replace): Remove the original statement
11955 from the EH throw statement table.
11957 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11959 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11960 make the prototype extern "C" and add throw ().
11963 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11964 and pos non-negative and pos + len <= 32.
11965 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11966 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11967 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11970 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11971 as well as sizes not multiple of component size.
11974 * function.c (instantiate_expr): New function.
11975 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11976 walk its DECL_VALUE_EXPR with instantiate_expr.
11978 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11979 DW_OP_deref{,_size} if address isn't going to be added.
11981 2006-01-04 Ben Elliston <bje@au.ibm.com>
11983 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11984 * config/fp-bit.c: Likewise.
11986 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11988 * dominance.c: Add comment about why we use DFS numbering
11991 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11992 Richard Henderson <rth@redhat.com>
11994 Merge from gomp-branch:
11995 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11996 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11998 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12000 PR rtl-optimization/25578
12001 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12002 pass a parameter to simplify_shift_const if changing ASHIFTRT
12005 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12007 * builtins.c (get_builtin_sync_mem): New function.
12008 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12009 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12010 Call get_builtin_sync_mem to generate mem rtx.
12012 2006-01-03 Richard Guenther <rguenther@suse.de>
12015 * stmt.c (add_case_node): Make sure to clear overflow flags
12018 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12020 Merge from gomp-branch.
12021 * config/sparc/sync.md: New file.
12022 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12023 UNSPECV_LDSTUB): New constants.
12024 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12025 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12026 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12029 2006-01-03 Roger Sayle <roger@eyesopen.com>
12031 * combine.c (reg_subword_p): New predicate to test whether the
12032 destination of a set refers to a subword/piece of a register.
12033 (try_combine): Generalize the code to merge the setting of a
12034 pseudo to a constant followed by a set of a subword of that
12035 register to a constant.
12037 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12039 * basic-block.h (control_flow_graph): Change the type of
12040 x_label_to_block_map to VEC(basic_block,gc) *.
12041 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12042 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12044 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12045 VEC(basic_block,heap) *.
12046 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12047 ssa_prop_fini): Adjust the uses of cfg_blocks.
12049 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12051 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12053 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12054 hashing trees instead of a pointer hash.
12055 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12056 compare for MEM_EXPR.
12058 PR rtl-optimization/25130
12059 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12060 when comparing MEMs for GCSE
12062 2006-01-03 Ben Elliston <bje@au.ibm.com>
12064 * targhooks.h (default_decimal_float_supported_p): Declare.
12065 * targhooks.c (default_decimal_float_supported_p): Define.
12066 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12067 `default_decimal_float_supported_p'.
12068 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12070 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12072 * combine.c (apply_distributive_law <SUBREG>): Check
12073 TRULY_NOOP_TRUNCATION.
12075 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12077 * dwarf2out.c (have_switched_text_section): Delete.
12078 (have_multiple_function_sections): New.
12079 (have_location_lists): Make 'bool'.
12080 (add_AT_loc_list): Use 'true' not '1'.
12081 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12082 (output_loc_list): Use have_multiple_function_sections.
12083 (output_ranges): Likewise.
12084 (dwarf2out_begin_function): Set have_multiple_function_sections if
12086 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12087 Check function_section rather than DECL_SECTION_NAME.
12088 (dwarf2out_finish): Use have_multiple_function_sections.
12089 Don't clear have_location_lists.
12091 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12092 Jan Hubicka <jh@suse.cz>
12094 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12095 case of conditional jump jumping to the next instruction.
12096 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12097 cases of conditional jump jumping to the next instruction.
12099 2006-01-02 Jan Hubicka <jh@suse.cz>
12101 * i386.c (*_cost): Add COSTS_N_INSNS.
12102 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12104 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12107 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12109 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12111 * config/arm/arm.c (all_fpus): Fix comment typo.
12112 * config/darwin.c: Likewise.
12113 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12114 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12115 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12117 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12119 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12120 (rs6000_split_compare_and_swapqhi): New.
12121 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12122 (sync_compare_and_swapqhi_internal): New.
12123 * config/rs6000/rs6000-protos.h: Declare.
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